prebuilt files for v0.8.0

1 files changed, 29455 insertions, 0 deletions

diff --git a/v0.8.0/taler-wallet-android.js b/v0.8.0/taler-wallet-android.js
new file mode 100644
index 000000000..47c249f5c
--- /dev/null
+++ b/v0.8.0/taler-wallet-android.js
@@ -0,0 +1,29455 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+var http = require('http');
+var https = require('https');
+var url = require('url');
+var require$$0 = require('stream');
+var assert = require('assert');
+var tty = require('tty');
+var util = require('util');
+var os = require('os');
+var zlib = require('zlib');
+var fs = require('fs');
+
+function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
+
+var http__default = /*#__PURE__*/_interopDefaultLegacy(http);
+var https__default = /*#__PURE__*/_interopDefaultLegacy(https);
+var url__default = /*#__PURE__*/_interopDefaultLegacy(url);
+var require$$0__default = /*#__PURE__*/_interopDefaultLegacy(require$$0);
+var assert__default = /*#__PURE__*/_interopDefaultLegacy(assert);
+var tty__default = /*#__PURE__*/_interopDefaultLegacy(tty);
+var util__default = /*#__PURE__*/_interopDefaultLegacy(util);
+var os__default = /*#__PURE__*/_interopDefaultLegacy(os);
+var zlib__default = /*#__PURE__*/_interopDefaultLegacy(zlib);
+var fs__default = /*#__PURE__*/_interopDefaultLegacy(fs);
+
+/*! *****************************************************************************

+Copyright (c) Microsoft Corporation.

+

+Permission to use, copy, modify, and/or distribute this software for any

+purpose with or without fee is hereby granted.

+

+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH

+REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY

+AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,

+INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM

+LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR

+OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR

+PERFORMANCE OF THIS SOFTWARE.

+***************************************************************************** */

+

+function __awaiter(thisArg, _arguments, P, generator) {

+    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }

+    return new (P || (P = Promise))(function (resolve, reject) {

+        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }

+        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }

+        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }

+        step((generator = generator.apply(thisArg, _arguments || [])).next());

+    });

+}
+
+/*
+ This file is part of GNU Taler
+ (C) 2018-2019 GNUnet e.V.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+/**
+ * Type-safe codecs for converting from/to JSON.
+ */
+/* eslint-disable @typescript-eslint/ban-types */
+/**
+ * Error thrown when decoding fails.
+ */
+class DecodingError extends Error {
+    constructor(message) {
+        super(message);
+        Object.setPrototypeOf(this, DecodingError.prototype);
+        this.name = "DecodingError";
+    }
+}
+function renderContext(c) {
+    const p = c === null || c === void 0 ? void 0 : c.path;
+    if (p) {
+        return p.join(".");
+    }
+    else {
+        return "(unknown)";
+    }
+}
+function joinContext(c, part) {
+    var _a;
+    const path = (_a = c === null || c === void 0 ? void 0 : c.path) !== null && _a !== void 0 ? _a : [];
+    return {
+        path: path.concat([part]),
+    };
+}
+class ObjectCodecBuilder {
+    constructor() {
+        this.propList = [];
+    }
+    /**
+     * Define a property for the object.
+     */
+    property(x, codec) {
+        if (!codec) {
+            throw Error("inner codec must be defined");
+        }
+        this.propList.push({ name: x, codec: codec });
+        return this;
+    }
+    /**
+     * Return the built codec.
+     *
+     * @param objectDisplayName name of the object that this codec operates on,
+     *   used in error messages.
+     */
+    build(objectDisplayName) {
+        const propList = this.propList;
+        return {
+            decode(x, c) {
+                if (!c) {
+                    c = {
+                        path: [`(${objectDisplayName})`],
+                    };
+                }
+                if (typeof x !== "object") {
+                    throw new DecodingError(`expected object for ${objectDisplayName} at ${renderContext(c)} but got ${typeof x}`);
+                }
+                const obj = {};
+                for (const prop of propList) {
+                    const propRawVal = x[prop.name];
+                    const propVal = prop.codec.decode(propRawVal, joinContext(c, prop.name));
+                    obj[prop.name] = propVal;
+                }
+                return obj;
+            },
+        };
+    }
+}
+class UnionCodecBuilder {
+    constructor(discriminator, baseCodec) {
+        this.discriminator = discriminator;
+        this.baseCodec = baseCodec;
+        this.alternatives = new Map();
+    }
+    /**
+     * Define a property for the object.
+     */
+    alternative(tagValue, codec) {
+        if (!codec) {
+            throw Error("inner codec must be defined");
+        }
+        this.alternatives.set(tagValue, { codec, tagValue });
+        return this;
+    }
+    /**
+     * Return the built codec.
+     *
+     * @param objectDisplayName name of the object that this codec operates on,
+     *   used in error messages.
+     */
+    build(objectDisplayName) {
+        const alternatives = this.alternatives;
+        const discriminator = this.discriminator;
+        const baseCodec = this.baseCodec;
+        return {
+            decode(x, c) {
+                if (!c) {
+                    c = {
+                        path: [`(${objectDisplayName})`],
+                    };
+                }
+                const d = x[discriminator];
+                if (d === undefined) {
+                    throw new DecodingError(`expected tag for ${objectDisplayName} at ${renderContext(c)}.${discriminator}`);
+                }
+                const alt = alternatives.get(d);
+                if (!alt) {
+                    throw new DecodingError(`unknown tag for ${objectDisplayName} ${d} at ${renderContext(c)}.${discriminator}`);
+                }
+                const altDecoded = alt.codec.decode(x);
+                if (baseCodec) {
+                    const baseDecoded = baseCodec.decode(x, c);
+                    return Object.assign(Object.assign({}, baseDecoded), altDecoded);
+                }
+                else {
+                    return altDecoded;
+                }
+            },
+        };
+    }
+}
+class UnionCodecPreBuilder {
+    discriminateOn(discriminator, baseCodec) {
+        return new UnionCodecBuilder(discriminator, baseCodec);
+    }
+}
+/**
+ * Return a builder for a codec that decodes an object with properties.
+ */
+function buildCodecForObject() {
+    return new ObjectCodecBuilder();
+}
+function buildCodecForUnion() {
+    return new UnionCodecPreBuilder();
+}
+/**
+ * Return a codec for a mapping from a string to values described by the inner codec.
+ */
+function codecForMap(innerCodec) {
+    if (!innerCodec) {
+        throw Error("inner codec must be defined");
+    }
+    return {
+        decode(x, c) {
+            const map = {};
+            if (typeof x !== "object") {
+                throw new DecodingError(`expected object at ${renderContext(c)}`);
+            }
+            for (const i in x) {
+                map[i] = innerCodec.decode(x[i], joinContext(c, `[${i}]`));
+            }
+            return map;
+        },
+    };
+}
+/**
+ * Return a codec for a list, containing values described by the inner codec.
+ */
+function codecForList(innerCodec) {
+    if (!innerCodec) {
+        throw Error("inner codec must be defined");
+    }
+    return {
+        decode(x, c) {
+            const arr = [];
+            if (!Array.isArray(x)) {
+                throw new DecodingError(`expected array at ${renderContext(c)}`);
+            }
+            for (const i in x) {
+                arr.push(innerCodec.decode(x[i], joinContext(c, `[${i}]`)));
+            }
+            return arr;
+        },
+    };
+}
+/**
+ * Return a codec for a value that must be a number.
+ */
+function codecForNumber() {
+    return {
+        decode(x, c) {
+            if (typeof x === "number") {
+                return x;
+            }
+            throw new DecodingError(`expected number at ${renderContext(c)} but got ${typeof x}`);
+        },
+    };
+}
+/**
+ * Return a codec for a value that must be a number.
+ */
+function codecForBoolean() {
+    return {
+        decode(x, c) {
+            if (typeof x === "boolean") {
+                return x;
+            }
+            throw new DecodingError(`expected boolean at ${renderContext(c)} but got ${typeof x}`);
+        },
+    };
+}
+/**
+ * Return a codec for a value that must be a string.
+ */
+function codecForString() {
+    return {
+        decode(x, c) {
+            if (typeof x === "string") {
+                return x;
+            }
+            throw new DecodingError(`expected string at ${renderContext(c)} but got ${typeof x}`);
+        },
+    };
+}
+/**
+ * Codec that allows any value.
+ */
+function codecForAny() {
+    return {
+        decode(x, c) {
+            return x;
+        },
+    };
+}
+/**
+ * Return a codec for a value that must be a string.
+ */
+function codecForConstString(s) {
+    return {
+        decode(x, c) {
+            if (x === s) {
+                return x;
+            }
+            if (typeof x !== "string") {
+                throw new DecodingError(`expected string constant "${s}" at ${renderContext(c)} but got ${typeof x}`);
+            }
+            throw new DecodingError(`expected string constant "${s}" at ${renderContext(c)} but got string value "${x}"`);
+        },
+    };
+}
+/**
+ * Return a codec for a value that must be a constant number.
+ */
+function codecForConstNumber(n) {
+    return {
+        decode(x, c) {
+            if (x === n) {
+                return x;
+            }
+            throw new DecodingError(`expected number constant "${n}" at ${renderContext(c)}  but got ${typeof x}`);
+        },
+    };
+}
+function codecOptional(innerCodec) {
+    return {
+        decode(x, c) {
+            if (x === undefined || x === null) {
+                return undefined;
+            }
+            return innerCodec.decode(x, c);
+        },
+    };
+}
+
+/*
+ This file is part of GNU Taler
+ (C) 2019 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+/**
+ * Number of fractional units that one value unit represents.
+ */
+const fractionalBase = 1e8;
+/**
+ * How many digits behind the comma are required to represent the
+ * fractional value in human readable decimal format?  Must match
+ * lg(fractionalBase)
+ */
+const fractionalLength = 8;
+/**
+ * Maximum allowed value field of an amount.
+ */
+const maxAmountValue = Math.pow(2, 52);
+const codecForAmountString = () => codecForString();
+/**
+ * Get an amount that represents zero units of a currency.
+ */
+function getZero(currency) {
+    return {
+        currency,
+        fraction: 0,
+        value: 0,
+    };
+}
+function jsonifyAmount(amt) {
+    if (typeof amt === "string") {
+        return parseOrThrow(amt);
+    }
+    return amt;
+}
+function sum(amounts) {
+    if (amounts.length <= 0) {
+        throw Error("can't sum zero amounts");
+    }
+    const jsonAmounts = amounts.map((x) => jsonifyAmount(x));
+    return add(jsonAmounts[0], ...jsonAmounts.slice(1));
+}
+/**
+ * Add two amounts.  Return the result and whether
+ * the addition overflowed.  The overflow is always handled
+ * by saturating and never by wrapping.
+ *
+ * Throws when currencies don't match.
+ */
+function add(first, ...rest) {
+    const currency = first.currency;
+    let value = first.value + Math.floor(first.fraction / fractionalBase);
+    if (value > maxAmountValue) {
+        return {
+            amount: { currency, value: maxAmountValue, fraction: fractionalBase - 1 },
+            saturated: true,
+        };
+    }
+    let fraction = first.fraction % fractionalBase;
+    for (const x of rest) {
+        if (x.currency !== currency) {
+            throw Error(`Mismatched currency: ${x.currency} and ${currency}`);
+        }
+        value =
+            value + x.value + Math.floor((fraction + x.fraction) / fractionalBase);
+        fraction = Math.floor((fraction + x.fraction) % fractionalBase);
+        if (value > maxAmountValue) {
+            return {
+                amount: {
+                    currency,
+                    value: maxAmountValue,
+                    fraction: fractionalBase - 1,
+                },
+                saturated: true,
+            };
+        }
+    }
+    return { amount: { currency, value, fraction }, saturated: false };
+}
+/**
+ * Subtract two amounts.  Return the result and whether
+ * the subtraction overflowed.  The overflow is always handled
+ * by saturating and never by wrapping.
+ *
+ * Throws when currencies don't match.
+ */
+function sub(a, ...rest) {
+    const currency = a.currency;
+    let value = a.value;
+    let fraction = a.fraction;
+    for (const b of rest) {
+        if (b.currency !== currency) {
+            throw Error(`Mismatched currency: ${b.currency} and ${currency}`);
+        }
+        if (fraction < b.fraction) {
+            if (value < 1) {
+                return { amount: { currency, value: 0, fraction: 0 }, saturated: true };
+            }
+            value--;
+            fraction += fractionalBase;
+        }
+        console.assert(fraction >= b.fraction);
+        fraction -= b.fraction;
+        if (value < b.value) {
+            return { amount: { currency, value: 0, fraction: 0 }, saturated: true };
+        }
+        value -= b.value;
+    }
+    return { amount: { currency, value, fraction }, saturated: false };
+}
+/**
+ * Compare two amounts.  Returns 0 when equal, -1 when a < b
+ * and +1 when a > b.  Throws when currencies don't match.
+ */
+function cmp(a, b) {
+    a = jsonifyAmount(a);
+    b = jsonifyAmount(b);
+    if (a.currency !== b.currency) {
+        throw Error(`Mismatched currency: ${a.currency} and ${b.currency}`);
+    }
+    const av = a.value + Math.floor(a.fraction / fractionalBase);
+    const af = a.fraction % fractionalBase;
+    const bv = b.value + Math.floor(b.fraction / fractionalBase);
+    const bf = b.fraction % fractionalBase;
+    switch (true) {
+        case av < bv:
+            return -1;
+        case av > bv:
+            return 1;
+        case af < bf:
+            return -1;
+        case af > bf:
+            return 1;
+        case af === bf:
+            return 0;
+        default:
+            throw Error("assertion failed");
+    }
+}
+/**
+ * Create a copy of an amount.
+ */
+function copy(a) {
+    return {
+        currency: a.currency,
+        fraction: a.fraction,
+        value: a.value,
+    };
+}
+/**
+ * Divide an amount.  Throws on division by zero.
+ */
+function divide(a, n) {
+    if (n === 0) {
+        throw Error(`Division by 0`);
+    }
+    if (n === 1) {
+        return { value: a.value, fraction: a.fraction, currency: a.currency };
+    }
+    const r = a.value % n;
+    return {
+        currency: a.currency,
+        fraction: Math.floor((r * fractionalBase + a.fraction) / n),
+        value: Math.floor(a.value / n),
+    };
+}
+function isZero(a) {
+    a = jsonifyAmount(a);
+    return a.value === 0 && a.fraction === 0;
+}
+/**
+ * Parse an amount like 'EUR:20.5' for 20 Euros and 50 ct.
+ */
+function parse(s) {
+    const res = s.match(/^([a-zA-Z0-9_*-]+):([0-9]+)([.][0-9]+)?$/);
+    if (!res) {
+        return undefined;
+    }
+    const tail = res[3] || ".0";
+    if (tail.length > fractionalLength + 1) {
+        return undefined;
+    }
+    const value = Number.parseInt(res[2]);
+    if (value > maxAmountValue) {
+        return undefined;
+    }
+    return {
+        currency: res[1],
+        fraction: Math.round(fractionalBase * Number.parseFloat(tail)),
+        value,
+    };
+}
+/**
+ * Parse amount in standard string form (like 'EUR:20.5'),
+ * throw if the input is not a valid amount.
+ */
+function parseOrThrow(s) {
+    const res = parse(s);
+    if (!res) {
+        throw Error(`Can't parse amount: "${s}"`);
+    }
+    return res;
+}
+/**
+ * Convert a float to a Taler amount.
+ * Loss of precision possible.
+ */
+function fromFloat(floatVal, currency) {
+    return {
+        currency,
+        fraction: Math.floor((floatVal - Math.floor(floatVal)) * fractionalBase),
+        value: Math.floor(floatVal),
+    };
+}
+/**
+ * Convert to standard human-readable string representation that's
+ * also used in JSON formats.
+ */
+function stringify(a) {
+    a = jsonifyAmount(a);
+    const av = a.value + Math.floor(a.fraction / fractionalBase);
+    const af = a.fraction % fractionalBase;
+    let s = av.toString();
+    if (af) {
+        s = s + ".";
+        let n = af;
+        for (let i = 0; i < fractionalLength; i++) {
+            if (!n) {
+                break;
+            }
+            s = s + Math.floor((n / fractionalBase) * 10).toString();
+            n = (n * 10) % fractionalBase;
+        }
+    }
+    return `${a.currency}:${s}`;
+}
+/**
+ * Check if the argument is a valid amount in string form.
+ */
+function check(a) {
+    if (typeof a !== "string") {
+        return false;
+    }
+    try {
+        const parsedAmount = parse(a);
+        return !!parsedAmount;
+    }
+    catch (_a) {
+        return false;
+    }
+}
+function mult(a, n) {
+    if (!Number.isInteger(n)) {
+        throw Error("amount can only be multipied by an integer");
+    }
+    if (n < 0) {
+        throw Error("amount can only be multiplied by a positive integer");
+    }
+    if (n == 0) {
+        return { amount: getZero(a.currency), saturated: false };
+    }
+    let x = a;
+    let acc = getZero(a.currency);
+    while (n > 1) {
+        if (n % 2 == 0) {
+            n = n / 2;
+        }
+        else {
+            n = (n - 1) / 2;
+            const r2 = add(acc, x);
+            if (r2.saturated) {
+                return r2;
+            }
+            acc = r2.amount;
+        }
+        const r2 = add(x, x);
+        if (r2.saturated) {
+            return r2;
+        }
+        x = r2.amount;
+    }
+    return add(acc, x);
+}
+// Export all amount-related functions here for better IDE experience.
+const Amounts = {
+    stringify: stringify,
+    parse: parse,
+    parseOrThrow: parseOrThrow,
+    cmp: cmp,
+    add: add,
+    sum: sum,
+    sub: sub,
+    mult: mult,
+    check: check,
+    getZero: getZero,
+    isZero: isZero,
+    maxAmountValue: maxAmountValue,
+    fromFloat: fromFloat,
+    copy: copy,
+    fractionalBase: fractionalBase,
+    divide: divide,
+};
+
+/*
+ This file is part of GNU Taler
+ (C) 2019 GNUnet e.V.
+
+ TALER is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+/**
+ * Get an unresolved promise together with its extracted resolve / reject
+ * function.
+ */
+function openPromise() {
+    let resolve = null;
+    let reject = null;
+    const promise = new Promise((res, rej) => {
+        resolve = res;
+        reject = rej;
+    });
+    if (!(resolve && reject)) {
+        // Never happens, unless JS implementation is broken
+        throw Error();
+    }
+    return { resolve, reject, promise };
+}
+class AsyncCondition {
+    constructor() {
+        const op = openPromise();
+        this._waitPromise = op.promise;
+        this._resolveWaitPromise = op.resolve;
+    }
+    wait() {
+        return this._waitPromise;
+    }
+    trigger() {
+        this._resolveWaitPromise();
+        const op = openPromise();
+        this._waitPromise = op.promise;
+        this._resolveWaitPromise = op.resolve;
+    }
+}
+
+/*
+ This file is part of TALER
+ (C) 2019 GNUnet e.V.
+
+ TALER is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+/**
+ * Check if we are running under nodejs.
+ */
+const isNode = typeof process !== "undefined" && process.release.name === "node";
+function writeNodeLog(message, tag, level, args) {
+    try {
+        process.stderr.write(`${new Date().toISOString()} ${tag} ${level} `);
+        process.stderr.write(`${message}`);
+        if (args.length != 0) {
+            process.stderr.write(" ");
+            process.stderr.write(JSON.stringify(args, undefined, 2));
+        }
+        process.stderr.write("\n");
+    }
+    catch (e) {
+        // This can happen when we're trying to log something that doesn't want to be
+        // converted to a string.
+        process.stderr.write(`${new Date().toISOString()} (logger) FATAL `);
+        if (e instanceof Error) {
+            process.stderr.write("failed to write log: ");
+            process.stderr.write(e.message);
+        }
+        process.stderr.write("\n");
+    }
+}
+/**
+ * Logger that writes to stderr when running under node,
+ * and uses the corresponding console.* method to log in the browser.
+ */
+class Logger {
+    constructor(tag) {
+        this.tag = tag;
+    }
+    info(message, ...args) {
+        if (isNode) {
+            writeNodeLog(message, this.tag, "INFO", args);
+        }
+        else {
+            console.info(`${new Date().toISOString()} ${this.tag} INFO ` + message, ...args);
+        }
+    }
+    warn(message, ...args) {
+        if (isNode) {
+            writeNodeLog(message, this.tag, "WARN", args);
+        }
+        else {
+            console.warn(`${new Date().toISOString()} ${this.tag} INFO ` + message, ...args);
+        }
+    }
+    error(message, ...args) {
+        if (isNode) {
+            writeNodeLog(message, this.tag, "ERROR", args);
+        }
+        else {
+            console.info(`${new Date().toISOString()} ${this.tag} ERROR ` + message, ...args);
+        }
+    }
+    trace(message, ...args) {
+        if (isNode) {
+            writeNodeLog(message, this.tag, "TRACE", args);
+        }
+        else {
+            console.info(`${new Date().toISOString()} ${this.tag} TRACE ` + message, ...args);
+        }
+    }
+}
+
+/*
+ This file is part of TALER
+ (C) 2016 GNUnet e.V.
+
+ TALER is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+const logger = new Logger("query.ts");
+/**
+ * Exception that should be thrown by client code to abort a transaction.
+ */
+const TransactionAbort = Symbol("transaction_abort");
+/**
+ * Definition of an object store.
+ */
+class Store {
+    constructor(name, storeParams) {
+        this.name = name;
+        this.storeParams = storeParams;
+    }
+}
+function requestToPromise(req) {
+    const stack = Error("Failed request was started here.");
+    return new Promise((resolve, reject) => {
+        req.onsuccess = () => {
+            resolve(req.result);
+        };
+        req.onerror = () => {
+            console.error("error in DB request", req.error);
+            reject(req.error);
+            console.error("Request failed:", stack);
+        };
+    });
+}
+function transactionToPromise(tx) {
+    const stack = Error("Failed transaction was started here.");
+    return new Promise((resolve, reject) => {
+        tx.onabort = () => {
+            reject(TransactionAbort);
+        };
+        tx.oncomplete = () => {
+            resolve();
+        };
+        tx.onerror = () => {
+            console.error("Transaction failed:", stack);
+            reject(tx.error);
+        };
+    });
+}
+function applyMutation(req, f) {
+    return new Promise((resolve, reject) => {
+        req.onsuccess = () => {
+            const cursor = req.result;
+            if (cursor) {
+                const val = cursor.value;
+                const modVal = f(val);
+                if (modVal !== undefined && modVal !== null) {
+                    const req2 = cursor.update(modVal);
+                    req2.onerror = () => {
+                        reject(req2.error);
+                    };
+                    req2.onsuccess = () => {
+                        cursor.continue();
+                    };
+                }
+                else {
+                    cursor.continue();
+                }
+            }
+            else {
+                resolve();
+            }
+        };
+        req.onerror = () => {
+            reject(req.error);
+        };
+    });
+}
+class ResultStream {
+    constructor(req) {
+        this.req = req;
+        this.gotCursorEnd = false;
+        this.awaitingResult = false;
+        this.awaitingResult = true;
+        let p = openPromise();
+        this.currentPromise = p.promise;
+        req.onsuccess = () => {
+            if (!this.awaitingResult) {
+                throw Error("BUG: invariant violated");
+            }
+            const cursor = req.result;
+            if (cursor) {
+                this.awaitingResult = false;
+                p.resolve();
+                p = openPromise();
+                this.currentPromise = p.promise;
+            }
+            else {
+                this.gotCursorEnd = true;
+                p.resolve();
+            }
+        };
+        req.onerror = () => {
+            p.reject(req.error);
+        };
+    }
+    toArray() {
+        return __awaiter(this, void 0, void 0, function* () {
+            const arr = [];
+            while (true) {
+                const x = yield this.next();
+                if (x.hasValue) {
+                    arr.push(x.value);
+                }
+                else {
+                    break;
+                }
+            }
+            return arr;
+        });
+    }
+    map(f) {
+        return __awaiter(this, void 0, void 0, function* () {
+            const arr = [];
+            while (true) {
+                const x = yield this.next();
+                if (x.hasValue) {
+                    arr.push(f(x.value));
+                }
+                else {
+                    break;
+                }
+            }
+            return arr;
+        });
+    }
+    forEachAsync(f) {
+        return __awaiter(this, void 0, void 0, function* () {
+            while (true) {
+                const x = yield this.next();
+                if (x.hasValue) {
+                    yield f(x.value);
+                }
+                else {
+                    break;
+                }
+            }
+        });
+    }
+    forEach(f) {
+        return __awaiter(this, void 0, void 0, function* () {
+            while (true) {
+                const x = yield this.next();
+                if (x.hasValue) {
+                    f(x.value);
+                }
+                else {
+                    break;
+                }
+            }
+        });
+    }
+    filter(f) {
+        return __awaiter(this, void 0, void 0, function* () {
+            const arr = [];
+            while (true) {
+                const x = yield this.next();
+                if (x.hasValue) {
+                    if (f(x.value)) {
+                        arr.push(x.value);
+                    }
+                }
+                else {
+                    break;
+                }
+            }
+            return arr;
+        });
+    }
+    next() {
+        return __awaiter(this, void 0, void 0, function* () {
+            if (this.gotCursorEnd) {
+                return { hasValue: false };
+            }
+            if (!this.awaitingResult) {
+                const cursor = this.req.result;
+                if (!cursor) {
+                    throw Error("assertion failed");
+                }
+                this.awaitingResult = true;
+                cursor.continue();
+            }
+            yield this.currentPromise;
+            if (this.gotCursorEnd) {
+                return { hasValue: false };
+            }
+            const cursor = this.req.result;
+            if (!cursor) {
+                throw Error("assertion failed");
+            }
+            return { hasValue: true, value: cursor.value };
+        });
+    }
+}
+class TransactionHandle {
+    constructor(tx) {
+        this.tx = tx;
+    }
+    put(store, value, key) {
+        const req = this.tx.objectStore(store.name).put(value, key);
+        return requestToPromise(req);
+    }
+    add(store, value, key) {
+        const req = this.tx.objectStore(store.name).add(value, key);
+        return requestToPromise(req);
+    }
+    get(store, key) {
+        const req = this.tx.objectStore(store.name).get(key);
+        return requestToPromise(req);
+    }
+    getIndexed(index, key) {
+        const req = this.tx
+            .objectStore(index.storeName)
+            .index(index.indexName)
+            .get(key);
+        return requestToPromise(req);
+    }
+    iter(store, key) {
+        const req = this.tx.objectStore(store.name).openCursor(key);
+        return new ResultStream(req);
+    }
+    iterIndexed(index, key) {
+        const req = this.tx
+            .objectStore(index.storeName)
+            .index(index.indexName)
+            .openCursor(key);
+        return new ResultStream(req);
+    }
+    delete(store, key) {
+        const req = this.tx.objectStore(store.name).delete(key);
+        return requestToPromise(req);
+    }
+    mutate(store, key, f) {
+        const req = this.tx.objectStore(store.name).openCursor(key);
+        return applyMutation(req, f);
+    }
+}
+function runWithTransaction(db, stores, f, mode) {
+    const stack = Error("Failed transaction was started here.");
+    return new Promise((resolve, reject) => {
+        const storeName = stores.map((x) => x.name);
+        const tx = db.transaction(storeName, mode);
+        let funResult = undefined;
+        let gotFunResult = false;
+        tx.oncomplete = () => {
+            // This is a fatal error: The transaction completed *before*
+            // the transaction function returned.  Likely, the transaction
+            // function waited on a promise that is *not* resolved in the
+            // microtask queue, thus triggering the auto-commit behavior.
+            // Unfortunately, the auto-commit behavior of IDB can't be switched
+            // of.  There are some proposals to add this functionality in the future.
+            if (!gotFunResult) {
+                const msg = "BUG: transaction closed before transaction function returned";
+                console.error(msg);
+                reject(Error(msg));
+            }
+            resolve(funResult);
+        };
+        tx.onerror = () => {
+            logger.error("error in transaction");
+            logger.error(`${stack}`);
+        };
+        tx.onabort = () => {
+            if (tx.error) {
+                logger.error("Transaction aborted with error:", tx.error);
+            }
+            else {
+                logger.error("Trasaction aborted (no error)");
+            }
+            reject(TransactionAbort);
+        };
+        const th = new TransactionHandle(tx);
+        const resP = Promise.resolve().then(() => f(th));
+        resP
+            .then((result) => {
+            gotFunResult = true;
+            funResult = result;
+        })
+            .catch((e) => {
+            if (e == TransactionAbort) {
+                logger.trace("aborting transaction");
+            }
+            else {
+                console.error("Transaction failed:", e);
+                console.error(stack);
+                tx.abort();
+            }
+        })
+            .catch((e) => {
+            console.error("fatal: aborting transaction failed", e);
+        });
+    });
+}
+/**
+ * Definition of an index.
+ */
+class Index {
+    constructor(s, indexName, keyPath, options) {
+        this.indexName = indexName;
+        this.keyPath = keyPath;
+        const defaultOptions = {
+            multiEntry: false,
+        };
+        this.options = Object.assign(Object.assign({}, defaultOptions), (options || {}));
+        this.storeName = s.name;
+    }
+}
+/**
+ * Return a promise that resolves to the opened IndexedDB database.
+ */
+function openDatabase(idbFactory, databaseName, databaseVersion, onVersionChange, onUpgradeNeeded) {
+    return new Promise((resolve, reject) => {
+        const req = idbFactory.open(databaseName, databaseVersion);
+        req.onerror = (e) => {
+            logger.error("database error", e);
+            reject(new Error("database error"));
+        };
+        req.onsuccess = (e) => {
+            req.result.onversionchange = (evt) => {
+                logger.info(`handling live db version change from ${evt.oldVersion} to ${evt.newVersion}`);
+                req.result.close();
+                onVersionChange();
+            };
+            resolve(req.result);
+        };
+        req.onupgradeneeded = (e) => {
+            const db = req.result;
+            const newVersion = e.newVersion;
+            if (!newVersion) {
+                throw Error("upgrade needed, but new version unknown");
+            }
+            const transaction = req.transaction;
+            if (!transaction) {
+                throw Error("no transaction handle available in upgrade handler");
+            }
+            onUpgradeNeeded(db, e.oldVersion, newVersion, transaction);
+        };
+    });
+}
+class Database {
+    constructor(db, stores) {
+        this.db = db;
+    }
+    static deleteDatabase(idbFactory, dbName) {
+        idbFactory.deleteDatabase(dbName);
+    }
+    exportDatabase() {
+        return __awaiter(this, void 0, void 0, function* () {
+            const db = this.db;
+            const dump = {
+                name: db.name,
+                stores: {},
+                version: db.version,
+            };
+            return new Promise((resolve, reject) => {
+                const tx = db.transaction(Array.from(db.objectStoreNames));
+                tx.addEventListener("complete", () => {
+                    resolve(dump);
+                });
+                // tslint:disable-next-line:prefer-for-of
+                for (let i = 0; i < db.objectStoreNames.length; i++) {
+                    const name = db.objectStoreNames[i];
+                    const storeDump = {};
+                    dump.stores[name] = storeDump;
+                    tx.objectStore(name)
+                        .openCursor()
+                        .addEventListener("success", (e) => {
+                        const cursor = e.target.result;
+                        if (cursor) {
+                            storeDump[cursor.key] = cursor.value;
+                            cursor.continue();
+                        }
+                    });
+                }
+            });
+        });
+    }
+    importDatabase(dump) {
+        const db = this.db;
+        logger.info("importing db", dump);
+        return new Promise((resolve, reject) => {
+            const tx = db.transaction(Array.from(db.objectStoreNames), "readwrite");
+            if (dump.stores) {
+                for (const storeName in dump.stores) {
+                    const objects = [];
+                    const dumpStore = dump.stores[storeName];
+                    for (const key in dumpStore) {
+                        objects.push(dumpStore[key]);
+                    }
+                    logger.info(`importing ${objects.length} records into ${storeName}`);
+                    const store = tx.objectStore(storeName);
+                    for (const obj of objects) {
+                        store.put(obj);
+                    }
+                }
+            }
+            tx.addEventListener("complete", () => {
+                resolve();
+            });
+        });
+    }
+    get(store, key) {
+        return __awaiter(this, void 0, void 0, function* () {
+            const tx = this.db.transaction([store.name], "readonly");
+            const req = tx.objectStore(store.name).get(key);
+            const v = yield requestToPromise(req);
+            yield transactionToPromise(tx);
+            return v;
+        });
+    }
+    getIndexed(index, key) {
+        return __awaiter(this, void 0, void 0, function* () {
+            const tx = this.db.transaction([index.storeName], "readonly");
+            const req = tx.objectStore(index.storeName).index(index.indexName).get(key);
+            const v = yield requestToPromise(req);
+            yield transactionToPromise(tx);
+            return v;
+        });
+    }
+    put(store, value, key) {
+        return __awaiter(this, void 0, void 0, function* () {
+            const tx = this.db.transaction([store.name], "readwrite");
+            const req = tx.objectStore(store.name).put(value, key);
+            const v = yield requestToPromise(req);
+            yield transactionToPromise(tx);
+            return v;
+        });
+    }
+    mutate(store, key, f) {
+        return __awaiter(this, void 0, void 0, function* () {
+            const tx = this.db.transaction([store.name], "readwrite");
+            const req = tx.objectStore(store.name).openCursor(key);
+            yield applyMutation(req, f);
+            yield transactionToPromise(tx);
+        });
+    }
+    iter(store) {
+        const tx = this.db.transaction([store.name], "readonly");
+        const req = tx.objectStore(store.name).openCursor();
+        return new ResultStream(req);
+    }
+    iterIndex(index, query) {
+        const tx = this.db.transaction([index.storeName], "readonly");
+        const req = tx
+            .objectStore(index.storeName)
+            .index(index.indexName)
+            .openCursor(query);
+        return new ResultStream(req);
+    }
+    runWithReadTransaction(stores, f) {
+        return __awaiter(this, void 0, void 0, function* () {
+            return runWithTransaction(this.db, stores, f, "readonly");
+        });
+    }
+    runWithWriteTransaction(stores, f) {
+        return __awaiter(this, void 0, void 0, function* () {
+            return runWithTransaction(this.db, stores, f, "readwrite");
+        });
+    }
+}
+
+/*
+ This file is part of GNU Taler
+ (C) 2018-2020 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+var ReserveRecordStatus;
+(function (ReserveRecordStatus) {
+    /**
+     * Reserve must be registered with the bank.
+     */
+    ReserveRecordStatus["REGISTERING_BANK"] = "registering-bank";
+    /**
+     * We've registered reserve's information with the bank
+     * and are now waiting for the user to confirm the withdraw
+     * with the bank (typically 2nd factor auth).
+     */
+    ReserveRecordStatus["WAIT_CONFIRM_BANK"] = "wait-confirm-bank";
+    /**
+     * Querying reserve status with the exchange.
+     */
+    ReserveRecordStatus["QUERYING_STATUS"] = "querying-status";
+    /**
+     * The corresponding withdraw record has been created.
+     * No further processing is done, unless explicitly requested
+     * by the user.
+     */
+    ReserveRecordStatus["DORMANT"] = "dormant";
+    /**
+     * The bank aborted the withdrawal.
+     */
+    ReserveRecordStatus["BANK_ABORTED"] = "bank-aborted";
+})(ReserveRecordStatus || (ReserveRecordStatus = {}));
+/**
+ * Status of a denomination.
+ */
+var DenominationStatus;
+(function (DenominationStatus) {
+    /**
+     * Verification was delayed.
+     */
+    DenominationStatus["Unverified"] = "unverified";
+    /**
+     * Verified as valid.
+     */
+    DenominationStatus["VerifiedGood"] = "verified-good";
+    /**
+     * Verified as invalid.
+     */
+    DenominationStatus["VerifiedBad"] = "verified-bad";
+})(DenominationStatus || (DenominationStatus = {}));
+var ExchangeUpdateStatus;
+(function (ExchangeUpdateStatus) {
+    ExchangeUpdateStatus["FetchKeys"] = "fetch-keys";
+    ExchangeUpdateStatus["FetchWire"] = "fetch-wire";
+    ExchangeUpdateStatus["FetchTerms"] = "fetch-terms";
+    ExchangeUpdateStatus["FinalizeUpdate"] = "finalize-update";
+    ExchangeUpdateStatus["Finished"] = "finished";
+})(ExchangeUpdateStatus || (ExchangeUpdateStatus = {}));
+var ExchangeUpdateReason;
+(function (ExchangeUpdateReason) {
+    ExchangeUpdateReason["Initial"] = "initial";
+    ExchangeUpdateReason["Forced"] = "forced";
+    ExchangeUpdateReason["Scheduled"] = "scheduled";
+})(ExchangeUpdateReason || (ExchangeUpdateReason = {}));
+/**
+ * Status of a coin.
+ */
+var CoinStatus;
+(function (CoinStatus) {
+    /**
+     * Withdrawn and never shown to anybody.
+     */
+    CoinStatus["Fresh"] = "fresh";
+    /**
+     * A coin that has been spent and refreshed.
+     */
+    CoinStatus["Dormant"] = "dormant";
+})(CoinStatus || (CoinStatus = {}));
+var CoinSourceType;
+(function (CoinSourceType) {
+    CoinSourceType["Withdraw"] = "withdraw";
+    CoinSourceType["Refresh"] = "refresh";
+    CoinSourceType["Tip"] = "tip";
+})(CoinSourceType || (CoinSourceType = {}));
+var ProposalStatus;
+(function (ProposalStatus) {
+    /**
+     * Not downloaded yet.
+     */
+    ProposalStatus["DOWNLOADING"] = "downloading";
+    /**
+     * Proposal downloaded, but the user needs to accept/reject it.
+     */
+    ProposalStatus["PROPOSED"] = "proposed";
+    /**
+     * The user has accepted the proposal.
+     */
+    ProposalStatus["ACCEPTED"] = "accepted";
+    /**
+     * The user has rejected the proposal.
+     */
+    ProposalStatus["REFUSED"] = "refused";
+    /**
+     * Downloading or processing the proposal has failed permanently.
+     */
+    ProposalStatus["PERMANENTLY_FAILED"] = "permanently-failed";
+    /**
+     * Downloaded proposal was detected as a re-purchase.
+     */
+    ProposalStatus["REPURCHASE"] = "repurchase";
+})(ProposalStatus || (ProposalStatus = {}));
+var RefundState;
+(function (RefundState) {
+    RefundState["Failed"] = "failed";
+    RefundState["Applied"] = "applied";
+    RefundState["Pending"] = "pending";
+})(RefundState || (RefundState = {}));
+var RefundReason;
+(function (RefundReason) {
+    /**
+     * Normal refund given by the merchant.
+     */
+    RefundReason["NormalRefund"] = "normal-refund";
+    /**
+     * Refund from an aborted payment.
+     */
+    RefundReason["AbortRefund"] = "abort-pay-refund";
+})(RefundReason || (RefundReason = {}));
+var AbortStatus;
+(function (AbortStatus) {
+    AbortStatus["None"] = "none";
+    AbortStatus["AbortRefund"] = "abort-refund";
+    AbortStatus["AbortFinished"] = "abort-finished";
+})(AbortStatus || (AbortStatus = {}));
+var ImportPayloadType;
+(function (ImportPayloadType) {
+    ImportPayloadType["CoreSchema"] = "core-schema";
+})(ImportPayloadType || (ImportPayloadType = {}));
+var BackupProviderStatus;
+(function (BackupProviderStatus) {
+    BackupProviderStatus["PaymentRequired"] = "payment-required";
+    BackupProviderStatus["Ready"] = "ready";
+})(BackupProviderStatus || (BackupProviderStatus = {}));
+class ExchangesStore extends Store {
+    constructor() {
+        super("exchanges", { keyPath: "baseUrl" });
+    }
+}
+class CoinsStore extends Store {
+    constructor() {
+        super("coins", { keyPath: "coinPub" });
+        this.exchangeBaseUrlIndex = new Index(this, "exchangeBaseUrl", "exchangeBaseUrl");
+        this.denomPubHashIndex = new Index(this, "denomPubHashIndex", "denomPubHash");
+        this.coinEvHashIndex = new Index(this, "coinEvHashIndex", "coinEvHash");
+    }
+}
+class ProposalsStore extends Store {
+    constructor() {
+        super("proposals", { keyPath: "proposalId" });
+        this.urlAndOrderIdIndex = new Index(this, "urlIndex", ["merchantBaseUrl", "orderId"]);
+    }
+}
+class PurchasesStore extends Store {
+    constructor() {
+        super("purchases", { keyPath: "proposalId" });
+        this.fulfillmentUrlIndex = new Index(this, "fulfillmentUrlIndex", "download.contractData.fulfillmentUrl");
+        this.orderIdIndex = new Index(this, "orderIdIndex", ["download.contractData.merchantBaseUrl", "download.contractData.orderId"]);
+    }
+}
+class DenominationsStore extends Store {
+    constructor() {
+        // cast needed because of bug in type annotations
+        super("denominations", {
+            keyPath: ["exchangeBaseUrl", "denomPubHash"],
+        });
+        this.exchangeBaseUrlIndex = new Index(this, "exchangeBaseUrlIndex", "exchangeBaseUrl");
+    }
+}
+class CurrenciesStore extends Store {
+    constructor() {
+        super("currencies", { keyPath: "name" });
+    }
+}
+class ConfigStore extends Store {
+    constructor() {
+        super("config", { keyPath: "key" });
+    }
+}
+class ReservesStore extends Store {
+    constructor() {
+        super("reserves", { keyPath: "reservePub" });
+    }
+}
+class TipsStore extends Store {
+    constructor() {
+        super("tips", { keyPath: "walletTipId" });
+        // Added in version 2
+        this.byMerchantTipIdAndBaseUrl = new Index(this, "tipsByMerchantTipIdAndOriginIndex", [
+            "merchantTipId",
+            "merchantBaseUrl",
+        ]);
+    }
+}
+class WithdrawalGroupsStore extends Store {
+    constructor() {
+        super("withdrawals", { keyPath: "withdrawalGroupId" });
+        this.byReservePub = new Index(this, "withdrawalsByReserveIndex", "reservePub");
+    }
+}
+class PlanchetsStore extends Store {
+    constructor() {
+        super("planchets", { keyPath: "coinPub" });
+        this.byGroupAndIndex = new Index(this, "withdrawalGroupAndCoinIdxIndex", ["withdrawalGroupId", "coinIdx"]);
+        this.byGroup = new Index(this, "withdrawalGroupIndex", "withdrawalGroupId");
+        this.coinEvHashIndex = new Index(this, "coinEvHashIndex", "coinEvHash");
+    }
+}
+/**
+ * This store is effectively a materialized index for
+ * reserve records that are for a bank-integrated withdrawal.
+ */
+class BankWithdrawUrisStore extends Store {
+    constructor() {
+        super("bankWithdrawUris", { keyPath: "talerWithdrawUri" });
+    }
+}
+/**
+ */
+class BackupProvidersStore extends Store {
+    constructor() {
+        super("backupProviders", { keyPath: "baseUrl" });
+    }
+}
+class DepositGroupsStore extends Store {
+    constructor() {
+        super("depositGroups", { keyPath: "depositGroupId" });
+    }
+}
+/**
+ * The stores and indices for the wallet database.
+ */
+const Stores = {
+    coins: new CoinsStore(),
+    config: new ConfigStore(),
+    currencies: new CurrenciesStore(),
+    denominations: new DenominationsStore(),
+    exchanges: new ExchangesStore(),
+    proposals: new ProposalsStore(),
+    refreshGroups: new Store("refreshGroups", {
+        keyPath: "refreshGroupId",
+    }),
+    recoupGroups: new Store("recoupGroups", {
+        keyPath: "recoupGroupId",
+    }),
+    reserves: new ReservesStore(),
+    purchases: new PurchasesStore(),
+    tips: new TipsStore(),
+    withdrawalGroups: new WithdrawalGroupsStore(),
+    planchets: new PlanchetsStore(),
+    bankWithdrawUris: new BankWithdrawUrisStore(),
+    backupProviders: new BackupProvidersStore(),
+    depositGroups: new DepositGroupsStore(),
+};
+class MetaConfigStore extends Store {
+    constructor() {
+        super("metaConfig", { keyPath: "key" });
+    }
+}
+const MetaStores = {
+    metaConfig: new MetaConfigStore(),
+};
+
+let timeshift = 0;
+function getTimestampNow() {
+    return {
+        t_ms: new Date().getTime() + timeshift,
+    };
+}
+function isTimestampExpired(t) {
+    return timestampCmp(t, getTimestampNow()) <= 0;
+}
+function getDurationRemaining(deadline, now = getTimestampNow()) {
+    if (deadline.t_ms === "never") {
+        return { d_ms: "forever" };
+    }
+    if (now.t_ms === "never") {
+        throw Error("invalid argument for 'now'");
+    }
+    if (deadline.t_ms < now.t_ms) {
+        return { d_ms: 0 };
+    }
+    return { d_ms: deadline.t_ms - now.t_ms };
+}
+function timestampMin(t1, t2) {
+    if (t1.t_ms === "never") {
+        return { t_ms: t2.t_ms };
+    }
+    if (t2.t_ms === "never") {
+        return { t_ms: t2.t_ms };
+    }
+    return { t_ms: Math.min(t1.t_ms, t2.t_ms) };
+}
+function timestampMax(t1, t2) {
+    if (t1.t_ms === "never") {
+        return { t_ms: "never" };
+    }
+    if (t2.t_ms === "never") {
+        return { t_ms: "never" };
+    }
+    return { t_ms: Math.max(t1.t_ms, t2.t_ms) };
+}
+const SECONDS = 1000;
+const MINUTES = SECONDS * 60;
+const HOURS = MINUTES * 60;
+const DAYS = HOURS * 24;
+const MONTHS = DAYS * 30;
+const YEARS = DAYS * 365;
+function durationFromSpec(spec) {
+    var _a, _b, _c, _d, _e, _f;
+    let d_ms = 0;
+    d_ms += ((_a = spec.seconds) !== null && _a !== void 0 ? _a : 0) * SECONDS;
+    d_ms += ((_b = spec.minutes) !== null && _b !== void 0 ? _b : 0) * MINUTES;
+    d_ms += ((_c = spec.hours) !== null && _c !== void 0 ? _c : 0) * HOURS;
+    d_ms += ((_d = spec.days) !== null && _d !== void 0 ? _d : 0) * DAYS;
+    d_ms += ((_e = spec.months) !== null && _e !== void 0 ? _e : 0) * MONTHS;
+    d_ms += ((_f = spec.years) !== null && _f !== void 0 ? _f : 0) * YEARS;
+    return { d_ms };
+}
+/**
+ * Truncate a timestamp so that that it represents a multiple
+ * of seconds.  The timestamp is always rounded down.
+ */
+function timestampTruncateToSecond(t1) {
+    if (t1.t_ms === "never") {
+        return { t_ms: "never" };
+    }
+    return {
+        t_ms: Math.floor(t1.t_ms / 1000) * 1000,
+    };
+}
+function durationMin(d1, d2) {
+    if (d1.d_ms === "forever") {
+        return { d_ms: d2.d_ms };
+    }
+    if (d2.d_ms === "forever") {
+        return { d_ms: d2.d_ms };
+    }
+    return { d_ms: Math.min(d1.d_ms, d2.d_ms) };
+}
+function durationMax(d1, d2) {
+    if (d1.d_ms === "forever") {
+        return { d_ms: "forever" };
+    }
+    if (d2.d_ms === "forever") {
+        return { d_ms: "forever" };
+    }
+    return { d_ms: Math.max(d1.d_ms, d2.d_ms) };
+}
+function durationMul(d, n) {
+    if (d.d_ms === "forever") {
+        return { d_ms: "forever" };
+    }
+    return { d_ms: Math.round(d.d_ms * n) };
+}
+function timestampCmp(t1, t2) {
+    if (t1.t_ms === "never") {
+        if (t2.t_ms === "never") {
+            return 0;
+        }
+        return 1;
+    }
+    if (t2.t_ms === "never") {
+        return -1;
+    }
+    if (t1.t_ms == t2.t_ms) {
+        return 0;
+    }
+    if (t1.t_ms > t2.t_ms) {
+        return 1;
+    }
+    return -1;
+}
+function timestampAddDuration(t1, d) {
+    if (t1.t_ms === "never" || d.d_ms === "forever") {
+        return { t_ms: "never" };
+    }
+    return { t_ms: t1.t_ms + d.d_ms };
+}
+function timestampSubtractDuraction(t1, d) {
+    if (t1.t_ms === "never") {
+        return { t_ms: "never" };
+    }
+    if (d.d_ms === "forever") {
+        return { t_ms: 0 };
+    }
+    return { t_ms: Math.max(0, t1.t_ms - d.d_ms) };
+}
+function timestampDifference(t1, t2) {
+    if (t1.t_ms === "never") {
+        return { d_ms: "forever" };
+    }
+    if (t2.t_ms === "never") {
+        return { d_ms: "forever" };
+    }
+    return { d_ms: Math.abs(t1.t_ms - t2.t_ms) };
+}
+function timestampIsBetween(t, start, end) {
+    if (timestampCmp(t, start) < 0) {
+        return false;
+    }
+    if (timestampCmp(t, end) > 0) {
+        return false;
+    }
+    return true;
+}
+const codecForTimestamp = {
+    decode(x, c) {
+        const t_ms = x.t_ms;
+        if (typeof t_ms === "string") {
+            if (t_ms === "never") {
+                return { t_ms: "never" };
+            }
+            throw Error(`expected timestamp at ${renderContext(c)}`);
+        }
+        if (typeof t_ms === "number") {
+            return { t_ms };
+        }
+        throw Error(`expected timestamp at ${renderContext(c)}`);
+    },
+};
+const codecForDuration = {
+    decode(x, c) {
+        const d_ms = x.d_ms;
+        if (typeof d_ms === "string") {
+            if (d_ms === "forever") {
+                return { d_ms: "forever" };
+            }
+            throw Error(`expected duration at ${renderContext(c)}`);
+        }
+        if (typeof d_ms === "number") {
+            return { d_ms };
+        }
+        throw Error(`expected duration at ${renderContext(c)}`);
+    },
+};
+
+/*
+ This file is part of GNU Taler
+ (C) 2019 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+var TransactionType;
+(function (TransactionType) {
+    TransactionType["Withdrawal"] = "withdrawal";
+    TransactionType["Payment"] = "payment";
+    TransactionType["Refund"] = "refund";
+    TransactionType["Refresh"] = "refresh";
+    TransactionType["Tip"] = "tip";
+    TransactionType["Deposit"] = "deposit";
+})(TransactionType || (TransactionType = {}));
+var WithdrawalType;
+(function (WithdrawalType) {
+    WithdrawalType["TalerBankIntegrationApi"] = "taler-bank-integration-api";
+    WithdrawalType["ManualTransfer"] = "manual-transfer";
+})(WithdrawalType || (WithdrawalType = {}));
+var PaymentStatus;
+(function (PaymentStatus) {
+    /**
+     * Explicitly aborted after timeout / failure
+     */
+    PaymentStatus["Aborted"] = "aborted";
+    /**
+     * Payment failed, wallet will auto-retry.
+     * User should be given the option to retry now / abort.
+     */
+    PaymentStatus["Failed"] = "failed";
+    /**
+     * Paid successfully
+     */
+    PaymentStatus["Paid"] = "paid";
+    /**
+     * User accepted, payment is processing.
+     */
+    PaymentStatus["Accepted"] = "accepted";
+})(PaymentStatus || (PaymentStatus = {}));
+const codecForTransactionsRequest = () => buildCodecForObject()
+    .property("currency", codecOptional(codecForString()))
+    .property("search", codecOptional(codecForString()))
+    .build("TransactionsRequest");
+
+/*
+ This file is part of GNU Taler
+ (C) 2015-2020 Taler Systems SA
+
+ TALER is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+var ConfirmPayResultType;
+(function (ConfirmPayResultType) {
+    ConfirmPayResultType["Done"] = "done";
+    ConfirmPayResultType["Pending"] = "pending";
+})(ConfirmPayResultType || (ConfirmPayResultType = {}));
+var PreparePayResultType;
+(function (PreparePayResultType) {
+    PreparePayResultType["PaymentPossible"] = "payment-possible";
+    PreparePayResultType["InsufficientBalance"] = "insufficient-balance";
+    PreparePayResultType["AlreadyConfirmed"] = "already-confirmed";
+})(PreparePayResultType || (PreparePayResultType = {}));
+/**
+ * Reasons for why a coin is being refreshed.
+ */
+var RefreshReason;
+(function (RefreshReason) {
+    RefreshReason["Manual"] = "manual";
+    RefreshReason["Pay"] = "pay";
+    RefreshReason["Refund"] = "refund";
+    RefreshReason["AbortPay"] = "abort-pay";
+    RefreshReason["Recoup"] = "recoup";
+    RefreshReason["BackupRestored"] = "backup-restored";
+    RefreshReason["Scheduled"] = "scheduled";
+})(RefreshReason || (RefreshReason = {}));
+const codecForTestPayArgs = () => buildCodecForObject()
+    .property("merchantBaseUrl", codecForString())
+    .property("merchantAuthToken", codecOptional(codecForString()))
+    .property("amount", codecForString())
+    .property("summary", codecForString())
+    .build("TestPayArgs");
+const codecForIntegrationTestArgs = () => buildCodecForObject()
+    .property("exchangeBaseUrl", codecForString())
+    .property("bankBaseUrl", codecForString())
+    .property("merchantBaseUrl", codecForString())
+    .property("merchantAuthToken", codecOptional(codecForString()))
+    .property("amountToSpend", codecForAmountString())
+    .property("amountToWithdraw", codecForAmountString())
+    .build("IntegrationTestArgs");
+const codecForAddExchangeRequest = () => buildCodecForObject()
+    .property("exchangeBaseUrl", codecForString())
+    .build("AddExchangeRequest");
+const codecForForceExchangeUpdateRequest = () => buildCodecForObject()
+    .property("exchangeBaseUrl", codecForString())
+    .build("AddExchangeRequest");
+const codecForGetExchangeTosRequest = () => buildCodecForObject()
+    .property("exchangeBaseUrl", codecForString())
+    .build("GetExchangeTosRequest");
+const codecForAcceptManualWithdrawalRequet = () => buildCodecForObject()
+    .property("exchangeBaseUrl", codecForString())
+    .property("amount", codecForString())
+    .build("AcceptManualWithdrawalRequest");
+const codecForAcceptBankIntegratedWithdrawalRequest = () => buildCodecForObject()
+    .property("exchangeBaseUrl", codecForString())
+    .property("talerWithdrawUri", codecForString())
+    .build("AcceptBankIntegratedWithdrawalRequest");
+const codecForGetWithdrawalDetailsForAmountRequest = () => buildCodecForObject()
+    .property("exchangeBaseUrl", codecForString())
+    .property("amount", codecForString())
+    .build("GetWithdrawalDetailsForAmountRequest");
+const codecForAcceptExchangeTosRequest = () => buildCodecForObject()
+    .property("exchangeBaseUrl", codecForString())
+    .property("etag", codecForString())
+    .build("AcceptExchangeTosRequest");
+const codecForApplyRefundRequest = () => buildCodecForObject()
+    .property("talerRefundUri", codecForString())
+    .build("ApplyRefundRequest");
+const codecForGetWithdrawalDetailsForUri = () => buildCodecForObject()
+    .property("talerWithdrawUri", codecForString())
+    .build("GetWithdrawalDetailsForUriRequest");
+const codecForPreparePayRequest = () => buildCodecForObject()
+    .property("talerPayUri", codecForString())
+    .build("PreparePay");
+const codecForConfirmPayRequest = () => buildCodecForObject()
+    .property("proposalId", codecForString())
+    .property("sessionId", codecOptional(codecForString()))
+    .build("ConfirmPay");
+/**
+ * Strategy for loading recovery information.
+ */
+var RecoveryMergeStrategy;
+(function (RecoveryMergeStrategy) {
+    /**
+     * Keep the local wallet root key, import and take over providers.
+     */
+    RecoveryMergeStrategy["Ours"] = "ours";
+    /**
+     * Migrate to the wallet root key from the recovery information.
+     */
+    RecoveryMergeStrategy["Theirs"] = "theirs";
+})(RecoveryMergeStrategy || (RecoveryMergeStrategy = {}));
+const codecForWithdrawTestBalance = () => buildCodecForObject()
+    .property("amount", codecForString())
+    .property("bankBaseUrl", codecForString())
+    .property("exchangeBaseUrl", codecForString())
+    .build("WithdrawTestBalanceRequest");
+const codecForSetCoinSuspendedRequest = () => buildCodecForObject()
+    .property("coinPub", codecForString())
+    .property("suspended", codecForBoolean())
+    .build("SetCoinSuspendedRequest");
+const codecForForceRefreshRequest = () => buildCodecForObject()
+    .property("coinPubList", codecForList(codecForString()))
+    .build("ForceRefreshRequest");
+const codecForPrepareTipRequest = () => buildCodecForObject()
+    .property("talerTipUri", codecForString())
+    .build("PrepareTipRequest");
+const codecForAcceptTipRequest = () => buildCodecForObject()
+    .property("walletTipId", codecForString())
+    .build("AcceptTipRequest");
+const codecForAbortPayWithRefundRequest = () => buildCodecForObject()
+    .property("proposalId", codecForString())
+    .build("AbortPayWithRefundRequest");
+const codecForCreateDepositGroupRequest = () => buildCodecForObject()
+    .property("amount", codecForAmountString())
+    .property("depositPaytoUri", codecForString())
+    .build("CreateDepositGroupRequest");
+const codecForTrackDepositGroupRequest = () => buildCodecForObject()
+    .property("depositGroupId", codecForAmountString())
+    .build("TrackDepositGroupRequest");
+
+/*
+ This file is part of GNU Taler
+ (C) 2019 GNUnet e.V.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+const codecForBankWithdrawalOperationPostResponse = () => buildCodecForObject()
+    .property("transfer_done", codecForBoolean())
+    .build("BankWithdrawalOperationPostResponse");
+const codecForDenomination = () => buildCodecForObject()
+    .property("value", codecForString())
+    .property("denom_pub", codecForString())
+    .property("fee_withdraw", codecForString())
+    .property("fee_deposit", codecForString())
+    .property("fee_refresh", codecForString())
+    .property("fee_refund", codecForString())
+    .property("stamp_start", codecForTimestamp)
+    .property("stamp_expire_withdraw", codecForTimestamp)
+    .property("stamp_expire_legal", codecForTimestamp)
+    .property("stamp_expire_deposit", codecForTimestamp)
+    .property("master_sig", codecForString())
+    .build("Denomination");
+const codecForAuditorDenomSig = () => buildCodecForObject()
+    .property("denom_pub_h", codecForString())
+    .property("auditor_sig", codecForString())
+    .build("AuditorDenomSig");
+const codecForAuditor = () => buildCodecForObject()
+    .property("auditor_pub", codecForString())
+    .property("auditor_url", codecForString())
+    .property("denomination_keys", codecForList(codecForAuditorDenomSig()))
+    .build("Auditor");
+const codecForExchangeHandle = () => buildCodecForObject()
+    .property("master_pub", codecForString())
+    .property("url", codecForString())
+    .build("ExchangeHandle");
+const codecForAuditorHandle = () => buildCodecForObject()
+    .property("name", codecForString())
+    .property("auditor_pub", codecForString())
+    .property("url", codecForString())
+    .build("AuditorHandle");
+const codecForLocation = () => buildCodecForObject()
+    .property("country", codecOptional(codecForString()))
+    .property("country_subdivision", codecOptional(codecForString()))
+    .property("building_name", codecOptional(codecForString()))
+    .property("building_number", codecOptional(codecForString()))
+    .property("district", codecOptional(codecForString()))
+    .property("street", codecOptional(codecForString()))
+    .property("post_code", codecOptional(codecForString()))
+    .property("town", codecOptional(codecForString()))
+    .property("town_location", codecOptional(codecForString()))
+    .property("address_lines", codecOptional(codecForList(codecForString())))
+    .build("Location");
+const codecForMerchantInfo = () => buildCodecForObject()
+    .property("name", codecForString())
+    .property("address", codecOptional(codecForLocation()))
+    .property("jurisdiction", codecOptional(codecForLocation()))
+    .build("MerchantInfo");
+const codecForInternationalizedString = () => codecForMap(codecForString());
+const codecForProduct = () => buildCodecForObject()
+    .property("product_id", codecOptional(codecForString()))
+    .property("description", codecForString())
+    .property("description_i18n", codecOptional(codecForInternationalizedString()))
+    .property("quantity", codecOptional(codecForNumber()))
+    .property("unit", codecOptional(codecForString()))
+    .property("price", codecOptional(codecForString()))
+    .build("Tax");
+const codecForContractTerms = () => buildCodecForObject()
+    .property("order_id", codecForString())
+    .property("fulfillment_url", codecOptional(codecForString()))
+    .property("fulfillment_message", codecOptional(codecForString()))
+    .property("fulfillment_message_i18n", codecOptional(codecForInternationalizedString()))
+    .property("merchant_base_url", codecForString())
+    .property("h_wire", codecForString())
+    .property("auto_refund", codecOptional(codecForDuration))
+    .property("wire_method", codecForString())
+    .property("summary", codecForString())
+    .property("summary_i18n", codecOptional(codecForInternationalizedString()))
+    .property("nonce", codecForString())
+    .property("amount", codecForString())
+    .property("auditors", codecForList(codecForAuditorHandle()))
+    .property("pay_deadline", codecForTimestamp)
+    .property("refund_deadline", codecForTimestamp)
+    .property("wire_transfer_deadline", codecForTimestamp)
+    .property("timestamp", codecForTimestamp)
+    .property("delivery_location", codecOptional(codecForLocation()))
+    .property("delivery_date", codecOptional(codecForTimestamp))
+    .property("max_fee", codecForString())
+    .property("max_wire_fee", codecOptional(codecForString()))
+    .property("merchant", codecForMerchantInfo())
+    .property("merchant_pub", codecForString())
+    .property("exchanges", codecForList(codecForExchangeHandle()))
+    .property("products", codecOptional(codecForList(codecForProduct())))
+    .property("extra", codecForAny())
+    .build("ContractTerms");
+const codecForBlindSigWrapper = () => buildCodecForObject()
+    .property("blind_sig", codecForString())
+    .build("BlindSigWrapper");
+const codecForTipResponse = () => buildCodecForObject()
+    .property("blind_sigs", codecForList(codecForBlindSigWrapper()))
+    .build("TipResponse");
+const codecForRecoup = () => buildCodecForObject()
+    .property("h_denom_pub", codecForString())
+    .build("Recoup");
+const codecForExchangeSigningKey = () => buildCodecForObject()
+    .property("key", codecForString())
+    .property("master_sig", codecForString())
+    .property("stamp_end", codecForTimestamp)
+    .property("stamp_start", codecForTimestamp)
+    .property("stamp_expire", codecForTimestamp)
+    .build("ExchangeSignKeyJson");
+const codecForExchangeKeysJson = () => buildCodecForObject()
+    .property("denoms", codecForList(codecForDenomination()))
+    .property("master_public_key", codecForString())
+    .property("auditors", codecForList(codecForAuditor()))
+    .property("list_issue_date", codecForTimestamp)
+    .property("recoup", codecOptional(codecForList(codecForRecoup())))
+    .property("signkeys", codecForList(codecForExchangeSigningKey()))
+    .property("version", codecForString())
+    .property("reserve_closing_delay", codecForDuration)
+    .build("KeysJson");
+const codecForWireFeesJson = () => buildCodecForObject()
+    .property("wire_fee", codecForString())
+    .property("closing_fee", codecForString())
+    .property("sig", codecForString())
+    .property("start_date", codecForTimestamp)
+    .property("end_date", codecForTimestamp)
+    .build("WireFeesJson");
+const codecForAccountInfo = () => buildCodecForObject()
+    .property("payto_uri", codecForString())
+    .property("master_sig", codecForString())
+    .build("AccountInfo");
+const codecForExchangeWireJson = () => buildCodecForObject()
+    .property("accounts", codecForList(codecForAccountInfo()))
+    .property("fees", codecForMap(codecForList(codecForWireFeesJson())))
+    .build("ExchangeWireJson");
+const codecForProposal = () => buildCodecForObject()
+    .property("contract_terms", codecForAny())
+    .property("sig", codecForString())
+    .build("Proposal");
+const codecForCheckPaymentResponse = () => buildCodecForObject()
+    .property("order_status", codecForString())
+    .property("refunded", codecOptional(codecForBoolean()))
+    .property("refunded_amount", codecOptional(codecForString()))
+    .property("contract_terms", codecOptional(codecForAny()))
+    .property("taler_pay_uri", codecOptional(codecForString()))
+    .property("contract_url", codecOptional(codecForString()))
+    .build("CheckPaymentResponse");
+const codecForWithdrawOperationStatusResponse = () => buildCodecForObject()
+    .property("selection_done", codecForBoolean())
+    .property("transfer_done", codecForBoolean())
+    .property("aborted", codecForBoolean())
+    .property("amount", codecForString())
+    .property("sender_wire", codecOptional(codecForString()))
+    .property("suggested_exchange", codecOptional(codecForString()))
+    .property("confirm_transfer_url", codecOptional(codecForString()))
+    .property("wire_types", codecForList(codecForString()))
+    .build("WithdrawOperationStatusResponse");
+const codecForTipPickupGetResponse = () => buildCodecForObject()
+    .property("tip_amount", codecForString())
+    .property("exchange_url", codecForString())
+    .property("expiration", codecForTimestamp)
+    .build("TipPickupGetResponse");
+const codecForRecoupConfirmation = () => buildCodecForObject()
+    .property("reserve_pub", codecOptional(codecForString()))
+    .property("old_coin_pub", codecOptional(codecForString()))
+    .build("RecoupConfirmation");
+const codecForWithdrawResponse = () => buildCodecForObject()
+    .property("ev_sig", codecForString())
+    .build("WithdrawResponse");
+const codecForMerchantPayResponse = () => buildCodecForObject()
+    .property("sig", codecForString())
+    .build("MerchantPayResponse");
+const codecForExchangeMeltResponse = () => buildCodecForObject()
+    .property("exchange_pub", codecForString())
+    .property("exchange_sig", codecForString())
+    .property("noreveal_index", codecForNumber())
+    .property("refresh_base_url", codecOptional(codecForString()))
+    .build("ExchangeMeltResponse");
+const codecForExchangeRevealItem = () => buildCodecForObject()
+    .property("ev_sig", codecForString())
+    .build("ExchangeRevealItem");
+const codecForExchangeRevealResponse = () => buildCodecForObject()
+    .property("ev_sigs", codecForList(codecForExchangeRevealItem()))
+    .build("ExchangeRevealResponse");
+const codecForMerchantCoinRefundSuccessStatus = () => buildCodecForObject()
+    .property("type", codecForConstString("success"))
+    .property("coin_pub", codecForString())
+    .property("exchange_status", codecForConstNumber(200))
+    .property("exchange_sig", codecForString())
+    .property("rtransaction_id", codecForNumber())
+    .property("refund_amount", codecForString())
+    .property("exchange_pub", codecForString())
+    .property("execution_time", codecForTimestamp)
+    .build("MerchantCoinRefundSuccessStatus");
+const codecForMerchantCoinRefundFailureStatus = () => buildCodecForObject()
+    .property("type", codecForConstString("failure"))
+    .property("coin_pub", codecForString())
+    .property("exchange_status", codecForNumber())
+    .property("rtransaction_id", codecForNumber())
+    .property("refund_amount", codecForString())
+    .property("exchange_code", codecOptional(codecForNumber()))
+    .property("exchange_reply", codecOptional(codecForAny()))
+    .property("execution_time", codecForTimestamp)
+    .build("MerchantCoinRefundFailureStatus");
+const codecForMerchantCoinRefundStatus = () => buildCodecForUnion()
+    .discriminateOn("type")
+    .alternative("success", codecForMerchantCoinRefundSuccessStatus())
+    .alternative("failure", codecForMerchantCoinRefundFailureStatus())
+    .build("MerchantCoinRefundStatus");
+const codecForMerchantOrderRefundPickupResponse = () => buildCodecForObject()
+    .property("merchant_pub", codecForString())
+    .property("refund_amount", codecForString())
+    .property("refunds", codecForList(codecForMerchantCoinRefundStatus()))
+    .build("MerchantOrderRefundPickupResponse");
+const codecForAbortResponse = () => buildCodecForObject()
+    .property("refunds", codecForList(codecForMerchantAbortPayRefundStatus()))
+    .build("AbortResponse");
+const codecForMerchantAbortPayRefundSuccessStatus = () => buildCodecForObject()
+    .property("exchange_pub", codecForString())
+    .property("exchange_sig", codecForString())
+    .property("exchange_status", codecForConstNumber(200))
+    .property("type", codecForConstString("success"))
+    .build("MerchantAbortPayRefundSuccessStatus");
+const codecForMerchantAbortPayRefundFailureStatus = () => buildCodecForObject()
+    .property("exchange_code", codecForNumber())
+    .property("exchange_reply", codecForAny())
+    .property("exchange_status", codecForNumber())
+    .property("type", codecForConstString("failure"))
+    .build("MerchantAbortPayRefundFailureStatus");
+const codecForMerchantAbortPayRefundStatus = () => buildCodecForUnion()
+    .discriminateOn("type")
+    .alternative("success", codecForMerchantAbortPayRefundSuccessStatus())
+    .alternative("failure", codecForMerchantAbortPayRefundFailureStatus())
+    .build("MerchantAbortPayRefundStatus");
+const codecForTalerConfigResponse = () => buildCodecForObject()
+    .property("name", codecForString())
+    .property("version", codecForString())
+    .property("currency", codecOptional(codecForString()))
+    .build("TalerConfigResponse");
+
+/*
+ This file is part of GNU Taler
+ (C) 2020 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+// @ts-ignore
+const _URL = globalThis.URL;
+if (!_URL) {
+    throw Error("FATAL: URL not available");
+}
+const URL = _URL;
+// @ts-ignore
+const _URLSearchParams = globalThis.URLSearchParams;
+if (!_URLSearchParams) {
+    throw Error("FATAL: URLSearchParams not available");
+}
+const URLSearchParams$1 = _URLSearchParams;
+
+/*
+ This file is part of TALER
+ (C) 2016 GNUnet e.V.
+
+ TALER is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+/**
+ * Show an amount in a form suitable for the user.
+ * FIXME:  In the future, this should consider currency-specific
+ * settings such as significant digits or currency symbols.
+ */
+function amountToPretty(amount) {
+    const x = amount.value + amount.fraction / fractionalBase;
+    return `${x} ${amount.currency}`;
+}
+/**
+ * Canonicalize a base url, typically for the exchange.
+ *
+ * See http://api.taler.net/wallet.html#general
+ */
+function canonicalizeBaseUrl(url) {
+    if (!url.startsWith("http") && !url.startsWith("https")) {
+        url = "https://" + url;
+    }
+    const x = new URL(url);
+    if (!x.pathname.endsWith("/")) {
+        x.pathname = x.pathname + "/";
+    }
+    x.search = "";
+    x.hash = "";
+    return x.href;
+}
+/**
+ * Convert object to JSON with canonical ordering of keys
+ * and whitespace omitted.
+ */
+function canonicalJson(obj) {
+    // Check for cycles, etc.
+    JSON.stringify(obj);
+    if (typeof obj === "string" || typeof obj === "number" || obj === null) {
+        return JSON.stringify(obj);
+    }
+    if (Array.isArray(obj)) {
+        const objs = obj.map((e) => canonicalJson(e));
+        return `[${objs.join(",")}]`;
+    }
+    const keys = [];
+    for (const key in obj) {
+        keys.push(key);
+    }
+    keys.sort();
+    let s = "{";
+    for (let i = 0; i < keys.length; i++) {
+        const key = keys[i];
+        s += JSON.stringify(key) + ":" + canonicalJson(obj[key]);
+        if (i !== keys.length - 1) {
+            s += ",";
+        }
+    }
+    return s + "}";
+}
+/**
+ * Lexically compare two strings.
+ */
+function strcmp(s1, s2) {
+    if (s1 < s2) {
+        return -1;
+    }
+    if (s1 > s2) {
+        return 1;
+    }
+    return 0;
+}
+function j2s(x) {
+    return JSON.stringify(x, undefined, 2);
+}
+
+/*
+ This file is part of GNU Taler
+ (C) 2019-2020 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+/**
+ * Parse a taler[+http]://withdraw URI.
+ * Return undefined if not passed a valid URI.
+ */
+function parseWithdrawUri(s) {
+    const pi = parseProtoInfo(s, "withdraw");
+    if (!pi) {
+        return undefined;
+    }
+    const parts = pi.rest.split("/");
+    if (parts.length < 2) {
+        return undefined;
+    }
+    const host = parts[0].toLowerCase();
+    const pathSegments = parts.slice(1, parts.length - 1);
+    const withdrawId = parts[parts.length - 1];
+    const p = [host, ...pathSegments].join("/");
+    return {
+        bankIntegrationApiBaseUrl: canonicalizeBaseUrl(`${pi.innerProto}://${p}/`),
+        withdrawalOperationId: withdrawId,
+    };
+}
+var TalerUriType;
+(function (TalerUriType) {
+    TalerUriType["TalerPay"] = "taler-pay";
+    TalerUriType["TalerWithdraw"] = "taler-withdraw";
+    TalerUriType["TalerTip"] = "taler-tip";
+    TalerUriType["TalerRefund"] = "taler-refund";
+    TalerUriType["TalerNotifyReserve"] = "taler-notify-reserve";
+    TalerUriType["Unknown"] = "unknown";
+})(TalerUriType || (TalerUriType = {}));
+function parseProtoInfo(s, action) {
+    const pfxPlain = `taler://${action}/`;
+    const pfxHttp = `taler+http://${action}/`;
+    if (s.toLowerCase().startsWith(pfxPlain)) {
+        return {
+            innerProto: "https",
+            rest: s.substring(pfxPlain.length),
+        };
+    }
+    else if (s.toLowerCase().startsWith(pfxHttp)) {
+        return {
+            innerProto: "http",
+            rest: s.substring(pfxHttp.length),
+        };
+    }
+    else {
+        return undefined;
+    }
+}
+/**
+ * Parse a taler[+http]://pay URI.
+ * Return undefined if not passed a valid URI.
+ */
+function parsePayUri(s) {
+    var _a, _b;
+    const pi = parseProtoInfo(s, "pay");
+    if (!pi) {
+        return undefined;
+    }
+    const c = pi === null || pi === void 0 ? void 0 : pi.rest.split("?");
+    const q = new URLSearchParams$1((_a = c[1]) !== null && _a !== void 0 ? _a : "");
+    const claimToken = (_b = q.get("c")) !== null && _b !== void 0 ? _b : undefined;
+    const parts = c[0].split("/");
+    if (parts.length < 3) {
+        return undefined;
+    }
+    const host = parts[0].toLowerCase();
+    const sessionId = parts[parts.length - 1];
+    const orderId = parts[parts.length - 2];
+    const pathSegments = parts.slice(1, parts.length - 2);
+    const p = [host, ...pathSegments].join("/");
+    const merchantBaseUrl = canonicalizeBaseUrl(`${pi.innerProto}://${p}/`);
+    return {
+        merchantBaseUrl,
+        orderId,
+        sessionId: sessionId,
+        claimToken,
+    };
+}
+/**
+ * Parse a taler[+http]://tip URI.
+ * Return undefined if not passed a valid URI.
+ */
+function parseTipUri(s) {
+    const pi = parseProtoInfo(s, "tip");
+    if (!pi) {
+        return undefined;
+    }
+    const c = pi === null || pi === void 0 ? void 0 : pi.rest.split("?");
+    const parts = c[0].split("/");
+    if (parts.length < 2) {
+        return undefined;
+    }
+    const host = parts[0].toLowerCase();
+    const tipId = parts[parts.length - 1];
+    const pathSegments = parts.slice(1, parts.length - 1);
+    const p = [host, ...pathSegments].join("/");
+    const merchantBaseUrl = canonicalizeBaseUrl(`${pi.innerProto}://${p}/`);
+    return {
+        merchantBaseUrl,
+        merchantTipId: tipId,
+    };
+}
+/**
+ * Parse a taler[+http]://refund URI.
+ * Return undefined if not passed a valid URI.
+ */
+function parseRefundUri(s) {
+    const pi = parseProtoInfo(s, "refund");
+    if (!pi) {
+        return undefined;
+    }
+    const c = pi === null || pi === void 0 ? void 0 : pi.rest.split("?");
+    const parts = c[0].split("/");
+    if (parts.length < 3) {
+        return undefined;
+    }
+    const host = parts[0].toLowerCase();
+    const sessionId = parts[parts.length - 1];
+    const orderId = parts[parts.length - 2];
+    const pathSegments = parts.slice(1, parts.length - 2);
+    const p = [host, ...pathSegments].join("/");
+    const merchantBaseUrl = canonicalizeBaseUrl(`${pi.innerProto}://${p}/`);
+    return {
+        merchantBaseUrl,
+        orderId,
+    };
+}
+
+/*
+ This file is part of GNU Taler
+ (C) 2019 GNUnet e.V.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+const paytoPfx = "payto://";
+/**
+ * Add query parameters to a payto URI
+ */
+function addPaytoQueryParams(s, params) {
+    const [acct, search] = s.slice(paytoPfx.length).split("?");
+    const searchParams = new URLSearchParams$1(search || "");
+    for (const k of Object.keys(params)) {
+        searchParams.set(k, params[k]);
+    }
+    return paytoPfx + acct + "?" + searchParams.toString();
+}
+function parsePaytoUri(s) {
+    if (!s.startsWith(paytoPfx)) {
+        return undefined;
+    }
+    const [acct, search] = s.slice(paytoPfx.length).split("?");
+    const firstSlashPos = acct.indexOf("/");
+    if (firstSlashPos === -1) {
+        return undefined;
+    }
+    const targetType = acct.slice(0, firstSlashPos);
+    const targetPath = acct.slice(firstSlashPos + 1);
+    const params = {};
+    const searchParams = new URLSearchParams$1(search || "");
+    searchParams.forEach((v, k) => {
+        params[v] = k;
+    });
+    return {
+        targetPath,
+        targetType,
+        params,
+    };
+}
+
+/*
+  This file is part of GNU Taler
+  Copyright (C) 2012-2020 Taler Systems SA
+
+  GNU Taler is free software: you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published
+  by the Free Software Foundation, either version 3 of the License,
+  or (at your option) any later version.
+
+  GNU Taler is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+  SPDX-License-Identifier: LGPL3.0-or-later
+
+  Note: the LGPL does not apply to all components of GNU Taler,
+  but it does apply to this file.
+ */
+var TalerErrorCode;
+(function (TalerErrorCode) {
+    /**
+     * Special code to indicate success (no error).
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["NONE"] = 0] = "NONE";
+    /**
+     * A non-integer error code was returned in the JSON response.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["INVALID"] = 1] = "INVALID";
+    /**
+     * The response we got from the server was not even in JSON format.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["GENERIC_INVALID_RESPONSE"] = 10] = "GENERIC_INVALID_RESPONSE";
+    /**
+     * An operation timed out.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["GENERIC_TIMEOUT"] = 11] = "GENERIC_TIMEOUT";
+    /**
+     * The version string given does not follow the expected CURRENT:REVISION:AGE Format.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["GENERIC_VERSION_MALFORMED"] = 12] = "GENERIC_VERSION_MALFORMED";
+    /**
+     * The service responded with a reply that was in JSON but did not satsify the protocol. Note that invalid cryptographic signatures should have signature-specific error codes.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["GENERIC_REPLY_MALFORMED"] = 13] = "GENERIC_REPLY_MALFORMED";
+    /**
+     * The HTTP method used is invalid for this endpoint.
+     * Returned with an HTTP status code of #MHD_HTTP_METHOD_NOT_ALLOWED (405).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["GENERIC_METHOD_INVALID"] = 20] = "GENERIC_METHOD_INVALID";
+    /**
+     * There is no endpoint defined for the URL provided by the client.
+     * Returned with an HTTP status code of #MHD_HTTP_NOT_FOUND (404).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["GENERIC_ENDPOINT_UNKNOWN"] = 21] = "GENERIC_ENDPOINT_UNKNOWN";
+    /**
+     * The JSON in the client's request was malformed (generic parse error).
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["GENERIC_JSON_INVALID"] = 22] = "GENERIC_JSON_INVALID";
+    /**
+     * The payto:// URI provided by the client is malformed.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["GENERIC_PAYTO_URI_MALFORMED"] = 24] = "GENERIC_PAYTO_URI_MALFORMED";
+    /**
+     * A required parameter in the request was missing.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["GENERIC_PARAMETER_MISSING"] = 25] = "GENERIC_PARAMETER_MISSING";
+    /**
+     * A parameter in the request was malformed.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["GENERIC_PARAMETER_MALFORMED"] = 26] = "GENERIC_PARAMETER_MALFORMED";
+    /**
+     * The currencies involved in the operation do not match.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["GENERIC_CURRENCY_MISMATCH"] = 30] = "GENERIC_CURRENCY_MISMATCH";
+    /**
+     * The URI is longer than the longest URI the HTTP server is willing to parse.
+     * Returned with an HTTP status code of #MHD_HTTP_URI_TOO_LONG (414).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["GENERIC_URI_TOO_LONG"] = 31] = "GENERIC_URI_TOO_LONG";
+    /**
+     * The body is too large to be permissible for the endpoint.
+     * Returned with an HTTP status code of #MHD_HTTP_PAYLOAD_TOO_LARGE (413).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["GENERIC_UPLOAD_EXCEEDS_LIMIT"] = 32] = "GENERIC_UPLOAD_EXCEEDS_LIMIT";
+    /**
+     * The service failed initialize its connection to the database.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["GENERIC_DB_SETUP_FAILED"] = 50] = "GENERIC_DB_SETUP_FAILED";
+    /**
+     * The service encountered an error event to just start the database transaction.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["GENERIC_DB_START_FAILED"] = 51] = "GENERIC_DB_START_FAILED";
+    /**
+     * The service failed to store information in its database.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["GENERIC_DB_STORE_FAILED"] = 52] = "GENERIC_DB_STORE_FAILED";
+    /**
+     * The service failed to fetch information from its database.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["GENERIC_DB_FETCH_FAILED"] = 53] = "GENERIC_DB_FETCH_FAILED";
+    /**
+     * The service encountered an error event to commit the database transaction (hard, unrecoverable error).
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["GENERIC_DB_COMMIT_FAILED"] = 54] = "GENERIC_DB_COMMIT_FAILED";
+    /**
+     * The service encountered an error event to commit the database transaction, even after repeatedly retrying it there was always a conflicting transaction. (This indicates a repeated serialization error; should only happen if some client maliciously tries to create conflicting concurrent transactions.)
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["GENERIC_DB_SOFT_FAILURE"] = 55] = "GENERIC_DB_SOFT_FAILURE";
+    /**
+     * The service's database is inconsistent and violates service-internal invariants.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["GENERIC_DB_INVARIANT_FAILURE"] = 56] = "GENERIC_DB_INVARIANT_FAILURE";
+    /**
+     * The HTTP server experienced an internal invariant failure (bug).
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["GENERIC_INTERNAL_INVARIANT_FAILURE"] = 60] = "GENERIC_INTERNAL_INVARIANT_FAILURE";
+    /**
+     * The service could not compute a cryptographic hash over some JSON value.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["GENERIC_FAILED_COMPUTE_JSON_HASH"] = 61] = "GENERIC_FAILED_COMPUTE_JSON_HASH";
+    /**
+     * The HTTP server had insufficient memory to parse the request.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["GENERIC_PARSER_OUT_OF_MEMORY"] = 70] = "GENERIC_PARSER_OUT_OF_MEMORY";
+    /**
+     * The HTTP server failed to allocate memory.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["GENERIC_ALLOCATION_FAILURE"] = 71] = "GENERIC_ALLOCATION_FAILURE";
+    /**
+     * The HTTP server failed to allocate memory for building JSON reply.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["GENERIC_JSON_ALLOCATION_FAILURE"] = 72] = "GENERIC_JSON_ALLOCATION_FAILURE";
+    /**
+     * Exchange is badly configured and thus cannot operate.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_GENERIC_BAD_CONFIGURATION"] = 1000] = "EXCHANGE_GENERIC_BAD_CONFIGURATION";
+    /**
+     * Operation specified unknown for this endpoint.
+     * Returned with an HTTP status code of #MHD_HTTP_NOT_FOUND (404).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_GENERIC_OPERATION_UNKNOWN"] = 1001] = "EXCHANGE_GENERIC_OPERATION_UNKNOWN";
+    /**
+     * The number of segments included in the URI does not match the number of segments expected by the endpoint.
+     * Returned with an HTTP status code of #MHD_HTTP_NOT_FOUND (404).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_GENERIC_WRONG_NUMBER_OF_SEGMENTS"] = 1002] = "EXCHANGE_GENERIC_WRONG_NUMBER_OF_SEGMENTS";
+    /**
+     * The same coin was already used with a different denomination previously.
+     * Returned with an HTTP status code of #MHD_HTTP_CONFLICT (409).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_GENERIC_COIN_CONFLICTING_DENOMINATION_KEY"] = 1003] = "EXCHANGE_GENERIC_COIN_CONFLICTING_DENOMINATION_KEY";
+    /**
+     * The public key of given to a "/coins/" endpoint of the exchange was malformed.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_GENERIC_COINS_INVALID_COIN_PUB"] = 1004] = "EXCHANGE_GENERIC_COINS_INVALID_COIN_PUB";
+    /**
+     * The exchange is not aware of the denomination key the wallet requested for the operation.
+     * Returned with an HTTP status code of #MHD_HTTP_NOT_FOUND (404).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_GENERIC_DENOMINATION_KEY_UNKNOWN"] = 1005] = "EXCHANGE_GENERIC_DENOMINATION_KEY_UNKNOWN";
+    /**
+     * The signature of the denomination key over the coin is not valid.
+     * Returned with an HTTP status code of #MHD_HTTP_FORBIDDEN (403).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_DENOMINATION_SIGNATURE_INVALID"] = 1006] = "EXCHANGE_DENOMINATION_SIGNATURE_INVALID";
+    /**
+     * The exchange failed to perform the operation as it could not find the private keys. This is a problem with the exchange setup, not with the client's request.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_GENERIC_KEYS_MISSING"] = 1007] = "EXCHANGE_GENERIC_KEYS_MISSING";
+    /**
+     * Validity period of the denomination lies in the future.
+     * Returned with an HTTP status code of #MHD_HTTP_PRECONDITION_FAILED (412).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_GENERIC_DENOMINATION_VALIDITY_IN_FUTURE"] = 1008] = "EXCHANGE_GENERIC_DENOMINATION_VALIDITY_IN_FUTURE";
+    /**
+     * Denomination key of the coin is past its expiration time for the requested operation.
+     * Returned with an HTTP status code of #MHD_HTTP_GONE (410).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_GENERIC_DENOMINATION_EXPIRED"] = 1009] = "EXCHANGE_GENERIC_DENOMINATION_EXPIRED";
+    /**
+     * The exchange did not find information about the specified transaction in the database.
+     * Returned with an HTTP status code of #MHD_HTTP_NOT_FOUND (404).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_DEPOSITS_GET_NOT_FOUND"] = 1100] = "EXCHANGE_DEPOSITS_GET_NOT_FOUND";
+    /**
+     * The wire hash of given to a "/deposits/" handler was malformed.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_DEPOSITS_GET_INVALID_H_WIRE"] = 1101] = "EXCHANGE_DEPOSITS_GET_INVALID_H_WIRE";
+    /**
+     * The merchant key of given to a "/deposits/" handler was malformed.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_DEPOSITS_GET_INVALID_MERCHANT_PUB"] = 1102] = "EXCHANGE_DEPOSITS_GET_INVALID_MERCHANT_PUB";
+    /**
+     * The hash of the contract terms given to a "/deposits/" handler was malformed.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_DEPOSITS_GET_INVALID_H_CONTRACT_TERMS"] = 1103] = "EXCHANGE_DEPOSITS_GET_INVALID_H_CONTRACT_TERMS";
+    /**
+     * The coin public key of given to a "/deposits/" handler was malformed.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_DEPOSITS_GET_INVALID_COIN_PUB"] = 1104] = "EXCHANGE_DEPOSITS_GET_INVALID_COIN_PUB";
+    /**
+     * The signature returned by the exchange in a /deposits/ request was malformed.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_DEPOSITS_GET_INVALID_SIGNATURE_BY_EXCHANGE"] = 1105] = "EXCHANGE_DEPOSITS_GET_INVALID_SIGNATURE_BY_EXCHANGE";
+    /**
+     * The signature of the merchant is invalid.
+     * Returned with an HTTP status code of #MHD_HTTP_FORBIDDEN (403).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_DEPOSITS_GET_MERCHANT_SIGNATURE_INVALID"] = 1106] = "EXCHANGE_DEPOSITS_GET_MERCHANT_SIGNATURE_INVALID";
+    /**
+     * The given reserve does not have sufficient funds to admit the requested withdraw operation at this time.  The response includes the current "balance" of the reserve as well as the transaction "history" that lead to this balance.
+     * Returned with an HTTP status code of #MHD_HTTP_CONFLICT (409).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_WITHDRAW_INSUFFICIENT_FUNDS"] = 1150] = "EXCHANGE_WITHDRAW_INSUFFICIENT_FUNDS";
+    /**
+     * The exchange has no information about the "reserve_pub" that was given.
+     * Returned with an HTTP status code of #MHD_HTTP_NOT_FOUND (404).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_WITHDRAW_RESERVE_UNKNOWN"] = 1151] = "EXCHANGE_WITHDRAW_RESERVE_UNKNOWN";
+    /**
+     * The amount to withdraw together with the fee exceeds the numeric range for Taler amounts.  This is not a client failure, as the coin value and fees come from the exchange's configuration.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_WITHDRAW_AMOUNT_FEE_OVERFLOW"] = 1152] = "EXCHANGE_WITHDRAW_AMOUNT_FEE_OVERFLOW";
+    /**
+     * The exchange failed to create the signature using the denomination key.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_WITHDRAW_SIGNATURE_FAILED"] = 1153] = "EXCHANGE_WITHDRAW_SIGNATURE_FAILED";
+    /**
+     * The signature of the reserve is not valid.
+     * Returned with an HTTP status code of #MHD_HTTP_FORBIDDEN (403).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_WITHDRAW_RESERVE_SIGNATURE_INVALID"] = 1154] = "EXCHANGE_WITHDRAW_RESERVE_SIGNATURE_INVALID";
+    /**
+     * When computing the reserve history, we ended up with a negative overall balance, which should be impossible.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_WITHDRAW_HISTORY_ERROR_INSUFFICIENT_FUNDS"] = 1155] = "EXCHANGE_WITHDRAW_HISTORY_ERROR_INSUFFICIENT_FUNDS";
+    /**
+     * Withdraw period of the coin to be withdrawn is in the past.
+     * Returned with an HTTP status code of #MHD_HTTP_GONE (410).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_WITHDRAW_VALIDITY_IN_PAST"] = 1157] = "EXCHANGE_WITHDRAW_VALIDITY_IN_PAST";
+    /**
+     * Withdraw period of the coin to be withdrawn is in the past.
+     * Returned with an HTTP status code of #MHD_HTTP_GONE (410).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_WITHDRAW_DENOMINATION_KEY_LOST"] = 1158] = "EXCHANGE_WITHDRAW_DENOMINATION_KEY_LOST";
+    /**
+     * The client failed to unblind the blind signature.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_WITHDRAW_UNBLIND_FAILURE"] = 1159] = "EXCHANGE_WITHDRAW_UNBLIND_FAILURE";
+    /**
+     * The respective coin did not have sufficient residual value for the /deposit operation (i.e. due to double spending). The "history" in the response provides the transaction history of the coin proving this fact.
+     * Returned with an HTTP status code of #MHD_HTTP_CONFLICT (409).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_DEPOSIT_INSUFFICIENT_FUNDS"] = 1200] = "EXCHANGE_DEPOSIT_INSUFFICIENT_FUNDS";
+    /**
+     * The signature made by the coin over the deposit permission is not valid.
+     * Returned with an HTTP status code of #MHD_HTTP_FORBIDDEN (403).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_DEPOSIT_COIN_SIGNATURE_INVALID"] = 1205] = "EXCHANGE_DEPOSIT_COIN_SIGNATURE_INVALID";
+    /**
+     * The stated value of the coin after the deposit fee is subtracted would be negative.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_DEPOSIT_NEGATIVE_VALUE_AFTER_FEE"] = 1207] = "EXCHANGE_DEPOSIT_NEGATIVE_VALUE_AFTER_FEE";
+    /**
+     * The stated refund deadline is after the wire deadline.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_DEPOSIT_REFUND_DEADLINE_AFTER_WIRE_DEADLINE"] = 1208] = "EXCHANGE_DEPOSIT_REFUND_DEADLINE_AFTER_WIRE_DEADLINE";
+    /**
+     * The exchange failed to canonicalize and hash the given wire format. For example, the merchant failed to provide the "salt" or a valid payto:// URI in the wire details.  Note that while the exchange will do some basic sanity checking on the wire details, it cannot warrant that the banking system will ultimately be able to route to the specified address, even if this check passed.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_DEPOSIT_INVALID_WIRE_FORMAT_JSON"] = 1210] = "EXCHANGE_DEPOSIT_INVALID_WIRE_FORMAT_JSON";
+    /**
+     * The hash of the given wire address does not match the wire hash specified in the proposal data.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_DEPOSIT_INVALID_WIRE_FORMAT_CONTRACT_HASH_CONFLICT"] = 1211] = "EXCHANGE_DEPOSIT_INVALID_WIRE_FORMAT_CONTRACT_HASH_CONFLICT";
+    /**
+     * The signature provided by the exchange is not valid.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_DEPOSIT_INVALID_SIGNATURE_BY_EXCHANGE"] = 1221] = "EXCHANGE_DEPOSIT_INVALID_SIGNATURE_BY_EXCHANGE";
+    /**
+     * The reserve status was requested using a unknown key.
+     * Returned with an HTTP status code of #MHD_HTTP_NOT_FOUND (404).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_RESERVES_GET_STATUS_UNKNOWN"] = 1250] = "EXCHANGE_RESERVES_GET_STATUS_UNKNOWN";
+    /**
+     * The respective coin did not have sufficient residual value for the /refresh/melt operation.  The "history" in this response provdes the "residual_value" of the coin, which may be less than its "original_value".
+     * Returned with an HTTP status code of #MHD_HTTP_CONFLICT (409).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_MELT_INSUFFICIENT_FUNDS"] = 1300] = "EXCHANGE_MELT_INSUFFICIENT_FUNDS";
+    /**
+     * The exchange had an internal error reconstructing the transaction history of the coin that was being melted.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_MELT_COIN_HISTORY_COMPUTATION_FAILED"] = 1301] = "EXCHANGE_MELT_COIN_HISTORY_COMPUTATION_FAILED";
+    /**
+     * The exchange encountered melt fees exceeding the melted coin's contribution.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_MELT_FEES_EXCEED_CONTRIBUTION"] = 1302] = "EXCHANGE_MELT_FEES_EXCEED_CONTRIBUTION";
+    /**
+     * The signature made with the coin to be melted is invalid.
+     * Returned with an HTTP status code of #MHD_HTTP_FORBIDDEN (403).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_MELT_COIN_SIGNATURE_INVALID"] = 1303] = "EXCHANGE_MELT_COIN_SIGNATURE_INVALID";
+    /**
+     * The exchange failed to obtain the transaction history of the given coin from the database while generating an insufficient funds errors.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_MELT_HISTORY_DB_ERROR_INSUFFICIENT_FUNDS"] = 1304] = "EXCHANGE_MELT_HISTORY_DB_ERROR_INSUFFICIENT_FUNDS";
+    /**
+     * The denomination of the given coin has past its expiration date and it is also not a valid zombie (that is, was not refreshed with the fresh coin being subjected to recoup).
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_MELT_COIN_EXPIRED_NO_ZOMBIE"] = 1305] = "EXCHANGE_MELT_COIN_EXPIRED_NO_ZOMBIE";
+    /**
+     * The signature returned by the exchange in a melt request was malformed.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_MELT_INVALID_SIGNATURE_BY_EXCHANGE"] = 1306] = "EXCHANGE_MELT_INVALID_SIGNATURE_BY_EXCHANGE";
+    /**
+     * The provided transfer keys do not match up with the original commitment.  Information about the original commitment is included in the response.
+     * Returned with an HTTP status code of #MHD_HTTP_CONFLICT (409).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_REFRESHES_REVEAL_COMMITMENT_VIOLATION"] = 1353] = "EXCHANGE_REFRESHES_REVEAL_COMMITMENT_VIOLATION";
+    /**
+     * Failed to produce the blinded signatures over the coins to be returned.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_REFRESHES_REVEAL_SIGNING_ERROR"] = 1354] = "EXCHANGE_REFRESHES_REVEAL_SIGNING_ERROR";
+    /**
+     * The exchange is unaware of the refresh session specified in the request.
+     * Returned with an HTTP status code of #MHD_HTTP_NOT_FOUND (404).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_REFRESHES_REVEAL_SESSION_UNKNOWN"] = 1355] = "EXCHANGE_REFRESHES_REVEAL_SESSION_UNKNOWN";
+    /**
+     * The size of the cut-and-choose dimension of the private transfer keys request does not match #TALER_CNC_KAPPA - 1.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_REFRESHES_REVEAL_CNC_TRANSFER_ARRAY_SIZE_INVALID"] = 1356] = "EXCHANGE_REFRESHES_REVEAL_CNC_TRANSFER_ARRAY_SIZE_INVALID";
+    /**
+     * The number of coins to be created in refresh exceeds the limits of the exchange. private transfer keys request does not match #TALER_CNC_KAPPA - 1.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_REFRESHES_REVEAL_NEW_DENOMS_ARRAY_SIZE_EXCESSIVE"] = 1357] = "EXCHANGE_REFRESHES_REVEAL_NEW_DENOMS_ARRAY_SIZE_EXCESSIVE";
+    /**
+     * The number of envelopes given does not match the number of denomination keys given.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_REFRESHES_REVEAL_NEW_DENOMS_ARRAY_SIZE_MISMATCH"] = 1358] = "EXCHANGE_REFRESHES_REVEAL_NEW_DENOMS_ARRAY_SIZE_MISMATCH";
+    /**
+     * The exchange encountered a numeric overflow totaling up the cost for the refresh operation.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_REFRESHES_REVEAL_COST_CALCULATION_OVERFLOW"] = 1359] = "EXCHANGE_REFRESHES_REVEAL_COST_CALCULATION_OVERFLOW";
+    /**
+     * The exchange's cost calculation shows that the melt amount is below the costs of the transaction.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_REFRESHES_REVEAL_AMOUNT_INSUFFICIENT"] = 1360] = "EXCHANGE_REFRESHES_REVEAL_AMOUNT_INSUFFICIENT";
+    /**
+     * The signature made with the coin over the link data is invalid.
+     * Returned with an HTTP status code of #MHD_HTTP_FORBIDDEN (403).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_REFRESHES_REVEAL_LINK_SIGNATURE_INVALID"] = 1361] = "EXCHANGE_REFRESHES_REVEAL_LINK_SIGNATURE_INVALID";
+    /**
+     * The refresh session hash given to a /refreshes/ handler was malformed.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_REFRESHES_REVEAL_INVALID_RCH"] = 1362] = "EXCHANGE_REFRESHES_REVEAL_INVALID_RCH";
+    /**
+     * Operation specified invalid for this endpoint.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_REFRESHES_REVEAL_OPERATION_INVALID"] = 1363] = "EXCHANGE_REFRESHES_REVEAL_OPERATION_INVALID";
+    /**
+     * The coin specified in the link request is unknown to the exchange.
+     * Returned with an HTTP status code of #MHD_HTTP_NOT_FOUND (404).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_LINK_COIN_UNKNOWN"] = 1400] = "EXCHANGE_LINK_COIN_UNKNOWN";
+    /**
+     * The public key of given to a /transfers/ handler was malformed.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_TRANSFERS_GET_WTID_MALFORMED"] = 1450] = "EXCHANGE_TRANSFERS_GET_WTID_MALFORMED";
+    /**
+     * The exchange did not find information about the specified wire transfer identifier in the database.
+     * Returned with an HTTP status code of #MHD_HTTP_NOT_FOUND (404).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_TRANSFERS_GET_WTID_NOT_FOUND"] = 1451] = "EXCHANGE_TRANSFERS_GET_WTID_NOT_FOUND";
+    /**
+     * The exchange did not find information about the wire transfer fees it charged.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_TRANSFERS_GET_WIRE_FEE_NOT_FOUND"] = 1452] = "EXCHANGE_TRANSFERS_GET_WIRE_FEE_NOT_FOUND";
+    /**
+     * The exchange found a wire fee that was above the total transfer value (and thus could not have been charged).
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_TRANSFERS_GET_WIRE_FEE_INCONSISTENT"] = 1453] = "EXCHANGE_TRANSFERS_GET_WIRE_FEE_INCONSISTENT";
+    /**
+     * The exchange knows literally nothing about the coin we were asked to refund. But without a transaction history, we cannot issue a refund. This is kind-of OK, the owner should just refresh it directly without executing the refund.
+     * Returned with an HTTP status code of #MHD_HTTP_NOT_FOUND (404).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_REFUND_COIN_NOT_FOUND"] = 1500] = "EXCHANGE_REFUND_COIN_NOT_FOUND";
+    /**
+     * We could not process the refund request as the coin's transaction history does not permit the requested refund because then refunds would exceed the deposit amount.  The "history" in the response proves this.
+     * Returned with an HTTP status code of #MHD_HTTP_CONFLICT (409).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_REFUND_CONFLICT_DEPOSIT_INSUFFICIENT"] = 1501] = "EXCHANGE_REFUND_CONFLICT_DEPOSIT_INSUFFICIENT";
+    /**
+     * The exchange knows about the coin we were asked to refund, but not about the specific /deposit operation.  Hence, we cannot issue a refund (as we do not know if this merchant public key is authorized to do a refund).
+     * Returned with an HTTP status code of #MHD_HTTP_NOT_FOUND (404).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_REFUND_DEPOSIT_NOT_FOUND"] = 1502] = "EXCHANGE_REFUND_DEPOSIT_NOT_FOUND";
+    /**
+     * The exchange can no longer refund the customer/coin as the money was already transferred (paid out) to the merchant. (It should be past the refund deadline.)
+     * Returned with an HTTP status code of #MHD_HTTP_GONE (410).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_REFUND_MERCHANT_ALREADY_PAID"] = 1503] = "EXCHANGE_REFUND_MERCHANT_ALREADY_PAID";
+    /**
+     * The refund fee specified for the request is lower than the refund fee charged by the exchange for the given denomination key of the refunded coin.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_REFUND_FEE_TOO_LOW"] = 1504] = "EXCHANGE_REFUND_FEE_TOO_LOW";
+    /**
+     * The refunded amount is smaller than the refund fee, which would result in a negative refund.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_REFUND_FEE_ABOVE_AMOUNT"] = 1505] = "EXCHANGE_REFUND_FEE_ABOVE_AMOUNT";
+    /**
+     * The signature of the merchant is invalid.
+     * Returned with an HTTP status code of #MHD_HTTP_FORBIDDEN (403).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_REFUND_MERCHANT_SIGNATURE_INVALID"] = 1506] = "EXCHANGE_REFUND_MERCHANT_SIGNATURE_INVALID";
+    /**
+     * Merchant backend failed to create the refund confirmation signature.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_REFUND_MERCHANT_SIGNING_FAILED"] = 1507] = "EXCHANGE_REFUND_MERCHANT_SIGNING_FAILED";
+    /**
+     * The signature returned by the exchange in a refund request was malformed.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_REFUND_INVALID_SIGNATURE_BY_EXCHANGE"] = 1508] = "EXCHANGE_REFUND_INVALID_SIGNATURE_BY_EXCHANGE";
+    /**
+     * The failure proof returned by the exchange is incorrect.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_REFUND_INVALID_FAILURE_PROOF_BY_EXCHANGE"] = 1509] = "EXCHANGE_REFUND_INVALID_FAILURE_PROOF_BY_EXCHANGE";
+    /**
+     * Conflicting refund granted before with different amount but same refund transaction ID.
+     * Returned with an HTTP status code of #MHD_HTTP_FAILED_DEPENDENCY (424).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_REFUND_INCONSISTENT_AMOUNT"] = 1510] = "EXCHANGE_REFUND_INCONSISTENT_AMOUNT";
+    /**
+     * The given coin signature is invalid for the request.
+     * Returned with an HTTP status code of #MHD_HTTP_FORBIDDEN (403).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_RECOUP_SIGNATURE_INVALID"] = 1550] = "EXCHANGE_RECOUP_SIGNATURE_INVALID";
+    /**
+     * The exchange could not find the corresponding withdraw operation. The request is denied.
+     * Returned with an HTTP status code of #MHD_HTTP_NOT_FOUND (404).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_RECOUP_WITHDRAW_NOT_FOUND"] = 1551] = "EXCHANGE_RECOUP_WITHDRAW_NOT_FOUND";
+    /**
+     * The coin's remaining balance is zero.  The request is denied.
+     * Returned with an HTTP status code of #MHD_HTTP_FORBIDDEN (403).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_RECOUP_COIN_BALANCE_ZERO"] = 1552] = "EXCHANGE_RECOUP_COIN_BALANCE_ZERO";
+    /**
+     * The exchange failed to reproduce the coin's blinding.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_RECOUP_BLINDING_FAILED"] = 1553] = "EXCHANGE_RECOUP_BLINDING_FAILED";
+    /**
+     * The coin's remaining balance is zero.  The request is denied.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_RECOUP_COIN_BALANCE_NEGATIVE"] = 1554] = "EXCHANGE_RECOUP_COIN_BALANCE_NEGATIVE";
+    /**
+     * This exchange does not allow clients to request /keys for times other than the current (exchange) time.
+     * Returned with an HTTP status code of #MHD_HTTP_FORBIDDEN (403).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_KEYS_TIMETRAVEL_FORBIDDEN"] = 1600] = "EXCHANGE_KEYS_TIMETRAVEL_FORBIDDEN";
+    /**
+     * A signature in the server's response was malformed.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["EXCHANGE_WIRE_SIGNATURE_INVALID"] = 1650] = "EXCHANGE_WIRE_SIGNATURE_INVALID";
+    /**
+     * The backend could not find the merchant instance specified in the request.
+     * Returned with an HTTP status code of #MHD_HTTP_NOT_FOUND (404).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_GENERIC_INSTANCE_UNKNOWN"] = 2000] = "MERCHANT_GENERIC_INSTANCE_UNKNOWN";
+    /**
+     * The start and end-times in the wire fee structure leave a hole. This is not allowed.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_GENERIC_HOLE_IN_WIRE_FEE_STRUCTURE"] = 2001] = "MERCHANT_GENERIC_HOLE_IN_WIRE_FEE_STRUCTURE";
+    /**
+     * The reserve key of given to a /reserves/ handler was malformed.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_GENERIC_RESERVE_PUB_MALFORMED"] = 2002] = "MERCHANT_GENERIC_RESERVE_PUB_MALFORMED";
+    /**
+     * The backend could not locate a required template to generate an HTML reply.
+     * Returned with an HTTP status code of #MHD_HTTP_NOT_ACCEPTABLE (406).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_GENERIC_FAILED_TO_LOAD_TEMPLATE"] = 2003] = "MERCHANT_GENERIC_FAILED_TO_LOAD_TEMPLATE";
+    /**
+     * The backend could not expand the template to generate an HTML reply.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_GENERIC_FAILED_TO_EXPAND_TEMPLATE"] = 2004] = "MERCHANT_GENERIC_FAILED_TO_EXPAND_TEMPLATE";
+    /**
+     * The proposal is not known to the backend.
+     * Returned with an HTTP status code of #MHD_HTTP_NOT_FOUND (404).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_GENERIC_ORDER_UNKNOWN"] = 2005] = "MERCHANT_GENERIC_ORDER_UNKNOWN";
+    /**
+     * The order provided to the backend could not be completed, because a product to be completed via inventory data is not actually in our inventory.
+     * Returned with an HTTP status code of #MHD_HTTP_NOT_FOUND (404).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_GENERIC_PRODUCT_UNKNOWN"] = 2006] = "MERCHANT_GENERIC_PRODUCT_UNKNOWN";
+    /**
+     * The tip ID is unknown.  This could happen if the tip has expired.
+     * Returned with an HTTP status code of #MHD_HTTP_NOT_FOUND (404).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_GENERIC_TIP_ID_UNKNOWN"] = 2007] = "MERCHANT_GENERIC_TIP_ID_UNKNOWN";
+    /**
+     * The contract obtained from the merchant backend was malformed.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_GENERIC_DB_CONTRACT_CONTENT_INVALID"] = 2008] = "MERCHANT_GENERIC_DB_CONTRACT_CONTENT_INVALID";
+    /**
+     * The order we found does not match the provided contract hash.
+     * Returned with an HTTP status code of #MHD_HTTP_FORBIDDEN (403).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_GENERIC_CONTRACT_HASH_DOES_NOT_MATCH_ORDER"] = 2009] = "MERCHANT_GENERIC_CONTRACT_HASH_DOES_NOT_MATCH_ORDER";
+    /**
+     * The exchange failed to provide a valid response to the merchant's /keys request.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_GATEWAY (502).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_GENERIC_EXCHANGE_KEYS_FAILURE"] = 2010] = "MERCHANT_GENERIC_EXCHANGE_KEYS_FAILURE";
+    /**
+     * The exchange failed to respond to the merchant on time.
+     * Returned with an HTTP status code of #MHD_HTTP_GATEWAY_TIMEOUT (504).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_GENERIC_EXCHANGE_TIMEOUT"] = 2011] = "MERCHANT_GENERIC_EXCHANGE_TIMEOUT";
+    /**
+     * The merchant failed to talk to the exchange.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_GENERIC_EXCHANGE_CONNECT_FAILURE"] = 2012] = "MERCHANT_GENERIC_EXCHANGE_CONNECT_FAILURE";
+    /**
+     * The exchange returned a maformed response.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_GATEWAY (502).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_GENERIC_EXCHANGE_REPLY_MALFORMED"] = 2013] = "MERCHANT_GENERIC_EXCHANGE_REPLY_MALFORMED";
+    /**
+     * The exchange returned an unexpected response status.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_GATEWAY (502).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_GENERIC_EXCHANGE_UNEXPECTED_STATUS"] = 2014] = "MERCHANT_GENERIC_EXCHANGE_UNEXPECTED_STATUS";
+    /**
+     * The exchange failed to provide a valid answer to the tracking request, thus those details are not in the response.
+     * Returned with an HTTP status code of #MHD_HTTP_OK (200).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_GET_ORDERS_EXCHANGE_TRACKING_FAILURE"] = 2100] = "MERCHANT_GET_ORDERS_EXCHANGE_TRACKING_FAILURE";
+    /**
+     * The merchant backend failed to construct the request for tracking to the exchange, thus tracking details are not in the response.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_GET_ORDERS_ID_EXCHANGE_REQUEST_FAILURE"] = 2103] = "MERCHANT_GET_ORDERS_ID_EXCHANGE_REQUEST_FAILURE";
+    /**
+     * The merchant backend failed trying to contact the exchange for tracking details, thus those details are not in the response.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_GET_ORDERS_ID_EXCHANGE_LOOKUP_START_FAILURE"] = 2104] = "MERCHANT_GET_ORDERS_ID_EXCHANGE_LOOKUP_START_FAILURE";
+    /**
+     * The token used to authenticate the client is invalid for this order.
+     * Returned with an HTTP status code of #MHD_HTTP_FORBIDDEN (403).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_GET_ORDERS_ID_INVALID_TOKEN"] = 2105] = "MERCHANT_GET_ORDERS_ID_INVALID_TOKEN";
+    /**
+     * The exchange responded saying that funds were insufficient (for example, due to double-spending).
+     * Returned with an HTTP status code of #MHD_HTTP_CONFLICT (409).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_POST_ORDERS_ID_PAY_INSUFFICIENT_FUNDS"] = 2150] = "MERCHANT_POST_ORDERS_ID_PAY_INSUFFICIENT_FUNDS";
+    /**
+     * The denomination key used for payment is not listed among the denomination keys of the exchange.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_POST_ORDERS_ID_PAY_DENOMINATION_KEY_NOT_FOUND"] = 2151] = "MERCHANT_POST_ORDERS_ID_PAY_DENOMINATION_KEY_NOT_FOUND";
+    /**
+     * The denomination key used for payment is not audited by an auditor approved by the merchant.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_POST_ORDERS_ID_PAY_DENOMINATION_KEY_AUDITOR_FAILURE"] = 2152] = "MERCHANT_POST_ORDERS_ID_PAY_DENOMINATION_KEY_AUDITOR_FAILURE";
+    /**
+     * There was an integer overflow totaling up the amounts or deposit fees in the payment.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_POST_ORDERS_ID_PAY_AMOUNT_OVERFLOW"] = 2153] = "MERCHANT_POST_ORDERS_ID_PAY_AMOUNT_OVERFLOW";
+    /**
+     * The deposit fees exceed the total value of the payment.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_POST_ORDERS_ID_PAY_FEES_EXCEED_PAYMENT"] = 2154] = "MERCHANT_POST_ORDERS_ID_PAY_FEES_EXCEED_PAYMENT";
+    /**
+     * After considering deposit and wire fees, the payment is insufficient to satisfy the required amount for the contract.  The client should revisit the logic used to calculate fees it must cover.
+     * Returned with an HTTP status code of #MHD_HTTP_NOT_ACCEPTABLE (406).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_POST_ORDERS_ID_PAY_INSUFFICIENT_DUE_TO_FEES"] = 2155] = "MERCHANT_POST_ORDERS_ID_PAY_INSUFFICIENT_DUE_TO_FEES";
+    /**
+     * Even if we do not consider deposit and wire fees, the payment is insufficient to satisfy the required amount for the contract.
+     * Returned with an HTTP status code of #MHD_HTTP_NOT_ACCEPTABLE (406).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_POST_ORDERS_ID_PAY_PAYMENT_INSUFFICIENT"] = 2156] = "MERCHANT_POST_ORDERS_ID_PAY_PAYMENT_INSUFFICIENT";
+    /**
+     * The signature over the contract of one of the coins was invalid.
+     * Returned with an HTTP status code of #MHD_HTTP_FORBIDDEN (403).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_POST_ORDERS_ID_PAY_COIN_SIGNATURE_INVALID"] = 2157] = "MERCHANT_POST_ORDERS_ID_PAY_COIN_SIGNATURE_INVALID";
+    /**
+     * When we tried to find information about the exchange to issue the deposit, we failed.  This usually only happens if the merchant backend is somehow unable to get its own HTTP client logic to work.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_POST_ORDERS_ID_PAY_EXCHANGE_LOOKUP_FAILED"] = 2158] = "MERCHANT_POST_ORDERS_ID_PAY_EXCHANGE_LOOKUP_FAILED";
+    /**
+     * The refund deadline in the contract is after the transfer deadline.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_POST_ORDERS_ID_PAY_REFUND_DEADLINE_PAST_WIRE_TRANSFER_DEADLINE"] = 2159] = "MERCHANT_POST_ORDERS_ID_PAY_REFUND_DEADLINE_PAST_WIRE_TRANSFER_DEADLINE";
+    /**
+     * The payment is too late, the offer has expired.
+     * Returned with an HTTP status code of #MHD_HTTP_GONE (410).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_POST_ORDERS_ID_PAY_OFFER_EXPIRED"] = 2161] = "MERCHANT_POST_ORDERS_ID_PAY_OFFER_EXPIRED";
+    /**
+     * The "merchant" field is missing in the proposal data. This is an internal error as the proposal is from the merchant's own database at this point.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_POST_ORDERS_ID_PAY_MERCHANT_FIELD_MISSING"] = 2162] = "MERCHANT_POST_ORDERS_ID_PAY_MERCHANT_FIELD_MISSING";
+    /**
+     * Failed to locate merchant's account information matching the wire hash given in the proposal.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_POST_ORDERS_ID_PAY_WIRE_HASH_UNKNOWN"] = 2163] = "MERCHANT_POST_ORDERS_ID_PAY_WIRE_HASH_UNKNOWN";
+    /**
+     * The deposit time for the denomination has expired.
+     * Returned with an HTTP status code of #MHD_HTTP_GONE (410).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_POST_ORDERS_ID_PAY_DENOMINATION_DEPOSIT_EXPIRED"] = 2165] = "MERCHANT_POST_ORDERS_ID_PAY_DENOMINATION_DEPOSIT_EXPIRED";
+    /**
+     * The exchange of the deposited coin charges a wire fee that could not be added to the total (total amount too high).
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_POST_ORDERS_ID_PAY_EXCHANGE_WIRE_FEE_ADDITION_FAILED"] = 2166] = "MERCHANT_POST_ORDERS_ID_PAY_EXCHANGE_WIRE_FEE_ADDITION_FAILED";
+    /**
+     * The contract was not fully paid because of refunds. Note that clients MAY treat this as paid if, for example, contracts must be executed despite of refunds.
+     * Returned with an HTTP status code of #MHD_HTTP_PAYMENT_REQUIRED (402).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_POST_ORDERS_ID_PAY_REFUNDED"] = 2167] = "MERCHANT_POST_ORDERS_ID_PAY_REFUNDED";
+    /**
+     * According to our database, we have refunded more than we were paid (which should not be possible).
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_POST_ORDERS_ID_PAY_REFUNDS_EXCEED_PAYMENTS"] = 2168] = "MERCHANT_POST_ORDERS_ID_PAY_REFUNDS_EXCEED_PAYMENTS";
+    /**
+     * Legacy stuff. Remove me with protocol v1.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["DEAD_QQQ_PAY_MERCHANT_POST_ORDERS_ID_ABORT_REFUND_REFUSED_PAYMENT_COMPLETE"] = 2169] = "DEAD_QQQ_PAY_MERCHANT_POST_ORDERS_ID_ABORT_REFUND_REFUSED_PAYMENT_COMPLETE";
+    /**
+     * The payment failed at the exchange.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_GATEWAY (502).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_POST_ORDERS_ID_PAY_EXCHANGE_FAILED"] = 2170] = "MERCHANT_POST_ORDERS_ID_PAY_EXCHANGE_FAILED";
+    /**
+     * The contract hash does not match the given order ID.
+     * Returned with an HTTP status code of #MHD_HTTP_CONFLICT (409).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_POST_ORDERS_ID_PAID_CONTRACT_HASH_MISMATCH"] = 2200] = "MERCHANT_POST_ORDERS_ID_PAID_CONTRACT_HASH_MISMATCH";
+    /**
+     * The signature of the merchant is not valid for the given contract hash.
+     * Returned with an HTTP status code of #MHD_HTTP_FORBIDDEN (403).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_POST_ORDERS_ID_PAID_COIN_SIGNATURE_INVALID"] = 2201] = "MERCHANT_POST_ORDERS_ID_PAID_COIN_SIGNATURE_INVALID";
+    /**
+     * The merchant failed to send the exchange the refund request.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_POST_ORDERS_ID_ABORT_EXCHANGE_REFUND_FAILED"] = 2251] = "MERCHANT_POST_ORDERS_ID_ABORT_EXCHANGE_REFUND_FAILED";
+    /**
+     * The merchant failed to find the exchange to process the lookup.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_POST_ORDERS_ID_ABORT_EXCHANGE_LOOKUP_FAILED"] = 2252] = "MERCHANT_POST_ORDERS_ID_ABORT_EXCHANGE_LOOKUP_FAILED";
+    /**
+     * The merchant could not find the contract.
+     * Returned with an HTTP status code of #MHD_HTTP_NOT_FOUND (404).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_POST_ORDERS_ID_ABORT_CONTRACT_NOT_FOUND"] = 2253] = "MERCHANT_POST_ORDERS_ID_ABORT_CONTRACT_NOT_FOUND";
+    /**
+     * The payment was already completed and thus cannot be aborted anymore.
+     * Returned with an HTTP status code of #MHD_HTTP_PRECONDITION_FAILED (412).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_POST_ORDERS_ID_ABORT_REFUND_REFUSED_PAYMENT_COMPLETE"] = 2254] = "MERCHANT_POST_ORDERS_ID_ABORT_REFUND_REFUSED_PAYMENT_COMPLETE";
+    /**
+     * The hash provided by the wallet does not match the order.
+     * Returned with an HTTP status code of #MHD_HTTP_FORBIDDEN (403).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_POST_ORDERS_ID_ABORT_CONTRACT_HASH_MISSMATCH"] = 2255] = "MERCHANT_POST_ORDERS_ID_ABORT_CONTRACT_HASH_MISSMATCH";
+    /**
+     * The array of coins cannot be empty.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_POST_ORDERS_ID_ABORT_COINS_ARRAY_EMPTY"] = 2256] = "MERCHANT_POST_ORDERS_ID_ABORT_COINS_ARRAY_EMPTY";
+    /**
+     * We could not claim the order because the backend is unaware of it.
+     * Returned with an HTTP status code of #MHD_HTTP_NOT_FOUND (404).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_POST_ORDERS_ID_CLAIM_NOT_FOUND"] = 2300] = "MERCHANT_POST_ORDERS_ID_CLAIM_NOT_FOUND";
+    /**
+     * We could not claim the order because someone else claimed it first.
+     * Returned with an HTTP status code of #MHD_HTTP_CONFLICT (409).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_POST_ORDERS_ID_CLAIM_ALREADY_CLAIMED"] = 2301] = "MERCHANT_POST_ORDERS_ID_CLAIM_ALREADY_CLAIMED";
+    /**
+     * The client-side experienced an internal failure.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_POST_ORDERS_ID_CLAIM_CLIENT_INTERNAL_FAILURE"] = 2302] = "MERCHANT_POST_ORDERS_ID_CLAIM_CLIENT_INTERNAL_FAILURE";
+    /**
+     * The backend failed to sign the refund request.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_POST_ORDERS_ID_REFUND_SIGNATURE_FAILED"] = 2350] = "MERCHANT_POST_ORDERS_ID_REFUND_SIGNATURE_FAILED";
+    /**
+     * The client failed to unblind the signature returned by the merchant.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_TIP_PICKUP_UNBLIND_FAILURE"] = 2400] = "MERCHANT_TIP_PICKUP_UNBLIND_FAILURE";
+    /**
+     * The exchange returned a failure code for the withdraw operation.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_GATEWAY (502).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_TIP_PICKUP_EXCHANGE_ERROR"] = 2403] = "MERCHANT_TIP_PICKUP_EXCHANGE_ERROR";
+    /**
+     * The merchant failed to add up the amounts to compute the pick up value.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_TIP_PICKUP_SUMMATION_FAILED"] = 2404] = "MERCHANT_TIP_PICKUP_SUMMATION_FAILED";
+    /**
+     * The tip expired.
+     * Returned with an HTTP status code of #MHD_HTTP_GONE (410).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_TIP_PICKUP_HAS_EXPIRED"] = 2405] = "MERCHANT_TIP_PICKUP_HAS_EXPIRED";
+    /**
+     * The requested withdraw amount exceeds the amount remaining to be picked up.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_TIP_PICKUP_AMOUNT_EXCEEDS_TIP_REMAINING"] = 2406] = "MERCHANT_TIP_PICKUP_AMOUNT_EXCEEDS_TIP_REMAINING";
+    /**
+     * The merchant did not find the specified denomination key in the exchange's key set.
+     * Returned with an HTTP status code of #MHD_HTTP_CONFLICT (409).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_TIP_PICKUP_DENOMINATION_UNKNOWN"] = 2407] = "MERCHANT_TIP_PICKUP_DENOMINATION_UNKNOWN";
+    /**
+     * The backend lacks a wire transfer method configuration option for the given instance. Thus, this instance is unavailable (not findable for creating new orders).
+     * Returned with an HTTP status code of #MHD_HTTP_NOT_FOUND (404).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_PRIVATE_POST_ORDERS_INSTANCE_CONFIGURATION_LACKS_WIRE"] = 2500] = "MERCHANT_PRIVATE_POST_ORDERS_INSTANCE_CONFIGURATION_LACKS_WIRE";
+    /**
+     * The proposal had no timestamp and the backend failed to obtain the local time. Likely to be an internal error.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_PRIVATE_POST_ORDERS_NO_LOCALTIME"] = 2501] = "MERCHANT_PRIVATE_POST_ORDERS_NO_LOCALTIME";
+    /**
+     * The order provided to the backend could not be parsed, some required fields were missing or ill-formed.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_PRIVATE_POST_ORDERS_PROPOSAL_PARSE_ERROR"] = 2502] = "MERCHANT_PRIVATE_POST_ORDERS_PROPOSAL_PARSE_ERROR";
+    /**
+     * The backend encountered an error: the proposal already exists.
+     * Returned with an HTTP status code of #MHD_HTTP_CONFLICT (409).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_PRIVATE_POST_ORDERS_ALREADY_EXISTS"] = 2503] = "MERCHANT_PRIVATE_POST_ORDERS_ALREADY_EXISTS";
+    /**
+     * One of the paths to forget is malformed.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_PRIVATE_PATCH_ORDERS_ID_FORGET_PATH_SYNTAX_INCORRECT"] = 2510] = "MERCHANT_PRIVATE_PATCH_ORDERS_ID_FORGET_PATH_SYNTAX_INCORRECT";
+    /**
+     * One of the paths to forget was not marked as forgettable.
+     * Returned with an HTTP status code of #MHD_HTTP_CONFLICT (409).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_PRIVATE_PATCH_ORDERS_ID_FORGET_PATH_NOT_FORGETTABLE"] = 2511] = "MERCHANT_PRIVATE_PATCH_ORDERS_ID_FORGET_PATH_NOT_FORGETTABLE";
+    /**
+     * The order provided to the backend could not be deleted, our offer is still valid and awaiting payment.
+     * Returned with an HTTP status code of #MHD_HTTP_CONFLICT (409).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_PRIVATE_DELETE_ORDERS_AWAITING_PAYMENT"] = 2520] = "MERCHANT_PRIVATE_DELETE_ORDERS_AWAITING_PAYMENT";
+    /**
+     * The amount to be refunded is inconsistent: either is lower than the previous amount being awarded, or it is too big to be paid back. In this second case, the fault stays on the business dept. side.
+     * Returned with an HTTP status code of #MHD_HTTP_CONFLICT (409).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_PRIVATE_POST_ORDERS_ID_REFUND_INCONSISTENT_AMOUNT"] = 2530] = "MERCHANT_PRIVATE_POST_ORDERS_ID_REFUND_INCONSISTENT_AMOUNT";
+    /**
+     * The frontend gave an unpaid order id to issue the refund to.
+     * Returned with an HTTP status code of #MHD_HTTP_CONFLICT (409).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_PRIVATE_POST_ORDERS_ID_REFUND_ORDER_UNPAID"] = 2531] = "MERCHANT_PRIVATE_POST_ORDERS_ID_REFUND_ORDER_UNPAID";
+    /**
+     * The refund delay was set to 0 and thus no refunds are allowed for this order.
+     * Returned with an HTTP status code of #MHD_HTTP_FORBIDDEN (403).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_PRIVATE_POST_ORDERS_ID_REFUND_NOT_ALLOWED_BY_CONTRACT"] = 2532] = "MERCHANT_PRIVATE_POST_ORDERS_ID_REFUND_NOT_ALLOWED_BY_CONTRACT";
+    /**
+     * We internally failed to execute the /track/transfer request.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_PRIVATE_POST_TRANSFERS_REQUEST_ERROR"] = 2551] = "MERCHANT_PRIVATE_POST_TRANSFERS_REQUEST_ERROR";
+    /**
+     * The exchange gave conflicting information about a coin which has been wire transferred.
+     * Returned with an HTTP status code of #MHD_HTTP_CONFLICT (409).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_PRIVATE_POST_TRANSFERS_CONFLICTING_REPORTS"] = 2553] = "MERCHANT_PRIVATE_POST_TRANSFERS_CONFLICTING_REPORTS";
+    /**
+     * The exchange charged a different wire fee than what it originally advertised, and it is higher.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_GATEWAY (502).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_PRIVATE_POST_TRANSFERS_BAD_WIRE_FEE"] = 2554] = "MERCHANT_PRIVATE_POST_TRANSFERS_BAD_WIRE_FEE";
+    /**
+     * We did not find the account that the transfer was made to.
+     * Returned with an HTTP status code of #MHD_HTTP_NOT_FOUND (404).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_PRIVATE_POST_TRANSFERS_ACCOUNT_NOT_FOUND"] = 2555] = "MERCHANT_PRIVATE_POST_TRANSFERS_ACCOUNT_NOT_FOUND";
+    /**
+     * The merchant backend cannot create an instance under the given identifier as one already exists. Use PATCH to modify the existing entry.
+     * Returned with an HTTP status code of #MHD_HTTP_CONFLICT (409).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_PRIVATE_POST_INSTANCES_ALREADY_EXISTS"] = 2600] = "MERCHANT_PRIVATE_POST_INSTANCES_ALREADY_EXISTS";
+    /**
+     * The product ID exists.
+     * Returned with an HTTP status code of #MHD_HTTP_CONFLICT (409).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_PRIVATE_POST_PRODUCTS_CONFLICT_PRODUCT_EXISTS"] = 2650] = "MERCHANT_PRIVATE_POST_PRODUCTS_CONFLICT_PRODUCT_EXISTS";
+    /**
+     * The update would have reduced the total amount of product lost, which is not allowed.
+     * Returned with an HTTP status code of #MHD_HTTP_CONFLICT (409).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_PRIVATE_PATCH_PRODUCTS_TOTAL_LOST_REDUCED"] = 2660] = "MERCHANT_PRIVATE_PATCH_PRODUCTS_TOTAL_LOST_REDUCED";
+    /**
+     * The update would have mean that more stocks were lost than what remains from total inventory after sales, which is not allowed.
+     * Returned with an HTTP status code of #MHD_HTTP_CONFLICT (409).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_PRIVATE_PATCH_PRODUCTS_TOTAL_LOST_EXCEEDS_STOCKS"] = 2661] = "MERCHANT_PRIVATE_PATCH_PRODUCTS_TOTAL_LOST_EXCEEDS_STOCKS";
+    /**
+     * The update would have reduced the total amount of product in stock, which is not allowed.
+     * Returned with an HTTP status code of #MHD_HTTP_CONFLICT (409).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_PRIVATE_PATCH_PRODUCTS_TOTAL_STOCKED_REDUCED"] = 2662] = "MERCHANT_PRIVATE_PATCH_PRODUCTS_TOTAL_STOCKED_REDUCED";
+    /**
+     * The lock request is for more products than we have left (unlocked) in stock.
+     * Returned with an HTTP status code of #MHD_HTTP_GONE (410).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_PRIVATE_POST_PRODUCTS_LOCK_INSUFFICIENT_STOCKS"] = 2670] = "MERCHANT_PRIVATE_POST_PRODUCTS_LOCK_INSUFFICIENT_STOCKS";
+    /**
+     * The deletion request is for a product that is locked.
+     * Returned with an HTTP status code of #MHD_HTTP_CONFLICT (409).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_PRIVATE_DELETE_PRODUCTS_CONFLICTING_LOCK"] = 2680] = "MERCHANT_PRIVATE_DELETE_PRODUCTS_CONFLICTING_LOCK";
+    /**
+     * The requested wire method is not supported by the exchange.
+     * Returned with an HTTP status code of #MHD_HTTP_CONFLICT (409).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_PRIVATE_POST_RESERVES_UNSUPPORTED_WIRE_METHOD"] = 2700] = "MERCHANT_PRIVATE_POST_RESERVES_UNSUPPORTED_WIRE_METHOD";
+    /**
+     * The reserve could not be deleted because it is unknown.
+     * Returned with an HTTP status code of #MHD_HTTP_NOT_FOUND (404).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_PRIVATE_DELETE_RESERVES_NO_SUCH_RESERVE"] = 2710] = "MERCHANT_PRIVATE_DELETE_RESERVES_NO_SUCH_RESERVE";
+    /**
+     * The reserve that was used to fund the tips has expired.
+     * Returned with an HTTP status code of #MHD_HTTP_GONE (410).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_PRIVATE_POST_TIP_AUTHORIZE_RESERVE_EXPIRED"] = 2750] = "MERCHANT_PRIVATE_POST_TIP_AUTHORIZE_RESERVE_EXPIRED";
+    /**
+     * The reserve that was used to fund the tips was not found in the DB.
+     * Returned with an HTTP status code of #MHD_HTTP_SERVICE_UNAVAILABLE (503).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_PRIVATE_POST_TIP_AUTHORIZE_RESERVE_UNKNOWN"] = 2751] = "MERCHANT_PRIVATE_POST_TIP_AUTHORIZE_RESERVE_UNKNOWN";
+    /**
+     * The backend knows the instance that was supposed to support the tip, and it was configured for tipping. However, the funds remaining are insufficient to cover the tip, and the merchant should top up the reserve.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_PRIVATE_POST_TIP_AUTHORIZE_INSUFFICIENT_FUNDS"] = 2752] = "MERCHANT_PRIVATE_POST_TIP_AUTHORIZE_INSUFFICIENT_FUNDS";
+    /**
+     * The backend failed to find a reserve needed to authorize the tip.
+     * Returned with an HTTP status code of #MHD_HTTP_SERVICE_UNAVAILABLE (503).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_PRIVATE_POST_TIP_AUTHORIZE_RESERVE_NOT_FOUND"] = 2753] = "MERCHANT_PRIVATE_POST_TIP_AUTHORIZE_RESERVE_NOT_FOUND";
+    /**
+     * The merchant backend encountered a failure in computing the deposit total.
+     * Returned with an HTTP status code of #MHD_HTTP_OK (200).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["MERCHANT_PRIVATE_GET_ORDERS_ID_AMOUNT_ARITHMETIC_FAILURE"] = 2800] = "MERCHANT_PRIVATE_GET_ORDERS_ID_AMOUNT_ARITHMETIC_FAILURE";
+    /**
+     * The signature from the exchange on the deposit confirmation is invalid.
+     * Returned with an HTTP status code of #MHD_HTTP_FORBIDDEN (403).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["AUDITOR_DEPOSIT_CONFIRMATION_SIGNATURE_INVALID"] = 3100] = "AUDITOR_DEPOSIT_CONFIRMATION_SIGNATURE_INVALID";
+    /**
+     * Wire transfer attempted with credit and debit party being the same bank account.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["BANK_SAME_ACCOUNT"] = 5101] = "BANK_SAME_ACCOUNT";
+    /**
+     * Wire transfer impossible, due to financial limitation of the party that attempted the payment.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["BANK_UNALLOWED_DEBIT"] = 5102] = "BANK_UNALLOWED_DEBIT";
+    /**
+     * Negative number was used (as value and/or fraction) to initiate a Amount object.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["BANK_NEGATIVE_NUMBER_AMOUNT"] = 5103] = "BANK_NEGATIVE_NUMBER_AMOUNT";
+    /**
+     * A number too big was used (as value and/or fraction) to initiate a amount object.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["BANK_NUMBER_TOO_BIG"] = 5104] = "BANK_NUMBER_TOO_BIG";
+    /**
+     * Could not login for the requested operation.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["BANK_LOGIN_FAILED"] = 5105] = "BANK_LOGIN_FAILED";
+    /**
+     * The bank account referenced in the requested operation was not found. Returned along "400 Not found".
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["BANK_UNKNOWN_ACCOUNT"] = 5106] = "BANK_UNKNOWN_ACCOUNT";
+    /**
+     * The transaction referenced in the requested operation (typically a reject operation), was not found.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["BANK_TRANSACTION_NOT_FOUND"] = 5107] = "BANK_TRANSACTION_NOT_FOUND";
+    /**
+     * Bank received a malformed amount string.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["BANK_BAD_FORMAT_AMOUNT"] = 5108] = "BANK_BAD_FORMAT_AMOUNT";
+    /**
+     * The client does not own the account credited by the transaction which is to be rejected, so it has no rights do reject it.  To be returned along HTTP 403 Forbidden.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["BANK_REJECT_NO_RIGHTS"] = 5109] = "BANK_REJECT_NO_RIGHTS";
+    /**
+     * This error code is returned when no known exception types captured the exception, and comes along with a 500 Internal Server Error.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["BANK_UNMANAGED_EXCEPTION"] = 5110] = "BANK_UNMANAGED_EXCEPTION";
+    /**
+     * This error code is used for all those exceptions that do not really need a specific error code to return to the client, but need to signal the middleware that the bank is not responding with 500 Internal Server Error.  Used for example when a client is trying to register with a unavailable username.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["BANK_SOFT_EXCEPTION"] = 5111] = "BANK_SOFT_EXCEPTION";
+    /**
+     * The request UID for a request to transfer funds has already been used, but with different details for the transfer.
+     * Returned with an HTTP status code of #MHD_HTTP_CONFLICT (409).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["BANK_TRANSFER_REQUEST_UID_REUSED"] = 5112] = "BANK_TRANSFER_REQUEST_UID_REUSED";
+    /**
+     * The withdrawal operation already has a reserve selected.  The current request conflicts with the existing selection.
+     * Returned with an HTTP status code of #MHD_HTTP_CONFLICT (409).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["BANK_WITHDRAWAL_OPERATION_RESERVE_SELECTION_CONFLICT"] = 5113] = "BANK_WITHDRAWAL_OPERATION_RESERVE_SELECTION_CONFLICT";
+    /**
+     * The sync service failed find the account in its database.
+     * Returned with an HTTP status code of #MHD_HTTP_NOT_FOUND (404).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["SYNC_ACCOUNT_UNKNOWN"] = 6100] = "SYNC_ACCOUNT_UNKNOWN";
+    /**
+     * The SHA-512 hash provided in the If-None-Match header is malformed.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["SYNC_BAD_IF_NONE_MATCH"] = 6101] = "SYNC_BAD_IF_NONE_MATCH";
+    /**
+     * The SHA-512 hash provided in the If-Match header is malformed or missing.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["SYNC_BAD_IF_MATCH"] = 6102] = "SYNC_BAD_IF_MATCH";
+    /**
+     * The signature provided in the "Sync-Signature" header is malformed or missing.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["SYNC_BAD_SYNC_SIGNATURE"] = 6103] = "SYNC_BAD_SYNC_SIGNATURE";
+    /**
+     * The signature provided in the "Sync-Signature" header does not match the account, old or new Etags.
+     * Returned with an HTTP status code of #MHD_HTTP_FORBIDDEN (403).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["SYNC_INVALID_SIGNATURE"] = 6104] = "SYNC_INVALID_SIGNATURE";
+    /**
+     * The "Content-length" field for the upload is not a number.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["SYNC_MALFORMED_CONTENT_LENGTH"] = 6105] = "SYNC_MALFORMED_CONTENT_LENGTH";
+    /**
+     * The "Content-length" field for the upload is too big based on the server's terms of service.
+     * Returned with an HTTP status code of #MHD_HTTP_PAYLOAD_TOO_LARGE (413).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["SYNC_EXCESSIVE_CONTENT_LENGTH"] = 6106] = "SYNC_EXCESSIVE_CONTENT_LENGTH";
+    /**
+     * The server is out of memory to handle the upload. Trying again later may succeed.
+     * Returned with an HTTP status code of #MHD_HTTP_PAYLOAD_TOO_LARGE (413).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["SYNC_OUT_OF_MEMORY_ON_CONTENT_LENGTH"] = 6107] = "SYNC_OUT_OF_MEMORY_ON_CONTENT_LENGTH";
+    /**
+     * The uploaded data does not match the Etag.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["SYNC_INVALID_UPLOAD"] = 6108] = "SYNC_INVALID_UPLOAD";
+    /**
+     * HTTP server experienced a timeout while awaiting promised payment.
+     * Returned with an HTTP status code of #MHD_HTTP_REQUEST_TIMEOUT (408).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["SYNC_PAYMENT_GENERIC_TIMEOUT"] = 6109] = "SYNC_PAYMENT_GENERIC_TIMEOUT";
+    /**
+     * Sync could not setup the payment request with its own backend.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["SYNC_PAYMENT_CREATE_BACKEND_ERROR"] = 6110] = "SYNC_PAYMENT_CREATE_BACKEND_ERROR";
+    /**
+     * The sync service failed find the backup to be updated in its database.
+     * Returned with an HTTP status code of #MHD_HTTP_NOT_FOUND (404).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["SYNC_PREVIOUS_BACKUP_UNKNOWN"] = 6111] = "SYNC_PREVIOUS_BACKUP_UNKNOWN";
+    /**
+     * The "Content-length" field for the upload is missing.
+     * Returned with an HTTP status code of #MHD_HTTP_BAD_REQUEST (400).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["SYNC_MISSING_CONTENT_LENGTH"] = 6112] = "SYNC_MISSING_CONTENT_LENGTH";
+    /**
+     * The wallet does not implement a version of the exchange protocol that is compatible with the protocol version of the exchange.
+     * Returned with an HTTP status code of #MHD_HTTP_NOT_IMPLEMENTED (501).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["WALLET_EXCHANGE_PROTOCOL_VERSION_INCOMPATIBLE"] = 7000] = "WALLET_EXCHANGE_PROTOCOL_VERSION_INCOMPATIBLE";
+    /**
+     * The wallet encountered an unexpected exception.  This is likely a bug in the wallet implementation.
+     * Returned with an HTTP status code of #MHD_HTTP_INTERNAL_SERVER_ERROR (500).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["WALLET_UNEXPECTED_EXCEPTION"] = 7001] = "WALLET_UNEXPECTED_EXCEPTION";
+    /**
+     * The wallet received a response from a server, but the response can't be parsed.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["WALLET_RECEIVED_MALFORMED_RESPONSE"] = 7002] = "WALLET_RECEIVED_MALFORMED_RESPONSE";
+    /**
+     * The wallet tried to make a network request, but it received no response.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["WALLET_NETWORK_ERROR"] = 7003] = "WALLET_NETWORK_ERROR";
+    /**
+     * The wallet tried to make a network request, but it was throttled.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["WALLET_HTTP_REQUEST_THROTTLED"] = 7004] = "WALLET_HTTP_REQUEST_THROTTLED";
+    /**
+     * The wallet made a request to a service, but received an error response it does not know how to handle.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["WALLET_UNEXPECTED_REQUEST_ERROR"] = 7005] = "WALLET_UNEXPECTED_REQUEST_ERROR";
+    /**
+     * The denominations offered by the exchange are insufficient.  Likely the exchange is badly configured or not maintained.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["WALLET_EXCHANGE_DENOMINATIONS_INSUFFICIENT"] = 7006] = "WALLET_EXCHANGE_DENOMINATIONS_INSUFFICIENT";
+    /**
+     * The wallet does not support the operation requested by a client.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["WALLET_CORE_API_OPERATION_UNKNOWN"] = 7007] = "WALLET_CORE_API_OPERATION_UNKNOWN";
+    /**
+     * The given taler://pay URI is invalid.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["WALLET_INVALID_TALER_PAY_URI"] = 7008] = "WALLET_INVALID_TALER_PAY_URI";
+    /**
+     * The signature on a coin by the exchange's denomination key is invalid after unblinding it.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["WALLET_EXCHANGE_COIN_SIGNATURE_INVALID"] = 7009] = "WALLET_EXCHANGE_COIN_SIGNATURE_INVALID";
+    /**
+     * The exchange does not know about the reserve (yet), and thus withdrawal can't progress.
+     * Returned with an HTTP status code of #MHD_HTTP_NOT_FOUND (404).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["WALLET_EXCHANGE_WITHDRAW_RESERVE_UNKNOWN_AT_EXCHANGE"] = 7010] = "WALLET_EXCHANGE_WITHDRAW_RESERVE_UNKNOWN_AT_EXCHANGE";
+    /**
+     * The wallet core service is not available.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["WALLET_CORE_NOT_AVAILABLE"] = 7011] = "WALLET_CORE_NOT_AVAILABLE";
+    /**
+     * The bank has aborted a withdrawal operation, and thus a withdrawal can't complete.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["WALLET_WITHDRAWAL_OPERATION_ABORTED_BY_BANK"] = 7012] = "WALLET_WITHDRAWAL_OPERATION_ABORTED_BY_BANK";
+    /**
+     * An HTTP request made by the wallet timed out.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["WALLET_HTTP_REQUEST_GENERIC_TIMEOUT"] = 7013] = "WALLET_HTTP_REQUEST_GENERIC_TIMEOUT";
+    /**
+     * The order has already been claimed by another wallet.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["WALLET_ORDER_ALREADY_CLAIMED"] = 7014] = "WALLET_ORDER_ALREADY_CLAIMED";
+    /**
+     * A group of withdrawal operations (typically for the same reserve at the same exchange) has errors and will be tried again later.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["WALLET_WITHDRAWAL_GROUP_INCOMPLETE"] = 7015] = "WALLET_WITHDRAWAL_GROUP_INCOMPLETE";
+    /**
+     * The signature on a coin by the exchange's denomination key (obtained through the merchant via tipping) is invalid after unblinding it.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["WALLET_TIPPING_COIN_SIGNATURE_INVALID"] = 7016] = "WALLET_TIPPING_COIN_SIGNATURE_INVALID";
+    /**
+     * The wallet does not implement a version of the bank integration API that is compatible with the version offered by the bank.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["WALLET_BANK_INTEGRATION_PROTOCOL_VERSION_INCOMPATIBLE"] = 7017] = "WALLET_BANK_INTEGRATION_PROTOCOL_VERSION_INCOMPATIBLE";
+    /**
+     * The wallet processed a taler://pay URI, but the merchant base URL in the downloaded contract terms does not match the merchant base URL derived from the URI.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["WALLET_CONTRACT_TERMS_BASE_URL_MISMATCH"] = 7018] = "WALLET_CONTRACT_TERMS_BASE_URL_MISMATCH";
+    /**
+     * The merchant's signature on the contract terms is invalid.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["WALLET_CONTRACT_TERMS_SIGNATURE_INVALID"] = 7019] = "WALLET_CONTRACT_TERMS_SIGNATURE_INVALID";
+    /**
+     * The given action is invalid for the current state of the reducer.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["ANASTASIS_REDUCER_ACTION_INVALID"] = 8000] = "ANASTASIS_REDUCER_ACTION_INVALID";
+    /**
+     * End of error code range.
+     * Returned with an HTTP status code of #MHD_HTTP_UNINITIALIZED (0).
+     * (A value of 0 indicates that the error is generated client-side).
+     */
+    TalerErrorCode[TalerErrorCode["END"] = 9999] = "END";
+})(TalerErrorCode || (TalerErrorCode = {}));
+
+/*
+ This file is part of GNU Taler
+ (C) 2019-2020 Taler Systems SA
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+/**
+ * This exception is there to let the caller know that an error happened,
+ * but the error has already been reported by writing it to the database.
+ */
+class OperationFailedAndReportedError extends Error {
+    constructor(operationError) {
+        super(operationError.message);
+        this.operationError = operationError;
+        // Set the prototype explicitly.
+        Object.setPrototypeOf(this, OperationFailedAndReportedError.prototype);
+    }
+    static fromCode(ec, message, details) {
+        return new OperationFailedAndReportedError(makeErrorDetails(ec, message, details));
+    }
+}
+/**
+ * This exception is thrown when an error occured and the caller is
+ * responsible for recording the failure in the database.
+ */
+class OperationFailedError extends Error {
+    constructor(operationError) {
+        super(operationError.message);
+        this.operationError = operationError;
+        // Set the prototype explicitly.
+        Object.setPrototypeOf(this, OperationFailedError.prototype);
+    }
+    static fromCode(ec, message, details) {
+        return new OperationFailedError(makeErrorDetails(ec, message, details));
+    }
+}
+function makeErrorDetails(ec, message, details) {
+    return {
+        code: ec,
+        hint: `Error: ${TalerErrorCode[ec]}`,
+        details: details,
+        message,
+    };
+}
+/**
+ * Run an operation and call the onOpError callback
+ * when there was an exception or operation error that must be reported.
+ * The cause will be re-thrown to the caller.
+ */
+function guardOperationException(op, onOpError) {
+    return __awaiter(this, void 0, void 0, function* () {
+        try {
+            return yield op();
+        }
+        catch (e) {
+            if (e instanceof OperationFailedAndReportedError) {
+                throw e;
+            }
+            if (e instanceof OperationFailedError) {
+                yield onOpError(e.operationError);
+                throw new OperationFailedAndReportedError(e.operationError);
+            }
+            if (e instanceof Error) {
+                const opErr = makeErrorDetails(TalerErrorCode.WALLET_UNEXPECTED_EXCEPTION, `unexpected exception (message: ${e.message})`, {
+                    stack: e.stack,
+                });
+                yield onOpError(opErr);
+                throw new OperationFailedAndReportedError(opErr);
+            }
+            // Something was thrown that is not even an exception!
+            // Try to stringify it.
+            let excString;
+            try {
+                excString = e.toString();
+            }
+            catch (e) {
+                // Something went horribly wrong.
+                excString = "can't stringify exception";
+            }
+            const opErr = makeErrorDetails(TalerErrorCode.WALLET_UNEXPECTED_EXCEPTION, `unexpected exception (not an exception, ${excString})`, {});
+            yield onOpError(opErr);
+            throw new OperationFailedAndReportedError(opErr);
+        }
+    });
+}
+
+/*
+ This file is part of GNU Taler
+ (C) 2019 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+/**
+ * Protocol version spoken with the exchange.
+ *
+ * Uses libtool's current:revision:age versioning.
+ */
+const WALLET_EXCHANGE_PROTOCOL_VERSION = "9:0:0";
+/**
+ * Protocol version spoken with the merchant.
+ *
+ * Uses libtool's current:revision:age versioning.
+ */
+const WALLET_MERCHANT_PROTOCOL_VERSION = "1:0:0";
+/**
+ * Protocol version spoken with the merchant.
+ *
+ * Uses libtool's current:revision:age versioning.
+ */
+const WALLET_BANK_INTEGRATION_PROTOCOL_VERSION = "0:0:0";
+/**
+ * Cache breaker that is appended to queries such as /keys and /wire
+ * to break through caching, if it has been accidentally/badly configured
+ * by the exchange.
+ *
+ * This is only a temporary measure.
+ */
+const WALLET_CACHE_BREAKER_CLIENT_VERSION = "3";
+
+/*
+ This file is part of TALER
+ (C) 2017 GNUnet e.V.
+
+ TALER is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+/**
+ * Compare two libtool-style version strings.
+ */
+function compare(me, other) {
+    const meVer = parseVersion(me);
+    const otherVer = parseVersion(other);
+    if (!(meVer && otherVer)) {
+        return undefined;
+    }
+    const compatible = meVer.current - meVer.age <= otherVer.current &&
+        meVer.current >= otherVer.current - otherVer.age;
+    const currentCmp = Math.sign(meVer.current - otherVer.current);
+    return { compatible, currentCmp };
+}
+function parseVersion(v) {
+    const [currentStr, revisionStr, ageStr, ...rest] = v.split(":");
+    if (rest.length !== 0) {
+        return undefined;
+    }
+    const current = Number.parseInt(currentStr);
+    const revision = Number.parseInt(revisionStr);
+    const age = Number.parseInt(ageStr);
+    if (Number.isNaN(current)) {
+        return undefined;
+    }
+    if (Number.isNaN(revision)) {
+        return undefined;
+    }
+    if (Number.isNaN(age)) {
+        return undefined;
+    }
+    return { current, revision, age };
+}
+
+/*
+ This file is part of GNU Taler
+ (C) 2019 GNUnet e.V.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+var NotificationType;
+(function (NotificationType) {
+    NotificationType["CoinWithdrawn"] = "coin-withdrawn";
+    NotificationType["ProposalAccepted"] = "proposal-accepted";
+    NotificationType["ProposalDownloaded"] = "proposal-downloaded";
+    NotificationType["RefundsSubmitted"] = "refunds-submitted";
+    NotificationType["RecoupStarted"] = "recoup-started";
+    NotificationType["RecoupFinished"] = "recoup-finished";
+    NotificationType["RefreshRevealed"] = "refresh-revealed";
+    NotificationType["RefreshMelted"] = "refresh-melted";
+    NotificationType["RefreshStarted"] = "refresh-started";
+    NotificationType["RefreshUnwarranted"] = "refresh-unwarranted";
+    NotificationType["ReserveUpdated"] = "reserve-updated";
+    NotificationType["ReserveConfirmed"] = "reserve-confirmed";
+    NotificationType["ReserveCreated"] = "reserve-created";
+    NotificationType["WithdrawGroupCreated"] = "withdraw-group-created";
+    NotificationType["WithdrawGroupFinished"] = "withdraw-group-finished";
+    NotificationType["WaitingForRetry"] = "waiting-for-retry";
+    NotificationType["RefundStarted"] = "refund-started";
+    NotificationType["RefundQueried"] = "refund-queried";
+    NotificationType["RefundFinished"] = "refund-finished";
+    NotificationType["ExchangeOperationError"] = "exchange-operation-error";
+    NotificationType["RefreshOperationError"] = "refresh-operation-error";
+    NotificationType["RecoupOperationError"] = "recoup-operation-error";
+    NotificationType["RefundApplyOperationError"] = "refund-apply-error";
+    NotificationType["RefundStatusOperationError"] = "refund-status-error";
+    NotificationType["ProposalOperationError"] = "proposal-error";
+    NotificationType["TipOperationError"] = "tip-error";
+    NotificationType["PayOperationError"] = "pay-error";
+    NotificationType["PayOperationSuccess"] = "pay-operation-success";
+    NotificationType["WithdrawOperationError"] = "withdraw-error";
+    NotificationType["ReserveNotYetFound"] = "reserve-not-yet-found";
+    NotificationType["ReserveOperationError"] = "reserve-error";
+    NotificationType["InternalError"] = "internal-error";
+    NotificationType["PendingOperationProcessed"] = "pending-operation-processed";
+    NotificationType["ProposalRefused"] = "proposal-refused";
+    NotificationType["ReserveRegisteredWithBank"] = "reserve-registered-with-bank";
+    NotificationType["DepositOperationError"] = "deposit-operation-error";
+})(NotificationType || (NotificationType = {}));
+
+/*
+ This file is part of GNU Taler
+ (C) 2019 GNUnet e.V.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+function assertUnreachable(x) {
+    throw new Error("Didn't expect to get here");
+}
+
+// Ported in 2014 by Dmitry Chestnykh and Devi Mandiri.
+// TypeScript port in 2019 by Florian Dold.
+// Public domain.
+//
+// Implementation derived from TweetNaCl version 20140427.
+// See for details: http://tweetnacl.cr.yp.to/
+const gf = function (init = []) {
+    const r = new Float64Array(16);
+    if (init)
+        for (let i = 0; i < init.length; i++)
+            r[i] = init[i];
+    return r;
+};
+//  Pluggable, initialized in high-level API below.
+let randombytes = function (x, n) {
+    throw new Error("no PRNG");
+};
+const _9 = new Uint8Array(32);
+_9[0] = 9;
+// prettier-ignore
+const gf0 = gf();
+const gf1 = gf([1]);
+const _121665 = gf([0xdb41, 1]);
+const D = gf([
+    0x78a3,
+    0x1359,
+    0x4dca,
+    0x75eb,
+    0xd8ab,
+    0x4141,
+    0x0a4d,
+    0x0070,
+    0xe898,
+    0x7779,
+    0x4079,
+    0x8cc7,
+    0xfe73,
+    0x2b6f,
+    0x6cee,
+    0x5203,
+]);
+const D2 = gf([
+    0xf159,
+    0x26b2,
+    0x9b94,
+    0xebd6,
+    0xb156,
+    0x8283,
+    0x149a,
+    0x00e0,
+    0xd130,
+    0xeef3,
+    0x80f2,
+    0x198e,
+    0xfce7,
+    0x56df,
+    0xd9dc,
+    0x2406,
+]);
+const X = gf([
+    0xd51a,
+    0x8f25,
+    0x2d60,
+    0xc956,
+    0xa7b2,
+    0x9525,
+    0xc760,
+    0x692c,
+    0xdc5c,
+    0xfdd6,
+    0xe231,
+    0xc0a4,
+    0x53fe,
+    0xcd6e,
+    0x36d3,
+    0x2169,
+]);
+const Y = gf([
+    0x6658,
+    0x6666,
+    0x6666,
+    0x6666,
+    0x6666,
+    0x6666,
+    0x6666,
+    0x6666,
+    0x6666,
+    0x6666,
+    0x6666,
+    0x6666,
+    0x6666,
+    0x6666,
+    0x6666,
+    0x6666,
+]);
+const I = gf([
+    0xa0b0,
+    0x4a0e,
+    0x1b27,
+    0xc4ee,
+    0xe478,
+    0xad2f,
+    0x1806,
+    0x2f43,
+    0xd7a7,
+    0x3dfb,
+    0x0099,
+    0x2b4d,
+    0xdf0b,
+    0x4fc1,
+    0x2480,
+    0x2b83,
+]);
+function ts64(x, i, h, l) {
+    x[i] = (h >> 24) & 0xff;
+    x[i + 1] = (h >> 16) & 0xff;
+    x[i + 2] = (h >> 8) & 0xff;
+    x[i + 3] = h & 0xff;
+    x[i + 4] = (l >> 24) & 0xff;
+    x[i + 5] = (l >> 16) & 0xff;
+    x[i + 6] = (l >> 8) & 0xff;
+    x[i + 7] = l & 0xff;
+}
+function vn(x, xi, y, yi, n) {
+    let i, d = 0;
+    for (i = 0; i < n; i++)
+        d |= x[xi + i] ^ y[yi + i];
+    return (1 & ((d - 1) >>> 8)) - 1;
+}
+function crypto_verify_16(x, xi, y, yi) {
+    return vn(x, xi, y, yi, 16);
+}
+function crypto_verify_32(x, xi, y, yi) {
+    return vn(x, xi, y, yi, 32);
+}
+function core_salsa20(o, p, k, c) {
+    var j0 = (c[0] & 0xff) |
+        ((c[1] & 0xff) << 8) |
+        ((c[2] & 0xff) << 16) |
+        ((c[3] & 0xff) << 24), j1 = (k[0] & 0xff) |
+        ((k[1] & 0xff) << 8) |
+        ((k[2] & 0xff) << 16) |
+        ((k[3] & 0xff) << 24), j2 = (k[4] & 0xff) |
+        ((k[5] & 0xff) << 8) |
+        ((k[6] & 0xff) << 16) |
+        ((k[7] & 0xff) << 24), j3 = (k[8] & 0xff) |
+        ((k[9] & 0xff) << 8) |
+        ((k[10] & 0xff) << 16) |
+        ((k[11] & 0xff) << 24), j4 = (k[12] & 0xff) |
+        ((k[13] & 0xff) << 8) |
+        ((k[14] & 0xff) << 16) |
+        ((k[15] & 0xff) << 24), j5 = (c[4] & 0xff) |
+        ((c[5] & 0xff) << 8) |
+        ((c[6] & 0xff) << 16) |
+        ((c[7] & 0xff) << 24), j6 = (p[0] & 0xff) |
+        ((p[1] & 0xff) << 8) |
+        ((p[2] & 0xff) << 16) |
+        ((p[3] & 0xff) << 24), j7 = (p[4] & 0xff) |
+        ((p[5] & 0xff) << 8) |
+        ((p[6] & 0xff) << 16) |
+        ((p[7] & 0xff) << 24), j8 = (p[8] & 0xff) |
+        ((p[9] & 0xff) << 8) |
+        ((p[10] & 0xff) << 16) |
+        ((p[11] & 0xff) << 24), j9 = (p[12] & 0xff) |
+        ((p[13] & 0xff) << 8) |
+        ((p[14] & 0xff) << 16) |
+        ((p[15] & 0xff) << 24), j10 = (c[8] & 0xff) |
+        ((c[9] & 0xff) << 8) |
+        ((c[10] & 0xff) << 16) |
+        ((c[11] & 0xff) << 24), j11 = (k[16] & 0xff) |
+        ((k[17] & 0xff) << 8) |
+        ((k[18] & 0xff) << 16) |
+        ((k[19] & 0xff) << 24), j12 = (k[20] & 0xff) |
+        ((k[21] & 0xff) << 8) |
+        ((k[22] & 0xff) << 16) |
+        ((k[23] & 0xff) << 24), j13 = (k[24] & 0xff) |
+        ((k[25] & 0xff) << 8) |
+        ((k[26] & 0xff) << 16) |
+        ((k[27] & 0xff) << 24), j14 = (k[28] & 0xff) |
+        ((k[29] & 0xff) << 8) |
+        ((k[30] & 0xff) << 16) |
+        ((k[31] & 0xff) << 24), j15 = (c[12] & 0xff) |
+        ((c[13] & 0xff) << 8) |
+        ((c[14] & 0xff) << 16) |
+        ((c[15] & 0xff) << 24);
+    var x0 = j0, x1 = j1, x2 = j2, x3 = j3, x4 = j4, x5 = j5, x6 = j6, x7 = j7, x8 = j8, x9 = j9, x10 = j10, x11 = j11, x12 = j12, x13 = j13, x14 = j14, x15 = j15, u;
+    for (var i = 0; i < 20; i += 2) {
+        u = (x0 + x12) | 0;
+        x4 ^= (u << 7) | (u >>> (32 - 7));
+        u = (x4 + x0) | 0;
+        x8 ^= (u << 9) | (u >>> (32 - 9));
+        u = (x8 + x4) | 0;
+        x12 ^= (u << 13) | (u >>> (32 - 13));
+        u = (x12 + x8) | 0;
+        x0 ^= (u << 18) | (u >>> (32 - 18));
+        u = (x5 + x1) | 0;
+        x9 ^= (u << 7) | (u >>> (32 - 7));
+        u = (x9 + x5) | 0;
+        x13 ^= (u << 9) | (u >>> (32 - 9));
+        u = (x13 + x9) | 0;
+        x1 ^= (u << 13) | (u >>> (32 - 13));
+        u = (x1 + x13) | 0;
+        x5 ^= (u << 18) | (u >>> (32 - 18));
+        u = (x10 + x6) | 0;
+        x14 ^= (u << 7) | (u >>> (32 - 7));
+        u = (x14 + x10) | 0;
+        x2 ^= (u << 9) | (u >>> (32 - 9));
+        u = (x2 + x14) | 0;
+        x6 ^= (u << 13) | (u >>> (32 - 13));
+        u = (x6 + x2) | 0;
+        x10 ^= (u << 18) | (u >>> (32 - 18));
+        u = (x15 + x11) | 0;
+        x3 ^= (u << 7) | (u >>> (32 - 7));
+        u = (x3 + x15) | 0;
+        x7 ^= (u << 9) | (u >>> (32 - 9));
+        u = (x7 + x3) | 0;
+        x11 ^= (u << 13) | (u >>> (32 - 13));
+        u = (x11 + x7) | 0;
+        x15 ^= (u << 18) | (u >>> (32 - 18));
+        u = (x0 + x3) | 0;
+        x1 ^= (u << 7) | (u >>> (32 - 7));
+        u = (x1 + x0) | 0;
+        x2 ^= (u << 9) | (u >>> (32 - 9));
+        u = (x2 + x1) | 0;
+        x3 ^= (u << 13) | (u >>> (32 - 13));
+        u = (x3 + x2) | 0;
+        x0 ^= (u << 18) | (u >>> (32 - 18));
+        u = (x5 + x4) | 0;
+        x6 ^= (u << 7) | (u >>> (32 - 7));
+        u = (x6 + x5) | 0;
+        x7 ^= (u << 9) | (u >>> (32 - 9));
+        u = (x7 + x6) | 0;
+        x4 ^= (u << 13) | (u >>> (32 - 13));
+        u = (x4 + x7) | 0;
+        x5 ^= (u << 18) | (u >>> (32 - 18));
+        u = (x10 + x9) | 0;
+        x11 ^= (u << 7) | (u >>> (32 - 7));
+        u = (x11 + x10) | 0;
+        x8 ^= (u << 9) | (u >>> (32 - 9));
+        u = (x8 + x11) | 0;
+        x9 ^= (u << 13) | (u >>> (32 - 13));
+        u = (x9 + x8) | 0;
+        x10 ^= (u << 18) | (u >>> (32 - 18));
+        u = (x15 + x14) | 0;
+        x12 ^= (u << 7) | (u >>> (32 - 7));
+        u = (x12 + x15) | 0;
+        x13 ^= (u << 9) | (u >>> (32 - 9));
+        u = (x13 + x12) | 0;
+        x14 ^= (u << 13) | (u >>> (32 - 13));
+        u = (x14 + x13) | 0;
+        x15 ^= (u << 18) | (u >>> (32 - 18));
+    }
+    x0 = (x0 + j0) | 0;
+    x1 = (x1 + j1) | 0;
+    x2 = (x2 + j2) | 0;
+    x3 = (x3 + j3) | 0;
+    x4 = (x4 + j4) | 0;
+    x5 = (x5 + j5) | 0;
+    x6 = (x6 + j6) | 0;
+    x7 = (x7 + j7) | 0;
+    x8 = (x8 + j8) | 0;
+    x9 = (x9 + j9) | 0;
+    x10 = (x10 + j10) | 0;
+    x11 = (x11 + j11) | 0;
+    x12 = (x12 + j12) | 0;
+    x13 = (x13 + j13) | 0;
+    x14 = (x14 + j14) | 0;
+    x15 = (x15 + j15) | 0;
+    o[0] = (x0 >>> 0) & 0xff;
+    o[1] = (x0 >>> 8) & 0xff;
+    o[2] = (x0 >>> 16) & 0xff;
+    o[3] = (x0 >>> 24) & 0xff;
+    o[4] = (x1 >>> 0) & 0xff;
+    o[5] = (x1 >>> 8) & 0xff;
+    o[6] = (x1 >>> 16) & 0xff;
+    o[7] = (x1 >>> 24) & 0xff;
+    o[8] = (x2 >>> 0) & 0xff;
+    o[9] = (x2 >>> 8) & 0xff;
+    o[10] = (x2 >>> 16) & 0xff;
+    o[11] = (x2 >>> 24) & 0xff;
+    o[12] = (x3 >>> 0) & 0xff;
+    o[13] = (x3 >>> 8) & 0xff;
+    o[14] = (x3 >>> 16) & 0xff;
+    o[15] = (x3 >>> 24) & 0xff;
+    o[16] = (x4 >>> 0) & 0xff;
+    o[17] = (x4 >>> 8) & 0xff;
+    o[18] = (x4 >>> 16) & 0xff;
+    o[19] = (x4 >>> 24) & 0xff;
+    o[20] = (x5 >>> 0) & 0xff;
+    o[21] = (x5 >>> 8) & 0xff;
+    o[22] = (x5 >>> 16) & 0xff;
+    o[23] = (x5 >>> 24) & 0xff;
+    o[24] = (x6 >>> 0) & 0xff;
+    o[25] = (x6 >>> 8) & 0xff;
+    o[26] = (x6 >>> 16) & 0xff;
+    o[27] = (x6 >>> 24) & 0xff;
+    o[28] = (x7 >>> 0) & 0xff;
+    o[29] = (x7 >>> 8) & 0xff;
+    o[30] = (x7 >>> 16) & 0xff;
+    o[31] = (x7 >>> 24) & 0xff;
+    o[32] = (x8 >>> 0) & 0xff;
+    o[33] = (x8 >>> 8) & 0xff;
+    o[34] = (x8 >>> 16) & 0xff;
+    o[35] = (x8 >>> 24) & 0xff;
+    o[36] = (x9 >>> 0) & 0xff;
+    o[37] = (x9 >>> 8) & 0xff;
+    o[38] = (x9 >>> 16) & 0xff;
+    o[39] = (x9 >>> 24) & 0xff;
+    o[40] = (x10 >>> 0) & 0xff;
+    o[41] = (x10 >>> 8) & 0xff;
+    o[42] = (x10 >>> 16) & 0xff;
+    o[43] = (x10 >>> 24) & 0xff;
+    o[44] = (x11 >>> 0) & 0xff;
+    o[45] = (x11 >>> 8) & 0xff;
+    o[46] = (x11 >>> 16) & 0xff;
+    o[47] = (x11 >>> 24) & 0xff;
+    o[48] = (x12 >>> 0) & 0xff;
+    o[49] = (x12 >>> 8) & 0xff;
+    o[50] = (x12 >>> 16) & 0xff;
+    o[51] = (x12 >>> 24) & 0xff;
+    o[52] = (x13 >>> 0) & 0xff;
+    o[53] = (x13 >>> 8) & 0xff;
+    o[54] = (x13 >>> 16) & 0xff;
+    o[55] = (x13 >>> 24) & 0xff;
+    o[56] = (x14 >>> 0) & 0xff;
+    o[57] = (x14 >>> 8) & 0xff;
+    o[58] = (x14 >>> 16) & 0xff;
+    o[59] = (x14 >>> 24) & 0xff;
+    o[60] = (x15 >>> 0) & 0xff;
+    o[61] = (x15 >>> 8) & 0xff;
+    o[62] = (x15 >>> 16) & 0xff;
+    o[63] = (x15 >>> 24) & 0xff;
+}
+function core_hsalsa20(o, p, k, c) {
+    var j0 = (c[0] & 0xff) |
+        ((c[1] & 0xff) << 8) |
+        ((c[2] & 0xff) << 16) |
+        ((c[3] & 0xff) << 24), j1 = (k[0] & 0xff) |
+        ((k[1] & 0xff) << 8) |
+        ((k[2] & 0xff) << 16) |
+        ((k[3] & 0xff) << 24), j2 = (k[4] & 0xff) |
+        ((k[5] & 0xff) << 8) |
+        ((k[6] & 0xff) << 16) |
+        ((k[7] & 0xff) << 24), j3 = (k[8] & 0xff) |
+        ((k[9] & 0xff) << 8) |
+        ((k[10] & 0xff) << 16) |
+        ((k[11] & 0xff) << 24), j4 = (k[12] & 0xff) |
+        ((k[13] & 0xff) << 8) |
+        ((k[14] & 0xff) << 16) |
+        ((k[15] & 0xff) << 24), j5 = (c[4] & 0xff) |
+        ((c[5] & 0xff) << 8) |
+        ((c[6] & 0xff) << 16) |
+        ((c[7] & 0xff) << 24), j6 = (p[0] & 0xff) |
+        ((p[1] & 0xff) << 8) |
+        ((p[2] & 0xff) << 16) |
+        ((p[3] & 0xff) << 24), j7 = (p[4] & 0xff) |
+        ((p[5] & 0xff) << 8) |
+        ((p[6] & 0xff) << 16) |
+        ((p[7] & 0xff) << 24), j8 = (p[8] & 0xff) |
+        ((p[9] & 0xff) << 8) |
+        ((p[10] & 0xff) << 16) |
+        ((p[11] & 0xff) << 24), j9 = (p[12] & 0xff) |
+        ((p[13] & 0xff) << 8) |
+        ((p[14] & 0xff) << 16) |
+        ((p[15] & 0xff) << 24), j10 = (c[8] & 0xff) |
+        ((c[9] & 0xff) << 8) |
+        ((c[10] & 0xff) << 16) |
+        ((c[11] & 0xff) << 24), j11 = (k[16] & 0xff) |
+        ((k[17] & 0xff) << 8) |
+        ((k[18] & 0xff) << 16) |
+        ((k[19] & 0xff) << 24), j12 = (k[20] & 0xff) |
+        ((k[21] & 0xff) << 8) |
+        ((k[22] & 0xff) << 16) |
+        ((k[23] & 0xff) << 24), j13 = (k[24] & 0xff) |
+        ((k[25] & 0xff) << 8) |
+        ((k[26] & 0xff) << 16) |
+        ((k[27] & 0xff) << 24), j14 = (k[28] & 0xff) |
+        ((k[29] & 0xff) << 8) |
+        ((k[30] & 0xff) << 16) |
+        ((k[31] & 0xff) << 24), j15 = (c[12] & 0xff) |
+        ((c[13] & 0xff) << 8) |
+        ((c[14] & 0xff) << 16) |
+        ((c[15] & 0xff) << 24);
+    var x0 = j0, x1 = j1, x2 = j2, x3 = j3, x4 = j4, x5 = j5, x6 = j6, x7 = j7, x8 = j8, x9 = j9, x10 = j10, x11 = j11, x12 = j12, x13 = j13, x14 = j14, x15 = j15, u;
+    for (var i = 0; i < 20; i += 2) {
+        u = (x0 + x12) | 0;
+        x4 ^= (u << 7) | (u >>> (32 - 7));
+        u = (x4 + x0) | 0;
+        x8 ^= (u << 9) | (u >>> (32 - 9));
+        u = (x8 + x4) | 0;
+        x12 ^= (u << 13) | (u >>> (32 - 13));
+        u = (x12 + x8) | 0;
+        x0 ^= (u << 18) | (u >>> (32 - 18));
+        u = (x5 + x1) | 0;
+        x9 ^= (u << 7) | (u >>> (32 - 7));
+        u = (x9 + x5) | 0;
+        x13 ^= (u << 9) | (u >>> (32 - 9));
+        u = (x13 + x9) | 0;
+        x1 ^= (u << 13) | (u >>> (32 - 13));
+        u = (x1 + x13) | 0;
+        x5 ^= (u << 18) | (u >>> (32 - 18));
+        u = (x10 + x6) | 0;
+        x14 ^= (u << 7) | (u >>> (32 - 7));
+        u = (x14 + x10) | 0;
+        x2 ^= (u << 9) | (u >>> (32 - 9));
+        u = (x2 + x14) | 0;
+        x6 ^= (u << 13) | (u >>> (32 - 13));
+        u = (x6 + x2) | 0;
+        x10 ^= (u << 18) | (u >>> (32 - 18));
+        u = (x15 + x11) | 0;
+        x3 ^= (u << 7) | (u >>> (32 - 7));
+        u = (x3 + x15) | 0;
+        x7 ^= (u << 9) | (u >>> (32 - 9));
+        u = (x7 + x3) | 0;
+        x11 ^= (u << 13) | (u >>> (32 - 13));
+        u = (x11 + x7) | 0;
+        x15 ^= (u << 18) | (u >>> (32 - 18));
+        u = (x0 + x3) | 0;
+        x1 ^= (u << 7) | (u >>> (32 - 7));
+        u = (x1 + x0) | 0;
+        x2 ^= (u << 9) | (u >>> (32 - 9));
+        u = (x2 + x1) | 0;
+        x3 ^= (u << 13) | (u >>> (32 - 13));
+        u = (x3 + x2) | 0;
+        x0 ^= (u << 18) | (u >>> (32 - 18));
+        u = (x5 + x4) | 0;
+        x6 ^= (u << 7) | (u >>> (32 - 7));
+        u = (x6 + x5) | 0;
+        x7 ^= (u << 9) | (u >>> (32 - 9));
+        u = (x7 + x6) | 0;
+        x4 ^= (u << 13) | (u >>> (32 - 13));
+        u = (x4 + x7) | 0;
+        x5 ^= (u << 18) | (u >>> (32 - 18));
+        u = (x10 + x9) | 0;
+        x11 ^= (u << 7) | (u >>> (32 - 7));
+        u = (x11 + x10) | 0;
+        x8 ^= (u << 9) | (u >>> (32 - 9));
+        u = (x8 + x11) | 0;
+        x9 ^= (u << 13) | (u >>> (32 - 13));
+        u = (x9 + x8) | 0;
+        x10 ^= (u << 18) | (u >>> (32 - 18));
+        u = (x15 + x14) | 0;
+        x12 ^= (u << 7) | (u >>> (32 - 7));
+        u = (x12 + x15) | 0;
+        x13 ^= (u << 9) | (u >>> (32 - 9));
+        u = (x13 + x12) | 0;
+        x14 ^= (u << 13) | (u >>> (32 - 13));
+        u = (x14 + x13) | 0;
+        x15 ^= (u << 18) | (u >>> (32 - 18));
+    }
+    o[0] = (x0 >>> 0) & 0xff;
+    o[1] = (x0 >>> 8) & 0xff;
+    o[2] = (x0 >>> 16) & 0xff;
+    o[3] = (x0 >>> 24) & 0xff;
+    o[4] = (x5 >>> 0) & 0xff;
+    o[5] = (x5 >>> 8) & 0xff;
+    o[6] = (x5 >>> 16) & 0xff;
+    o[7] = (x5 >>> 24) & 0xff;
+    o[8] = (x10 >>> 0) & 0xff;
+    o[9] = (x10 >>> 8) & 0xff;
+    o[10] = (x10 >>> 16) & 0xff;
+    o[11] = (x10 >>> 24) & 0xff;
+    o[12] = (x15 >>> 0) & 0xff;
+    o[13] = (x15 >>> 8) & 0xff;
+    o[14] = (x15 >>> 16) & 0xff;
+    o[15] = (x15 >>> 24) & 0xff;
+    o[16] = (x6 >>> 0) & 0xff;
+    o[17] = (x6 >>> 8) & 0xff;
+    o[18] = (x6 >>> 16) & 0xff;
+    o[19] = (x6 >>> 24) & 0xff;
+    o[20] = (x7 >>> 0) & 0xff;
+    o[21] = (x7 >>> 8) & 0xff;
+    o[22] = (x7 >>> 16) & 0xff;
+    o[23] = (x7 >>> 24) & 0xff;
+    o[24] = (x8 >>> 0) & 0xff;
+    o[25] = (x8 >>> 8) & 0xff;
+    o[26] = (x8 >>> 16) & 0xff;
+    o[27] = (x8 >>> 24) & 0xff;
+    o[28] = (x9 >>> 0) & 0xff;
+    o[29] = (x9 >>> 8) & 0xff;
+    o[30] = (x9 >>> 16) & 0xff;
+    o[31] = (x9 >>> 24) & 0xff;
+}
+var sigma = new Uint8Array([
+    101,
+    120,
+    112,
+    97,
+    110,
+    100,
+    32,
+    51,
+    50,
+    45,
+    98,
+    121,
+    116,
+    101,
+    32,
+    107,
+]);
+// "expand 32-byte k"
+function crypto_stream_salsa20_xor(c, cpos, m, mpos, b, n, k) {
+    var z = new Uint8Array(16), x = new Uint8Array(64);
+    var u, i;
+    for (i = 0; i < 16; i++)
+        z[i] = 0;
+    for (i = 0; i < 8; i++)
+        z[i] = n[i];
+    while (b >= 64) {
+        core_salsa20(x, z, k, sigma);
+        for (i = 0; i < 64; i++)
+            c[cpos + i] = m[mpos + i] ^ x[i];
+        u = 1;
+        for (i = 8; i < 16; i++) {
+            u = (u + (z[i] & 0xff)) | 0;
+            z[i] = u & 0xff;
+            u >>>= 8;
+        }
+        b -= 64;
+        cpos += 64;
+        mpos += 64;
+    }
+    if (b > 0) {
+        core_salsa20(x, z, k, sigma);
+        for (i = 0; i < b; i++)
+            c[cpos + i] = m[mpos + i] ^ x[i];
+    }
+    return 0;
+}
+function crypto_stream_salsa20(c, cpos, b, n, k) {
+    var z = new Uint8Array(16), x = new Uint8Array(64);
+    var u, i;
+    for (i = 0; i < 16; i++)
+        z[i] = 0;
+    for (i = 0; i < 8; i++)
+        z[i] = n[i];
+    while (b >= 64) {
+        core_salsa20(x, z, k, sigma);
+        for (i = 0; i < 64; i++)
+            c[cpos + i] = x[i];
+        u = 1;
+        for (i = 8; i < 16; i++) {
+            u = (u + (z[i] & 0xff)) | 0;
+            z[i] = u & 0xff;
+            u >>>= 8;
+        }
+        b -= 64;
+        cpos += 64;
+    }
+    if (b > 0) {
+        core_salsa20(x, z, k, sigma);
+        for (i = 0; i < b; i++)
+            c[cpos + i] = x[i];
+    }
+    return 0;
+}
+function crypto_stream(c, cpos, d, n, k) {
+    var s = new Uint8Array(32);
+    core_hsalsa20(s, n, k, sigma);
+    var sn = new Uint8Array(8);
+    for (var i = 0; i < 8; i++)
+        sn[i] = n[i + 16];
+    return crypto_stream_salsa20(c, cpos, d, sn, s);
+}
+function crypto_stream_xor(c, cpos, m, mpos, d, n, k) {
+    var s = new Uint8Array(32);
+    core_hsalsa20(s, n, k, sigma);
+    var sn = new Uint8Array(8);
+    for (var i = 0; i < 8; i++)
+        sn[i] = n[i + 16];
+    return crypto_stream_salsa20_xor(c, cpos, m, mpos, d, sn, s);
+}
+/*
+ * Port of Andrew Moon's Poly1305-donna-16. Public domain.
+ * https://github.com/floodyberry/poly1305-donna
+ */
+class poly1305 {
+    constructor(key) {
+        this.buffer = new Uint8Array(16);
+        this.r = new Uint16Array(10);
+        this.h = new Uint16Array(10);
+        this.pad = new Uint16Array(8);
+        this.leftover = 0;
+        this.fin = 0;
+        var t0, t1, t2, t3, t4, t5, t6, t7;
+        t0 = (key[0] & 0xff) | ((key[1] & 0xff) << 8);
+        this.r[0] = t0 & 0x1fff;
+        t1 = (key[2] & 0xff) | ((key[3] & 0xff) << 8);
+        this.r[1] = ((t0 >>> 13) | (t1 << 3)) & 0x1fff;
+        t2 = (key[4] & 0xff) | ((key[5] & 0xff) << 8);
+        this.r[2] = ((t1 >>> 10) | (t2 << 6)) & 0x1f03;
+        t3 = (key[6] & 0xff) | ((key[7] & 0xff) << 8);
+        this.r[3] = ((t2 >>> 7) | (t3 << 9)) & 0x1fff;
+        t4 = (key[8] & 0xff) | ((key[9] & 0xff) << 8);
+        this.r[4] = ((t3 >>> 4) | (t4 << 12)) & 0x00ff;
+        this.r[5] = (t4 >>> 1) & 0x1ffe;
+        t5 = (key[10] & 0xff) | ((key[11] & 0xff) << 8);
+        this.r[6] = ((t4 >>> 14) | (t5 << 2)) & 0x1fff;
+        t6 = (key[12] & 0xff) | ((key[13] & 0xff) << 8);
+        this.r[7] = ((t5 >>> 11) | (t6 << 5)) & 0x1f81;
+        t7 = (key[14] & 0xff) | ((key[15] & 0xff) << 8);
+        this.r[8] = ((t6 >>> 8) | (t7 << 8)) & 0x1fff;
+        this.r[9] = (t7 >>> 5) & 0x007f;
+        this.pad[0] = (key[16] & 0xff) | ((key[17] & 0xff) << 8);
+        this.pad[1] = (key[18] & 0xff) | ((key[19] & 0xff) << 8);
+        this.pad[2] = (key[20] & 0xff) | ((key[21] & 0xff) << 8);
+        this.pad[3] = (key[22] & 0xff) | ((key[23] & 0xff) << 8);
+        this.pad[4] = (key[24] & 0xff) | ((key[25] & 0xff) << 8);
+        this.pad[5] = (key[26] & 0xff) | ((key[27] & 0xff) << 8);
+        this.pad[6] = (key[28] & 0xff) | ((key[29] & 0xff) << 8);
+        this.pad[7] = (key[30] & 0xff) | ((key[31] & 0xff) << 8);
+    }
+    blocks(m, mpos, bytes) {
+        var hibit = this.fin ? 0 : 1 << 11;
+        var t0, t1, t2, t3, t4, t5, t6, t7, c;
+        var d0, d1, d2, d3, d4, d5, d6, d7, d8, d9;
+        var h0 = this.h[0], h1 = this.h[1], h2 = this.h[2], h3 = this.h[3], h4 = this.h[4], h5 = this.h[5], h6 = this.h[6], h7 = this.h[7], h8 = this.h[8], h9 = this.h[9];
+        var r0 = this.r[0], r1 = this.r[1], r2 = this.r[2], r3 = this.r[3], r4 = this.r[4], r5 = this.r[5], r6 = this.r[6], r7 = this.r[7], r8 = this.r[8], r9 = this.r[9];
+        while (bytes >= 16) {
+            t0 = (m[mpos + 0] & 0xff) | ((m[mpos + 1] & 0xff) << 8);
+            h0 += t0 & 0x1fff;
+            t1 = (m[mpos + 2] & 0xff) | ((m[mpos + 3] & 0xff) << 8);
+            h1 += ((t0 >>> 13) | (t1 << 3)) & 0x1fff;
+            t2 = (m[mpos + 4] & 0xff) | ((m[mpos + 5] & 0xff) << 8);
+            h2 += ((t1 >>> 10) | (t2 << 6)) & 0x1fff;
+            t3 = (m[mpos + 6] & 0xff) | ((m[mpos + 7] & 0xff) << 8);
+            h3 += ((t2 >>> 7) | (t3 << 9)) & 0x1fff;
+            t4 = (m[mpos + 8] & 0xff) | ((m[mpos + 9] & 0xff) << 8);
+            h4 += ((t3 >>> 4) | (t4 << 12)) & 0x1fff;
+            h5 += (t4 >>> 1) & 0x1fff;
+            t5 = (m[mpos + 10] & 0xff) | ((m[mpos + 11] & 0xff) << 8);
+            h6 += ((t4 >>> 14) | (t5 << 2)) & 0x1fff;
+            t6 = (m[mpos + 12] & 0xff) | ((m[mpos + 13] & 0xff) << 8);
+            h7 += ((t5 >>> 11) | (t6 << 5)) & 0x1fff;
+            t7 = (m[mpos + 14] & 0xff) | ((m[mpos + 15] & 0xff) << 8);
+            h8 += ((t6 >>> 8) | (t7 << 8)) & 0x1fff;
+            h9 += (t7 >>> 5) | hibit;
+            c = 0;
+            d0 = c;
+            d0 += h0 * r0;
+            d0 += h1 * (5 * r9);
+            d0 += h2 * (5 * r8);
+            d0 += h3 * (5 * r7);
+            d0 += h4 * (5 * r6);
+            c = d0 >>> 13;
+            d0 &= 0x1fff;
+            d0 += h5 * (5 * r5);
+            d0 += h6 * (5 * r4);
+            d0 += h7 * (5 * r3);
+            d0 += h8 * (5 * r2);
+            d0 += h9 * (5 * r1);
+            c += d0 >>> 13;
+            d0 &= 0x1fff;
+            d1 = c;
+            d1 += h0 * r1;
+            d1 += h1 * r0;
+            d1 += h2 * (5 * r9);
+            d1 += h3 * (5 * r8);
+            d1 += h4 * (5 * r7);
+            c = d1 >>> 13;
+            d1 &= 0x1fff;
+            d1 += h5 * (5 * r6);
+            d1 += h6 * (5 * r5);
+            d1 += h7 * (5 * r4);
+            d1 += h8 * (5 * r3);
+            d1 += h9 * (5 * r2);
+            c += d1 >>> 13;
+            d1 &= 0x1fff;
+            d2 = c;
+            d2 += h0 * r2;
+            d2 += h1 * r1;
+            d2 += h2 * r0;
+            d2 += h3 * (5 * r9);
+            d2 += h4 * (5 * r8);
+            c = d2 >>> 13;
+            d2 &= 0x1fff;
+            d2 += h5 * (5 * r7);
+            d2 += h6 * (5 * r6);
+            d2 += h7 * (5 * r5);
+            d2 += h8 * (5 * r4);
+            d2 += h9 * (5 * r3);
+            c += d2 >>> 13;
+            d2 &= 0x1fff;
+            d3 = c;
+            d3 += h0 * r3;
+            d3 += h1 * r2;
+            d3 += h2 * r1;
+            d3 += h3 * r0;
+            d3 += h4 * (5 * r9);
+            c = d3 >>> 13;
+            d3 &= 0x1fff;
+            d3 += h5 * (5 * r8);
+            d3 += h6 * (5 * r7);
+            d3 += h7 * (5 * r6);
+            d3 += h8 * (5 * r5);
+            d3 += h9 * (5 * r4);
+            c += d3 >>> 13;
+            d3 &= 0x1fff;
+            d4 = c;
+            d4 += h0 * r4;
+            d4 += h1 * r3;
+            d4 += h2 * r2;
+            d4 += h3 * r1;
+            d4 += h4 * r0;
+            c = d4 >>> 13;
+            d4 &= 0x1fff;
+            d4 += h5 * (5 * r9);
+            d4 += h6 * (5 * r8);
+            d4 += h7 * (5 * r7);
+            d4 += h8 * (5 * r6);
+            d4 += h9 * (5 * r5);
+            c += d4 >>> 13;
+            d4 &= 0x1fff;
+            d5 = c;
+            d5 += h0 * r5;
+            d5 += h1 * r4;
+            d5 += h2 * r3;
+            d5 += h3 * r2;
+            d5 += h4 * r1;
+            c = d5 >>> 13;
+            d5 &= 0x1fff;
+            d5 += h5 * r0;
+            d5 += h6 * (5 * r9);
+            d5 += h7 * (5 * r8);
+            d5 += h8 * (5 * r7);
+            d5 += h9 * (5 * r6);
+            c += d5 >>> 13;
+            d5 &= 0x1fff;
+            d6 = c;
+            d6 += h0 * r6;
+            d6 += h1 * r5;
+            d6 += h2 * r4;
+            d6 += h3 * r3;
+            d6 += h4 * r2;
+            c = d6 >>> 13;
+            d6 &= 0x1fff;
+            d6 += h5 * r1;
+            d6 += h6 * r0;
+            d6 += h7 * (5 * r9);
+            d6 += h8 * (5 * r8);
+            d6 += h9 * (5 * r7);
+            c += d6 >>> 13;
+            d6 &= 0x1fff;
+            d7 = c;
+            d7 += h0 * r7;
+            d7 += h1 * r6;
+            d7 += h2 * r5;
+            d7 += h3 * r4;
+            d7 += h4 * r3;
+            c = d7 >>> 13;
+            d7 &= 0x1fff;
+            d7 += h5 * r2;
+            d7 += h6 * r1;
+            d7 += h7 * r0;
+            d7 += h8 * (5 * r9);
+            d7 += h9 * (5 * r8);
+            c += d7 >>> 13;
+            d7 &= 0x1fff;
+            d8 = c;
+            d8 += h0 * r8;
+            d8 += h1 * r7;
+            d8 += h2 * r6;
+            d8 += h3 * r5;
+            d8 += h4 * r4;
+            c = d8 >>> 13;
+            d8 &= 0x1fff;
+            d8 += h5 * r3;
+            d8 += h6 * r2;
+            d8 += h7 * r1;
+            d8 += h8 * r0;
+            d8 += h9 * (5 * r9);
+            c += d8 >>> 13;
+            d8 &= 0x1fff;
+            d9 = c;
+            d9 += h0 * r9;
+            d9 += h1 * r8;
+            d9 += h2 * r7;
+            d9 += h3 * r6;
+            d9 += h4 * r5;
+            c = d9 >>> 13;
+            d9 &= 0x1fff;
+            d9 += h5 * r4;
+            d9 += h6 * r3;
+            d9 += h7 * r2;
+            d9 += h8 * r1;
+            d9 += h9 * r0;
+            c += d9 >>> 13;
+            d9 &= 0x1fff;
+            c = ((c << 2) + c) | 0;
+            c = (c + d0) | 0;
+            d0 = c & 0x1fff;
+            c = c >>> 13;
+            d1 += c;
+            h0 = d0;
+            h1 = d1;
+            h2 = d2;
+            h3 = d3;
+            h4 = d4;
+            h5 = d5;
+            h6 = d6;
+            h7 = d7;
+            h8 = d8;
+            h9 = d9;
+            mpos += 16;
+            bytes -= 16;
+        }
+        this.h[0] = h0;
+        this.h[1] = h1;
+        this.h[2] = h2;
+        this.h[3] = h3;
+        this.h[4] = h4;
+        this.h[5] = h5;
+        this.h[6] = h6;
+        this.h[7] = h7;
+        this.h[8] = h8;
+        this.h[9] = h9;
+    }
+    finish(mac, macpos) {
+        var g = new Uint16Array(10);
+        var c, mask, f, i;
+        if (this.leftover) {
+            i = this.leftover;
+            this.buffer[i++] = 1;
+            for (; i < 16; i++)
+                this.buffer[i] = 0;
+            this.fin = 1;
+            this.blocks(this.buffer, 0, 16);
+        }
+        c = this.h[1] >>> 13;
+        this.h[1] &= 0x1fff;
+        for (i = 2; i < 10; i++) {
+            this.h[i] += c;
+            c = this.h[i] >>> 13;
+            this.h[i] &= 0x1fff;
+        }
+        this.h[0] += c * 5;
+        c = this.h[0] >>> 13;
+        this.h[0] &= 0x1fff;
+        this.h[1] += c;
+        c = this.h[1] >>> 13;
+        this.h[1] &= 0x1fff;
+        this.h[2] += c;
+        g[0] = this.h[0] + 5;
+        c = g[0] >>> 13;
+        g[0] &= 0x1fff;
+        for (i = 1; i < 10; i++) {
+            g[i] = this.h[i] + c;
+            c = g[i] >>> 13;
+            g[i] &= 0x1fff;
+        }
+        g[9] -= 1 << 13;
+        mask = (c ^ 1) - 1;
+        for (i = 0; i < 10; i++)
+            g[i] &= mask;
+        mask = ~mask;
+        for (i = 0; i < 10; i++)
+            this.h[i] = (this.h[i] & mask) | g[i];
+        this.h[0] = (this.h[0] | (this.h[1] << 13)) & 0xffff;
+        this.h[1] = ((this.h[1] >>> 3) | (this.h[2] << 10)) & 0xffff;
+        this.h[2] = ((this.h[2] >>> 6) | (this.h[3] << 7)) & 0xffff;
+        this.h[3] = ((this.h[3] >>> 9) | (this.h[4] << 4)) & 0xffff;
+        this.h[4] =
+            ((this.h[4] >>> 12) | (this.h[5] << 1) | (this.h[6] << 14)) & 0xffff;
+        this.h[5] = ((this.h[6] >>> 2) | (this.h[7] << 11)) & 0xffff;
+        this.h[6] = ((this.h[7] >>> 5) | (this.h[8] << 8)) & 0xffff;
+        this.h[7] = ((this.h[8] >>> 8) | (this.h[9] << 5)) & 0xffff;
+        f = this.h[0] + this.pad[0];
+        this.h[0] = f & 0xffff;
+        for (i = 1; i < 8; i++) {
+            f = (((this.h[i] + this.pad[i]) | 0) + (f >>> 16)) | 0;
+            this.h[i] = f & 0xffff;
+        }
+        mac[macpos + 0] = (this.h[0] >>> 0) & 0xff;
+        mac[macpos + 1] = (this.h[0] >>> 8) & 0xff;
+        mac[macpos + 2] = (this.h[1] >>> 0) & 0xff;
+        mac[macpos + 3] = (this.h[1] >>> 8) & 0xff;
+        mac[macpos + 4] = (this.h[2] >>> 0) & 0xff;
+        mac[macpos + 5] = (this.h[2] >>> 8) & 0xff;
+        mac[macpos + 6] = (this.h[3] >>> 0) & 0xff;
+        mac[macpos + 7] = (this.h[3] >>> 8) & 0xff;
+        mac[macpos + 8] = (this.h[4] >>> 0) & 0xff;
+        mac[macpos + 9] = (this.h[4] >>> 8) & 0xff;
+        mac[macpos + 10] = (this.h[5] >>> 0) & 0xff;
+        mac[macpos + 11] = (this.h[5] >>> 8) & 0xff;
+        mac[macpos + 12] = (this.h[6] >>> 0) & 0xff;
+        mac[macpos + 13] = (this.h[6] >>> 8) & 0xff;
+        mac[macpos + 14] = (this.h[7] >>> 0) & 0xff;
+        mac[macpos + 15] = (this.h[7] >>> 8) & 0xff;
+    }
+    update(m, mpos, bytes) {
+        let i;
+        let want;
+        if (this.leftover) {
+            want = 16 - this.leftover;
+            if (want > bytes)
+                want = bytes;
+            for (i = 0; i < want; i++)
+                this.buffer[this.leftover + i] = m[mpos + i];
+            bytes -= want;
+            mpos += want;
+            this.leftover += want;
+            if (this.leftover < 16)
+                return;
+            this.blocks(this.buffer, 0, 16);
+            this.leftover = 0;
+        }
+        if (bytes >= 16) {
+            want = bytes - (bytes % 16);
+            this.blocks(m, mpos, want);
+            mpos += want;
+            bytes -= want;
+        }
+        if (bytes) {
+            for (i = 0; i < bytes; i++)
+                this.buffer[this.leftover + i] = m[mpos + i];
+            this.leftover += bytes;
+        }
+    }
+}
+function crypto_onetimeauth(out, outpos, m, mpos, n, k) {
+    var s = new poly1305(k);
+    s.update(m, mpos, n);
+    s.finish(out, outpos);
+    return 0;
+}
+function crypto_onetimeauth_verify(h, hpos, m, mpos, n, k) {
+    var x = new Uint8Array(16);
+    crypto_onetimeauth(x, 0, m, mpos, n, k);
+    return crypto_verify_16(h, hpos, x, 0);
+}
+function crypto_secretbox(c, m, d, n, k) {
+    var i;
+    if (d < 32)
+        return -1;
+    crypto_stream_xor(c, 0, m, 0, d, n, k);
+    crypto_onetimeauth(c, 16, c, 32, d - 32, c);
+    for (i = 0; i < 16; i++)
+        c[i] = 0;
+    return 0;
+}
+function crypto_secretbox_open(m, c, d, n, k) {
+    var i;
+    var x = new Uint8Array(32);
+    if (d < 32)
+        return -1;
+    crypto_stream(x, 0, 32, n, k);
+    if (crypto_onetimeauth_verify(c, 16, c, 32, d - 32, x) !== 0)
+        return -1;
+    crypto_stream_xor(m, 0, c, 0, d, n, k);
+    for (i = 0; i < 32; i++)
+        m[i] = 0;
+    return 0;
+}
+function set25519(r, a) {
+    let i;
+    for (i = 0; i < 16; i++)
+        r[i] = a[i] | 0;
+}
+function car25519(o) {
+    let i, v, c = 1;
+    for (i = 0; i < 16; i++) {
+        v = o[i] + c + 65535;
+        c = Math.floor(v / 65536);
+        o[i] = v - c * 65536;
+    }
+    o[0] += c - 1 + 37 * (c - 1);
+}
+function sel25519(p, q, b) {
+    let t;
+    const c = ~(b - 1);
+    for (let i = 0; i < 16; i++) {
+        t = c & (p[i] ^ q[i]);
+        p[i] ^= t;
+        q[i] ^= t;
+    }
+}
+function pack25519(o, n) {
+    let i, j, b;
+    const m = gf(), t = gf();
+    for (i = 0; i < 16; i++)
+        t[i] = n[i];
+    car25519(t);
+    car25519(t);
+    car25519(t);
+    for (j = 0; j < 2; j++) {
+        m[0] = t[0] - 0xffed;
+        for (i = 1; i < 15; i++) {
+            m[i] = t[i] - 0xffff - ((m[i - 1] >> 16) & 1);
+            m[i - 1] &= 0xffff;
+        }
+        m[15] = t[15] - 0x7fff - ((m[14] >> 16) & 1);
+        b = (m[15] >> 16) & 1;
+        m[14] &= 0xffff;
+        sel25519(t, m, 1 - b);
+    }
+    for (i = 0; i < 16; i++) {
+        o[2 * i] = t[i] & 0xff;
+        o[2 * i + 1] = t[i] >> 8;
+    }
+}
+function neq25519(a, b) {
+    const c = new Uint8Array(32), d = new Uint8Array(32);
+    pack25519(c, a);
+    pack25519(d, b);
+    return crypto_verify_32(c, 0, d, 0);
+}
+function par25519(a) {
+    const d = new Uint8Array(32);
+    pack25519(d, a);
+    return d[0] & 1;
+}
+function unpack25519(o, n) {
+    let i;
+    for (i = 0; i < 16; i++)
+        o[i] = n[2 * i] + (n[2 * i + 1] << 8);
+    o[15] &= 0x7fff;
+}
+function A(o, a, b) {
+    for (let i = 0; i < 16; i++)
+        o[i] = a[i] + b[i];
+}
+function Z(o, a, b) {
+    for (let i = 0; i < 16; i++)
+        o[i] = a[i] - b[i];
+}
+function M(o, a, b) {
+    let v, c, t0 = 0, t1 = 0, t2 = 0, t3 = 0, t4 = 0, t5 = 0, t6 = 0, t7 = 0, t8 = 0, t9 = 0, t10 = 0, t11 = 0, t12 = 0, t13 = 0, t14 = 0, t15 = 0, t16 = 0, t17 = 0, t18 = 0, t19 = 0, t20 = 0, t21 = 0, t22 = 0, t23 = 0, t24 = 0, t25 = 0, t26 = 0, t27 = 0, t28 = 0, t29 = 0, t30 = 0;
+    const b0 = b[0], b1 = b[1], b2 = b[2], b3 = b[3], b4 = b[4], b5 = b[5], b6 = b[6], b7 = b[7], b8 = b[8], b9 = b[9], b10 = b[10], b11 = b[11], b12 = b[12], b13 = b[13], b14 = b[14], b15 = b[15];
+    v = a[0];
+    t0 += v * b0;
+    t1 += v * b1;
+    t2 += v * b2;
+    t3 += v * b3;
+    t4 += v * b4;
+    t5 += v * b5;
+    t6 += v * b6;
+    t7 += v * b7;
+    t8 += v * b8;
+    t9 += v * b9;
+    t10 += v * b10;
+    t11 += v * b11;
+    t12 += v * b12;
+    t13 += v * b13;
+    t14 += v * b14;
+    t15 += v * b15;
+    v = a[1];
+    t1 += v * b0;
+    t2 += v * b1;
+    t3 += v * b2;
+    t4 += v * b3;
+    t5 += v * b4;
+    t6 += v * b5;
+    t7 += v * b6;
+    t8 += v * b7;
+    t9 += v * b8;
+    t10 += v * b9;
+    t11 += v * b10;
+    t12 += v * b11;
+    t13 += v * b12;
+    t14 += v * b13;
+    t15 += v * b14;
+    t16 += v * b15;
+    v = a[2];
+    t2 += v * b0;
+    t3 += v * b1;
+    t4 += v * b2;
+    t5 += v * b3;
+    t6 += v * b4;
+    t7 += v * b5;
+    t8 += v * b6;
+    t9 += v * b7;
+    t10 += v * b8;
+    t11 += v * b9;
+    t12 += v * b10;
+    t13 += v * b11;
+    t14 += v * b12;
+    t15 += v * b13;
+    t16 += v * b14;
+    t17 += v * b15;
+    v = a[3];
+    t3 += v * b0;
+    t4 += v * b1;
+    t5 += v * b2;
+    t6 += v * b3;
+    t7 += v * b4;
+    t8 += v * b5;
+    t9 += v * b6;
+    t10 += v * b7;
+    t11 += v * b8;
+    t12 += v * b9;
+    t13 += v * b10;
+    t14 += v * b11;
+    t15 += v * b12;
+    t16 += v * b13;
+    t17 += v * b14;
+    t18 += v * b15;
+    v = a[4];
+    t4 += v * b0;
+    t5 += v * b1;
+    t6 += v * b2;
+    t7 += v * b3;
+    t8 += v * b4;
+    t9 += v * b5;
+    t10 += v * b6;
+    t11 += v * b7;
+    t12 += v * b8;
+    t13 += v * b9;
+    t14 += v * b10;
+    t15 += v * b11;
+    t16 += v * b12;
+    t17 += v * b13;
+    t18 += v * b14;
+    t19 += v * b15;
+    v = a[5];
+    t5 += v * b0;
+    t6 += v * b1;
+    t7 += v * b2;
+    t8 += v * b3;
+    t9 += v * b4;
+    t10 += v * b5;
+    t11 += v * b6;
+    t12 += v * b7;
+    t13 += v * b8;
+    t14 += v * b9;
+    t15 += v * b10;
+    t16 += v * b11;
+    t17 += v * b12;
+    t18 += v * b13;
+    t19 += v * b14;
+    t20 += v * b15;
+    v = a[6];
+    t6 += v * b0;
+    t7 += v * b1;
+    t8 += v * b2;
+    t9 += v * b3;
+    t10 += v * b4;
+    t11 += v * b5;
+    t12 += v * b6;
+    t13 += v * b7;
+    t14 += v * b8;
+    t15 += v * b9;
+    t16 += v * b10;
+    t17 += v * b11;
+    t18 += v * b12;
+    t19 += v * b13;
+    t20 += v * b14;
+    t21 += v * b15;
+    v = a[7];
+    t7 += v * b0;
+    t8 += v * b1;
+    t9 += v * b2;
+    t10 += v * b3;
+    t11 += v * b4;
+    t12 += v * b5;
+    t13 += v * b6;
+    t14 += v * b7;
+    t15 += v * b8;
+    t16 += v * b9;
+    t17 += v * b10;
+    t18 += v * b11;
+    t19 += v * b12;
+    t20 += v * b13;
+    t21 += v * b14;
+    t22 += v * b15;
+    v = a[8];
+    t8 += v * b0;
+    t9 += v * b1;
+    t10 += v * b2;
+    t11 += v * b3;
+    t12 += v * b4;
+    t13 += v * b5;
+    t14 += v * b6;
+    t15 += v * b7;
+    t16 += v * b8;
+    t17 += v * b9;
+    t18 += v * b10;
+    t19 += v * b11;
+    t20 += v * b12;
+    t21 += v * b13;
+    t22 += v * b14;
+    t23 += v * b15;
+    v = a[9];
+    t9 += v * b0;
+    t10 += v * b1;
+    t11 += v * b2;
+    t12 += v * b3;
+    t13 += v * b4;
+    t14 += v * b5;
+    t15 += v * b6;
+    t16 += v * b7;
+    t17 += v * b8;
+    t18 += v * b9;
+    t19 += v * b10;
+    t20 += v * b11;
+    t21 += v * b12;
+    t22 += v * b13;
+    t23 += v * b14;
+    t24 += v * b15;
+    v = a[10];
+    t10 += v * b0;
+    t11 += v * b1;
+    t12 += v * b2;
+    t13 += v * b3;
+    t14 += v * b4;
+    t15 += v * b5;
+    t16 += v * b6;
+    t17 += v * b7;
+    t18 += v * b8;
+    t19 += v * b9;
+    t20 += v * b10;
+    t21 += v * b11;
+    t22 += v * b12;
+    t23 += v * b13;
+    t24 += v * b14;
+    t25 += v * b15;
+    v = a[11];
+    t11 += v * b0;
+    t12 += v * b1;
+    t13 += v * b2;
+    t14 += v * b3;
+    t15 += v * b4;
+    t16 += v * b5;
+    t17 += v * b6;
+    t18 += v * b7;
+    t19 += v * b8;
+    t20 += v * b9;
+    t21 += v * b10;
+    t22 += v * b11;
+    t23 += v * b12;
+    t24 += v * b13;
+    t25 += v * b14;
+    t26 += v * b15;
+    v = a[12];
+    t12 += v * b0;
+    t13 += v * b1;
+    t14 += v * b2;
+    t15 += v * b3;
+    t16 += v * b4;
+    t17 += v * b5;
+    t18 += v * b6;
+    t19 += v * b7;
+    t20 += v * b8;
+    t21 += v * b9;
+    t22 += v * b10;
+    t23 += v * b11;
+    t24 += v * b12;
+    t25 += v * b13;
+    t26 += v * b14;
+    t27 += v * b15;
+    v = a[13];
+    t13 += v * b0;
+    t14 += v * b1;
+    t15 += v * b2;
+    t16 += v * b3;
+    t17 += v * b4;
+    t18 += v * b5;
+    t19 += v * b6;
+    t20 += v * b7;
+    t21 += v * b8;
+    t22 += v * b9;
+    t23 += v * b10;
+    t24 += v * b11;
+    t25 += v * b12;
+    t26 += v * b13;
+    t27 += v * b14;
+    t28 += v * b15;
+    v = a[14];
+    t14 += v * b0;
+    t15 += v * b1;
+    t16 += v * b2;
+    t17 += v * b3;
+    t18 += v * b4;
+    t19 += v * b5;
+    t20 += v * b6;
+    t21 += v * b7;
+    t22 += v * b8;
+    t23 += v * b9;
+    t24 += v * b10;
+    t25 += v * b11;
+    t26 += v * b12;
+    t27 += v * b13;
+    t28 += v * b14;
+    t29 += v * b15;
+    v = a[15];
+    t15 += v * b0;
+    t16 += v * b1;
+    t17 += v * b2;
+    t18 += v * b3;
+    t19 += v * b4;
+    t20 += v * b5;
+    t21 += v * b6;
+    t22 += v * b7;
+    t23 += v * b8;
+    t24 += v * b9;
+    t25 += v * b10;
+    t26 += v * b11;
+    t27 += v * b12;
+    t28 += v * b13;
+    t29 += v * b14;
+    t30 += v * b15;
+    t0 += 38 * t16;
+    t1 += 38 * t17;
+    t2 += 38 * t18;
+    t3 += 38 * t19;
+    t4 += 38 * t20;
+    t5 += 38 * t21;
+    t6 += 38 * t22;
+    t7 += 38 * t23;
+    t8 += 38 * t24;
+    t9 += 38 * t25;
+    t10 += 38 * t26;
+    t11 += 38 * t27;
+    t12 += 38 * t28;
+    t13 += 38 * t29;
+    t14 += 38 * t30;
+    // t15 left as is
+    // first car
+    c = 1;
+    v = t0 + c + 65535;
+    c = Math.floor(v / 65536);
+    t0 = v - c * 65536;
+    v = t1 + c + 65535;
+    c = Math.floor(v / 65536);
+    t1 = v - c * 65536;
+    v = t2 + c + 65535;
+    c = Math.floor(v / 65536);
+    t2 = v - c * 65536;
+    v = t3 + c + 65535;
+    c = Math.floor(v / 65536);
+    t3 = v - c * 65536;
+    v = t4 + c + 65535;
+    c = Math.floor(v / 65536);
+    t4 = v - c * 65536;
+    v = t5 + c + 65535;
+    c = Math.floor(v / 65536);
+    t5 = v - c * 65536;
+    v = t6 + c + 65535;
+    c = Math.floor(v / 65536);
+    t6 = v - c * 65536;
+    v = t7 + c + 65535;
+    c = Math.floor(v / 65536);
+    t7 = v - c * 65536;
+    v = t8 + c + 65535;
+    c = Math.floor(v / 65536);
+    t8 = v - c * 65536;
+    v = t9 + c + 65535;
+    c = Math.floor(v / 65536);
+    t9 = v - c * 65536;
+    v = t10 + c + 65535;
+    c = Math.floor(v / 65536);
+    t10 = v - c * 65536;
+    v = t11 + c + 65535;
+    c = Math.floor(v / 65536);
+    t11 = v - c * 65536;
+    v = t12 + c + 65535;
+    c = Math.floor(v / 65536);
+    t12 = v - c * 65536;
+    v = t13 + c + 65535;
+    c = Math.floor(v / 65536);
+    t13 = v - c * 65536;
+    v = t14 + c + 65535;
+    c = Math.floor(v / 65536);
+    t14 = v - c * 65536;
+    v = t15 + c + 65535;
+    c = Math.floor(v / 65536);
+    t15 = v - c * 65536;
+    t0 += c - 1 + 37 * (c - 1);
+    // second car
+    c = 1;
+    v = t0 + c + 65535;
+    c = Math.floor(v / 65536);
+    t0 = v - c * 65536;
+    v = t1 + c + 65535;
+    c = Math.floor(v / 65536);
+    t1 = v - c * 65536;
+    v = t2 + c + 65535;
+    c = Math.floor(v / 65536);
+    t2 = v - c * 65536;
+    v = t3 + c + 65535;
+    c = Math.floor(v / 65536);
+    t3 = v - c * 65536;
+    v = t4 + c + 65535;
+    c = Math.floor(v / 65536);
+    t4 = v - c * 65536;
+    v = t5 + c + 65535;
+    c = Math.floor(v / 65536);
+    t5 = v - c * 65536;
+    v = t6 + c + 65535;
+    c = Math.floor(v / 65536);
+    t6 = v - c * 65536;
+    v = t7 + c + 65535;
+    c = Math.floor(v / 65536);
+    t7 = v - c * 65536;
+    v = t8 + c + 65535;
+    c = Math.floor(v / 65536);
+    t8 = v - c * 65536;
+    v = t9 + c + 65535;
+    c = Math.floor(v / 65536);
+    t9 = v - c * 65536;
+    v = t10 + c + 65535;
+    c = Math.floor(v / 65536);
+    t10 = v - c * 65536;
+    v = t11 + c + 65535;
+    c = Math.floor(v / 65536);
+    t11 = v - c * 65536;
+    v = t12 + c + 65535;
+    c = Math.floor(v / 65536);
+    t12 = v - c * 65536;
+    v = t13 + c + 65535;
+    c = Math.floor(v / 65536);
+    t13 = v - c * 65536;
+    v = t14 + c + 65535;
+    c = Math.floor(v / 65536);
+    t14 = v - c * 65536;
+    v = t15 + c + 65535;
+    c = Math.floor(v / 65536);
+    t15 = v - c * 65536;
+    t0 += c - 1 + 37 * (c - 1);
+    o[0] = t0;
+    o[1] = t1;
+    o[2] = t2;
+    o[3] = t3;
+    o[4] = t4;
+    o[5] = t5;
+    o[6] = t6;
+    o[7] = t7;
+    o[8] = t8;
+    o[9] = t9;
+    o[10] = t10;
+    o[11] = t11;
+    o[12] = t12;
+    o[13] = t13;
+    o[14] = t14;
+    o[15] = t15;
+}
+function S(o, a) {
+    M(o, a, a);
+}
+function inv25519(o, i) {
+    const c = gf();
+    let a;
+    for (a = 0; a < 16; a++)
+        c[a] = i[a];
+    for (a = 253; a >= 0; a--) {
+        S(c, c);
+        if (a !== 2 && a !== 4)
+            M(c, c, i);
+    }
+    for (a = 0; a < 16; a++)
+        o[a] = c[a];
+}
+function pow2523(o, i) {
+    const c = gf();
+    let a;
+    for (a = 0; a < 16; a++)
+        c[a] = i[a];
+    for (a = 250; a >= 0; a--) {
+        S(c, c);
+        if (a !== 1)
+            M(c, c, i);
+    }
+    for (a = 0; a < 16; a++)
+        o[a] = c[a];
+}
+function crypto_scalarmult(q, n, p) {
+    const z = new Uint8Array(32);
+    const x = new Float64Array(80);
+    let r;
+    let i;
+    const a = gf(), b = gf(), c = gf(), d = gf(), e = gf(), f = gf();
+    for (i = 0; i < 31; i++)
+        z[i] = n[i];
+    z[31] = (n[31] & 127) | 64;
+    z[0] &= 248;
+    unpack25519(x, p);
+    for (i = 0; i < 16; i++) {
+        b[i] = x[i];
+        d[i] = a[i] = c[i] = 0;
+    }
+    a[0] = d[0] = 1;
+    for (i = 254; i >= 0; --i) {
+        r = (z[i >>> 3] >>> (i & 7)) & 1;
+        sel25519(a, b, r);
+        sel25519(c, d, r);
+        A(e, a, c);
+        Z(a, a, c);
+        A(c, b, d);
+        Z(b, b, d);
+        S(d, e);
+        S(f, a);
+        M(a, c, a);
+        M(c, b, e);
+        A(e, a, c);
+        Z(a, a, c);
+        S(b, a);
+        Z(c, d, f);
+        M(a, c, _121665);
+        A(a, a, d);
+        M(c, c, a);
+        M(a, d, f);
+        M(d, b, x);
+        S(b, e);
+        sel25519(a, b, r);
+        sel25519(c, d, r);
+    }
+    for (i = 0; i < 16; i++) {
+        x[i + 16] = a[i];
+        x[i + 32] = c[i];
+        x[i + 48] = b[i];
+        x[i + 64] = d[i];
+    }
+    const x32 = x.subarray(32);
+    const x16 = x.subarray(16);
+    inv25519(x32, x32);
+    M(x16, x16, x32);
+    pack25519(q, x16);
+    return 0;
+}
+function crypto_scalarmult_base(q, n) {
+    return crypto_scalarmult(q, n, _9);
+}
+// prettier-ignore
+const K = [
+    0x428a2f98, 0xd728ae22, 0x71374491, 0x23ef65cd,
+    0xb5c0fbcf, 0xec4d3b2f, 0xe9b5dba5, 0x8189dbbc,
+    0x3956c25b, 0xf348b538, 0x59f111f1, 0xb605d019,
+    0x923f82a4, 0xaf194f9b, 0xab1c5ed5, 0xda6d8118,
+    0xd807aa98, 0xa3030242, 0x12835b01, 0x45706fbe,
+    0x243185be, 0x4ee4b28c, 0x550c7dc3, 0xd5ffb4e2,
+    0x72be5d74, 0xf27b896f, 0x80deb1fe, 0x3b1696b1,
+    0x9bdc06a7, 0x25c71235, 0xc19bf174, 0xcf692694,
+    0xe49b69c1, 0x9ef14ad2, 0xefbe4786, 0x384f25e3,
+    0x0fc19dc6, 0x8b8cd5b5, 0x240ca1cc, 0x77ac9c65,
+    0x2de92c6f, 0x592b0275, 0x4a7484aa, 0x6ea6e483,
+    0x5cb0a9dc, 0xbd41fbd4, 0x76f988da, 0x831153b5,
+    0x983e5152, 0xee66dfab, 0xa831c66d, 0x2db43210,
+    0xb00327c8, 0x98fb213f, 0xbf597fc7, 0xbeef0ee4,
+    0xc6e00bf3, 0x3da88fc2, 0xd5a79147, 0x930aa725,
+    0x06ca6351, 0xe003826f, 0x14292967, 0x0a0e6e70,
+    0x27b70a85, 0x46d22ffc, 0x2e1b2138, 0x5c26c926,
+    0x4d2c6dfc, 0x5ac42aed, 0x53380d13, 0x9d95b3df,
+    0x650a7354, 0x8baf63de, 0x766a0abb, 0x3c77b2a8,
+    0x81c2c92e, 0x47edaee6, 0x92722c85, 0x1482353b,
+    0xa2bfe8a1, 0x4cf10364, 0xa81a664b, 0xbc423001,
+    0xc24b8b70, 0xd0f89791, 0xc76c51a3, 0x0654be30,
+    0xd192e819, 0xd6ef5218, 0xd6990624, 0x5565a910,
+    0xf40e3585, 0x5771202a, 0x106aa070, 0x32bbd1b8,
+    0x19a4c116, 0xb8d2d0c8, 0x1e376c08, 0x5141ab53,
+    0x2748774c, 0xdf8eeb99, 0x34b0bcb5, 0xe19b48a8,
+    0x391c0cb3, 0xc5c95a63, 0x4ed8aa4a, 0xe3418acb,
+    0x5b9cca4f, 0x7763e373, 0x682e6ff3, 0xd6b2b8a3,
+    0x748f82ee, 0x5defb2fc, 0x78a5636f, 0x43172f60,
+    0x84c87814, 0xa1f0ab72, 0x8cc70208, 0x1a6439ec,
+    0x90befffa, 0x23631e28, 0xa4506ceb, 0xde82bde9,
+    0xbef9a3f7, 0xb2c67915, 0xc67178f2, 0xe372532b,
+    0xca273ece, 0xea26619c, 0xd186b8c7, 0x21c0c207,
+    0xeada7dd6, 0xcde0eb1e, 0xf57d4f7f, 0xee6ed178,
+    0x06f067aa, 0x72176fba, 0x0a637dc5, 0xa2c898a6,
+    0x113f9804, 0xbef90dae, 0x1b710b35, 0x131c471b,
+    0x28db77f5, 0x23047d84, 0x32caab7b, 0x40c72493,
+    0x3c9ebe0a, 0x15c9bebc, 0x431d67c4, 0x9c100d4c,
+    0x4cc5d4be, 0xcb3e42b6, 0x597f299c, 0xfc657e2a,
+    0x5fcb6fab, 0x3ad6faec, 0x6c44198c, 0x4a475817
+];
+function crypto_hashblocks_hl(hh, hl, m, n) {
+    const wh = new Int32Array(16), wl = new Int32Array(16);
+    let bh0, bh1, bh2, bh3, bh4, bh5, bh6, bh7, bl0, bl1, bl2, bl3, bl4, bl5, bl6, bl7, th, tl, i, j, h, l, a, b, c, d;
+    let ah0 = hh[0], ah1 = hh[1], ah2 = hh[2], ah3 = hh[3], ah4 = hh[4], ah5 = hh[5], ah6 = hh[6], ah7 = hh[7], al0 = hl[0], al1 = hl[1], al2 = hl[2], al3 = hl[3], al4 = hl[4], al5 = hl[5], al6 = hl[6], al7 = hl[7];
+    let pos = 0;
+    while (n >= 128) {
+        for (i = 0; i < 16; i++) {
+            j = 8 * i + pos;
+            wh[i] = (m[j + 0] << 24) | (m[j + 1] << 16) | (m[j + 2] << 8) | m[j + 3];
+            wl[i] = (m[j + 4] << 24) | (m[j + 5] << 16) | (m[j + 6] << 8) | m[j + 7];
+        }
+        for (i = 0; i < 80; i++) {
+            bh0 = ah0;
+            bh1 = ah1;
+            bh2 = ah2;
+            bh3 = ah3;
+            bh4 = ah4;
+            bh5 = ah5;
+            bh6 = ah6;
+            bh7 = ah7;
+            bl0 = al0;
+            bl1 = al1;
+            bl2 = al2;
+            bl3 = al3;
+            bl4 = al4;
+            bl5 = al5;
+            bl6 = al6;
+            bl7 = al7;
+            // add
+            h = ah7;
+            l = al7;
+            a = l & 0xffff;
+            b = l >>> 16;
+            c = h & 0xffff;
+            d = h >>> 16;
+            // Sigma1
+            h =
+                ((ah4 >>> 14) | (al4 << (32 - 14))) ^
+                    ((ah4 >>> 18) | (al4 << (32 - 18))) ^
+                    ((al4 >>> (41 - 32)) | (ah4 << (32 - (41 - 32))));
+            l =
+                ((al4 >>> 14) | (ah4 << (32 - 14))) ^
+                    ((al4 >>> 18) | (ah4 << (32 - 18))) ^
+                    ((ah4 >>> (41 - 32)) | (al4 << (32 - (41 - 32))));
+            a += l & 0xffff;
+            b += l >>> 16;
+            c += h & 0xffff;
+            d += h >>> 16;
+            // Ch
+            h = (ah4 & ah5) ^ (~ah4 & ah6);
+            l = (al4 & al5) ^ (~al4 & al6);
+            a += l & 0xffff;
+            b += l >>> 16;
+            c += h & 0xffff;
+            d += h >>> 16;
+            // K
+            h = K[i * 2];
+            l = K[i * 2 + 1];
+            a += l & 0xffff;
+            b += l >>> 16;
+            c += h & 0xffff;
+            d += h >>> 16;
+            // w
+            h = wh[i % 16];
+            l = wl[i % 16];
+            a += l & 0xffff;
+            b += l >>> 16;
+            c += h & 0xffff;
+            d += h >>> 16;
+            b += a >>> 16;
+            c += b >>> 16;
+            d += c >>> 16;
+            th = (c & 0xffff) | (d << 16);
+            tl = (a & 0xffff) | (b << 16);
+            // add
+            h = th;
+            l = tl;
+            a = l & 0xffff;
+            b = l >>> 16;
+            c = h & 0xffff;
+            d = h >>> 16;
+            // Sigma0
+            h =
+                ((ah0 >>> 28) | (al0 << (32 - 28))) ^
+                    ((al0 >>> (34 - 32)) | (ah0 << (32 - (34 - 32)))) ^
+                    ((al0 >>> (39 - 32)) | (ah0 << (32 - (39 - 32))));
+            l =
+                ((al0 >>> 28) | (ah0 << (32 - 28))) ^
+                    ((ah0 >>> (34 - 32)) | (al0 << (32 - (34 - 32)))) ^
+                    ((ah0 >>> (39 - 32)) | (al0 << (32 - (39 - 32))));
+            a += l & 0xffff;
+            b += l >>> 16;
+            c += h & 0xffff;
+            d += h >>> 16;
+            // Maj
+            h = (ah0 & ah1) ^ (ah0 & ah2) ^ (ah1 & ah2);
+            l = (al0 & al1) ^ (al0 & al2) ^ (al1 & al2);
+            a += l & 0xffff;
+            b += l >>> 16;
+            c += h & 0xffff;
+            d += h >>> 16;
+            b += a >>> 16;
+            c += b >>> 16;
+            d += c >>> 16;
+            bh7 = (c & 0xffff) | (d << 16);
+            bl7 = (a & 0xffff) | (b << 16);
+            // add
+            h = bh3;
+            l = bl3;
+            a = l & 0xffff;
+            b = l >>> 16;
+            c = h & 0xffff;
+            d = h >>> 16;
+            h = th;
+            l = tl;
+            a += l & 0xffff;
+            b += l >>> 16;
+            c += h & 0xffff;
+            d += h >>> 16;
+            b += a >>> 16;
+            c += b >>> 16;
+            d += c >>> 16;
+            bh3 = (c & 0xffff) | (d << 16);
+            bl3 = (a & 0xffff) | (b << 16);
+            ah1 = bh0;
+            ah2 = bh1;
+            ah3 = bh2;
+            ah4 = bh3;
+            ah5 = bh4;
+            ah6 = bh5;
+            ah7 = bh6;
+            ah0 = bh7;
+            al1 = bl0;
+            al2 = bl1;
+            al3 = bl2;
+            al4 = bl3;
+            al5 = bl4;
+            al6 = bl5;
+            al7 = bl6;
+            al0 = bl7;
+            if (i % 16 === 15) {
+                for (j = 0; j < 16; j++) {
+                    // add
+                    h = wh[j];
+                    l = wl[j];
+                    a = l & 0xffff;
+                    b = l >>> 16;
+                    c = h & 0xffff;
+                    d = h >>> 16;
+                    h = wh[(j + 9) % 16];
+                    l = wl[(j + 9) % 16];
+                    a += l & 0xffff;
+                    b += l >>> 16;
+                    c += h & 0xffff;
+                    d += h >>> 16;
+                    // sigma0
+                    th = wh[(j + 1) % 16];
+                    tl = wl[(j + 1) % 16];
+                    h =
+                        ((th >>> 1) | (tl << (32 - 1))) ^
+                            ((th >>> 8) | (tl << (32 - 8))) ^
+                            (th >>> 7);
+                    l =
+                        ((tl >>> 1) | (th << (32 - 1))) ^
+                            ((tl >>> 8) | (th << (32 - 8))) ^
+                            ((tl >>> 7) | (th << (32 - 7)));
+                    a += l & 0xffff;
+                    b += l >>> 16;
+                    c += h & 0xffff;
+                    d += h >>> 16;
+                    // sigma1
+                    th = wh[(j + 14) % 16];
+                    tl = wl[(j + 14) % 16];
+                    h =
+                        ((th >>> 19) | (tl << (32 - 19))) ^
+                            ((tl >>> (61 - 32)) | (th << (32 - (61 - 32)))) ^
+                            (th >>> 6);
+                    l =
+                        ((tl >>> 19) | (th << (32 - 19))) ^
+                            ((th >>> (61 - 32)) | (tl << (32 - (61 - 32)))) ^
+                            ((tl >>> 6) | (th << (32 - 6)));
+                    a += l & 0xffff;
+                    b += l >>> 16;
+                    c += h & 0xffff;
+                    d += h >>> 16;
+                    b += a >>> 16;
+                    c += b >>> 16;
+                    d += c >>> 16;
+                    wh[j] = (c & 0xffff) | (d << 16);
+                    wl[j] = (a & 0xffff) | (b << 16);
+                }
+            }
+        }
+        // add
+        h = ah0;
+        l = al0;
+        a = l & 0xffff;
+        b = l >>> 16;
+        c = h & 0xffff;
+        d = h >>> 16;
+        h = hh[0];
+        l = hl[0];
+        a += l & 0xffff;
+        b += l >>> 16;
+        c += h & 0xffff;
+        d += h >>> 16;
+        b += a >>> 16;
+        c += b >>> 16;
+        d += c >>> 16;
+        hh[0] = ah0 = (c & 0xffff) | (d << 16);
+        hl[0] = al0 = (a & 0xffff) | (b << 16);
+        h = ah1;
+        l = al1;
+        a = l & 0xffff;
+        b = l >>> 16;
+        c = h & 0xffff;
+        d = h >>> 16;
+        h = hh[1];
+        l = hl[1];
+        a += l & 0xffff;
+        b += l >>> 16;
+        c += h & 0xffff;
+        d += h >>> 16;
+        b += a >>> 16;
+        c += b >>> 16;
+        d += c >>> 16;
+        hh[1] = ah1 = (c & 0xffff) | (d << 16);
+        hl[1] = al1 = (a & 0xffff) | (b << 16);
+        h = ah2;
+        l = al2;
+        a = l & 0xffff;
+        b = l >>> 16;
+        c = h & 0xffff;
+        d = h >>> 16;
+        h = hh[2];
+        l = hl[2];
+        a += l & 0xffff;
+        b += l >>> 16;
+        c += h & 0xffff;
+        d += h >>> 16;
+        b += a >>> 16;
+        c += b >>> 16;
+        d += c >>> 16;
+        hh[2] = ah2 = (c & 0xffff) | (d << 16);
+        hl[2] = al2 = (a & 0xffff) | (b << 16);
+        h = ah3;
+        l = al3;
+        a = l & 0xffff;
+        b = l >>> 16;
+        c = h & 0xffff;
+        d = h >>> 16;
+        h = hh[3];
+        l = hl[3];
+        a += l & 0xffff;
+        b += l >>> 16;
+        c += h & 0xffff;
+        d += h >>> 16;
+        b += a >>> 16;
+        c += b >>> 16;
+        d += c >>> 16;
+        hh[3] = ah3 = (c & 0xffff) | (d << 16);
+        hl[3] = al3 = (a & 0xffff) | (b << 16);
+        h = ah4;
+        l = al4;
+        a = l & 0xffff;
+        b = l >>> 16;
+        c = h & 0xffff;
+        d = h >>> 16;
+        h = hh[4];
+        l = hl[4];
+        a += l & 0xffff;
+        b += l >>> 16;
+        c += h & 0xffff;
+        d += h >>> 16;
+        b += a >>> 16;
+        c += b >>> 16;
+        d += c >>> 16;
+        hh[4] = ah4 = (c & 0xffff) | (d << 16);
+        hl[4] = al4 = (a & 0xffff) | (b << 16);
+        h = ah5;
+        l = al5;
+        a = l & 0xffff;
+        b = l >>> 16;
+        c = h & 0xffff;
+        d = h >>> 16;
+        h = hh[5];
+        l = hl[5];
+        a += l & 0xffff;
+        b += l >>> 16;
+        c += h & 0xffff;
+        d += h >>> 16;
+        b += a >>> 16;
+        c += b >>> 16;
+        d += c >>> 16;
+        hh[5] = ah5 = (c & 0xffff) | (d << 16);
+        hl[5] = al5 = (a & 0xffff) | (b << 16);
+        h = ah6;
+        l = al6;
+        a = l & 0xffff;
+        b = l >>> 16;
+        c = h & 0xffff;
+        d = h >>> 16;
+        h = hh[6];
+        l = hl[6];
+        a += l & 0xffff;
+        b += l >>> 16;
+        c += h & 0xffff;
+        d += h >>> 16;
+        b += a >>> 16;
+        c += b >>> 16;
+        d += c >>> 16;
+        hh[6] = ah6 = (c & 0xffff) | (d << 16);
+        hl[6] = al6 = (a & 0xffff) | (b << 16);
+        h = ah7;
+        l = al7;
+        a = l & 0xffff;
+        b = l >>> 16;
+        c = h & 0xffff;
+        d = h >>> 16;
+        h = hh[7];
+        l = hl[7];
+        a += l & 0xffff;
+        b += l >>> 16;
+        c += h & 0xffff;
+        d += h >>> 16;
+        b += a >>> 16;
+        c += b >>> 16;
+        d += c >>> 16;
+        hh[7] = ah7 = (c & 0xffff) | (d << 16);
+        hl[7] = al7 = (a & 0xffff) | (b << 16);
+        pos += 128;
+        n -= 128;
+    }
+    return n;
+}
+function crypto_hash(out, m, n) {
+    const hh = new Int32Array(8);
+    const hl = new Int32Array(8);
+    const x = new Uint8Array(256);
+    const b = n;
+    hh[0] = 0x6a09e667;
+    hh[1] = 0xbb67ae85;
+    hh[2] = 0x3c6ef372;
+    hh[3] = 0xa54ff53a;
+    hh[4] = 0x510e527f;
+    hh[5] = 0x9b05688c;
+    hh[6] = 0x1f83d9ab;
+    hh[7] = 0x5be0cd19;
+    hl[0] = 0xf3bcc908;
+    hl[1] = 0x84caa73b;
+    hl[2] = 0xfe94f82b;
+    hl[3] = 0x5f1d36f1;
+    hl[4] = 0xade682d1;
+    hl[5] = 0x2b3e6c1f;
+    hl[6] = 0xfb41bd6b;
+    hl[7] = 0x137e2179;
+    crypto_hashblocks_hl(hh, hl, m, n);
+    n %= 128;
+    for (let i = 0; i < n; i++)
+        x[i] = m[b - n + i];
+    x[n] = 128;
+    n = 256 - 128 * (n < 112 ? 1 : 0);
+    x[n - 9] = 0;
+    ts64(x, n - 8, (b / 0x20000000) | 0, b << 3);
+    crypto_hashblocks_hl(hh, hl, x, n);
+    for (let i = 0; i < 8; i++)
+        ts64(out, 8 * i, hh[i], hl[i]);
+    return 0;
+}
+/**
+ * Incremental version of crypto_hash.
+ */
+class HashState {
+    constructor() {
+        this.hh = new Int32Array(8);
+        this.hl = new Int32Array(8);
+        this.next = new Uint8Array(128);
+        this.p = 0;
+        this.total = 0;
+        this.hh[0] = 0x6a09e667;
+        this.hh[1] = 0xbb67ae85;
+        this.hh[2] = 0x3c6ef372;
+        this.hh[3] = 0xa54ff53a;
+        this.hh[4] = 0x510e527f;
+        this.hh[5] = 0x9b05688c;
+        this.hh[6] = 0x1f83d9ab;
+        this.hh[7] = 0x5be0cd19;
+        this.hl[0] = 0xf3bcc908;
+        this.hl[1] = 0x84caa73b;
+        this.hl[2] = 0xfe94f82b;
+        this.hl[3] = 0x5f1d36f1;
+        this.hl[4] = 0xade682d1;
+        this.hl[5] = 0x2b3e6c1f;
+        this.hl[6] = 0xfb41bd6b;
+        this.hl[7] = 0x137e2179;
+    }
+    update(data) {
+        this.total += data.length;
+        let i = 0;
+        while (i < data.length) {
+            const r = 128 - this.p;
+            if (r > data.length - i) {
+                for (let j = 0; i + j < data.length; j++) {
+                    this.next[this.p + j] = data[i + j];
+                }
+                this.p += data.length - i;
+                break;
+            }
+            else {
+                for (let j = 0; this.p + j < 128; j++) {
+                    this.next[this.p + j] = data[i + j];
+                }
+                crypto_hashblocks_hl(this.hh, this.hl, this.next, 128);
+                i += 128 - this.p;
+                this.p = 0;
+            }
+        }
+        return this;
+    }
+    finish() {
+        const out = new Uint8Array(64);
+        let n = this.p;
+        const x = new Uint8Array(256);
+        const b = this.total;
+        for (let i = 0; i < n; i++)
+            x[i] = this.next[i];
+        x[n] = 128;
+        n = 256 - 128 * (n < 112 ? 1 : 0);
+        x[n - 9] = 0;
+        ts64(x, n - 8, (b / 0x20000000) | 0, b << 3);
+        crypto_hashblocks_hl(this.hh, this.hl, x, n);
+        for (let i = 0; i < 8; i++)
+            ts64(out, 8 * i, this.hh[i], this.hl[i]);
+        return out;
+    }
+}
+function add$1(p, q) {
+    const a = gf(), b = gf(), c = gf(), d = gf(), e = gf(), f = gf(), g = gf(), h = gf(), t = gf();
+    Z(a, p[1], p[0]);
+    Z(t, q[1], q[0]);
+    M(a, a, t);
+    A(b, p[0], p[1]);
+    A(t, q[0], q[1]);
+    M(b, b, t);
+    M(c, p[3], q[3]);
+    M(c, c, D2);
+    M(d, p[2], q[2]);
+    A(d, d, d);
+    Z(e, b, a);
+    Z(f, d, c);
+    A(g, d, c);
+    A(h, b, a);
+    M(p[0], e, f);
+    M(p[1], h, g);
+    M(p[2], g, f);
+    M(p[3], e, h);
+}
+function cswap(p, q, b) {
+    let i;
+    for (i = 0; i < 4; i++) {
+        sel25519(p[i], q[i], b);
+    }
+}
+function pack(r, p) {
+    const tx = gf(), ty = gf(), zi = gf();
+    inv25519(zi, p[2]);
+    M(tx, p[0], zi);
+    M(ty, p[1], zi);
+    pack25519(r, ty);
+    r[31] ^= par25519(tx) << 7;
+}
+function scalarmult(p, q, s) {
+    let b, i;
+    set25519(p[0], gf0);
+    set25519(p[1], gf1);
+    set25519(p[2], gf1);
+    set25519(p[3], gf0);
+    for (i = 255; i >= 0; --i) {
+        b = (s[(i / 8) | 0] >> (i & 7)) & 1;
+        cswap(p, q, b);
+        add$1(q, p);
+        add$1(p, p);
+        cswap(p, q, b);
+    }
+}
+function scalarbase(p, s) {
+    const q = [gf(), gf(), gf(), gf()];
+    set25519(q[0], X);
+    set25519(q[1], Y);
+    set25519(q[2], gf1);
+    M(q[3], X, Y);
+    scalarmult(p, q, s);
+}
+function crypto_sign_keypair(pk, sk, seeded) {
+    const d = new Uint8Array(64);
+    const p = [gf(), gf(), gf(), gf()];
+    if (!seeded)
+        randombytes(sk, 32);
+    crypto_hash(d, sk, 32);
+    d[0] &= 248;
+    d[31] &= 127;
+    d[31] |= 64;
+    scalarbase(p, d);
+    pack(pk, p);
+    for (let i = 0; i < 32; i++)
+        sk[i + 32] = pk[i];
+    return 0;
+}
+const L = new Float64Array([
+    0xed,
+    0xd3,
+    0xf5,
+    0x5c,
+    0x1a,
+    0x63,
+    0x12,
+    0x58,
+    0xd6,
+    0x9c,
+    0xf7,
+    0xa2,
+    0xde,
+    0xf9,
+    0xde,
+    0x14,
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+    0x10,
+]);
+function modL(r, x) {
+    let carry, i, j, k;
+    for (i = 63; i >= 32; --i) {
+        carry = 0;
+        for (j = i - 32, k = i - 12; j < k; ++j) {
+            x[j] += carry - 16 * x[i] * L[j - (i - 32)];
+            carry = Math.floor((x[j] + 128) / 256);
+            x[j] -= carry * 256;
+        }
+        x[j] += carry;
+        x[i] = 0;
+    }
+    carry = 0;
+    for (j = 0; j < 32; j++) {
+        x[j] += carry - (x[31] >> 4) * L[j];
+        carry = x[j] >> 8;
+        x[j] &= 255;
+    }
+    for (j = 0; j < 32; j++)
+        x[j] -= carry * L[j];
+    for (i = 0; i < 32; i++) {
+        x[i + 1] += x[i] >> 8;
+        r[i] = x[i] & 255;
+    }
+}
+function reduce(r) {
+    const x = new Float64Array(64);
+    for (let i = 0; i < 64; i++)
+        x[i] = r[i];
+    for (let i = 0; i < 64; i++)
+        r[i] = 0;
+    modL(r, x);
+}
+// Note: difference from C - smlen returned, not passed as argument.
+function crypto_sign(sm, m, n, sk) {
+    const d = new Uint8Array(64), h = new Uint8Array(64), r = new Uint8Array(64);
+    let i, j;
+    const x = new Float64Array(64);
+    const p = [gf(), gf(), gf(), gf()];
+    crypto_hash(d, sk, 32);
+    d[0] &= 248;
+    d[31] &= 127;
+    d[31] |= 64;
+    const smlen = n + 64;
+    for (i = 0; i < n; i++)
+        sm[64 + i] = m[i];
+    for (i = 0; i < 32; i++)
+        sm[32 + i] = d[32 + i];
+    crypto_hash(r, sm.subarray(32), n + 32);
+    reduce(r);
+    scalarbase(p, r);
+    pack(sm, p);
+    for (i = 32; i < 64; i++)
+        sm[i] = sk[i];
+    crypto_hash(h, sm, n + 64);
+    reduce(h);
+    for (i = 0; i < 64; i++)
+        x[i] = 0;
+    for (i = 0; i < 32; i++)
+        x[i] = r[i];
+    for (i = 0; i < 32; i++) {
+        for (j = 0; j < 32; j++) {
+            x[i + j] += h[i] * d[j];
+        }
+    }
+    modL(sm.subarray(32), x);
+    return smlen;
+}
+function unpackneg(r, p) {
+    const t = gf();
+    const chk = gf();
+    const num = gf();
+    const den = gf();
+    const den2 = gf();
+    const den4 = gf();
+    const den6 = gf();
+    set25519(r[2], gf1);
+    unpack25519(r[1], p);
+    S(num, r[1]);
+    M(den, num, D);
+    Z(num, num, r[2]);
+    A(den, r[2], den);
+    S(den2, den);
+    S(den4, den2);
+    M(den6, den4, den2);
+    M(t, den6, num);
+    M(t, t, den);
+    pow2523(t, t);
+    M(t, t, num);
+    M(t, t, den);
+    M(t, t, den);
+    M(r[0], t, den);
+    S(chk, r[0]);
+    M(chk, chk, den);
+    if (neq25519(chk, num))
+        M(r[0], r[0], I);
+    S(chk, r[0]);
+    M(chk, chk, den);
+    if (neq25519(chk, num))
+        return -1;
+    if (par25519(r[0]) === p[31] >> 7)
+        Z(r[0], gf0, r[0]);
+    M(r[3], r[0], r[1]);
+    return 0;
+}
+function crypto_sign_open(m, sm, n, pk) {
+    let i, mlen;
+    const t = new Uint8Array(32), h = new Uint8Array(64);
+    const p = [gf(), gf(), gf(), gf()], q = [gf(), gf(), gf(), gf()];
+    mlen = -1;
+    if (n < 64)
+        return -1;
+    if (unpackneg(q, pk))
+        return -1;
+    for (i = 0; i < n; i++)
+        m[i] = sm[i];
+    for (i = 0; i < 32; i++)
+        m[i + 32] = pk[i];
+    crypto_hash(h, m, n);
+    reduce(h);
+    scalarmult(p, q, h);
+    scalarbase(q, sm.subarray(32));
+    add$1(p, q);
+    pack(t, p);
+    n -= 64;
+    if (crypto_verify_32(sm, 0, t, 0)) {
+        for (i = 0; i < n; i++)
+            m[i] = 0;
+        return -1;
+    }
+    for (i = 0; i < n; i++)
+        m[i] = sm[i + 64];
+    mlen = n;
+    return mlen;
+}
+const crypto_secretbox_KEYBYTES = 32;
+const crypto_secretbox_NONCEBYTES = 24;
+const crypto_secretbox_ZEROBYTES = 32;
+const crypto_secretbox_BOXZEROBYTES = 16;
+const crypto_scalarmult_BYTES = 32;
+const crypto_scalarmult_SCALARBYTES = 32;
+const crypto_sign_BYTES = 64;
+const crypto_sign_PUBLICKEYBYTES = 32;
+const crypto_sign_SECRETKEYBYTES = 64;
+const crypto_sign_SEEDBYTES = 32;
+const crypto_hash_BYTES = 64;
+/* High-level API */
+function checkLengths(k, n) {
+    if (k.length !== crypto_secretbox_KEYBYTES)
+        throw new Error("bad key size");
+    if (n.length !== crypto_secretbox_NONCEBYTES)
+        throw new Error("bad nonce size");
+}
+function checkArrayTypes(...args) {
+    for (let i = 0; i < args.length; i++) {
+        if (!(args[i] instanceof Uint8Array))
+            throw new TypeError("unexpected type, use Uint8Array");
+    }
+}
+function cleanup(arr) {
+    for (let i = 0; i < arr.length; i++)
+        arr[i] = 0;
+}
+function randomBytes(n) {
+    const b = new Uint8Array(n);
+    randombytes(b, n);
+    return b;
+}
+function scalarMult(n, p) {
+    checkArrayTypes(n, p);
+    if (n.length !== crypto_scalarmult_SCALARBYTES)
+        throw new Error("bad n size");
+    if (p.length !== crypto_scalarmult_BYTES)
+        throw new Error("bad p size");
+    const q = new Uint8Array(crypto_scalarmult_BYTES);
+    crypto_scalarmult(q, n, p);
+    return q;
+}
+function scalarMult_base(n) {
+    checkArrayTypes(n);
+    if (n.length !== crypto_scalarmult_SCALARBYTES)
+        throw new Error("bad n size");
+    const q = new Uint8Array(crypto_scalarmult_BYTES);
+    crypto_scalarmult_base(q, n);
+    return q;
+}
+function sign(msg, secretKey) {
+    checkArrayTypes(msg, secretKey);
+    if (secretKey.length !== crypto_sign_SECRETKEYBYTES)
+        throw new Error("bad secret key size");
+    const signedMsg = new Uint8Array(crypto_sign_BYTES + msg.length);
+    crypto_sign(signedMsg, msg, msg.length, secretKey);
+    return signedMsg;
+}
+function sign_detached(msg, secretKey) {
+    const signedMsg = sign(msg, secretKey);
+    const sig = new Uint8Array(crypto_sign_BYTES);
+    for (let i = 0; i < sig.length; i++)
+        sig[i] = signedMsg[i];
+    return sig;
+}
+function sign_detached_verify(msg, sig, publicKey) {
+    checkArrayTypes(msg, sig, publicKey);
+    if (sig.length !== crypto_sign_BYTES)
+        throw new Error("bad signature size");
+    if (publicKey.length !== crypto_sign_PUBLICKEYBYTES)
+        throw new Error("bad public key size");
+    const sm = new Uint8Array(crypto_sign_BYTES + msg.length);
+    const m = new Uint8Array(crypto_sign_BYTES + msg.length);
+    let i;
+    for (i = 0; i < crypto_sign_BYTES; i++)
+        sm[i] = sig[i];
+    for (i = 0; i < msg.length; i++)
+        sm[i + crypto_sign_BYTES] = msg[i];
+    return crypto_sign_open(m, sm, sm.length, publicKey) >= 0;
+}
+function sign_keyPair_fromSeed(seed) {
+    checkArrayTypes(seed);
+    if (seed.length !== crypto_sign_SEEDBYTES)
+        throw new Error("bad seed size");
+    const pk = new Uint8Array(crypto_sign_PUBLICKEYBYTES);
+    const sk = new Uint8Array(crypto_sign_SECRETKEYBYTES);
+    for (let i = 0; i < 32; i++)
+        sk[i] = seed[i];
+    crypto_sign_keypair(pk, sk, true);
+    return { publicKey: pk, secretKey: sk };
+}
+function hash(msg) {
+    checkArrayTypes(msg);
+    const h = new Uint8Array(crypto_hash_BYTES);
+    crypto_hash(h, msg, msg.length);
+    return h;
+}
+function setPRNG(fn) {
+    randombytes = fn;
+}
+function sign_ed25519_pk_to_curve25519(ed25519_pk) {
+    const ge_a = [gf(), gf(), gf(), gf()];
+    const x = gf();
+    const one_minus_y = gf();
+    const x25519_pk = new Uint8Array(32);
+    if (unpackneg(ge_a, ed25519_pk)) {
+        throw Error("invalid public key");
+    }
+    set25519(one_minus_y, gf1);
+    Z(one_minus_y, one_minus_y, ge_a[1]);
+    set25519(x, gf1);
+    A(x, x, ge_a[1]);
+    inv25519(one_minus_y, one_minus_y);
+    M(x, x, one_minus_y);
+    pack25519(x25519_pk, x);
+    return x25519_pk;
+}
+function secretbox(msg, nonce, key) {
+    checkArrayTypes(msg, nonce, key);
+    checkLengths(key, nonce);
+    var m = new Uint8Array(crypto_secretbox_ZEROBYTES + msg.length);
+    var c = new Uint8Array(m.length);
+    for (var i = 0; i < msg.length; i++)
+        m[i + crypto_secretbox_ZEROBYTES] = msg[i];
+    crypto_secretbox(c, m, m.length, nonce, key);
+    return c.subarray(crypto_secretbox_BOXZEROBYTES);
+}
+function secretbox_open(box, nonce, key) {
+    checkArrayTypes(box, nonce, key);
+    checkLengths(key, nonce);
+    var c = new Uint8Array(crypto_secretbox_BOXZEROBYTES + box.length);
+    var m = new Uint8Array(c.length);
+    for (var i = 0; i < box.length; i++)
+        c[i + crypto_secretbox_BOXZEROBYTES] = box[i];
+    if (c.length < 32)
+        return undefined;
+    if (crypto_secretbox_open(m, c, c.length, nonce, key) !== 0)
+        return undefined;
+    return m.subarray(crypto_secretbox_ZEROBYTES);
+}
+(function () {
+    // Initialize PRNG if environment provides CSPRNG.
+    // If not, methods calling randombytes will throw.
+    // @ts-ignore-error
+    const cr = typeof self !== "undefined" ? self.crypto || self.msCrypto : null;
+    if (cr && cr.getRandomValues) {
+        // Browsers.
+        const QUOTA = 65536;
+        setPRNG(function (x, n) {
+            let i;
+            const v = new Uint8Array(n);
+            for (i = 0; i < n; i += QUOTA) {
+                cr.getRandomValues(v.subarray(i, i + Math.min(n - i, QUOTA)));
+            }
+            for (i = 0; i < n; i++)
+                x[i] = v[i];
+            cleanup(v);
+        });
+    }
+    else if (typeof require !== "undefined") {
+        // Node.js.
+        // eslint-disable-next-line @typescript-eslint/no-var-requires
+        const cr = require("crypto");
+        if (cr && cr.randomBytes) {
+            setPRNG(function (x, n) {
+                const v = cr.randomBytes(n);
+                for (let i = 0; i < n; i++)
+                    x[i] = v[i];
+                cleanup(v);
+            });
+        }
+    }
+})();
+
+function createCommonjsModule(fn) {
+  var module = { exports: {} };
+	return fn(module, module.exports), module.exports;
+}
+
+var BigInteger = createCommonjsModule(function (module) {
+var bigInt = (function (undefined$1) {

+

+    var BASE = 1e7,

+        LOG_BASE = 7,

+        MAX_INT = 9007199254740992,

+        MAX_INT_ARR = smallToArray(MAX_INT),

+        DEFAULT_ALPHABET = "0123456789abcdefghijklmnopqrstuvwxyz";

+

+    var supportsNativeBigInt = typeof BigInt === "function";

+

+    function Integer(v, radix, alphabet, caseSensitive) {

+        if (typeof v === "undefined") return Integer[0];

+        if (typeof radix !== "undefined") return +radix === 10 && !alphabet ? parseValue(v) : parseBase(v, radix, alphabet, caseSensitive);

+        return parseValue(v);

+    }

+

+    function BigInteger(value, sign) {

+        this.value = value;

+        this.sign = sign;

+        this.isSmall = false;

+    }

+    BigInteger.prototype = Object.create(Integer.prototype);

+

+    function SmallInteger(value) {

+        this.value = value;

+        this.sign = value < 0;

+        this.isSmall = true;

+    }

+    SmallInteger.prototype = Object.create(Integer.prototype);

+

+    function NativeBigInt(value) {

+        this.value = value;

+    }

+    NativeBigInt.prototype = Object.create(Integer.prototype);

+

+    function isPrecise(n) {

+        return -MAX_INT < n && n < MAX_INT;

+    }

+

+    function smallToArray(n) { // For performance reasons doesn't reference BASE, need to change this function if BASE changes

+        if (n < 1e7)

+            return [n];

+        if (n < 1e14)

+            return [n % 1e7, Math.floor(n / 1e7)];

+        return [n % 1e7, Math.floor(n / 1e7) % 1e7, Math.floor(n / 1e14)];

+    }

+

+    function arrayToSmall(arr) { // If BASE changes this function may need to change

+        trim(arr);

+        var length = arr.length;

+        if (length < 4 && compareAbs(arr, MAX_INT_ARR) < 0) {

+            switch (length) {

+                case 0: return 0;

+                case 1: return arr[0];

+                case 2: return arr[0] + arr[1] * BASE;

+                default: return arr[0] + (arr[1] + arr[2] * BASE) * BASE;

+            }

+        }

+        return arr;

+    }

+

+    function trim(v) {

+        var i = v.length;

+        while (v[--i] === 0);

+        v.length = i + 1;

+    }

+

+    function createArray(length) { // function shamelessly stolen from Yaffle's library https://github.com/Yaffle/BigInteger

+        var x = new Array(length);

+        var i = -1;

+        while (++i < length) {

+            x[i] = 0;

+        }

+        return x;

+    }

+

+    function truncate(n) {

+        if (n > 0) return Math.floor(n);

+        return Math.ceil(n);

+    }

+

+    function add(a, b) { // assumes a and b are arrays with a.length >= b.length

+        var l_a = a.length,

+            l_b = b.length,

+            r = new Array(l_a),

+            carry = 0,

+            base = BASE,

+            sum, i;

+        for (i = 0; i < l_b; i++) {

+            sum = a[i] + b[i] + carry;

+            carry = sum >= base ? 1 : 0;

+            r[i] = sum - carry * base;

+        }

+        while (i < l_a) {

+            sum = a[i] + carry;

+            carry = sum === base ? 1 : 0;

+            r[i++] = sum - carry * base;

+        }

+        if (carry > 0) r.push(carry);

+        return r;

+    }

+

+    function addAny(a, b) {

+        if (a.length >= b.length) return add(a, b);

+        return add(b, a);

+    }

+

+    function addSmall(a, carry) { // assumes a is array, carry is number with 0 <= carry < MAX_INT

+        var l = a.length,

+            r = new Array(l),

+            base = BASE,

+            sum, i;

+        for (i = 0; i < l; i++) {

+            sum = a[i] - base + carry;

+            carry = Math.floor(sum / base);

+            r[i] = sum - carry * base;

+            carry += 1;

+        }

+        while (carry > 0) {

+            r[i++] = carry % base;

+            carry = Math.floor(carry / base);

+        }

+        return r;

+    }

+

+    BigInteger.prototype.add = function (v) {

+        var n = parseValue(v);

+        if (this.sign !== n.sign) {

+            return this.subtract(n.negate());

+        }

+        var a = this.value, b = n.value;

+        if (n.isSmall) {

+            return new BigInteger(addSmall(a, Math.abs(b)), this.sign);

+        }

+        return new BigInteger(addAny(a, b), this.sign);

+    };

+    BigInteger.prototype.plus = BigInteger.prototype.add;

+

+    SmallInteger.prototype.add = function (v) {

+        var n = parseValue(v);

+        var a = this.value;

+        if (a < 0 !== n.sign) {

+            return this.subtract(n.negate());

+        }

+        var b = n.value;

+        if (n.isSmall) {

+            if (isPrecise(a + b)) return new SmallInteger(a + b);

+            b = smallToArray(Math.abs(b));

+        }

+        return new BigInteger(addSmall(b, Math.abs(a)), a < 0);

+    };

+    SmallInteger.prototype.plus = SmallInteger.prototype.add;

+

+    NativeBigInt.prototype.add = function (v) {

+        return new NativeBigInt(this.value + parseValue(v).value);

+    };

+    NativeBigInt.prototype.plus = NativeBigInt.prototype.add;

+

+    function subtract(a, b) { // assumes a and b are arrays with a >= b

+        var a_l = a.length,

+            b_l = b.length,

+            r = new Array(a_l),

+            borrow = 0,

+            base = BASE,

+            i, difference;

+        for (i = 0; i < b_l; i++) {

+            difference = a[i] - borrow - b[i];

+            if (difference < 0) {

+                difference += base;

+                borrow = 1;

+            } else borrow = 0;

+            r[i] = difference;

+        }

+        for (i = b_l; i < a_l; i++) {

+            difference = a[i] - borrow;

+            if (difference < 0) difference += base;

+            else {

+                r[i++] = difference;

+                break;

+            }

+            r[i] = difference;

+        }

+        for (; i < a_l; i++) {

+            r[i] = a[i];

+        }

+        trim(r);

+        return r;

+    }

+

+    function subtractAny(a, b, sign) {

+        var value;

+        if (compareAbs(a, b) >= 0) {

+            value = subtract(a, b);

+        } else {

+            value = subtract(b, a);

+            sign = !sign;

+        }

+        value = arrayToSmall(value);

+        if (typeof value === "number") {

+            if (sign) value = -value;

+            return new SmallInteger(value);

+        }

+        return new BigInteger(value, sign);

+    }

+

+    function subtractSmall(a, b, sign) { // assumes a is array, b is number with 0 <= b < MAX_INT

+        var l = a.length,

+            r = new Array(l),

+            carry = -b,

+            base = BASE,

+            i, difference;

+        for (i = 0; i < l; i++) {

+            difference = a[i] + carry;

+            carry = Math.floor(difference / base);

+            difference %= base;

+            r[i] = difference < 0 ? difference + base : difference;

+        }

+        r = arrayToSmall(r);

+        if (typeof r === "number") {

+            if (sign) r = -r;

+            return new SmallInteger(r);

+        } return new BigInteger(r, sign);

+    }

+

+    BigInteger.prototype.subtract = function (v) {

+        var n = parseValue(v);

+        if (this.sign !== n.sign) {

+            return this.add(n.negate());

+        }

+        var a = this.value, b = n.value;

+        if (n.isSmall)

+            return subtractSmall(a, Math.abs(b), this.sign);

+        return subtractAny(a, b, this.sign);

+    };

+    BigInteger.prototype.minus = BigInteger.prototype.subtract;

+

+    SmallInteger.prototype.subtract = function (v) {

+        var n = parseValue(v);

+        var a = this.value;

+        if (a < 0 !== n.sign) {

+            return this.add(n.negate());

+        }

+        var b = n.value;

+        if (n.isSmall) {

+            return new SmallInteger(a - b);

+        }

+        return subtractSmall(b, Math.abs(a), a >= 0);

+    };

+    SmallInteger.prototype.minus = SmallInteger.prototype.subtract;

+

+    NativeBigInt.prototype.subtract = function (v) {

+        return new NativeBigInt(this.value - parseValue(v).value);

+    };

+    NativeBigInt.prototype.minus = NativeBigInt.prototype.subtract;

+

+    BigInteger.prototype.negate = function () {

+        return new BigInteger(this.value, !this.sign);

+    };

+    SmallInteger.prototype.negate = function () {

+        var sign = this.sign;

+        var small = new SmallInteger(-this.value);

+        small.sign = !sign;

+        return small;

+    };

+    NativeBigInt.prototype.negate = function () {

+        return new NativeBigInt(-this.value);

+    };

+

+    BigInteger.prototype.abs = function () {

+        return new BigInteger(this.value, false);

+    };

+    SmallInteger.prototype.abs = function () {

+        return new SmallInteger(Math.abs(this.value));

+    };

+    NativeBigInt.prototype.abs = function () {

+        return new NativeBigInt(this.value >= 0 ? this.value : -this.value);

+    };

+

+

+    function multiplyLong(a, b) {

+        var a_l = a.length,

+            b_l = b.length,

+            l = a_l + b_l,

+            r = createArray(l),

+            base = BASE,

+            product, carry, i, a_i, b_j;

+        for (i = 0; i < a_l; ++i) {

+            a_i = a[i];

+            for (var j = 0; j < b_l; ++j) {

+                b_j = b[j];

+                product = a_i * b_j + r[i + j];

+                carry = Math.floor(product / base);

+                r[i + j] = product - carry * base;

+                r[i + j + 1] += carry;

+            }

+        }

+        trim(r);

+        return r;

+    }

+

+    function multiplySmall(a, b) { // assumes a is array, b is number with |b| < BASE

+        var l = a.length,

+            r = new Array(l),

+            base = BASE,

+            carry = 0,

+            product, i;

+        for (i = 0; i < l; i++) {

+            product = a[i] * b + carry;

+            carry = Math.floor(product / base);

+            r[i] = product - carry * base;

+        }

+        while (carry > 0) {

+            r[i++] = carry % base;

+            carry = Math.floor(carry / base);

+        }

+        return r;

+    }

+

+    function shiftLeft(x, n) {

+        var r = [];

+        while (n-- > 0) r.push(0);

+        return r.concat(x);

+    }

+

+    function multiplyKaratsuba(x, y) {

+        var n = Math.max(x.length, y.length);

+

+        if (n <= 30) return multiplyLong(x, y);

+        n = Math.ceil(n / 2);

+

+        var b = x.slice(n),

+            a = x.slice(0, n),

+            d = y.slice(n),

+            c = y.slice(0, n);

+

+        var ac = multiplyKaratsuba(a, c),

+            bd = multiplyKaratsuba(b, d),

+            abcd = multiplyKaratsuba(addAny(a, b), addAny(c, d));

+

+        var product = addAny(addAny(ac, shiftLeft(subtract(subtract(abcd, ac), bd), n)), shiftLeft(bd, 2 * n));

+        trim(product);

+        return product;

+    }

+

+    // The following function is derived from a surface fit of a graph plotting the performance difference

+    // between long multiplication and karatsuba multiplication versus the lengths of the two arrays.

+    function useKaratsuba(l1, l2) {

+        return -0.012 * l1 - 0.012 * l2 + 0.000015 * l1 * l2 > 0;

+    }

+

+    BigInteger.prototype.multiply = function (v) {

+        var n = parseValue(v),

+            a = this.value, b = n.value,

+            sign = this.sign !== n.sign,

+            abs;

+        if (n.isSmall) {

+            if (b === 0) return Integer[0];

+            if (b === 1) return this;

+            if (b === -1) return this.negate();

+            abs = Math.abs(b);

+            if (abs < BASE) {

+                return new BigInteger(multiplySmall(a, abs), sign);

+            }

+            b = smallToArray(abs);

+        }

+        if (useKaratsuba(a.length, b.length)) // Karatsuba is only faster for certain array sizes

+            return new BigInteger(multiplyKaratsuba(a, b), sign);

+        return new BigInteger(multiplyLong(a, b), sign);

+    };

+

+    BigInteger.prototype.times = BigInteger.prototype.multiply;

+

+    function multiplySmallAndArray(a, b, sign) { // a >= 0

+        if (a < BASE) {

+            return new BigInteger(multiplySmall(b, a), sign);

+        }

+        return new BigInteger(multiplyLong(b, smallToArray(a)), sign);

+    }

+    SmallInteger.prototype._multiplyBySmall = function (a) {

+        if (isPrecise(a.value * this.value)) {

+            return new SmallInteger(a.value * this.value);

+        }

+        return multiplySmallAndArray(Math.abs(a.value), smallToArray(Math.abs(this.value)), this.sign !== a.sign);

+    };

+    BigInteger.prototype._multiplyBySmall = function (a) {

+        if (a.value === 0) return Integer[0];

+        if (a.value === 1) return this;

+        if (a.value === -1) return this.negate();

+        return multiplySmallAndArray(Math.abs(a.value), this.value, this.sign !== a.sign);

+    };

+    SmallInteger.prototype.multiply = function (v) {

+        return parseValue(v)._multiplyBySmall(this);

+    };

+    SmallInteger.prototype.times = SmallInteger.prototype.multiply;

+

+    NativeBigInt.prototype.multiply = function (v) {

+        return new NativeBigInt(this.value * parseValue(v).value);

+    };

+    NativeBigInt.prototype.times = NativeBigInt.prototype.multiply;

+

+    function square(a) {

+        //console.assert(2 * BASE * BASE < MAX_INT);

+        var l = a.length,

+            r = createArray(l + l),

+            base = BASE,

+            product, carry, i, a_i, a_j;

+        for (i = 0; i < l; i++) {

+            a_i = a[i];

+            carry = 0 - a_i * a_i;

+            for (var j = i; j < l; j++) {

+                a_j = a[j];

+                product = 2 * (a_i * a_j) + r[i + j] + carry;

+                carry = Math.floor(product / base);

+                r[i + j] = product - carry * base;

+            }

+            r[i + l] = carry;

+        }

+        trim(r);

+        return r;

+    }

+

+    BigInteger.prototype.square = function () {

+        return new BigInteger(square(this.value), false);

+    };

+

+    SmallInteger.prototype.square = function () {

+        var value = this.value * this.value;

+        if (isPrecise(value)) return new SmallInteger(value);

+        return new BigInteger(square(smallToArray(Math.abs(this.value))), false);

+    };

+

+    NativeBigInt.prototype.square = function (v) {

+        return new NativeBigInt(this.value * this.value);

+    };

+

+    function divMod1(a, b) { // Left over from previous version. Performs faster than divMod2 on smaller input sizes.

+        var a_l = a.length,

+            b_l = b.length,

+            base = BASE,

+            result = createArray(b.length),

+            divisorMostSignificantDigit = b[b_l - 1],

+            // normalization

+            lambda = Math.ceil(base / (2 * divisorMostSignificantDigit)),

+            remainder = multiplySmall(a, lambda),

+            divisor = multiplySmall(b, lambda),

+            quotientDigit, shift, carry, borrow, i, l, q;

+        if (remainder.length <= a_l) remainder.push(0);

+        divisor.push(0);

+        divisorMostSignificantDigit = divisor[b_l - 1];

+        for (shift = a_l - b_l; shift >= 0; shift--) {

+            quotientDigit = base - 1;

+            if (remainder[shift + b_l] !== divisorMostSignificantDigit) {

+                quotientDigit = Math.floor((remainder[shift + b_l] * base + remainder[shift + b_l - 1]) / divisorMostSignificantDigit);

+            }

+            // quotientDigit <= base - 1

+            carry = 0;

+            borrow = 0;

+            l = divisor.length;

+            for (i = 0; i < l; i++) {

+                carry += quotientDigit * divisor[i];

+                q = Math.floor(carry / base);

+                borrow += remainder[shift + i] - (carry - q * base);

+                carry = q;

+                if (borrow < 0) {

+                    remainder[shift + i] = borrow + base;

+                    borrow = -1;

+                } else {

+                    remainder[shift + i] = borrow;

+                    borrow = 0;

+                }

+            }

+            while (borrow !== 0) {

+                quotientDigit -= 1;

+                carry = 0;

+                for (i = 0; i < l; i++) {

+                    carry += remainder[shift + i] - base + divisor[i];

+                    if (carry < 0) {

+                        remainder[shift + i] = carry + base;

+                        carry = 0;

+                    } else {

+                        remainder[shift + i] = carry;

+                        carry = 1;

+                    }

+                }

+                borrow += carry;

+            }

+            result[shift] = quotientDigit;

+        }

+        // denormalization

+        remainder = divModSmall(remainder, lambda)[0];

+        return [arrayToSmall(result), arrayToSmall(remainder)];

+    }

+

+    function divMod2(a, b) { // Implementation idea shamelessly stolen from Silent Matt's library http://silentmatt.com/biginteger/

+        // Performs faster than divMod1 on larger input sizes.

+        var a_l = a.length,

+            b_l = b.length,

+            result = [],

+            part = [],

+            base = BASE,

+            guess, xlen, highx, highy, check;

+        while (a_l) {

+            part.unshift(a[--a_l]);

+            trim(part);

+            if (compareAbs(part, b) < 0) {

+                result.push(0);

+                continue;

+            }

+            xlen = part.length;

+            highx = part[xlen - 1] * base + part[xlen - 2];

+            highy = b[b_l - 1] * base + b[b_l - 2];

+            if (xlen > b_l) {

+                highx = (highx + 1) * base;

+            }

+            guess = Math.ceil(highx / highy);

+            do {

+                check = multiplySmall(b, guess);

+                if (compareAbs(check, part) <= 0) break;

+                guess--;

+            } while (guess);

+            result.push(guess);

+            part = subtract(part, check);

+        }

+        result.reverse();

+        return [arrayToSmall(result), arrayToSmall(part)];

+    }

+

+    function divModSmall(value, lambda) {

+        var length = value.length,

+            quotient = createArray(length),

+            base = BASE,

+            i, q, remainder, divisor;

+        remainder = 0;

+        for (i = length - 1; i >= 0; --i) {

+            divisor = remainder * base + value[i];

+            q = truncate(divisor / lambda);

+            remainder = divisor - q * lambda;

+            quotient[i] = q | 0;

+        }

+        return [quotient, remainder | 0];

+    }

+

+    function divModAny(self, v) {

+        var value, n = parseValue(v);

+        if (supportsNativeBigInt) {

+            return [new NativeBigInt(self.value / n.value), new NativeBigInt(self.value % n.value)];

+        }

+        var a = self.value, b = n.value;

+        var quotient;

+        if (b === 0) throw new Error("Cannot divide by zero");

+        if (self.isSmall) {

+            if (n.isSmall) {

+                return [new SmallInteger(truncate(a / b)), new SmallInteger(a % b)];

+            }

+            return [Integer[0], self];

+        }

+        if (n.isSmall) {

+            if (b === 1) return [self, Integer[0]];

+            if (b == -1) return [self.negate(), Integer[0]];

+            var abs = Math.abs(b);

+            if (abs < BASE) {

+                value = divModSmall(a, abs);

+                quotient = arrayToSmall(value[0]);

+                var remainder = value[1];

+                if (self.sign) remainder = -remainder;

+                if (typeof quotient === "number") {

+                    if (self.sign !== n.sign) quotient = -quotient;

+                    return [new SmallInteger(quotient), new SmallInteger(remainder)];

+                }

+                return [new BigInteger(quotient, self.sign !== n.sign), new SmallInteger(remainder)];

+            }

+            b = smallToArray(abs);

+        }

+        var comparison = compareAbs(a, b);

+        if (comparison === -1) return [Integer[0], self];

+        if (comparison === 0) return [Integer[self.sign === n.sign ? 1 : -1], Integer[0]];

+

+        // divMod1 is faster on smaller input sizes

+        if (a.length + b.length <= 200)

+            value = divMod1(a, b);

+        else value = divMod2(a, b);

+

+        quotient = value[0];

+        var qSign = self.sign !== n.sign,

+            mod = value[1],

+            mSign = self.sign;

+        if (typeof quotient === "number") {

+            if (qSign) quotient = -quotient;

+            quotient = new SmallInteger(quotient);

+        } else quotient = new BigInteger(quotient, qSign);

+        if (typeof mod === "number") {

+            if (mSign) mod = -mod;

+            mod = new SmallInteger(mod);

+        } else mod = new BigInteger(mod, mSign);

+        return [quotient, mod];

+    }

+

+    BigInteger.prototype.divmod = function (v) {

+        var result = divModAny(this, v);

+        return {

+            quotient: result[0],

+            remainder: result[1]

+        };

+    };

+    NativeBigInt.prototype.divmod = SmallInteger.prototype.divmod = BigInteger.prototype.divmod;

+

+

+    BigInteger.prototype.divide = function (v) {

+        return divModAny(this, v)[0];

+    };

+    NativeBigInt.prototype.over = NativeBigInt.prototype.divide = function (v) {

+        return new NativeBigInt(this.value / parseValue(v).value);

+    };

+    SmallInteger.prototype.over = SmallInteger.prototype.divide = BigInteger.prototype.over = BigInteger.prototype.divide;

+

+    BigInteger.prototype.mod = function (v) {

+        return divModAny(this, v)[1];

+    };

+    NativeBigInt.prototype.mod = NativeBigInt.prototype.remainder = function (v) {

+        return new NativeBigInt(this.value % parseValue(v).value);

+    };

+    SmallInteger.prototype.remainder = SmallInteger.prototype.mod = BigInteger.prototype.remainder = BigInteger.prototype.mod;

+

+    BigInteger.prototype.pow = function (v) {

+        var n = parseValue(v),

+            a = this.value,

+            b = n.value,

+            value, x, y;

+        if (b === 0) return Integer[1];

+        if (a === 0) return Integer[0];

+        if (a === 1) return Integer[1];

+        if (a === -1) return n.isEven() ? Integer[1] : Integer[-1];

+        if (n.sign) {

+            return Integer[0];

+        }

+        if (!n.isSmall) throw new Error("The exponent " + n.toString() + " is too large.");

+        if (this.isSmall) {

+            if (isPrecise(value = Math.pow(a, b)))

+                return new SmallInteger(truncate(value));

+        }

+        x = this;

+        y = Integer[1];

+        while (true) {

+            if (b & 1 === 1) {

+                y = y.times(x);

+                --b;

+            }

+            if (b === 0) break;

+            b /= 2;

+            x = x.square();

+        }

+        return y;

+    };

+    SmallInteger.prototype.pow = BigInteger.prototype.pow;

+

+    NativeBigInt.prototype.pow = function (v) {

+        var n = parseValue(v);

+        var a = this.value, b = n.value;

+        var _0 = BigInt(0), _1 = BigInt(1), _2 = BigInt(2);

+        if (b === _0) return Integer[1];

+        if (a === _0) return Integer[0];

+        if (a === _1) return Integer[1];

+        if (a === BigInt(-1)) return n.isEven() ? Integer[1] : Integer[-1];

+        if (n.isNegative()) return new NativeBigInt(_0);

+        var x = this;

+        var y = Integer[1];

+        while (true) {

+            if ((b & _1) === _1) {

+                y = y.times(x);

+                --b;

+            }

+            if (b === _0) break;

+            b /= _2;

+            x = x.square();

+        }

+        return y;

+    };

+

+    BigInteger.prototype.modPow = function (exp, mod) {

+        exp = parseValue(exp);

+        mod = parseValue(mod);

+        if (mod.isZero()) throw new Error("Cannot take modPow with modulus 0");

+        var r = Integer[1],

+            base = this.mod(mod);

+        if (exp.isNegative()) {

+            exp = exp.multiply(Integer[-1]);

+            base = base.modInv(mod);

+        }

+        while (exp.isPositive()) {

+            if (base.isZero()) return Integer[0];

+            if (exp.isOdd()) r = r.multiply(base).mod(mod);

+            exp = exp.divide(2);

+            base = base.square().mod(mod);

+        }

+        return r;

+    };

+    NativeBigInt.prototype.modPow = SmallInteger.prototype.modPow = BigInteger.prototype.modPow;

+

+    function compareAbs(a, b) {

+        if (a.length !== b.length) {

+            return a.length > b.length ? 1 : -1;

+        }

+        for (var i = a.length - 1; i >= 0; i--) {

+            if (a[i] !== b[i]) return a[i] > b[i] ? 1 : -1;

+        }

+        return 0;

+    }

+

+    BigInteger.prototype.compareAbs = function (v) {

+        var n = parseValue(v),

+            a = this.value,

+            b = n.value;

+        if (n.isSmall) return 1;

+        return compareAbs(a, b);

+    };

+    SmallInteger.prototype.compareAbs = function (v) {

+        var n = parseValue(v),

+            a = Math.abs(this.value),

+            b = n.value;

+        if (n.isSmall) {

+            b = Math.abs(b);

+            return a === b ? 0 : a > b ? 1 : -1;

+        }

+        return -1;

+    };

+    NativeBigInt.prototype.compareAbs = function (v) {

+        var a = this.value;

+        var b = parseValue(v).value;

+        a = a >= 0 ? a : -a;

+        b = b >= 0 ? b : -b;

+        return a === b ? 0 : a > b ? 1 : -1;

+    };

+

+    BigInteger.prototype.compare = function (v) {

+        // See discussion about comparison with Infinity:

+        // https://github.com/peterolson/BigInteger.js/issues/61

+        if (v === Infinity) {

+            return -1;

+        }

+        if (v === -Infinity) {

+            return 1;

+        }

+

+        var n = parseValue(v),

+            a = this.value,

+            b = n.value;

+        if (this.sign !== n.sign) {

+            return n.sign ? 1 : -1;

+        }

+        if (n.isSmall) {

+            return this.sign ? -1 : 1;

+        }

+        return compareAbs(a, b) * (this.sign ? -1 : 1);

+    };

+    BigInteger.prototype.compareTo = BigInteger.prototype.compare;

+

+    SmallInteger.prototype.compare = function (v) {

+        if (v === Infinity) {

+            return -1;

+        }

+        if (v === -Infinity) {

+            return 1;

+        }

+

+        var n = parseValue(v),

+            a = this.value,

+            b = n.value;

+        if (n.isSmall) {

+            return a == b ? 0 : a > b ? 1 : -1;

+        }

+        if (a < 0 !== n.sign) {

+            return a < 0 ? -1 : 1;

+        }

+        return a < 0 ? 1 : -1;

+    };

+    SmallInteger.prototype.compareTo = SmallInteger.prototype.compare;

+

+    NativeBigInt.prototype.compare = function (v) {

+        if (v === Infinity) {

+            return -1;

+        }

+        if (v === -Infinity) {

+            return 1;

+        }

+        var a = this.value;

+        var b = parseValue(v).value;

+        return a === b ? 0 : a > b ? 1 : -1;

+    };

+    NativeBigInt.prototype.compareTo = NativeBigInt.prototype.compare;

+

+    BigInteger.prototype.equals = function (v) {

+        return this.compare(v) === 0;

+    };

+    NativeBigInt.prototype.eq = NativeBigInt.prototype.equals = SmallInteger.prototype.eq = SmallInteger.prototype.equals = BigInteger.prototype.eq = BigInteger.prototype.equals;

+

+    BigInteger.prototype.notEquals = function (v) {

+        return this.compare(v) !== 0;

+    };

+    NativeBigInt.prototype.neq = NativeBigInt.prototype.notEquals = SmallInteger.prototype.neq = SmallInteger.prototype.notEquals = BigInteger.prototype.neq = BigInteger.prototype.notEquals;

+

+    BigInteger.prototype.greater = function (v) {

+        return this.compare(v) > 0;

+    };

+    NativeBigInt.prototype.gt = NativeBigInt.prototype.greater = SmallInteger.prototype.gt = SmallInteger.prototype.greater = BigInteger.prototype.gt = BigInteger.prototype.greater;

+

+    BigInteger.prototype.lesser = function (v) {

+        return this.compare(v) < 0;

+    };

+    NativeBigInt.prototype.lt = NativeBigInt.prototype.lesser = SmallInteger.prototype.lt = SmallInteger.prototype.lesser = BigInteger.prototype.lt = BigInteger.prototype.lesser;

+

+    BigInteger.prototype.greaterOrEquals = function (v) {

+        return this.compare(v) >= 0;

+    };

+    NativeBigInt.prototype.geq = NativeBigInt.prototype.greaterOrEquals = SmallInteger.prototype.geq = SmallInteger.prototype.greaterOrEquals = BigInteger.prototype.geq = BigInteger.prototype.greaterOrEquals;

+

+    BigInteger.prototype.lesserOrEquals = function (v) {

+        return this.compare(v) <= 0;

+    };

+    NativeBigInt.prototype.leq = NativeBigInt.prototype.lesserOrEquals = SmallInteger.prototype.leq = SmallInteger.prototype.lesserOrEquals = BigInteger.prototype.leq = BigInteger.prototype.lesserOrEquals;

+

+    BigInteger.prototype.isEven = function () {

+        return (this.value[0] & 1) === 0;

+    };

+    SmallInteger.prototype.isEven = function () {

+        return (this.value & 1) === 0;

+    };

+    NativeBigInt.prototype.isEven = function () {

+        return (this.value & BigInt(1)) === BigInt(0);

+    };

+

+    BigInteger.prototype.isOdd = function () {

+        return (this.value[0] & 1) === 1;

+    };

+    SmallInteger.prototype.isOdd = function () {

+        return (this.value & 1) === 1;

+    };

+    NativeBigInt.prototype.isOdd = function () {

+        return (this.value & BigInt(1)) === BigInt(1);

+    };

+

+    BigInteger.prototype.isPositive = function () {

+        return !this.sign;

+    };

+    SmallInteger.prototype.isPositive = function () {

+        return this.value > 0;

+    };

+    NativeBigInt.prototype.isPositive = SmallInteger.prototype.isPositive;

+

+    BigInteger.prototype.isNegative = function () {

+        return this.sign;

+    };

+    SmallInteger.prototype.isNegative = function () {

+        return this.value < 0;

+    };

+    NativeBigInt.prototype.isNegative = SmallInteger.prototype.isNegative;

+

+    BigInteger.prototype.isUnit = function () {

+        return false;

+    };

+    SmallInteger.prototype.isUnit = function () {

+        return Math.abs(this.value) === 1;

+    };

+    NativeBigInt.prototype.isUnit = function () {

+        return this.abs().value === BigInt(1);

+    };

+

+    BigInteger.prototype.isZero = function () {

+        return false;

+    };

+    SmallInteger.prototype.isZero = function () {

+        return this.value === 0;

+    };

+    NativeBigInt.prototype.isZero = function () {

+        return this.value === BigInt(0);

+    };

+

+    BigInteger.prototype.isDivisibleBy = function (v) {

+        var n = parseValue(v);

+        if (n.isZero()) return false;

+        if (n.isUnit()) return true;

+        if (n.compareAbs(2) === 0) return this.isEven();

+        return this.mod(n).isZero();

+    };

+    NativeBigInt.prototype.isDivisibleBy = SmallInteger.prototype.isDivisibleBy = BigInteger.prototype.isDivisibleBy;

+

+    function isBasicPrime(v) {

+        var n = v.abs();

+        if (n.isUnit()) return false;

+        if (n.equals(2) || n.equals(3) || n.equals(5)) return true;

+        if (n.isEven() || n.isDivisibleBy(3) || n.isDivisibleBy(5)) return false;

+        if (n.lesser(49)) return true;

+        // we don't know if it's prime: let the other functions figure it out

+    }

+

+    function millerRabinTest(n, a) {

+        var nPrev = n.prev(),

+            b = nPrev,

+            r = 0,

+            d, i, x;

+        while (b.isEven()) b = b.divide(2), r++;

+        next: for (i = 0; i < a.length; i++) {

+            if (n.lesser(a[i])) continue;

+            x = bigInt(a[i]).modPow(b, n);

+            if (x.isUnit() || x.equals(nPrev)) continue;

+            for (d = r - 1; d != 0; d--) {

+                x = x.square().mod(n);

+                if (x.isUnit()) return false;

+                if (x.equals(nPrev)) continue next;

+            }

+            return false;

+        }

+        return true;

+    }

+

+    // Set "strict" to true to force GRH-supported lower bound of 2*log(N)^2

+    BigInteger.prototype.isPrime = function (strict) {

+        var isPrime = isBasicPrime(this);

+        if (isPrime !== undefined$1) return isPrime;

+        var n = this.abs();

+        var bits = n.bitLength();

+        if (bits <= 64)

+            return millerRabinTest(n, [2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37]);

+        var logN = Math.log(2) * bits.toJSNumber();

+        var t = Math.ceil((strict === true) ? (2 * Math.pow(logN, 2)) : logN);

+        for (var a = [], i = 0; i < t; i++) {

+            a.push(bigInt(i + 2));

+        }

+        return millerRabinTest(n, a);

+    };

+    NativeBigInt.prototype.isPrime = SmallInteger.prototype.isPrime = BigInteger.prototype.isPrime;

+

+    BigInteger.prototype.isProbablePrime = function (iterations, rng) {

+        var isPrime = isBasicPrime(this);

+        if (isPrime !== undefined$1) return isPrime;

+        var n = this.abs();

+        var t = iterations === undefined$1 ? 5 : iterations;

+        for (var a = [], i = 0; i < t; i++) {

+            a.push(bigInt.randBetween(2, n.minus(2), rng));

+        }

+        return millerRabinTest(n, a);

+    };

+    NativeBigInt.prototype.isProbablePrime = SmallInteger.prototype.isProbablePrime = BigInteger.prototype.isProbablePrime;

+

+    BigInteger.prototype.modInv = function (n) {

+        var t = bigInt.zero, newT = bigInt.one, r = parseValue(n), newR = this.abs(), q, lastT, lastR;

+        while (!newR.isZero()) {

+            q = r.divide(newR);

+            lastT = t;

+            lastR = r;

+            t = newT;

+            r = newR;

+            newT = lastT.subtract(q.multiply(newT));

+            newR = lastR.subtract(q.multiply(newR));

+        }

+        if (!r.isUnit()) throw new Error(this.toString() + " and " + n.toString() + " are not co-prime");

+        if (t.compare(0) === -1) {

+            t = t.add(n);

+        }

+        if (this.isNegative()) {

+            return t.negate();

+        }

+        return t;

+    };

+

+    NativeBigInt.prototype.modInv = SmallInteger.prototype.modInv = BigInteger.prototype.modInv;

+

+    BigInteger.prototype.next = function () {

+        var value = this.value;

+        if (this.sign) {

+            return subtractSmall(value, 1, this.sign);

+        }

+        return new BigInteger(addSmall(value, 1), this.sign);

+    };

+    SmallInteger.prototype.next = function () {

+        var value = this.value;

+        if (value + 1 < MAX_INT) return new SmallInteger(value + 1);

+        return new BigInteger(MAX_INT_ARR, false);

+    };

+    NativeBigInt.prototype.next = function () {

+        return new NativeBigInt(this.value + BigInt(1));

+    };

+

+    BigInteger.prototype.prev = function () {

+        var value = this.value;

+        if (this.sign) {

+            return new BigInteger(addSmall(value, 1), true);

+        }

+        return subtractSmall(value, 1, this.sign);

+    };

+    SmallInteger.prototype.prev = function () {

+        var value = this.value;

+        if (value - 1 > -MAX_INT) return new SmallInteger(value - 1);

+        return new BigInteger(MAX_INT_ARR, true);

+    };

+    NativeBigInt.prototype.prev = function () {

+        return new NativeBigInt(this.value - BigInt(1));

+    };

+

+    var powersOfTwo = [1];

+    while (2 * powersOfTwo[powersOfTwo.length - 1] <= BASE) powersOfTwo.push(2 * powersOfTwo[powersOfTwo.length - 1]);

+    var powers2Length = powersOfTwo.length, highestPower2 = powersOfTwo[powers2Length - 1];

+

+    function shift_isSmall(n) {

+        return Math.abs(n) <= BASE;

+    }

+

+    BigInteger.prototype.shiftLeft = function (v) {

+        var n = parseValue(v).toJSNumber();

+        if (!shift_isSmall(n)) {

+            throw new Error(String(n) + " is too large for shifting.");

+        }

+        if (n < 0) return this.shiftRight(-n);

+        var result = this;

+        if (result.isZero()) return result;

+        while (n >= powers2Length) {

+            result = result.multiply(highestPower2);

+            n -= powers2Length - 1;

+        }

+        return result.multiply(powersOfTwo[n]);

+    };

+    NativeBigInt.prototype.shiftLeft = SmallInteger.prototype.shiftLeft = BigInteger.prototype.shiftLeft;

+

+    BigInteger.prototype.shiftRight = function (v) {

+        var remQuo;

+        var n = parseValue(v).toJSNumber();

+        if (!shift_isSmall(n)) {

+            throw new Error(String(n) + " is too large for shifting.");

+        }

+        if (n < 0) return this.shiftLeft(-n);

+        var result = this;

+        while (n >= powers2Length) {

+            if (result.isZero() || (result.isNegative() && result.isUnit())) return result;

+            remQuo = divModAny(result, highestPower2);

+            result = remQuo[1].isNegative() ? remQuo[0].prev() : remQuo[0];

+            n -= powers2Length - 1;

+        }

+        remQuo = divModAny(result, powersOfTwo[n]);

+        return remQuo[1].isNegative() ? remQuo[0].prev() : remQuo[0];

+    };

+    NativeBigInt.prototype.shiftRight = SmallInteger.prototype.shiftRight = BigInteger.prototype.shiftRight;

+

+    function bitwise(x, y, fn) {

+        y = parseValue(y);

+        var xSign = x.isNegative(), ySign = y.isNegative();

+        var xRem = xSign ? x.not() : x,

+            yRem = ySign ? y.not() : y;

+        var xDigit = 0, yDigit = 0;

+        var xDivMod = null, yDivMod = null;

+        var result = [];

+        while (!xRem.isZero() || !yRem.isZero()) {

+            xDivMod = divModAny(xRem, highestPower2);

+            xDigit = xDivMod[1].toJSNumber();

+            if (xSign) {

+                xDigit = highestPower2 - 1 - xDigit; // two's complement for negative numbers

+            }

+

+            yDivMod = divModAny(yRem, highestPower2);

+            yDigit = yDivMod[1].toJSNumber();

+            if (ySign) {

+                yDigit = highestPower2 - 1 - yDigit; // two's complement for negative numbers

+            }

+

+            xRem = xDivMod[0];

+            yRem = yDivMod[0];

+            result.push(fn(xDigit, yDigit));

+        }

+        var sum = fn(xSign ? 1 : 0, ySign ? 1 : 0) !== 0 ? bigInt(-1) : bigInt(0);

+        for (var i = result.length - 1; i >= 0; i -= 1) {

+            sum = sum.multiply(highestPower2).add(bigInt(result[i]));

+        }

+        return sum;

+    }

+

+    BigInteger.prototype.not = function () {

+        return this.negate().prev();

+    };

+    NativeBigInt.prototype.not = SmallInteger.prototype.not = BigInteger.prototype.not;

+

+    BigInteger.prototype.and = function (n) {

+        return bitwise(this, n, function (a, b) { return a & b; });

+    };

+    NativeBigInt.prototype.and = SmallInteger.prototype.and = BigInteger.prototype.and;

+

+    BigInteger.prototype.or = function (n) {

+        return bitwise(this, n, function (a, b) { return a | b; });

+    };

+    NativeBigInt.prototype.or = SmallInteger.prototype.or = BigInteger.prototype.or;

+

+    BigInteger.prototype.xor = function (n) {

+        return bitwise(this, n, function (a, b) { return a ^ b; });

+    };

+    NativeBigInt.prototype.xor = SmallInteger.prototype.xor = BigInteger.prototype.xor;

+

+    var LOBMASK_I = 1 << 30, LOBMASK_BI = (BASE & -BASE) * (BASE & -BASE) | LOBMASK_I;

+    function roughLOB(n) { // get lowestOneBit (rough)

+        // SmallInteger: return Min(lowestOneBit(n), 1 << 30)

+        // BigInteger: return Min(lowestOneBit(n), 1 << 14) [BASE=1e7]

+        var v = n.value,

+            x = typeof v === "number" ? v | LOBMASK_I :

+                typeof v === "bigint" ? v | BigInt(LOBMASK_I) :

+                    v[0] + v[1] * BASE | LOBMASK_BI;

+        return x & -x;

+    }

+

+    function integerLogarithm(value, base) {

+        if (base.compareTo(value) <= 0) {

+            var tmp = integerLogarithm(value, base.square(base));

+            var p = tmp.p;

+            var e = tmp.e;

+            var t = p.multiply(base);

+            return t.compareTo(value) <= 0 ? { p: t, e: e * 2 + 1 } : { p: p, e: e * 2 };

+        }

+        return { p: bigInt(1), e: 0 };

+    }

+

+    BigInteger.prototype.bitLength = function () {

+        var n = this;

+        if (n.compareTo(bigInt(0)) < 0) {

+            n = n.negate().subtract(bigInt(1));

+        }

+        if (n.compareTo(bigInt(0)) === 0) {

+            return bigInt(0);

+        }

+        return bigInt(integerLogarithm(n, bigInt(2)).e).add(bigInt(1));

+    };

+    NativeBigInt.prototype.bitLength = SmallInteger.prototype.bitLength = BigInteger.prototype.bitLength;

+

+    function max(a, b) {

+        a = parseValue(a);

+        b = parseValue(b);

+        return a.greater(b) ? a : b;

+    }

+    function min(a, b) {

+        a = parseValue(a);

+        b = parseValue(b);

+        return a.lesser(b) ? a : b;

+    }

+    function gcd(a, b) {

+        a = parseValue(a).abs();

+        b = parseValue(b).abs();

+        if (a.equals(b)) return a;

+        if (a.isZero()) return b;

+        if (b.isZero()) return a;

+        var c = Integer[1], d, t;

+        while (a.isEven() && b.isEven()) {

+            d = min(roughLOB(a), roughLOB(b));

+            a = a.divide(d);

+            b = b.divide(d);

+            c = c.multiply(d);

+        }

+        while (a.isEven()) {

+            a = a.divide(roughLOB(a));

+        }

+        do {

+            while (b.isEven()) {

+                b = b.divide(roughLOB(b));

+            }

+            if (a.greater(b)) {

+                t = b; b = a; a = t;

+            }

+            b = b.subtract(a);

+        } while (!b.isZero());

+        return c.isUnit() ? a : a.multiply(c);

+    }

+    function lcm(a, b) {

+        a = parseValue(a).abs();

+        b = parseValue(b).abs();

+        return a.divide(gcd(a, b)).multiply(b);

+    }

+    function randBetween(a, b, rng) {

+        a = parseValue(a);

+        b = parseValue(b);

+        var usedRNG = rng || Math.random;

+        var low = min(a, b), high = max(a, b);

+        var range = high.subtract(low).add(1);

+        if (range.isSmall) return low.add(Math.floor(usedRNG() * range));

+        var digits = toBase(range, BASE).value;

+        var result = [], restricted = true;

+        for (var i = 0; i < digits.length; i++) {

+            var top = restricted ? digits[i] : BASE;

+            var digit = truncate(usedRNG() * top);

+            result.push(digit);

+            if (digit < top) restricted = false;

+        }

+        return low.add(Integer.fromArray(result, BASE, false));

+    }

+

+    var parseBase = function (text, base, alphabet, caseSensitive) {

+        alphabet = alphabet || DEFAULT_ALPHABET;

+        text = String(text);

+        if (!caseSensitive) {

+            text = text.toLowerCase();

+            alphabet = alphabet.toLowerCase();

+        }

+        var length = text.length;

+        var i;

+        var absBase = Math.abs(base);

+        var alphabetValues = {};

+        for (i = 0; i < alphabet.length; i++) {

+            alphabetValues[alphabet[i]] = i;

+        }

+        for (i = 0; i < length; i++) {

+            var c = text[i];

+            if (c === "-") continue;

+            if (c in alphabetValues) {

+                if (alphabetValues[c] >= absBase) {

+                    if (c === "1" && absBase === 1) continue;

+                    throw new Error(c + " is not a valid digit in base " + base + ".");

+                }

+            }

+        }

+        base = parseValue(base);

+        var digits = [];

+        var isNegative = text[0] === "-";

+        for (i = isNegative ? 1 : 0; i < text.length; i++) {

+            var c = text[i];

+            if (c in alphabetValues) digits.push(parseValue(alphabetValues[c]));

+            else if (c === "<") {

+                var start = i;

+                do { i++; } while (text[i] !== ">" && i < text.length);

+                digits.push(parseValue(text.slice(start + 1, i)));

+            }

+            else throw new Error(c + " is not a valid character");

+        }

+        return parseBaseFromArray(digits, base, isNegative);

+    };

+

+    function parseBaseFromArray(digits, base, isNegative) {

+        var val = Integer[0], pow = Integer[1], i;

+        for (i = digits.length - 1; i >= 0; i--) {

+            val = val.add(digits[i].times(pow));

+            pow = pow.times(base);

+        }

+        return isNegative ? val.negate() : val;

+    }

+

+    function stringify(digit, alphabet) {

+        alphabet = alphabet || DEFAULT_ALPHABET;

+        if (digit < alphabet.length) {

+            return alphabet[digit];

+        }

+        return "<" + digit + ">";

+    }

+

+    function toBase(n, base) {

+        base = bigInt(base);

+        if (base.isZero()) {

+            if (n.isZero()) return { value: [0], isNegative: false };

+            throw new Error("Cannot convert nonzero numbers to base 0.");

+        }

+        if (base.equals(-1)) {

+            if (n.isZero()) return { value: [0], isNegative: false };

+            if (n.isNegative())

+                return {

+                    value: [].concat.apply([], Array.apply(null, Array(-n.toJSNumber()))

+                        .map(Array.prototype.valueOf, [1, 0])

+                    ),

+                    isNegative: false

+                };

+

+            var arr = Array.apply(null, Array(n.toJSNumber() - 1))

+                .map(Array.prototype.valueOf, [0, 1]);

+            arr.unshift([1]);

+            return {

+                value: [].concat.apply([], arr),

+                isNegative: false

+            };

+        }

+

+        var neg = false;

+        if (n.isNegative() && base.isPositive()) {

+            neg = true;

+            n = n.abs();

+        }

+        if (base.isUnit()) {

+            if (n.isZero()) return { value: [0], isNegative: false };

+

+            return {

+                value: Array.apply(null, Array(n.toJSNumber()))

+                    .map(Number.prototype.valueOf, 1),

+                isNegative: neg

+            };

+        }

+        var out = [];

+        var left = n, divmod;

+        while (left.isNegative() || left.compareAbs(base) >= 0) {

+            divmod = left.divmod(base);

+            left = divmod.quotient;

+            var digit = divmod.remainder;

+            if (digit.isNegative()) {

+                digit = base.minus(digit).abs();

+                left = left.next();

+            }

+            out.push(digit.toJSNumber());

+        }

+        out.push(left.toJSNumber());

+        return { value: out.reverse(), isNegative: neg };

+    }

+

+    function toBaseString(n, base, alphabet) {

+        var arr = toBase(n, base);

+        return (arr.isNegative ? "-" : "") + arr.value.map(function (x) {

+            return stringify(x, alphabet);

+        }).join('');

+    }

+

+    BigInteger.prototype.toArray = function (radix) {

+        return toBase(this, radix);

+    };

+

+    SmallInteger.prototype.toArray = function (radix) {

+        return toBase(this, radix);

+    };

+

+    NativeBigInt.prototype.toArray = function (radix) {

+        return toBase(this, radix);

+    };

+

+    BigInteger.prototype.toString = function (radix, alphabet) {

+        if (radix === undefined$1) radix = 10;

+        if (radix !== 10) return toBaseString(this, radix, alphabet);

+        var v = this.value, l = v.length, str = String(v[--l]), zeros = "0000000", digit;

+        while (--l >= 0) {

+            digit = String(v[l]);

+            str += zeros.slice(digit.length) + digit;

+        }

+        var sign = this.sign ? "-" : "";

+        return sign + str;

+    };

+

+    SmallInteger.prototype.toString = function (radix, alphabet) {

+        if (radix === undefined$1) radix = 10;

+        if (radix != 10) return toBaseString(this, radix, alphabet);

+        return String(this.value);

+    };

+

+    NativeBigInt.prototype.toString = SmallInteger.prototype.toString;

+

+    NativeBigInt.prototype.toJSON = BigInteger.prototype.toJSON = SmallInteger.prototype.toJSON = function () { return this.toString(); };

+

+    BigInteger.prototype.valueOf = function () {

+        return parseInt(this.toString(), 10);

+    };

+    BigInteger.prototype.toJSNumber = BigInteger.prototype.valueOf;

+

+    SmallInteger.prototype.valueOf = function () {

+        return this.value;

+    };

+    SmallInteger.prototype.toJSNumber = SmallInteger.prototype.valueOf;

+    NativeBigInt.prototype.valueOf = NativeBigInt.prototype.toJSNumber = function () {

+        return parseInt(this.toString(), 10);

+    };

+

+    function parseStringValue(v) {

+        if (isPrecise(+v)) {

+            var x = +v;

+            if (x === truncate(x))

+                return supportsNativeBigInt ? new NativeBigInt(BigInt(x)) : new SmallInteger(x);

+            throw new Error("Invalid integer: " + v);

+        }

+        var sign = v[0] === "-";

+        if (sign) v = v.slice(1);

+        var split = v.split(/e/i);

+        if (split.length > 2) throw new Error("Invalid integer: " + split.join("e"));

+        if (split.length === 2) {

+            var exp = split[1];

+            if (exp[0] === "+") exp = exp.slice(1);

+            exp = +exp;

+            if (exp !== truncate(exp) || !isPrecise(exp)) throw new Error("Invalid integer: " + exp + " is not a valid exponent.");

+            var text = split[0];

+            var decimalPlace = text.indexOf(".");

+            if (decimalPlace >= 0) {

+                exp -= text.length - decimalPlace - 1;

+                text = text.slice(0, decimalPlace) + text.slice(decimalPlace + 1);

+            }

+            if (exp < 0) throw new Error("Cannot include negative exponent part for integers");

+            text += (new Array(exp + 1)).join("0");

+            v = text;

+        }

+        var isValid = /^([0-9][0-9]*)$/.test(v);

+        if (!isValid) throw new Error("Invalid integer: " + v);

+        if (supportsNativeBigInt) {

+            return new NativeBigInt(BigInt(sign ? "-" + v : v));

+        }

+        var r = [], max = v.length, l = LOG_BASE, min = max - l;

+        while (max > 0) {

+            r.push(+v.slice(min, max));

+            min -= l;

+            if (min < 0) min = 0;

+            max -= l;

+        }

+        trim(r);

+        return new BigInteger(r, sign);

+    }

+

+    function parseNumberValue(v) {

+        if (supportsNativeBigInt) {

+            return new NativeBigInt(BigInt(v));

+        }

+        if (isPrecise(v)) {

+            if (v !== truncate(v)) throw new Error(v + " is not an integer.");

+            return new SmallInteger(v);

+        }

+        return parseStringValue(v.toString());

+    }

+

+    function parseValue(v) {

+        if (typeof v === "number") {

+            return parseNumberValue(v);

+        }

+        if (typeof v === "string") {

+            return parseStringValue(v);

+        }

+        if (typeof v === "bigint") {

+            return new NativeBigInt(v);

+        }

+        return v;

+    }

+    // Pre-define numbers in range [-999,999]

+    for (var i = 0; i < 1000; i++) {

+        Integer[i] = parseValue(i);

+        if (i > 0) Integer[-i] = parseValue(-i);

+    }

+    // Backwards compatibility

+    Integer.one = Integer[1];

+    Integer.zero = Integer[0];

+    Integer.minusOne = Integer[-1];

+    Integer.max = max;

+    Integer.min = min;

+    Integer.gcd = gcd;

+    Integer.lcm = lcm;

+    Integer.isInstance = function (x) { return x instanceof BigInteger || x instanceof SmallInteger || x instanceof NativeBigInt; };

+    Integer.randBetween = randBetween;

+

+    Integer.fromArray = function (digits, base, isNegative) {

+        return parseBaseFromArray(digits.map(parseValue), parseValue(base || 10), isNegative);

+    };

+

+    return Integer;

+})();

+

+// Node.js check

+if ( module.hasOwnProperty("exports")) {

+    module.exports = bigInt;

+}

+});
+
+// SHA-256 for JavaScript.
+//
+// Written in 2014-2016 by Dmitry Chestnykh.
+// Public domain, no warranty.
+//
+// Functions (accept and return Uint8Arrays):
+//
+//   sha256(message) -> hash
+//   sha256.hmac(key, message) -> mac
+//
+//  Classes:
+//
+//   new sha256.Hash()
+const digestLength = 32;
+const blockSize = 64;
+// SHA-256 constants
+const K$1 = new Uint32Array([
+    0x428a2f98,
+    0x71374491,
+    0xb5c0fbcf,
+    0xe9b5dba5,
+    0x3956c25b,
+    0x59f111f1,
+    0x923f82a4,
+    0xab1c5ed5,
+    0xd807aa98,
+    0x12835b01,
+    0x243185be,
+    0x550c7dc3,
+    0x72be5d74,
+    0x80deb1fe,
+    0x9bdc06a7,
+    0xc19bf174,
+    0xe49b69c1,
+    0xefbe4786,
+    0x0fc19dc6,
+    0x240ca1cc,
+    0x2de92c6f,
+    0x4a7484aa,
+    0x5cb0a9dc,
+    0x76f988da,
+    0x983e5152,
+    0xa831c66d,
+    0xb00327c8,
+    0xbf597fc7,
+    0xc6e00bf3,
+    0xd5a79147,
+    0x06ca6351,
+    0x14292967,
+    0x27b70a85,
+    0x2e1b2138,
+    0x4d2c6dfc,
+    0x53380d13,
+    0x650a7354,
+    0x766a0abb,
+    0x81c2c92e,
+    0x92722c85,
+    0xa2bfe8a1,
+    0xa81a664b,
+    0xc24b8b70,
+    0xc76c51a3,
+    0xd192e819,
+    0xd6990624,
+    0xf40e3585,
+    0x106aa070,
+    0x19a4c116,
+    0x1e376c08,
+    0x2748774c,
+    0x34b0bcb5,
+    0x391c0cb3,
+    0x4ed8aa4a,
+    0x5b9cca4f,
+    0x682e6ff3,
+    0x748f82ee,
+    0x78a5636f,
+    0x84c87814,
+    0x8cc70208,
+    0x90befffa,
+    0xa4506ceb,
+    0xbef9a3f7,
+    0xc67178f2,
+]);
+function hashBlocks(w, v, p, pos, len) {
+    let a, b, c, d, e, f, g, h, u, i, j, t1, t2;
+    while (len >= 64) {
+        a = v[0];
+        b = v[1];
+        c = v[2];
+        d = v[3];
+        e = v[4];
+        f = v[5];
+        g = v[6];
+        h = v[7];
+        for (i = 0; i < 16; i++) {
+            j = pos + i * 4;
+            w[i] =
+                ((p[j] & 0xff) << 24) |
+                    ((p[j + 1] & 0xff) << 16) |
+                    ((p[j + 2] & 0xff) << 8) |
+                    (p[j + 3] & 0xff);
+        }
+        for (i = 16; i < 64; i++) {
+            u = w[i - 2];
+            t1 =
+                ((u >>> 17) | (u << (32 - 17))) ^
+                    ((u >>> 19) | (u << (32 - 19))) ^
+                    (u >>> 10);
+            u = w[i - 15];
+            t2 =
+                ((u >>> 7) | (u << (32 - 7))) ^
+                    ((u >>> 18) | (u << (32 - 18))) ^
+                    (u >>> 3);
+            w[i] = ((t1 + w[i - 7]) | 0) + ((t2 + w[i - 16]) | 0);
+        }
+        for (i = 0; i < 64; i++) {
+            t1 =
+                ((((((e >>> 6) | (e << (32 - 6))) ^
+                    ((e >>> 11) | (e << (32 - 11))) ^
+                    ((e >>> 25) | (e << (32 - 25)))) +
+                    ((e & f) ^ (~e & g))) |
+                    0) +
+                    ((h + ((K$1[i] + w[i]) | 0)) | 0)) |
+                    0;
+            t2 =
+                ((((a >>> 2) | (a << (32 - 2))) ^
+                    ((a >>> 13) | (a << (32 - 13))) ^
+                    ((a >>> 22) | (a << (32 - 22)))) +
+                    ((a & b) ^ (a & c) ^ (b & c))) |
+                    0;
+            h = g;
+            g = f;
+            f = e;
+            e = (d + t1) | 0;
+            d = c;
+            c = b;
+            b = a;
+            a = (t1 + t2) | 0;
+        }
+        v[0] += a;
+        v[1] += b;
+        v[2] += c;
+        v[3] += d;
+        v[4] += e;
+        v[5] += f;
+        v[6] += g;
+        v[7] += h;
+        pos += 64;
+        len -= 64;
+    }
+    return pos;
+}
+// Hash implements SHA256 hash algorithm.
+class HashSha256 {
+    constructor() {
+        this.digestLength = digestLength;
+        this.blockSize = blockSize;
+        // Note: Int32Array is used instead of Uint32Array for performance reasons.
+        this.state = new Int32Array(8); // hash state
+        this.temp = new Int32Array(64); // temporary state
+        this.buffer = new Uint8Array(128); // buffer for data to hash
+        this.bufferLength = 0; // number of bytes in buffer
+        this.bytesHashed = 0; // number of total bytes hashed
+        this.finished = false; // indicates whether the hash was finalized
+        this.reset();
+    }
+    // Resets hash state making it possible
+    // to re-use this instance to hash other data.
+    reset() {
+        this.state[0] = 0x6a09e667;
+        this.state[1] = 0xbb67ae85;
+        this.state[2] = 0x3c6ef372;
+        this.state[3] = 0xa54ff53a;
+        this.state[4] = 0x510e527f;
+        this.state[5] = 0x9b05688c;
+        this.state[6] = 0x1f83d9ab;
+        this.state[7] = 0x5be0cd19;
+        this.bufferLength = 0;
+        this.bytesHashed = 0;
+        this.finished = false;
+        return this;
+    }
+    // Cleans internal buffers and re-initializes hash state.
+    clean() {
+        for (let i = 0; i < this.buffer.length; i++) {
+            this.buffer[i] = 0;
+        }
+        for (let i = 0; i < this.temp.length; i++) {
+            this.temp[i] = 0;
+        }
+        this.reset();
+    }
+    // Updates hash state with the given data.
+    //
+    // Optionally, length of the data can be specified to hash
+    // fewer bytes than data.length.
+    //
+    // Throws error when trying to update already finalized hash:
+    // instance must be reset to use it again.
+    update(data, dataLength = data.length) {
+        if (this.finished) {
+            throw new Error("SHA256: can't update because hash was finished.");
+        }
+        let dataPos = 0;
+        this.bytesHashed += dataLength;
+        if (this.bufferLength > 0) {
+            while (this.bufferLength < 64 && dataLength > 0) {
+                this.buffer[this.bufferLength++] = data[dataPos++];
+                dataLength--;
+            }
+            if (this.bufferLength === 64) {
+                hashBlocks(this.temp, this.state, this.buffer, 0, 64);
+                this.bufferLength = 0;
+            }
+        }
+        if (dataLength >= 64) {
+            dataPos = hashBlocks(this.temp, this.state, data, dataPos, dataLength);
+            dataLength %= 64;
+        }
+        while (dataLength > 0) {
+            this.buffer[this.bufferLength++] = data[dataPos++];
+            dataLength--;
+        }
+        return this;
+    }
+    // Finalizes hash state and puts hash into out.
+    //
+    // If hash was already finalized, puts the same value.
+    finish(out) {
+        if (!this.finished) {
+            const bytesHashed = this.bytesHashed;
+            const left = this.bufferLength;
+            const bitLenHi = (bytesHashed / 0x20000000) | 0;
+            const bitLenLo = bytesHashed << 3;
+            const padLength = bytesHashed % 64 < 56 ? 64 : 128;
+            this.buffer[left] = 0x80;
+            for (let i = left + 1; i < padLength - 8; i++) {
+                this.buffer[i] = 0;
+            }
+            this.buffer[padLength - 8] = (bitLenHi >>> 24) & 0xff;
+            this.buffer[padLength - 7] = (bitLenHi >>> 16) & 0xff;
+            this.buffer[padLength - 6] = (bitLenHi >>> 8) & 0xff;
+            this.buffer[padLength - 5] = (bitLenHi >>> 0) & 0xff;
+            this.buffer[padLength - 4] = (bitLenLo >>> 24) & 0xff;
+            this.buffer[padLength - 3] = (bitLenLo >>> 16) & 0xff;
+            this.buffer[padLength - 2] = (bitLenLo >>> 8) & 0xff;
+            this.buffer[padLength - 1] = (bitLenLo >>> 0) & 0xff;
+            hashBlocks(this.temp, this.state, this.buffer, 0, padLength);
+            this.finished = true;
+        }
+        for (let i = 0; i < 8; i++) {
+            out[i * 4 + 0] = (this.state[i] >>> 24) & 0xff;
+            out[i * 4 + 1] = (this.state[i] >>> 16) & 0xff;
+            out[i * 4 + 2] = (this.state[i] >>> 8) & 0xff;
+            out[i * 4 + 3] = (this.state[i] >>> 0) & 0xff;
+        }
+        return this;
+    }
+    // Returns the final hash digest.
+    digest() {
+        const out = new Uint8Array(this.digestLength);
+        this.finish(out);
+        return out;
+    }
+    // Internal function for use in HMAC for optimization.
+    _saveState(out) {
+        for (let i = 0; i < this.state.length; i++) {
+            out[i] = this.state[i];
+        }
+    }
+    // Internal function for use in HMAC for optimization.
+    _restoreState(from, bytesHashed) {
+        for (let i = 0; i < this.state.length; i++) {
+            this.state[i] = from[i];
+        }
+        this.bytesHashed = bytesHashed;
+        this.finished = false;
+        this.bufferLength = 0;
+    }
+}
+// Returns SHA256 hash of data.
+function sha256(data) {
+    const h = new HashSha256().update(data);
+    const digest = h.digest();
+    h.clean();
+    return digest;
+}
+
+/*
+ This file is part of GNU Taler
+ (C) 2019 GNUnet e.V.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+function sha512(data) {
+    return hash(data);
+}
+function hmac(digest, blockSize, key, message) {
+    if (key.byteLength > blockSize) {
+        key = digest(key);
+    }
+    if (key.byteLength < blockSize) {
+        const k = key;
+        key = new Uint8Array(blockSize);
+        key.set(k, 0);
+    }
+    const okp = new Uint8Array(blockSize);
+    const ikp = new Uint8Array(blockSize);
+    for (let i = 0; i < blockSize; i++) {
+        ikp[i] = key[i] ^ 0x36;
+        okp[i] = key[i] ^ 0x5c;
+    }
+    const b1 = new Uint8Array(blockSize + message.byteLength);
+    b1.set(ikp, 0);
+    b1.set(message, blockSize);
+    const h0 = digest(b1);
+    const b2 = new Uint8Array(blockSize + h0.length);
+    b2.set(okp, 0);
+    b2.set(h0, blockSize);
+    return digest(b2);
+}
+function hmacSha512(key, message) {
+    return hmac(sha512, 128, key, message);
+}
+function hmacSha256(key, message) {
+    return hmac(sha256, 64, key, message);
+}
+function kdf(outputLength, ikm, salt, info) {
+    // extract
+    const prk = hmacSha512(salt, ikm);
+    // expand
+    const N = Math.ceil(outputLength / 32);
+    const output = new Uint8Array(N * 32);
+    for (let i = 0; i < N; i++) {
+        let buf;
+        if (i == 0) {
+            buf = new Uint8Array(info.byteLength + 1);
+            buf.set(info, 0);
+        }
+        else {
+            buf = new Uint8Array(info.byteLength + 1 + 32);
+            for (let j = 0; j < 32; j++) {
+                buf[j] = output[(i - 1) * 32 + j];
+            }
+            buf.set(info, 32);
+        }
+        buf[buf.length - 1] = i + 1;
+        const chunk = hmacSha256(prk, buf);
+        output.set(chunk, i * 32);
+    }
+    return output.slice(0, outputLength);
+}
+
+/*
+ This file is part of GNU Taler
+ (C) 2019 GNUnet e.V.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+// @ts-ignore
+const decoder = new TextDecoder();
+if (typeof decoder !== "object") {
+    throw Error("FATAL: TextDecoder not available");
+}
+// @ts-ignore
+const encoder = new TextEncoder();
+if (typeof encoder !== "object") {
+    throw Error("FATAL: TextEncoder not available");
+}
+function getRandomBytes(n) {
+    return randomBytes(n);
+}
+const encTable = "0123456789ABCDEFGHJKMNPQRSTVWXYZ";
+class EncodingError extends Error {
+    constructor() {
+        super("Encoding error");
+        Object.setPrototypeOf(this, EncodingError.prototype);
+    }
+}
+function getValue(chr) {
+    let a = chr;
+    switch (chr) {
+        case "O":
+        case "o":
+            a = "0;";
+            break;
+        case "i":
+        case "I":
+        case "l":
+        case "L":
+            a = "1";
+            break;
+        case "u":
+        case "U":
+            a = "V";
+    }
+    if (a >= "0" && a <= "9") {
+        return a.charCodeAt(0) - "0".charCodeAt(0);
+    }
+    if (a >= "a" && a <= "z")
+        a = a.toUpperCase();
+    let dec = 0;
+    if (a >= "A" && a <= "Z") {
+        if ("I" < a)
+            dec++;
+        if ("L" < a)
+            dec++;
+        if ("O" < a)
+            dec++;
+        if ("U" < a)
+            dec++;
+        return a.charCodeAt(0) - "A".charCodeAt(0) + 10 - dec;
+    }
+    throw new EncodingError();
+}
+function encodeCrock(data) {
+    const dataBytes = new Uint8Array(data);
+    let sb = "";
+    const size = data.byteLength;
+    let bitBuf = 0;
+    let numBits = 0;
+    let pos = 0;
+    while (pos < size || numBits > 0) {
+        if (pos < size && numBits < 5) {
+            const d = dataBytes[pos++];
+            bitBuf = (bitBuf << 8) | d;
+            numBits += 8;
+        }
+        if (numBits < 5) {
+            // zero-padding
+            bitBuf = bitBuf << (5 - numBits);
+            numBits = 5;
+        }
+        const v = (bitBuf >>> (numBits - 5)) & 31;
+        sb += encTable[v];
+        numBits -= 5;
+    }
+    return sb;
+}
+function decodeCrock(encoded) {
+    const size = encoded.length;
+    let bitpos = 0;
+    let bitbuf = 0;
+    let readPosition = 0;
+    const outLen = Math.floor((size * 5) / 8);
+    const out = new Uint8Array(outLen);
+    let outPos = 0;
+    while (readPosition < size || bitpos > 0) {
+        if (readPosition < size) {
+            const v = getValue(encoded[readPosition++]);
+            bitbuf = (bitbuf << 5) | v;
+            bitpos += 5;
+        }
+        while (bitpos >= 8) {
+            const d = (bitbuf >>> (bitpos - 8)) & 0xff;
+            out[outPos++] = d;
+            bitpos -= 8;
+        }
+        if (readPosition == size && bitpos > 0) {
+            bitbuf = (bitbuf << (8 - bitpos)) & 0xff;
+            bitpos = bitbuf == 0 ? 0 : 8;
+        }
+    }
+    return out;
+}
+function eddsaGetPublic(eddsaPriv) {
+    const pair = sign_keyPair_fromSeed(eddsaPriv);
+    return pair.publicKey;
+}
+function ecdheGetPublic(ecdhePriv) {
+    return scalarMult_base(ecdhePriv);
+}
+function keyExchangeEcdheEddsa(ecdhePriv, eddsaPub) {
+    const curve25519Pub = sign_ed25519_pk_to_curve25519(eddsaPub);
+    const x = scalarMult(ecdhePriv, curve25519Pub);
+    return hash(x);
+}
+/**
+ * KDF modulo a big integer.
+ */
+function kdfMod(n, ikm, salt, info) {
+    const nbits = n.bitLength().toJSNumber();
+    const buflen = Math.floor((nbits - 1) / 8 + 1);
+    const mask = (1 << (8 - (buflen * 8 - nbits))) - 1;
+    let counter = 0;
+    while (true) {
+        const ctx = new Uint8Array(info.byteLength + 2);
+        ctx.set(info, 0);
+        ctx[ctx.length - 2] = (counter >>> 8) & 0xff;
+        ctx[ctx.length - 1] = counter & 0xff;
+        const buf = kdf(buflen, ikm, salt, ctx);
+        const arr = Array.from(buf);
+        arr[0] = arr[0] & mask;
+        const r = BigInteger.fromArray(arr, 256, false);
+        if (r.lt(n)) {
+            return r;
+        }
+        counter++;
+    }
+}
+function stringToBytes(s) {
+    return encoder.encode(s);
+}
+function bytesToString(b) {
+    return decoder.decode(b);
+}
+function loadBigInt(arr) {
+    return BigInteger.fromArray(Array.from(arr), 256, false);
+}
+function rsaBlindingKeyDerive(rsaPub, bks) {
+    const salt = stringToBytes("Blinding KDF extractor HMAC key");
+    const info = stringToBytes("Blinding KDF");
+    return kdfMod(rsaPub.N, bks, salt, info);
+}
+/*
+ * Test for malicious RSA key.
+ *
+ * Assuming n is an RSA modulous and r is generated using a call to
+ * GNUNET_CRYPTO_kdf_mod_mpi, if gcd(r,n) != 1 then n must be a
+ * malicious RSA key designed to deanomize the user.
+ *
+ * @param r KDF result
+ * @param n RSA modulus of the public key
+ */
+function rsaGcdValidate(r, n) {
+    const t = BigInteger.gcd(r, n);
+    if (!t.equals(BigInteger.one)) {
+        throw Error("malicious RSA public key");
+    }
+}
+function rsaFullDomainHash(hm, rsaPub) {
+    const info = stringToBytes("RSA-FDA FTpsW!");
+    const salt = rsaPubEncode(rsaPub);
+    const r = kdfMod(rsaPub.N, hm, salt, info);
+    rsaGcdValidate(r, rsaPub.N);
+    return r;
+}
+function rsaPubDecode(rsaPub) {
+    const modulusLength = (rsaPub[0] << 8) | rsaPub[1];
+    const exponentLength = (rsaPub[2] << 8) | rsaPub[3];
+    if (4 + exponentLength + modulusLength != rsaPub.length) {
+        throw Error("invalid RSA public key (format wrong)");
+    }
+    const modulus = rsaPub.slice(4, 4 + modulusLength);
+    const exponent = rsaPub.slice(4 + modulusLength, 4 + modulusLength + exponentLength);
+    const res = {
+        N: loadBigInt(modulus),
+        e: loadBigInt(exponent),
+    };
+    return res;
+}
+function rsaPubEncode(rsaPub) {
+    const mb = rsaPub.N.toArray(256).value;
+    const eb = rsaPub.e.toArray(256).value;
+    const out = new Uint8Array(4 + mb.length + eb.length);
+    out[0] = (mb.length >>> 8) & 0xff;
+    out[1] = mb.length & 0xff;
+    out[2] = (eb.length >>> 8) & 0xff;
+    out[3] = eb.length & 0xff;
+    out.set(mb, 4);
+    out.set(eb, 4 + mb.length);
+    return out;
+}
+function rsaBlind(hm, bks, rsaPubEnc) {
+    const rsaPub = rsaPubDecode(rsaPubEnc);
+    const data = rsaFullDomainHash(hm, rsaPub);
+    const r = rsaBlindingKeyDerive(rsaPub, bks);
+    const r_e = r.modPow(rsaPub.e, rsaPub.N);
+    const bm = r_e.multiply(data).mod(rsaPub.N);
+    return new Uint8Array(bm.toArray(256).value);
+}
+function rsaUnblind(sig, rsaPubEnc, bks) {
+    const rsaPub = rsaPubDecode(rsaPubEnc);
+    const blinded_s = loadBigInt(sig);
+    const r = rsaBlindingKeyDerive(rsaPub, bks);
+    const r_inv = r.modInv(rsaPub.N);
+    const s = blinded_s.multiply(r_inv).mod(rsaPub.N);
+    return new Uint8Array(s.toArray(256).value);
+}
+function rsaVerify(hm, rsaSig, rsaPubEnc) {
+    const rsaPub = rsaPubDecode(rsaPubEnc);
+    const d = rsaFullDomainHash(hm, rsaPub);
+    const sig = loadBigInt(rsaSig);
+    const sig_e = sig.modPow(rsaPub.e, rsaPub.N);
+    return sig_e.equals(d);
+}
+function createEddsaKeyPair() {
+    const eddsaPriv = randomBytes(32);
+    const eddsaPub = eddsaGetPublic(eddsaPriv);
+    return { eddsaPriv, eddsaPub };
+}
+function hash$1(d) {
+    return hash(d);
+}
+function eddsaSign(msg, eddsaPriv) {
+    const pair = sign_keyPair_fromSeed(eddsaPriv);
+    return sign_detached(msg, pair.secretKey);
+}
+function eddsaVerify(msg, sig, eddsaPub) {
+    return sign_detached_verify(msg, sig, eddsaPub);
+}
+function createHashContext() {
+    return new HashState();
+}
+function setupRefreshPlanchet(secretSeed, coinNumber) {
+    const info = stringToBytes("taler-coin-derivation");
+    const saltArrBuf = new ArrayBuffer(4);
+    const salt = new Uint8Array(saltArrBuf);
+    const saltDataView = new DataView(saltArrBuf);
+    saltDataView.setUint32(0, coinNumber);
+    const out = kdf(64, secretSeed, salt, info);
+    const coinPriv = out.slice(0, 32);
+    const bks = out.slice(32, 64);
+    return {
+        bks,
+        coinPriv,
+        coinPub: eddsaGetPublic(coinPriv),
+    };
+}
+function setupWithdrawPlanchet(secretSeed, coinNumber) {
+    const info = stringToBytes("taler-withdrawal-coin-derivation");
+    const saltArrBuf = new ArrayBuffer(4);
+    const salt = new Uint8Array(saltArrBuf);
+    const saltDataView = new DataView(saltArrBuf);
+    saltDataView.setUint32(0, coinNumber);
+    const out = kdf(64, secretSeed, salt, info);
+    const coinPriv = out.slice(0, 32);
+    const bks = out.slice(32, 64);
+    return {
+        bks,
+        coinPriv,
+        coinPub: eddsaGetPublic(coinPriv),
+    };
+}
+function setupTipPlanchet(secretSeed, coinNumber) {
+    const info = stringToBytes("taler-tip-coin-derivation");
+    const saltArrBuf = new ArrayBuffer(4);
+    const salt = new Uint8Array(saltArrBuf);
+    const saltDataView = new DataView(saltArrBuf);
+    saltDataView.setUint32(0, coinNumber);
+    const out = kdf(64, secretSeed, salt, info);
+    const coinPriv = out.slice(0, 32);
+    const bks = out.slice(32, 64);
+    return {
+        bks,
+        coinPriv,
+        coinPub: eddsaGetPublic(coinPriv),
+    };
+}
+function setupRefreshTransferPub(secretSeed, transferPubIndex) {
+    const info = stringToBytes("taler-transfer-pub-derivation");
+    const saltArrBuf = new ArrayBuffer(4);
+    const salt = new Uint8Array(saltArrBuf);
+    const saltDataView = new DataView(saltArrBuf);
+    saltDataView.setUint32(0, transferPubIndex);
+    const out = kdf(32, secretSeed, salt, info);
+    return {
+        ecdhePriv: out,
+        ecdhePub: ecdheGetPublic(out),
+    };
+}
+
+/*
+ This file is part of GNU Taler
+ (C) 2019 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+var ReserveTransactionType;
+(function (ReserveTransactionType) {
+    ReserveTransactionType["Withdraw"] = "WITHDRAW";
+    ReserveTransactionType["Credit"] = "CREDIT";
+    ReserveTransactionType["Recoup"] = "RECOUP";
+    ReserveTransactionType["Closing"] = "CLOSING";
+})(ReserveTransactionType || (ReserveTransactionType = {}));
+const codecForReserveWithdrawTransaction = () => buildCodecForObject()
+    .property("amount", codecForString())
+    .property("h_coin_envelope", codecForString())
+    .property("h_denom_pub", codecForString())
+    .property("reserve_sig", codecForString())
+    .property("type", codecForConstString(ReserveTransactionType.Withdraw))
+    .property("withdraw_fee", codecForString())
+    .build("ReserveWithdrawTransaction");
+const codecForReserveCreditTransaction = () => buildCodecForObject()
+    .property("amount", codecForString())
+    .property("sender_account_url", codecForString())
+    .property("timestamp", codecForTimestamp)
+    .property("wire_reference", codecForNumber())
+    .property("type", codecForConstString(ReserveTransactionType.Credit))
+    .build("ReserveCreditTransaction");
+const codecForReserveClosingTransaction = () => buildCodecForObject()
+    .property("amount", codecForString())
+    .property("closing_fee", codecForString())
+    .property("exchange_pub", codecForString())
+    .property("exchange_sig", codecForString())
+    .property("h_wire", codecForString())
+    .property("timestamp", codecForTimestamp)
+    .property("type", codecForConstString(ReserveTransactionType.Closing))
+    .property("wtid", codecForString())
+    .build("ReserveClosingTransaction");
+const codecForReserveRecoupTransaction = () => buildCodecForObject()
+    .property("amount", codecForString())
+    .property("coin_pub", codecForString())
+    .property("exchange_pub", codecForString())
+    .property("exchange_sig", codecForString())
+    .property("timestamp", codecForTimestamp)
+    .property("type", codecForConstString(ReserveTransactionType.Recoup))
+    .build("ReserveRecoupTransaction");
+const codecForReserveTransaction = () => buildCodecForUnion()
+    .discriminateOn("type")
+    .alternative(ReserveTransactionType.Withdraw, codecForReserveWithdrawTransaction())
+    .alternative(ReserveTransactionType.Closing, codecForReserveClosingTransaction())
+    .alternative(ReserveTransactionType.Recoup, codecForReserveRecoupTransaction())
+    .alternative(ReserveTransactionType.Credit, codecForReserveCreditTransaction())
+    .build("ReserveTransaction");
+
+/*
+ This file is part of GNU Taler
+ (C) 2019 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+const codecForReserveStatus = () => buildCodecForObject()
+    .property("balance", codecForString())
+    .property("history", codecForList(codecForReserveTransaction()))
+    .build("ReserveStatus");
+
+/*
+ This file is part of TALER
+ (C) 2016 GNUnet e.V.
+
+ TALER is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+var HttpResponseStatus;
+(function (HttpResponseStatus) {
+    HttpResponseStatus[HttpResponseStatus["Ok"] = 200] = "Ok";
+    HttpResponseStatus[HttpResponseStatus["NoContent"] = 204] = "NoContent";
+    HttpResponseStatus[HttpResponseStatus["Gone"] = 210] = "Gone";
+    HttpResponseStatus[HttpResponseStatus["NotModified"] = 304] = "NotModified";
+    HttpResponseStatus[HttpResponseStatus["PaymentRequired"] = 402] = "PaymentRequired";
+    HttpResponseStatus[HttpResponseStatus["Conflict"] = 409] = "Conflict";
+})(HttpResponseStatus || (HttpResponseStatus = {}));
+/**
+ * Headers, roughly modeled after the fetch API's headers object.
+ */
+class Headers {
+    constructor() {
+        this.headerMap = new Map();
+    }
+    get(name) {
+        const r = this.headerMap.get(name.toLowerCase());
+        if (r) {
+            return r;
+        }
+        return null;
+    }
+    set(name, value) {
+        const normalizedName = name.toLowerCase();
+        const existing = this.headerMap.get(normalizedName);
+        if (existing !== undefined) {
+            this.headerMap.set(normalizedName, existing + "," + value);
+        }
+        else {
+            this.headerMap.set(normalizedName, value);
+        }
+    }
+    toJSON() {
+        const m = {};
+        this.headerMap.forEach((v, k) => (m[k] = v));
+        return m;
+    }
+}
+function readSuccessResponseJsonOrErrorCode(httpResponse, codec) {
+    return __awaiter(this, void 0, void 0, function* () {
+        if (!(httpResponse.status >= 200 && httpResponse.status < 300)) {
+            const errJson = yield httpResponse.json();
+            const talerErrorCode = errJson.code;
+            if (typeof talerErrorCode !== "number") {
+                throw new OperationFailedError(makeErrorDetails(TalerErrorCode.WALLET_RECEIVED_MALFORMED_RESPONSE, "Error response did not contain error code", {
+                    requestUrl: httpResponse.requestUrl,
+                    requestMethod: httpResponse.requestMethod,
+                    httpStatusCode: httpResponse.status,
+                }));
+            }
+            return {
+                isError: true,
+                talerErrorResponse: errJson,
+            };
+        }
+        const respJson = yield httpResponse.json();
+        let parsedResponse;
+        try {
+            parsedResponse = codec.decode(respJson);
+        }
+        catch (e) {
+            throw OperationFailedError.fromCode(TalerErrorCode.WALLET_RECEIVED_MALFORMED_RESPONSE, "Response invalid", {
+                requestUrl: httpResponse.requestUrl,
+                httpStatusCode: httpResponse.status,
+                validationError: e.toString(),
+            });
+        }
+        return {
+            isError: false,
+            response: parsedResponse,
+        };
+    });
+}
+function getHttpResponseErrorDetails(httpResponse) {
+    return {
+        requestUrl: httpResponse.requestUrl,
+        httpStatusCode: httpResponse.status,
+    };
+}
+function throwUnexpectedRequestError(httpResponse, talerErrorResponse) {
+    throw new OperationFailedError(makeErrorDetails(TalerErrorCode.WALLET_UNEXPECTED_REQUEST_ERROR, "Unexpected error code in response", {
+        requestUrl: httpResponse.requestUrl,
+        httpStatusCode: httpResponse.status,
+        errorResponse: talerErrorResponse,
+    }));
+}
+function readSuccessResponseJsonOrThrow(httpResponse, codec) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const r = yield readSuccessResponseJsonOrErrorCode(httpResponse, codec);
+        if (!r.isError) {
+            return r.response;
+        }
+        throwUnexpectedRequestError(httpResponse, r.talerErrorResponse);
+    });
+}
+function readSuccessResponseTextOrErrorCode(httpResponse) {
+    return __awaiter(this, void 0, void 0, function* () {
+        if (!(httpResponse.status >= 200 && httpResponse.status < 300)) {
+            const errJson = yield httpResponse.json();
+            const talerErrorCode = errJson.code;
+            if (typeof talerErrorCode !== "number") {
+                throw new OperationFailedError(makeErrorDetails(TalerErrorCode.WALLET_RECEIVED_MALFORMED_RESPONSE, "Error response did not contain error code", {
+                    httpStatusCode: httpResponse.status,
+                    requestUrl: httpResponse.requestUrl,
+                    requestMethod: httpResponse.requestMethod,
+                }));
+            }
+            return {
+                isError: true,
+                talerErrorResponse: errJson,
+            };
+        }
+        const respJson = yield httpResponse.text();
+        return {
+            isError: false,
+            response: respJson,
+        };
+    });
+}
+function checkSuccessResponseOrThrow(httpResponse) {
+    return __awaiter(this, void 0, void 0, function* () {
+        if (!(httpResponse.status >= 200 && httpResponse.status < 300)) {
+            const errJson = yield httpResponse.json();
+            const talerErrorCode = errJson.code;
+            if (typeof talerErrorCode !== "number") {
+                throw new OperationFailedError(makeErrorDetails(TalerErrorCode.WALLET_RECEIVED_MALFORMED_RESPONSE, "Error response did not contain error code", {
+                    httpStatusCode: httpResponse.status,
+                    requestUrl: httpResponse.requestUrl,
+                    requestMethod: httpResponse.requestMethod,
+                }));
+            }
+            throwUnexpectedRequestError(httpResponse, errJson);
+        }
+    });
+}
+function readSuccessResponseTextOrThrow(httpResponse) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const r = yield readSuccessResponseTextOrErrorCode(httpResponse);
+        if (!r.isError) {
+            return r.response;
+        }
+        throwUnexpectedRequestError(httpResponse, r.talerErrorResponse);
+    });
+}
+/**
+ * Get the timestamp at which the response's content is considered expired.
+ */
+function getExpiryTimestamp(httpResponse, opt) {
+    var _a;
+    const expiryDateMs = new Date((_a = httpResponse.headers.get("expiry")) !== null && _a !== void 0 ? _a : "").getTime();
+    let t;
+    if (Number.isNaN(expiryDateMs)) {
+        t = getTimestampNow();
+    }
+    else {
+        t = {
+            t_ms: expiryDateMs,
+        };
+    }
+    if (opt.minDuration) {
+        const t2 = timestampAddDuration(getTimestampNow(), opt.minDuration);
+        return timestampMax(t, t2);
+    }
+    return t;
+}
+
+/*
+ This file is part of GNU Taler
+ (C) 2020 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+const defaultRetryPolicy = {
+    backoffBase: 1.5,
+    backoffDelta: { d_ms: 200 },
+};
+function updateRetryInfoTimeout(r, p = defaultRetryPolicy) {
+    const now = getTimestampNow();
+    if (now.t_ms === "never") {
+        throw Error("assertion failed");
+    }
+    if (p.backoffDelta.d_ms === "forever") {
+        r.nextRetry = { t_ms: "never" };
+        return;
+    }
+    r.active = true;
+    const t = now.t_ms + p.backoffDelta.d_ms * Math.pow(p.backoffBase, r.retryCounter);
+    r.nextRetry = { t_ms: t };
+}
+function getRetryDuration(r, p = defaultRetryPolicy) {
+    if (p.backoffDelta.d_ms === "forever") {
+        return { d_ms: "forever" };
+    }
+    const t = p.backoffDelta.d_ms * Math.pow(p.backoffBase, r.retryCounter);
+    return { d_ms: t };
+}
+function initRetryInfo(active = true, p = defaultRetryPolicy) {
+    if (!active) {
+        return {
+            active: false,
+            firstTry: { t_ms: Number.MAX_SAFE_INTEGER },
+            nextRetry: { t_ms: Number.MAX_SAFE_INTEGER },
+            retryCounter: 0,
+        };
+    }
+    const info = {
+        firstTry: getTimestampNow(),
+        active: true,
+        nextRetry: { t_ms: 0 },
+        retryCounter: 0,
+    };
+    updateRetryInfoTimeout(info, p);
+    return info;
+}
+
+/*
+ This file is part of GNU Taler
+ (C) 2019 GNUnet e.V.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+const logger$1 = new Logger("reserves.ts");
+function resetReserveRetry(ws, reservePub) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield ws.db.mutate(Stores.reserves, reservePub, (x) => {
+            if (x.retryInfo.active) {
+                x.retryInfo = initRetryInfo();
+            }
+            return x;
+        });
+    });
+}
+/**
+ * Create a reserve, but do not flag it as confirmed yet.
+ *
+ * Adds the corresponding exchange as a trusted exchange if it is neither
+ * audited nor trusted already.
+ */
+function createReserve(ws, req) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const keypair = yield ws.cryptoApi.createEddsaKeypair();
+        const now = getTimestampNow();
+        const canonExchange = canonicalizeBaseUrl(req.exchange);
+        let reserveStatus;
+        if (req.bankWithdrawStatusUrl) {
+            reserveStatus = ReserveRecordStatus.REGISTERING_BANK;
+        }
+        else {
+            reserveStatus = ReserveRecordStatus.QUERYING_STATUS;
+        }
+        let bankInfo;
+        if (req.bankWithdrawStatusUrl) {
+            if (!req.exchangePaytoUri) {
+                throw Error("Exchange payto URI must be specified for a bank-integrated withdrawal");
+            }
+            bankInfo = {
+                statusUrl: req.bankWithdrawStatusUrl,
+                exchangePaytoUri: req.exchangePaytoUri,
+            };
+        }
+        const initialWithdrawalGroupId = encodeCrock(getRandomBytes(32));
+        yield updateWithdrawalDenoms(ws, canonExchange);
+        const denoms = yield getCandidateWithdrawalDenoms(ws, canonExchange);
+        const denomSelInfo = selectWithdrawalDenominations(req.amount, denoms);
+        const initialDenomSel = denomSelectionInfoToState(denomSelInfo);
+        const reserveRecord = {
+            instructedAmount: req.amount,
+            initialWithdrawalGroupId,
+            initialDenomSel,
+            initialWithdrawalStarted: false,
+            timestampCreated: now,
+            exchangeBaseUrl: canonExchange,
+            reservePriv: keypair.priv,
+            reservePub: keypair.pub,
+            senderWire: req.senderWire,
+            timestampBankConfirmed: undefined,
+            timestampReserveInfoPosted: undefined,
+            bankInfo,
+            reserveStatus,
+            lastSuccessfulStatusQuery: undefined,
+            retryInfo: initRetryInfo(),
+            lastError: undefined,
+            currency: req.amount.currency,
+            requestedQuery: false,
+        };
+        const exchangeInfo = yield updateExchangeFromUrl(ws, req.exchange);
+        const exchangeDetails = exchangeInfo.details;
+        if (!exchangeDetails) {
+            logger$1.trace(exchangeDetails);
+            throw Error("exchange not updated");
+        }
+        const { isAudited, isTrusted } = yield getExchangeTrust(ws, exchangeInfo);
+        let currencyRecord = yield ws.db.get(Stores.currencies, exchangeDetails.currency);
+        if (!currencyRecord) {
+            currencyRecord = {
+                auditors: [],
+                exchanges: [],
+                fractionalDigits: 2,
+                name: exchangeDetails.currency,
+            };
+        }
+        if (!isAudited && !isTrusted) {
+            currencyRecord.exchanges.push({
+                exchangeBaseUrl: req.exchange,
+                exchangeMasterPub: exchangeDetails.masterPublicKey,
+            });
+        }
+        const cr = currencyRecord;
+        const resp = yield ws.db.runWithWriteTransaction([Stores.currencies, Stores.reserves, Stores.bankWithdrawUris], (tx) => __awaiter(this, void 0, void 0, function* () {
+            var _a;
+            // Check if we have already created a reserve for that bankWithdrawStatusUrl
+            if ((_a = reserveRecord.bankInfo) === null || _a === void 0 ? void 0 : _a.statusUrl) {
+                const bwi = yield tx.get(Stores.bankWithdrawUris, reserveRecord.bankInfo.statusUrl);
+                if (bwi) {
+                    const otherReserve = yield tx.get(Stores.reserves, bwi.reservePub);
+                    if (otherReserve) {
+                        logger$1.trace("returning existing reserve for bankWithdrawStatusUri");
+                        return {
+                            exchange: otherReserve.exchangeBaseUrl,
+                            reservePub: otherReserve.reservePub,
+                        };
+                    }
+                }
+                yield tx.put(Stores.bankWithdrawUris, {
+                    reservePub: reserveRecord.reservePub,
+                    talerWithdrawUri: reserveRecord.bankInfo.statusUrl,
+                });
+            }
+            yield tx.put(Stores.currencies, cr);
+            yield tx.put(Stores.reserves, reserveRecord);
+            const r = {
+                exchange: canonExchange,
+                reservePub: keypair.pub,
+            };
+            return r;
+        }));
+        if (reserveRecord.reservePub === resp.reservePub) {
+            // Only emit notification when a new reserve was created.
+            ws.notify({
+                type: NotificationType.ReserveCreated,
+                reservePub: reserveRecord.reservePub,
+            });
+        }
+        // Asynchronously process the reserve, but return
+        // to the caller already.
+        processReserve(ws, resp.reservePub, true).catch((e) => {
+            logger$1.error("Processing reserve (after createReserve) failed:", e);
+        });
+        return resp;
+    });
+}
+/**
+ * Re-query the status of a reserve.
+ */
+function forceQueryReserve(ws, reservePub) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield ws.db.runWithWriteTransaction([Stores.reserves], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const reserve = yield tx.get(Stores.reserves, reservePub);
+            if (!reserve) {
+                return;
+            }
+            // Only force status query where it makes sense
+            switch (reserve.reserveStatus) {
+                case ReserveRecordStatus.DORMANT:
+                    reserve.reserveStatus = ReserveRecordStatus.QUERYING_STATUS;
+                    break;
+                default:
+                    reserve.requestedQuery = true;
+                    break;
+            }
+            reserve.retryInfo = initRetryInfo();
+            yield tx.put(Stores.reserves, reserve);
+        }));
+        yield processReserve(ws, reservePub, true);
+    });
+}
+/**
+ * First fetch information requred to withdraw from the reserve,
+ * then deplete the reserve, withdrawing coins until it is empty.
+ *
+ * The returned promise resolves once the reserve is set to the
+ * state DORMANT.
+ */
+function processReserve(ws, reservePub, forceNow = false) {
+    return __awaiter(this, void 0, void 0, function* () {
+        return ws.memoProcessReserve.memo(reservePub, () => __awaiter(this, void 0, void 0, function* () {
+            const onOpError = (err) => incrementReserveRetry(ws, reservePub, err);
+            yield guardOperationException(() => processReserveImpl(ws, reservePub, forceNow), onOpError);
+        }));
+    });
+}
+function registerReserveWithBank(ws, reservePub) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const reserve = yield ws.db.get(Stores.reserves, reservePub);
+        switch (reserve === null || reserve === void 0 ? void 0 : reserve.reserveStatus) {
+            case ReserveRecordStatus.WAIT_CONFIRM_BANK:
+            case ReserveRecordStatus.REGISTERING_BANK:
+                break;
+            default:
+                return;
+        }
+        const bankInfo = reserve.bankInfo;
+        if (!bankInfo) {
+            return;
+        }
+        const bankStatusUrl = bankInfo.statusUrl;
+        const httpResp = yield ws.http.postJson(bankStatusUrl, {
+            reserve_pub: reservePub,
+            selected_exchange: bankInfo.exchangePaytoUri,
+        }, {
+            timeout: getReserveRequestTimeout(reserve),
+        });
+        yield readSuccessResponseJsonOrThrow(httpResp, codecForBankWithdrawalOperationPostResponse());
+        yield ws.db.mutate(Stores.reserves, reservePub, (r) => {
+            switch (r.reserveStatus) {
+                case ReserveRecordStatus.REGISTERING_BANK:
+                case ReserveRecordStatus.WAIT_CONFIRM_BANK:
+                    break;
+                default:
+                    return;
+            }
+            r.timestampReserveInfoPosted = getTimestampNow();
+            r.reserveStatus = ReserveRecordStatus.WAIT_CONFIRM_BANK;
+            if (!r.bankInfo) {
+                throw Error("invariant failed");
+            }
+            r.retryInfo = initRetryInfo();
+            return r;
+        });
+        ws.notify({ type: NotificationType.ReserveRegisteredWithBank });
+        return processReserveBankStatus(ws, reservePub);
+    });
+}
+function processReserveBankStatus(ws, reservePub) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const onOpError = (err) => incrementReserveRetry(ws, reservePub, err);
+        yield guardOperationException(() => processReserveBankStatusImpl(ws, reservePub), onOpError);
+    });
+}
+function getReserveRequestTimeout(r) {
+    return durationMax({ d_ms: 60000 }, durationMin({ d_ms: 5000 }, getRetryDuration(r.retryInfo)));
+}
+function processReserveBankStatusImpl(ws, reservePub) {
+    var _a;
+    return __awaiter(this, void 0, void 0, function* () {
+        const reserve = yield ws.db.get(Stores.reserves, reservePub);
+        switch (reserve === null || reserve === void 0 ? void 0 : reserve.reserveStatus) {
+            case ReserveRecordStatus.WAIT_CONFIRM_BANK:
+            case ReserveRecordStatus.REGISTERING_BANK:
+                break;
+            default:
+                return;
+        }
+        const bankStatusUrl = (_a = reserve.bankInfo) === null || _a === void 0 ? void 0 : _a.statusUrl;
+        if (!bankStatusUrl) {
+            return;
+        }
+        const statusResp = yield ws.http.get(bankStatusUrl, {
+            timeout: getReserveRequestTimeout(reserve),
+        });
+        const status = yield readSuccessResponseJsonOrThrow(statusResp, codecForWithdrawOperationStatusResponse());
+        if (status.aborted) {
+            logger$1.trace("bank aborted the withdrawal");
+            yield ws.db.mutate(Stores.reserves, reservePub, (r) => {
+                switch (r.reserveStatus) {
+                    case ReserveRecordStatus.REGISTERING_BANK:
+                    case ReserveRecordStatus.WAIT_CONFIRM_BANK:
+                        break;
+                    default:
+                        return;
+                }
+                const now = getTimestampNow();
+                r.timestampBankConfirmed = now;
+                r.reserveStatus = ReserveRecordStatus.BANK_ABORTED;
+                r.retryInfo = initRetryInfo();
+                return r;
+            });
+            return;
+        }
+        if (status.selection_done) {
+            if (reserve.reserveStatus === ReserveRecordStatus.REGISTERING_BANK) {
+                yield registerReserveWithBank(ws, reservePub);
+                return yield processReserveBankStatus(ws, reservePub);
+            }
+        }
+        else {
+            yield registerReserveWithBank(ws, reservePub);
+            return yield processReserveBankStatus(ws, reservePub);
+        }
+        if (status.transfer_done) {
+            yield ws.db.mutate(Stores.reserves, reservePub, (r) => {
+                switch (r.reserveStatus) {
+                    case ReserveRecordStatus.REGISTERING_BANK:
+                    case ReserveRecordStatus.WAIT_CONFIRM_BANK:
+                        break;
+                    default:
+                        return;
+                }
+                const now = getTimestampNow();
+                r.timestampBankConfirmed = now;
+                r.reserveStatus = ReserveRecordStatus.QUERYING_STATUS;
+                r.retryInfo = initRetryInfo();
+                return r;
+            });
+            yield processReserveImpl(ws, reservePub, true);
+        }
+        else {
+            yield ws.db.mutate(Stores.reserves, reservePub, (r) => {
+                switch (r.reserveStatus) {
+                    case ReserveRecordStatus.WAIT_CONFIRM_BANK:
+                        break;
+                    default:
+                        return;
+                }
+                if (r.bankInfo) {
+                    r.bankInfo.confirmUrl = status.confirm_transfer_url;
+                }
+                return r;
+            });
+            yield incrementReserveRetry(ws, reservePub, undefined);
+        }
+    });
+}
+function incrementReserveRetry(ws, reservePub, err) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield ws.db.runWithWriteTransaction([Stores.reserves], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const r = yield tx.get(Stores.reserves, reservePub);
+            if (!r) {
+                return;
+            }
+            if (!r.retryInfo) {
+                return;
+            }
+            r.retryInfo.retryCounter++;
+            updateRetryInfoTimeout(r.retryInfo);
+            r.lastError = err;
+            yield tx.put(Stores.reserves, r);
+        }));
+        if (err) {
+            ws.notify({
+                type: NotificationType.ReserveOperationError,
+                error: err,
+            });
+        }
+    });
+}
+/**
+ * Update the information about a reserve that is stored in the wallet
+ * by quering the reserve's exchange.
+ *
+ * If the reserve have funds that are not allocated in a withdrawal group yet
+ * and are big enough to withdraw with available denominations,
+ * create a new withdrawal group for the remaining amount.
+ */
+function updateReserve(ws, reservePub) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const reserve = yield ws.db.get(Stores.reserves, reservePub);
+        if (!reserve) {
+            throw Error("reserve not in db");
+        }
+        if (reserve.reserveStatus !== ReserveRecordStatus.QUERYING_STATUS) {
+            return { ready: true };
+        }
+        const resp = yield ws.http.get(new URL(`reserves/${reservePub}`, reserve.exchangeBaseUrl).href, {
+            timeout: getReserveRequestTimeout(reserve),
+        });
+        const result = yield readSuccessResponseJsonOrErrorCode(resp, codecForReserveStatus());
+        if (result.isError) {
+            if (resp.status === 404 &&
+                result.talerErrorResponse.code ===
+                    TalerErrorCode.EXCHANGE_RESERVES_GET_STATUS_UNKNOWN) {
+                ws.notify({
+                    type: NotificationType.ReserveNotYetFound,
+                    reservePub,
+                });
+                yield incrementReserveRetry(ws, reservePub, undefined);
+                return { ready: false };
+            }
+            else {
+                throwUnexpectedRequestError(resp, result.talerErrorResponse);
+            }
+        }
+        const reserveInfo = result.response;
+        const balance = Amounts.parseOrThrow(reserveInfo.balance);
+        const currency = balance.currency;
+        yield updateWithdrawalDenoms(ws, reserve.exchangeBaseUrl);
+        const denoms = yield getCandidateWithdrawalDenoms(ws, reserve.exchangeBaseUrl);
+        const newWithdrawalGroup = yield ws.db.runWithWriteTransaction([Stores.coins, Stores.planchets, Stores.withdrawalGroups, Stores.reserves], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const newReserve = yield tx.get(Stores.reserves, reserve.reservePub);
+            if (!newReserve) {
+                return;
+            }
+            let amountReservePlus = Amounts.getZero(currency);
+            let amountReserveMinus = Amounts.getZero(currency);
+            // Subtract withdrawal groups for this reserve from the available amount.
+            yield tx
+                .iterIndexed(Stores.withdrawalGroups.byReservePub, reservePub)
+                .forEach((wg) => {
+                const cost = wg.denomsSel.totalWithdrawCost;
+                amountReserveMinus = Amounts.add(amountReserveMinus, cost).amount;
+            });
+            for (const entry of reserveInfo.history) {
+                switch (entry.type) {
+                    case ReserveTransactionType.Credit:
+                        amountReservePlus = Amounts.add(amountReservePlus, Amounts.parseOrThrow(entry.amount)).amount;
+                        break;
+                    case ReserveTransactionType.Recoup:
+                        amountReservePlus = Amounts.add(amountReservePlus, Amounts.parseOrThrow(entry.amount)).amount;
+                        break;
+                    case ReserveTransactionType.Closing:
+                        amountReserveMinus = Amounts.add(amountReserveMinus, Amounts.parseOrThrow(entry.amount)).amount;
+                        break;
+                    case ReserveTransactionType.Withdraw: {
+                        // Now we check if the withdrawal transaction
+                        // is part of any withdrawal known to this wallet.
+                        const planchet = yield tx.getIndexed(Stores.planchets.coinEvHashIndex, entry.h_coin_envelope);
+                        if (planchet) {
+                            // Amount is already accounted in some withdrawal session
+                            break;
+                        }
+                        const coin = yield tx.getIndexed(Stores.coins.coinEvHashIndex, entry.h_coin_envelope);
+                        if (coin) {
+                            // Amount is already accounted in some withdrawal session
+                            break;
+                        }
+                        // Amount has been claimed by some withdrawal we don't know about
+                        amountReserveMinus = Amounts.add(amountReserveMinus, Amounts.parseOrThrow(entry.amount)).amount;
+                        break;
+                    }
+                }
+            }
+            const remainingAmount = Amounts.sub(amountReservePlus, amountReserveMinus)
+                .amount;
+            const denomSelInfo = selectWithdrawalDenominations(remainingAmount, denoms);
+            logger$1.trace(`Remaining unclaimed amount in reseve is ${Amounts.stringify(remainingAmount)} and can be withdrawn with ${denomSelInfo.selectedDenoms.length} coins`);
+            if (denomSelInfo.selectedDenoms.length === 0) {
+                newReserve.reserveStatus = ReserveRecordStatus.DORMANT;
+                newReserve.lastError = undefined;
+                newReserve.retryInfo = initRetryInfo(false);
+                yield tx.put(Stores.reserves, newReserve);
+                return;
+            }
+            let withdrawalGroupId;
+            if (!newReserve.initialWithdrawalStarted) {
+                withdrawalGroupId = newReserve.initialWithdrawalGroupId;
+                newReserve.initialWithdrawalStarted = true;
+            }
+            else {
+                withdrawalGroupId = encodeCrock(randomBytes(32));
+            }
+            const withdrawalRecord = {
+                withdrawalGroupId: withdrawalGroupId,
+                exchangeBaseUrl: reserve.exchangeBaseUrl,
+                reservePub: reserve.reservePub,
+                rawWithdrawalAmount: remainingAmount,
+                timestampStart: getTimestampNow(),
+                retryInfo: initRetryInfo(),
+                lastError: undefined,
+                denomsSel: denomSelectionInfoToState(denomSelInfo),
+                secretSeed: encodeCrock(getRandomBytes(64)),
+            };
+            newReserve.lastError = undefined;
+            newReserve.retryInfo = initRetryInfo(false);
+            newReserve.reserveStatus = ReserveRecordStatus.DORMANT;
+            yield tx.put(Stores.reserves, newReserve);
+            yield tx.put(Stores.withdrawalGroups, withdrawalRecord);
+            return withdrawalRecord;
+        }));
+        if (newWithdrawalGroup) {
+            logger$1.trace("processing new withdraw group");
+            ws.notify({
+                type: NotificationType.WithdrawGroupCreated,
+                withdrawalGroupId: newWithdrawalGroup.withdrawalGroupId,
+            });
+            yield processWithdrawGroup(ws, newWithdrawalGroup.withdrawalGroupId);
+        }
+        return { ready: true };
+    });
+}
+function processReserveImpl(ws, reservePub, forceNow = false) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const reserve = yield ws.db.get(Stores.reserves, reservePub);
+        if (!reserve) {
+            logger$1.trace("not processing reserve: reserve does not exist");
+            return;
+        }
+        if (!forceNow) {
+            const now = getTimestampNow();
+            if (reserve.retryInfo.nextRetry.t_ms > now.t_ms) {
+                logger$1.trace("processReserve retry not due yet");
+                return;
+            }
+        }
+        else {
+            yield resetReserveRetry(ws, reservePub);
+        }
+        logger$1.trace(`Processing reserve ${reservePub} with status ${reserve.reserveStatus}`);
+        switch (reserve.reserveStatus) {
+            case ReserveRecordStatus.REGISTERING_BANK:
+                yield processReserveBankStatus(ws, reservePub);
+                return yield processReserveImpl(ws, reservePub, true);
+            case ReserveRecordStatus.QUERYING_STATUS: {
+                const res = yield updateReserve(ws, reservePub);
+                if (res.ready) {
+                    return yield processReserveImpl(ws, reservePub, true);
+                }
+                else {
+                    break;
+                }
+            }
+            case ReserveRecordStatus.DORMANT:
+                // nothing to do
+                break;
+            case ReserveRecordStatus.WAIT_CONFIRM_BANK:
+                yield processReserveBankStatus(ws, reservePub);
+                break;
+            case ReserveRecordStatus.BANK_ABORTED:
+                break;
+            default:
+                console.warn("unknown reserve record status:", reserve.reserveStatus);
+                assertUnreachable(reserve.reserveStatus);
+                break;
+        }
+    });
+}
+function createTalerWithdrawReserve(ws, talerWithdrawUri, selectedExchange) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const withdrawInfo = yield getBankWithdrawalInfo(ws, talerWithdrawUri);
+        const exchangeWire = yield getExchangePaytoUri(ws, selectedExchange, withdrawInfo.wireTypes);
+        const reserve = yield createReserve(ws, {
+            amount: withdrawInfo.amount,
+            bankWithdrawStatusUrl: withdrawInfo.extractedStatusUrl,
+            exchange: selectedExchange,
+            senderWire: withdrawInfo.senderWire,
+            exchangePaytoUri: exchangeWire,
+        });
+        // We do this here, as the reserve should be registered before we return,
+        // so that we can redirect the user to the bank's status page.
+        yield processReserveBankStatus(ws, reserve.reservePub);
+        const processedReserve = yield ws.db.get(Stores.reserves, reserve.reservePub);
+        if ((processedReserve === null || processedReserve === void 0 ? void 0 : processedReserve.reserveStatus) === ReserveRecordStatus.BANK_ABORTED) {
+            throw OperationFailedError.fromCode(TalerErrorCode.WALLET_WITHDRAWAL_OPERATION_ABORTED_BY_BANK, "withdrawal aborted by bank", {});
+        }
+        return {
+            reservePub: reserve.reservePub,
+            confirmTransferUrl: withdrawInfo.confirmTransferUrl,
+        };
+    });
+}
+/**
+ * Get payto URIs needed to fund a reserve.
+ */
+function getFundingPaytoUris(tx, reservePub) {
+    var _a, _b;
+    return __awaiter(this, void 0, void 0, function* () {
+        const r = yield tx.get(Stores.reserves, reservePub);
+        if (!r) {
+            logger$1.error(`reserve ${reservePub} not found (DB corrupted?)`);
+            return [];
+        }
+        const exchange = yield tx.get(Stores.exchanges, r.exchangeBaseUrl);
+        if (!exchange) {
+            logger$1.error(`exchange ${r.exchangeBaseUrl} not found (DB corrupted?)`);
+            return [];
+        }
+        const plainPaytoUris = (_b = (_a = exchange.wireInfo) === null || _a === void 0 ? void 0 : _a.accounts.map((x) => x.payto_uri)) !== null && _b !== void 0 ? _b : [];
+        if (!plainPaytoUris) {
+            logger$1.error(`exchange ${r.exchangeBaseUrl} has no wire info`);
+            return [];
+        }
+        return plainPaytoUris.map((x) => addPaytoQueryParams(x, {
+            amount: Amounts.stringify(r.instructedAmount),
+            message: `Taler Withdrawal ${r.reservePub}`,
+        }));
+    });
+}
+
+/*
+ This file is part of GNU Taler
+ (C) 2017-2019 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+const logger$2 = new Logger("timer.ts");
+class IntervalHandle {
+    constructor(h) {
+        this.h = h;
+    }
+    clear() {
+        clearInterval(this.h);
+    }
+    /**
+     * Make sure the event loop exits when the timer is the
+     * only event left.  Has no effect in the browser.
+     */
+    unref() {
+        if (typeof this.h === "object") {
+            this.h.unref();
+        }
+    }
+}
+class TimeoutHandle {
+    constructor(h) {
+        this.h = h;
+    }
+    clear() {
+        clearTimeout(this.h);
+    }
+    /**
+     * Make sure the event loop exits when the timer is the
+     * only event left.  Has no effect in the browser.
+     */
+    unref() {
+        if (typeof this.h === "object") {
+            this.h.unref();
+        }
+    }
+}
+/**
+ * Get a performance counter in milliseconds.
+ */
+const performanceNow = (() => {
+    // @ts-ignore
+    if (typeof process !== "undefined" && process.hrtime) {
+        return () => {
+            const t = process.hrtime();
+            return t[0] * 1e9 + t[1];
+        };
+    }
+    // @ts-ignore
+    if (typeof performance !== "undefined") {
+        // @ts-ignore
+        return () => performance.now();
+    }
+    return () => 0;
+})();
+/**
+ * Call a function every time the delay given in milliseconds passes.
+ */
+function every(delayMs, callback) {
+    return new IntervalHandle(setInterval(callback, delayMs));
+}
+/**
+ * Call a function after the delay given in milliseconds passes.
+ */
+function after(delayMs, callback) {
+    return new TimeoutHandle(setTimeout(callback, delayMs));
+}
+const nullTimerHandle = {
+    clear() {
+        // do nothing
+        return;
+    },
+    unref() {
+        // do nothing
+        return;
+    },
+};
+/**
+ * Group of timers that can be destroyed at once.
+ */
+class TimerGroup {
+    constructor() {
+        this.stopped = false;
+        this.timerMap = {};
+        this.idGen = 1;
+    }
+    stopCurrentAndFutureTimers() {
+        this.stopped = true;
+        for (const x in this.timerMap) {
+            if (!this.timerMap.hasOwnProperty(x)) {
+                continue;
+            }
+            this.timerMap[x].clear();
+            delete this.timerMap[x];
+        }
+    }
+    resolveAfter(delayMs) {
+        return new Promise((resolve, reject) => {
+            if (delayMs.d_ms !== "forever") {
+                this.after(delayMs.d_ms, () => {
+                    resolve();
+                });
+            }
+        });
+    }
+    after(delayMs, callback) {
+        if (this.stopped) {
+            logger$2.warn("dropping timer since timer group is stopped");
+            return nullTimerHandle;
+        }
+        const h = after(delayMs, callback);
+        const myId = this.idGen++;
+        this.timerMap[myId] = h;
+        const tm = this.timerMap;
+        return {
+            clear() {
+                h.clear();
+                delete tm[myId];
+            },
+            unref() {
+                h.unref();
+            },
+        };
+    }
+    every(delayMs, callback) {
+        if (this.stopped) {
+            logger$2.warn("dropping timer since timer group is stopped");
+            return nullTimerHandle;
+        }
+        const h = every(delayMs, callback);
+        const myId = this.idGen++;
+        this.timerMap[myId] = h;
+        const tm = this.timerMap;
+        return {
+            clear() {
+                h.clear();
+                delete tm[myId];
+            },
+            unref() {
+                h.unref();
+            },
+        };
+    }
+}
+
+/*
+ This file is part of GNU Taler
+ (C) 2016 GNUnet e.V.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+const logger$3 = new Logger("cryptoApi.ts");
+/**
+ * Number of different priorities. Each priority p
+ * must be 0 <= p < NUM_PRIO.
+ */
+const NUM_PRIO = 5;
+/**
+ * Crypto API that interfaces manages a background crypto thread
+ * for the execution of expensive operations.
+ */
+class CryptoApi {
+    constructor(workerFactory) {
+        this.nextRpcId = 1;
+        /**
+         * Number of busy workers.
+         */
+        this.numBusy = 0;
+        /**
+         * Did we stop accepting new requests?
+         */
+        this.stopped = false;
+        this.workerFactory = workerFactory;
+        this.workers = new Array(workerFactory.getConcurrency());
+        for (let i = 0; i < this.workers.length; i++) {
+            this.workers[i] = {
+                currentWorkItem: null,
+                terminationTimerHandle: null,
+                w: null,
+            };
+        }
+        this.workQueues = [];
+        for (let i = 0; i < NUM_PRIO; i++) {
+            this.workQueues.push([]);
+        }
+    }
+    /**
+     * Terminate all worker threads.
+     */
+    terminateWorkers() {
+        for (const worker of this.workers) {
+            if (worker.w) {
+                logger$3.trace("terminating worker");
+                worker.w.terminate();
+                if (worker.terminationTimerHandle) {
+                    worker.terminationTimerHandle.clear();
+                    worker.terminationTimerHandle = null;
+                }
+                if (worker.currentWorkItem) {
+                    worker.currentWorkItem.reject(Error("explicitly terminated"));
+                    worker.currentWorkItem = null;
+                }
+                worker.w = null;
+            }
+        }
+    }
+    stop() {
+        this.terminateWorkers();
+        this.stopped = true;
+    }
+    /**
+     * Start a worker (if not started) and set as busy.
+     */
+    wake(ws, work) {
+        if (this.stopped) {
+            logger$3.trace("cryptoApi is stopped");
+            return;
+        }
+        if (ws.currentWorkItem !== null) {
+            throw Error("assertion failed");
+        }
+        ws.currentWorkItem = work;
+        this.numBusy++;
+        let worker;
+        if (!ws.w) {
+            worker = this.workerFactory.startWorker();
+            worker.onmessage = (m) => this.handleWorkerMessage(ws, m);
+            worker.onerror = (e) => this.handleWorkerError(ws, e);
+            ws.w = worker;
+        }
+        else {
+            worker = ws.w;
+        }
+        const msg = {
+            args: work.args,
+            id: work.rpcId,
+            operation: work.operation,
+        };
+        this.resetWorkerTimeout(ws);
+        work.startTime = performanceNow();
+        after(0, () => worker.postMessage(msg));
+    }
+    resetWorkerTimeout(ws) {
+        if (ws.terminationTimerHandle !== null) {
+            ws.terminationTimerHandle.clear();
+            ws.terminationTimerHandle = null;
+        }
+        const destroy = () => {
+            // terminate worker if it's idle
+            if (ws.w && ws.currentWorkItem === null) {
+                ws.w.terminate();
+                ws.w = null;
+            }
+        };
+        ws.terminationTimerHandle = after(15 * 1000, destroy);
+        //ws.terminationTimerHandle.unref();
+    }
+    handleWorkerError(ws, e) {
+        if (ws.currentWorkItem) {
+            logger$3.error(`error in worker during ${ws.currentWorkItem.operation}`, e);
+        }
+        else {
+            logger$3.error("error in worker", e);
+        }
+        logger$3.error(e.message);
+        try {
+            if (ws.w) {
+                ws.w.terminate();
+                ws.w = null;
+            }
+        }
+        catch (e) {
+            logger$3.error(e);
+        }
+        if (ws.currentWorkItem !== null) {
+            ws.currentWorkItem.reject(e);
+            ws.currentWorkItem = null;
+            this.numBusy--;
+        }
+        this.findWork(ws);
+    }
+    findWork(ws) {
+        // try to find more work for this worker
+        for (let i = 0; i < NUM_PRIO; i++) {
+            const q = this.workQueues[NUM_PRIO - i - 1];
+            if (q.length !== 0) {
+                const work = q.shift();
+                if (!work) {
+                    continue;
+                }
+                this.wake(ws, work);
+                return;
+            }
+        }
+    }
+    handleWorkerMessage(ws, msg) {
+        const id = msg.data.id;
+        if (typeof id !== "number") {
+            console.error("rpc id must be number");
+            return;
+        }
+        const currentWorkItem = ws.currentWorkItem;
+        ws.currentWorkItem = null;
+        this.numBusy--;
+        this.findWork(ws);
+        if (!currentWorkItem) {
+            console.error("unsolicited response from worker");
+            return;
+        }
+        if (id !== currentWorkItem.rpcId) {
+            console.error(`RPC with id ${id} has no registry entry`);
+            return;
+        }
+        currentWorkItem.resolve(msg.data.result);
+    }
+    doRpc(operation, priority, ...args) {
+        const p = new Promise((resolve, reject) => {
+            const rpcId = this.nextRpcId++;
+            const workItem = {
+                operation,
+                args,
+                resolve,
+                reject,
+                rpcId,
+                startTime: 0,
+            };
+            if (this.numBusy === this.workers.length) {
+                const q = this.workQueues[priority];
+                if (!q) {
+                    throw Error("assertion failed");
+                }
+                this.workQueues[priority].push(workItem);
+                return;
+            }
+            for (const ws of this.workers) {
+                if (ws.currentWorkItem !== null) {
+                    continue;
+                }
+                this.wake(ws, workItem);
+                return;
+            }
+            throw Error("assertion failed");
+        });
+        return p;
+    }
+    createPlanchet(req) {
+        return this.doRpc("createPlanchet", 1, req);
+    }
+    createTipPlanchet(req) {
+        return this.doRpc("createTipPlanchet", 1, req);
+    }
+    signTrackTransaction(req) {
+        return this.doRpc("signTrackTransaction", 1, req);
+    }
+    hashString(str) {
+        return this.doRpc("hashString", 1, str);
+    }
+    hashEncoded(encodedBytes) {
+        return this.doRpc("hashEncoded", 1, encodedBytes);
+    }
+    isValidDenom(denom, masterPub) {
+        return this.doRpc("isValidDenom", 2, denom, masterPub);
+    }
+    isValidWireFee(type, wf, masterPub) {
+        return this.doRpc("isValidWireFee", 2, type, wf, masterPub);
+    }
+    isValidPaymentSignature(sig, contractHash, merchantPub) {
+        return this.doRpc("isValidPaymentSignature", 1, sig, contractHash, merchantPub);
+    }
+    signDepositPermission(depositInfo) {
+        return this.doRpc("signDepositPermission", 3, depositInfo);
+    }
+    createEddsaKeypair() {
+        return this.doRpc("createEddsaKeypair", 1);
+    }
+    rsaUnblind(sig, bk, pk) {
+        return this.doRpc("rsaUnblind", 4, sig, bk, pk);
+    }
+    rsaVerify(hm, sig, pk) {
+        return this.doRpc("rsaVerify", 4, hm, sig, pk);
+    }
+    isValidWireAccount(paytoUri, sig, masterPub) {
+        return this.doRpc("isValidWireAccount", 4, paytoUri, sig, masterPub);
+    }
+    isValidContractTermsSignature(contractTermsHash, sig, merchantPub) {
+        return this.doRpc("isValidContractTermsSignature", 4, contractTermsHash, sig, merchantPub);
+    }
+    createRecoupRequest(coin) {
+        return this.doRpc("createRecoupRequest", 1, coin);
+    }
+    deriveRefreshSession(req) {
+        return this.doRpc("deriveRefreshSession", 4, req);
+    }
+    signCoinLink(oldCoinPriv, newDenomHash, oldCoinPub, transferPub, coinEv) {
+        return this.doRpc("signCoinLink", 4, oldCoinPriv, newDenomHash, oldCoinPub, transferPub, coinEv);
+    }
+    benchmark(repetitions) {
+        return this.doRpc("benchmark", 1, repetitions);
+    }
+    makeSyncSignature(req) {
+        return this.doRpc("makeSyncSignature", 3, req);
+    }
+}
+
+/*
+ This file is part of GNU Taler
+ (C) 2019 GNUnet e.V.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+class AsyncOpMemoMap {
+    constructor() {
+        this.n = 0;
+        this.memoMap = {};
+    }
+    cleanUp(key, n) {
+        const r = this.memoMap[key];
+        if (r && r.n === n) {
+            delete this.memoMap[key];
+        }
+    }
+    memo(key, pg) {
+        const res = this.memoMap[key];
+        if (res) {
+            return res.p;
+        }
+        const n = this.n++;
+        // Wrap the operation in case it immediately throws
+        const p = Promise.resolve().then(() => pg());
+        this.memoMap[key] = {
+            p,
+            n,
+            t: new Date().getTime(),
+        };
+        return p.finally(() => {
+            this.cleanUp(key, n);
+        });
+    }
+    clear() {
+        this.memoMap = {};
+    }
+}
+class AsyncOpMemoSingle {
+    constructor() {
+        this.n = 0;
+    }
+    cleanUp(n) {
+        if (this.memoEntry && this.memoEntry.n === n) {
+            this.memoEntry = undefined;
+        }
+    }
+    memo(pg) {
+        const res = this.memoEntry;
+        if (res) {
+            return res.p;
+        }
+        const n = this.n++;
+        // Wrap the operation in case it immediately throws
+        const p = Promise.resolve().then(() => pg());
+        p.finally(() => {
+            this.cleanUp(n);
+        });
+        this.memoEntry = {
+            p,
+            n,
+            t: new Date().getTime(),
+        };
+        return p;
+    }
+    clear() {
+        this.memoEntry = undefined;
+    }
+}
+
+/*
+ This file is part of GNU Taler
+ (C) 2019 GNUnet e.V.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+const logger$4 = new Logger("state.ts");
+const EXCHANGE_COINS_LOCK = "exchange-coins-lock";
+class InternalWalletState {
+    constructor(
+    // FIXME: Make this a getter and make
+    // the actual value nullable.
+    // Check if we are in a DB migration / garbage collection
+    // and throw an error in that case.
+    db, http, cryptoWorkerFactory) {
+        this.db = db;
+        this.http = http;
+        this.memoProcessReserve = new AsyncOpMemoMap();
+        this.memoMakePlanchet = new AsyncOpMemoMap();
+        this.memoGetPending = new AsyncOpMemoSingle();
+        this.memoGetBalance = new AsyncOpMemoSingle();
+        this.memoProcessRefresh = new AsyncOpMemoMap();
+        this.memoProcessRecoup = new AsyncOpMemoMap();
+        this.memoProcessDeposit = new AsyncOpMemoMap();
+        this.listeners = [];
+        /**
+         * Promises that are waiting for a particular resource.
+         */
+        this.resourceWaiters = {};
+        /**
+         * Resources that are currently locked.
+         */
+        this.resourceLocks = new Set();
+        this.cryptoApi = new CryptoApi(cryptoWorkerFactory);
+    }
+    notify(n) {
+        logger$4.trace("Notification", n);
+        for (const l of this.listeners) {
+            const nc = JSON.parse(JSON.stringify(n));
+            setTimeout(() => {
+                l(nc);
+            }, 0);
+        }
+    }
+    addNotificationListener(f) {
+        this.listeners.push(f);
+    }
+    /**
+     * Run an async function after acquiring a list of locks, identified
+     * by string tokens.
+     */
+    runSequentialized(tokens, f) {
+        var _a;
+        return __awaiter(this, void 0, void 0, function* () {
+            // Make sure locks are always acquired in the same order
+            tokens = [...tokens].sort();
+            for (const token of tokens) {
+                if (this.resourceLocks.has(token)) {
+                    const p = openPromise();
+                    let waitList = this.resourceWaiters[token];
+                    if (!waitList) {
+                        waitList = this.resourceWaiters[token] = [];
+                    }
+                    waitList.push(p);
+                    yield p.promise;
+                }
+                this.resourceLocks.add(token);
+            }
+            try {
+                logger$4.trace(`begin exclusive execution on ${JSON.stringify(tokens)}`);
+                const result = yield f();
+                logger$4.trace(`end exclusive execution on ${JSON.stringify(tokens)}`);
+                return result;
+            }
+            finally {
+                for (const token of tokens) {
+                    this.resourceLocks.delete(token);
+                    let waiter = ((_a = this.resourceWaiters[token]) !== null && _a !== void 0 ? _a : []).shift();
+                    if (waiter) {
+                        waiter.resolve();
+                    }
+                }
+            }
+        });
+    }
+}
+
+/*
+ This file is part of GNU Taler
+ (C) 2020 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+/**
+ * Helpers for invariants.
+ */
+function checkDbInvariant(b, m) {
+    if (!b) {
+        if (m) {
+            throw Error(`BUG: database invariant failed (${m})`);
+        }
+        else {
+            throw Error("BUG: database invariant failed");
+        }
+    }
+}
+function checkLogicInvariant(b, m) {
+    if (!b) {
+        if (m) {
+            throw Error(`BUG: logic invariant failed (${m})`);
+        }
+        else {
+            throw Error("BUG: logic invariant failed");
+        }
+    }
+}
+
+/*
+ This file is part of GNU Taler
+ (C) 2019 GNUnet e.V.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+const logger$5 = new Logger("refresh.ts");
+/**
+ * Get the amount that we lose when refreshing a coin of the given denomination
+ * with a certain amount left.
+ *
+ * If the amount left is zero, then the refresh cost
+ * is also considered to be zero.  If a refresh isn't possible (e.g. due to lack of
+ * the right denominations), then the cost is the full amount left.
+ *
+ * Considers refresh fees, withdrawal fees after refresh and amounts too small
+ * to refresh.
+ */
+function getTotalRefreshCost(denoms, refreshedDenom, amountLeft) {
+    const withdrawAmount = Amounts.sub(amountLeft, refreshedDenom.feeRefresh)
+        .amount;
+    const withdrawDenoms = selectWithdrawalDenominations(withdrawAmount, denoms);
+    const resultingAmount = Amounts.add(Amounts.getZero(withdrawAmount.currency), ...withdrawDenoms.selectedDenoms.map((d) => Amounts.mult(d.denom.value, d.count).amount)).amount;
+    const totalCost = Amounts.sub(amountLeft, resultingAmount).amount;
+    logger$5.trace(`total refresh cost for ${amountToPretty(amountLeft)} is ${amountToPretty(totalCost)}`);
+    return totalCost;
+}
+/**
+ * Create a refresh session inside a refresh group.
+ */
+function refreshCreateSession(ws, refreshGroupId, coinIndex) {
+    return __awaiter(this, void 0, void 0, function* () {
+        logger$5.trace(`creating refresh session for coin ${coinIndex} in refresh group ${refreshGroupId}`);
+        const refreshGroup = yield ws.db.get(Stores.refreshGroups, refreshGroupId);
+        if (!refreshGroup) {
+            return;
+        }
+        if (refreshGroup.finishedPerCoin[coinIndex]) {
+            return;
+        }
+        const existingRefreshSession = refreshGroup.refreshSessionPerCoin[coinIndex];
+        if (existingRefreshSession) {
+            return;
+        }
+        const oldCoinPub = refreshGroup.oldCoinPubs[coinIndex];
+        const coin = yield ws.db.get(Stores.coins, oldCoinPub);
+        if (!coin) {
+            throw Error("Can't refresh, coin not found");
+        }
+        const exchange = yield updateExchangeFromUrl(ws, coin.exchangeBaseUrl);
+        if (!exchange) {
+            throw Error("db inconsistent: exchange of coin not found");
+        }
+        const oldDenom = yield ws.db.get(Stores.denominations, [
+            exchange.baseUrl,
+            coin.denomPubHash,
+        ]);
+        if (!oldDenom) {
+            throw Error("db inconsistent: denomination for coin not found");
+        }
+        const availableDenoms = yield ws.db
+            .iterIndex(Stores.denominations.exchangeBaseUrlIndex, exchange.baseUrl)
+            .toArray();
+        const availableAmount = Amounts.sub(refreshGroup.inputPerCoin[coinIndex], oldDenom.feeRefresh).amount;
+        const newCoinDenoms = selectWithdrawalDenominations(availableAmount, availableDenoms);
+        if (newCoinDenoms.selectedDenoms.length === 0) {
+            logger$5.trace(`not refreshing, available amount ${amountToPretty(availableAmount)} too small`);
+            yield ws.db.runWithWriteTransaction([Stores.coins, Stores.refreshGroups], (tx) => __awaiter(this, void 0, void 0, function* () {
+                const rg = yield tx.get(Stores.refreshGroups, refreshGroupId);
+                if (!rg) {
+                    return;
+                }
+                rg.finishedPerCoin[coinIndex] = true;
+                let allDone = true;
+                for (const f of rg.finishedPerCoin) {
+                    if (!f) {
+                        allDone = false;
+                        break;
+                    }
+                }
+                if (allDone) {
+                    rg.timestampFinished = getTimestampNow();
+                    rg.retryInfo = initRetryInfo(false);
+                }
+                yield tx.put(Stores.refreshGroups, rg);
+            }));
+            ws.notify({ type: NotificationType.RefreshUnwarranted });
+            return;
+        }
+        const sessionSecretSeed = encodeCrock(getRandomBytes(64));
+        // Store refresh session for this coin in the database.
+        yield ws.db.runWithWriteTransaction([Stores.refreshGroups, Stores.coins], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const rg = yield tx.get(Stores.refreshGroups, refreshGroupId);
+            if (!rg) {
+                return;
+            }
+            if (rg.refreshSessionPerCoin[coinIndex]) {
+                return;
+            }
+            rg.refreshSessionPerCoin[coinIndex] = {
+                norevealIndex: undefined,
+                sessionSecretSeed: sessionSecretSeed,
+                newDenoms: newCoinDenoms.selectedDenoms.map((x) => ({
+                    count: x.count,
+                    denomPubHash: x.denom.denomPubHash,
+                })),
+                amountRefreshOutput: newCoinDenoms.totalCoinValue,
+            };
+            yield tx.put(Stores.refreshGroups, rg);
+        }));
+        logger$5.info(`created refresh session for coin #${coinIndex} in ${refreshGroupId}`);
+        ws.notify({ type: NotificationType.RefreshStarted });
+    });
+}
+function getRefreshRequestTimeout(rg) {
+    return { d_ms: 5000 };
+}
+function refreshMelt(ws, refreshGroupId, coinIndex) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const refreshGroup = yield ws.db.get(Stores.refreshGroups, refreshGroupId);
+        if (!refreshGroup) {
+            return;
+        }
+        const refreshSession = refreshGroup.refreshSessionPerCoin[coinIndex];
+        if (!refreshSession) {
+            return;
+        }
+        if (refreshSession.norevealIndex !== undefined) {
+            return;
+        }
+        const oldCoin = yield ws.db.get(Stores.coins, refreshGroup.oldCoinPubs[coinIndex]);
+        checkDbInvariant(!!oldCoin, "melt coin doesn't exist");
+        const oldDenom = yield ws.db.get(Stores.denominations, [
+            oldCoin.exchangeBaseUrl,
+            oldCoin.denomPubHash,
+        ]);
+        checkDbInvariant(!!oldDenom, "denomination for melted coin doesn't exist");
+        const newCoinDenoms = [];
+        for (const dh of refreshSession.newDenoms) {
+            const newDenom = yield ws.db.get(Stores.denominations, [
+                oldCoin.exchangeBaseUrl,
+                dh.denomPubHash,
+            ]);
+            checkDbInvariant(!!newDenom, "new denomination for refresh not in database");
+            newCoinDenoms.push({
+                count: dh.count,
+                denomPub: newDenom.denomPub,
+                feeWithdraw: newDenom.feeWithdraw,
+                value: newDenom.value,
+            });
+        }
+        const derived = yield ws.cryptoApi.deriveRefreshSession({
+            kappa: 3,
+            meltCoinDenomPubHash: oldCoin.denomPubHash,
+            meltCoinPriv: oldCoin.coinPriv,
+            meltCoinPub: oldCoin.coinPub,
+            feeRefresh: oldDenom.feeRefresh,
+            newCoinDenoms,
+            sessionSecretSeed: refreshSession.sessionSecretSeed,
+        });
+        const reqUrl = new URL(`coins/${oldCoin.coinPub}/melt`, oldCoin.exchangeBaseUrl);
+        const meltReq = {
+            coin_pub: oldCoin.coinPub,
+            confirm_sig: derived.confirmSig,
+            denom_pub_hash: oldCoin.denomPubHash,
+            denom_sig: oldCoin.denomSig,
+            rc: derived.hash,
+            value_with_fee: Amounts.stringify(derived.meltValueWithFee),
+        };
+        logger$5.trace(`melt request for coin:`, meltReq);
+        const resp = yield ws.runSequentialized([EXCHANGE_COINS_LOCK], () => __awaiter(this, void 0, void 0, function* () {
+            return yield ws.http.postJson(reqUrl.href, meltReq, {
+                timeout: getRefreshRequestTimeout(),
+            });
+        }));
+        const meltResponse = yield readSuccessResponseJsonOrThrow(resp, codecForExchangeMeltResponse());
+        const norevealIndex = meltResponse.noreveal_index;
+        refreshSession.norevealIndex = norevealIndex;
+        yield ws.db.mutate(Stores.refreshGroups, refreshGroupId, (rg) => {
+            const rs = rg.refreshSessionPerCoin[coinIndex];
+            if (rg.timestampFinished) {
+                return;
+            }
+            if (!rs) {
+                return;
+            }
+            if (rs.norevealIndex !== undefined) {
+                return;
+            }
+            rs.norevealIndex = norevealIndex;
+            return rg;
+        });
+        ws.notify({
+            type: NotificationType.RefreshMelted,
+        });
+    });
+}
+function refreshReveal(ws, refreshGroupId, coinIndex) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const refreshGroup = yield ws.db.get(Stores.refreshGroups, refreshGroupId);
+        if (!refreshGroup) {
+            return;
+        }
+        const refreshSession = refreshGroup.refreshSessionPerCoin[coinIndex];
+        if (!refreshSession) {
+            return;
+        }
+        const norevealIndex = refreshSession.norevealIndex;
+        if (norevealIndex === undefined) {
+            throw Error("can't reveal without melting first");
+        }
+        const oldCoin = yield ws.db.get(Stores.coins, refreshGroup.oldCoinPubs[coinIndex]);
+        checkDbInvariant(!!oldCoin, "melt coin doesn't exist");
+        const oldDenom = yield ws.db.get(Stores.denominations, [
+            oldCoin.exchangeBaseUrl,
+            oldCoin.denomPubHash,
+        ]);
+        checkDbInvariant(!!oldDenom, "denomination for melted coin doesn't exist");
+        const newCoinDenoms = [];
+        for (const dh of refreshSession.newDenoms) {
+            const newDenom = yield ws.db.get(Stores.denominations, [
+                oldCoin.exchangeBaseUrl,
+                dh.denomPubHash,
+            ]);
+            checkDbInvariant(!!newDenom, "new denomination for refresh not in database");
+            newCoinDenoms.push({
+                count: dh.count,
+                denomPub: newDenom.denomPub,
+                feeWithdraw: newDenom.feeWithdraw,
+                value: newDenom.value,
+            });
+        }
+        const derived = yield ws.cryptoApi.deriveRefreshSession({
+            kappa: 3,
+            meltCoinDenomPubHash: oldCoin.denomPubHash,
+            meltCoinPriv: oldCoin.coinPriv,
+            meltCoinPub: oldCoin.coinPub,
+            feeRefresh: oldDenom.feeRefresh,
+            newCoinDenoms,
+            sessionSecretSeed: refreshSession.sessionSecretSeed,
+        });
+        const privs = Array.from(derived.transferPrivs);
+        privs.splice(norevealIndex, 1);
+        const planchets = derived.planchetsForGammas[norevealIndex];
+        if (!planchets) {
+            throw Error("refresh index error");
+        }
+        const meltCoinRecord = yield ws.db.get(Stores.coins, refreshGroup.oldCoinPubs[coinIndex]);
+        if (!meltCoinRecord) {
+            throw Error("inconsistent database");
+        }
+        const evs = planchets.map((x) => x.coinEv);
+        const newDenomsFlat = [];
+        const linkSigs = [];
+        for (let i = 0; i < refreshSession.newDenoms.length; i++) {
+            const dsel = refreshSession.newDenoms[i];
+            for (let j = 0; j < dsel.count; j++) {
+                const newCoinIndex = linkSigs.length;
+                const linkSig = yield ws.cryptoApi.signCoinLink(meltCoinRecord.coinPriv, dsel.denomPubHash, meltCoinRecord.coinPub, derived.transferPubs[norevealIndex], planchets[newCoinIndex].coinEv);
+                linkSigs.push(linkSig);
+                newDenomsFlat.push(dsel.denomPubHash);
+            }
+        }
+        const req = {
+            coin_evs: evs,
+            new_denoms_h: newDenomsFlat,
+            rc: derived.hash,
+            transfer_privs: privs,
+            transfer_pub: derived.transferPubs[norevealIndex],
+            link_sigs: linkSigs,
+        };
+        const reqUrl = new URL(`refreshes/${derived.hash}/reveal`, oldCoin.exchangeBaseUrl);
+        const resp = yield ws.runSequentialized([EXCHANGE_COINS_LOCK], () => __awaiter(this, void 0, void 0, function* () {
+            return yield ws.http.postJson(reqUrl.href, req, {
+                timeout: getRefreshRequestTimeout(),
+            });
+        }));
+        const reveal = yield readSuccessResponseJsonOrThrow(resp, codecForExchangeRevealResponse());
+        const coins = [];
+        for (let i = 0; i < refreshSession.newDenoms.length; i++) {
+            for (let j = 0; j < refreshSession.newDenoms[i].count; j++) {
+                const newCoinIndex = coins.length;
+                const denom = yield ws.db.get(Stores.denominations, [
+                    oldCoin.exchangeBaseUrl,
+                    refreshSession.newDenoms[i].denomPubHash,
+                ]);
+                if (!denom) {
+                    console.error("denom not found");
+                    continue;
+                }
+                const pc = derived.planchetsForGammas[norevealIndex][newCoinIndex];
+                const denomSig = yield ws.cryptoApi.rsaUnblind(reveal.ev_sigs[newCoinIndex].ev_sig, pc.blindingKey, denom.denomPub);
+                const coin = {
+                    blindingKey: pc.blindingKey,
+                    coinPriv: pc.privateKey,
+                    coinPub: pc.publicKey,
+                    currentAmount: denom.value,
+                    denomPub: denom.denomPub,
+                    denomPubHash: denom.denomPubHash,
+                    denomSig,
+                    exchangeBaseUrl: oldCoin.exchangeBaseUrl,
+                    status: CoinStatus.Fresh,
+                    coinSource: {
+                        type: CoinSourceType.Refresh,
+                        oldCoinPub: refreshGroup.oldCoinPubs[coinIndex],
+                    },
+                    suspended: false,
+                    coinEvHash: pc.coinEv,
+                };
+                coins.push(coin);
+            }
+        }
+        yield ws.db.runWithWriteTransaction([Stores.coins, Stores.refreshGroups], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const rg = yield tx.get(Stores.refreshGroups, refreshGroupId);
+            if (!rg) {
+                logger$5.warn("no refresh session found");
+                return;
+            }
+            const rs = rg.refreshSessionPerCoin[coinIndex];
+            if (!rs) {
+                return;
+            }
+            rg.finishedPerCoin[coinIndex] = true;
+            let allDone = true;
+            for (const f of rg.finishedPerCoin) {
+                if (!f) {
+                    allDone = false;
+                    break;
+                }
+            }
+            if (allDone) {
+                rg.timestampFinished = getTimestampNow();
+                rg.retryInfo = initRetryInfo(false);
+            }
+            for (const coin of coins) {
+                yield tx.put(Stores.coins, coin);
+            }
+            yield tx.put(Stores.refreshGroups, rg);
+        }));
+        logger$5.trace("refresh finished (end of reveal)");
+        ws.notify({
+            type: NotificationType.RefreshRevealed,
+        });
+    });
+}
+function incrementRefreshRetry(ws, refreshGroupId, err) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield ws.db.runWithWriteTransaction([Stores.refreshGroups], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const r = yield tx.get(Stores.refreshGroups, refreshGroupId);
+            if (!r) {
+                return;
+            }
+            if (!r.retryInfo) {
+                return;
+            }
+            r.retryInfo.retryCounter++;
+            updateRetryInfoTimeout(r.retryInfo);
+            r.lastError = err;
+            yield tx.put(Stores.refreshGroups, r);
+        }));
+        if (err) {
+            ws.notify({ type: NotificationType.RefreshOperationError, error: err });
+        }
+    });
+}
+/**
+ * Actually process a refresh group that has been created.
+ */
+function processRefreshGroup(ws, refreshGroupId, forceNow = false) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield ws.memoProcessRefresh.memo(refreshGroupId, () => __awaiter(this, void 0, void 0, function* () {
+            const onOpErr = (e) => incrementRefreshRetry(ws, refreshGroupId, e);
+            return yield guardOperationException(() => __awaiter(this, void 0, void 0, function* () { return yield processRefreshGroupImpl(ws, refreshGroupId, forceNow); }), onOpErr);
+        }));
+    });
+}
+function resetRefreshGroupRetry(ws, refreshSessionId) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield ws.db.mutate(Stores.refreshGroups, refreshSessionId, (x) => {
+            if (x.retryInfo.active) {
+                x.retryInfo = initRetryInfo();
+            }
+            return x;
+        });
+    });
+}
+function processRefreshGroupImpl(ws, refreshGroupId, forceNow) {
+    return __awaiter(this, void 0, void 0, function* () {
+        if (forceNow) {
+            yield resetRefreshGroupRetry(ws, refreshGroupId);
+        }
+        const refreshGroup = yield ws.db.get(Stores.refreshGroups, refreshGroupId);
+        if (!refreshGroup) {
+            return;
+        }
+        if (refreshGroup.timestampFinished) {
+            return;
+        }
+        const ps = refreshGroup.oldCoinPubs.map((x, i) => processRefreshSession(ws, refreshGroupId, i));
+        yield Promise.all(ps);
+        logger$5.trace("refresh finished");
+    });
+}
+function processRefreshSession(ws, refreshGroupId, coinIndex) {
+    return __awaiter(this, void 0, void 0, function* () {
+        logger$5.trace(`processing refresh session for coin ${coinIndex} of group ${refreshGroupId}`);
+        let refreshGroup = yield ws.db.get(Stores.refreshGroups, refreshGroupId);
+        if (!refreshGroup) {
+            return;
+        }
+        if (refreshGroup.finishedPerCoin[coinIndex]) {
+            return;
+        }
+        if (!refreshGroup.refreshSessionPerCoin[coinIndex]) {
+            yield refreshCreateSession(ws, refreshGroupId, coinIndex);
+            refreshGroup = yield ws.db.get(Stores.refreshGroups, refreshGroupId);
+            if (!refreshGroup) {
+                return;
+            }
+        }
+        const refreshSession = refreshGroup.refreshSessionPerCoin[coinIndex];
+        if (!refreshSession) {
+            if (!refreshGroup.finishedPerCoin[coinIndex]) {
+                throw Error("BUG: refresh session was not created and coin not marked as finished");
+            }
+            return;
+        }
+        if (refreshSession.norevealIndex === undefined) {
+            yield refreshMelt(ws, refreshGroupId, coinIndex);
+        }
+        yield refreshReveal(ws, refreshGroupId, coinIndex);
+    });
+}
+/**
+ * Create a refresh group for a list of coins.
+ *
+ * Refreshes the remaining amount on the coin, effectively capturing the remaining
+ * value in the refresh group.
+ *
+ * The caller must ensure that
+ * the remaining amount was updated correctly before the coin was deposited or
+ * credited.
+ *
+ * The caller must also ensure that the coins that should be refreshed exist
+ * in the current database transaction.
+ */
+function createRefreshGroup(ws, tx, oldCoinPubs, reason) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const refreshGroupId = encodeCrock(getRandomBytes(32));
+        const inputPerCoin = [];
+        const estimatedOutputPerCoin = [];
+        const denomsPerExchange = {};
+        const getDenoms = (exchangeBaseUrl) => __awaiter(this, void 0, void 0, function* () {
+            if (denomsPerExchange[exchangeBaseUrl]) {
+                return denomsPerExchange[exchangeBaseUrl];
+            }
+            const allDenoms = yield tx
+                .iterIndexed(Stores.denominations.exchangeBaseUrlIndex, exchangeBaseUrl)
+                .filter((x) => {
+                return isWithdrawableDenom(x);
+            });
+            denomsPerExchange[exchangeBaseUrl] = allDenoms;
+            return allDenoms;
+        });
+        for (const ocp of oldCoinPubs) {
+            const coin = yield tx.get(Stores.coins, ocp.coinPub);
+            checkDbInvariant(!!coin, "coin must be in database");
+            const denom = yield tx.get(Stores.denominations, [
+                coin.exchangeBaseUrl,
+                coin.denomPubHash,
+            ]);
+            checkDbInvariant(!!denom, "denomination for existing coin must be in database");
+            const refreshAmount = coin.currentAmount;
+            inputPerCoin.push(refreshAmount);
+            coin.currentAmount = Amounts.getZero(refreshAmount.currency);
+            coin.status = CoinStatus.Dormant;
+            yield tx.put(Stores.coins, coin);
+            const denoms = yield getDenoms(coin.exchangeBaseUrl);
+            const cost = getTotalRefreshCost(denoms, denom, refreshAmount);
+            const output = Amounts.sub(refreshAmount, cost).amount;
+            estimatedOutputPerCoin.push(output);
+        }
+        const refreshGroup = {
+            timestampFinished: undefined,
+            finishedPerCoin: oldCoinPubs.map((x) => false),
+            lastError: undefined,
+            lastErrorPerCoin: {},
+            oldCoinPubs: oldCoinPubs.map((x) => x.coinPub),
+            reason,
+            refreshGroupId,
+            refreshSessionPerCoin: oldCoinPubs.map((x) => undefined),
+            retryInfo: initRetryInfo(),
+            inputPerCoin,
+            estimatedOutputPerCoin,
+            timestampCreated: getTimestampNow(),
+        };
+        if (oldCoinPubs.length == 0) {
+            logger$5.warn("created refresh group with zero coins");
+            refreshGroup.timestampFinished = getTimestampNow();
+        }
+        yield tx.put(Stores.refreshGroups, refreshGroup);
+        logger$5.trace(`created refresh group ${refreshGroupId}`);
+        processRefreshGroup(ws, refreshGroupId).catch((e) => {
+            logger$5.warn(`processing refresh group ${refreshGroupId} failed`);
+        });
+        return {
+            refreshGroupId,
+        };
+    });
+}
+/**
+ * Timestamp after which the wallet would do the next check for an auto-refresh.
+ */
+function getAutoRefreshCheckThreshold(d) {
+    const delta = timestampDifference(d.stampExpireWithdraw, d.stampExpireDeposit);
+    const deltaDiv = durationMul(delta, 0.75);
+    return timestampAddDuration(d.stampExpireWithdraw, deltaDiv);
+}
+/**
+ * Timestamp after which the wallet would do an auto-refresh.
+ */
+function getAutoRefreshExecuteThreshold(d) {
+    const delta = timestampDifference(d.stampExpireWithdraw, d.stampExpireDeposit);
+    const deltaDiv = durationMul(delta, 0.5);
+    return timestampAddDuration(d.stampExpireWithdraw, deltaDiv);
+}
+function autoRefresh(ws, exchangeBaseUrl) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield updateExchangeFromUrl(ws, exchangeBaseUrl, true);
+        yield ws.db.runWithWriteTransaction([
+            Stores.coins,
+            Stores.denominations,
+            Stores.refreshGroups,
+            Stores.exchanges,
+        ], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const exchange = yield tx.get(Stores.exchanges, exchangeBaseUrl);
+            if (!exchange) {
+                return;
+            }
+            const coins = yield tx
+                .iterIndexed(Stores.coins.exchangeBaseUrlIndex, exchangeBaseUrl)
+                .toArray();
+            const refreshCoins = [];
+            for (const coin of coins) {
+                if (coin.status !== CoinStatus.Fresh) {
+                    continue;
+                }
+                if (coin.suspended) {
+                    continue;
+                }
+                const denom = yield tx.get(Stores.denominations, [
+                    exchangeBaseUrl,
+                    coin.denomPubHash,
+                ]);
+                if (!denom) {
+                    logger$5.warn("denomination not in database");
+                    continue;
+                }
+                const executeThreshold = getAutoRefreshExecuteThreshold(denom);
+                if (isTimestampExpired(executeThreshold)) {
+                    refreshCoins.push(coin);
+                }
+            }
+            if (refreshCoins.length > 0) {
+                yield createRefreshGroup(ws, tx, refreshCoins, RefreshReason.Scheduled);
+            }
+            const denoms = yield tx
+                .iterIndexed(Stores.denominations.exchangeBaseUrlIndex, exchangeBaseUrl)
+                .toArray();
+            let minCheckThreshold = timestampAddDuration(getTimestampNow(), durationFromSpec({ days: 1 }));
+            for (const denom of denoms) {
+                const checkThreshold = getAutoRefreshCheckThreshold(denom);
+                const executeThreshold = getAutoRefreshExecuteThreshold(denom);
+                if (isTimestampExpired(executeThreshold)) {
+                    // No need to consider this denomination, we already did an auto refresh check.
+                    continue;
+                }
+                minCheckThreshold = timestampMin(minCheckThreshold, checkThreshold);
+            }
+            exchange.nextRefreshCheck = minCheckThreshold;
+            yield tx.put(Stores.exchanges, exchange);
+        }));
+    });
+}
+
+/*
+ This file is part of GNU Taler
+ (C) 2019-2020 Taler Systems SA
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+const logger$6 = new Logger("operations/recoup.ts");
+function incrementRecoupRetry(ws, recoupGroupId, err) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield ws.db.runWithWriteTransaction([Stores.recoupGroups], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const r = yield tx.get(Stores.recoupGroups, recoupGroupId);
+            if (!r) {
+                return;
+            }
+            if (!r.retryInfo) {
+                return;
+            }
+            r.retryInfo.retryCounter++;
+            updateRetryInfoTimeout(r.retryInfo);
+            r.lastError = err;
+            yield tx.put(Stores.recoupGroups, r);
+        }));
+        if (err) {
+            ws.notify({ type: NotificationType.RecoupOperationError, error: err });
+        }
+    });
+}
+function putGroupAsFinished(ws, tx, recoupGroup, coinIdx) {
+    return __awaiter(this, void 0, void 0, function* () {
+        logger$6.trace(`setting coin ${coinIdx} of ${recoupGroup.coinPubs.length} as finished`);
+        if (recoupGroup.timestampFinished) {
+            return;
+        }
+        recoupGroup.recoupFinishedPerCoin[coinIdx] = true;
+        let allFinished = true;
+        for (const b of recoupGroup.recoupFinishedPerCoin) {
+            if (!b) {
+                allFinished = false;
+            }
+        }
+        if (allFinished) {
+            logger$6.trace("all recoups of recoup group are finished");
+            recoupGroup.timestampFinished = getTimestampNow();
+            recoupGroup.retryInfo = initRetryInfo(false);
+            recoupGroup.lastError = undefined;
+            if (recoupGroup.scheduleRefreshCoins.length > 0) {
+                const refreshGroupId = yield createRefreshGroup(ws, tx, recoupGroup.scheduleRefreshCoins.map((x) => ({ coinPub: x })), RefreshReason.Recoup);
+                processRefreshGroup(ws, refreshGroupId.refreshGroupId).then((e) => {
+                    console.error("error while refreshing after recoup", e);
+                });
+            }
+        }
+        yield tx.put(Stores.recoupGroups, recoupGroup);
+    });
+}
+function recoupTipCoin(ws, recoupGroupId, coinIdx, coin) {
+    return __awaiter(this, void 0, void 0, function* () {
+        // We can't really recoup a coin we got via tipping.
+        // Thus we just put the coin to sleep.
+        // FIXME: somehow report this to the user
+        yield ws.db.runWithWriteTransaction([Stores.recoupGroups], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const recoupGroup = yield tx.get(Stores.recoupGroups, recoupGroupId);
+            if (!recoupGroup) {
+                return;
+            }
+            if (recoupGroup.recoupFinishedPerCoin[coinIdx]) {
+                return;
+            }
+            yield putGroupAsFinished(ws, tx, recoupGroup, coinIdx);
+        }));
+    });
+}
+function recoupWithdrawCoin(ws, recoupGroupId, coinIdx, coin, cs) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const reservePub = cs.reservePub;
+        const reserve = yield ws.db.get(Stores.reserves, reservePub);
+        if (!reserve) {
+            // FIXME:  We should at least emit some pending operation / warning for this?
+            return;
+        }
+        ws.notify({
+            type: NotificationType.RecoupStarted,
+        });
+        const recoupRequest = yield ws.cryptoApi.createRecoupRequest(coin);
+        const reqUrl = new URL(`/coins/${coin.coinPub}/recoup`, coin.exchangeBaseUrl);
+        const resp = yield ws.http.postJson(reqUrl.href, recoupRequest, {
+            timeout: getReserveRequestTimeout(reserve),
+        });
+        const recoupConfirmation = yield readSuccessResponseJsonOrThrow(resp, codecForRecoupConfirmation());
+        if (recoupConfirmation.reserve_pub !== reservePub) {
+            throw Error(`Coin's reserve doesn't match reserve on recoup`);
+        }
+        const exchange = yield ws.db.get(Stores.exchanges, coin.exchangeBaseUrl);
+        if (!exchange) {
+            // FIXME: report inconsistency?
+            return;
+        }
+        const exchangeDetails = exchange.details;
+        if (!exchangeDetails) {
+            // FIXME: report inconsistency?
+            return;
+        }
+        // FIXME: verify that our expectations about the amount match
+        yield ws.db.runWithWriteTransaction([Stores.coins, Stores.denominations, Stores.reserves, Stores.recoupGroups], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const recoupGroup = yield tx.get(Stores.recoupGroups, recoupGroupId);
+            if (!recoupGroup) {
+                return;
+            }
+            if (recoupGroup.recoupFinishedPerCoin[coinIdx]) {
+                return;
+            }
+            const updatedCoin = yield tx.get(Stores.coins, coin.coinPub);
+            if (!updatedCoin) {
+                return;
+            }
+            const updatedReserve = yield tx.get(Stores.reserves, reserve.reservePub);
+            if (!updatedReserve) {
+                return;
+            }
+            updatedCoin.status = CoinStatus.Dormant;
+            const currency = updatedCoin.currentAmount.currency;
+            updatedCoin.currentAmount = Amounts.getZero(currency);
+            if (updatedReserve.reserveStatus === ReserveRecordStatus.DORMANT) {
+                updatedReserve.reserveStatus = ReserveRecordStatus.QUERYING_STATUS;
+                updatedReserve.retryInfo = initRetryInfo();
+            }
+            else {
+                updatedReserve.requestedQuery = true;
+                updatedReserve.retryInfo = initRetryInfo();
+            }
+            yield tx.put(Stores.coins, updatedCoin);
+            yield tx.put(Stores.reserves, updatedReserve);
+            yield putGroupAsFinished(ws, tx, recoupGroup, coinIdx);
+        }));
+        ws.notify({
+            type: NotificationType.RecoupFinished,
+        });
+    });
+}
+function recoupRefreshCoin(ws, recoupGroupId, coinIdx, coin, cs) {
+    return __awaiter(this, void 0, void 0, function* () {
+        ws.notify({
+            type: NotificationType.RecoupStarted,
+        });
+        const recoupRequest = yield ws.cryptoApi.createRecoupRequest(coin);
+        const reqUrl = new URL(`/coins/${coin.coinPub}/recoup`, coin.exchangeBaseUrl);
+        logger$6.trace(`making recoup request for ${coin.coinPub}`);
+        const resp = yield ws.http.postJson(reqUrl.href, recoupRequest);
+        const recoupConfirmation = yield readSuccessResponseJsonOrThrow(resp, codecForRecoupConfirmation());
+        if (recoupConfirmation.old_coin_pub != cs.oldCoinPub) {
+            throw Error(`Coin's oldCoinPub doesn't match reserve on recoup`);
+        }
+        const exchange = yield ws.db.get(Stores.exchanges, coin.exchangeBaseUrl);
+        if (!exchange) {
+            logger$6.warn("exchange for recoup does not exist anymore");
+            // FIXME: report inconsistency?
+            return;
+        }
+        const exchangeDetails = exchange.details;
+        if (!exchangeDetails) {
+            // FIXME: report inconsistency?
+            logger$6.warn("exchange details for recoup not found");
+            return;
+        }
+        yield ws.db.runWithWriteTransaction([
+            Stores.coins,
+            Stores.denominations,
+            Stores.reserves,
+            Stores.recoupGroups,
+            Stores.refreshGroups,
+        ], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const recoupGroup = yield tx.get(Stores.recoupGroups, recoupGroupId);
+            if (!recoupGroup) {
+                return;
+            }
+            if (recoupGroup.recoupFinishedPerCoin[coinIdx]) {
+                return;
+            }
+            const oldCoin = yield tx.get(Stores.coins, cs.oldCoinPub);
+            const revokedCoin = yield tx.get(Stores.coins, coin.coinPub);
+            if (!revokedCoin) {
+                logger$6.warn("revoked coin for recoup not found");
+                return;
+            }
+            if (!oldCoin) {
+                logger$6.warn("refresh old coin for recoup not found");
+                return;
+            }
+            revokedCoin.status = CoinStatus.Dormant;
+            oldCoin.currentAmount = Amounts.add(oldCoin.currentAmount, recoupGroup.oldAmountPerCoin[coinIdx]).amount;
+            logger$6.trace("recoup: setting old coin amount to", Amounts.stringify(oldCoin.currentAmount));
+            recoupGroup.scheduleRefreshCoins.push(oldCoin.coinPub);
+            yield tx.put(Stores.coins, revokedCoin);
+            yield tx.put(Stores.coins, oldCoin);
+            yield putGroupAsFinished(ws, tx, recoupGroup, coinIdx);
+        }));
+    });
+}
+function resetRecoupGroupRetry(ws, recoupGroupId) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield ws.db.mutate(Stores.recoupGroups, recoupGroupId, (x) => {
+            if (x.retryInfo.active) {
+                x.retryInfo = initRetryInfo();
+            }
+            return x;
+        });
+    });
+}
+function processRecoupGroup(ws, recoupGroupId, forceNow = false) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield ws.memoProcessRecoup.memo(recoupGroupId, () => __awaiter(this, void 0, void 0, function* () {
+            const onOpErr = (e) => incrementRecoupRetry(ws, recoupGroupId, e);
+            return yield guardOperationException(() => __awaiter(this, void 0, void 0, function* () { return yield processRecoupGroupImpl(ws, recoupGroupId, forceNow); }), onOpErr);
+        }));
+    });
+}
+function processRecoupGroupImpl(ws, recoupGroupId, forceNow = false) {
+    return __awaiter(this, void 0, void 0, function* () {
+        if (forceNow) {
+            yield resetRecoupGroupRetry(ws, recoupGroupId);
+        }
+        const recoupGroup = yield ws.db.get(Stores.recoupGroups, recoupGroupId);
+        if (!recoupGroup) {
+            return;
+        }
+        if (recoupGroup.timestampFinished) {
+            logger$6.trace("recoup group finished");
+            return;
+        }
+        const ps = recoupGroup.coinPubs.map((x, i) => processRecoup(ws, recoupGroupId, i));
+        yield Promise.all(ps);
+        const reserveSet = new Set();
+        for (let i = 0; i < recoupGroup.coinPubs.length; i++) {
+            const coinPub = recoupGroup.coinPubs[i];
+            const coin = yield ws.db.get(Stores.coins, coinPub);
+            if (!coin) {
+                throw Error(`Coin ${coinPub} not found, can't request payback`);
+            }
+            if (coin.coinSource.type === CoinSourceType.Withdraw) {
+                reserveSet.add(coin.coinSource.reservePub);
+            }
+        }
+        for (const r of reserveSet.values()) {
+            processReserve(ws, r).catch((e) => {
+                logger$6.error(`processing reserve ${r} after recoup failed`);
+            });
+        }
+    });
+}
+function createRecoupGroup(ws, tx, coinPubs) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const recoupGroupId = encodeCrock(getRandomBytes(32));
+        const recoupGroup = {
+            recoupGroupId,
+            coinPubs: coinPubs,
+            lastError: undefined,
+            timestampFinished: undefined,
+            timestampStarted: getTimestampNow(),
+            retryInfo: initRetryInfo(),
+            recoupFinishedPerCoin: coinPubs.map(() => false),
+            // Will be populated later
+            oldAmountPerCoin: [],
+            scheduleRefreshCoins: [],
+        };
+        for (let coinIdx = 0; coinIdx < coinPubs.length; coinIdx++) {
+            const coinPub = coinPubs[coinIdx];
+            const coin = yield tx.get(Stores.coins, coinPub);
+            if (!coin) {
+                yield putGroupAsFinished(ws, tx, recoupGroup, coinIdx);
+                continue;
+            }
+            if (Amounts.isZero(coin.currentAmount)) {
+                yield putGroupAsFinished(ws, tx, recoupGroup, coinIdx);
+                continue;
+            }
+            recoupGroup.oldAmountPerCoin[coinIdx] = coin.currentAmount;
+            coin.currentAmount = Amounts.getZero(coin.currentAmount.currency);
+            yield tx.put(Stores.coins, coin);
+        }
+        yield tx.put(Stores.recoupGroups, recoupGroup);
+        return recoupGroupId;
+    });
+}
+function processRecoup(ws, recoupGroupId, coinIdx) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const recoupGroup = yield ws.db.get(Stores.recoupGroups, recoupGroupId);
+        if (!recoupGroup) {
+            return;
+        }
+        if (recoupGroup.timestampFinished) {
+            return;
+        }
+        if (recoupGroup.recoupFinishedPerCoin[coinIdx]) {
+            return;
+        }
+        const coinPub = recoupGroup.coinPubs[coinIdx];
+        const coin = yield ws.db.get(Stores.coins, coinPub);
+        if (!coin) {
+            throw Error(`Coin ${coinPub} not found, can't request payback`);
+        }
+        const cs = coin.coinSource;
+        switch (cs.type) {
+            case CoinSourceType.Tip:
+                return recoupTipCoin(ws, recoupGroupId, coinIdx);
+            case CoinSourceType.Refresh:
+                return recoupRefreshCoin(ws, recoupGroupId, coinIdx, coin, cs);
+            case CoinSourceType.Withdraw:
+                return recoupWithdrawCoin(ws, recoupGroupId, coinIdx, coin, cs);
+            default:
+                throw Error("unknown coin source type");
+        }
+    });
+}
+
+/*
+ This file is part of GNU Taler
+ (C) 2019 GNUnet e.V.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+const logger$7 = new Logger("exchanges.ts");
+function denominationRecordFromKeys(ws, exchangeBaseUrl, denomIn) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const denomPubHash = yield ws.cryptoApi.hashEncoded(denomIn.denom_pub);
+        const d = {
+            denomPub: denomIn.denom_pub,
+            denomPubHash,
+            exchangeBaseUrl,
+            feeDeposit: parseOrThrow(denomIn.fee_deposit),
+            feeRefresh: parseOrThrow(denomIn.fee_refresh),
+            feeRefund: parseOrThrow(denomIn.fee_refund),
+            feeWithdraw: parseOrThrow(denomIn.fee_withdraw),
+            isOffered: true,
+            isRevoked: false,
+            masterSig: denomIn.master_sig,
+            stampExpireDeposit: denomIn.stamp_expire_deposit,
+            stampExpireLegal: denomIn.stamp_expire_legal,
+            stampExpireWithdraw: denomIn.stamp_expire_withdraw,
+            stampStart: denomIn.stamp_start,
+            status: DenominationStatus.Unverified,
+            value: parseOrThrow(denomIn.value),
+        };
+        return d;
+    });
+}
+function handleExchangeUpdateError(ws, baseUrl, err) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield ws.db.runWithWriteTransaction([Stores.exchanges], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const exchange = yield tx.get(Stores.exchanges, baseUrl);
+            if (!exchange) {
+                return;
+            }
+            exchange.retryInfo.retryCounter++;
+            updateRetryInfoTimeout(exchange.retryInfo);
+            exchange.lastError = err;
+        }));
+        if (err) {
+            ws.notify({ type: NotificationType.ExchangeOperationError, error: err });
+        }
+    });
+}
+function getExchangeRequestTimeout(e) {
+    return { d_ms: 5000 };
+}
+/**
+ * Fetch the exchange's /keys and update our database accordingly.
+ *
+ * Exceptions thrown in this method must be caught and reported
+ * in the pending operations.
+ */
+function updateExchangeWithKeys(ws, baseUrl) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const existingExchangeRecord = yield ws.db.get(Stores.exchanges, baseUrl);
+        if ((existingExchangeRecord === null || existingExchangeRecord === void 0 ? void 0 : existingExchangeRecord.updateStatus) != ExchangeUpdateStatus.FetchKeys) {
+            return;
+        }
+        logger$7.info("updating exchange /keys info");
+        const keysUrl = new URL("keys", baseUrl);
+        keysUrl.searchParams.set("cacheBreaker", WALLET_CACHE_BREAKER_CLIENT_VERSION);
+        const resp = yield ws.http.get(keysUrl.href, {
+            timeout: getExchangeRequestTimeout(),
+        });
+        const exchangeKeysJson = yield readSuccessResponseJsonOrThrow(resp, codecForExchangeKeysJson());
+        logger$7.info("received /keys response");
+        logger$7.trace(j2s(exchangeKeysJson));
+        if (exchangeKeysJson.denoms.length === 0) {
+            const opErr = makeErrorDetails(TalerErrorCode.WALLET_EXCHANGE_DENOMINATIONS_INSUFFICIENT, "exchange doesn't offer any denominations", {
+                exchangeBaseUrl: baseUrl,
+            });
+            yield handleExchangeUpdateError(ws, baseUrl, opErr);
+            throw new OperationFailedAndReportedError(opErr);
+        }
+        const protocolVersion = exchangeKeysJson.version;
+        const versionRes = compare(WALLET_EXCHANGE_PROTOCOL_VERSION, protocolVersion);
+        if ((versionRes === null || versionRes === void 0 ? void 0 : versionRes.compatible) != true) {
+            const opErr = makeErrorDetails(TalerErrorCode.WALLET_EXCHANGE_PROTOCOL_VERSION_INCOMPATIBLE, "exchange protocol version not compatible with wallet", {
+                exchangeProtocolVersion: protocolVersion,
+                walletProtocolVersion: WALLET_EXCHANGE_PROTOCOL_VERSION,
+            });
+            yield handleExchangeUpdateError(ws, baseUrl, opErr);
+            throw new OperationFailedAndReportedError(opErr);
+        }
+        const currency = parseOrThrow(exchangeKeysJson.denoms[0].value)
+            .currency;
+        logger$7.trace("processing denominations");
+        const newDenominations = yield Promise.all(exchangeKeysJson.denoms.map((d) => denominationRecordFromKeys(ws, baseUrl, d)));
+        logger$7.trace("done with processing denominations");
+        const lastUpdateTimestamp = getTimestampNow();
+        yield ws.db.runWithWriteTransaction([Stores.exchanges, Stores.denominations, Stores.recoupGroups, Stores.coins], (tx) => __awaiter(this, void 0, void 0, function* () {
+            var _a;
+            const r = yield tx.get(Stores.exchanges, baseUrl);
+            if (!r) {
+                logger$7.warn(`exchange ${baseUrl} no longer present`);
+                return;
+            }
+            if (r.details) ;
+            // FIXME: validate signing keys and merge with old set
+            r.details = {
+                auditors: exchangeKeysJson.auditors,
+                currency: currency,
+                lastUpdateTime: lastUpdateTimestamp,
+                masterPublicKey: exchangeKeysJson.master_public_key,
+                protocolVersion: protocolVersion,
+                signingKeys: exchangeKeysJson.signkeys,
+                nextUpdateTime: getExpiryTimestamp(resp, {
+                    minDuration: durationFromSpec({ hours: 1 }),
+                }),
+                reserveClosingDelay: exchangeKeysJson.reserve_closing_delay,
+            };
+            r.updateStatus = ExchangeUpdateStatus.FetchWire;
+            r.lastError = undefined;
+            r.retryInfo = initRetryInfo(false);
+            yield tx.put(Stores.exchanges, r);
+            for (const newDenom of newDenominations) {
+                const oldDenom = yield tx.get(Stores.denominations, [
+                    baseUrl,
+                    newDenom.denomPubHash,
+                ]);
+                if (oldDenom) ;
+                else {
+                    yield tx.put(Stores.denominations, newDenom);
+                }
+            }
+            // Handle recoup
+            const recoupDenomList = (_a = exchangeKeysJson.recoup) !== null && _a !== void 0 ? _a : [];
+            const newlyRevokedCoinPubs = [];
+            logger$7.trace("recoup list from exchange", recoupDenomList);
+            for (const recoupInfo of recoupDenomList) {
+                const oldDenom = yield tx.get(Stores.denominations, [
+                    r.baseUrl,
+                    recoupInfo.h_denom_pub,
+                ]);
+                if (!oldDenom) {
+                    // We never even knew about the revoked denomination, all good.
+                    continue;
+                }
+                if (oldDenom.isRevoked) {
+                    // We already marked the denomination as revoked,
+                    // this implies we revoked all coins
+                    logger$7.trace("denom already revoked");
+                    continue;
+                }
+                logger$7.trace("revoking denom", recoupInfo.h_denom_pub);
+                oldDenom.isRevoked = true;
+                yield tx.put(Stores.denominations, oldDenom);
+                const affectedCoins = yield tx
+                    .iterIndexed(Stores.coins.denomPubHashIndex, recoupInfo.h_denom_pub)
+                    .toArray();
+                for (const ac of affectedCoins) {
+                    newlyRevokedCoinPubs.push(ac.coinPub);
+                }
+            }
+            if (newlyRevokedCoinPubs.length != 0) {
+                logger$7.trace("recouping coins", newlyRevokedCoinPubs);
+                yield createRecoupGroup(ws, tx, newlyRevokedCoinPubs);
+            }
+        }));
+        logger$7.trace("done updating exchange /keys");
+    });
+}
+function updateExchangeFinalize(ws, exchangeBaseUrl) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const exchange = yield ws.db.get(Stores.exchanges, exchangeBaseUrl);
+        if (!exchange) {
+            return;
+        }
+        if (exchange.updateStatus != ExchangeUpdateStatus.FinalizeUpdate) {
+            return;
+        }
+        yield ws.db.runWithWriteTransaction([Stores.exchanges], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const r = yield tx.get(Stores.exchanges, exchangeBaseUrl);
+            if (!r) {
+                return;
+            }
+            if (r.updateStatus != ExchangeUpdateStatus.FinalizeUpdate) {
+                return;
+            }
+            r.addComplete = true;
+            r.updateStatus = ExchangeUpdateStatus.Finished;
+            // Reset time to next auto refresh check,
+            // as now new denominations might be available.
+            r.nextRefreshCheck = undefined;
+            yield tx.put(Stores.exchanges, r);
+        }));
+    });
+}
+function updateExchangeWithTermsOfService(ws, exchangeBaseUrl) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const exchange = yield ws.db.get(Stores.exchanges, exchangeBaseUrl);
+        if (!exchange) {
+            return;
+        }
+        if (exchange.updateStatus != ExchangeUpdateStatus.FetchTerms) {
+            return;
+        }
+        const reqUrl = new URL("terms", exchangeBaseUrl);
+        reqUrl.searchParams.set("cacheBreaker", WALLET_CACHE_BREAKER_CLIENT_VERSION);
+        const headers = {
+            Accept: "text/plain",
+        };
+        const resp = yield ws.http.get(reqUrl.href, {
+            headers,
+            timeout: getExchangeRequestTimeout(),
+        });
+        const tosText = yield readSuccessResponseTextOrThrow(resp);
+        const tosEtag = resp.headers.get("etag") || undefined;
+        yield ws.db.runWithWriteTransaction([Stores.exchanges], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const r = yield tx.get(Stores.exchanges, exchangeBaseUrl);
+            if (!r) {
+                return;
+            }
+            if (r.updateStatus != ExchangeUpdateStatus.FetchTerms) {
+                return;
+            }
+            r.termsOfServiceText = tosText;
+            r.termsOfServiceLastEtag = tosEtag;
+            r.updateStatus = ExchangeUpdateStatus.FinalizeUpdate;
+            yield tx.put(Stores.exchanges, r);
+        }));
+    });
+}
+function acceptExchangeTermsOfService(ws, exchangeBaseUrl, etag) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield ws.db.runWithWriteTransaction([Stores.exchanges], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const r = yield tx.get(Stores.exchanges, exchangeBaseUrl);
+            if (!r) {
+                return;
+            }
+            r.termsOfServiceAcceptedEtag = etag;
+            yield tx.put(Stores.exchanges, r);
+        }));
+    });
+}
+/**
+ * Fetch wire information for an exchange and store it in the database.
+ *
+ * @param exchangeBaseUrl Exchange base URL, assumed to be already normalized.
+ */
+function updateExchangeWithWireInfo(ws, exchangeBaseUrl) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const exchange = yield ws.db.get(Stores.exchanges, exchangeBaseUrl);
+        if (!exchange) {
+            return;
+        }
+        if (exchange.updateStatus != ExchangeUpdateStatus.FetchWire) {
+            return;
+        }
+        const details = exchange.details;
+        if (!details) {
+            throw Error("invalid exchange state");
+        }
+        const reqUrl = new URL("wire", exchangeBaseUrl);
+        reqUrl.searchParams.set("cacheBreaker", WALLET_CACHE_BREAKER_CLIENT_VERSION);
+        const resp = yield ws.http.get(reqUrl.href, {
+            timeout: getExchangeRequestTimeout(),
+        });
+        const wireInfo = yield readSuccessResponseJsonOrThrow(resp, codecForExchangeWireJson());
+        for (const a of wireInfo.accounts) {
+            logger$7.trace("validating exchange acct");
+            const isValid = yield ws.cryptoApi.isValidWireAccount(a.payto_uri, a.master_sig, details.masterPublicKey);
+            if (!isValid) {
+                throw Error("exchange acct signature invalid");
+            }
+        }
+        const feesForType = {};
+        for (const wireMethod of Object.keys(wireInfo.fees)) {
+            const feeList = [];
+            for (const x of wireInfo.fees[wireMethod]) {
+                const startStamp = x.start_date;
+                const endStamp = x.end_date;
+                const fee = {
+                    closingFee: parseOrThrow(x.closing_fee),
+                    endStamp,
+                    sig: x.sig,
+                    startStamp,
+                    wireFee: parseOrThrow(x.wire_fee),
+                };
+                const isValid = yield ws.cryptoApi.isValidWireFee(wireMethod, fee, details.masterPublicKey);
+                if (!isValid) {
+                    throw Error("exchange wire fee signature invalid");
+                }
+                feeList.push(fee);
+            }
+            feesForType[wireMethod] = feeList;
+        }
+        yield ws.db.runWithWriteTransaction([Stores.exchanges], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const r = yield tx.get(Stores.exchanges, exchangeBaseUrl);
+            if (!r) {
+                return;
+            }
+            if (r.updateStatus != ExchangeUpdateStatus.FetchWire) {
+                return;
+            }
+            r.wireInfo = {
+                accounts: wireInfo.accounts,
+                feesForType: feesForType,
+            };
+            r.updateStatus = ExchangeUpdateStatus.FetchTerms;
+            r.lastError = undefined;
+            r.retryInfo = initRetryInfo(false);
+            yield tx.put(Stores.exchanges, r);
+        }));
+    });
+}
+function updateExchangeFromUrl(ws, baseUrl, forceNow = false) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const onOpErr = (e) => handleExchangeUpdateError(ws, baseUrl, e);
+        return yield guardOperationException(() => updateExchangeFromUrlImpl(ws, baseUrl, forceNow), onOpErr);
+    });
+}
+/**
+ * Update or add exchange DB entry by fetching the /keys and /wire information.
+ * Optionally link the reserve entry to the new or existing
+ * exchange entry in then DB.
+ */
+function updateExchangeFromUrlImpl(ws, baseUrl, forceNow = false) {
+    return __awaiter(this, void 0, void 0, function* () {
+        logger$7.trace(`updating exchange info for ${baseUrl}`);
+        const now = getTimestampNow();
+        baseUrl = canonicalizeBaseUrl(baseUrl);
+        let r = yield ws.db.get(Stores.exchanges, baseUrl);
+        if (!r) {
+            const newExchangeRecord = {
+                builtIn: false,
+                addComplete: false,
+                permanent: true,
+                baseUrl: baseUrl,
+                details: undefined,
+                wireInfo: undefined,
+                updateStatus: ExchangeUpdateStatus.FetchKeys,
+                updateStarted: now,
+                updateReason: ExchangeUpdateReason.Initial,
+                termsOfServiceAcceptedEtag: undefined,
+                termsOfServiceLastEtag: undefined,
+                termsOfServiceText: undefined,
+                retryInfo: initRetryInfo(false),
+            };
+            yield ws.db.put(Stores.exchanges, newExchangeRecord);
+        }
+        else {
+            yield ws.db.runWithWriteTransaction([Stores.exchanges], (t) => __awaiter(this, void 0, void 0, function* () {
+                var _a;
+                const rec = yield t.get(Stores.exchanges, baseUrl);
+                if (!rec) {
+                    return;
+                }
+                if (rec.updateStatus != ExchangeUpdateStatus.FetchKeys) {
+                    const t = (_a = rec.details) === null || _a === void 0 ? void 0 : _a.nextUpdateTime;
+                    if (!forceNow && t && !isTimestampExpired(t)) {
+                        return;
+                    }
+                }
+                if (rec.updateStatus != ExchangeUpdateStatus.FetchKeys && forceNow) {
+                    rec.updateReason = ExchangeUpdateReason.Forced;
+                }
+                rec.updateStarted = now;
+                rec.updateStatus = ExchangeUpdateStatus.FetchKeys;
+                rec.lastError = undefined;
+                rec.retryInfo = initRetryInfo(false);
+                t.put(Stores.exchanges, rec);
+            }));
+        }
+        yield updateExchangeWithKeys(ws, baseUrl);
+        yield updateExchangeWithWireInfo(ws, baseUrl);
+        yield updateExchangeWithTermsOfService(ws, baseUrl);
+        yield updateExchangeFinalize(ws, baseUrl);
+        const updatedExchange = yield ws.db.get(Stores.exchanges, baseUrl);
+        checkDbInvariant(!!updatedExchange);
+        return updatedExchange;
+    });
+}
+/**
+ * Check if and how an exchange is trusted and/or audited.
+ */
+function getExchangeTrust(ws, exchangeInfo) {
+    return __awaiter(this, void 0, void 0, function* () {
+        let isTrusted = false;
+        let isAudited = false;
+        const exchangeDetails = exchangeInfo.details;
+        if (!exchangeDetails) {
+            throw Error(`exchange ${exchangeInfo.baseUrl} details not available`);
+        }
+        const currencyRecord = yield ws.db.get(Stores.currencies, exchangeDetails.currency);
+        if (currencyRecord) {
+            for (const trustedExchange of currencyRecord.exchanges) {
+                if (trustedExchange.exchangeMasterPub === exchangeDetails.masterPublicKey) {
+                    isTrusted = true;
+                    break;
+                }
+            }
+            for (const trustedAuditor of currencyRecord.auditors) {
+                for (const exchangeAuditor of exchangeDetails.auditors) {
+                    if (trustedAuditor.auditorPub === exchangeAuditor.auditor_pub) {
+                        isAudited = true;
+                        break;
+                    }
+                }
+            }
+        }
+        return { isTrusted, isAudited };
+    });
+}
+function getExchangePaytoUri(ws, exchangeBaseUrl, supportedTargetTypes) {
+    return __awaiter(this, void 0, void 0, function* () {
+        // We do the update here, since the exchange might not even exist
+        // yet in our database.
+        const exchangeRecord = yield updateExchangeFromUrl(ws, exchangeBaseUrl);
+        if (!exchangeRecord) {
+            throw Error(`Exchange '${exchangeBaseUrl}' not found.`);
+        }
+        const exchangeWireInfo = exchangeRecord.wireInfo;
+        if (!exchangeWireInfo) {
+            throw Error(`Exchange wire info for '${exchangeBaseUrl}' not found.`);
+        }
+        for (const account of exchangeWireInfo.accounts) {
+            const res = parsePaytoUri(account.payto_uri);
+            if (!res) {
+                continue;
+            }
+            if (supportedTargetTypes.includes(res.targetType)) {
+                return account.payto_uri;
+            }
+        }
+        throw Error("no matching exchange account found");
+    });
+}
+
+/*
+ This file is part of GNU Taler
+ (C) 2019-2020 Taler Systems SA
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+const logger$8 = new Logger("withdraw.ts");
+/**
+ * Check if a denom is withdrawable based on the expiration time
+ * and revocation state.
+ */
+function isWithdrawableDenom(d) {
+    const now = getTimestampNow();
+    const started = timestampCmp(now, d.stampStart) >= 0;
+    const lastPossibleWithdraw = timestampSubtractDuraction(d.stampExpireWithdraw, { d_ms: 50 * 1000 });
+    const remaining = getDurationRemaining(lastPossibleWithdraw, now);
+    const stillOkay = remaining.d_ms !== 0;
+    return started && stillOkay && !d.isRevoked;
+}
+/**
+ * Get a list of denominations (with repetitions possible)
+ * whose total value is as close as possible to the available
+ * amount, but never larger.
+ */
+function selectWithdrawalDenominations(amountAvailable, denoms) {
+    let remaining = Amounts.copy(amountAvailable);
+    const selectedDenoms = [];
+    let totalCoinValue = Amounts.getZero(amountAvailable.currency);
+    let totalWithdrawCost = Amounts.getZero(amountAvailable.currency);
+    denoms = denoms.filter(isWithdrawableDenom);
+    denoms.sort((d1, d2) => Amounts.cmp(d2.value, d1.value));
+    for (const d of denoms) {
+        let count = 0;
+        const cost = Amounts.add(d.value, d.feeWithdraw).amount;
+        for (;;) {
+            if (Amounts.cmp(remaining, cost) < 0) {
+                break;
+            }
+            remaining = Amounts.sub(remaining, cost).amount;
+            count++;
+        }
+        if (count > 0) {
+            totalCoinValue = Amounts.add(totalCoinValue, Amounts.mult(d.value, count).amount).amount;
+            totalWithdrawCost = Amounts.add(totalWithdrawCost, Amounts.mult(cost, count).amount).amount;
+            selectedDenoms.push({
+                count,
+                denom: d,
+            });
+        }
+        if (Amounts.isZero(remaining)) {
+            break;
+        }
+    }
+    return {
+        selectedDenoms,
+        totalCoinValue,
+        totalWithdrawCost,
+    };
+}
+/**
+ * Get information about a withdrawal from
+ * a taler://withdraw URI by asking the bank.
+ */
+function getBankWithdrawalInfo(ws, talerWithdrawUri) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const uriResult = parseWithdrawUri(talerWithdrawUri);
+        if (!uriResult) {
+            throw Error(`can't parse URL ${talerWithdrawUri}`);
+        }
+        const configReqUrl = new URL("config", uriResult.bankIntegrationApiBaseUrl);
+        const configResp = yield ws.http.get(configReqUrl.href);
+        const config = yield readSuccessResponseJsonOrThrow(configResp, codecForTalerConfigResponse());
+        const versionRes = compare(WALLET_BANK_INTEGRATION_PROTOCOL_VERSION, config.version);
+        if ((versionRes === null || versionRes === void 0 ? void 0 : versionRes.compatible) != true) {
+            const opErr = makeErrorDetails(TalerErrorCode.WALLET_BANK_INTEGRATION_PROTOCOL_VERSION_INCOMPATIBLE, "bank integration protocol version not compatible with wallet", {
+                exchangeProtocolVersion: config.version,
+                walletProtocolVersion: WALLET_BANK_INTEGRATION_PROTOCOL_VERSION,
+            });
+            throw new OperationFailedError(opErr);
+        }
+        const reqUrl = new URL(`withdrawal-operation/${uriResult.withdrawalOperationId}`, uriResult.bankIntegrationApiBaseUrl);
+        const resp = yield ws.http.get(reqUrl.href);
+        const status = yield readSuccessResponseJsonOrThrow(resp, codecForWithdrawOperationStatusResponse());
+        return {
+            amount: Amounts.parseOrThrow(status.amount),
+            confirmTransferUrl: status.confirm_transfer_url,
+            extractedStatusUrl: reqUrl.href,
+            selectionDone: status.selection_done,
+            senderWire: status.sender_wire,
+            suggestedExchange: status.suggested_exchange,
+            transferDone: status.transfer_done,
+            wireTypes: status.wire_types,
+        };
+    });
+}
+/**
+ * Return denominations that can potentially used for a withdrawal.
+ */
+function getCandidateWithdrawalDenoms(ws, exchangeBaseUrl) {
+    return __awaiter(this, void 0, void 0, function* () {
+        return yield ws.db
+            .iterIndex(Stores.denominations.exchangeBaseUrlIndex, exchangeBaseUrl)
+            .filter((d) => {
+            return ((d.status === DenominationStatus.Unverified ||
+                d.status === DenominationStatus.VerifiedGood) &&
+                !d.isRevoked);
+        });
+    });
+}
+/**
+ * Generate a planchet for a coin index in a withdrawal group.
+ * Does not actually withdraw the coin yet.
+ *
+ * Split up so that we can parallelize the crypto, but serialize
+ * the exchange requests per reserve.
+ */
+function processPlanchetGenerate(ws, withdrawalGroupId, coinIdx) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const withdrawalGroup = yield ws.db.get(Stores.withdrawalGroups, withdrawalGroupId);
+        if (!withdrawalGroup) {
+            return;
+        }
+        let planchet = yield ws.db.getIndexed(Stores.planchets.byGroupAndIndex, [
+            withdrawalGroupId,
+            coinIdx,
+        ]);
+        if (!planchet) {
+            let ci = 0;
+            let denomPubHash;
+            for (let di = 0; di < withdrawalGroup.denomsSel.selectedDenoms.length; di++) {
+                const d = withdrawalGroup.denomsSel.selectedDenoms[di];
+                if (coinIdx >= ci && coinIdx < ci + d.count) {
+                    denomPubHash = d.denomPubHash;
+                    break;
+                }
+                ci += d.count;
+            }
+            if (!denomPubHash) {
+                throw Error("invariant violated");
+            }
+            const denom = yield ws.db.get(Stores.denominations, [
+                withdrawalGroup.exchangeBaseUrl,
+                denomPubHash,
+            ]);
+            if (!denom) {
+                throw Error("invariant violated");
+            }
+            const reserve = yield ws.db.get(Stores.reserves, withdrawalGroup.reservePub);
+            if (!reserve) {
+                throw Error("invariant violated");
+            }
+            const r = yield ws.cryptoApi.createPlanchet({
+                denomPub: denom.denomPub,
+                feeWithdraw: denom.feeWithdraw,
+                reservePriv: reserve.reservePriv,
+                reservePub: reserve.reservePub,
+                value: denom.value,
+                coinIndex: coinIdx,
+                secretSeed: withdrawalGroup.secretSeed,
+            });
+            const newPlanchet = {
+                blindingKey: r.blindingKey,
+                coinEv: r.coinEv,
+                coinEvHash: r.coinEvHash,
+                coinIdx,
+                coinPriv: r.coinPriv,
+                coinPub: r.coinPub,
+                coinValue: r.coinValue,
+                denomPub: r.denomPub,
+                denomPubHash: r.denomPubHash,
+                isFromTip: false,
+                reservePub: r.reservePub,
+                withdrawalDone: false,
+                withdrawSig: r.withdrawSig,
+                withdrawalGroupId: withdrawalGroupId,
+                lastError: undefined,
+            };
+            yield ws.db.runWithWriteTransaction([Stores.planchets], (tx) => __awaiter(this, void 0, void 0, function* () {
+                const p = yield tx.getIndexed(Stores.planchets.byGroupAndIndex, [
+                    withdrawalGroupId,
+                    coinIdx,
+                ]);
+                if (p) {
+                    planchet = p;
+                    return;
+                }
+                yield tx.put(Stores.planchets, newPlanchet);
+                planchet = newPlanchet;
+            }));
+        }
+    });
+}
+/**
+ * Send the withdrawal request for a generated planchet to the exchange.
+ *
+ * The verification of the response is done asynchronously to enable parallelism.
+ */
+function processPlanchetExchangeRequest(ws, withdrawalGroupId, coinIdx) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const withdrawalGroup = yield ws.db.get(Stores.withdrawalGroups, withdrawalGroupId);
+        if (!withdrawalGroup) {
+            return;
+        }
+        let planchet = yield ws.db.getIndexed(Stores.planchets.byGroupAndIndex, [
+            withdrawalGroupId,
+            coinIdx,
+        ]);
+        if (!planchet) {
+            return;
+        }
+        if (planchet.withdrawalDone) {
+            logger$8.warn("processPlanchet: planchet already withdrawn");
+            return;
+        }
+        const exchange = yield ws.db.get(Stores.exchanges, withdrawalGroup.exchangeBaseUrl);
+        if (!exchange) {
+            logger$8.error("db inconsistent: exchange for planchet not found");
+            return;
+        }
+        const denom = yield ws.db.get(Stores.denominations, [
+            withdrawalGroup.exchangeBaseUrl,
+            planchet.denomPubHash,
+        ]);
+        if (!denom) {
+            console.error("db inconsistent: denom for planchet not found");
+            return;
+        }
+        logger$8.trace(`processing planchet #${coinIdx} in withdrawal ${withdrawalGroupId}`);
+        const wd = {};
+        wd.denom_pub_hash = planchet.denomPubHash;
+        wd.reserve_pub = planchet.reservePub;
+        wd.reserve_sig = planchet.withdrawSig;
+        wd.coin_ev = planchet.coinEv;
+        const reqUrl = new URL(`reserves/${planchet.reservePub}/withdraw`, exchange.baseUrl).href;
+        try {
+            const resp = yield ws.http.postJson(reqUrl, wd);
+            const r = yield readSuccessResponseJsonOrThrow(resp, codecForWithdrawResponse());
+            return r;
+        }
+        catch (e) {
+            logger$8.trace("withdrawal request failed", e);
+            logger$8.trace(e);
+            if (!(e instanceof OperationFailedError)) {
+                throw e;
+            }
+            const errDetails = e.operationError;
+            yield ws.db.runWithWriteTransaction([Stores.planchets], (tx) => __awaiter(this, void 0, void 0, function* () {
+                let planchet = yield tx.getIndexed(Stores.planchets.byGroupAndIndex, [
+                    withdrawalGroupId,
+                    coinIdx,
+                ]);
+                if (!planchet) {
+                    return;
+                }
+                planchet.lastError = errDetails;
+                yield tx.put(Stores.planchets, planchet);
+            }));
+            return;
+        }
+    });
+}
+function processPlanchetVerifyAndStoreCoin(ws, withdrawalGroupId, coinIdx, resp) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const withdrawalGroup = yield ws.db.get(Stores.withdrawalGroups, withdrawalGroupId);
+        if (!withdrawalGroup) {
+            return;
+        }
+        let planchet = yield ws.db.getIndexed(Stores.planchets.byGroupAndIndex, [
+            withdrawalGroupId,
+            coinIdx,
+        ]);
+        if (!planchet) {
+            return;
+        }
+        if (planchet.withdrawalDone) {
+            logger$8.warn("processPlanchet: planchet already withdrawn");
+            return;
+        }
+        const denomSig = yield ws.cryptoApi.rsaUnblind(resp.ev_sig, planchet.blindingKey, planchet.denomPub);
+        const isValid = yield ws.cryptoApi.rsaVerify(planchet.coinPub, denomSig, planchet.denomPub);
+        if (!isValid) {
+            yield ws.db.runWithWriteTransaction([Stores.planchets], (tx) => __awaiter(this, void 0, void 0, function* () {
+                let planchet = yield tx.getIndexed(Stores.planchets.byGroupAndIndex, [
+                    withdrawalGroupId,
+                    coinIdx,
+                ]);
+                if (!planchet) {
+                    return;
+                }
+                planchet.lastError = makeErrorDetails(TalerErrorCode.WALLET_EXCHANGE_COIN_SIGNATURE_INVALID, "invalid signature from the exchange after unblinding", {});
+                yield tx.put(Stores.planchets, planchet);
+            }));
+            return;
+        }
+        const coin = {
+            blindingKey: planchet.blindingKey,
+            coinPriv: planchet.coinPriv,
+            coinPub: planchet.coinPub,
+            currentAmount: planchet.coinValue,
+            denomPub: planchet.denomPub,
+            denomPubHash: planchet.denomPubHash,
+            denomSig,
+            coinEvHash: planchet.coinEvHash,
+            exchangeBaseUrl: withdrawalGroup.exchangeBaseUrl,
+            status: CoinStatus.Fresh,
+            coinSource: {
+                type: CoinSourceType.Withdraw,
+                coinIndex: coinIdx,
+                reservePub: planchet.reservePub,
+                withdrawalGroupId: withdrawalGroupId,
+            },
+            suspended: false,
+        };
+        const planchetCoinPub = planchet.coinPub;
+        const firstSuccess = yield ws.db.runWithWriteTransaction([Stores.coins, Stores.withdrawalGroups, Stores.reserves, Stores.planchets], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const ws = yield tx.get(Stores.withdrawalGroups, withdrawalGroupId);
+            if (!ws) {
+                return false;
+            }
+            const p = yield tx.get(Stores.planchets, planchetCoinPub);
+            if (!p || p.withdrawalDone) {
+                return false;
+            }
+            p.withdrawalDone = true;
+            yield tx.put(Stores.planchets, p);
+            yield tx.add(Stores.coins, coin);
+            return true;
+        }));
+        if (firstSuccess) {
+            ws.notify({
+                type: NotificationType.CoinWithdrawn,
+            });
+        }
+    });
+}
+function denomSelectionInfoToState(dsi) {
+    return {
+        selectedDenoms: dsi.selectedDenoms.map((x) => {
+            return {
+                count: x.count,
+                denomPubHash: x.denom.denomPubHash,
+            };
+        }),
+        totalCoinValue: dsi.totalCoinValue,
+        totalWithdrawCost: dsi.totalWithdrawCost,
+    };
+}
+/**
+ * Make sure that denominations that currently can be used for withdrawal
+ * are validated, and the result of validation is stored in the database.
+ */
+function updateWithdrawalDenoms(ws, exchangeBaseUrl) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const exchange = yield ws.db.get(Stores.exchanges, exchangeBaseUrl);
+        if (!exchange) {
+            logger$8.error("exchange not found");
+            throw Error(`exchange ${exchangeBaseUrl} not found`);
+        }
+        const exchangeDetails = exchange.details;
+        if (!exchangeDetails) {
+            logger$8.error("exchange details not available");
+            throw Error(`exchange ${exchangeBaseUrl} details not available`);
+        }
+        const denominations = yield getCandidateWithdrawalDenoms(ws, exchangeBaseUrl);
+        for (const denom of denominations) {
+            if (denom.status === DenominationStatus.Unverified) {
+                const valid = yield ws.cryptoApi.isValidDenom(denom, exchangeDetails.masterPublicKey);
+                if (!valid) {
+                    denom.status = DenominationStatus.VerifiedBad;
+                }
+                else {
+                    denom.status = DenominationStatus.VerifiedGood;
+                }
+                yield ws.db.put(Stores.denominations, denom);
+            }
+        }
+        // FIXME:  This debug info should either be made conditional on some flag
+        // or put into some wallet-core API.
+        logger$8.trace("updated withdrawable denominations");
+        const nextDenominations = yield getCandidateWithdrawalDenoms(ws, exchangeBaseUrl);
+        const now = getTimestampNow();
+        for (const denom of nextDenominations) {
+            const startDelay = getDurationRemaining(denom.stampStart, now);
+            const lastPossibleWithdraw = timestampSubtractDuraction(denom.stampExpireWithdraw, { d_ms: 50 * 1000 });
+            const remaining = getDurationRemaining(lastPossibleWithdraw, now);
+            logger$8.trace(`Denom ${denom.denomPubHash} ${denom.status} revoked ${denom.isRevoked} offered ${denom.isOffered} remaining ${remaining.d_ms / 1000}sec withdrawDelay ${startDelay.d_ms / 1000}sec`);
+        }
+    });
+}
+function incrementWithdrawalRetry(ws, withdrawalGroupId, err) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield ws.db.runWithWriteTransaction([Stores.withdrawalGroups], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const wsr = yield tx.get(Stores.withdrawalGroups, withdrawalGroupId);
+            if (!wsr) {
+                return;
+            }
+            wsr.retryInfo.retryCounter++;
+            updateRetryInfoTimeout(wsr.retryInfo);
+            wsr.lastError = err;
+            yield tx.put(Stores.withdrawalGroups, wsr);
+        }));
+        if (err) {
+            ws.notify({ type: NotificationType.WithdrawOperationError, error: err });
+        }
+    });
+}
+function processWithdrawGroup(ws, withdrawalGroupId, forceNow = false) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const onOpErr = (e) => incrementWithdrawalRetry(ws, withdrawalGroupId, e);
+        yield guardOperationException(() => processWithdrawGroupImpl(ws, withdrawalGroupId, forceNow), onOpErr);
+    });
+}
+function resetWithdrawalGroupRetry(ws, withdrawalGroupId) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield ws.db.mutate(Stores.withdrawalGroups, withdrawalGroupId, (x) => {
+            if (x.retryInfo.active) {
+                x.retryInfo = initRetryInfo();
+            }
+            return x;
+        });
+    });
+}
+function processWithdrawGroupImpl(ws, withdrawalGroupId, forceNow) {
+    return __awaiter(this, void 0, void 0, function* () {
+        logger$8.trace("processing withdraw group", withdrawalGroupId);
+        if (forceNow) {
+            yield resetWithdrawalGroupRetry(ws, withdrawalGroupId);
+        }
+        const withdrawalGroup = yield ws.db.get(Stores.withdrawalGroups, withdrawalGroupId);
+        if (!withdrawalGroup) {
+            logger$8.trace("withdraw session doesn't exist");
+            return;
+        }
+        yield updateExchangeFromUrl(ws, withdrawalGroup.exchangeBaseUrl);
+        const numTotalCoins = withdrawalGroup.denomsSel.selectedDenoms
+            .map((x) => x.count)
+            .reduce((a, b) => a + b);
+        let work = [];
+        for (let i = 0; i < numTotalCoins; i++) {
+            work.push(processPlanchetGenerate(ws, withdrawalGroupId, i));
+        }
+        // Generate coins concurrently (parallelism only happens in the crypto API workers)
+        yield Promise.all(work);
+        work = [];
+        for (let coinIdx = 0; coinIdx < numTotalCoins; coinIdx++) {
+            const resp = yield processPlanchetExchangeRequest(ws, withdrawalGroupId, coinIdx);
+            if (!resp) {
+                continue;
+            }
+            work.push(processPlanchetVerifyAndStoreCoin(ws, withdrawalGroupId, coinIdx, resp));
+        }
+        yield Promise.all(work);
+        let numFinished = 0;
+        let finishedForFirstTime = false;
+        let errorsPerCoin = {};
+        yield ws.db.runWithWriteTransaction([Stores.coins, Stores.withdrawalGroups, Stores.reserves, Stores.planchets], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const wg = yield tx.get(Stores.withdrawalGroups, withdrawalGroupId);
+            if (!wg) {
+                return;
+            }
+            yield tx
+                .iterIndexed(Stores.planchets.byGroup, withdrawalGroupId)
+                .forEach((x) => {
+                if (x.withdrawalDone) {
+                    numFinished++;
+                }
+                if (x.lastError) {
+                    errorsPerCoin[x.coinIdx] = x.lastError;
+                }
+            });
+            logger$8.trace(`now withdrawn ${numFinished} of ${numTotalCoins} coins`);
+            if (wg.timestampFinish === undefined && numFinished === numTotalCoins) {
+                finishedForFirstTime = true;
+                wg.timestampFinish = getTimestampNow();
+                wg.lastError = undefined;
+                wg.retryInfo = initRetryInfo(false);
+            }
+            yield tx.put(Stores.withdrawalGroups, wg);
+        }));
+        if (numFinished != numTotalCoins) {
+            throw OperationFailedError.fromCode(TalerErrorCode.WALLET_WITHDRAWAL_GROUP_INCOMPLETE, `withdrawal did not finish (${numFinished} / ${numTotalCoins} coins withdrawn)`, {
+                errorsPerCoin,
+            });
+        }
+        if (finishedForFirstTime) {
+            ws.notify({
+                type: NotificationType.WithdrawGroupFinished,
+                reservePub: withdrawalGroup.reservePub,
+            });
+        }
+    });
+}
+function getExchangeWithdrawalInfo(ws, baseUrl, amount) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const exchangeInfo = yield updateExchangeFromUrl(ws, baseUrl);
+        const exchangeDetails = exchangeInfo.details;
+        if (!exchangeDetails) {
+            throw Error(`exchange ${exchangeInfo.baseUrl} details not available`);
+        }
+        const exchangeWireInfo = exchangeInfo.wireInfo;
+        if (!exchangeWireInfo) {
+            throw Error(`exchange ${exchangeInfo.baseUrl} wire details not available`);
+        }
+        yield updateWithdrawalDenoms(ws, baseUrl);
+        const denoms = yield getCandidateWithdrawalDenoms(ws, baseUrl);
+        const selectedDenoms = selectWithdrawalDenominations(amount, denoms);
+        const exchangeWireAccounts = [];
+        for (const account of exchangeWireInfo.accounts) {
+            exchangeWireAccounts.push(account.payto_uri);
+        }
+        const { isTrusted, isAudited } = yield getExchangeTrust(ws, exchangeInfo);
+        let earliestDepositExpiration = selectedDenoms.selectedDenoms[0].denom.stampExpireDeposit;
+        for (let i = 1; i < selectedDenoms.selectedDenoms.length; i++) {
+            const expireDeposit = selectedDenoms.selectedDenoms[i].denom.stampExpireDeposit;
+            if (expireDeposit.t_ms < earliestDepositExpiration.t_ms) {
+                earliestDepositExpiration = expireDeposit;
+            }
+        }
+        const possibleDenoms = yield ws.db
+            .iterIndex(Stores.denominations.exchangeBaseUrlIndex, baseUrl)
+            .filter((d) => d.isOffered);
+        const trustedAuditorPubs = [];
+        const currencyRecord = yield ws.db.get(Stores.currencies, amount.currency);
+        if (currencyRecord) {
+            trustedAuditorPubs.push(...currencyRecord.auditors.map((a) => a.auditorPub));
+        }
+        let versionMatch;
+        if (exchangeDetails.protocolVersion) {
+            versionMatch = compare(WALLET_EXCHANGE_PROTOCOL_VERSION, exchangeDetails.protocolVersion);
+            if (versionMatch &&
+                !versionMatch.compatible &&
+                versionMatch.currentCmp === -1) {
+                console.warn(`wallet's support for exchange protocol version ${WALLET_EXCHANGE_PROTOCOL_VERSION} might be outdated ` +
+                    `(exchange has ${exchangeDetails.protocolVersion}), checking for updates`);
+            }
+        }
+        let tosAccepted = false;
+        if (exchangeInfo.termsOfServiceLastEtag) {
+            if (exchangeInfo.termsOfServiceAcceptedEtag ===
+                exchangeInfo.termsOfServiceLastEtag) {
+                tosAccepted = true;
+            }
+        }
+        const withdrawFee = Amounts.sub(selectedDenoms.totalWithdrawCost, selectedDenoms.totalCoinValue).amount;
+        const ret = {
+            earliestDepositExpiration,
+            exchangeInfo,
+            exchangeWireAccounts,
+            exchangeVersion: exchangeDetails.protocolVersion || "unknown",
+            isAudited,
+            isTrusted,
+            numOfferedDenoms: possibleDenoms.length,
+            overhead: Amounts.sub(amount, selectedDenoms.totalWithdrawCost).amount,
+            selectedDenoms,
+            trustedAuditorPubs,
+            versionMatch,
+            walletVersion: WALLET_EXCHANGE_PROTOCOL_VERSION,
+            wireFees: exchangeWireInfo,
+            withdrawFee,
+            termsOfServiceAccepted: tosAccepted,
+        };
+        return ret;
+    });
+}
+function getWithdrawalDetailsForUri(ws, talerWithdrawUri) {
+    return __awaiter(this, void 0, void 0, function* () {
+        logger$8.trace(`getting withdrawal details for URI ${talerWithdrawUri}`);
+        const info = yield getBankWithdrawalInfo(ws, talerWithdrawUri);
+        logger$8.trace(`got bank info`);
+        if (info.suggestedExchange) {
+            // FIXME: right now the exchange gets permanently added,
+            // we might want to only temporarily add it.
+            try {
+                yield updateExchangeFromUrl(ws, info.suggestedExchange);
+            }
+            catch (e) {
+                // We still continued if it failed, as other exchanges might be available.
+                // We don't want to fail if the bank-suggested exchange is broken/offline.
+                logger$8.trace(`querying bank-suggested exchange (${info.suggestedExchange}) failed`);
+            }
+        }
+        const exchangesRes = yield ws.db
+            .iter(Stores.exchanges)
+            .map((x) => {
+            const details = x.details;
+            if (!details) {
+                return undefined;
+            }
+            if (!x.addComplete) {
+                return undefined;
+            }
+            if (!x.wireInfo) {
+                return undefined;
+            }
+            if (details.currency !== info.amount.currency) {
+                return undefined;
+            }
+            return {
+                exchangeBaseUrl: x.baseUrl,
+                currency: details.currency,
+                paytoUris: x.wireInfo.accounts.map((x) => x.payto_uri),
+            };
+        });
+        const exchanges = exchangesRes.filter((x) => !!x);
+        return {
+            amount: Amounts.stringify(info.amount),
+            defaultExchangeBaseUrl: info.suggestedExchange,
+            possibleExchanges: exchanges,
+        };
+    });
+}
+
+/*
+ This file is part of GNU Taler
+ (C) 2019 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+/**
+ * Logger.
+ */
+const logger$9 = new Logger("pay.ts");
+/**
+ * Compute the total cost of a payment to the customer.
+ *
+ * This includes the amount taken by the merchant, fees (wire/deposit) contributed
+ * by the customer, refreshing fees, fees for withdraw-after-refresh and "trimmings"
+ * of coins that are too small to spend.
+ */
+function getTotalPaymentCost(ws, pcs) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const costs = [];
+        for (let i = 0; i < pcs.coinPubs.length; i++) {
+            const coin = yield ws.db.get(Stores.coins, pcs.coinPubs[i]);
+            if (!coin) {
+                throw Error("can't calculate payment cost, coin not found");
+            }
+            const denom = yield ws.db.get(Stores.denominations, [
+                coin.exchangeBaseUrl,
+                coin.denomPubHash,
+            ]);
+            if (!denom) {
+                throw Error("can't calculate payment cost, denomination for coin not found");
+            }
+            const allDenoms = yield ws.db
+                .iterIndex(Stores.denominations.exchangeBaseUrlIndex, coin.exchangeBaseUrl)
+                .toArray();
+            const amountLeft = sub(denom.value, pcs.coinContributions[i])
+                .amount;
+            const refreshCost = getTotalRefreshCost(allDenoms, denom, amountLeft);
+            costs.push(pcs.coinContributions[i]);
+            costs.push(refreshCost);
+        }
+        return sum(costs).amount;
+    });
+}
+/**
+ * Get the amount that will be deposited on the merchant's bank
+ * account, not considering aggregation.
+ */
+function getEffectiveDepositAmount(ws, wireType, pcs) {
+    var _a;
+    return __awaiter(this, void 0, void 0, function* () {
+        const amt = [];
+        const fees = [];
+        const exchangeSet = new Set();
+        for (let i = 0; i < pcs.coinPubs.length; i++) {
+            const coin = yield ws.db.get(Stores.coins, pcs.coinPubs[i]);
+            if (!coin) {
+                throw Error("can't calculate deposit amountt, coin not found");
+            }
+            const denom = yield ws.db.get(Stores.denominations, [
+                coin.exchangeBaseUrl,
+                coin.denomPubHash,
+            ]);
+            if (!denom) {
+                throw Error("can't find denomination to calculate deposit amount");
+            }
+            amt.push(pcs.coinContributions[i]);
+            fees.push(denom.feeDeposit);
+            exchangeSet.add(coin.exchangeBaseUrl);
+        }
+        for (const exchangeUrl of exchangeSet.values()) {
+            const exchange = yield ws.db.get(Stores.exchanges, exchangeUrl);
+            if (!(exchange === null || exchange === void 0 ? void 0 : exchange.wireInfo)) {
+                continue;
+            }
+            const fee = (_a = exchange.wireInfo.feesForType[wireType].find((x) => {
+                return timestampIsBetween(getTimestampNow(), x.startStamp, x.endStamp);
+            })) === null || _a === void 0 ? void 0 : _a.wireFee;
+            if (fee) {
+                fees.push(fee);
+            }
+        }
+        return sub(sum(amt).amount, sum(fees).amount).amount;
+    });
+}
+/**
+ * Given a list of available coins, select coins to spend under the merchant's
+ * constraints.
+ *
+ * This function is only exported for the sake of unit tests.
+ */
+function selectPayCoins(acis, contractTermsAmount, customerWireFees, depositFeeLimit) {
+    if (acis.length === 0) {
+        return undefined;
+    }
+    const coinPubs = [];
+    const coinContributions = [];
+    // Sort by available amount (descending),  deposit fee (ascending) and
+    // denomPub (ascending) if deposit fee is the same
+    // (to guarantee deterministic results)
+    acis.sort((o1, o2) => -cmp(o1.availableAmount, o2.availableAmount) ||
+        cmp(o1.feeDeposit, o2.feeDeposit) ||
+        strcmp(o1.denomPub, o2.denomPub));
+    const paymentAmount = add(contractTermsAmount, customerWireFees)
+        .amount;
+    const currency = paymentAmount.currency;
+    let amountPayRemaining = paymentAmount;
+    let amountDepositFeeLimitRemaining = depositFeeLimit;
+    const customerDepositFees = getZero(currency);
+    for (const aci of acis) {
+        // Don't use this coin if depositing it is more expensive than
+        // the amount it would give the merchant.
+        if (cmp(aci.feeDeposit, aci.availableAmount) >= 0) {
+            continue;
+        }
+        if (amountPayRemaining.value === 0 && amountPayRemaining.fraction === 0) {
+            // We have spent enough!
+            break;
+        }
+        // How much does the user spend on deposit fees for this coin?
+        const depositFeeSpend = sub(aci.feeDeposit, amountDepositFeeLimitRemaining).amount;
+        if (isZero(depositFeeSpend)) {
+            // Fees are still covered by the merchant.
+            amountDepositFeeLimitRemaining = sub(amountDepositFeeLimitRemaining, aci.feeDeposit).amount;
+        }
+        else {
+            amountDepositFeeLimitRemaining = getZero(currency);
+        }
+        let coinSpend;
+        const amountActualAvailable = sub(aci.availableAmount, depositFeeSpend).amount;
+        if (cmp(amountActualAvailable, amountPayRemaining) > 0) {
+            // Partial spending, as the coin is worth more than the remaining
+            // amount to pay.
+            coinSpend = add(amountPayRemaining, depositFeeSpend).amount;
+            // Make sure we contribute at least the deposit fee, otherwise
+            // contributing this coin would cause a loss for the merchant.
+            if (cmp(coinSpend, aci.feeDeposit) < 0) {
+                coinSpend = aci.feeDeposit;
+            }
+            amountPayRemaining = getZero(currency);
+        }
+        else {
+            // Spend the full remaining amount on the coin
+            coinSpend = aci.availableAmount;
+            amountPayRemaining = add(amountPayRemaining, depositFeeSpend)
+                .amount;
+            amountPayRemaining = sub(amountPayRemaining, aci.availableAmount)
+                .amount;
+        }
+        coinPubs.push(aci.coinPub);
+        coinContributions.push(coinSpend);
+    }
+    if (isZero(amountPayRemaining)) {
+        return {
+            paymentAmount: contractTermsAmount,
+            coinContributions,
+            coinPubs,
+            customerDepositFees,
+            customerWireFees,
+        };
+    }
+    return undefined;
+}
+function isSpendableCoin(coin, denom) {
+    if (coin.suspended) {
+        return false;
+    }
+    if (coin.status !== CoinStatus.Fresh) {
+        return false;
+    }
+    if (isTimestampExpired(denom.stampExpireDeposit)) {
+        return false;
+    }
+    return true;
+}
+/**
+ * Select coins from the wallet's database that can be used
+ * to pay for the given contract.
+ *
+ * If payment is impossible, undefined is returned.
+ */
+function getCoinsForPayment(ws, req) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const remainingAmount = req.amount;
+        const exchanges = yield ws.db.iter(Stores.exchanges).toArray();
+        for (const exchange of exchanges) {
+            let isOkay = false;
+            const exchangeDetails = exchange.details;
+            if (!exchangeDetails) {
+                continue;
+            }
+            const exchangeFees = exchange.wireInfo;
+            if (!exchangeFees) {
+                continue;
+            }
+            // is the exchange explicitly allowed?
+            for (const allowedExchange of req.allowedExchanges) {
+                if (allowedExchange.exchangePub === exchangeDetails.masterPublicKey) {
+                    isOkay = true;
+                    break;
+                }
+            }
+            // is the exchange allowed because of one of its auditors?
+            if (!isOkay) {
+                for (const allowedAuditor of req.allowedAuditors) {
+                    for (const auditor of exchangeDetails.auditors) {
+                        if (auditor.auditor_pub === allowedAuditor.auditorPub) {
+                            isOkay = true;
+                            break;
+                        }
+                    }
+                    if (isOkay) {
+                        break;
+                    }
+                }
+            }
+            if (!isOkay) {
+                continue;
+            }
+            const coins = yield ws.db
+                .iterIndex(Stores.coins.exchangeBaseUrlIndex, exchange.baseUrl)
+                .toArray();
+            if (!coins || coins.length === 0) {
+                continue;
+            }
+            // Denomination of the first coin, we assume that all other
+            // coins have the same currency
+            const firstDenom = yield ws.db.get(Stores.denominations, [
+                exchange.baseUrl,
+                coins[0].denomPubHash,
+            ]);
+            if (!firstDenom) {
+                throw Error("db inconsistent");
+            }
+            const currency = firstDenom.value.currency;
+            const acis = [];
+            for (const coin of coins) {
+                const denom = yield ws.db.get(Stores.denominations, [
+                    exchange.baseUrl,
+                    coin.denomPubHash,
+                ]);
+                if (!denom) {
+                    throw Error("db inconsistent");
+                }
+                if (denom.value.currency !== currency) {
+                    logger$9.warn(`same pubkey for different currencies at exchange ${exchange.baseUrl}`);
+                    continue;
+                }
+                if (!isSpendableCoin(coin, denom)) {
+                    continue;
+                }
+                acis.push({
+                    availableAmount: coin.currentAmount,
+                    coinPub: coin.coinPub,
+                    denomPub: coin.denomPub,
+                    feeDeposit: denom.feeDeposit,
+                });
+            }
+            let wireFee;
+            for (const fee of exchangeFees.feesForType[req.wireMethod] || []) {
+                if (fee.startStamp <= req.timestamp && fee.endStamp >= req.timestamp) {
+                    wireFee = fee.wireFee;
+                    break;
+                }
+            }
+            let customerWireFee;
+            if (wireFee && req.wireFeeAmortization) {
+                const amortizedWireFee = divide(wireFee, req.wireFeeAmortization);
+                if (cmp(req.maxWireFee, amortizedWireFee) < 0) {
+                    customerWireFee = amortizedWireFee;
+                }
+                else {
+                    customerWireFee = getZero(currency);
+                }
+            }
+            else {
+                customerWireFee = getZero(currency);
+            }
+            // Try if paying using this exchange works
+            const res = selectPayCoins(acis, remainingAmount, customerWireFee, req.maxDepositFee);
+            if (res) {
+                return res;
+            }
+        }
+        return undefined;
+    });
+}
+function applyCoinSpend(ws, tx, coinSelection) {
+    return __awaiter(this, void 0, void 0, function* () {
+        for (let i = 0; i < coinSelection.coinPubs.length; i++) {
+            const coin = yield tx.get(Stores.coins, coinSelection.coinPubs[i]);
+            if (!coin) {
+                throw Error("coin allocated for payment doesn't exist anymore");
+            }
+            coin.status = CoinStatus.Dormant;
+            const remaining = sub(coin.currentAmount, coinSelection.coinContributions[i]);
+            if (remaining.saturated) {
+                throw Error("not enough remaining balance on coin for payment");
+            }
+            coin.currentAmount = remaining.amount;
+            yield tx.put(Stores.coins, coin);
+        }
+        const refreshCoinPubs = coinSelection.coinPubs.map((x) => ({
+            coinPub: x,
+        }));
+        yield createRefreshGroup(ws, tx, refreshCoinPubs, RefreshReason.Pay);
+    });
+}
+/**
+ * Record all information that is necessary to
+ * pay for a proposal in the wallet's database.
+ */
+function recordConfirmPay(ws, proposal, coinSelection, coinDepositPermissions, sessionIdOverride) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const d = proposal.download;
+        if (!d) {
+            throw Error("proposal is in invalid state");
+        }
+        let sessionId;
+        if (sessionIdOverride) {
+            sessionId = sessionIdOverride;
+        }
+        else {
+            sessionId = proposal.downloadSessionId;
+        }
+        logger$9.trace(`recording payment on ${proposal.orderId} with session ID ${sessionId}`);
+        const payCostInfo = yield getTotalPaymentCost(ws, coinSelection);
+        const t = {
+            abortStatus: AbortStatus.None,
+            download: d,
+            lastSessionId: sessionId,
+            payCoinSelection: coinSelection,
+            totalPayCost: payCostInfo,
+            coinDepositPermissions,
+            timestampAccept: getTimestampNow(),
+            timestampLastRefundStatus: undefined,
+            proposalId: proposal.proposalId,
+            lastPayError: undefined,
+            lastRefundStatusError: undefined,
+            payRetryInfo: initRetryInfo(),
+            refundStatusRetryInfo: initRetryInfo(),
+            refundQueryRequested: false,
+            timestampFirstSuccessfulPay: undefined,
+            autoRefundDeadline: undefined,
+            paymentSubmitPending: true,
+            refunds: {},
+            merchantPaySig: undefined,
+            noncePriv: proposal.noncePriv,
+            noncePub: proposal.noncePub,
+        };
+        yield ws.db.runWithWriteTransaction([
+            Stores.coins,
+            Stores.purchases,
+            Stores.proposals,
+            Stores.refreshGroups,
+            Stores.denominations,
+        ], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const p = yield tx.get(Stores.proposals, proposal.proposalId);
+            if (p) {
+                p.proposalStatus = ProposalStatus.ACCEPTED;
+                p.lastError = undefined;
+                p.retryInfo = initRetryInfo(false);
+                yield tx.put(Stores.proposals, p);
+            }
+            yield tx.put(Stores.purchases, t);
+            yield applyCoinSpend(ws, tx, coinSelection);
+        }));
+        ws.notify({
+            type: NotificationType.ProposalAccepted,
+            proposalId: proposal.proposalId,
+        });
+        return t;
+    });
+}
+function incrementProposalRetry(ws, proposalId, err) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield ws.db.runWithWriteTransaction([Stores.proposals], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const pr = yield tx.get(Stores.proposals, proposalId);
+            if (!pr) {
+                return;
+            }
+            if (!pr.retryInfo) {
+                return;
+            }
+            pr.retryInfo.retryCounter++;
+            updateRetryInfoTimeout(pr.retryInfo);
+            pr.lastError = err;
+            yield tx.put(Stores.proposals, pr);
+        }));
+        if (err) {
+            ws.notify({ type: NotificationType.ProposalOperationError, error: err });
+        }
+    });
+}
+function incrementPurchasePayRetry(ws, proposalId, err) {
+    return __awaiter(this, void 0, void 0, function* () {
+        logger$9.warn("incrementing purchase pay retry with error", err);
+        yield ws.db.runWithWriteTransaction([Stores.purchases], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const pr = yield tx.get(Stores.purchases, proposalId);
+            if (!pr) {
+                return;
+            }
+            if (!pr.payRetryInfo) {
+                return;
+            }
+            pr.payRetryInfo.retryCounter++;
+            updateRetryInfoTimeout(pr.payRetryInfo);
+            pr.lastPayError = err;
+            yield tx.put(Stores.purchases, pr);
+        }));
+        if (err) {
+            ws.notify({ type: NotificationType.PayOperationError, error: err });
+        }
+    });
+}
+function processDownloadProposal(ws, proposalId, forceNow = false) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const onOpErr = (err) => incrementProposalRetry(ws, proposalId, err);
+        yield guardOperationException(() => processDownloadProposalImpl(ws, proposalId, forceNow), onOpErr);
+    });
+}
+function resetDownloadProposalRetry(ws, proposalId) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield ws.db.mutate(Stores.proposals, proposalId, (x) => {
+            if (x.retryInfo.active) {
+                x.retryInfo = initRetryInfo();
+            }
+            return x;
+        });
+    });
+}
+function failProposalPermanently(ws, proposalId, err) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield ws.db.mutate(Stores.proposals, proposalId, (x) => {
+            x.retryInfo.active = false;
+            x.lastError = err;
+            x.proposalStatus = ProposalStatus.PERMANENTLY_FAILED;
+            return x;
+        });
+    });
+}
+function getProposalRequestTimeout(proposal) {
+    return durationMax({ d_ms: 60000 }, durationMin({ d_ms: 5000 }, getRetryDuration(proposal.retryInfo)));
+}
+function getPayRequestTimeout(purchase) {
+    return durationMul({ d_ms: 15000 }, 1 + purchase.payCoinSelection.coinPubs.length / 5);
+}
+function extractContractData(parsedContractTerms, contractTermsHash, merchantSig) {
+    var _a;
+    const amount = parseOrThrow(parsedContractTerms.amount);
+    let maxWireFee;
+    if (parsedContractTerms.max_wire_fee) {
+        maxWireFee = parseOrThrow(parsedContractTerms.max_wire_fee);
+    }
+    else {
+        maxWireFee = getZero(amount.currency);
+    }
+    return {
+        amount,
+        contractTermsHash: contractTermsHash,
+        fulfillmentUrl: (_a = parsedContractTerms.fulfillment_url) !== null && _a !== void 0 ? _a : "",
+        merchantBaseUrl: parsedContractTerms.merchant_base_url,
+        merchantPub: parsedContractTerms.merchant_pub,
+        merchantSig,
+        orderId: parsedContractTerms.order_id,
+        summary: parsedContractTerms.summary,
+        autoRefund: parsedContractTerms.auto_refund,
+        maxWireFee,
+        payDeadline: parsedContractTerms.pay_deadline,
+        refundDeadline: parsedContractTerms.refund_deadline,
+        wireFeeAmortization: parsedContractTerms.wire_fee_amortization || 1,
+        allowedAuditors: parsedContractTerms.auditors.map((x) => ({
+            auditorBaseUrl: x.url,
+            auditorPub: x.auditor_pub,
+        })),
+        allowedExchanges: parsedContractTerms.exchanges.map((x) => ({
+            exchangeBaseUrl: x.url,
+            exchangePub: x.master_pub,
+        })),
+        timestamp: parsedContractTerms.timestamp,
+        wireMethod: parsedContractTerms.wire_method,
+        wireInfoHash: parsedContractTerms.h_wire,
+        maxDepositFee: parseOrThrow(parsedContractTerms.max_fee),
+        merchant: parsedContractTerms.merchant,
+        products: parsedContractTerms.products,
+        summaryI18n: parsedContractTerms.summary_i18n,
+    };
+}
+function processDownloadProposalImpl(ws, proposalId, forceNow) {
+    return __awaiter(this, void 0, void 0, function* () {
+        if (forceNow) {
+            yield resetDownloadProposalRetry(ws, proposalId);
+        }
+        const proposal = yield ws.db.get(Stores.proposals, proposalId);
+        if (!proposal) {
+            return;
+        }
+        if (proposal.proposalStatus != ProposalStatus.DOWNLOADING) {
+            return;
+        }
+        const orderClaimUrl = new URL(`orders/${proposal.orderId}/claim`, proposal.merchantBaseUrl).href;
+        logger$9.trace("downloading contract from '" + orderClaimUrl + "'");
+        const requestBody = {
+            nonce: proposal.noncePub,
+        };
+        if (proposal.claimToken) {
+            requestBody.token = proposal.claimToken;
+        }
+        const httpResponse = yield ws.http.postJson(orderClaimUrl, requestBody, {
+            timeout: getProposalRequestTimeout(proposal),
+        });
+        const r = yield readSuccessResponseJsonOrErrorCode(httpResponse, codecForProposal());
+        if (r.isError) {
+            switch (r.talerErrorResponse.code) {
+                case TalerErrorCode.MERCHANT_POST_ORDERS_ID_CLAIM_ALREADY_CLAIMED:
+                    throw OperationFailedError.fromCode(TalerErrorCode.WALLET_ORDER_ALREADY_CLAIMED, "order already claimed (likely by other wallet)", {
+                        orderId: proposal.orderId,
+                        claimUrl: orderClaimUrl,
+                    });
+                default:
+                    throwUnexpectedRequestError(httpResponse, r.talerErrorResponse);
+            }
+        }
+        const proposalResp = r.response;
+        // The proposalResp contains the contract terms as raw JSON,
+        // as the coded to parse them doesn't necessarily round-trip.
+        // We need this raw JSON to compute the contract terms hash.
+        const contractTermsHash = yield ws.cryptoApi.hashString(canonicalJson(proposalResp.contract_terms));
+        const parsedContractTerms = codecForContractTerms().decode(proposalResp.contract_terms);
+        const sigValid = yield ws.cryptoApi.isValidContractTermsSignature(contractTermsHash, proposalResp.sig, parsedContractTerms.merchant_pub);
+        if (!sigValid) {
+            const err = makeErrorDetails(TalerErrorCode.WALLET_CONTRACT_TERMS_SIGNATURE_INVALID, "merchant's signature on contract terms is invalid", {
+                merchantPub: parsedContractTerms.merchant_pub,
+                orderId: parsedContractTerms.order_id,
+            });
+            yield failProposalPermanently(ws, proposalId, err);
+            throw new OperationFailedAndReportedError(err);
+        }
+        const fulfillmentUrl = parsedContractTerms.fulfillment_url;
+        const baseUrlForDownload = proposal.merchantBaseUrl;
+        const baseUrlFromContractTerms = parsedContractTerms.merchant_base_url;
+        if (baseUrlForDownload !== baseUrlFromContractTerms) {
+            const err = makeErrorDetails(TalerErrorCode.WALLET_CONTRACT_TERMS_BASE_URL_MISMATCH, "merchant base URL mismatch", {
+                baseUrlForDownload,
+                baseUrlFromContractTerms,
+            });
+            yield failProposalPermanently(ws, proposalId, err);
+            throw new OperationFailedAndReportedError(err);
+        }
+        const contractData = extractContractData(parsedContractTerms, contractTermsHash, proposalResp.sig);
+        yield ws.db.runWithWriteTransaction([Stores.proposals, Stores.purchases], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const p = yield tx.get(Stores.proposals, proposalId);
+            if (!p) {
+                return;
+            }
+            if (p.proposalStatus !== ProposalStatus.DOWNLOADING) {
+                return;
+            }
+            p.download = {
+                contractData,
+                contractTermsRaw: proposalResp.contract_terms,
+            };
+            if (fulfillmentUrl &&
+                (fulfillmentUrl.startsWith("http://") ||
+                    fulfillmentUrl.startsWith("https://"))) {
+                const differentPurchase = yield tx.getIndexed(Stores.purchases.fulfillmentUrlIndex, fulfillmentUrl);
+                if (differentPurchase) {
+                    logger$9.warn("repurchase detected");
+                    p.proposalStatus = ProposalStatus.REPURCHASE;
+                    p.repurchaseProposalId = differentPurchase.proposalId;
+                    yield tx.put(Stores.proposals, p);
+                    return;
+                }
+            }
+            p.proposalStatus = ProposalStatus.PROPOSED;
+            yield tx.put(Stores.proposals, p);
+        }));
+        ws.notify({
+            type: NotificationType.ProposalDownloaded,
+            proposalId: proposal.proposalId,
+        });
+    });
+}
+/**
+ * Download a proposal and store it in the database.
+ * Returns an id for it to retrieve it later.
+ *
+ * @param sessionId Current session ID, if the proposal is being
+ *  downloaded in the context of a session ID.
+ */
+function startDownloadProposal(ws, merchantBaseUrl, orderId, sessionId, claimToken) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const oldProposal = yield ws.db.getIndexed(Stores.proposals.urlAndOrderIdIndex, [merchantBaseUrl, orderId]);
+        if (oldProposal) {
+            yield processDownloadProposal(ws, oldProposal.proposalId);
+            return oldProposal.proposalId;
+        }
+        const { priv, pub } = yield ws.cryptoApi.createEddsaKeypair();
+        const proposalId = encodeCrock(getRandomBytes(32));
+        const proposalRecord = {
+            download: undefined,
+            noncePriv: priv,
+            noncePub: pub,
+            claimToken,
+            timestamp: getTimestampNow(),
+            merchantBaseUrl,
+            orderId,
+            proposalId: proposalId,
+            proposalStatus: ProposalStatus.DOWNLOADING,
+            repurchaseProposalId: undefined,
+            retryInfo: initRetryInfo(),
+            lastError: undefined,
+            downloadSessionId: sessionId,
+        };
+        yield ws.db.runWithWriteTransaction([Stores.proposals], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const existingRecord = yield tx.getIndexed(Stores.proposals.urlAndOrderIdIndex, [merchantBaseUrl, orderId]);
+            if (existingRecord) {
+                // Created concurrently
+                return;
+            }
+            yield tx.put(Stores.proposals, proposalRecord);
+        }));
+        yield processDownloadProposal(ws, proposalId);
+        return proposalId;
+    });
+}
+function storeFirstPaySuccess(ws, proposalId, sessionId, paySig) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const now = getTimestampNow();
+        yield ws.db.runWithWriteTransaction([Stores.purchases], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const purchase = yield tx.get(Stores.purchases, proposalId);
+            if (!purchase) {
+                logger$9.warn("purchase does not exist anymore");
+                return;
+            }
+            const isFirst = purchase.timestampFirstSuccessfulPay === undefined;
+            if (!isFirst) {
+                logger$9.warn("payment success already stored");
+                return;
+            }
+            purchase.timestampFirstSuccessfulPay = now;
+            purchase.paymentSubmitPending = false;
+            purchase.lastPayError = undefined;
+            purchase.lastSessionId = sessionId;
+            purchase.payRetryInfo = initRetryInfo(false);
+            purchase.merchantPaySig = paySig;
+            if (isFirst) {
+                const ar = purchase.download.contractData.autoRefund;
+                if (ar) {
+                    logger$9.info("auto_refund present");
+                    purchase.refundQueryRequested = true;
+                    purchase.refundStatusRetryInfo = initRetryInfo();
+                    purchase.lastRefundStatusError = undefined;
+                    purchase.autoRefundDeadline = timestampAddDuration(now, ar);
+                }
+            }
+            yield tx.put(Stores.purchases, purchase);
+        }));
+    });
+}
+function storePayReplaySuccess(ws, proposalId, sessionId) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield ws.db.runWithWriteTransaction([Stores.purchases], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const purchase = yield tx.get(Stores.purchases, proposalId);
+            if (!purchase) {
+                logger$9.warn("purchase does not exist anymore");
+                return;
+            }
+            const isFirst = purchase.timestampFirstSuccessfulPay === undefined;
+            if (isFirst) {
+                throw Error("invalid payment state");
+            }
+            purchase.paymentSubmitPending = false;
+            purchase.lastPayError = undefined;
+            purchase.payRetryInfo = initRetryInfo(false);
+            purchase.lastSessionId = sessionId;
+            yield tx.put(Stores.purchases, purchase);
+        }));
+    });
+}
+/**
+ * Submit a payment to the merchant.
+ *
+ * If the wallet has previously paid, it just transmits the merchant's
+ * own signature certifying that the wallet has previously paid.
+ */
+function submitPay(ws, proposalId) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const purchase = yield ws.db.get(Stores.purchases, proposalId);
+        if (!purchase) {
+            throw Error("Purchase not found: " + proposalId);
+        }
+        if (purchase.abortStatus !== AbortStatus.None) {
+            throw Error("not submitting payment for aborted purchase");
+        }
+        const sessionId = purchase.lastSessionId;
+        logger$9.trace("paying with session ID", sessionId);
+        if (!purchase.merchantPaySig) {
+            const payUrl = new URL(`orders/${purchase.download.contractData.orderId}/pay`, purchase.download.contractData.merchantBaseUrl).href;
+            let depositPermissions;
+            if (purchase.coinDepositPermissions) {
+                depositPermissions = purchase.coinDepositPermissions;
+            }
+            else {
+                // FIXME: also cache!
+                depositPermissions = yield generateDepositPermissions(ws, purchase.payCoinSelection, purchase.download.contractData);
+            }
+            const reqBody = {
+                coins: depositPermissions,
+                session_id: purchase.lastSessionId,
+            };
+            logger$9.trace("making pay request ... ", JSON.stringify(reqBody, undefined, 2));
+            const resp = yield ws.runSequentialized([EXCHANGE_COINS_LOCK], () => ws.http.postJson(payUrl, reqBody, {
+                timeout: getPayRequestTimeout(purchase),
+            }));
+            logger$9.trace(`got resp ${JSON.stringify(resp)}`);
+            // Hide transient errors.
+            if (purchase.payRetryInfo.retryCounter <= 5 &&
+                resp.status >= 500 &&
+                resp.status <= 599) {
+                logger$9.trace("treating /pay error as transient");
+                const err = makeErrorDetails(TalerErrorCode.WALLET_UNEXPECTED_REQUEST_ERROR, "/pay failed", getHttpResponseErrorDetails(resp));
+                incrementPurchasePayRetry(ws, proposalId, undefined);
+                return {
+                    type: ConfirmPayResultType.Pending,
+                    lastError: err,
+                };
+            }
+            const merchantResp = yield readSuccessResponseJsonOrThrow(resp, codecForMerchantPayResponse());
+            logger$9.trace("got success from pay URL", merchantResp);
+            const merchantPub = purchase.download.contractData.merchantPub;
+            const valid = yield ws.cryptoApi.isValidPaymentSignature(merchantResp.sig, purchase.download.contractData.contractTermsHash, merchantPub);
+            if (!valid) {
+                logger$9.error("merchant payment signature invalid");
+                // FIXME: properly display error
+                throw Error("merchant payment signature invalid");
+            }
+            yield storeFirstPaySuccess(ws, proposalId, sessionId, merchantResp.sig);
+        }
+        else {
+            const payAgainUrl = new URL(`orders/${purchase.download.contractData.orderId}/paid`, purchase.download.contractData.merchantBaseUrl).href;
+            const reqBody = {
+                sig: purchase.merchantPaySig,
+                h_contract: purchase.download.contractData.contractTermsHash,
+                session_id: sessionId !== null && sessionId !== void 0 ? sessionId : "",
+            };
+            const resp = yield ws.runSequentialized([EXCHANGE_COINS_LOCK], () => ws.http.postJson(payAgainUrl, reqBody));
+            // Hide transient errors.
+            if (purchase.payRetryInfo.retryCounter <= 5 &&
+                resp.status >= 500 &&
+                resp.status <= 599) {
+                const err = makeErrorDetails(TalerErrorCode.WALLET_UNEXPECTED_REQUEST_ERROR, "/paid failed", getHttpResponseErrorDetails(resp));
+                incrementPurchasePayRetry(ws, proposalId, undefined);
+                return {
+                    type: ConfirmPayResultType.Pending,
+                    lastError: err,
+                };
+            }
+            if (resp.status !== 204) {
+                throw OperationFailedError.fromCode(TalerErrorCode.WALLET_UNEXPECTED_REQUEST_ERROR, "/paid failed", getHttpResponseErrorDetails(resp));
+            }
+            yield storePayReplaySuccess(ws, proposalId, sessionId);
+        }
+        ws.notify({
+            type: NotificationType.PayOperationSuccess,
+            proposalId: purchase.proposalId,
+        });
+        return {
+            type: ConfirmPayResultType.Done,
+            contractTerms: purchase.download.contractTermsRaw,
+        };
+    });
+}
+/**
+ * Check if a payment for the given taler://pay/ URI is possible.
+ *
+ * If the payment is possible, the signature are already generated but not
+ * yet send to the merchant.
+ */
+function preparePayForUri(ws, talerPayUri) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const uriResult = parsePayUri(talerPayUri);
+        if (!uriResult) {
+            throw OperationFailedError.fromCode(TalerErrorCode.WALLET_INVALID_TALER_PAY_URI, `invalid taler://pay URI (${talerPayUri})`, {
+                talerPayUri,
+            });
+        }
+        let proposalId = yield startDownloadProposal(ws, uriResult.merchantBaseUrl, uriResult.orderId, uriResult.sessionId, uriResult.claimToken);
+        let proposal = yield ws.db.get(Stores.proposals, proposalId);
+        if (!proposal) {
+            throw Error(`could not get proposal ${proposalId}`);
+        }
+        if (proposal.proposalStatus === ProposalStatus.REPURCHASE) {
+            const existingProposalId = proposal.repurchaseProposalId;
+            if (!existingProposalId) {
+                throw Error("invalid proposal state");
+            }
+            logger$9.trace("using existing purchase for same product");
+            proposal = yield ws.db.get(Stores.proposals, existingProposalId);
+            if (!proposal) {
+                throw Error("existing proposal is in wrong state");
+            }
+        }
+        const d = proposal.download;
+        if (!d) {
+            logger$9.error("bad proposal", proposal);
+            throw Error("proposal is in invalid state");
+        }
+        const contractData = d.contractData;
+        const merchantSig = d.contractData.merchantSig;
+        if (!merchantSig) {
+            throw Error("BUG: proposal is in invalid state");
+        }
+        proposalId = proposal.proposalId;
+        // First check if we already payed for it.
+        const purchase = yield ws.db.get(Stores.purchases, proposalId);
+        if (!purchase) {
+            // If not already paid, check if we could pay for it.
+            const res = yield getCoinsForPayment(ws, contractData);
+            if (!res) {
+                logger$9.info("not confirming payment, insufficient coins");
+                return {
+                    status: PreparePayResultType.InsufficientBalance,
+                    contractTerms: d.contractTermsRaw,
+                    proposalId: proposal.proposalId,
+                    amountRaw: stringify(d.contractData.amount),
+                };
+            }
+            const totalCost = yield getTotalPaymentCost(ws, res);
+            logger$9.trace("costInfo", totalCost);
+            logger$9.trace("coinsForPayment", res);
+            return {
+                status: PreparePayResultType.PaymentPossible,
+                contractTerms: d.contractTermsRaw,
+                proposalId: proposal.proposalId,
+                amountEffective: stringify(totalCost),
+                amountRaw: stringify(res.paymentAmount),
+            };
+        }
+        if (purchase.lastSessionId !== uriResult.sessionId) {
+            logger$9.trace("automatically re-submitting payment with different session ID");
+            yield ws.db.runWithWriteTransaction([Stores.purchases], (tx) => __awaiter(this, void 0, void 0, function* () {
+                const p = yield tx.get(Stores.purchases, proposalId);
+                if (!p) {
+                    return;
+                }
+                p.lastSessionId = uriResult.sessionId;
+                yield tx.put(Stores.purchases, p);
+            }));
+            const r = yield guardOperationException(() => submitPay(ws, proposalId), (e) => incrementPurchasePayRetry(ws, proposalId, e));
+            if (r.type !== ConfirmPayResultType.Done) {
+                throw Error("submitting pay failed");
+            }
+            return {
+                status: PreparePayResultType.AlreadyConfirmed,
+                contractTerms: purchase.download.contractTermsRaw,
+                contractTermsHash: purchase.download.contractData.contractTermsHash,
+                paid: true,
+                amountRaw: stringify(purchase.download.contractData.amount),
+                amountEffective: stringify(purchase.totalPayCost),
+                proposalId,
+            };
+        }
+        else if (!purchase.timestampFirstSuccessfulPay) {
+            return {
+                status: PreparePayResultType.AlreadyConfirmed,
+                contractTerms: purchase.download.contractTermsRaw,
+                contractTermsHash: purchase.download.contractData.contractTermsHash,
+                paid: false,
+                amountRaw: stringify(purchase.download.contractData.amount),
+                amountEffective: stringify(purchase.totalPayCost),
+                proposalId,
+            };
+        }
+        else {
+            const paid = !purchase.paymentSubmitPending;
+            return Object.assign(Object.assign({ status: PreparePayResultType.AlreadyConfirmed, contractTerms: purchase.download.contractTermsRaw, contractTermsHash: purchase.download.contractData.contractTermsHash, paid, amountRaw: stringify(purchase.download.contractData.amount), amountEffective: stringify(purchase.totalPayCost) }, (paid ? { nextUrl: purchase.download.contractData.orderId } : {})), { proposalId });
+        }
+    });
+}
+/**
+ * Generate deposit permissions for a purchase.
+ *
+ * Accesses the database and the crypto worker.
+ */
+function generateDepositPermissions(ws, payCoinSel, contractData) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const depositPermissions = [];
+        for (let i = 0; i < payCoinSel.coinPubs.length; i++) {
+            const coin = yield ws.db.get(Stores.coins, payCoinSel.coinPubs[i]);
+            if (!coin) {
+                throw Error("can't pay, allocated coin not found anymore");
+            }
+            const denom = yield ws.db.get(Stores.denominations, [
+                coin.exchangeBaseUrl,
+                coin.denomPubHash,
+            ]);
+            if (!denom) {
+                throw Error("can't pay, denomination of allocated coin not found anymore");
+            }
+            const dp = yield ws.cryptoApi.signDepositPermission({
+                coinPriv: coin.coinPriv,
+                coinPub: coin.coinPub,
+                contractTermsHash: contractData.contractTermsHash,
+                denomPubHash: coin.denomPubHash,
+                denomSig: coin.denomSig,
+                exchangeBaseUrl: coin.exchangeBaseUrl,
+                feeDeposit: denom.feeDeposit,
+                merchantPub: contractData.merchantPub,
+                refundDeadline: contractData.refundDeadline,
+                spendAmount: payCoinSel.coinContributions[i],
+                timestamp: contractData.timestamp,
+                wireInfoHash: contractData.wireInfoHash,
+            });
+            depositPermissions.push(dp);
+        }
+        return depositPermissions;
+    });
+}
+/**
+ * Add a contract to the wallet and sign coins, and send them.
+ */
+function confirmPay(ws, proposalId, sessionIdOverride) {
+    return __awaiter(this, void 0, void 0, function* () {
+        logger$9.trace(`executing confirmPay with proposalId ${proposalId} and sessionIdOverride ${sessionIdOverride}`);
+        const proposal = yield ws.db.get(Stores.proposals, proposalId);
+        if (!proposal) {
+            throw Error(`proposal with id ${proposalId} not found`);
+        }
+        const d = proposal.download;
+        if (!d) {
+            throw Error("proposal is in invalid state");
+        }
+        let purchase = yield ws.db.get(Stores.purchases, proposalId);
+        if (purchase) {
+            if (sessionIdOverride !== undefined &&
+                sessionIdOverride != purchase.lastSessionId) {
+                logger$9.trace(`changing session ID to ${sessionIdOverride}`);
+                yield ws.db.mutate(Stores.purchases, purchase.proposalId, (x) => {
+                    x.lastSessionId = sessionIdOverride;
+                    x.paymentSubmitPending = true;
+                    return x;
+                });
+            }
+            logger$9.trace("confirmPay: submitting payment for existing purchase");
+            return yield guardOperationException(() => submitPay(ws, proposalId), (e) => incrementPurchasePayRetry(ws, proposalId, e));
+        }
+        logger$9.trace("confirmPay: purchase record does not exist yet");
+        const res = yield getCoinsForPayment(ws, d.contractData);
+        logger$9.trace("coin selection result", res);
+        if (!res) {
+            // Should not happen, since checkPay should be called first
+            logger$9.warn("not confirming payment, insufficient coins");
+            throw Error("insufficient balance");
+        }
+        const depositPermissions = yield generateDepositPermissions(ws, res, d.contractData);
+        purchase = yield recordConfirmPay(ws, proposal, res, depositPermissions, sessionIdOverride);
+        return yield guardOperationException(() => submitPay(ws, proposalId), (e) => incrementPurchasePayRetry(ws, proposalId, e));
+    });
+}
+function processPurchasePay(ws, proposalId, forceNow = false) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const onOpErr = (e) => incrementPurchasePayRetry(ws, proposalId, e);
+        yield guardOperationException(() => processPurchasePayImpl(ws, proposalId, forceNow), onOpErr);
+    });
+}
+function resetPurchasePayRetry(ws, proposalId) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield ws.db.mutate(Stores.purchases, proposalId, (x) => {
+            if (x.payRetryInfo.active) {
+                x.payRetryInfo = initRetryInfo();
+            }
+            return x;
+        });
+    });
+}
+function processPurchasePayImpl(ws, proposalId, forceNow) {
+    return __awaiter(this, void 0, void 0, function* () {
+        if (forceNow) {
+            yield resetPurchasePayRetry(ws, proposalId);
+        }
+        const purchase = yield ws.db.get(Stores.purchases, proposalId);
+        if (!purchase) {
+            return;
+        }
+        if (!purchase.paymentSubmitPending) {
+            return;
+        }
+        logger$9.trace(`processing purchase pay ${proposalId}`);
+        yield submitPay(ws, proposalId);
+    });
+}
+function refuseProposal(ws, proposalId) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const success = yield ws.db.runWithWriteTransaction([Stores.proposals], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const proposal = yield tx.get(Stores.proposals, proposalId);
+            if (!proposal) {
+                logger$9.trace(`proposal ${proposalId} not found, won't refuse proposal`);
+                return false;
+            }
+            if (proposal.proposalStatus !== ProposalStatus.PROPOSED) {
+                return false;
+            }
+            proposal.proposalStatus = ProposalStatus.REFUSED;
+            yield tx.put(Stores.proposals, proposal);
+            return true;
+        }));
+        if (success) {
+            ws.notify({
+                type: NotificationType.ProposalRefused,
+            });
+        }
+    });
+}
+
+/*
+ This file is part of GNU Taler
+ (C) 2019 GNUnet e.V.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+var PendingOperationType;
+(function (PendingOperationType) {
+    PendingOperationType["Bug"] = "bug";
+    PendingOperationType["ExchangeUpdate"] = "exchange-update";
+    PendingOperationType["ExchangeCheckRefresh"] = "exchange-check-refresh";
+    PendingOperationType["Pay"] = "pay";
+    PendingOperationType["ProposalChoice"] = "proposal-choice";
+    PendingOperationType["ProposalDownload"] = "proposal-download";
+    PendingOperationType["Refresh"] = "refresh";
+    PendingOperationType["Reserve"] = "reserve";
+    PendingOperationType["Recoup"] = "recoup";
+    PendingOperationType["RefundQuery"] = "refund-query";
+    PendingOperationType["TipChoice"] = "tip-choice";
+    PendingOperationType["TipPickup"] = "tip-pickup";
+    PendingOperationType["Withdraw"] = "withdraw";
+    PendingOperationType["Deposit"] = "deposit";
+})(PendingOperationType || (PendingOperationType = {}));
+/**
+ * Current state of an exchange update operation.
+ */
+var ExchangeUpdateOperationStage;
+(function (ExchangeUpdateOperationStage) {
+    ExchangeUpdateOperationStage["FetchKeys"] = "fetch-keys";
+    ExchangeUpdateOperationStage["FetchWire"] = "fetch-wire";
+    ExchangeUpdateOperationStage["FinalizeUpdate"] = "finalize-update";
+})(ExchangeUpdateOperationStage || (ExchangeUpdateOperationStage = {}));
+var ReserveType;
+(function (ReserveType) {
+    /**
+     * Manually created.
+     */
+    ReserveType["Manual"] = "manual";
+    /**
+     * Withdrawn from a bank that has "tight" Taler integration
+     */
+    ReserveType["TalerBankWithdraw"] = "taler-bank-withdraw";
+})(ReserveType || (ReserveType = {}));
+
+/*
+ This file is part of GNU Taler
+ (C) 2019 GNUnet e.V.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+const logger$a = new Logger("withdraw.ts");
+/**
+ * Get balance information.
+ */
+function getBalancesInsideTransaction(ws, tx) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const balanceStore = {};
+        /**
+         * Add amount to a balance field, both for
+         * the slicing by exchange and currency.
+         */
+        const initBalance = (currency) => {
+            const b = balanceStore[currency];
+            if (!b) {
+                balanceStore[currency] = {
+                    available: getZero(currency),
+                    pendingIncoming: getZero(currency),
+                    pendingOutgoing: getZero(currency),
+                };
+            }
+            return balanceStore[currency];
+        };
+        // Initialize balance to zero, even if we didn't start withdrawing yet.
+        yield tx.iter(Stores.reserves).forEach((r) => {
+            const b = initBalance(r.currency);
+            if (!r.initialWithdrawalStarted) {
+                b.pendingIncoming = add(b.pendingIncoming, r.initialDenomSel.totalCoinValue).amount;
+            }
+        });
+        yield tx.iter(Stores.coins).forEach((c) => {
+            // Only count fresh coins, as dormant coins will
+            // already be in a refresh session.
+            if (c.status === CoinStatus.Fresh) {
+                const b = initBalance(c.currentAmount.currency);
+                b.available = add(b.available, c.currentAmount).amount;
+            }
+        });
+        yield tx.iter(Stores.refreshGroups).forEach((r) => {
+            // Don't count finished refreshes, since the refresh already resulted
+            // in coins being added to the wallet.
+            if (r.timestampFinished) {
+                return;
+            }
+            for (let i = 0; i < r.oldCoinPubs.length; i++) {
+                const session = r.refreshSessionPerCoin[i];
+                if (session) {
+                    const b = initBalance(session.amountRefreshOutput.currency);
+                    // We are always assuming the refresh will succeed, thus we
+                    // report the output as available balance.
+                    b.available = add(b.available, session.amountRefreshOutput).amount;
+                }
+                else {
+                    const b = initBalance(r.inputPerCoin[i].currency);
+                    b.available = add(b.available, r.estimatedOutputPerCoin[i]).amount;
+                }
+            }
+        });
+        yield tx.iter(Stores.withdrawalGroups).forEach((wds) => {
+            if (wds.timestampFinish) {
+                return;
+            }
+            const b = initBalance(wds.denomsSel.totalWithdrawCost.currency);
+            b.pendingIncoming = add(b.pendingIncoming, wds.denomsSel.totalCoinValue).amount;
+        });
+        const balancesResponse = {
+            balances: [],
+        };
+        Object.keys(balanceStore)
+            .sort()
+            .forEach((c) => {
+            const v = balanceStore[c];
+            balancesResponse.balances.push({
+                available: stringify(v.available),
+                pendingIncoming: stringify(v.pendingIncoming),
+                pendingOutgoing: stringify(v.pendingOutgoing),
+                hasPendingTransactions: false,
+                requiresUserInput: false,
+            });
+        });
+        return balancesResponse;
+    });
+}
+/**
+ * Get detailed balance information, sliced by exchange and by currency.
+ */
+function getBalances(ws) {
+    return __awaiter(this, void 0, void 0, function* () {
+        logger$a.trace("starting to compute balance");
+        const wbal = yield ws.db.runWithReadTransaction([
+            Stores.coins,
+            Stores.refreshGroups,
+            Stores.reserves,
+            Stores.purchases,
+            Stores.withdrawalGroups,
+        ], (tx) => __awaiter(this, void 0, void 0, function* () {
+            return getBalancesInsideTransaction(ws, tx);
+        }));
+        logger$a.trace("finished computing wallet balance");
+        return wbal;
+    });
+}
+
+/*
+ This file is part of GNU Taler
+ (C) 2019 GNUnet e.V.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+function updateRetryDelay(oldDelay, now, retryTimestamp) {
+    const remaining = getDurationRemaining(retryTimestamp, now);
+    const nextDelay = durationMin(oldDelay, remaining);
+    return nextDelay;
+}
+function gatherExchangePending(tx, now, resp, onlyDue = false) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield tx.iter(Stores.exchanges).forEach((e) => {
+            switch (e.updateStatus) {
+                case ExchangeUpdateStatus.Finished:
+                    if (e.lastError) {
+                        resp.pendingOperations.push({
+                            type: PendingOperationType.Bug,
+                            givesLifeness: false,
+                            message: "Exchange record is in FINISHED state but has lastError set",
+                            details: {
+                                exchangeBaseUrl: e.baseUrl,
+                            },
+                        });
+                    }
+                    if (!e.details) {
+                        resp.pendingOperations.push({
+                            type: PendingOperationType.Bug,
+                            givesLifeness: false,
+                            message: "Exchange record does not have details, but no update finished.",
+                            details: {
+                                exchangeBaseUrl: e.baseUrl,
+                            },
+                        });
+                    }
+                    if (!e.wireInfo) {
+                        resp.pendingOperations.push({
+                            type: PendingOperationType.Bug,
+                            givesLifeness: false,
+                            message: "Exchange record does not have wire info, but no update finished.",
+                            details: {
+                                exchangeBaseUrl: e.baseUrl,
+                            },
+                        });
+                    }
+                    const keysUpdateRequired = e.details && e.details.nextUpdateTime.t_ms < now.t_ms;
+                    if (keysUpdateRequired) {
+                        resp.pendingOperations.push({
+                            type: PendingOperationType.ExchangeUpdate,
+                            givesLifeness: false,
+                            stage: ExchangeUpdateOperationStage.FetchKeys,
+                            exchangeBaseUrl: e.baseUrl,
+                            lastError: e.lastError,
+                            reason: "scheduled",
+                        });
+                    }
+                    if (e.details &&
+                        (!e.nextRefreshCheck || e.nextRefreshCheck.t_ms < now.t_ms)) {
+                        resp.pendingOperations.push({
+                            type: PendingOperationType.ExchangeCheckRefresh,
+                            exchangeBaseUrl: e.baseUrl,
+                            givesLifeness: false,
+                        });
+                    }
+                    break;
+                case ExchangeUpdateStatus.FetchKeys:
+                    if (onlyDue && e.retryInfo.nextRetry.t_ms > now.t_ms) {
+                        return;
+                    }
+                    resp.pendingOperations.push({
+                        type: PendingOperationType.ExchangeUpdate,
+                        givesLifeness: false,
+                        stage: ExchangeUpdateOperationStage.FetchKeys,
+                        exchangeBaseUrl: e.baseUrl,
+                        lastError: e.lastError,
+                        reason: e.updateReason || "unknown",
+                    });
+                    break;
+                case ExchangeUpdateStatus.FetchWire:
+                    if (onlyDue && e.retryInfo.nextRetry.t_ms > now.t_ms) {
+                        return;
+                    }
+                    resp.pendingOperations.push({
+                        type: PendingOperationType.ExchangeUpdate,
+                        givesLifeness: false,
+                        stage: ExchangeUpdateOperationStage.FetchWire,
+                        exchangeBaseUrl: e.baseUrl,
+                        lastError: e.lastError,
+                        reason: e.updateReason || "unknown",
+                    });
+                    break;
+                case ExchangeUpdateStatus.FinalizeUpdate:
+                    if (onlyDue && e.retryInfo.nextRetry.t_ms > now.t_ms) {
+                        return;
+                    }
+                    resp.pendingOperations.push({
+                        type: PendingOperationType.ExchangeUpdate,
+                        givesLifeness: false,
+                        stage: ExchangeUpdateOperationStage.FinalizeUpdate,
+                        exchangeBaseUrl: e.baseUrl,
+                        lastError: e.lastError,
+                        reason: e.updateReason || "unknown",
+                    });
+                    break;
+                default:
+                    resp.pendingOperations.push({
+                        type: PendingOperationType.Bug,
+                        givesLifeness: false,
+                        message: "Unknown exchangeUpdateStatus",
+                        details: {
+                            exchangeBaseUrl: e.baseUrl,
+                            exchangeUpdateStatus: e.updateStatus,
+                        },
+                    });
+                    break;
+            }
+        });
+    });
+}
+function gatherReservePending(tx, now, resp, onlyDue = false) {
+    return __awaiter(this, void 0, void 0, function* () {
+        // FIXME: this should be optimized by using an index for "onlyDue==true".
+        yield tx.iter(Stores.reserves).forEach((reserve) => {
+            const reserveType = reserve.bankInfo
+                ? ReserveType.TalerBankWithdraw
+                : ReserveType.Manual;
+            if (!reserve.retryInfo.active) {
+                return;
+            }
+            switch (reserve.reserveStatus) {
+                case ReserveRecordStatus.DORMANT:
+                    // nothing to report as pending
+                    break;
+                case ReserveRecordStatus.WAIT_CONFIRM_BANK:
+                case ReserveRecordStatus.QUERYING_STATUS:
+                case ReserveRecordStatus.REGISTERING_BANK:
+                    resp.nextRetryDelay = updateRetryDelay(resp.nextRetryDelay, now, reserve.retryInfo.nextRetry);
+                    if (onlyDue && reserve.retryInfo.nextRetry.t_ms > now.t_ms) {
+                        return;
+                    }
+                    resp.pendingOperations.push({
+                        type: PendingOperationType.Reserve,
+                        givesLifeness: true,
+                        stage: reserve.reserveStatus,
+                        timestampCreated: reserve.timestampCreated,
+                        reserveType,
+                        reservePub: reserve.reservePub,
+                        retryInfo: reserve.retryInfo,
+                    });
+                    break;
+                default:
+                    resp.pendingOperations.push({
+                        type: PendingOperationType.Bug,
+                        givesLifeness: false,
+                        message: "Unknown reserve record status",
+                        details: {
+                            reservePub: reserve.reservePub,
+                            reserveStatus: reserve.reserveStatus,
+                        },
+                    });
+                    break;
+            }
+        });
+    });
+}
+function gatherRefreshPending(tx, now, resp, onlyDue = false) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield tx.iter(Stores.refreshGroups).forEach((r) => {
+            if (r.timestampFinished) {
+                return;
+            }
+            resp.nextRetryDelay = updateRetryDelay(resp.nextRetryDelay, now, r.retryInfo.nextRetry);
+            if (onlyDue && r.retryInfo.nextRetry.t_ms > now.t_ms) {
+                return;
+            }
+            resp.pendingOperations.push({
+                type: PendingOperationType.Refresh,
+                givesLifeness: true,
+                refreshGroupId: r.refreshGroupId,
+                finishedPerCoin: r.finishedPerCoin,
+                retryInfo: r.retryInfo,
+            });
+        });
+    });
+}
+function gatherWithdrawalPending(tx, now, resp, onlyDue = false) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield tx.iter(Stores.withdrawalGroups).forEachAsync((wsr) => __awaiter(this, void 0, void 0, function* () {
+            if (wsr.timestampFinish) {
+                return;
+            }
+            resp.nextRetryDelay = updateRetryDelay(resp.nextRetryDelay, now, wsr.retryInfo.nextRetry);
+            if (onlyDue && wsr.retryInfo.nextRetry.t_ms > now.t_ms) {
+                return;
+            }
+            let numCoinsWithdrawn = 0;
+            let numCoinsTotal = 0;
+            yield tx
+                .iterIndexed(Stores.planchets.byGroup, wsr.withdrawalGroupId)
+                .forEach((x) => {
+                numCoinsTotal++;
+                if (x.withdrawalDone) {
+                    numCoinsWithdrawn++;
+                }
+            });
+            resp.pendingOperations.push({
+                type: PendingOperationType.Withdraw,
+                givesLifeness: true,
+                numCoinsTotal,
+                numCoinsWithdrawn,
+                withdrawalGroupId: wsr.withdrawalGroupId,
+                lastError: wsr.lastError,
+                retryInfo: wsr.retryInfo,
+            });
+        }));
+    });
+}
+function gatherProposalPending(tx, now, resp, onlyDue = false) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield tx.iter(Stores.proposals).forEach((proposal) => {
+            if (proposal.proposalStatus == ProposalStatus.PROPOSED) {
+                if (onlyDue) {
+                    return;
+                }
+                const dl = proposal.download;
+                if (!dl) {
+                    resp.pendingOperations.push({
+                        type: PendingOperationType.Bug,
+                        message: "proposal is in invalid state",
+                        details: {},
+                        givesLifeness: false,
+                    });
+                }
+                else {
+                    resp.pendingOperations.push({
+                        type: PendingOperationType.ProposalChoice,
+                        givesLifeness: false,
+                        merchantBaseUrl: dl.contractData.merchantBaseUrl,
+                        proposalId: proposal.proposalId,
+                        proposalTimestamp: proposal.timestamp,
+                    });
+                }
+            }
+            else if (proposal.proposalStatus == ProposalStatus.DOWNLOADING) {
+                resp.nextRetryDelay = updateRetryDelay(resp.nextRetryDelay, now, proposal.retryInfo.nextRetry);
+                if (onlyDue && proposal.retryInfo.nextRetry.t_ms > now.t_ms) {
+                    return;
+                }
+                resp.pendingOperations.push({
+                    type: PendingOperationType.ProposalDownload,
+                    givesLifeness: true,
+                    merchantBaseUrl: proposal.merchantBaseUrl,
+                    orderId: proposal.orderId,
+                    proposalId: proposal.proposalId,
+                    proposalTimestamp: proposal.timestamp,
+                    lastError: proposal.lastError,
+                    retryInfo: proposal.retryInfo,
+                });
+            }
+        });
+    });
+}
+function gatherTipPending(tx, now, resp, onlyDue = false) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield tx.iter(Stores.tips).forEach((tip) => {
+            if (tip.pickedUpTimestamp) {
+                return;
+            }
+            resp.nextRetryDelay = updateRetryDelay(resp.nextRetryDelay, now, tip.retryInfo.nextRetry);
+            if (onlyDue && tip.retryInfo.nextRetry.t_ms > now.t_ms) {
+                return;
+            }
+            if (tip.acceptedTimestamp) {
+                resp.pendingOperations.push({
+                    type: PendingOperationType.TipPickup,
+                    givesLifeness: true,
+                    merchantBaseUrl: tip.merchantBaseUrl,
+                    tipId: tip.walletTipId,
+                    merchantTipId: tip.merchantTipId,
+                });
+            }
+        });
+    });
+}
+function gatherPurchasePending(tx, now, resp, onlyDue = false) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield tx.iter(Stores.purchases).forEach((pr) => {
+            if (pr.paymentSubmitPending && pr.abortStatus === AbortStatus.None) {
+                resp.nextRetryDelay = updateRetryDelay(resp.nextRetryDelay, now, pr.payRetryInfo.nextRetry);
+                if (!onlyDue || pr.payRetryInfo.nextRetry.t_ms <= now.t_ms) {
+                    resp.pendingOperations.push({
+                        type: PendingOperationType.Pay,
+                        givesLifeness: true,
+                        isReplay: false,
+                        proposalId: pr.proposalId,
+                        retryInfo: pr.payRetryInfo,
+                        lastError: pr.lastPayError,
+                    });
+                }
+            }
+            if (pr.refundQueryRequested) {
+                resp.nextRetryDelay = updateRetryDelay(resp.nextRetryDelay, now, pr.refundStatusRetryInfo.nextRetry);
+                if (!onlyDue || pr.refundStatusRetryInfo.nextRetry.t_ms <= now.t_ms) {
+                    resp.pendingOperations.push({
+                        type: PendingOperationType.RefundQuery,
+                        givesLifeness: true,
+                        proposalId: pr.proposalId,
+                        retryInfo: pr.refundStatusRetryInfo,
+                        lastError: pr.lastRefundStatusError,
+                    });
+                }
+            }
+        });
+    });
+}
+function gatherRecoupPending(tx, now, resp, onlyDue = false) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield tx.iter(Stores.recoupGroups).forEach((rg) => {
+            if (rg.timestampFinished) {
+                return;
+            }
+            resp.nextRetryDelay = updateRetryDelay(resp.nextRetryDelay, now, rg.retryInfo.nextRetry);
+            if (onlyDue && rg.retryInfo.nextRetry.t_ms > now.t_ms) {
+                return;
+            }
+            resp.pendingOperations.push({
+                type: PendingOperationType.Recoup,
+                givesLifeness: true,
+                recoupGroupId: rg.recoupGroupId,
+                retryInfo: rg.retryInfo,
+                lastError: rg.lastError,
+            });
+        });
+    });
+}
+function gatherDepositPending(tx, now, resp, onlyDue = false) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield tx.iter(Stores.depositGroups).forEach((dg) => {
+            if (dg.timestampFinished) {
+                return;
+            }
+            resp.nextRetryDelay = updateRetryDelay(resp.nextRetryDelay, now, dg.retryInfo.nextRetry);
+            if (onlyDue && dg.retryInfo.nextRetry.t_ms > now.t_ms) {
+                return;
+            }
+            resp.pendingOperations.push({
+                type: PendingOperationType.Deposit,
+                givesLifeness: true,
+                depositGroupId: dg.depositGroupId,
+                retryInfo: dg.retryInfo,
+                lastError: dg.lastError,
+            });
+        });
+    });
+}
+function getPendingOperations(ws, { onlyDue = false } = {}) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const now = getTimestampNow();
+        return yield ws.db.runWithReadTransaction([
+            Stores.exchanges,
+            Stores.reserves,
+            Stores.refreshGroups,
+            Stores.coins,
+            Stores.withdrawalGroups,
+            Stores.proposals,
+            Stores.tips,
+            Stores.purchases,
+            Stores.recoupGroups,
+            Stores.planchets,
+            Stores.depositGroups,
+        ], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const walletBalance = yield getBalancesInsideTransaction(ws, tx);
+            const resp = {
+                nextRetryDelay: { d_ms: Number.MAX_SAFE_INTEGER },
+                onlyDue: onlyDue,
+                walletBalance,
+                pendingOperations: [],
+            };
+            yield gatherExchangePending(tx, now, resp, onlyDue);
+            yield gatherReservePending(tx, now, resp, onlyDue);
+            yield gatherRefreshPending(tx, now, resp, onlyDue);
+            yield gatherWithdrawalPending(tx, now, resp, onlyDue);
+            yield gatherProposalPending(tx, now, resp, onlyDue);
+            yield gatherTipPending(tx, now, resp, onlyDue);
+            yield gatherPurchasePending(tx, now, resp, onlyDue);
+            yield gatherRecoupPending(tx, now, resp, onlyDue);
+            yield gatherDepositPending(tx, now, resp, onlyDue);
+            return resp;
+        }));
+    });
+}
+
+/*
+ This file is part of GNU Taler
+ (C) 2019 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+const logger$b = new Logger("operations/tip.ts");
+function prepareTip(ws, talerTipUri) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const res = parseTipUri(talerTipUri);
+        if (!res) {
+            throw Error("invalid taler://tip URI");
+        }
+        let tipRecord = yield ws.db.getIndexed(Stores.tips.byMerchantTipIdAndBaseUrl, [res.merchantTipId, res.merchantBaseUrl]);
+        if (!tipRecord) {
+            const tipStatusUrl = new URL(`tips/${res.merchantTipId}`, res.merchantBaseUrl);
+            logger$b.trace("checking tip status from", tipStatusUrl.href);
+            const merchantResp = yield ws.http.get(tipStatusUrl.href);
+            const tipPickupStatus = yield readSuccessResponseJsonOrThrow(merchantResp, codecForTipPickupGetResponse());
+            logger$b.trace(`status ${j2s(tipPickupStatus)}`);
+            const amount = parseOrThrow(tipPickupStatus.tip_amount);
+            logger$b.trace("new tip, creating tip record");
+            yield updateExchangeFromUrl(ws, tipPickupStatus.exchange_url);
+            const withdrawDetails = yield getExchangeWithdrawalInfo(ws, tipPickupStatus.exchange_url, amount);
+            const walletTipId = encodeCrock(getRandomBytes(32));
+            yield updateWithdrawalDenoms(ws, tipPickupStatus.exchange_url);
+            const denoms = yield getCandidateWithdrawalDenoms(ws, tipPickupStatus.exchange_url);
+            const selectedDenoms = selectWithdrawalDenominations(amount, denoms);
+            const secretSeed = encodeCrock(getRandomBytes(64));
+            tipRecord = {
+                walletTipId: walletTipId,
+                acceptedTimestamp: undefined,
+                tipAmountRaw: amount,
+                tipExpiration: tipPickupStatus.expiration,
+                exchangeBaseUrl: tipPickupStatus.exchange_url,
+                merchantBaseUrl: res.merchantBaseUrl,
+                createdTimestamp: getTimestampNow(),
+                merchantTipId: res.merchantTipId,
+                tipAmountEffective: sub(amount, add(withdrawDetails.overhead, withdrawDetails.withdrawFee)
+                    .amount).amount,
+                retryInfo: initRetryInfo(),
+                lastError: undefined,
+                denomsSel: denomSelectionInfoToState(selectedDenoms),
+                pickedUpTimestamp: undefined,
+                secretSeed,
+            };
+            yield ws.db.put(Stores.tips, tipRecord);
+        }
+        const tipStatus = {
+            accepted: !!tipRecord && !!tipRecord.acceptedTimestamp,
+            tipAmountRaw: stringify(tipRecord.tipAmountRaw),
+            exchangeBaseUrl: tipRecord.exchangeBaseUrl,
+            merchantBaseUrl: tipRecord.merchantBaseUrl,
+            expirationTimestamp: tipRecord.tipExpiration,
+            tipAmountEffective: stringify(tipRecord.tipAmountEffective),
+            walletTipId: tipRecord.walletTipId,
+        };
+        return tipStatus;
+    });
+}
+function incrementTipRetry(ws, walletTipId, err) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield ws.db.runWithWriteTransaction([Stores.tips], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const t = yield tx.get(Stores.tips, walletTipId);
+            if (!t) {
+                return;
+            }
+            if (!t.retryInfo) {
+                return;
+            }
+            t.retryInfo.retryCounter++;
+            updateRetryInfoTimeout(t.retryInfo);
+            t.lastError = err;
+            yield tx.put(Stores.tips, t);
+        }));
+        if (err) {
+            ws.notify({ type: NotificationType.TipOperationError, error: err });
+        }
+    });
+}
+function processTip(ws, tipId, forceNow = false) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const onOpErr = (e) => incrementTipRetry(ws, tipId, e);
+        yield guardOperationException(() => processTipImpl(ws, tipId, forceNow), onOpErr);
+    });
+}
+function resetTipRetry(ws, tipId) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield ws.db.mutate(Stores.tips, tipId, (x) => {
+            if (x.retryInfo.active) {
+                x.retryInfo = initRetryInfo();
+            }
+            return x;
+        });
+    });
+}
+function processTipImpl(ws, walletTipId, forceNow) {
+    return __awaiter(this, void 0, void 0, function* () {
+        if (forceNow) {
+            yield resetTipRetry(ws, walletTipId);
+        }
+        let tipRecord = yield ws.db.get(Stores.tips, walletTipId);
+        if (!tipRecord) {
+            return;
+        }
+        if (tipRecord.pickedUpTimestamp) {
+            logger$b.warn("tip already picked up");
+            return;
+        }
+        const denomsForWithdraw = tipRecord.denomsSel;
+        tipRecord = yield ws.db.get(Stores.tips, walletTipId);
+        checkDbInvariant(!!tipRecord, "tip record should be in database");
+        const planchets = [];
+        // Planchets in the form that the merchant expects
+        const planchetsDetail = [];
+        const denomForPlanchet = [];
+        for (const dh of denomsForWithdraw.selectedDenoms) {
+            const denom = yield ws.db.get(Stores.denominations, [
+                tipRecord.exchangeBaseUrl,
+                dh.denomPubHash,
+            ]);
+            checkDbInvariant(!!denom, "denomination should be in database");
+            for (let i = 0; i < dh.count; i++) {
+                const deriveReq = {
+                    denomPub: denom.denomPub,
+                    planchetIndex: planchets.length,
+                    secretSeed: tipRecord.secretSeed,
+                };
+                logger$b.trace(`deriving tip planchet: ${j2s(deriveReq)}`);
+                const p = yield ws.cryptoApi.createTipPlanchet(deriveReq);
+                logger$b.trace(`derive result: ${j2s(p)}`);
+                denomForPlanchet[planchets.length] = denom;
+                planchets.push(p);
+                planchetsDetail.push({
+                    coin_ev: p.coinEv,
+                    denom_pub_hash: denom.denomPubHash,
+                });
+            }
+        }
+        const tipStatusUrl = new URL(`tips/${tipRecord.merchantTipId}/pickup`, tipRecord.merchantBaseUrl);
+        const req = { planchets: planchetsDetail };
+        logger$b.trace(`sending tip request: ${j2s(req)}`);
+        const merchantResp = yield ws.http.postJson(tipStatusUrl.href, req);
+        logger$b.trace(`got tip response, status ${merchantResp.status}`);
+        // Hide transient errors.
+        if (tipRecord.retryInfo.retryCounter < 5 &&
+            ((merchantResp.status >= 500 && merchantResp.status <= 599) ||
+                merchantResp.status === 424)) {
+            logger$b.trace(`got transient tip error`);
+            const err = makeErrorDetails(TalerErrorCode.WALLET_UNEXPECTED_REQUEST_ERROR, "tip pickup failed (transient)", getHttpResponseErrorDetails(merchantResp));
+            yield incrementTipRetry(ws, tipRecord.walletTipId, err);
+            // FIXME: Maybe we want to signal to the caller that the transient error happened?
+            return;
+        }
+        const response = yield readSuccessResponseJsonOrThrow(merchantResp, codecForTipResponse());
+        if (response.blind_sigs.length !== planchets.length) {
+            throw Error("number of tip responses does not match requested planchets");
+        }
+        const newCoinRecords = [];
+        for (let i = 0; i < response.blind_sigs.length; i++) {
+            const blindedSig = response.blind_sigs[i].blind_sig;
+            const denom = denomForPlanchet[i];
+            checkLogicInvariant(!!denom);
+            const planchet = planchets[i];
+            checkLogicInvariant(!!planchet);
+            const denomSig = yield ws.cryptoApi.rsaUnblind(blindedSig, planchet.blindingKey, denom.denomPub);
+            const isValid = yield ws.cryptoApi.rsaVerify(planchet.coinPub, denomSig, denom.denomPub);
+            if (!isValid) {
+                yield ws.db.runWithWriteTransaction([Stores.tips], (tx) => __awaiter(this, void 0, void 0, function* () {
+                    const tipRecord = yield tx.get(Stores.tips, walletTipId);
+                    if (!tipRecord) {
+                        return;
+                    }
+                    tipRecord.lastError = makeErrorDetails(TalerErrorCode.WALLET_TIPPING_COIN_SIGNATURE_INVALID, "invalid signature from the exchange (via merchant tip) after unblinding", {});
+                    yield tx.put(Stores.tips, tipRecord);
+                }));
+                return;
+            }
+            newCoinRecords.push({
+                blindingKey: planchet.blindingKey,
+                coinPriv: planchet.coinPriv,
+                coinPub: planchet.coinPub,
+                coinSource: {
+                    type: CoinSourceType.Tip,
+                    coinIndex: i,
+                    walletTipId: walletTipId,
+                },
+                currentAmount: denom.value,
+                denomPub: denom.denomPub,
+                denomPubHash: denom.denomPubHash,
+                denomSig: denomSig,
+                exchangeBaseUrl: tipRecord.exchangeBaseUrl,
+                status: CoinStatus.Fresh,
+                suspended: false,
+                coinEvHash: planchet.coinEvHash,
+            });
+        }
+        yield ws.db.runWithWriteTransaction([Stores.coins, Stores.tips, Stores.withdrawalGroups], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const tr = yield tx.get(Stores.tips, walletTipId);
+            if (!tr) {
+                return;
+            }
+            if (tr.pickedUpTimestamp) {
+                return;
+            }
+            tr.pickedUpTimestamp = getTimestampNow();
+            tr.lastError = undefined;
+            tr.retryInfo = initRetryInfo(false);
+            yield tx.put(Stores.tips, tr);
+            for (const cr of newCoinRecords) {
+                yield tx.put(Stores.coins, cr);
+            }
+        }));
+    });
+}
+function acceptTip(ws, tipId) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const tipRecord = yield ws.db.get(Stores.tips, tipId);
+        if (!tipRecord) {
+            logger$b.error("tip not found");
+            return;
+        }
+        tipRecord.acceptedTimestamp = getTimestampNow();
+        yield ws.db.put(Stores.tips, tipRecord);
+        yield processTip(ws, tipId);
+        return;
+    });
+}
+
+/*
+ This file is part of GNU Taler
+ (C) 2019-2019 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+const logger$c = new Logger("refund.ts");
+/**
+ * Retry querying and applying refunds for an order later.
+ */
+function incrementPurchaseQueryRefundRetry(ws, proposalId, err) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield ws.db.runWithWriteTransaction([Stores.purchases], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const pr = yield tx.get(Stores.purchases, proposalId);
+            if (!pr) {
+                return;
+            }
+            if (!pr.refundStatusRetryInfo) {
+                return;
+            }
+            pr.refundStatusRetryInfo.retryCounter++;
+            updateRetryInfoTimeout(pr.refundStatusRetryInfo);
+            pr.lastRefundStatusError = err;
+            yield tx.put(Stores.purchases, pr);
+        }));
+        if (err) {
+            ws.notify({
+                type: NotificationType.RefundStatusOperationError,
+                error: err,
+            });
+        }
+    });
+}
+function getRefundKey(d) {
+    return `${d.coin_pub}-${d.rtransaction_id}`;
+}
+function applySuccessfulRefund(tx, p, refreshCoinsMap, r) {
+    return __awaiter(this, void 0, void 0, function* () {
+        // FIXME: check signature before storing it as valid!
+        const refundKey = getRefundKey(r);
+        const coin = yield tx.get(Stores.coins, r.coin_pub);
+        if (!coin) {
+            logger$c.warn("coin not found, can't apply refund");
+            return;
+        }
+        const denom = yield tx.get(Stores.denominations, [
+            coin.exchangeBaseUrl,
+            coin.denomPubHash,
+        ]);
+        if (!denom) {
+            throw Error("inconsistent database");
+        }
+        refreshCoinsMap[coin.coinPub] = { coinPub: coin.coinPub };
+        const refundAmount = Amounts.parseOrThrow(r.refund_amount);
+        const refundFee = denom.feeRefund;
+        coin.status = CoinStatus.Dormant;
+        coin.currentAmount = Amounts.add(coin.currentAmount, refundAmount).amount;
+        coin.currentAmount = Amounts.sub(coin.currentAmount, refundFee).amount;
+        logger$c.trace(`coin amount after is ${Amounts.stringify(coin.currentAmount)}`);
+        yield tx.put(Stores.coins, coin);
+        const allDenoms = yield tx
+            .iterIndexed(Stores.denominations.exchangeBaseUrlIndex, coin.exchangeBaseUrl)
+            .toArray();
+        const amountLeft = Amounts.sub(Amounts.add(coin.currentAmount, Amounts.parseOrThrow(r.refund_amount))
+            .amount, denom.feeRefund).amount;
+        const totalRefreshCostBound = getTotalRefreshCost(allDenoms, denom, amountLeft);
+        p.refunds[refundKey] = {
+            type: RefundState.Applied,
+            obtainedTime: getTimestampNow(),
+            executionTime: r.execution_time,
+            refundAmount: Amounts.parseOrThrow(r.refund_amount),
+            refundFee: denom.feeRefund,
+            totalRefreshCostBound,
+            coinPub: r.coin_pub,
+            rtransactionId: r.rtransaction_id,
+        };
+    });
+}
+function storePendingRefund(tx, p, r) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const refundKey = getRefundKey(r);
+        const coin = yield tx.get(Stores.coins, r.coin_pub);
+        if (!coin) {
+            logger$c.warn("coin not found, can't apply refund");
+            return;
+        }
+        const denom = yield tx.get(Stores.denominations, [
+            coin.exchangeBaseUrl,
+            coin.denomPubHash,
+        ]);
+        if (!denom) {
+            throw Error("inconsistent database");
+        }
+        const allDenoms = yield tx
+            .iterIndexed(Stores.denominations.exchangeBaseUrlIndex, coin.exchangeBaseUrl)
+            .toArray();
+        const amountLeft = Amounts.sub(Amounts.add(coin.currentAmount, Amounts.parseOrThrow(r.refund_amount))
+            .amount, denom.feeRefund).amount;
+        const totalRefreshCostBound = getTotalRefreshCost(allDenoms, denom, amountLeft);
+        p.refunds[refundKey] = {
+            type: RefundState.Pending,
+            obtainedTime: getTimestampNow(),
+            executionTime: r.execution_time,
+            refundAmount: Amounts.parseOrThrow(r.refund_amount),
+            refundFee: denom.feeRefund,
+            totalRefreshCostBound,
+            coinPub: r.coin_pub,
+            rtransactionId: r.rtransaction_id,
+        };
+    });
+}
+function storeFailedRefund(tx, p, refreshCoinsMap, r) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const refundKey = getRefundKey(r);
+        const coin = yield tx.get(Stores.coins, r.coin_pub);
+        if (!coin) {
+            logger$c.warn("coin not found, can't apply refund");
+            return;
+        }
+        const denom = yield tx.get(Stores.denominations, [
+            coin.exchangeBaseUrl,
+            coin.denomPubHash,
+        ]);
+        if (!denom) {
+            throw Error("inconsistent database");
+        }
+        const allDenoms = yield tx
+            .iterIndexed(Stores.denominations.exchangeBaseUrlIndex, coin.exchangeBaseUrl)
+            .toArray();
+        const amountLeft = Amounts.sub(Amounts.add(coin.currentAmount, Amounts.parseOrThrow(r.refund_amount))
+            .amount, denom.feeRefund).amount;
+        const totalRefreshCostBound = getTotalRefreshCost(allDenoms, denom, amountLeft);
+        p.refunds[refundKey] = {
+            type: RefundState.Failed,
+            obtainedTime: getTimestampNow(),
+            executionTime: r.execution_time,
+            refundAmount: Amounts.parseOrThrow(r.refund_amount),
+            refundFee: denom.feeRefund,
+            totalRefreshCostBound,
+            coinPub: r.coin_pub,
+            rtransactionId: r.rtransaction_id,
+        };
+        if (p.abortStatus === AbortStatus.AbortRefund) {
+            // Refund failed because the merchant didn't even try to deposit
+            // the coin yet, so we try to refresh.
+            if (r.exchange_code === TalerErrorCode.EXCHANGE_REFUND_DEPOSIT_NOT_FOUND) {
+                const coin = yield tx.get(Stores.coins, r.coin_pub);
+                if (!coin) {
+                    logger$c.warn("coin not found, can't apply refund");
+                    return;
+                }
+                const denom = yield tx.get(Stores.denominations, [
+                    coin.exchangeBaseUrl,
+                    coin.denomPubHash,
+                ]);
+                if (!denom) {
+                    logger$c.warn("denomination for coin missing");
+                    return;
+                }
+                let contrib;
+                for (let i = 0; i < p.payCoinSelection.coinPubs.length; i++) {
+                    if (p.payCoinSelection.coinPubs[i] === r.coin_pub) {
+                        contrib = p.payCoinSelection.coinContributions[i];
+                    }
+                }
+                if (contrib) {
+                    coin.currentAmount = Amounts.add(coin.currentAmount, contrib).amount;
+                    coin.currentAmount = Amounts.sub(coin.currentAmount, denom.feeRefund).amount;
+                }
+                refreshCoinsMap[coin.coinPub] = { coinPub: coin.coinPub };
+                yield tx.put(Stores.coins, coin);
+            }
+        }
+    });
+}
+function acceptRefunds(ws, proposalId, refunds, reason) {
+    return __awaiter(this, void 0, void 0, function* () {
+        logger$c.trace("handling refunds", refunds);
+        const now = getTimestampNow();
+        yield ws.db.runWithWriteTransaction([
+            Stores.purchases,
+            Stores.coins,
+            Stores.denominations,
+            Stores.refreshGroups,
+        ], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const p = yield tx.get(Stores.purchases, proposalId);
+            if (!p) {
+                logger$c.error("purchase not found, not adding refunds");
+                return;
+            }
+            const refreshCoinsMap = {};
+            for (const refundStatus of refunds) {
+                const refundKey = getRefundKey(refundStatus);
+                const existingRefundInfo = p.refunds[refundKey];
+                const isPermanentFailure = refundStatus.type === "failure" &&
+                    refundStatus.exchange_status >= 400 &&
+                    refundStatus.exchange_status < 500;
+                // Already failed.
+                if ((existingRefundInfo === null || existingRefundInfo === void 0 ? void 0 : existingRefundInfo.type) === RefundState.Failed) {
+                    continue;
+                }
+                // Already applied.
+                if ((existingRefundInfo === null || existingRefundInfo === void 0 ? void 0 : existingRefundInfo.type) === RefundState.Applied) {
+                    continue;
+                }
+                // Still pending.
+                if (refundStatus.type === "failure" &&
+                    !isPermanentFailure &&
+                    (existingRefundInfo === null || existingRefundInfo === void 0 ? void 0 : existingRefundInfo.type) === RefundState.Pending) {
+                    continue;
+                }
+                // Invariant: (!existingRefundInfo) || (existingRefundInfo === Pending)
+                if (refundStatus.type === "success") {
+                    yield applySuccessfulRefund(tx, p, refreshCoinsMap, refundStatus);
+                }
+                else if (isPermanentFailure) {
+                    yield storeFailedRefund(tx, p, refreshCoinsMap, refundStatus);
+                }
+                else {
+                    yield storePendingRefund(tx, p, refundStatus);
+                }
+            }
+            const refreshCoinsPubs = Object.values(refreshCoinsMap);
+            if (refreshCoinsPubs.length > 0) {
+                yield createRefreshGroup(ws, tx, refreshCoinsPubs, RefreshReason.Refund);
+            }
+            // Are we done with querying yet, or do we need to do another round
+            // after a retry delay?
+            let queryDone = true;
+            if (p.timestampFirstSuccessfulPay &&
+                p.autoRefundDeadline &&
+                p.autoRefundDeadline.t_ms > now.t_ms) {
+                queryDone = false;
+            }
+            let numPendingRefunds = 0;
+            for (const ri of Object.values(p.refunds)) {
+                switch (ri.type) {
+                    case RefundState.Pending:
+                        numPendingRefunds++;
+                        break;
+                }
+            }
+            if (numPendingRefunds > 0) {
+                queryDone = false;
+            }
+            if (queryDone) {
+                p.timestampLastRefundStatus = now;
+                p.lastRefundStatusError = undefined;
+                p.refundStatusRetryInfo = initRetryInfo(false);
+                p.refundQueryRequested = false;
+                if (p.abortStatus === AbortStatus.AbortRefund) {
+                    p.abortStatus = AbortStatus.AbortFinished;
+                }
+                logger$c.trace("refund query done");
+            }
+            else {
+                // No error, but we need to try again!
+                p.timestampLastRefundStatus = now;
+                p.refundStatusRetryInfo.retryCounter++;
+                updateRetryInfoTimeout(p.refundStatusRetryInfo);
+                p.lastRefundStatusError = undefined;
+                logger$c.trace("refund query not done");
+            }
+            yield tx.put(Stores.purchases, p);
+        }));
+        ws.notify({
+            type: NotificationType.RefundQueried,
+        });
+    });
+}
+/**
+ * Accept a refund, return the contract hash for the contract
+ * that was involved in the refund.
+ */
+function applyRefund(ws, talerRefundUri) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const parseResult = parseRefundUri(talerRefundUri);
+        logger$c.trace("applying refund", parseResult);
+        if (!parseResult) {
+            throw Error("invalid refund URI");
+        }
+        let purchase = yield ws.db.getIndexed(Stores.purchases.orderIdIndex, [
+            parseResult.merchantBaseUrl,
+            parseResult.orderId,
+        ]);
+        if (!purchase) {
+            throw Error(`no purchase for the taler://refund/ URI (${talerRefundUri}) was found`);
+        }
+        const proposalId = purchase.proposalId;
+        logger$c.info("processing purchase for refund");
+        const success = yield ws.db.runWithWriteTransaction([Stores.purchases], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const p = yield tx.get(Stores.purchases, proposalId);
+            if (!p) {
+                logger$c.error("no purchase found for refund URL");
+                return false;
+            }
+            p.refundQueryRequested = true;
+            p.lastRefundStatusError = undefined;
+            p.refundStatusRetryInfo = initRetryInfo();
+            yield tx.put(Stores.purchases, p);
+            return true;
+        }));
+        if (success) {
+            ws.notify({
+                type: NotificationType.RefundStarted,
+            });
+            yield processPurchaseQueryRefund(ws, proposalId);
+        }
+        purchase = yield ws.db.get(Stores.purchases, proposalId);
+        if (!purchase) {
+            throw Error("purchase no longer exists");
+        }
+        const p = purchase;
+        let amountRefundGranted = Amounts.getZero(purchase.download.contractData.amount.currency);
+        let amountRefundGone = Amounts.getZero(purchase.download.contractData.amount.currency);
+        let pendingAtExchange = false;
+        Object.keys(purchase.refunds).forEach((rk) => {
+            const refund = p.refunds[rk];
+            if (refund.type === RefundState.Pending) {
+                pendingAtExchange = true;
+            }
+            if (refund.type === RefundState.Applied ||
+                refund.type === RefundState.Pending) {
+                amountRefundGranted = Amounts.add(amountRefundGranted, Amounts.sub(refund.refundAmount, refund.refundFee, refund.totalRefreshCostBound).amount).amount;
+            }
+            else {
+                amountRefundGone = Amounts.add(amountRefundGone, refund.refundAmount)
+                    .amount;
+            }
+        });
+        return {
+            contractTermsHash: purchase.download.contractData.contractTermsHash,
+            proposalId: purchase.proposalId,
+            amountEffectivePaid: Amounts.stringify(purchase.totalPayCost),
+            amountRefundGone: Amounts.stringify(amountRefundGone),
+            amountRefundGranted: Amounts.stringify(amountRefundGranted),
+            pendingAtExchange,
+            info: {
+                contractTermsHash: purchase.download.contractData.contractTermsHash,
+                merchant: purchase.download.contractData.merchant,
+                orderId: purchase.download.contractData.orderId,
+                products: purchase.download.contractData.products,
+                summary: purchase.download.contractData.summary,
+                fulfillmentMessage: purchase.download.contractData.fulfillmentMessage,
+                summary_i18n: purchase.download.contractData.summaryI18n,
+                fulfillmentMessage_i18n: purchase.download.contractData.fulfillmentMessageI18n,
+            },
+        };
+    });
+}
+function processPurchaseQueryRefund(ws, proposalId, forceNow = false) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const onOpErr = (e) => incrementPurchaseQueryRefundRetry(ws, proposalId, e);
+        yield guardOperationException(() => processPurchaseQueryRefundImpl(ws, proposalId, forceNow), onOpErr);
+    });
+}
+function resetPurchaseQueryRefundRetry(ws, proposalId) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield ws.db.mutate(Stores.purchases, proposalId, (x) => {
+            if (x.refundStatusRetryInfo.active) {
+                x.refundStatusRetryInfo = initRetryInfo();
+            }
+            return x;
+        });
+    });
+}
+function processPurchaseQueryRefundImpl(ws, proposalId, forceNow) {
+    return __awaiter(this, void 0, void 0, function* () {
+        if (forceNow) {
+            yield resetPurchaseQueryRefundRetry(ws, proposalId);
+        }
+        const purchase = yield ws.db.get(Stores.purchases, proposalId);
+        if (!purchase) {
+            return;
+        }
+        if (!purchase.refundQueryRequested) {
+            return;
+        }
+        if (purchase.timestampFirstSuccessfulPay) {
+            const requestUrl = new URL(`orders/${purchase.download.contractData.orderId}/refund`, purchase.download.contractData.merchantBaseUrl);
+            logger$c.trace(`making refund request to ${requestUrl.href}`);
+            const request = yield ws.http.postJson(requestUrl.href, {
+                h_contract: purchase.download.contractData.contractTermsHash,
+            });
+            logger$c.trace("got json", JSON.stringify(yield request.json(), undefined, 2));
+            const refundResponse = yield readSuccessResponseJsonOrThrow(request, codecForMerchantOrderRefundPickupResponse());
+            yield acceptRefunds(ws, proposalId, refundResponse.refunds, RefundReason.NormalRefund);
+        }
+        else if (purchase.abortStatus === AbortStatus.AbortRefund) {
+            const requestUrl = new URL(`orders/${purchase.download.contractData.orderId}/abort`, purchase.download.contractData.merchantBaseUrl);
+            const abortingCoins = [];
+            for (let i = 0; i < purchase.payCoinSelection.coinPubs.length; i++) {
+                const coinPub = purchase.payCoinSelection.coinPubs[i];
+                const coin = yield ws.db.get(Stores.coins, coinPub);
+                checkDbInvariant(!!coin, "expected coin to be present");
+                abortingCoins.push({
+                    coin_pub: coinPub,
+                    contribution: Amounts.stringify(purchase.payCoinSelection.coinContributions[i]),
+                    exchange_url: coin.exchangeBaseUrl,
+                });
+            }
+            const abortReq = {
+                h_contract: purchase.download.contractData.contractTermsHash,
+                coins: abortingCoins,
+            };
+            logger$c.trace(`making order abort request to ${requestUrl.href}`);
+            const request = yield ws.http.postJson(requestUrl.href, abortReq);
+            const abortResp = yield readSuccessResponseJsonOrThrow(request, codecForAbortResponse());
+            const refunds = [];
+            if (abortResp.refunds.length != abortingCoins.length) {
+                // FIXME: define error code!
+                throw Error("invalid order abort response");
+            }
+            for (let i = 0; i < abortResp.refunds.length; i++) {
+                const r = abortResp.refunds[i];
+                refunds.push(Object.assign(Object.assign({}, r), { coin_pub: purchase.payCoinSelection.coinPubs[i], refund_amount: Amounts.stringify(purchase.payCoinSelection.coinContributions[i]), rtransaction_id: 0, execution_time: timestampAddDuration(purchase.download.contractData.timestamp, {
+                        d_ms: 1000,
+                    }) }));
+            }
+            yield acceptRefunds(ws, proposalId, refunds, RefundReason.AbortRefund);
+        }
+    });
+}
+function abortFailedPayWithRefund(ws, proposalId) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield ws.db.runWithWriteTransaction([Stores.purchases], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const purchase = yield tx.get(Stores.purchases, proposalId);
+            if (!purchase) {
+                throw Error("purchase not found");
+            }
+            if (purchase.timestampFirstSuccessfulPay) {
+                // No point in aborting it.  We don't even report an error.
+                logger$c.warn(`tried to abort successful payment`);
+                return;
+            }
+            if (purchase.abortStatus !== AbortStatus.None) {
+                return;
+            }
+            purchase.refundQueryRequested = true;
+            purchase.paymentSubmitPending = false;
+            purchase.abortStatus = AbortStatus.AbortRefund;
+            purchase.lastPayError = undefined;
+            purchase.payRetryInfo = initRetryInfo(false);
+            yield tx.put(Stores.purchases, purchase);
+        }));
+        processPurchaseQueryRefund(ws, proposalId, true).catch((e) => {
+            logger$c.trace(`error during refund processing after abort pay: ${e}`);
+        });
+    });
+}
+
+/*
+ This file is part of GNU Taler
+ (C) 2019 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+/**
+ * Create an event ID from the type and the primary key for the event.
+ */
+function makeEventId(type, ...args) {
+    return type + ";" + args.map((x) => encodeURIComponent(x)).join(";");
+}
+function shouldSkipCurrency(transactionsRequest, currency) {
+    if (!(transactionsRequest === null || transactionsRequest === void 0 ? void 0 : transactionsRequest.currency)) {
+        return false;
+    }
+    return transactionsRequest.currency.toLowerCase() !== currency.toLowerCase();
+}
+function shouldSkipSearch(transactionsRequest, fields) {
+    if (!(transactionsRequest === null || transactionsRequest === void 0 ? void 0 : transactionsRequest.search)) {
+        return false;
+    }
+    const needle = transactionsRequest.search.trim();
+    for (const f of fields) {
+        if (f.indexOf(needle) >= 0) {
+            return false;
+        }
+    }
+    return true;
+}
+/**
+ * Retrive the full event history for this wallet.
+ */
+function getTransactions(ws, transactionsRequest) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const transactions = [];
+        yield ws.db.runWithReadTransaction([
+            Stores.currencies,
+            Stores.coins,
+            Stores.denominations,
+            Stores.exchanges,
+            Stores.proposals,
+            Stores.purchases,
+            Stores.refreshGroups,
+            Stores.reserves,
+            Stores.tips,
+            Stores.withdrawalGroups,
+            Stores.planchets,
+            Stores.recoupGroups,
+            Stores.depositGroups,
+        ], 
+        // Report withdrawals that are currently in progress.
+        (tx) => __awaiter(this, void 0, void 0, function* () {
+            tx.iter(Stores.withdrawalGroups).forEachAsync((wsr) => __awaiter(this, void 0, void 0, function* () {
+                var _a, _b;
+                if (shouldSkipCurrency(transactionsRequest, wsr.rawWithdrawalAmount.currency)) {
+                    return;
+                }
+                if (shouldSkipSearch(transactionsRequest, [])) {
+                    return;
+                }
+                const r = yield tx.get(Stores.reserves, wsr.reservePub);
+                if (!r) {
+                    return;
+                }
+                let amountRaw = undefined;
+                if (wsr.withdrawalGroupId === r.initialWithdrawalGroupId) {
+                    amountRaw = r.instructedAmount;
+                }
+                else {
+                    amountRaw = wsr.denomsSel.totalWithdrawCost;
+                }
+                let withdrawalDetails;
+                if (r.bankInfo) {
+                    withdrawalDetails = {
+                        type: WithdrawalType.TalerBankIntegrationApi,
+                        confirmed: true,
+                        bankConfirmationUrl: r.bankInfo.confirmUrl,
+                    };
+                }
+                else {
+                    const exchange = yield tx.get(Stores.exchanges, r.exchangeBaseUrl);
+                    if (!exchange) {
+                        // FIXME: report somehow
+                        return;
+                    }
+                    withdrawalDetails = {
+                        type: WithdrawalType.ManualTransfer,
+                        exchangePaytoUris: (_b = (_a = exchange.wireInfo) === null || _a === void 0 ? void 0 : _a.accounts.map((x) => x.payto_uri)) !== null && _b !== void 0 ? _b : [],
+                    };
+                }
+                transactions.push(Object.assign({ type: TransactionType.Withdrawal, amountEffective: Amounts.stringify(wsr.denomsSel.totalCoinValue), amountRaw: Amounts.stringify(amountRaw), withdrawalDetails, exchangeBaseUrl: wsr.exchangeBaseUrl, pending: !wsr.timestampFinish, timestamp: wsr.timestampStart, transactionId: makeEventId(TransactionType.Withdrawal, wsr.withdrawalGroupId) }, (wsr.lastError ? { error: wsr.lastError } : {})));
+            }));
+            // Report pending withdrawals based on reserves that
+            // were created, but where the actual withdrawal group has
+            // not started yet.
+            tx.iter(Stores.reserves).forEachAsync((r) => __awaiter(this, void 0, void 0, function* () {
+                if (shouldSkipCurrency(transactionsRequest, r.currency)) {
+                    return;
+                }
+                if (shouldSkipSearch(transactionsRequest, [])) {
+                    return;
+                }
+                if (r.initialWithdrawalStarted) {
+                    return;
+                }
+                if (r.reserveStatus === ReserveRecordStatus.BANK_ABORTED) {
+                    return;
+                }
+                let withdrawalDetails;
+                if (r.bankInfo) {
+                    withdrawalDetails = {
+                        type: WithdrawalType.TalerBankIntegrationApi,
+                        confirmed: false,
+                        bankConfirmationUrl: r.bankInfo.confirmUrl,
+                    };
+                }
+                else {
+                    withdrawalDetails = {
+                        type: WithdrawalType.ManualTransfer,
+                        exchangePaytoUris: yield getFundingPaytoUris(tx, r.reservePub),
+                    };
+                }
+                transactions.push(Object.assign({ type: TransactionType.Withdrawal, amountRaw: Amounts.stringify(r.instructedAmount), amountEffective: Amounts.stringify(r.initialDenomSel.totalCoinValue), exchangeBaseUrl: r.exchangeBaseUrl, pending: true, timestamp: r.timestampCreated, withdrawalDetails: withdrawalDetails, transactionId: makeEventId(TransactionType.Withdrawal, r.initialWithdrawalGroupId) }, (r.lastError ? { error: r.lastError } : {})));
+            }));
+            tx.iter(Stores.depositGroups).forEachAsync((dg) => __awaiter(this, void 0, void 0, function* () {
+                const amount = Amounts.parseOrThrow(dg.contractTermsRaw.amount);
+                if (shouldSkipCurrency(transactionsRequest, amount.currency)) {
+                    return;
+                }
+                transactions.push(Object.assign({ type: TransactionType.Deposit, amountRaw: Amounts.stringify(dg.effectiveDepositAmount), amountEffective: Amounts.stringify(dg.totalPayCost), pending: !dg.timestampFinished, timestamp: dg.timestampCreated, targetPaytoUri: dg.wire.payto_uri, transactionId: makeEventId(TransactionType.Deposit, dg.depositGroupId), depositGroupId: dg.depositGroupId }, (dg.lastError ? { error: dg.lastError } : {})));
+            }));
+            tx.iter(Stores.purchases).forEachAsync((pr) => __awaiter(this, void 0, void 0, function* () {
+                var _c;
+                if (shouldSkipCurrency(transactionsRequest, pr.download.contractData.amount.currency)) {
+                    return;
+                }
+                const contractData = pr.download.contractData;
+                if (shouldSkipSearch(transactionsRequest, [contractData.summary])) {
+                    return;
+                }
+                const proposal = yield tx.get(Stores.proposals, pr.proposalId);
+                if (!proposal) {
+                    return;
+                }
+                const info = {
+                    merchant: contractData.merchant,
+                    orderId: contractData.orderId,
+                    products: contractData.products,
+                    summary: contractData.summary,
+                    summary_i18n: contractData.summaryI18n,
+                    contractTermsHash: contractData.contractTermsHash,
+                };
+                if (contractData.fulfillmentUrl !== "") {
+                    info.fulfillmentUrl = contractData.fulfillmentUrl;
+                }
+                const paymentTransactionId = makeEventId(TransactionType.Payment, pr.proposalId);
+                const err = (_c = pr.lastPayError) !== null && _c !== void 0 ? _c : pr.lastRefundStatusError;
+                transactions.push(Object.assign({ type: TransactionType.Payment, amountRaw: Amounts.stringify(contractData.amount), amountEffective: Amounts.stringify(pr.totalPayCost), status: pr.timestampFirstSuccessfulPay
+                        ? PaymentStatus.Paid
+                        : PaymentStatus.Accepted, pending: !pr.timestampFirstSuccessfulPay &&
+                        pr.abortStatus === AbortStatus.None, timestamp: pr.timestampAccept, transactionId: paymentTransactionId, proposalId: pr.proposalId, info: info }, (err ? { error: err } : {})));
+                const refundGroupKeys = new Set();
+                for (const rk of Object.keys(pr.refunds)) {
+                    const refund = pr.refunds[rk];
+                    const groupKey = `${refund.executionTime.t_ms}`;
+                    refundGroupKeys.add(groupKey);
+                }
+                refundGroupKeys.forEach((groupKey) => {
+                    const refundTransactionId = makeEventId(TransactionType.Refund, pr.proposalId, groupKey);
+                    let r0;
+                    let amountRaw = Amounts.getZero(contractData.amount.currency);
+                    let amountEffective = Amounts.getZero(contractData.amount.currency);
+                    for (const rk of Object.keys(pr.refunds)) {
+                        const refund = pr.refunds[rk];
+                        const myGroupKey = `${refund.executionTime.t_ms}`;
+                        if (myGroupKey !== groupKey) {
+                            continue;
+                        }
+                        if (!r0) {
+                            r0 = refund;
+                        }
+                        if (refund.type === RefundState.Applied) {
+                            amountRaw = Amounts.add(amountRaw, refund.refundAmount).amount;
+                            amountEffective = Amounts.add(amountEffective, Amounts.sub(refund.refundAmount, refund.refundFee, refund.totalRefreshCostBound).amount).amount;
+                        }
+                    }
+                    if (!r0) {
+                        throw Error("invariant violated");
+                    }
+                    transactions.push({
+                        type: TransactionType.Refund,
+                        info,
+                        refundedTransactionId: paymentTransactionId,
+                        transactionId: refundTransactionId,
+                        timestamp: r0.obtainedTime,
+                        amountEffective: Amounts.stringify(amountEffective),
+                        amountRaw: Amounts.stringify(amountRaw),
+                        pending: false,
+                    });
+                });
+            }));
+            tx.iter(Stores.tips).forEachAsync((tipRecord) => __awaiter(this, void 0, void 0, function* () {
+                if (shouldSkipCurrency(transactionsRequest, tipRecord.tipAmountRaw.currency)) {
+                    return;
+                }
+                if (!tipRecord.acceptedTimestamp) {
+                    return;
+                }
+                transactions.push({
+                    type: TransactionType.Tip,
+                    amountEffective: Amounts.stringify(tipRecord.tipAmountEffective),
+                    amountRaw: Amounts.stringify(tipRecord.tipAmountRaw),
+                    pending: !tipRecord.pickedUpTimestamp,
+                    timestamp: tipRecord.acceptedTimestamp,
+                    transactionId: makeEventId(TransactionType.Tip, tipRecord.walletTipId),
+                    merchantBaseUrl: tipRecord.merchantBaseUrl,
+                    error: tipRecord.lastError,
+                });
+            }));
+        }));
+        const txPending = transactions.filter((x) => x.pending);
+        const txNotPending = transactions.filter((x) => !x.pending);
+        txPending.sort((h1, h2) => timestampCmp(h1.timestamp, h2.timestamp));
+        txNotPending.sort((h1, h2) => timestampCmp(h1.timestamp, h2.timestamp));
+        return { transactions: [...txNotPending, ...txPending] };
+    });
+}
+
+/*
+ This file is part of GNU Taler
+ (C) 2020 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+const logger$d = new Logger("operations/testing.ts");
+/**
+ * Generate a random alphanumeric ID.  Does *not* use cryptographically
+ * secure randomness.
+ */
+function makeId(length) {
+    let result = "";
+    const characters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
+    for (let i = 0; i < length; i++) {
+        result += characters.charAt(Math.floor(Math.random() * characters.length));
+    }
+    return result;
+}
+/**
+ * Helper function to generate the "Authorization" HTTP header.
+ */
+function makeAuth(username, password) {
+    const auth = `${username}:${password}`;
+    const authEncoded = Buffer.from(auth).toString("base64");
+    return `Basic ${authEncoded}`;
+}
+function withdrawTestBalance(ws, amount = "TESTKUDOS:10", bankBaseUrl = "https://bank.test.taler.net/", exchangeBaseUrl = "https://exchange.test.taler.net/") {
+    return __awaiter(this, void 0, void 0, function* () {
+        const bankUser = yield registerRandomBankUser(ws.http, bankBaseUrl);
+        logger$d.trace(`Registered bank user ${JSON.stringify(bankUser)}`);
+        const wresp = yield createBankWithdrawalUri(ws.http, bankBaseUrl, bankUser, amount);
+        yield createTalerWithdrawReserve(ws, wresp.taler_withdraw_uri, exchangeBaseUrl);
+        yield confirmBankWithdrawalUri(ws.http, bankBaseUrl, bankUser, wresp.withdrawal_id);
+    });
+}
+function getMerchantAuthHeader(m) {
+    if (m.authToken) {
+        return {
+            "Authorization": `Bearer ${m.authToken}`,
+        };
+    }
+    return {};
+}
+function createBankWithdrawalUri(http, bankBaseUrl, bankUser, amount) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const reqUrl = new URL(`accounts/${bankUser.username}/withdrawals`, bankBaseUrl).href;
+        const resp = yield http.postJson(reqUrl, {
+            amount,
+        }, {
+            headers: {
+                Authorization: makeAuth(bankUser.username, bankUser.password),
+            },
+        });
+        const respJson = yield readSuccessResponseJsonOrThrow(resp, codecForAny());
+        return respJson;
+    });
+}
+function confirmBankWithdrawalUri(http, bankBaseUrl, bankUser, withdrawalId) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const reqUrl = new URL(`accounts/${bankUser.username}/withdrawals/${withdrawalId}/confirm`, bankBaseUrl).href;
+        const resp = yield http.postJson(reqUrl, {}, {
+            headers: {
+                Authorization: makeAuth(bankUser.username, bankUser.password),
+            },
+        });
+        yield readSuccessResponseJsonOrThrow(resp, codecForAny());
+        return;
+    });
+}
+function registerRandomBankUser(http, bankBaseUrl) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const reqUrl = new URL("testing/register", bankBaseUrl).href;
+        const randId = makeId(8);
+        const bankUser = {
+            username: `testuser-${randId}`,
+            password: `testpw-${randId}`,
+        };
+        const resp = yield http.postJson(reqUrl, bankUser);
+        yield checkSuccessResponseOrThrow(resp);
+        return bankUser;
+    });
+}
+function refund(http, merchantBackend, orderId, reason, refundAmount) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const reqUrl = new URL(`private/orders/${orderId}/refund`, merchantBackend.baseUrl);
+        const refundReq = {
+            order_id: orderId,
+            reason,
+            refund: refundAmount,
+        };
+        const resp = yield http.postJson(reqUrl.href, refundReq, {
+            headers: getMerchantAuthHeader(merchantBackend),
+        });
+        const r = yield readSuccessResponseJsonOrThrow(resp, codecForAny());
+        const refundUri = r.taler_refund_uri;
+        if (!refundUri) {
+            throw Error("no refund URI in response");
+        }
+        return refundUri;
+    });
+}
+function createOrder(http, merchantBackend, amount, summary, fulfillmentUrl) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const t = Math.floor(new Date().getTime() / 1000) + 15 * 60;
+        const reqUrl = new URL("private/orders", merchantBackend.baseUrl).href;
+        const orderReq = {
+            order: {
+                amount,
+                summary,
+                fulfillment_url: fulfillmentUrl,
+                refund_deadline: { t_ms: t * 1000 },
+                wire_transfer_deadline: { t_ms: t * 1000 },
+            },
+        };
+        const resp = yield http.postJson(reqUrl, orderReq, {
+            headers: getMerchantAuthHeader(merchantBackend),
+        });
+        const r = yield readSuccessResponseJsonOrThrow(resp, codecForAny());
+        const orderId = r.order_id;
+        if (!orderId) {
+            throw Error("no order id in response");
+        }
+        return { orderId };
+    });
+}
+function checkPayment(http, merchantBackend, orderId) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const reqUrl = new URL(`/private/orders/${orderId}`, merchantBackend.baseUrl);
+        reqUrl.searchParams.set("order_id", orderId);
+        const resp = yield http.get(reqUrl.href, {
+            headers: getMerchantAuthHeader(merchantBackend),
+        });
+        return readSuccessResponseJsonOrThrow(resp, codecForCheckPaymentResponse());
+    });
+}
+function makePayment(http, wallet, merchant, amount, summary) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const orderResp = yield createOrder(http, merchant, amount, summary, "taler://fulfillment-success/thx");
+        logger$d.trace("created order with orderId", orderResp.orderId);
+        let paymentStatus = yield checkPayment(http, merchant, orderResp.orderId);
+        logger$d.trace("payment status", paymentStatus);
+        const talerPayUri = paymentStatus.taler_pay_uri;
+        if (!talerPayUri) {
+            throw Error("no taler://pay/ URI in payment response");
+        }
+        const preparePayResult = yield wallet.preparePayForUri(talerPayUri);
+        logger$d.trace("prepare pay result", preparePayResult);
+        if (preparePayResult.status != "payment-possible") {
+            throw Error("payment not possible");
+        }
+        const confirmPayResult = yield wallet.confirmPay(preparePayResult.proposalId, undefined);
+        logger$d.trace("confirmPayResult", confirmPayResult);
+        paymentStatus = yield checkPayment(http, merchant, orderResp.orderId);
+        logger$d.trace("payment status after wallet payment:", paymentStatus);
+        if (paymentStatus.order_status !== "paid") {
+            throw Error("payment did not succeed");
+        }
+        return {
+            orderId: orderResp.orderId,
+        };
+    });
+}
+function runIntegrationTest(http, wallet, args) {
+    return __awaiter(this, void 0, void 0, function* () {
+        logger$d.info("running test with arguments", args);
+        const parsedSpendAmount = Amounts.parseOrThrow(args.amountToSpend);
+        const currency = parsedSpendAmount.currency;
+        logger$d.info("withdrawing test balance");
+        yield wallet.withdrawTestBalance({
+            amount: args.amountToWithdraw,
+            bankBaseUrl: args.bankBaseUrl,
+            exchangeBaseUrl: args.exchangeBaseUrl,
+        });
+        yield wallet.runUntilDone();
+        logger$d.info("done withdrawing test balance");
+        const balance = yield wallet.getBalances();
+        logger$d.trace(JSON.stringify(balance, null, 2));
+        const myMerchant = {
+            baseUrl: args.merchantBaseUrl,
+            authToken: args.merchantAuthToken,
+        };
+        yield makePayment(http, wallet, myMerchant, args.amountToSpend, "hello world");
+        // Wait until the refresh is done
+        yield wallet.runUntilDone();
+        logger$d.trace("withdrawing test balance for refund");
+        const withdrawAmountTwo = Amounts.parseOrThrow(`${currency}:18`);
+        const spendAmountTwo = Amounts.parseOrThrow(`${currency}:7`);
+        const refundAmount = Amounts.parseOrThrow(`${currency}:6`);
+        const spendAmountThree = Amounts.parseOrThrow(`${currency}:3`);
+        yield wallet.withdrawTestBalance({
+            amount: Amounts.stringify(withdrawAmountTwo),
+            bankBaseUrl: args.bankBaseUrl,
+            exchangeBaseUrl: args.exchangeBaseUrl,
+        });
+        // Wait until the withdraw is done
+        yield wallet.runUntilDone();
+        const { orderId: refundOrderId } = yield makePayment(http, wallet, myMerchant, Amounts.stringify(spendAmountTwo), "order that will be refunded");
+        const refundUri = yield refund(http, myMerchant, refundOrderId, "test refund", Amounts.stringify(refundAmount));
+        logger$d.trace("refund URI", refundUri);
+        yield wallet.applyRefund(refundUri);
+        logger$d.trace("integration test: applied refund");
+        // Wait until the refund is done
+        yield wallet.runUntilDone();
+        logger$d.trace("integration test: making payment after refund");
+        yield makePayment(http, wallet, myMerchant, Amounts.stringify(spendAmountThree), "payment after refund");
+        logger$d.trace("integration test: make payment done");
+        yield wallet.runUntilDone();
+        logger$d.trace("integration test: all done!");
+    });
+}
+function testPay(http, wallet, args) {
+    return __awaiter(this, void 0, void 0, function* () {
+        logger$d.trace("creating order");
+        const merchant = {
+            authToken: args.merchantAuthToken,
+            baseUrl: args.merchantBaseUrl,
+        };
+        const orderResp = yield createOrder(http, merchant, args.amount, args.summary, "taler://fulfillment-success/thank+you");
+        logger$d.trace("created new order with order ID", orderResp.orderId);
+        const checkPayResp = yield checkPayment(http, merchant, orderResp.orderId);
+        const talerPayUri = checkPayResp.taler_pay_uri;
+        if (!talerPayUri) {
+            console.error("fatal: no taler pay URI received from backend");
+            process.exit(1);
+            return;
+        }
+        logger$d.trace("taler pay URI:", talerPayUri);
+        const result = yield wallet.preparePayForUri(talerPayUri);
+        if (result.status !== PreparePayResultType.PaymentPossible) {
+            throw Error(`unexpected prepare pay status: ${result.status}`);
+        }
+        yield wallet.confirmPay(result.proposalId, undefined);
+    });
+}
+
+/*
+ This file is part of GNU Taler
+ (C) 2020 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+/**
+ * Types of coin sources.
+ */
+var BackupCoinSourceType;
+(function (BackupCoinSourceType) {
+    BackupCoinSourceType["Withdraw"] = "withdraw";
+    BackupCoinSourceType["Refresh"] = "refresh";
+    BackupCoinSourceType["Tip"] = "tip";
+})(BackupCoinSourceType || (BackupCoinSourceType = {}));
+/**
+ * Reasons for why a coin is being refreshed.
+ */
+var BackupRefreshReason;
+(function (BackupRefreshReason) {
+    BackupRefreshReason["Manual"] = "manual";
+    BackupRefreshReason["Pay"] = "pay";
+    BackupRefreshReason["Refund"] = "refund";
+    BackupRefreshReason["AbortPay"] = "abort-pay";
+    BackupRefreshReason["Recoup"] = "recoup";
+    BackupRefreshReason["BackupRestored"] = "backup-restored";
+    BackupRefreshReason["Scheduled"] = "scheduled";
+})(BackupRefreshReason || (BackupRefreshReason = {}));
+var BackupRefundState;
+(function (BackupRefundState) {
+    BackupRefundState["Failed"] = "failed";
+    BackupRefundState["Applied"] = "applied";
+    BackupRefundState["Pending"] = "pending";
+})(BackupRefundState || (BackupRefundState = {}));
+var BackupProposalStatus;
+(function (BackupProposalStatus) {
+    /**
+     * Proposed (and either downloaded or not,
+     * depending on whether contract terms are present),
+     * but the user needs to accept/reject it.
+     */
+    BackupProposalStatus["Proposed"] = "proposed";
+    /**
+     * The user has rejected the proposal.
+     */
+    BackupProposalStatus["Refused"] = "refused";
+    /**
+     * Downloading or processing the proposal has failed permanently.
+     *
+     * FIXME:  Should this be modeled as a "misbehavior report" instead?
+     */
+    BackupProposalStatus["PermanentlyFailed"] = "permanently-failed";
+    /**
+     * Downloaded proposal was detected as a re-purchase.
+     */
+    BackupProposalStatus["Repurchase"] = "repurchase";
+})(BackupProposalStatus || (BackupProposalStatus = {}));
+
+// DEFLATE is a complex format; to read this code, you should probably check the RFC first:
+
+// aliases for shorter compressed code (most minifers don't do this)
+var u8 = Uint8Array, u16 = Uint16Array, u32 = Uint32Array;
+// fixed length extra bits
+var fleb = new u8([0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0, /* unused */ 0, 0, /* impossible */ 0]);
+// fixed distance extra bits
+// see fleb note
+var fdeb = new u8([0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13, /* unused */ 0, 0]);
+// code length index map
+var clim = new u8([16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15]);
+// get base, reverse index map from extra bits
+var freb = function (eb, start) {
+    var b = new u16(31);
+    for (var i = 0; i < 31; ++i) {
+        b[i] = start += 1 << eb[i - 1];
+    }
+    // numbers here are at max 18 bits
+    var r = new u32(b[30]);
+    for (var i = 1; i < 30; ++i) {
+        for (var j = b[i]; j < b[i + 1]; ++j) {
+            r[j] = ((j - b[i]) << 5) | i;
+        }
+    }
+    return [b, r];
+};
+var _a = freb(fleb, 2), fl = _a[0], revfl = _a[1];
+// we can ignore the fact that the other numbers are wrong; they never happen anyway
+fl[28] = 258, revfl[258] = 28;
+var _b = freb(fdeb, 0), fd = _b[0], revfd = _b[1];
+// map of value to reverse (assuming 16 bits)
+var rev = new u16(32768);
+for (var i = 0; i < 32768; ++i) {
+    // reverse table algorithm from SO
+    var x = ((i & 0xAAAA) >>> 1) | ((i & 0x5555) << 1);
+    x = ((x & 0xCCCC) >>> 2) | ((x & 0x3333) << 2);
+    x = ((x & 0xF0F0) >>> 4) | ((x & 0x0F0F) << 4);
+    rev[i] = (((x & 0xFF00) >>> 8) | ((x & 0x00FF) << 8)) >>> 1;
+}
+// create huffman tree from u8 "map": index -> code length for code index
+// mb (max bits) must be at most 15
+// TODO: optimize/split up?
+var hMap = (function (cd, mb, r) {
+    var s = cd.length;
+    // index
+    var i = 0;
+    // u16 "map": index -> # of codes with bit length = index
+    var l = new u16(mb);
+    // length of cd must be 288 (total # of codes)
+    for (; i < s; ++i)
+        ++l[cd[i] - 1];
+    // u16 "map": index -> minimum code for bit length = index
+    var le = new u16(mb);
+    for (i = 0; i < mb; ++i) {
+        le[i] = (le[i - 1] + l[i - 1]) << 1;
+    }
+    var co;
+    if (r) {
+        // u16 "map": index -> number of actual bits, symbol for code
+        co = new u16(1 << mb);
+        // bits to remove for reverser
+        var rvb = 15 - mb;
+        for (i = 0; i < s; ++i) {
+            // ignore 0 lengths
+            if (cd[i]) {
+                // num encoding both symbol and bits read
+                var sv = (i << 4) | cd[i];
+                // free bits
+                var r_1 = mb - cd[i];
+                // start value
+                var v = le[cd[i] - 1]++ << r_1;
+                // m is end value
+                for (var m = v | ((1 << r_1) - 1); v <= m; ++v) {
+                    // every 16 bit value starting with the code yields the same result
+                    co[rev[v] >>> rvb] = sv;
+                }
+            }
+        }
+    }
+    else {
+        co = new u16(s);
+        for (i = 0; i < s; ++i)
+            co[i] = rev[le[cd[i] - 1]++] >>> (15 - cd[i]);
+    }
+    return co;
+});
+// fixed length tree
+var flt = new u8(288);
+for (var i = 0; i < 144; ++i)
+    flt[i] = 8;
+for (var i = 144; i < 256; ++i)
+    flt[i] = 9;
+for (var i = 256; i < 280; ++i)
+    flt[i] = 7;
+for (var i = 280; i < 288; ++i)
+    flt[i] = 8;
+// fixed distance tree
+var fdt = new u8(32);
+for (var i = 0; i < 32; ++i)
+    fdt[i] = 5;
+// fixed length map
+var flm = /*#__PURE__*/ hMap(flt, 9, 0), flrm = /*#__PURE__*/ hMap(flt, 9, 1);
+// fixed distance map
+var fdm = /*#__PURE__*/ hMap(fdt, 5, 0), fdrm = /*#__PURE__*/ hMap(fdt, 5, 1);
+// find max of array
+var max = function (a) {
+    var m = a[0];
+    for (var i = 1; i < a.length; ++i) {
+        if (a[i] > m)
+            m = a[i];
+    }
+    return m;
+};
+// read d, starting at bit p and mask with m
+var bits = function (d, p, m) {
+    var o = (p / 8) | 0;
+    return ((d[o] | (d[o + 1] << 8)) >>> (p & 7)) & m;
+};
+// read d, starting at bit p continuing for at least 16 bits
+var bits16 = function (d, p) {
+    var o = (p / 8) | 0;
+    return ((d[o] | (d[o + 1] << 8) | (d[o + 2] << 16)) >>> (p & 7));
+};
+// get end of byte
+var shft = function (p) { return ((p / 8) | 0) + (p & 7 && 1); };
+// typed array slice - allows garbage collector to free original reference,
+// while being more compatible than .slice
+var slc = function (v, s, e) {
+    if (s == null || s < 0)
+        s = 0;
+    if (e == null || e > v.length)
+        e = v.length;
+    // can't use .constructor in case user-supplied
+    var n = new (v instanceof u16 ? u16 : v instanceof u32 ? u32 : u8)(e - s);
+    n.set(v.subarray(s, e));
+    return n;
+};
+// expands raw DEFLATE data
+var inflt = function (dat, buf, st) {
+    // source length
+    var sl = dat.length;
+    if (!sl || (st && !st.l && sl < 5))
+        return buf || new u8(0);
+    // have to estimate size
+    var noBuf = !buf || st;
+    // no state
+    var noSt = !st || st.i;
+    if (!st)
+        st = {};
+    // Assumes roughly 33% compression ratio average
+    if (!buf)
+        buf = new u8(sl * 3);
+    // ensure buffer can fit at least l elements
+    var cbuf = function (l) {
+        var bl = buf.length;
+        // need to increase size to fit
+        if (l > bl) {
+            // Double or set to necessary, whichever is greater
+            var nbuf = new u8(Math.max(bl * 2, l));
+            nbuf.set(buf);
+            buf = nbuf;
+        }
+    };
+    //  last chunk         bitpos           bytes
+    var final = st.f || 0, pos = st.p || 0, bt = st.b || 0, lm = st.l, dm = st.d, lbt = st.m, dbt = st.n;
+    // total bits
+    var tbts = sl * 8;
+    do {
+        if (!lm) {
+            // BFINAL - this is only 1 when last chunk is next
+            st.f = final = bits(dat, pos, 1);
+            // type: 0 = no compression, 1 = fixed huffman, 2 = dynamic huffman
+            var type = bits(dat, pos + 1, 3);
+            pos += 3;
+            if (!type) {
+                // go to end of byte boundary
+                var s = shft(pos) + 4, l = dat[s - 4] | (dat[s - 3] << 8), t = s + l;
+                if (t > sl) {
+                    if (noSt)
+                        throw 'unexpected EOF';
+                    break;
+                }
+                // ensure size
+                if (noBuf)
+                    cbuf(bt + l);
+                // Copy over uncompressed data
+                buf.set(dat.subarray(s, t), bt);
+                // Get new bitpos, update byte count
+                st.b = bt += l, st.p = pos = t * 8;
+                continue;
+            }
+            else if (type == 1)
+                lm = flrm, dm = fdrm, lbt = 9, dbt = 5;
+            else if (type == 2) {
+                //  literal                            lengths
+                var hLit = bits(dat, pos, 31) + 257, hcLen = bits(dat, pos + 10, 15) + 4;
+                var tl = hLit + bits(dat, pos + 5, 31) + 1;
+                pos += 14;
+                // length+distance tree
+                var ldt = new u8(tl);
+                // code length tree
+                var clt = new u8(19);
+                for (var i = 0; i < hcLen; ++i) {
+                    // use index map to get real code
+                    clt[clim[i]] = bits(dat, pos + i * 3, 7);
+                }
+                pos += hcLen * 3;
+                // code lengths bits
+                var clb = max(clt), clbmsk = (1 << clb) - 1;
+                if (!noSt && pos + tl * (clb + 7) > tbts)
+                    break;
+                // code lengths map
+                var clm = hMap(clt, clb, 1);
+                for (var i = 0; i < tl;) {
+                    var r = clm[bits(dat, pos, clbmsk)];
+                    // bits read
+                    pos += r & 15;
+                    // symbol
+                    var s = r >>> 4;
+                    // code length to copy
+                    if (s < 16) {
+                        ldt[i++] = s;
+                    }
+                    else {
+                        //  copy   count
+                        var c = 0, n = 0;
+                        if (s == 16)
+                            n = 3 + bits(dat, pos, 3), pos += 2, c = ldt[i - 1];
+                        else if (s == 17)
+                            n = 3 + bits(dat, pos, 7), pos += 3;
+                        else if (s == 18)
+                            n = 11 + bits(dat, pos, 127), pos += 7;
+                        while (n--)
+                            ldt[i++] = c;
+                    }
+                }
+                //    length tree                 distance tree
+                var lt = ldt.subarray(0, hLit), dt = ldt.subarray(hLit);
+                // max length bits
+                lbt = max(lt);
+                // max dist bits
+                dbt = max(dt);
+                lm = hMap(lt, lbt, 1);
+                dm = hMap(dt, dbt, 1);
+            }
+            else
+                throw 'invalid block type';
+            if (pos > tbts)
+                throw 'unexpected EOF';
+        }
+        // Make sure the buffer can hold this + the largest possible addition
+        // Maximum chunk size (practically, theoretically infinite) is 2^17;
+        if (noBuf)
+            cbuf(bt + 131072);
+        var lms = (1 << lbt) - 1, dms = (1 << dbt) - 1;
+        var mxa = lbt + dbt + 18;
+        while (noSt || pos + mxa < tbts) {
+            // bits read, code
+            var c = lm[bits16(dat, pos) & lms], sym = c >>> 4;
+            pos += c & 15;
+            if (pos > tbts)
+                throw 'unexpected EOF';
+            if (!c)
+                throw 'invalid length/literal';
+            if (sym < 256)
+                buf[bt++] = sym;
+            else if (sym == 256) {
+                lm = null;
+                break;
+            }
+            else {
+                var add = sym - 254;
+                // no extra bits needed if less
+                if (sym > 264) {
+                    // index
+                    var i = sym - 257, b = fleb[i];
+                    add = bits(dat, pos, (1 << b) - 1) + fl[i];
+                    pos += b;
+                }
+                // dist
+                var d = dm[bits16(dat, pos) & dms], dsym = d >>> 4;
+                if (!d)
+                    throw 'invalid distance';
+                pos += d & 15;
+                var dt = fd[dsym];
+                if (dsym > 3) {
+                    var b = fdeb[dsym];
+                    dt += bits16(dat, pos) & ((1 << b) - 1), pos += b;
+                }
+                if (pos > tbts)
+                    throw 'unexpected EOF';
+                if (noBuf)
+                    cbuf(bt + 131072);
+                var end = bt + add;
+                for (; bt < end; bt += 4) {
+                    buf[bt] = buf[bt - dt];
+                    buf[bt + 1] = buf[bt + 1 - dt];
+                    buf[bt + 2] = buf[bt + 2 - dt];
+                    buf[bt + 3] = buf[bt + 3 - dt];
+                }
+                bt = end;
+            }
+        }
+        st.l = lm, st.p = pos, st.b = bt;
+        if (lm)
+            final = 1, st.m = lbt, st.d = dm, st.n = dbt;
+    } while (!final);
+    return bt == buf.length ? buf : slc(buf, 0, bt);
+};
+// starting at p, write the minimum number of bits that can hold v to d
+var wbits = function (d, p, v) {
+    v <<= p & 7;
+    var o = (p / 8) | 0;
+    d[o] |= v;
+    d[o + 1] |= v >>> 8;
+};
+// starting at p, write the minimum number of bits (>8) that can hold v to d
+var wbits16 = function (d, p, v) {
+    v <<= p & 7;
+    var o = (p / 8) | 0;
+    d[o] |= v;
+    d[o + 1] |= v >>> 8;
+    d[o + 2] |= v >>> 16;
+};
+// creates code lengths from a frequency table
+var hTree = function (d, mb) {
+    // Need extra info to make a tree
+    var t = [];
+    for (var i = 0; i < d.length; ++i) {
+        if (d[i])
+            t.push({ s: i, f: d[i] });
+    }
+    var s = t.length;
+    var t2 = t.slice();
+    if (!s)
+        return [et, 0];
+    if (s == 1) {
+        var v = new u8(t[0].s + 1);
+        v[t[0].s] = 1;
+        return [v, 1];
+    }
+    t.sort(function (a, b) { return a.f - b.f; });
+    // after i2 reaches last ind, will be stopped
+    // freq must be greater than largest possible number of symbols
+    t.push({ s: -1, f: 25001 });
+    var l = t[0], r = t[1], i0 = 0, i1 = 1, i2 = 2;
+    t[0] = { s: -1, f: l.f + r.f, l: l, r: r };
+    // efficient algorithm from UZIP.js
+    // i0 is lookbehind, i2 is lookahead - after processing two low-freq
+    // symbols that combined have high freq, will start processing i2 (high-freq,
+    // non-composite) symbols instead
+    // see https://reddit.com/r/photopea/comments/ikekht/uzipjs_questions/
+    while (i1 != s - 1) {
+        l = t[t[i0].f < t[i2].f ? i0++ : i2++];
+        r = t[i0 != i1 && t[i0].f < t[i2].f ? i0++ : i2++];
+        t[i1++] = { s: -1, f: l.f + r.f, l: l, r: r };
+    }
+    var maxSym = t2[0].s;
+    for (var i = 1; i < s; ++i) {
+        if (t2[i].s > maxSym)
+            maxSym = t2[i].s;
+    }
+    // code lengths
+    var tr = new u16(maxSym + 1);
+    // max bits in tree
+    var mbt = ln(t[i1 - 1], tr, 0);
+    if (mbt > mb) {
+        // more algorithms from UZIP.js
+        // TODO: find out how this code works (debt)
+        //  ind    debt
+        var i = 0, dt = 0;
+        //    left            cost
+        var lft = mbt - mb, cst = 1 << lft;
+        t2.sort(function (a, b) { return tr[b.s] - tr[a.s] || a.f - b.f; });
+        for (; i < s; ++i) {
+            var i2_1 = t2[i].s;
+            if (tr[i2_1] > mb) {
+                dt += cst - (1 << (mbt - tr[i2_1]));
+                tr[i2_1] = mb;
+            }
+            else
+                break;
+        }
+        dt >>>= lft;
+        while (dt > 0) {
+            var i2_2 = t2[i].s;
+            if (tr[i2_2] < mb)
+                dt -= 1 << (mb - tr[i2_2]++ - 1);
+            else
+                ++i;
+        }
+        for (; i >= 0 && dt; --i) {
+            var i2_3 = t2[i].s;
+            if (tr[i2_3] == mb) {
+                --tr[i2_3];
+                ++dt;
+            }
+        }
+        mbt = mb;
+    }
+    return [new u8(tr), mbt];
+};
+// get the max length and assign length codes
+var ln = function (n, l, d) {
+    return n.s == -1
+        ? Math.max(ln(n.l, l, d + 1), ln(n.r, l, d + 1))
+        : (l[n.s] = d);
+};
+// length codes generation
+var lc = function (c) {
+    var s = c.length;
+    // Note that the semicolon was intentional
+    while (s && !c[--s])
+        ;
+    var cl = new u16(++s);
+    //  ind      num         streak
+    var cli = 0, cln = c[0], cls = 1;
+    var w = function (v) { cl[cli++] = v; };
+    for (var i = 1; i <= s; ++i) {
+        if (c[i] == cln && i != s)
+            ++cls;
+        else {
+            if (!cln && cls > 2) {
+                for (; cls > 138; cls -= 138)
+                    w(32754);
+                if (cls > 2) {
+                    w(cls > 10 ? ((cls - 11) << 5) | 28690 : ((cls - 3) << 5) | 12305);
+                    cls = 0;
+                }
+            }
+            else if (cls > 3) {
+                w(cln), --cls;
+                for (; cls > 6; cls -= 6)
+                    w(8304);
+                if (cls > 2)
+                    w(((cls - 3) << 5) | 8208), cls = 0;
+            }
+            while (cls--)
+                w(cln);
+            cls = 1;
+            cln = c[i];
+        }
+    }
+    return [cl.subarray(0, cli), s];
+};
+// calculate the length of output from tree, code lengths
+var clen = function (cf, cl) {
+    var l = 0;
+    for (var i = 0; i < cl.length; ++i)
+        l += cf[i] * cl[i];
+    return l;
+};
+// writes a fixed block
+// returns the new bit pos
+var wfblk = function (out, pos, dat) {
+    // no need to write 00 as type: TypedArray defaults to 0
+    var s = dat.length;
+    var o = shft(pos + 2);
+    out[o] = s & 255;
+    out[o + 1] = s >>> 8;
+    out[o + 2] = out[o] ^ 255;
+    out[o + 3] = out[o + 1] ^ 255;
+    for (var i = 0; i < s; ++i)
+        out[o + i + 4] = dat[i];
+    return (o + 4 + s) * 8;
+};
+// writes a block
+var wblk = function (dat, out, final, syms, lf, df, eb, li, bs, bl, p) {
+    wbits(out, p++, final);
+    ++lf[256];
+    var _a = hTree(lf, 15), dlt = _a[0], mlb = _a[1];
+    var _b = hTree(df, 15), ddt = _b[0], mdb = _b[1];
+    var _c = lc(dlt), lclt = _c[0], nlc = _c[1];
+    var _d = lc(ddt), lcdt = _d[0], ndc = _d[1];
+    var lcfreq = new u16(19);
+    for (var i = 0; i < lclt.length; ++i)
+        lcfreq[lclt[i] & 31]++;
+    for (var i = 0; i < lcdt.length; ++i)
+        lcfreq[lcdt[i] & 31]++;
+    var _e = hTree(lcfreq, 7), lct = _e[0], mlcb = _e[1];
+    var nlcc = 19;
+    for (; nlcc > 4 && !lct[clim[nlcc - 1]]; --nlcc)
+        ;
+    var flen = (bl + 5) << 3;
+    var ftlen = clen(lf, flt) + clen(df, fdt) + eb;
+    var dtlen = clen(lf, dlt) + clen(df, ddt) + eb + 14 + 3 * nlcc + clen(lcfreq, lct) + (2 * lcfreq[16] + 3 * lcfreq[17] + 7 * lcfreq[18]);
+    if (flen <= ftlen && flen <= dtlen)
+        return wfblk(out, p, dat.subarray(bs, bs + bl));
+    var lm, ll, dm, dl;
+    wbits(out, p, 1 + (dtlen < ftlen)), p += 2;
+    if (dtlen < ftlen) {
+        lm = hMap(dlt, mlb, 0), ll = dlt, dm = hMap(ddt, mdb, 0), dl = ddt;
+        var llm = hMap(lct, mlcb, 0);
+        wbits(out, p, nlc - 257);
+        wbits(out, p + 5, ndc - 1);
+        wbits(out, p + 10, nlcc - 4);
+        p += 14;
+        for (var i = 0; i < nlcc; ++i)
+            wbits(out, p + 3 * i, lct[clim[i]]);
+        p += 3 * nlcc;
+        var lcts = [lclt, lcdt];
+        for (var it = 0; it < 2; ++it) {
+            var clct = lcts[it];
+            for (var i = 0; i < clct.length; ++i) {
+                var len = clct[i] & 31;
+                wbits(out, p, llm[len]), p += lct[len];
+                if (len > 15)
+                    wbits(out, p, (clct[i] >>> 5) & 127), p += clct[i] >>> 12;
+            }
+        }
+    }
+    else {
+        lm = flm, ll = flt, dm = fdm, dl = fdt;
+    }
+    for (var i = 0; i < li; ++i) {
+        if (syms[i] > 255) {
+            var len = (syms[i] >>> 18) & 31;
+            wbits16(out, p, lm[len + 257]), p += ll[len + 257];
+            if (len > 7)
+                wbits(out, p, (syms[i] >>> 23) & 31), p += fleb[len];
+            var dst = syms[i] & 31;
+            wbits16(out, p, dm[dst]), p += dl[dst];
+            if (dst > 3)
+                wbits16(out, p, (syms[i] >>> 5) & 8191), p += fdeb[dst];
+        }
+        else {
+            wbits16(out, p, lm[syms[i]]), p += ll[syms[i]];
+        }
+    }
+    wbits16(out, p, lm[256]);
+    return p + ll[256];
+};
+// deflate options (nice << 13) | chain
+var deo = /*#__PURE__*/ new u32([65540, 131080, 131088, 131104, 262176, 1048704, 1048832, 2114560, 2117632]);
+// empty
+var et = /*#__PURE__*/ new u8(0);
+// compresses data into a raw DEFLATE buffer
+var dflt = function (dat, lvl, plvl, pre, post, lst) {
+    var s = dat.length;
+    var o = new u8(pre + s + 5 * (1 + Math.ceil(s / 7000)) + post);
+    // writing to this writes to the output buffer
+    var w = o.subarray(pre, o.length - post);
+    var pos = 0;
+    if (!lvl || s < 8) {
+        for (var i = 0; i <= s; i += 65535) {
+            // end
+            var e = i + 65535;
+            if (e < s) {
+                // write full block
+                pos = wfblk(w, pos, dat.subarray(i, e));
+            }
+            else {
+                // write final block
+                w[i] = lst;
+                pos = wfblk(w, pos, dat.subarray(i, s));
+            }
+        }
+    }
+    else {
+        var opt = deo[lvl - 1];
+        var n = opt >>> 13, c = opt & 8191;
+        var msk_1 = (1 << plvl) - 1;
+        //    prev 2-byte val map    curr 2-byte val map
+        var prev = new u16(32768), head = new u16(msk_1 + 1);
+        var bs1_1 = Math.ceil(plvl / 3), bs2_1 = 2 * bs1_1;
+        var hsh = function (i) { return (dat[i] ^ (dat[i + 1] << bs1_1) ^ (dat[i + 2] << bs2_1)) & msk_1; };
+        // 24576 is an arbitrary number of maximum symbols per block
+        // 424 buffer for last block
+        var syms = new u32(25000);
+        // length/literal freq   distance freq
+        var lf = new u16(288), df = new u16(32);
+        //  l/lcnt  exbits  index  l/lind  waitdx  bitpos
+        var lc_1 = 0, eb = 0, i = 0, li = 0, wi = 0, bs = 0;
+        for (; i < s; ++i) {
+            // hash value
+            var hv = hsh(i);
+            // index mod 32768
+            var imod = i & 32767;
+            // previous index with this value
+            var pimod = head[hv];
+            prev[imod] = pimod;
+            head[hv] = imod;
+            // We always should modify head and prev, but only add symbols if
+            // this data is not yet processed ("wait" for wait index)
+            if (wi <= i) {
+                // bytes remaining
+                var rem = s - i;
+                if ((lc_1 > 7000 || li > 24576) && rem > 423) {
+                    pos = wblk(dat, w, 0, syms, lf, df, eb, li, bs, i - bs, pos);
+                    li = lc_1 = eb = 0, bs = i;
+                    for (var j = 0; j < 286; ++j)
+                        lf[j] = 0;
+                    for (var j = 0; j < 30; ++j)
+                        df[j] = 0;
+                }
+                //  len    dist   chain
+                var l = 2, d = 0, ch_1 = c, dif = (imod - pimod) & 32767;
+                if (rem > 2 && hv == hsh(i - dif)) {
+                    var maxn = Math.min(n, rem) - 1;
+                    var maxd = Math.min(32767, i);
+                    // max possible length
+                    // not capped at dif because decompressors implement "rolling" index population
+                    var ml = Math.min(258, rem);
+                    while (dif <= maxd && --ch_1 && imod != pimod) {
+                        if (dat[i + l] == dat[i + l - dif]) {
+                            var nl = 0;
+                            for (; nl < ml && dat[i + nl] == dat[i + nl - dif]; ++nl)
+                                ;
+                            if (nl > l) {
+                                l = nl, d = dif;
+                                // break out early when we reach "nice" (we are satisfied enough)
+                                if (nl > maxn)
+                                    break;
+                                // now, find the rarest 2-byte sequence within this
+                                // length of literals and search for that instead.
+                                // Much faster than just using the start
+                                var mmd = Math.min(dif, nl - 2);
+                                var md = 0;
+                                for (var j = 0; j < mmd; ++j) {
+                                    var ti = (i - dif + j + 32768) & 32767;
+                                    var pti = prev[ti];
+                                    var cd = (ti - pti + 32768) & 32767;
+                                    if (cd > md)
+                                        md = cd, pimod = ti;
+                                }
+                            }
+                        }
+                        // check the previous match
+                        imod = pimod, pimod = prev[imod];
+                        dif += (imod - pimod + 32768) & 32767;
+                    }
+                }
+                // d will be nonzero only when a match was found
+                if (d) {
+                    // store both dist and len data in one Uint32
+                    // Make sure this is recognized as a len/dist with 28th bit (2^28)
+                    syms[li++] = 268435456 | (revfl[l] << 18) | revfd[d];
+                    var lin = revfl[l] & 31, din = revfd[d] & 31;
+                    eb += fleb[lin] + fdeb[din];
+                    ++lf[257 + lin];
+                    ++df[din];
+                    wi = i + l;
+                    ++lc_1;
+                }
+                else {
+                    syms[li++] = dat[i];
+                    ++lf[dat[i]];
+                }
+            }
+        }
+        pos = wblk(dat, w, lst, syms, lf, df, eb, li, bs, i - bs, pos);
+        // this is the easiest way to avoid needing to maintain state
+        if (!lst && pos & 7)
+            pos = wfblk(w, pos + 1, et);
+    }
+    return slc(o, 0, pre + shft(pos) + post);
+};
+// CRC32 table
+var crct = /*#__PURE__*/ (function () {
+    var t = new u32(256);
+    for (var i = 0; i < 256; ++i) {
+        var c = i, k = 9;
+        while (--k)
+            c = ((c & 1) && 0xEDB88320) ^ (c >>> 1);
+        t[i] = c;
+    }
+    return t;
+})();
+// CRC32
+var crc = function () {
+    var c = 0xFFFFFFFF;
+    return {
+        p: function (d) {
+            // closures have awful performance
+            var cr = c;
+            for (var i = 0; i < d.length; ++i)
+                cr = crct[(cr & 255) ^ d[i]] ^ (cr >>> 8);
+            c = cr;
+        },
+        d: function () { return c ^ 0xFFFFFFFF; }
+    };
+};
+// deflate with opts
+var dopt = function (dat, opt, pre, post, st) {
+    return dflt(dat, opt.level == null ? 6 : opt.level, opt.mem == null ? Math.ceil(Math.max(8, Math.min(13, Math.log(dat.length))) * 1.5) : (12 + opt.mem), pre, post, !st);
+};
+// write bytes
+var wbytes = function (d, b, v) {
+    for (; v; ++b)
+        d[b] = v, v >>>= 8;
+};
+// gzip header
+var gzh = function (c, o) {
+    var fn = o.filename;
+    c[0] = 31, c[1] = 139, c[2] = 8, c[8] = o.level < 2 ? 4 : o.level == 9 ? 2 : 0, c[9] = 3; // assume Unix
+    if (o.mtime != 0)
+        wbytes(c, 4, Math.floor(new Date(o.mtime || Date.now()) / 1000));
+    if (fn) {
+        c[3] = 8;
+        for (var i = 0; i <= fn.length; ++i)
+            c[i + 10] = fn.charCodeAt(i);
+    }
+};
+// gzip footer: -8 to -4 = CRC, -4 to -0 is length
+// gzip start
+var gzs = function (d) {
+    if (d[0] != 31 || d[1] != 139 || d[2] != 8)
+        throw 'invalid gzip data';
+    var flg = d[3];
+    var st = 10;
+    if (flg & 4)
+        st += d[10] | (d[11] << 8) + 2;
+    for (var zs = (flg >> 3 & 1) + (flg >> 4 & 1); zs > 0; zs -= !d[st++])
+        ;
+    return st + (flg & 2);
+};
+// gzip length
+var gzl = function (d) {
+    var l = d.length;
+    return (d[l - 4] | d[l - 3] << 8 | d[l - 2] << 16) + (2 * (d[l - 1] << 23));
+};
+// gzip header length
+var gzhl = function (o) { return 10 + ((o.filename && (o.filename.length + 1)) || 0); };
+/**
+ * Compresses data with GZIP
+ * @param data The data to compress
+ * @param opts The compression options
+ * @returns The gzipped version of the data
+ */
+function gzipSync(data, opts) {
+    if (opts === void 0) { opts = {}; }
+    var c = crc(), l = data.length;
+    c.p(data);
+    var d = dopt(data, opts, gzhl(opts), 8), s = d.length;
+    return gzh(d, opts), wbytes(d, s - 8, c.d()), wbytes(d, s - 4, l), d;
+}
+/**
+ * Expands GZIP data
+ * @param data The data to decompress
+ * @param out Where to write the data. GZIP already encodes the output size, so providing this doesn't save memory.
+ * @returns The decompressed version of the data
+ */
+function gunzipSync(data, out) {
+    return inflt(data.subarray(gzs(data), -8), out || new u8(gzl(data)));
+}
+// text encoder
+var te = typeof TextEncoder != 'undefined' && new TextEncoder();
+// text decoder
+var td = typeof TextDecoder != 'undefined' && new TextDecoder();
+// text decoder stream
+var tds = 0;
+try {
+    td.decode(et, { stream: true });
+    tds = 1;
+}
+catch (e) { }
+
+/*
+ This file is part of GNU Taler
+ (C) 2020 Taler Systems SA
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+const WALLET_BACKUP_STATE_KEY = "walletBackupState";
+const logger$e = new Logger("operations/backup.ts");
+function provideBackupState(ws) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const bs = yield ws.db.get(Stores.config, WALLET_BACKUP_STATE_KEY);
+        if (bs) {
+            return bs.value;
+        }
+        // We need to generate the key outside of the transaction
+        // due to how IndexedDB works.
+        const k = yield ws.cryptoApi.createEddsaKeypair();
+        const d = getRandomBytes(5);
+        // FIXME: device ID should be configured when wallet is initialized
+        // and be based on hostname
+        const deviceId = `wallet-core-${encodeCrock(d)}`;
+        return yield ws.db.runWithWriteTransaction([Stores.config], (tx) => __awaiter(this, void 0, void 0, function* () {
+            let backupStateEntry = yield tx.get(Stores.config, WALLET_BACKUP_STATE_KEY);
+            if (!backupStateEntry) {
+                backupStateEntry = {
+                    key: WALLET_BACKUP_STATE_KEY,
+                    value: {
+                        deviceId,
+                        clocks: { [deviceId]: 1 },
+                        walletRootPub: k.pub,
+                        walletRootPriv: k.priv,
+                        lastBackupPlainHash: undefined,
+                    },
+                };
+                yield tx.put(Stores.config, backupStateEntry);
+            }
+            return backupStateEntry.value;
+        }));
+    });
+}
+function getWalletBackupState(ws, tx) {
+    return __awaiter(this, void 0, void 0, function* () {
+        let bs = yield tx.get(Stores.config, WALLET_BACKUP_STATE_KEY);
+        checkDbInvariant(!!bs, "wallet backup state should be in DB");
+        return bs.value;
+    });
+}
+function exportBackup(ws) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield provideBackupState(ws);
+        return ws.db.runWithWriteTransaction([
+            Stores.config,
+            Stores.exchanges,
+            Stores.coins,
+            Stores.denominations,
+            Stores.purchases,
+            Stores.proposals,
+            Stores.refreshGroups,
+            Stores.backupProviders,
+            Stores.tips,
+            Stores.recoupGroups,
+            Stores.reserves,
+            Stores.withdrawalGroups,
+        ], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const bs = yield getWalletBackupState(ws, tx);
+            const backupExchanges = [];
+            const backupCoinsByDenom = {};
+            const backupDenominationsByExchange = {};
+            const backupReservesByExchange = {};
+            const backupPurchases = [];
+            const backupProposals = [];
+            const backupRefreshGroups = [];
+            const backupBackupProviders = [];
+            const backupTips = [];
+            const backupRecoupGroups = [];
+            const withdrawalGroupsByReserve = {};
+            yield tx.iter(Stores.withdrawalGroups).forEachAsync((wg) => __awaiter(this, void 0, void 0, function* () {
+                var _a;
+                var _b;
+                const withdrawalGroups = ((_a = withdrawalGroupsByReserve[_b = wg.reservePub]) !== null && _a !== void 0 ? _a : (withdrawalGroupsByReserve[_b] = []));
+                withdrawalGroups.push({
+                    raw_withdrawal_amount: Amounts.stringify(wg.rawWithdrawalAmount),
+                    selected_denoms: wg.denomsSel.selectedDenoms.map((x) => ({
+                        count: x.count,
+                        denom_pub_hash: x.denomPubHash,
+                    })),
+                    timestamp_created: wg.timestampStart,
+                    timestamp_finish: wg.timestampFinish,
+                    withdrawal_group_id: wg.withdrawalGroupId,
+                    secret_seed: wg.secretSeed,
+                });
+            }));
+            yield tx.iter(Stores.reserves).forEach((reserve) => {
+                var _a, _b;
+                var _c;
+                const backupReserve = {
+                    initial_selected_denoms: reserve.initialDenomSel.selectedDenoms.map((x) => ({
+                        count: x.count,
+                        denom_pub_hash: x.denomPubHash,
+                    })),
+                    initial_withdrawal_group_id: reserve.initialWithdrawalGroupId,
+                    instructed_amount: Amounts.stringify(reserve.instructedAmount),
+                    reserve_priv: reserve.reservePriv,
+                    timestamp_created: reserve.timestampCreated,
+                    withdrawal_groups: (_a = withdrawalGroupsByReserve[reserve.reservePub]) !== null && _a !== void 0 ? _a : [],
+                    // FIXME!
+                    timestamp_last_activity: reserve.timestampCreated,
+                };
+                const backupReserves = ((_b = backupReservesByExchange[_c = reserve.exchangeBaseUrl]) !== null && _b !== void 0 ? _b : (backupReservesByExchange[_c] = []));
+                backupReserves.push(backupReserve);
+            });
+            yield tx.iter(Stores.tips).forEach((tip) => {
+                backupTips.push({
+                    exchange_base_url: tip.exchangeBaseUrl,
+                    merchant_base_url: tip.merchantBaseUrl,
+                    merchant_tip_id: tip.merchantTipId,
+                    wallet_tip_id: tip.walletTipId,
+                    secret_seed: tip.secretSeed,
+                    selected_denoms: tip.denomsSel.selectedDenoms.map((x) => ({
+                        count: x.count,
+                        denom_pub_hash: x.denomPubHash,
+                    })),
+                    timestamp_finished: tip.pickedUpTimestamp,
+                    timestamp_accepted: tip.acceptedTimestamp,
+                    timestamp_created: tip.createdTimestamp,
+                    timestamp_expiration: tip.tipExpiration,
+                    tip_amount_raw: Amounts.stringify(tip.tipAmountRaw),
+                });
+            });
+            yield tx.iter(Stores.recoupGroups).forEach((recoupGroup) => {
+                backupRecoupGroups.push({
+                    recoup_group_id: recoupGroup.recoupGroupId,
+                    timestamp_created: recoupGroup.timestampStarted,
+                    timestamp_finish: recoupGroup.timestampFinished,
+                    coins: recoupGroup.coinPubs.map((x, i) => ({
+                        coin_pub: x,
+                        recoup_finished: recoupGroup.recoupFinishedPerCoin[i],
+                        old_amount: Amounts.stringify(recoupGroup.oldAmountPerCoin[i]),
+                    })),
+                });
+            });
+            yield tx.iter(Stores.backupProviders).forEach((bp) => {
+                let terms;
+                if (bp.terms) {
+                    terms = {
+                        annual_fee: Amounts.stringify(bp.terms.annualFee),
+                        storage_limit_in_megabytes: bp.terms.storageLimitInMegabytes,
+                        supported_protocol_version: bp.terms.supportedProtocolVersion,
+                    };
+                }
+                backupBackupProviders.push({
+                    terms,
+                    base_url: canonicalizeBaseUrl(bp.baseUrl),
+                    pay_proposal_ids: bp.paymentProposalIds,
+                });
+            });
+            yield tx.iter(Stores.coins).forEach((coin) => {
+                var _a;
+                var _b;
+                let bcs;
+                switch (coin.coinSource.type) {
+                    case CoinSourceType.Refresh:
+                        bcs = {
+                            type: BackupCoinSourceType.Refresh,
+                            old_coin_pub: coin.coinSource.oldCoinPub,
+                        };
+                        break;
+                    case CoinSourceType.Tip:
+                        bcs = {
+                            type: BackupCoinSourceType.Tip,
+                            coin_index: coin.coinSource.coinIndex,
+                            wallet_tip_id: coin.coinSource.walletTipId,
+                        };
+                        break;
+                    case CoinSourceType.Withdraw:
+                        bcs = {
+                            type: BackupCoinSourceType.Withdraw,
+                            coin_index: coin.coinSource.coinIndex,
+                            reserve_pub: coin.coinSource.reservePub,
+                            withdrawal_group_id: coin.coinSource.withdrawalGroupId,
+                        };
+                        break;
+                }
+                const coins = ((_a = backupCoinsByDenom[_b = coin.denomPubHash]) !== null && _a !== void 0 ? _a : (backupCoinsByDenom[_b] = []));
+                coins.push({
+                    blinding_key: coin.blindingKey,
+                    coin_priv: coin.coinPriv,
+                    coin_source: bcs,
+                    current_amount: Amounts.stringify(coin.currentAmount),
+                    fresh: coin.status === CoinStatus.Fresh,
+                    denom_sig: coin.denomSig,
+                });
+            });
+            yield tx.iter(Stores.denominations).forEach((denom) => {
+                var _a, _b;
+                var _c;
+                const backupDenoms = ((_a = backupDenominationsByExchange[_c = denom.exchangeBaseUrl]) !== null && _a !== void 0 ? _a : (backupDenominationsByExchange[_c] = []));
+                backupDenoms.push({
+                    coins: (_b = backupCoinsByDenom[denom.denomPubHash]) !== null && _b !== void 0 ? _b : [],
+                    denom_pub: denom.denomPub,
+                    fee_deposit: Amounts.stringify(denom.feeDeposit),
+                    fee_refresh: Amounts.stringify(denom.feeRefresh),
+                    fee_refund: Amounts.stringify(denom.feeRefund),
+                    fee_withdraw: Amounts.stringify(denom.feeWithdraw),
+                    is_offered: denom.isOffered,
+                    is_revoked: denom.isRevoked,
+                    master_sig: denom.masterSig,
+                    stamp_expire_deposit: denom.stampExpireDeposit,
+                    stamp_expire_legal: denom.stampExpireLegal,
+                    stamp_expire_withdraw: denom.stampExpireWithdraw,
+                    stamp_start: denom.stampStart,
+                    value: Amounts.stringify(denom.value),
+                });
+            });
+            yield tx.iter(Stores.exchanges).forEach((ex) => {
+                // Only back up permanently added exchanges.
+                var _a, _b;
+                if (!ex.details) {
+                    return;
+                }
+                if (!ex.wireInfo) {
+                    return;
+                }
+                if (!ex.addComplete) {
+                    return;
+                }
+                if (!ex.permanent) {
+                    return;
+                }
+                const wi = ex.wireInfo;
+                const wireFees = [];
+                Object.keys(wi.feesForType).forEach((x) => {
+                    for (const f of wi.feesForType[x]) {
+                        wireFees.push({
+                            wire_type: x,
+                            closing_fee: Amounts.stringify(f.closingFee),
+                            end_stamp: f.endStamp,
+                            sig: f.sig,
+                            start_stamp: f.startStamp,
+                            wire_fee: Amounts.stringify(f.wireFee),
+                        });
+                    }
+                });
+                backupExchanges.push({
+                    base_url: ex.baseUrl,
+                    reserve_closing_delay: ex.details.reserveClosingDelay,
+                    accounts: ex.wireInfo.accounts.map((x) => ({
+                        payto_uri: x.payto_uri,
+                        master_sig: x.master_sig,
+                    })),
+                    auditors: ex.details.auditors.map((x) => ({
+                        auditor_pub: x.auditor_pub,
+                        auditor_url: x.auditor_url,
+                        denomination_keys: x.denomination_keys,
+                    })),
+                    master_public_key: ex.details.masterPublicKey,
+                    currency: ex.details.currency,
+                    protocol_version: ex.details.protocolVersion,
+                    wire_fees: wireFees,
+                    signing_keys: ex.details.signingKeys.map((x) => ({
+                        key: x.key,
+                        master_sig: x.master_sig,
+                        stamp_end: x.stamp_end,
+                        stamp_expire: x.stamp_expire,
+                        stamp_start: x.stamp_start,
+                    })),
+                    tos_etag_accepted: ex.termsOfServiceAcceptedEtag,
+                    tos_etag_last: ex.termsOfServiceLastEtag,
+                    denominations: (_a = backupDenominationsByExchange[ex.baseUrl]) !== null && _a !== void 0 ? _a : [],
+                    reserves: (_b = backupReservesByExchange[ex.baseUrl]) !== null && _b !== void 0 ? _b : [],
+                });
+            });
+            const purchaseProposalIdSet = new Set();
+            yield tx.iter(Stores.purchases).forEach((purch) => {
+                const refunds = [];
+                purchaseProposalIdSet.add(purch.proposalId);
+                for (const refundKey of Object.keys(purch.refunds)) {
+                    const ri = purch.refunds[refundKey];
+                    const common = {
+                        coin_pub: ri.coinPub,
+                        execution_time: ri.executionTime,
+                        obtained_time: ri.obtainedTime,
+                        refund_amount: Amounts.stringify(ri.refundAmount),
+                        rtransaction_id: ri.rtransactionId,
+                        total_refresh_cost_bound: Amounts.stringify(ri.totalRefreshCostBound),
+                    };
+                    switch (ri.type) {
+                        case RefundState.Applied:
+                            refunds.push(Object.assign({ type: BackupRefundState.Applied }, common));
+                            break;
+                        case RefundState.Failed:
+                            refunds.push(Object.assign({ type: BackupRefundState.Failed }, common));
+                            break;
+                        case RefundState.Pending:
+                            refunds.push(Object.assign({ type: BackupRefundState.Pending }, common));
+                            break;
+                    }
+                }
+                backupPurchases.push({
+                    contract_terms_raw: purch.download.contractTermsRaw,
+                    auto_refund_deadline: purch.autoRefundDeadline,
+                    merchant_pay_sig: purch.merchantPaySig,
+                    pay_coins: purch.payCoinSelection.coinPubs.map((x, i) => ({
+                        coin_pub: x,
+                        contribution: Amounts.stringify(purch.payCoinSelection.coinContributions[i]),
+                    })),
+                    proposal_id: purch.proposalId,
+                    refunds,
+                    timestamp_accept: purch.timestampAccept,
+                    timestamp_first_successful_pay: purch.timestampFirstSuccessfulPay,
+                    abort_status: purch.abortStatus === AbortStatus.None
+                        ? undefined
+                        : purch.abortStatus,
+                    nonce_priv: purch.noncePriv,
+                    merchant_sig: purch.download.contractData.merchantSig,
+                    total_pay_cost: Amounts.stringify(purch.totalPayCost),
+                });
+            });
+            yield tx.iter(Stores.proposals).forEach((prop) => {
+                var _a, _b;
+                if (purchaseProposalIdSet.has(prop.proposalId)) {
+                    return;
+                }
+                let propStatus;
+                switch (prop.proposalStatus) {
+                    case ProposalStatus.ACCEPTED:
+                        return;
+                    case ProposalStatus.DOWNLOADING:
+                    case ProposalStatus.PROPOSED:
+                        propStatus = BackupProposalStatus.Proposed;
+                        break;
+                    case ProposalStatus.PERMANENTLY_FAILED:
+                        propStatus = BackupProposalStatus.PermanentlyFailed;
+                        break;
+                    case ProposalStatus.REFUSED:
+                        propStatus = BackupProposalStatus.Refused;
+                        break;
+                    case ProposalStatus.REPURCHASE:
+                        propStatus = BackupProposalStatus.Repurchase;
+                        break;
+                }
+                backupProposals.push({
+                    claim_token: prop.claimToken,
+                    nonce_priv: prop.noncePriv,
+                    proposal_id: prop.noncePriv,
+                    proposal_status: propStatus,
+                    repurchase_proposal_id: prop.repurchaseProposalId,
+                    timestamp: prop.timestamp,
+                    contract_terms_raw: (_a = prop.download) === null || _a === void 0 ? void 0 : _a.contractTermsRaw,
+                    download_session_id: prop.downloadSessionId,
+                    merchant_base_url: prop.merchantBaseUrl,
+                    order_id: prop.orderId,
+                    merchant_sig: (_b = prop.download) === null || _b === void 0 ? void 0 : _b.contractData.merchantSig,
+                });
+            });
+            yield tx.iter(Stores.refreshGroups).forEach((rg) => {
+                const oldCoins = [];
+                for (let i = 0; i < rg.oldCoinPubs.length; i++) {
+                    let refreshSession;
+                    const s = rg.refreshSessionPerCoin[i];
+                    if (s) {
+                        refreshSession = {
+                            new_denoms: s.newDenoms.map((x) => ({
+                                count: x.count,
+                                denom_pub_hash: x.denomPubHash,
+                            })),
+                            session_secret_seed: s.sessionSecretSeed,
+                            noreveal_index: s.norevealIndex,
+                        };
+                    }
+                    oldCoins.push({
+                        coin_pub: rg.oldCoinPubs[i],
+                        estimated_output_amount: Amounts.stringify(rg.estimatedOutputPerCoin[i]),
+                        finished: rg.finishedPerCoin[i],
+                        input_amount: Amounts.stringify(rg.inputPerCoin[i]),
+                        refresh_session: refreshSession,
+                    });
+                }
+                backupRefreshGroups.push({
+                    reason: rg.reason,
+                    refresh_group_id: rg.refreshGroupId,
+                    timestamp_created: rg.timestampCreated,
+                    timestamp_finish: rg.timestampFinished,
+                    old_coins: oldCoins,
+                });
+            });
+            if (!bs.lastBackupTimestamp) {
+                bs.lastBackupTimestamp = getTimestampNow();
+            }
+            const backupBlob = {
+                schema_id: "gnu-taler-wallet-backup-content",
+                schema_version: 1,
+                clocks: bs.clocks,
+                exchanges: backupExchanges,
+                wallet_root_pub: bs.walletRootPub,
+                backup_providers: backupBackupProviders,
+                current_device_id: bs.deviceId,
+                proposals: backupProposals,
+                purchase_tombstones: [],
+                purchases: backupPurchases,
+                recoup_groups: backupRecoupGroups,
+                refresh_groups: backupRefreshGroups,
+                tips: backupTips,
+                timestamp: bs.lastBackupTimestamp,
+                trusted_auditors: {},
+                trusted_exchanges: {},
+                intern_table: {},
+                error_reports: [],
+            };
+            // If the backup changed, we increment our clock.
+            let h = encodeCrock(hash$1(stringToBytes(canonicalJson(backupBlob))));
+            if (h != bs.lastBackupPlainHash) {
+                backupBlob.clocks[bs.deviceId] = ++bs.clocks[bs.deviceId];
+                bs.lastBackupPlainHash = encodeCrock(hash$1(stringToBytes(canonicalJson(backupBlob))));
+                bs.lastBackupNonce = encodeCrock(getRandomBytes(32));
+                yield tx.put(Stores.config, {
+                    key: WALLET_BACKUP_STATE_KEY,
+                    value: bs,
+                });
+            }
+            return backupBlob;
+        }));
+    });
+}
+function concatArrays(xs) {
+    let len = 0;
+    for (const x of xs) {
+        len += x.byteLength;
+    }
+    const out = new Uint8Array(len);
+    let offset = 0;
+    for (const x of xs) {
+        out.set(x, offset);
+        offset += x.length;
+    }
+    return out;
+}
+const magic = "TLRWBK01";
+/**
+ * Encrypt the backup.
+ *
+ * Blob format:
+ * Magic "TLRWBK01" (8 bytes)
+ * Nonce (24 bytes)
+ * Compressed JSON blob (rest)
+ */
+function encryptBackup(config, blob) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const chunks = [];
+        chunks.push(stringToBytes(magic));
+        const nonceStr = config.lastBackupNonce;
+        checkLogicInvariant(!!nonceStr);
+        const nonce = decodeCrock(nonceStr).slice(0, 24);
+        chunks.push(nonce);
+        const backupJsonContent = canonicalJson(blob);
+        logger$e.trace("backup JSON size", backupJsonContent.length);
+        const compressedContent = gzipSync(stringToBytes(backupJsonContent));
+        const secret = deriveBlobSecret(config);
+        const encrypted = secretbox(compressedContent, nonce.slice(0, 24), secret);
+        chunks.push(encrypted);
+        return concatArrays(chunks);
+    });
+}
+/**
+ * Compute cryptographic values for a backup blob.
+ *
+ * FIXME: Take data that we already know from the DB.
+ * FIXME: Move computations into crypto worker.
+ */
+function computeBackupCryptoData(cryptoApi, backupContent) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const cryptoData = {
+            coinPrivToCompletedCoin: {},
+            denomPubToHash: {},
+            proposalIdToContractTermsHash: {},
+            proposalNoncePrivToPub: {},
+            reservePrivToPub: {},
+        };
+        for (const backupExchange of backupContent.exchanges) {
+            for (const backupDenom of backupExchange.denominations) {
+                for (const backupCoin of backupDenom.coins) {
+                    const coinPub = encodeCrock(eddsaGetPublic(decodeCrock(backupCoin.coin_priv)));
+                    const blindedCoin = rsaBlind(hash$1(decodeCrock(backupCoin.coin_priv)), decodeCrock(backupCoin.blinding_key), decodeCrock(backupDenom.denom_pub));
+                    cryptoData.coinPrivToCompletedCoin[backupCoin.coin_priv] = {
+                        coinEvHash: encodeCrock(hash$1(blindedCoin)),
+                        coinPub,
+                    };
+                }
+                cryptoData.denomPubToHash[backupDenom.denom_pub] = encodeCrock(hash$1(decodeCrock(backupDenom.denom_pub)));
+            }
+            for (const backupReserve of backupExchange.reserves) {
+                cryptoData.reservePrivToPub[backupReserve.reserve_priv] = encodeCrock(eddsaGetPublic(decodeCrock(backupReserve.reserve_priv)));
+            }
+        }
+        for (const prop of backupContent.proposals) {
+            const contractTermsHash = yield cryptoApi.hashString(canonicalJson(prop.contract_terms_raw));
+            const noncePub = encodeCrock(eddsaGetPublic(decodeCrock(prop.nonce_priv)));
+            cryptoData.proposalNoncePrivToPub[prop.nonce_priv] = noncePub;
+            cryptoData.proposalIdToContractTermsHash[prop.proposal_id] = contractTermsHash;
+        }
+        for (const purch of backupContent.purchases) {
+            const contractTermsHash = yield cryptoApi.hashString(canonicalJson(purch.contract_terms_raw));
+            const noncePub = encodeCrock(eddsaGetPublic(decodeCrock(purch.nonce_priv)));
+            cryptoData.proposalNoncePrivToPub[purch.nonce_priv] = noncePub;
+            cryptoData.proposalIdToContractTermsHash[purch.proposal_id] = contractTermsHash;
+        }
+        return cryptoData;
+    });
+}
+function checkBackupInvariant(b, m) {
+    if (!b) {
+        if (m) {
+            throw Error(`BUG: backup invariant failed (${m})`);
+        }
+        else {
+            throw Error("BUG: backup invariant failed");
+        }
+    }
+}
+/**
+ * Re-compute information about the coin selection for a payment.
+ */
+function recoverPayCoinSelection(tx, contractData, backupPurchase) {
+    var _a;
+    return __awaiter(this, void 0, void 0, function* () {
+        const coinPubs = backupPurchase.pay_coins.map((x) => x.coin_pub);
+        const coinContributions = backupPurchase.pay_coins.map((x) => Amounts.parseOrThrow(x.contribution));
+        const coveredExchanges = new Set();
+        let totalWireFee = Amounts.getZero(contractData.amount.currency);
+        let totalDepositFees = Amounts.getZero(contractData.amount.currency);
+        for (const coinPub of coinPubs) {
+            const coinRecord = yield tx.get(Stores.coins, coinPub);
+            checkBackupInvariant(!!coinRecord);
+            const denom = yield tx.get(Stores.denominations, [
+                coinRecord.exchangeBaseUrl,
+                coinRecord.denomPubHash,
+            ]);
+            checkBackupInvariant(!!denom);
+            totalDepositFees = Amounts.add(totalDepositFees, denom.feeDeposit).amount;
+            if (!coveredExchanges.has(coinRecord.exchangeBaseUrl)) {
+                const exchange = yield tx.get(Stores.exchanges, coinRecord.exchangeBaseUrl);
+                checkBackupInvariant(!!exchange);
+                let wireFee;
+                const feesForType = (_a = exchange.wireInfo) === null || _a === void 0 ? void 0 : _a.feesForType;
+                checkBackupInvariant(!!feesForType);
+                for (const fee of feesForType[contractData.wireMethod] || []) {
+                    if (fee.startStamp <= contractData.timestamp &&
+                        fee.endStamp >= contractData.timestamp) {
+                        wireFee = fee.wireFee;
+                        break;
+                    }
+                }
+                if (wireFee) {
+                    totalWireFee = Amounts.add(totalWireFee, wireFee).amount;
+                }
+            }
+        }
+        let customerWireFee;
+        const amortizedWireFee = Amounts.divide(totalWireFee, contractData.wireFeeAmortization);
+        if (Amounts.cmp(contractData.maxWireFee, amortizedWireFee) < 0) {
+            customerWireFee = amortizedWireFee;
+        }
+        else {
+            customerWireFee = Amounts.getZero(contractData.amount.currency);
+        }
+        const customerDepositFees = Amounts.sub(totalDepositFees, contractData.maxDepositFee).amount;
+        return {
+            coinPubs,
+            coinContributions,
+            paymentAmount: contractData.amount,
+            customerWireFees: customerWireFee,
+            customerDepositFees,
+        };
+    });
+}
+function getDenomSelStateFromBackup(tx, exchangeBaseUrl, sel) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const d0 = yield tx.get(Stores.denominations, [
+            exchangeBaseUrl,
+            sel[0].denom_pub_hash,
+        ]);
+        checkBackupInvariant(!!d0);
+        const selectedDenoms = [];
+        let totalCoinValue = Amounts.getZero(d0.value.currency);
+        let totalWithdrawCost = Amounts.getZero(d0.value.currency);
+        for (const s of sel) {
+            const d = yield tx.get(Stores.denominations, [
+                exchangeBaseUrl,
+                s.denom_pub_hash,
+            ]);
+            checkBackupInvariant(!!d);
+            totalCoinValue = Amounts.add(totalCoinValue, d.value).amount;
+            totalWithdrawCost = Amounts.add(totalWithdrawCost, d.value, d.feeWithdraw)
+                .amount;
+        }
+        return {
+            selectedDenoms,
+            totalCoinValue,
+            totalWithdrawCost,
+        };
+    });
+}
+function importBackup(ws, backupBlobArg, cryptoComp) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield provideBackupState(ws);
+        return ws.db.runWithWriteTransaction([
+            Stores.config,
+            Stores.exchanges,
+            Stores.coins,
+            Stores.denominations,
+            Stores.purchases,
+            Stores.proposals,
+            Stores.refreshGroups,
+            Stores.backupProviders,
+            Stores.tips,
+            Stores.recoupGroups,
+            Stores.reserves,
+            Stores.withdrawalGroups,
+        ], (tx) => __awaiter(this, void 0, void 0, function* () {
+            var _a, _b, _c, _d, _e;
+            var _f, _g;
+            // FIXME: validate schema!
+            const backupBlob = backupBlobArg;
+            // FIXME: validate version
+            for (const backupExchange of backupBlob.exchanges) {
+                const existingExchange = yield tx.get(Stores.exchanges, backupExchange.base_url);
+                if (!existingExchange) {
+                    const wireInfo = {
+                        accounts: backupExchange.accounts.map((x) => ({
+                            master_sig: x.master_sig,
+                            payto_uri: x.payto_uri,
+                        })),
+                        feesForType: {},
+                    };
+                    for (const fee of backupExchange.wire_fees) {
+                        const w = ((_a = (_f = wireInfo.feesForType)[_g = fee.wire_type]) !== null && _a !== void 0 ? _a : (_f[_g] = []));
+                        w.push({
+                            closingFee: Amounts.parseOrThrow(fee.closing_fee),
+                            endStamp: fee.end_stamp,
+                            sig: fee.sig,
+                            startStamp: fee.start_stamp,
+                            wireFee: Amounts.parseOrThrow(fee.wire_fee),
+                        });
+                    }
+                    yield tx.put(Stores.exchanges, {
+                        addComplete: true,
+                        baseUrl: backupExchange.base_url,
+                        builtIn: false,
+                        updateReason: undefined,
+                        permanent: true,
+                        retryInfo: initRetryInfo(),
+                        termsOfServiceAcceptedEtag: backupExchange.tos_etag_accepted,
+                        termsOfServiceText: undefined,
+                        termsOfServiceLastEtag: backupExchange.tos_etag_last,
+                        updateStarted: getTimestampNow(),
+                        updateStatus: ExchangeUpdateStatus.FetchKeys,
+                        wireInfo,
+                        details: {
+                            currency: backupExchange.currency,
+                            reserveClosingDelay: backupExchange.reserve_closing_delay,
+                            auditors: backupExchange.auditors.map((x) => ({
+                                auditor_pub: x.auditor_pub,
+                                auditor_url: x.auditor_url,
+                                denomination_keys: x.denomination_keys,
+                            })),
+                            lastUpdateTime: { t_ms: "never" },
+                            masterPublicKey: backupExchange.master_public_key,
+                            nextUpdateTime: { t_ms: "never" },
+                            protocolVersion: backupExchange.protocol_version,
+                            signingKeys: backupExchange.signing_keys.map((x) => ({
+                                key: x.key,
+                                master_sig: x.master_sig,
+                                stamp_end: x.stamp_end,
+                                stamp_expire: x.stamp_expire,
+                                stamp_start: x.stamp_start,
+                            })),
+                        },
+                    });
+                }
+                for (const backupDenomination of backupExchange.denominations) {
+                    const denomPubHash = cryptoComp.denomPubToHash[backupDenomination.denom_pub];
+                    checkLogicInvariant(!!denomPubHash);
+                    const existingDenom = yield tx.get(Stores.denominations, [
+                        backupExchange.base_url,
+                        denomPubHash,
+                    ]);
+                    if (!existingDenom) {
+                        yield tx.put(Stores.denominations, {
+                            denomPub: backupDenomination.denom_pub,
+                            denomPubHash: denomPubHash,
+                            exchangeBaseUrl: backupExchange.base_url,
+                            feeDeposit: Amounts.parseOrThrow(backupDenomination.fee_deposit),
+                            feeRefresh: Amounts.parseOrThrow(backupDenomination.fee_refresh),
+                            feeRefund: Amounts.parseOrThrow(backupDenomination.fee_refund),
+                            feeWithdraw: Amounts.parseOrThrow(backupDenomination.fee_withdraw),
+                            isOffered: backupDenomination.is_offered,
+                            isRevoked: backupDenomination.is_revoked,
+                            masterSig: backupDenomination.master_sig,
+                            stampExpireDeposit: backupDenomination.stamp_expire_deposit,
+                            stampExpireLegal: backupDenomination.stamp_expire_legal,
+                            stampExpireWithdraw: backupDenomination.stamp_expire_withdraw,
+                            stampStart: backupDenomination.stamp_start,
+                            status: DenominationStatus.VerifiedGood,
+                            value: Amounts.parseOrThrow(backupDenomination.value),
+                        });
+                    }
+                    for (const backupCoin of backupDenomination.coins) {
+                        const compCoin = cryptoComp.coinPrivToCompletedCoin[backupCoin.coin_priv];
+                        checkLogicInvariant(!!compCoin);
+                        const existingCoin = yield tx.get(Stores.coins, compCoin.coinPub);
+                        if (!existingCoin) {
+                            let coinSource;
+                            switch (backupCoin.coin_source.type) {
+                                case BackupCoinSourceType.Refresh:
+                                    coinSource = {
+                                        type: CoinSourceType.Refresh,
+                                        oldCoinPub: backupCoin.coin_source.old_coin_pub,
+                                    };
+                                    break;
+                                case BackupCoinSourceType.Tip:
+                                    coinSource = {
+                                        type: CoinSourceType.Tip,
+                                        coinIndex: backupCoin.coin_source.coin_index,
+                                        walletTipId: backupCoin.coin_source.wallet_tip_id,
+                                    };
+                                    break;
+                                case BackupCoinSourceType.Withdraw:
+                                    coinSource = {
+                                        type: CoinSourceType.Withdraw,
+                                        coinIndex: backupCoin.coin_source.coin_index,
+                                        reservePub: backupCoin.coin_source.reserve_pub,
+                                        withdrawalGroupId: backupCoin.coin_source.withdrawal_group_id,
+                                    };
+                                    break;
+                            }
+                            yield tx.put(Stores.coins, {
+                                blindingKey: backupCoin.blinding_key,
+                                coinEvHash: compCoin.coinEvHash,
+                                coinPriv: backupCoin.coin_priv,
+                                currentAmount: Amounts.parseOrThrow(backupCoin.current_amount),
+                                denomSig: backupCoin.denom_sig,
+                                coinPub: compCoin.coinPub,
+                                suspended: false,
+                                exchangeBaseUrl: backupExchange.base_url,
+                                denomPub: backupDenomination.denom_pub,
+                                denomPubHash,
+                                status: backupCoin.fresh
+                                    ? CoinStatus.Fresh
+                                    : CoinStatus.Dormant,
+                                coinSource,
+                            });
+                        }
+                    }
+                }
+                for (const backupReserve of backupExchange.reserves) {
+                    const reservePub = cryptoComp.reservePrivToPub[backupReserve.reserve_priv];
+                    checkLogicInvariant(!!reservePub);
+                    const existingReserve = yield tx.get(Stores.reserves, reservePub);
+                    const instructedAmount = Amounts.parseOrThrow(backupReserve.instructed_amount);
+                    if (!existingReserve) {
+                        let bankInfo;
+                        if (backupReserve.bank_info) {
+                            bankInfo = {
+                                exchangePaytoUri: backupReserve.bank_info.exchange_payto_uri,
+                                statusUrl: backupReserve.bank_info.status_url,
+                                confirmUrl: backupReserve.bank_info.confirm_url,
+                            };
+                        }
+                        yield tx.put(Stores.reserves, {
+                            currency: instructedAmount.currency,
+                            instructedAmount,
+                            exchangeBaseUrl: backupExchange.base_url,
+                            reservePub,
+                            reservePriv: backupReserve.reserve_priv,
+                            requestedQuery: false,
+                            bankInfo,
+                            timestampCreated: backupReserve.timestamp_created,
+                            timestampBankConfirmed: (_b = backupReserve.bank_info) === null || _b === void 0 ? void 0 : _b.timestamp_bank_confirmed,
+                            timestampReserveInfoPosted: (_c = backupReserve.bank_info) === null || _c === void 0 ? void 0 : _c.timestamp_reserve_info_posted,
+                            senderWire: backupReserve.sender_wire,
+                            retryInfo: initRetryInfo(false),
+                            lastError: undefined,
+                            lastSuccessfulStatusQuery: { t_ms: "never" },
+                            initialWithdrawalGroupId: backupReserve.initial_withdrawal_group_id,
+                            initialWithdrawalStarted: backupReserve.withdrawal_groups.length > 0,
+                            // FIXME!
+                            reserveStatus: ReserveRecordStatus.QUERYING_STATUS,
+                            initialDenomSel: yield getDenomSelStateFromBackup(tx, backupExchange.base_url, backupReserve.initial_selected_denoms),
+                        });
+                    }
+                    for (const backupWg of backupReserve.withdrawal_groups) {
+                        const existingWg = yield tx.get(Stores.withdrawalGroups, backupWg.withdrawal_group_id);
+                        if (!existingWg) {
+                            yield tx.put(Stores.withdrawalGroups, {
+                                denomsSel: yield getDenomSelStateFromBackup(tx, backupExchange.base_url, backupWg.selected_denoms),
+                                exchangeBaseUrl: backupExchange.base_url,
+                                lastError: undefined,
+                                rawWithdrawalAmount: Amounts.parseOrThrow(backupWg.raw_withdrawal_amount),
+                                reservePub,
+                                retryInfo: initRetryInfo(false),
+                                secretSeed: backupWg.secret_seed,
+                                timestampStart: backupWg.timestamp_created,
+                                timestampFinish: backupWg.timestamp_finish,
+                                withdrawalGroupId: backupWg.withdrawal_group_id,
+                            });
+                        }
+                    }
+                }
+            }
+            for (const backupProposal of backupBlob.proposals) {
+                const existingProposal = yield tx.get(Stores.proposals, backupProposal.proposal_id);
+                if (!existingProposal) {
+                    let download;
+                    let proposalStatus;
+                    switch (backupProposal.proposal_status) {
+                        case BackupProposalStatus.Proposed:
+                            if (backupProposal.contract_terms_raw) {
+                                proposalStatus = ProposalStatus.PROPOSED;
+                            }
+                            else {
+                                proposalStatus = ProposalStatus.DOWNLOADING;
+                            }
+                            break;
+                        case BackupProposalStatus.Refused:
+                            proposalStatus = ProposalStatus.REFUSED;
+                            break;
+                        case BackupProposalStatus.Repurchase:
+                            proposalStatus = ProposalStatus.REPURCHASE;
+                            break;
+                        case BackupProposalStatus.PermanentlyFailed:
+                            proposalStatus = ProposalStatus.PERMANENTLY_FAILED;
+                            break;
+                    }
+                    if (backupProposal.contract_terms_raw) {
+                        checkDbInvariant(!!backupProposal.merchant_sig);
+                        const parsedContractTerms = codecForContractTerms().decode(backupProposal.contract_terms_raw);
+                        const amount = Amounts.parseOrThrow(parsedContractTerms.amount);
+                        const contractTermsHash = cryptoComp.proposalIdToContractTermsHash[backupProposal.proposal_id];
+                        let maxWireFee;
+                        if (parsedContractTerms.max_wire_fee) {
+                            maxWireFee = Amounts.parseOrThrow(parsedContractTerms.max_wire_fee);
+                        }
+                        else {
+                            maxWireFee = Amounts.getZero(amount.currency);
+                        }
+                        download = {
+                            contractData: {
+                                amount,
+                                contractTermsHash: contractTermsHash,
+                                fulfillmentUrl: (_d = parsedContractTerms.fulfillment_url) !== null && _d !== void 0 ? _d : "",
+                                merchantBaseUrl: parsedContractTerms.merchant_base_url,
+                                merchantPub: parsedContractTerms.merchant_pub,
+                                merchantSig: backupProposal.merchant_sig,
+                                orderId: parsedContractTerms.order_id,
+                                summary: parsedContractTerms.summary,
+                                autoRefund: parsedContractTerms.auto_refund,
+                                maxWireFee,
+                                payDeadline: parsedContractTerms.pay_deadline,
+                                refundDeadline: parsedContractTerms.refund_deadline,
+                                wireFeeAmortization: parsedContractTerms.wire_fee_amortization || 1,
+                                allowedAuditors: parsedContractTerms.auditors.map((x) => ({
+                                    auditorBaseUrl: x.url,
+                                    auditorPub: x.auditor_pub,
+                                })),
+                                allowedExchanges: parsedContractTerms.exchanges.map((x) => ({
+                                    exchangeBaseUrl: x.url,
+                                    exchangePub: x.master_pub,
+                                })),
+                                timestamp: parsedContractTerms.timestamp,
+                                wireMethod: parsedContractTerms.wire_method,
+                                wireInfoHash: parsedContractTerms.h_wire,
+                                maxDepositFee: Amounts.parseOrThrow(parsedContractTerms.max_fee),
+                                merchant: parsedContractTerms.merchant,
+                                products: parsedContractTerms.products,
+                                summaryI18n: parsedContractTerms.summary_i18n,
+                            },
+                            contractTermsRaw: backupProposal.contract_terms_raw,
+                        };
+                    }
+                    yield tx.put(Stores.proposals, {
+                        claimToken: backupProposal.claim_token,
+                        lastError: undefined,
+                        merchantBaseUrl: backupProposal.merchant_base_url,
+                        timestamp: backupProposal.timestamp,
+                        orderId: backupProposal.order_id,
+                        noncePriv: backupProposal.nonce_priv,
+                        noncePub: cryptoComp.proposalNoncePrivToPub[backupProposal.nonce_priv],
+                        proposalId: backupProposal.proposal_id,
+                        repurchaseProposalId: backupProposal.repurchase_proposal_id,
+                        retryInfo: initRetryInfo(false),
+                        download,
+                        proposalStatus,
+                    });
+                }
+            }
+            for (const backupPurchase of backupBlob.purchases) {
+                const existingPurchase = yield tx.get(Stores.purchases, backupPurchase.proposal_id);
+                if (!existingPurchase) {
+                    const refunds = {};
+                    for (const backupRefund of backupPurchase.refunds) {
+                        const key = `${backupRefund.coin_pub}-${backupRefund.rtransaction_id}`;
+                        const coin = yield tx.get(Stores.coins, backupRefund.coin_pub);
+                        checkBackupInvariant(!!coin);
+                        const denom = yield tx.get(Stores.denominations, [
+                            coin.exchangeBaseUrl,
+                            coin.denomPubHash,
+                        ]);
+                        checkBackupInvariant(!!denom);
+                        const common = {
+                            coinPub: backupRefund.coin_pub,
+                            executionTime: backupRefund.execution_time,
+                            obtainedTime: backupRefund.obtained_time,
+                            refundAmount: Amounts.parseOrThrow(backupRefund.refund_amount),
+                            refundFee: denom.feeRefund,
+                            rtransactionId: backupRefund.rtransaction_id,
+                            totalRefreshCostBound: Amounts.parseOrThrow(backupRefund.total_refresh_cost_bound),
+                        };
+                        switch (backupRefund.type) {
+                            case BackupRefundState.Applied:
+                                refunds[key] = Object.assign({ type: RefundState.Applied }, common);
+                                break;
+                            case BackupRefundState.Failed:
+                                refunds[key] = Object.assign({ type: RefundState.Failed }, common);
+                                break;
+                            case BackupRefundState.Pending:
+                                refunds[key] = Object.assign({ type: RefundState.Pending }, common);
+                                break;
+                        }
+                    }
+                    let abortStatus;
+                    switch (backupPurchase.abort_status) {
+                        case "abort-finished":
+                            abortStatus = AbortStatus.AbortFinished;
+                            break;
+                        case "abort-refund":
+                            abortStatus = AbortStatus.AbortRefund;
+                            break;
+                        case undefined:
+                            abortStatus = AbortStatus.None;
+                            break;
+                        default:
+                            logger$e.warn(`got backup purchase abort_status ${j2s(backupPurchase.abort_status)}`);
+                            throw Error("not reachable");
+                    }
+                    const parsedContractTerms = codecForContractTerms().decode(backupPurchase.contract_terms_raw);
+                    const amount = Amounts.parseOrThrow(parsedContractTerms.amount);
+                    const contractTermsHash = cryptoComp.proposalIdToContractTermsHash[backupPurchase.proposal_id];
+                    let maxWireFee;
+                    if (parsedContractTerms.max_wire_fee) {
+                        maxWireFee = Amounts.parseOrThrow(parsedContractTerms.max_wire_fee);
+                    }
+                    else {
+                        maxWireFee = Amounts.getZero(amount.currency);
+                    }
+                    const download = {
+                        contractData: {
+                            amount,
+                            contractTermsHash: contractTermsHash,
+                            fulfillmentUrl: (_e = parsedContractTerms.fulfillment_url) !== null && _e !== void 0 ? _e : "",
+                            merchantBaseUrl: parsedContractTerms.merchant_base_url,
+                            merchantPub: parsedContractTerms.merchant_pub,
+                            merchantSig: backupPurchase.merchant_sig,
+                            orderId: parsedContractTerms.order_id,
+                            summary: parsedContractTerms.summary,
+                            autoRefund: parsedContractTerms.auto_refund,
+                            maxWireFee,
+                            payDeadline: parsedContractTerms.pay_deadline,
+                            refundDeadline: parsedContractTerms.refund_deadline,
+                            wireFeeAmortization: parsedContractTerms.wire_fee_amortization || 1,
+                            allowedAuditors: parsedContractTerms.auditors.map((x) => ({
+                                auditorBaseUrl: x.url,
+                                auditorPub: x.auditor_pub,
+                            })),
+                            allowedExchanges: parsedContractTerms.exchanges.map((x) => ({
+                                exchangeBaseUrl: x.url,
+                                exchangePub: x.master_pub,
+                            })),
+                            timestamp: parsedContractTerms.timestamp,
+                            wireMethod: parsedContractTerms.wire_method,
+                            wireInfoHash: parsedContractTerms.h_wire,
+                            maxDepositFee: Amounts.parseOrThrow(parsedContractTerms.max_fee),
+                            merchant: parsedContractTerms.merchant,
+                            products: parsedContractTerms.products,
+                            summaryI18n: parsedContractTerms.summary_i18n,
+                        },
+                        contractTermsRaw: backupPurchase.contract_terms_raw,
+                    };
+                    yield tx.put(Stores.purchases, {
+                        proposalId: backupPurchase.proposal_id,
+                        noncePriv: backupPurchase.nonce_priv,
+                        noncePub: cryptoComp.proposalNoncePrivToPub[backupPurchase.nonce_priv],
+                        lastPayError: undefined,
+                        autoRefundDeadline: { t_ms: "never" },
+                        refundStatusRetryInfo: initRetryInfo(false),
+                        lastRefundStatusError: undefined,
+                        timestampAccept: backupPurchase.timestamp_accept,
+                        timestampFirstSuccessfulPay: backupPurchase.timestamp_first_successful_pay,
+                        timestampLastRefundStatus: undefined,
+                        merchantPaySig: backupPurchase.merchant_pay_sig,
+                        lastSessionId: undefined,
+                        abortStatus,
+                        // FIXME!
+                        payRetryInfo: initRetryInfo(false),
+                        download,
+                        paymentSubmitPending: !backupPurchase.timestamp_first_successful_pay,
+                        refundQueryRequested: false,
+                        payCoinSelection: yield recoverPayCoinSelection(tx, download.contractData, backupPurchase),
+                        coinDepositPermissions: undefined,
+                        totalPayCost: Amounts.parseOrThrow(backupPurchase.total_pay_cost),
+                        refunds,
+                    });
+                }
+            }
+            for (const backupRefreshGroup of backupBlob.refresh_groups) {
+                const existingRg = yield tx.get(Stores.refreshGroups, backupRefreshGroup.refresh_group_id);
+                if (!existingRg) {
+                    let reason;
+                    switch (backupRefreshGroup.reason) {
+                        case BackupRefreshReason.AbortPay:
+                            reason = RefreshReason.AbortPay;
+                            break;
+                        case BackupRefreshReason.BackupRestored:
+                            reason = RefreshReason.BackupRestored;
+                            break;
+                        case BackupRefreshReason.Manual:
+                            reason = RefreshReason.Manual;
+                            break;
+                        case BackupRefreshReason.Pay:
+                            reason = RefreshReason.Pay;
+                            break;
+                        case BackupRefreshReason.Recoup:
+                            reason = RefreshReason.Recoup;
+                            break;
+                        case BackupRefreshReason.Refund:
+                            reason = RefreshReason.Refund;
+                            break;
+                        case BackupRefreshReason.Scheduled:
+                            reason = RefreshReason.Scheduled;
+                            break;
+                    }
+                    const refreshSessionPerCoin = [];
+                    for (const oldCoin of backupRefreshGroup.old_coins) {
+                        const c = yield tx.get(Stores.coins, oldCoin.coin_pub);
+                        checkBackupInvariant(!!c);
+                        if (oldCoin.refresh_session) {
+                            const denomSel = yield getDenomSelStateFromBackup(tx, c.exchangeBaseUrl, oldCoin.refresh_session.new_denoms);
+                            refreshSessionPerCoin.push({
+                                sessionSecretSeed: oldCoin.refresh_session.session_secret_seed,
+                                norevealIndex: oldCoin.refresh_session.noreveal_index,
+                                newDenoms: oldCoin.refresh_session.new_denoms.map((x) => ({
+                                    count: x.count,
+                                    denomPubHash: x.denom_pub_hash,
+                                })),
+                                amountRefreshOutput: denomSel.totalCoinValue,
+                            });
+                        }
+                        else {
+                            refreshSessionPerCoin.push(undefined);
+                        }
+                    }
+                    yield tx.put(Stores.refreshGroups, {
+                        timestampFinished: backupRefreshGroup.timestamp_finish,
+                        timestampCreated: backupRefreshGroup.timestamp_created,
+                        refreshGroupId: backupRefreshGroup.refresh_group_id,
+                        reason,
+                        lastError: undefined,
+                        lastErrorPerCoin: {},
+                        oldCoinPubs: backupRefreshGroup.old_coins.map((x) => x.coin_pub),
+                        finishedPerCoin: backupRefreshGroup.old_coins.map((x) => x.finished),
+                        inputPerCoin: backupRefreshGroup.old_coins.map((x) => Amounts.parseOrThrow(x.input_amount)),
+                        estimatedOutputPerCoin: backupRefreshGroup.old_coins.map((x) => Amounts.parseOrThrow(x.estimated_output_amount)),
+                        refreshSessionPerCoin,
+                        retryInfo: initRetryInfo(false),
+                    });
+                }
+            }
+            for (const backupTip of backupBlob.tips) {
+                const existingTip = yield tx.get(Stores.tips, backupTip.wallet_tip_id);
+                if (!existingTip) {
+                    const denomsSel = yield getDenomSelStateFromBackup(tx, backupTip.exchange_base_url, backupTip.selected_denoms);
+                    yield tx.put(Stores.tips, {
+                        acceptedTimestamp: backupTip.timestamp_accepted,
+                        createdTimestamp: backupTip.timestamp_created,
+                        denomsSel,
+                        exchangeBaseUrl: backupTip.exchange_base_url,
+                        lastError: undefined,
+                        merchantBaseUrl: backupTip.exchange_base_url,
+                        merchantTipId: backupTip.merchant_tip_id,
+                        pickedUpTimestamp: backupTip.timestamp_finished,
+                        retryInfo: initRetryInfo(false),
+                        secretSeed: backupTip.secret_seed,
+                        tipAmountEffective: denomsSel.totalCoinValue,
+                        tipAmountRaw: Amounts.parseOrThrow(backupTip.tip_amount_raw),
+                        tipExpiration: backupTip.timestamp_expiration,
+                        walletTipId: backupTip.wallet_tip_id,
+                    });
+                }
+            }
+        }));
+    });
+}
+function deriveAccountKeyPair(bc, providerUrl) {
+    const privateKey = kdf(32, decodeCrock(bc.walletRootPriv), stringToBytes("taler-sync-account-key-salt"), stringToBytes(providerUrl));
+    return {
+        eddsaPriv: privateKey,
+        eddsaPub: eddsaGetPublic(privateKey),
+    };
+}
+function deriveBlobSecret(bc) {
+    return kdf(32, decodeCrock(bc.walletRootPriv), stringToBytes("taler-sync-blob-secret-salt"), stringToBytes("taler-sync-blob-secret-info"));
+}
+/**
+ * Do one backup cycle that consists of:
+ * 1. Exporting a backup and try to upload it.
+ *    Stop if this step succeeds.
+ * 2. Download, verify and import backups from connected sync accounts.
+ * 3. Upload the updated backup blob.
+ */
+function runBackupCycle(ws) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const providers = yield ws.db.iter(Stores.backupProviders).toArray();
+        logger$e.trace("got backup providers", providers);
+        const backupJson = yield exportBackup(ws);
+        const backupConfig = yield provideBackupState(ws);
+        const encBackup = yield encryptBackup(backupConfig, backupJson);
+        const currentBackupHash = hash$1(encBackup);
+        for (const provider of providers) {
+            const accountKeyPair = deriveAccountKeyPair(backupConfig, provider.baseUrl);
+            logger$e.trace(`trying to upload backup to ${provider.baseUrl}`);
+            const syncSig = yield ws.cryptoApi.makeSyncSignature({
+                newHash: encodeCrock(currentBackupHash),
+                oldHash: provider.lastBackupHash,
+                accountPriv: encodeCrock(accountKeyPair.eddsaPriv),
+            });
+            logger$e.trace(`sync signature is ${syncSig}`);
+            const accountBackupUrl = new URL(`/backups/${encodeCrock(accountKeyPair.eddsaPub)}`, provider.baseUrl);
+            const resp = yield ws.http.fetch(accountBackupUrl.href, {
+                method: "POST",
+                body: encBackup,
+                headers: Object.assign({ "content-type": "application/octet-stream", "sync-signature": syncSig, "if-none-match": encodeCrock(currentBackupHash) }, (provider.lastBackupHash
+                    ? {
+                        "if-match": provider.lastBackupHash,
+                    }
+                    : {})),
+            });
+            logger$e.trace(`response status: ${resp.status}`);
+            if (resp.status === HttpResponseStatus.PaymentRequired) {
+                logger$e.trace("payment required for backup");
+                logger$e.trace(`headers: ${j2s(resp.headers)}`);
+                const talerUri = resp.headers.get("taler");
+                if (!talerUri) {
+                    throw Error("no taler URI available to pay provider");
+                }
+                const res = yield preparePayForUri(ws, talerUri);
+                let proposalId;
+                switch (res.status) {
+                    case PreparePayResultType.InsufficientBalance:
+                        // FIXME: record in provider state!
+                        logger$e.warn("insufficient balance to pay for backup provider");
+                        break;
+                    case PreparePayResultType.PaymentPossible:
+                    case PreparePayResultType.AlreadyConfirmed:
+                        proposalId = res.proposalId;
+                        break;
+                }
+                if (!proposalId) {
+                    continue;
+                }
+                const p = proposalId;
+                yield ws.db.runWithWriteTransaction([Stores.backupProviders], (tx) => __awaiter(this, void 0, void 0, function* () {
+                    const provRec = yield tx.get(Stores.backupProviders, provider.baseUrl);
+                    checkDbInvariant(!!provRec);
+                    const ids = new Set(provRec.paymentProposalIds);
+                    ids.add(p);
+                    provRec.paymentProposalIds = Array.from(ids);
+                    yield tx.put(Stores.backupProviders, provRec);
+                }));
+                const confirmRes = yield confirmPay(ws, proposalId);
+                switch (confirmRes.type) {
+                    case ConfirmPayResultType.Pending:
+                        logger$e.warn("payment not yet finished yet");
+                        break;
+                }
+            }
+            if (resp.status === HttpResponseStatus.NoContent) {
+                yield ws.db.runWithWriteTransaction([Stores.backupProviders], (tx) => __awaiter(this, void 0, void 0, function* () {
+                    const prov = yield tx.get(Stores.backupProviders, provider.baseUrl);
+                    if (!prov) {
+                        return;
+                    }
+                    prov.lastBackupHash = encodeCrock(currentBackupHash);
+                    prov.lastBackupTimestamp = getTimestampNow();
+                    prov.lastBackupClock =
+                        backupJson.clocks[backupJson.current_device_id];
+                    yield tx.put(Stores.backupProviders, prov);
+                }));
+                continue;
+            }
+            if (resp.status === HttpResponseStatus.Conflict) {
+                logger$e.info("conflicting backup found");
+                const backupEnc = new Uint8Array(yield resp.bytes());
+                const backupConfig = yield provideBackupState(ws);
+                const blob = yield decryptBackup(backupConfig, backupEnc);
+                const cryptoData = yield computeBackupCryptoData(ws.cryptoApi, blob);
+                yield importBackup(ws, blob, cryptoData);
+                yield ws.db.runWithWriteTransaction([Stores.backupProviders], (tx) => __awaiter(this, void 0, void 0, function* () {
+                    const prov = yield tx.get(Stores.backupProviders, provider.baseUrl);
+                    if (!prov) {
+                        return;
+                    }
+                    prov.lastBackupHash = encodeCrock(hash$1(backupEnc));
+                    prov.lastBackupClock = blob.clocks[blob.current_device_id];
+                    prov.lastBackupTimestamp = getTimestampNow();
+                    yield tx.put(Stores.backupProviders, prov);
+                }));
+                logger$e.info("processed existing backup");
+            }
+        }
+    });
+}
+const codecForSyncTermsOfServiceResponse = () => buildCodecForObject()
+    .property("storage_limit_in_megabytes", codecForNumber())
+    .property("annual_fee", codecForAmountString())
+    .property("version", codecForString())
+    .build("SyncTermsOfServiceResponse");
+const codecForAddBackupProviderRequest = () => buildCodecForObject()
+    .property("backupProviderBaseUrl", codecForString())
+    .build("AddBackupProviderRequest");
+function addBackupProvider(ws, req) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield provideBackupState(ws);
+        const canonUrl = canonicalizeBaseUrl(req.backupProviderBaseUrl);
+        const oldProv = yield ws.db.get(Stores.backupProviders, canonUrl);
+        if (oldProv) {
+            if (req.activate) {
+                oldProv.active = true;
+                yield ws.db.put(Stores.backupProviders, oldProv);
+            }
+            return;
+        }
+        const termsUrl = new URL("terms", canonUrl);
+        const resp = yield ws.http.get(termsUrl.href);
+        const terms = yield readSuccessResponseJsonOrThrow(resp, codecForSyncTermsOfServiceResponse());
+        yield ws.db.put(Stores.backupProviders, {
+            active: !!req.activate,
+            terms: {
+                annualFee: terms.annual_fee,
+                storageLimitInMegabytes: terms.storage_limit_in_megabytes,
+                supportedProtocolVersion: terms.version,
+            },
+            paymentProposalIds: [],
+            baseUrl: canonUrl,
+            lastError: undefined,
+            retryInfo: initRetryInfo(false),
+        });
+    });
+}
+function importBackupPlain(ws, blob) {
+    return __awaiter(this, void 0, void 0, function* () {
+        // FIXME: parse
+        const backup = blob;
+        const cryptoData = yield computeBackupCryptoData(ws.cryptoApi, backup);
+        yield importBackup(ws, blob, cryptoData);
+    });
+}
+/**
+ * Get information about the current state of wallet backups.
+ */
+function getBackupInfo(ws) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const backupConfig = yield provideBackupState(ws);
+        const providers = yield ws.db.iter(Stores.backupProviders).toArray();
+        return {
+            deviceId: backupConfig.deviceId,
+            lastLocalClock: backupConfig.clocks[backupConfig.deviceId],
+            walletRootPub: backupConfig.walletRootPub,
+            providers: providers.map((x) => ({
+                active: x.active,
+                lastRemoteClock: x.lastBackupClock,
+                syncProviderBaseUrl: x.baseUrl,
+                lastBackupTimestamp: x.lastBackupTimestamp,
+                paymentProposalIds: x.paymentProposalIds,
+            })),
+        };
+    });
+}
+/**
+ * Get information about the current state of wallet backups.
+ */
+function getBackupRecovery(ws) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const bs = yield provideBackupState(ws);
+        const providers = yield ws.db.iter(Stores.backupProviders).toArray();
+        return {
+            providers: providers
+                .filter((x) => x.active)
+                .map((x) => {
+                return {
+                    url: x.baseUrl,
+                };
+            }),
+            walletRootPriv: bs.walletRootPriv,
+        };
+    });
+}
+function backupRecoveryTheirs(ws, br) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield ws.db.runWithWriteTransaction([Stores.config, Stores.backupProviders], (tx) => __awaiter(this, void 0, void 0, function* () {
+            let backupStateEntry = yield tx.get(Stores.config, WALLET_BACKUP_STATE_KEY);
+            checkDbInvariant(!!backupStateEntry);
+            backupStateEntry.value.lastBackupNonce = undefined;
+            backupStateEntry.value.lastBackupTimestamp = undefined;
+            backupStateEntry.value.lastBackupCheckTimestamp = undefined;
+            backupStateEntry.value.lastBackupPlainHash = undefined;
+            backupStateEntry.value.walletRootPriv = br.walletRootPriv;
+            backupStateEntry.value.walletRootPub = encodeCrock(eddsaGetPublic(decodeCrock(br.walletRootPriv)));
+            yield tx.put(Stores.config, backupStateEntry);
+            for (const prov of br.providers) {
+                const existingProv = yield tx.get(Stores.backupProviders, prov.url);
+                if (!existingProv) {
+                    yield tx.put(Stores.backupProviders, {
+                        active: true,
+                        baseUrl: prov.url,
+                        paymentProposalIds: [],
+                        retryInfo: initRetryInfo(false),
+                        lastError: undefined,
+                    });
+                }
+            }
+            const providers = yield tx.iter(Stores.backupProviders).toArray();
+            for (const prov of providers) {
+                prov.lastBackupTimestamp = undefined;
+                prov.lastBackupHash = undefined;
+                prov.lastBackupClock = undefined;
+                yield tx.put(Stores.backupProviders, prov);
+            }
+        }));
+    });
+}
+function backupRecoveryOurs(ws, br) {
+    return __awaiter(this, void 0, void 0, function* () {
+        throw Error("not implemented");
+    });
+}
+function loadBackupRecovery(ws, br) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const bs = yield provideBackupState(ws);
+        const providers = yield ws.db.iter(Stores.backupProviders).toArray();
+        let strategy = br.strategy;
+        if (br.recovery.walletRootPriv != bs.walletRootPriv &&
+            providers.length > 0 &&
+            !strategy) {
+            throw Error("recovery load strategy must be specified for wallet with existing providers");
+        }
+        else if (!strategy) {
+            // Default to using the new key if we don't have providers yet.
+            strategy = RecoveryMergeStrategy.Theirs;
+        }
+        if (strategy === RecoveryMergeStrategy.Theirs) {
+            return backupRecoveryTheirs(ws, br.recovery);
+        }
+        else {
+            return backupRecoveryOurs(ws, br.recovery);
+        }
+    });
+}
+function exportBackupEncrypted(ws) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield provideBackupState(ws);
+        const blob = yield exportBackup(ws);
+        const bs = yield ws.db.runWithWriteTransaction([Stores.config], (tx) => __awaiter(this, void 0, void 0, function* () {
+            return yield getWalletBackupState(ws, tx);
+        }));
+        return encryptBackup(bs, blob);
+    });
+}
+function decryptBackup(backupConfig, data) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const rMagic = bytesToString(data.slice(0, 8));
+        if (rMagic != magic) {
+            throw Error("invalid backup file (magic tag mismatch)");
+        }
+        const nonce = data.slice(8, 8 + 24);
+        const box = data.slice(8 + 24);
+        const secret = deriveBlobSecret(backupConfig);
+        const dataCompressed = secretbox_open(box, nonce, secret);
+        if (!dataCompressed) {
+            throw Error("decryption failed");
+        }
+        return JSON.parse(bytesToString(gunzipSync(dataCompressed)));
+    });
+}
+function importBackupEncrypted(ws, data) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const backupConfig = yield provideBackupState(ws);
+        const blob = yield decryptBackup(backupConfig, data);
+        const cryptoData = yield computeBackupCryptoData(ws.cryptoApi, blob);
+        yield importBackup(ws, blob, cryptoData);
+    });
+}
+
+/*
+ This file is part of GNU Taler
+ (C) 2021 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+/**
+ * Logger.
+ */
+const logger$f = new Logger("deposits.ts");
+const codecForDepositSuccess = () => buildCodecForObject()
+    .property("exchange_pub", codecForString())
+    .property("exchange_sig", codecForString())
+    .property("exchange_timestamp", codecForTimestamp)
+    .property("transaction_base_url", codecOptional(codecForString()))
+    .build("DepositSuccess");
+function hashWire(paytoUri, salt) {
+    const r = kdf(64, stringToBytes(paytoUri + "\0"), stringToBytes(salt + "\0"), stringToBytes("merchant-wire-signature"));
+    return encodeCrock(r);
+}
+function resetDepositGroupRetry(ws, depositGroupId) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield ws.db.mutate(Stores.depositGroups, depositGroupId, (x) => {
+            if (x.retryInfo.active) {
+                x.retryInfo = initRetryInfo();
+            }
+            return x;
+        });
+    });
+}
+function incrementDepositRetry(ws, depositGroupId, err) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield ws.db.runWithWriteTransaction([Stores.depositGroups], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const r = yield tx.get(Stores.depositGroups, depositGroupId);
+            if (!r) {
+                return;
+            }
+            if (!r.retryInfo) {
+                return;
+            }
+            r.retryInfo.retryCounter++;
+            updateRetryInfoTimeout(r.retryInfo);
+            r.lastError = err;
+            yield tx.put(Stores.depositGroups, r);
+        }));
+        if (err) {
+            ws.notify({ type: NotificationType.DepositOperationError, error: err });
+        }
+    });
+}
+function processDepositGroup(ws, depositGroupId, forceNow = false) {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield ws.memoProcessDeposit.memo(depositGroupId, () => __awaiter(this, void 0, void 0, function* () {
+            const onOpErr = (e) => incrementDepositRetry(ws, depositGroupId, e);
+            return yield guardOperationException(() => __awaiter(this, void 0, void 0, function* () { return yield processDepositGroupImpl(ws, depositGroupId, forceNow); }), onOpErr);
+        }));
+    });
+}
+function processDepositGroupImpl(ws, depositGroupId, forceNow = false) {
+    return __awaiter(this, void 0, void 0, function* () {
+        if (forceNow) {
+            yield resetDepositGroupRetry(ws, depositGroupId);
+        }
+        const depositGroup = yield ws.db.get(Stores.depositGroups, depositGroupId);
+        if (!depositGroup) {
+            logger$f.warn(`deposit group ${depositGroupId} not found`);
+            return;
+        }
+        if (depositGroup.timestampFinished) {
+            logger$f.trace(`deposit group ${depositGroupId} already finished`);
+            return;
+        }
+        const contractData = extractContractData(depositGroup.contractTermsRaw, depositGroup.contractTermsHash, "");
+        const depositPermissions = yield generateDepositPermissions(ws, depositGroup.payCoinSelection, contractData);
+        for (let i = 0; i < depositPermissions.length; i++) {
+            if (depositGroup.depositedPerCoin[i]) {
+                continue;
+            }
+            const perm = depositPermissions[i];
+            const url = new URL(`/coins/${perm.coin_pub}/deposit`, perm.exchange_url);
+            const httpResp = yield ws.http.postJson(url.href, {
+                contribution: Amounts.stringify(perm.contribution),
+                wire: depositGroup.wire,
+                h_wire: depositGroup.contractTermsRaw.h_wire,
+                h_contract_terms: depositGroup.contractTermsHash,
+                ub_sig: perm.ub_sig,
+                timestamp: depositGroup.contractTermsRaw.timestamp,
+                wire_transfer_deadline: depositGroup.contractTermsRaw.wire_transfer_deadline,
+                refund_deadline: depositGroup.contractTermsRaw.refund_deadline,
+                coin_sig: perm.coin_sig,
+                denom_pub_hash: perm.h_denom,
+                merchant_pub: depositGroup.merchantPub,
+            });
+            yield readSuccessResponseJsonOrThrow(httpResp, codecForDepositSuccess());
+            yield ws.db.runWithWriteTransaction([Stores.depositGroups], (tx) => __awaiter(this, void 0, void 0, function* () {
+                const dg = yield tx.get(Stores.depositGroups, depositGroupId);
+                if (!dg) {
+                    return;
+                }
+                dg.depositedPerCoin[i] = true;
+                yield tx.put(Stores.depositGroups, dg);
+            }));
+        }
+        yield ws.db.runWithWriteTransaction([Stores.depositGroups], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const dg = yield tx.get(Stores.depositGroups, depositGroupId);
+            if (!dg) {
+                return;
+            }
+            let allDeposited = true;
+            for (const d of depositGroup.depositedPerCoin) {
+                if (!d) {
+                    allDeposited = false;
+                }
+            }
+            if (allDeposited) {
+                dg.timestampFinished = getTimestampNow();
+                yield tx.put(Stores.depositGroups, dg);
+            }
+        }));
+    });
+}
+function trackDepositGroup(ws, req) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const responses = [];
+        const depositGroup = yield ws.db.get(Stores.depositGroups, req.depositGroupId);
+        if (!depositGroup) {
+            throw Error("deposit group not found");
+        }
+        const contractData = extractContractData(depositGroup.contractTermsRaw, depositGroup.contractTermsHash, "");
+        const depositPermissions = yield generateDepositPermissions(ws, depositGroup.payCoinSelection, contractData);
+        const wireHash = depositGroup.contractTermsRaw.h_wire;
+        for (const dp of depositPermissions) {
+            const url = new URL(`/deposits/${wireHash}/${depositGroup.merchantPub}/${depositGroup.contractTermsHash}/${dp.coin_pub}`, dp.exchange_url);
+            const sig = yield ws.cryptoApi.signTrackTransaction({
+                coinPub: dp.coin_pub,
+                contractTermsHash: depositGroup.contractTermsHash,
+                merchantPriv: depositGroup.merchantPriv,
+                merchantPub: depositGroup.merchantPub,
+                wireHash,
+            });
+            url.searchParams.set("merchant_sig", sig);
+            const httpResp = yield ws.http.get(url.href);
+            const body = yield httpResp.json();
+            responses.push({
+                body,
+                status: httpResp.status,
+            });
+        }
+        return {
+            responses,
+        };
+    });
+}
+function createDepositGroup(ws, req) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const p = parsePaytoUri(req.depositPaytoUri);
+        if (!p) {
+            throw Error("invalid payto URI");
+        }
+        const amount = Amounts.parseOrThrow(req.amount);
+        const allExchanges = yield ws.db.iter(Stores.exchanges).toArray();
+        const exchangeInfos = [];
+        for (const e of allExchanges) {
+            if (!e.details) {
+                continue;
+            }
+            if (e.details.currency != amount.currency) {
+                continue;
+            }
+            exchangeInfos.push({
+                master_pub: e.details.masterPublicKey,
+                url: e.baseUrl,
+            });
+        }
+        const timestamp = getTimestampNow();
+        const timestampRound = timestampTruncateToSecond(timestamp);
+        const noncePair = yield ws.cryptoApi.createEddsaKeypair();
+        const merchantPair = yield ws.cryptoApi.createEddsaKeypair();
+        const wireSalt = encodeCrock(getRandomBytes(64));
+        const wireHash = hashWire(req.depositPaytoUri, wireSalt);
+        const contractTerms = {
+            auditors: [],
+            exchanges: exchangeInfos,
+            amount: req.amount,
+            max_fee: Amounts.stringify(amount),
+            max_wire_fee: Amounts.stringify(amount),
+            wire_method: p.targetType,
+            timestamp: timestampRound,
+            merchant_base_url: "",
+            summary: "",
+            nonce: noncePair.pub,
+            wire_transfer_deadline: timestampRound,
+            order_id: "",
+            h_wire: wireHash,
+            pay_deadline: timestampAddDuration(timestampRound, durationFromSpec({ hours: 1 })),
+            merchant: {
+                name: "",
+            },
+            merchant_pub: merchantPair.pub,
+            refund_deadline: { t_ms: 0 },
+        };
+        const contractTermsHash = yield ws.cryptoApi.hashString(canonicalJson(contractTerms));
+        const contractData = extractContractData(contractTerms, contractTermsHash, "");
+        const payCoinSel = yield getCoinsForPayment(ws, contractData);
+        if (!payCoinSel) {
+            throw Error("insufficient funds");
+        }
+        const totalDepositCost = yield getTotalPaymentCost(ws, payCoinSel);
+        const depositGroupId = encodeCrock(getRandomBytes(32));
+        const effectiveDepositAmount = yield getEffectiveDepositAmount(ws, p.targetType, payCoinSel);
+        const depositGroup = {
+            contractTermsHash,
+            contractTermsRaw: contractTerms,
+            depositGroupId,
+            noncePriv: noncePair.priv,
+            noncePub: noncePair.pub,
+            timestampCreated: timestamp,
+            timestampFinished: undefined,
+            payCoinSelection: payCoinSel,
+            depositedPerCoin: payCoinSel.coinPubs.map((x) => false),
+            merchantPriv: merchantPair.priv,
+            merchantPub: merchantPair.pub,
+            totalPayCost: totalDepositCost,
+            effectiveDepositAmount,
+            wire: {
+                payto_uri: req.depositPaytoUri,
+                salt: wireSalt,
+            },
+            retryInfo: initRetryInfo(true),
+            lastError: undefined,
+        };
+        yield ws.db.runWithWriteTransaction([
+            Stores.depositGroups,
+            Stores.coins,
+            Stores.refreshGroups,
+            Stores.denominations,
+        ], (tx) => __awaiter(this, void 0, void 0, function* () {
+            yield applyCoinSpend(ws, tx, payCoinSel);
+            yield tx.put(Stores.depositGroups, depositGroup);
+        }));
+        yield ws.db.put(Stores.depositGroups, depositGroup);
+        return { depositGroupId };
+    });
+}
+
+/*
+ This file is part of GNU Taler
+ (C) 2015-2019 GNUnet e.V.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+const builtinCurrencies = [
+    {
+        auditors: [
+            {
+                auditorPub: "BW9DC48PHQY4NH011SHHX36DZZ3Q22Y6X7FZ1VD1CMZ2PTFZ6PN0",
+                baseUrl: "https://auditor.demo.taler.net/",
+                expirationStamp: new Date(2027, 1).getTime(),
+            },
+        ],
+        exchanges: [],
+        fractionalDigits: 2,
+        name: "KUDOS",
+    },
+];
+const logger$g = new Logger("wallet.ts");
+/**
+ * The platform-independent wallet implementation.
+ */
+class Wallet {
+    constructor(db, http, cryptoWorkerFactory) {
+        this.timerGroup = new TimerGroup();
+        this.latch = new AsyncCondition();
+        this.stopped = false;
+        this.memoRunRetryLoop = new AsyncOpMemoSingle();
+        this.ws = new InternalWalletState(db, http, cryptoWorkerFactory);
+    }
+    get db() {
+        return this.ws.db;
+    }
+    getExchangePaytoUri(exchangeBaseUrl, supportedTargetTypes) {
+        return getExchangePaytoUri(this.ws, exchangeBaseUrl, supportedTargetTypes);
+    }
+    getWithdrawalDetailsForAmount(exchangeBaseUrl, amount) {
+        var _a;
+        return __awaiter(this, void 0, void 0, function* () {
+            const wi = yield getExchangeWithdrawalInfo(this.ws, exchangeBaseUrl, amount);
+            const paytoUris = (_a = wi.exchangeInfo.wireInfo) === null || _a === void 0 ? void 0 : _a.accounts.map((x) => x.payto_uri);
+            if (!paytoUris) {
+                throw Error("exchange is in invalid state");
+            }
+            return {
+                amountRaw: Amounts.stringify(amount),
+                amountEffective: Amounts.stringify(wi.selectedDenoms.totalCoinValue),
+                paytoUris,
+                tosAccepted: wi.termsOfServiceAccepted,
+            };
+        });
+    }
+    addNotificationListener(f) {
+        this.ws.addNotificationListener(f);
+    }
+    /**
+     * Execute one operation based on the pending operation info record.
+     */
+    processOnePendingOperation(pending, forceNow = false) {
+        return __awaiter(this, void 0, void 0, function* () {
+            logger$g.trace(`running pending ${JSON.stringify(pending, undefined, 2)}`);
+            switch (pending.type) {
+                case PendingOperationType.Bug:
+                    // Nothing to do, will just be displayed to the user
+                    return;
+                case PendingOperationType.ExchangeUpdate:
+                    yield updateExchangeFromUrl(this.ws, pending.exchangeBaseUrl, forceNow);
+                    break;
+                case PendingOperationType.Refresh:
+                    yield processRefreshGroup(this.ws, pending.refreshGroupId, forceNow);
+                    break;
+                case PendingOperationType.Reserve:
+                    yield processReserve(this.ws, pending.reservePub, forceNow);
+                    break;
+                case PendingOperationType.Withdraw:
+                    yield processWithdrawGroup(this.ws, pending.withdrawalGroupId, forceNow);
+                    break;
+                case PendingOperationType.ProposalChoice:
+                    // Nothing to do, user needs to accept/reject
+                    break;
+                case PendingOperationType.ProposalDownload:
+                    yield processDownloadProposal(this.ws, pending.proposalId, forceNow);
+                    break;
+                case PendingOperationType.TipChoice:
+                    // Nothing to do, user needs to accept/reject
+                    break;
+                case PendingOperationType.TipPickup:
+                    yield processTip(this.ws, pending.tipId, forceNow);
+                    break;
+                case PendingOperationType.Pay:
+                    yield processPurchasePay(this.ws, pending.proposalId, forceNow);
+                    break;
+                case PendingOperationType.RefundQuery:
+                    yield processPurchaseQueryRefund(this.ws, pending.proposalId, forceNow);
+                    break;
+                case PendingOperationType.Recoup:
+                    yield processRecoupGroup(this.ws, pending.recoupGroupId, forceNow);
+                    break;
+                case PendingOperationType.ExchangeCheckRefresh:
+                    yield autoRefresh(this.ws, pending.exchangeBaseUrl);
+                    break;
+                case PendingOperationType.Deposit:
+                    yield processDepositGroup(this.ws, pending.depositGroupId);
+                    break;
+                default:
+                    assertUnreachable();
+            }
+        });
+    }
+    /**
+     * Process pending operations.
+     */
+    runPending(forceNow = false) {
+        return __awaiter(this, void 0, void 0, function* () {
+            const onlyDue = !forceNow;
+            const pendingOpsResponse = yield this.getPendingOperations({ onlyDue });
+            for (const p of pendingOpsResponse.pendingOperations) {
+                try {
+                    yield this.processOnePendingOperation(p, forceNow);
+                }
+                catch (e) {
+                    if (e instanceof OperationFailedAndReportedError) {
+                        console.error("Operation failed:", JSON.stringify(e.operationError, undefined, 2));
+                    }
+                    else {
+                        console.error(e);
+                    }
+                }
+            }
+        });
+    }
+    /**
+     * Run the wallet until there are no more pending operations that give
+     * liveness left.  The wallet will be in a stopped state when this function
+     * returns without resolving to an exception.
+     */
+    runUntilDone(req = {}) {
+        return __awaiter(this, void 0, void 0, function* () {
+            let done = false;
+            const p = new Promise((resolve, reject) => {
+                // Monitor for conditions that means we're done or we
+                // should quit with an error (due to exceeded retries).
+                this.addNotificationListener((n) => {
+                    if (done) {
+                        return;
+                    }
+                    if (n.type === NotificationType.WaitingForRetry &&
+                        n.numGivingLiveness == 0) {
+                        done = true;
+                        logger$g.trace("no liveness-giving operations left");
+                        resolve();
+                    }
+                    const maxRetries = req.maxRetries;
+                    if (!maxRetries) {
+                        return;
+                    }
+                    this.getPendingOperations({ onlyDue: false })
+                        .then((pending) => {
+                        for (const p of pending.pendingOperations) {
+                            if (p.retryInfo && p.retryInfo.retryCounter > maxRetries) {
+                                console.warn(`stopping, as ${maxRetries} retries are exceeded in an operation of type ${p.type}`);
+                                this.stop();
+                                done = true;
+                                resolve();
+                            }
+                        }
+                    })
+                        .catch((e) => {
+                        logger$g.error(e);
+                        reject(e);
+                    });
+                });
+                // Run this asynchronously
+                this.runRetryLoop().catch((e) => {
+                    logger$g.error("exception in wallet retry loop");
+                    reject(e);
+                });
+            });
+            yield p;
+        });
+    }
+    /**
+     * Process pending operations and wait for scheduled operations in
+     * a loop until the wallet is stopped explicitly.
+     */
+    runRetryLoop() {
+        return __awaiter(this, void 0, void 0, function* () {
+            // Make sure we only run one main loop at a time.
+            return this.memoRunRetryLoop.memo(() => __awaiter(this, void 0, void 0, function* () {
+                try {
+                    yield this.runRetryLoopImpl();
+                }
+                catch (e) {
+                    console.error("error during retry loop execution", e);
+                    throw e;
+                }
+            }));
+        });
+    }
+    runRetryLoopImpl() {
+        return __awaiter(this, void 0, void 0, function* () {
+            let iteration = 0;
+            for (; !this.stopped; iteration++) {
+                const pending = yield this.getPendingOperations({ onlyDue: true });
+                let numDueAndLive = 0;
+                for (const p of pending.pendingOperations) {
+                    if (p.givesLifeness) {
+                        numDueAndLive++;
+                    }
+                }
+                // Make sure that we run tasks that don't give lifeness at least
+                // one time.
+                if (iteration !== 0 && numDueAndLive === 0) {
+                    const allPending = yield this.getPendingOperations({ onlyDue: false });
+                    let numPending = 0;
+                    let numGivingLiveness = 0;
+                    for (const p of allPending.pendingOperations) {
+                        numPending++;
+                        if (p.givesLifeness) {
+                            numGivingLiveness++;
+                        }
+                    }
+                    let dt;
+                    if (allPending.pendingOperations.length === 0 ||
+                        allPending.nextRetryDelay.d_ms === Number.MAX_SAFE_INTEGER) {
+                        // Wait for 5 seconds
+                        dt = { d_ms: 5000 };
+                    }
+                    else {
+                        dt = durationMin({ d_ms: 5000 }, allPending.nextRetryDelay);
+                    }
+                    const timeout = this.timerGroup.resolveAfter(dt);
+                    this.ws.notify({
+                        type: NotificationType.WaitingForRetry,
+                        numGivingLiveness,
+                        numPending,
+                    });
+                    yield Promise.race([timeout, this.latch.wait()]);
+                }
+                else {
+                    // FIXME: maybe be a bit smarter about executing these
+                    // operations in parallel?
+                    logger$g.trace(`running ${pending.pendingOperations.length} pending operations`);
+                    for (const p of pending.pendingOperations) {
+                        try {
+                            yield this.processOnePendingOperation(p);
+                        }
+                        catch (e) {
+                            if (e instanceof OperationFailedAndReportedError) {
+                                logger$g.warn("operation processed resulted in reported error");
+                            }
+                            else {
+                                logger$g.error("Uncaught exception", e);
+                                this.ws.notify({
+                                    type: NotificationType.InternalError,
+                                    message: "uncaught exception",
+                                    exception: e,
+                                });
+                            }
+                        }
+                        this.ws.notify({
+                            type: NotificationType.PendingOperationProcessed,
+                        });
+                    }
+                }
+            }
+            logger$g.trace("exiting wallet retry loop");
+        });
+    }
+    /**
+     * Insert the hard-coded defaults for exchanges, coins and
+     * auditors into the database, unless these defaults have
+     * already been applied.
+     */
+    fillDefaults() {
+        return __awaiter(this, void 0, void 0, function* () {
+            yield this.db.runWithWriteTransaction([Stores.config, Stores.currencies], (tx) => __awaiter(this, void 0, void 0, function* () {
+                let applied = false;
+                yield tx.iter(Stores.config).forEach((x) => {
+                    if (x.key == "currencyDefaultsApplied" && x.value == true) {
+                        applied = true;
+                    }
+                });
+                if (!applied) {
+                    for (const c of builtinCurrencies) {
+                        yield tx.put(Stores.currencies, c);
+                    }
+                }
+            }));
+        });
+    }
+    /**
+     * Check if a payment for the given taler://pay/ URI is possible.
+     *
+     * If the payment is possible, the signature are already generated but not
+     * yet send to the merchant.
+     */
+    preparePayForUri(talerPayUri) {
+        return __awaiter(this, void 0, void 0, function* () {
+            return preparePayForUri(this.ws, talerPayUri);
+        });
+    }
+    /**
+     * Add a contract to the wallet and sign coins, and send them.
+     */
+    confirmPay(proposalId, sessionIdOverride) {
+        return __awaiter(this, void 0, void 0, function* () {
+            try {
+                return yield confirmPay(this.ws, proposalId, sessionIdOverride);
+            }
+            finally {
+                this.latch.trigger();
+            }
+        });
+    }
+    /**
+     * First fetch information requred to withdraw from the reserve,
+     * then deplete the reserve, withdrawing coins until it is empty.
+     *
+     * The returned promise resolves once the reserve is set to the
+     * state DORMANT.
+     */
+    processReserve(reservePub) {
+        return __awaiter(this, void 0, void 0, function* () {
+            try {
+                return yield processReserve(this.ws, reservePub);
+            }
+            finally {
+                this.latch.trigger();
+            }
+        });
+    }
+    /**
+     * Create a reserve, but do not flag it as confirmed yet.
+     *
+     * Adds the corresponding exchange as a trusted exchange if it is neither
+     * audited nor trusted already.
+     */
+    acceptManualWithdrawal(exchangeBaseUrl, amount) {
+        return __awaiter(this, void 0, void 0, function* () {
+            try {
+                const resp = yield createReserve(this.ws, {
+                    amount,
+                    exchange: exchangeBaseUrl,
+                });
+                const exchangePaytoUris = yield this.db.runWithReadTransaction([Stores.exchanges, Stores.reserves], (tx) => getFundingPaytoUris(tx, resp.reservePub));
+                return {
+                    reservePub: resp.reservePub,
+                    exchangePaytoUris,
+                };
+            }
+            finally {
+                this.latch.trigger();
+            }
+        });
+    }
+    /**
+     * Check if and how an exchange is trusted and/or audited.
+     */
+    getExchangeTrust(exchangeInfo) {
+        return __awaiter(this, void 0, void 0, function* () {
+            return getExchangeTrust(this.ws, exchangeInfo);
+        });
+    }
+    getWithdrawalDetailsForUri(talerWithdrawUri) {
+        return __awaiter(this, void 0, void 0, function* () {
+            return getWithdrawalDetailsForUri(this.ws, talerWithdrawUri);
+        });
+    }
+    /**
+     * Update or add exchange DB entry by fetching the /keys and /wire information.
+     * Optionally link the reserve entry to the new or existing
+     * exchange entry in then DB.
+     */
+    updateExchangeFromUrl(baseUrl, force = false) {
+        return __awaiter(this, void 0, void 0, function* () {
+            try {
+                return updateExchangeFromUrl(this.ws, baseUrl, force);
+            }
+            finally {
+                this.latch.trigger();
+            }
+        });
+    }
+    getExchangeTos(exchangeBaseUrl) {
+        return __awaiter(this, void 0, void 0, function* () {
+            const exchange = yield this.updateExchangeFromUrl(exchangeBaseUrl);
+            const tos = exchange.termsOfServiceText;
+            const currentEtag = exchange.termsOfServiceLastEtag;
+            if (!tos || !currentEtag) {
+                throw Error("exchange is in invalid state");
+            }
+            return {
+                acceptedEtag: exchange.termsOfServiceAcceptedEtag,
+                currentEtag,
+                tos,
+            };
+        });
+    }
+    /**
+     * Get detailed balance information, sliced by exchange and by currency.
+     */
+    getBalances() {
+        return __awaiter(this, void 0, void 0, function* () {
+            return this.ws.memoGetBalance.memo(() => getBalances(this.ws));
+        });
+    }
+    refresh(oldCoinPub) {
+        return __awaiter(this, void 0, void 0, function* () {
+            try {
+                const refreshGroupId = yield this.db.runWithWriteTransaction([Stores.refreshGroups, Stores.denominations, Stores.coins], (tx) => __awaiter(this, void 0, void 0, function* () {
+                    return yield createRefreshGroup(this.ws, tx, [{ coinPub: oldCoinPub }], RefreshReason.Manual);
+                }));
+                yield processRefreshGroup(this.ws, refreshGroupId.refreshGroupId);
+            }
+            catch (e) {
+                this.latch.trigger();
+            }
+        });
+    }
+    findExchange(exchangeBaseUrl) {
+        return __awaiter(this, void 0, void 0, function* () {
+            return yield this.db.get(Stores.exchanges, exchangeBaseUrl);
+        });
+    }
+    getPendingOperations({ onlyDue = false } = {}) {
+        return __awaiter(this, void 0, void 0, function* () {
+            return this.ws.memoGetPending.memo(() => getPendingOperations(this.ws, { onlyDue }));
+        });
+    }
+    acceptExchangeTermsOfService(exchangeBaseUrl, etag) {
+        return __awaiter(this, void 0, void 0, function* () {
+            return acceptExchangeTermsOfService(this.ws, exchangeBaseUrl, etag);
+        });
+    }
+    getDenoms(exchangeUrl) {
+        return __awaiter(this, void 0, void 0, function* () {
+            const denoms = yield this.db
+                .iterIndex(Stores.denominations.exchangeBaseUrlIndex, exchangeUrl)
+                .toArray();
+            return denoms;
+        });
+    }
+    /**
+     * Get all exchanges known to the exchange.
+     *
+     * @deprecated Use getExchanges instead
+     */
+    getExchangeRecords() {
+        return __awaiter(this, void 0, void 0, function* () {
+            return yield this.db.iter(Stores.exchanges).toArray();
+        });
+    }
+    getExchanges() {
+        return __awaiter(this, void 0, void 0, function* () {
+            const exchanges = yield this.db
+                .iter(Stores.exchanges)
+                .map((x) => {
+                const details = x.details;
+                if (!details) {
+                    return undefined;
+                }
+                if (!x.addComplete) {
+                    return undefined;
+                }
+                if (!x.wireInfo) {
+                    return undefined;
+                }
+                return {
+                    exchangeBaseUrl: x.baseUrl,
+                    currency: details.currency,
+                    paytoUris: x.wireInfo.accounts.map((x) => x.payto_uri),
+                };
+            });
+            return {
+                exchanges: exchanges.filter((x) => !!x),
+            };
+        });
+    }
+    getCurrencies() {
+        return __awaiter(this, void 0, void 0, function* () {
+            return yield this.db.iter(Stores.currencies).toArray();
+        });
+    }
+    updateCurrency(currencyRecord) {
+        return __awaiter(this, void 0, void 0, function* () {
+            logger$g.trace("updating currency to", currencyRecord);
+            yield this.db.put(Stores.currencies, currencyRecord);
+        });
+    }
+    getReserves(exchangeBaseUrl) {
+        return __awaiter(this, void 0, void 0, function* () {
+            if (exchangeBaseUrl) {
+                return yield this.db
+                    .iter(Stores.reserves)
+                    .filter((r) => r.exchangeBaseUrl === exchangeBaseUrl);
+            }
+            else {
+                return yield this.db.iter(Stores.reserves).toArray();
+            }
+        });
+    }
+    getCoinsForExchange(exchangeBaseUrl) {
+        return __awaiter(this, void 0, void 0, function* () {
+            return yield this.db
+                .iter(Stores.coins)
+                .filter((c) => c.exchangeBaseUrl === exchangeBaseUrl);
+        });
+    }
+    getCoins() {
+        return __awaiter(this, void 0, void 0, function* () {
+            return yield this.db.iter(Stores.coins).toArray();
+        });
+    }
+    /**
+     * Stop ongoing processing.
+     */
+    stop() {
+        this.stopped = true;
+        this.timerGroup.stopCurrentAndFutureTimers();
+        this.ws.cryptoApi.stop();
+    }
+    /**
+     * Trigger paying coins back into the user's account.
+     */
+    returnCoins(req) {
+        return __awaiter(this, void 0, void 0, function* () {
+            throw Error("not implemented");
+        });
+    }
+    /**
+     * Accept a refund, return the contract hash for the contract
+     * that was involved in the refund.
+     */
+    applyRefund(talerRefundUri) {
+        return __awaiter(this, void 0, void 0, function* () {
+            return applyRefund(this.ws, talerRefundUri);
+        });
+    }
+    getPurchase(contractTermsHash) {
+        return __awaiter(this, void 0, void 0, function* () {
+            return this.db.get(Stores.purchases, contractTermsHash);
+        });
+    }
+    acceptTip(talerTipUri) {
+        return __awaiter(this, void 0, void 0, function* () {
+            try {
+                return acceptTip(this.ws, talerTipUri);
+            }
+            catch (e) {
+                this.latch.trigger();
+            }
+        });
+    }
+    prepareTip(talerTipUri) {
+        return __awaiter(this, void 0, void 0, function* () {
+            return prepareTip(this.ws, talerTipUri);
+        });
+    }
+    abortFailedPayWithRefund(proposalId) {
+        return __awaiter(this, void 0, void 0, function* () {
+            return abortFailedPayWithRefund(this.ws, proposalId);
+        });
+    }
+    /**
+     * Inform the wallet that the status of a reserve has changed (e.g. due to a
+     * confirmation from the bank.).
+     */
+    handleNotifyReserve() {
+        return __awaiter(this, void 0, void 0, function* () {
+            const reserves = yield this.db.iter(Stores.reserves).toArray();
+            for (const r of reserves) {
+                if (r.reserveStatus === ReserveRecordStatus.WAIT_CONFIRM_BANK) {
+                    try {
+                        this.processReserve(r.reservePub);
+                    }
+                    catch (e) {
+                        console.error(e);
+                    }
+                }
+            }
+        });
+    }
+    /**
+     * Remove unreferenced / expired data from the wallet's database
+     * based on the current system time.
+     */
+    collectGarbage() {
+        return __awaiter(this, void 0, void 0, function* () {
+            // FIXME(#5845)
+            // We currently do not garbage-collect the wallet database.  This might change
+            // after the feature has been properly re-designed, and we have come up with a
+            // strategy to test it.
+        });
+    }
+    acceptWithdrawal(talerWithdrawUri, selectedExchange) {
+        return __awaiter(this, void 0, void 0, function* () {
+            try {
+                return createTalerWithdrawReserve(this.ws, talerWithdrawUri, selectedExchange);
+            }
+            finally {
+                this.latch.trigger();
+            }
+        });
+    }
+    updateReserve(reservePub) {
+        return __awaiter(this, void 0, void 0, function* () {
+            yield forceQueryReserve(this.ws, reservePub);
+            return yield this.ws.db.get(Stores.reserves, reservePub);
+        });
+    }
+    getReserve(reservePub) {
+        return __awaiter(this, void 0, void 0, function* () {
+            return yield this.ws.db.get(Stores.reserves, reservePub);
+        });
+    }
+    refuseProposal(proposalId) {
+        return __awaiter(this, void 0, void 0, function* () {
+            return refuseProposal(this.ws, proposalId);
+        });
+    }
+    getPurchaseDetails(proposalId) {
+        return __awaiter(this, void 0, void 0, function* () {
+            const purchase = yield this.db.get(Stores.purchases, proposalId);
+            if (!purchase) {
+                throw Error("unknown purchase");
+            }
+            const refundsDoneAmounts = Object.values(purchase.refunds)
+                .filter((x) => x.type === RefundState.Applied)
+                .map((x) => x.refundAmount);
+            const refundsPendingAmounts = Object.values(purchase.refunds)
+                .filter((x) => x.type === RefundState.Pending)
+                .map((x) => x.refundAmount);
+            const totalRefundAmount = Amounts.sum([
+                ...refundsDoneAmounts,
+                ...refundsPendingAmounts,
+            ]).amount;
+            const refundsDoneFees = Object.values(purchase.refunds)
+                .filter((x) => x.type === RefundState.Applied)
+                .map((x) => x.refundFee);
+            const refundsPendingFees = Object.values(purchase.refunds)
+                .filter((x) => x.type === RefundState.Pending)
+                .map((x) => x.refundFee);
+            const totalRefundFees = Amounts.sum([
+                ...refundsDoneFees,
+                ...refundsPendingFees,
+            ]).amount;
+            const totalFees = totalRefundFees;
+            return {
+                contractTerms: JSON.parse(purchase.download.contractTermsRaw),
+                hasRefund: purchase.timestampLastRefundStatus !== undefined,
+                totalRefundAmount: totalRefundAmount,
+                totalRefundAndRefreshFees: totalFees,
+            };
+        });
+    }
+    benchmarkCrypto(repetitions) {
+        return this.ws.cryptoApi.benchmark(repetitions);
+    }
+    setCoinSuspended(coinPub, suspended) {
+        return __awaiter(this, void 0, void 0, function* () {
+            yield this.db.runWithWriteTransaction([Stores.coins], (tx) => __awaiter(this, void 0, void 0, function* () {
+                const c = yield tx.get(Stores.coins, coinPub);
+                if (!c) {
+                    logger$g.warn(`coin ${coinPub} not found, won't suspend`);
+                    return;
+                }
+                c.suspended = suspended;
+                yield tx.put(Stores.coins, c);
+            }));
+        });
+    }
+    /**
+     * Dump the public information of coins we have in an easy-to-process format.
+     */
+    dumpCoins() {
+        return __awaiter(this, void 0, void 0, function* () {
+            const coins = yield this.db.iter(Stores.coins).toArray();
+            const coinsJson = { coins: [] };
+            for (const c of coins) {
+                const denom = yield this.db.get(Stores.denominations, [
+                    c.exchangeBaseUrl,
+                    c.denomPubHash,
+                ]);
+                if (!denom) {
+                    console.error("no denom session found for coin");
+                    continue;
+                }
+                const cs = c.coinSource;
+                let refreshParentCoinPub;
+                if (cs.type == CoinSourceType.Refresh) {
+                    refreshParentCoinPub = cs.oldCoinPub;
+                }
+                let withdrawalReservePub;
+                if (cs.type == CoinSourceType.Withdraw) {
+                    const ws = yield this.db.get(Stores.withdrawalGroups, cs.withdrawalGroupId);
+                    if (!ws) {
+                        console.error("no withdrawal session found for coin");
+                        continue;
+                    }
+                    withdrawalReservePub = ws.reservePub;
+                }
+                coinsJson.coins.push({
+                    coin_pub: c.coinPub,
+                    denom_pub: c.denomPub,
+                    denom_pub_hash: c.denomPubHash,
+                    denom_value: Amounts.stringify(denom.value),
+                    exchange_base_url: c.exchangeBaseUrl,
+                    refresh_parent_coin_pub: refreshParentCoinPub,
+                    remaining_value: Amounts.stringify(c.currentAmount),
+                    withdrawal_reserve_pub: withdrawalReservePub,
+                    coin_suspended: c.suspended,
+                });
+            }
+            return coinsJson;
+        });
+    }
+    getTransactions(request) {
+        return __awaiter(this, void 0, void 0, function* () {
+            return getTransactions(this.ws, request);
+        });
+    }
+    withdrawTestBalance(req) {
+        return __awaiter(this, void 0, void 0, function* () {
+            yield withdrawTestBalance(this.ws, req.amount, req.bankBaseUrl, req.exchangeBaseUrl);
+        });
+    }
+    runIntegrationtest(args) {
+        return __awaiter(this, void 0, void 0, function* () {
+            return runIntegrationTest(this.ws.http, this, args);
+        });
+    }
+    testPay(args) {
+        return __awaiter(this, void 0, void 0, function* () {
+            return testPay(this.ws.http, this, args);
+        });
+    }
+    exportBackupPlain() {
+        return __awaiter(this, void 0, void 0, function* () {
+            return exportBackup(this.ws);
+        });
+    }
+    importBackupPlain(backup) {
+        return __awaiter(this, void 0, void 0, function* () {
+            return importBackupPlain(this.ws, backup);
+        });
+    }
+    exportBackupEncrypted() {
+        return __awaiter(this, void 0, void 0, function* () {
+            return exportBackupEncrypted(this.ws);
+        });
+    }
+    importBackupEncrypted(backup) {
+        return __awaiter(this, void 0, void 0, function* () {
+            return importBackupEncrypted(this.ws, backup);
+        });
+    }
+    getBackupRecovery() {
+        return __awaiter(this, void 0, void 0, function* () {
+            return getBackupRecovery(this.ws);
+        });
+    }
+    loadBackupRecovery(req) {
+        return __awaiter(this, void 0, void 0, function* () {
+            return loadBackupRecovery(this.ws, req);
+        });
+    }
+    addBackupProvider(req) {
+        return __awaiter(this, void 0, void 0, function* () {
+            return addBackupProvider(this.ws, req);
+        });
+    }
+    createDepositGroup(req) {
+        return __awaiter(this, void 0, void 0, function* () {
+            return createDepositGroup(this.ws, req);
+        });
+    }
+    runBackupCycle() {
+        return __awaiter(this, void 0, void 0, function* () {
+            return runBackupCycle(this.ws);
+        });
+    }
+    getBackupStatus() {
+        return __awaiter(this, void 0, void 0, function* () {
+            return getBackupInfo(this.ws);
+        });
+    }
+    trackDepositGroup(req) {
+        return __awaiter(this, void 0, void 0, function* () {
+            return trackDepositGroup(this.ws, req);
+        });
+    }
+    /**
+     * Implementation of the "wallet-core" API.
+     */
+    dispatchRequestInternal(operation, payload) {
+        return __awaiter(this, void 0, void 0, function* () {
+            switch (operation) {
+                case "withdrawTestkudos": {
+                    yield this.withdrawTestBalance({
+                        amount: "TESTKUDOS:10",
+                        bankBaseUrl: "https://bank.test.taler.net/",
+                        exchangeBaseUrl: "https://exchange.test.taler.net/",
+                    });
+                    return {};
+                }
+                case "withdrawTestBalance": {
+                    const req = codecForWithdrawTestBalance().decode(payload);
+                    yield this.withdrawTestBalance(req);
+                    return {};
+                }
+                case "runIntegrationTest": {
+                    const req = codecForIntegrationTestArgs().decode(payload);
+                    yield this.runIntegrationtest(req);
+                    return {};
+                }
+                case "testPay": {
+                    const req = codecForTestPayArgs().decode(payload);
+                    yield this.testPay(req);
+                    return {};
+                }
+                case "getTransactions": {
+                    const req = codecForTransactionsRequest().decode(payload);
+                    return yield this.getTransactions(req);
+                }
+                case "addExchange": {
+                    const req = codecForAddExchangeRequest().decode(payload);
+                    yield this.updateExchangeFromUrl(req.exchangeBaseUrl);
+                    return {};
+                }
+                case "forceUpdateExchange": {
+                    const req = codecForForceExchangeUpdateRequest().decode(payload);
+                    yield this.updateExchangeFromUrl(req.exchangeBaseUrl, true);
+                    return {};
+                }
+                case "listExchanges": {
+                    return yield this.getExchanges();
+                }
+                case "getWithdrawalDetailsForUri": {
+                    const req = codecForGetWithdrawalDetailsForUri().decode(payload);
+                    return yield this.getWithdrawalDetailsForUri(req.talerWithdrawUri);
+                }
+                case "acceptManualWithdrawal": {
+                    const req = codecForAcceptManualWithdrawalRequet().decode(payload);
+                    const res = yield this.acceptManualWithdrawal(req.exchangeBaseUrl, Amounts.parseOrThrow(req.amount));
+                    return res;
+                }
+                case "getWithdrawalDetailsForAmount": {
+                    const req = codecForGetWithdrawalDetailsForAmountRequest().decode(payload);
+                    return yield this.getWithdrawalDetailsForAmount(req.exchangeBaseUrl, Amounts.parseOrThrow(req.amount));
+                }
+                case "getBalances": {
+                    return yield this.getBalances();
+                }
+                case "getPendingOperations": {
+                    return yield this.getPendingOperations();
+                }
+                case "setExchangeTosAccepted": {
+                    const req = codecForAcceptExchangeTosRequest().decode(payload);
+                    yield this.acceptExchangeTermsOfService(req.exchangeBaseUrl, req.etag);
+                    return {};
+                }
+                case "applyRefund": {
+                    const req = codecForApplyRefundRequest().decode(payload);
+                    return yield this.applyRefund(req.talerRefundUri);
+                }
+                case "acceptBankIntegratedWithdrawal": {
+                    const req = codecForAcceptBankIntegratedWithdrawalRequest().decode(payload);
+                    return yield this.acceptWithdrawal(req.talerWithdrawUri, req.exchangeBaseUrl);
+                }
+                case "getExchangeTos": {
+                    const req = codecForGetExchangeTosRequest().decode(payload);
+                    return this.getExchangeTos(req.exchangeBaseUrl);
+                }
+                case "retryPendingNow": {
+                    yield this.runPending(true);
+                    return {};
+                }
+                case "preparePay": {
+                    const req = codecForPreparePayRequest().decode(payload);
+                    return yield this.preparePayForUri(req.talerPayUri);
+                }
+                case "confirmPay": {
+                    const req = codecForConfirmPayRequest().decode(payload);
+                    return yield this.confirmPay(req.proposalId, req.sessionId);
+                }
+                case "abortFailedPayWithRefund": {
+                    const req = codecForAbortPayWithRefundRequest().decode(payload);
+                    yield this.abortFailedPayWithRefund(req.proposalId);
+                    return {};
+                }
+                case "dumpCoins": {
+                    return yield this.dumpCoins();
+                }
+                case "setCoinSuspended": {
+                    const req = codecForSetCoinSuspendedRequest().decode(payload);
+                    yield this.setCoinSuspended(req.coinPub, req.suspended);
+                    return {};
+                }
+                case "forceRefresh": {
+                    const req = codecForForceRefreshRequest().decode(payload);
+                    const coinPubs = req.coinPubList.map((x) => ({ coinPub: x }));
+                    const refreshGroupId = yield this.db.runWithWriteTransaction([Stores.refreshGroups, Stores.denominations, Stores.coins], (tx) => __awaiter(this, void 0, void 0, function* () {
+                        return yield createRefreshGroup(this.ws, tx, coinPubs, RefreshReason.Manual);
+                    }));
+                    return {
+                        refreshGroupId,
+                    };
+                }
+                case "prepareTip": {
+                    const req = codecForPrepareTipRequest().decode(payload);
+                    return yield this.prepareTip(req.talerTipUri);
+                }
+                case "acceptTip": {
+                    const req = codecForAcceptTipRequest().decode(payload);
+                    yield this.acceptTip(req.walletTipId);
+                    return {};
+                }
+                case "exportBackup": {
+                    return exportBackup(this.ws);
+                }
+                case "addBackupProvider": {
+                    const req = codecForAddBackupProviderRequest().decode(payload);
+                    yield addBackupProvider(this.ws, req);
+                    return {};
+                }
+                case "runBackupCycle": {
+                    yield runBackupCycle(this.ws);
+                    return {};
+                }
+                case "createDepositGroup": {
+                    const req = codecForCreateDepositGroupRequest().decode(payload);
+                    return yield createDepositGroup(this.ws, req);
+                }
+                case "trackDepositGroup":
+                    const req = codecForTrackDepositGroupRequest().decode(payload);
+                    return trackDepositGroup(this.ws, req);
+            }
+            throw OperationFailedError.fromCode(TalerErrorCode.WALLET_CORE_API_OPERATION_UNKNOWN, "unknown operation", {
+                operation,
+            });
+        });
+    }
+    /**
+     * Handle a request to the wallet-core API.
+     */
+    handleCoreApiRequest(operation, id, payload) {
+        return __awaiter(this, void 0, void 0, function* () {
+            try {
+                const result = yield this.dispatchRequestInternal(operation, payload);
+                return {
+                    type: "response",
+                    operation,
+                    id,
+                    result,
+                };
+            }
+            catch (e) {
+                if (e instanceof OperationFailedError ||
+                    e instanceof OperationFailedAndReportedError) {
+                    return {
+                        type: "error",
+                        operation,
+                        id,
+                        error: e.operationError,
+                    };
+                }
+                else {
+                    return {
+                        type: "error",
+                        operation,
+                        id,
+                        error: makeErrorDetails(TalerErrorCode.WALLET_UNEXPECTED_EXCEPTION, `unexpected exception: ${e}`, {}),
+                    };
+                }
+            }
+        });
+    }
+}
+
+/*
+ This file is part of GNU Taler
+ (C) 2019 GNUnet e.V.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+const logger$h = new Logger("RequestThrottler.ts");
+/**
+ * Maximum request per second, per origin.
+ */
+const MAX_PER_SECOND = 100;
+/**
+ * Maximum request per minute, per origin.
+ */
+const MAX_PER_MINUTE = 500;
+/**
+ * Maximum request per hour, per origin.
+ */
+const MAX_PER_HOUR = 2000;
+/**
+ * Throttling state for one origin.
+ */
+class OriginState {
+    constructor() {
+        this.tokensSecond = MAX_PER_SECOND;
+        this.tokensMinute = MAX_PER_MINUTE;
+        this.tokensHour = MAX_PER_HOUR;
+        this.lastUpdate = getTimestampNow();
+    }
+    refill() {
+        const now = getTimestampNow();
+        if (timestampCmp(now, this.lastUpdate) < 0) {
+            // Did the system time change?
+            this.lastUpdate = now;
+            return;
+        }
+        const d = timestampDifference(now, this.lastUpdate);
+        if (d.d_ms === "forever") {
+            throw Error("assertion failed");
+        }
+        this.tokensSecond = Math.min(MAX_PER_SECOND, this.tokensSecond + d.d_ms / 1000);
+        this.tokensMinute = Math.min(MAX_PER_MINUTE, this.tokensMinute + d.d_ms / 1000 / 60);
+        this.tokensHour = Math.min(MAX_PER_HOUR, this.tokensHour + d.d_ms / 1000 / 60 / 60);
+        this.lastUpdate = now;
+    }
+    /**
+     * Return true if the request for this origin should be throttled.
+     * Otherwise, take a token out of the respective buckets.
+     */
+    applyThrottle() {
+        this.refill();
+        if (this.tokensSecond < 1) {
+            logger$h.warn("request throttled (per second limit exceeded)");
+            return true;
+        }
+        if (this.tokensMinute < 1) {
+            logger$h.warn("request throttled (per minute limit exceeded)");
+            return true;
+        }
+        if (this.tokensHour < 1) {
+            logger$h.warn("request throttled (per hour limit exceeded)");
+            return true;
+        }
+        this.tokensSecond--;
+        this.tokensMinute--;
+        this.tokensHour--;
+        return false;
+    }
+}
+/**
+ * Request throttler, used as a "last layer of defense" when some
+ * other part of the re-try logic is broken and we're sending too
+ * many requests to the same exchange/bank/merchant.
+ */
+class RequestThrottler {
+    constructor() {
+        this.perOriginInfo = {};
+    }
+    /**
+     * Get the throttling state for an origin, or
+     * initialize if no state is associated with the
+     * origin yet.
+     */
+    getState(origin) {
+        const s = this.perOriginInfo[origin];
+        if (s) {
+            return s;
+        }
+        const ns = (this.perOriginInfo[origin] = new OriginState());
+        return ns;
+    }
+    /**
+     * Apply throttling to a request.
+     *
+     * @returns whether the request should be throttled.
+     */
+    applyThrottle(requestUrl) {
+        const origin = new URL(requestUrl).origin;
+        return this.getState(origin).applyThrottle();
+    }
+    /**
+     * Get the throttle statistics for a particular URL.
+     */
+    getThrottleStats(requestUrl) {
+        const origin = new URL(requestUrl).origin;
+        const state = this.getState(origin);
+        return {
+            tokensHour: state.tokensHour,
+            tokensMinute: state.tokensMinute,
+            tokensSecond: state.tokensSecond,
+            maxTokensHour: MAX_PER_HOUR,
+            maxTokensMinute: MAX_PER_MINUTE,
+            maxTokensSecond: MAX_PER_SECOND,
+        };
+    }
+}
+
+var bind = function bind(fn, thisArg) {
+  return function wrap() {
+    var args = new Array(arguments.length);
+    for (var i = 0; i < args.length; i++) {
+      args[i] = arguments[i];
+    }
+    return fn.apply(thisArg, args);
+  };
+};
+
+/*global toString:true*/
+
+// utils is a library of generic helper functions non-specific to axios
+
+var toString = Object.prototype.toString;
+
+/**
+ * Determine if a value is an Array
+ *
+ * @param {Object} val The value to test
+ * @returns {boolean} True if value is an Array, otherwise false
+ */
+function isArray(val) {
+  return toString.call(val) === '[object Array]';
+}
+
+/**
+ * Determine if a value is undefined
+ *
+ * @param {Object} val The value to test
+ * @returns {boolean} True if the value is undefined, otherwise false
+ */
+function isUndefined(val) {
+  return typeof val === 'undefined';
+}
+
+/**
+ * Determine if a value is a Buffer
+ *
+ * @param {Object} val The value to test
+ * @returns {boolean} True if value is a Buffer, otherwise false
+ */
+function isBuffer(val) {
+  return val !== null && !isUndefined(val) && val.constructor !== null && !isUndefined(val.constructor)
+    && typeof val.constructor.isBuffer === 'function' && val.constructor.isBuffer(val);
+}
+
+/**
+ * Determine if a value is an ArrayBuffer
+ *
+ * @param {Object} val The value to test
+ * @returns {boolean} True if value is an ArrayBuffer, otherwise false
+ */
+function isArrayBuffer(val) {
+  return toString.call(val) === '[object ArrayBuffer]';
+}
+
+/**
+ * Determine if a value is a FormData
+ *
+ * @param {Object} val The value to test
+ * @returns {boolean} True if value is an FormData, otherwise false
+ */
+function isFormData(val) {
+  return (typeof FormData !== 'undefined') && (val instanceof FormData);
+}
+
+/**
+ * Determine if a value is a view on an ArrayBuffer
+ *
+ * @param {Object} val The value to test
+ * @returns {boolean} True if value is a view on an ArrayBuffer, otherwise false
+ */
+function isArrayBufferView(val) {
+  var result;
+  if ((typeof ArrayBuffer !== 'undefined') && (ArrayBuffer.isView)) {
+    result = ArrayBuffer.isView(val);
+  } else {
+    result = (val) && (val.buffer) && (val.buffer instanceof ArrayBuffer);
+  }
+  return result;
+}
+
+/**
+ * Determine if a value is a String
+ *
+ * @param {Object} val The value to test
+ * @returns {boolean} True if value is a String, otherwise false
+ */
+function isString(val) {
+  return typeof val === 'string';
+}
+
+/**
+ * Determine if a value is a Number
+ *
+ * @param {Object} val The value to test
+ * @returns {boolean} True if value is a Number, otherwise false
+ */
+function isNumber(val) {
+  return typeof val === 'number';
+}
+
+/**
+ * Determine if a value is an Object
+ *
+ * @param {Object} val The value to test
+ * @returns {boolean} True if value is an Object, otherwise false
+ */
+function isObject(val) {
+  return val !== null && typeof val === 'object';
+}
+
+/**
+ * Determine if a value is a plain Object
+ *
+ * @param {Object} val The value to test
+ * @return {boolean} True if value is a plain Object, otherwise false
+ */
+function isPlainObject(val) {
+  if (toString.call(val) !== '[object Object]') {
+    return false;
+  }
+
+  var prototype = Object.getPrototypeOf(val);
+  return prototype === null || prototype === Object.prototype;
+}
+
+/**
+ * Determine if a value is a Date
+ *
+ * @param {Object} val The value to test
+ * @returns {boolean} True if value is a Date, otherwise false
+ */
+function isDate(val) {
+  return toString.call(val) === '[object Date]';
+}
+
+/**
+ * Determine if a value is a File
+ *
+ * @param {Object} val The value to test
+ * @returns {boolean} True if value is a File, otherwise false
+ */
+function isFile(val) {
+  return toString.call(val) === '[object File]';
+}
+
+/**
+ * Determine if a value is a Blob
+ *
+ * @param {Object} val The value to test
+ * @returns {boolean} True if value is a Blob, otherwise false
+ */
+function isBlob(val) {
+  return toString.call(val) === '[object Blob]';
+}
+
+/**
+ * Determine if a value is a Function
+ *
+ * @param {Object} val The value to test
+ * @returns {boolean} True if value is a Function, otherwise false
+ */
+function isFunction(val) {
+  return toString.call(val) === '[object Function]';
+}
+
+/**
+ * Determine if a value is a Stream
+ *
+ * @param {Object} val The value to test
+ * @returns {boolean} True if value is a Stream, otherwise false
+ */
+function isStream(val) {
+  return isObject(val) && isFunction(val.pipe);
+}
+
+/**
+ * Determine if a value is a URLSearchParams object
+ *
+ * @param {Object} val The value to test
+ * @returns {boolean} True if value is a URLSearchParams object, otherwise false
+ */
+function isURLSearchParams(val) {
+  return typeof URLSearchParams !== 'undefined' && val instanceof URLSearchParams;
+}
+
+/**
+ * Trim excess whitespace off the beginning and end of a string
+ *
+ * @param {String} str The String to trim
+ * @returns {String} The String freed of excess whitespace
+ */
+function trim(str) {
+  return str.replace(/^\s*/, '').replace(/\s*$/, '');
+}
+
+/**
+ * Determine if we're running in a standard browser environment
+ *
+ * This allows axios to run in a web worker, and react-native.
+ * Both environments support XMLHttpRequest, but not fully standard globals.
+ *
+ * web workers:
+ *  typeof window -> undefined
+ *  typeof document -> undefined
+ *
+ * react-native:
+ *  navigator.product -> 'ReactNative'
+ * nativescript
+ *  navigator.product -> 'NativeScript' or 'NS'
+ */
+function isStandardBrowserEnv() {
+  if (typeof navigator !== 'undefined' && (navigator.product === 'ReactNative' ||
+                                           navigator.product === 'NativeScript' ||
+                                           navigator.product === 'NS')) {
+    return false;
+  }
+  return (
+    typeof window !== 'undefined' &&
+    typeof document !== 'undefined'
+  );
+}
+
+/**
+ * Iterate over an Array or an Object invoking a function for each item.
+ *
+ * If `obj` is an Array callback will be called passing
+ * the value, index, and complete array for each item.
+ *
+ * If 'obj' is an Object callback will be called passing
+ * the value, key, and complete object for each property.
+ *
+ * @param {Object|Array} obj The object to iterate
+ * @param {Function} fn The callback to invoke for each item
+ */
+function forEach(obj, fn) {
+  // Don't bother if no value provided
+  if (obj === null || typeof obj === 'undefined') {
+    return;
+  }
+
+  // Force an array if not already something iterable
+  if (typeof obj !== 'object') {
+    /*eslint no-param-reassign:0*/
+    obj = [obj];
+  }
+
+  if (isArray(obj)) {
+    // Iterate over array values
+    for (var i = 0, l = obj.length; i < l; i++) {
+      fn.call(null, obj[i], i, obj);
+    }
+  } else {
+    // Iterate over object keys
+    for (var key in obj) {
+      if (Object.prototype.hasOwnProperty.call(obj, key)) {
+        fn.call(null, obj[key], key, obj);
+      }
+    }
+  }
+}
+
+/**
+ * Accepts varargs expecting each argument to be an object, then
+ * immutably merges the properties of each object and returns result.
+ *
+ * When multiple objects contain the same key the later object in
+ * the arguments list will take precedence.
+ *
+ * Example:
+ *
+ * ```js
+ * var result = merge({foo: 123}, {foo: 456});
+ * console.log(result.foo); // outputs 456
+ * ```
+ *
+ * @param {Object} obj1 Object to merge
+ * @returns {Object} Result of all merge properties
+ */
+function merge(/* obj1, obj2, obj3, ... */) {
+  var result = {};
+  function assignValue(val, key) {
+    if (isPlainObject(result[key]) && isPlainObject(val)) {
+      result[key] = merge(result[key], val);
+    } else if (isPlainObject(val)) {
+      result[key] = merge({}, val);
+    } else if (isArray(val)) {
+      result[key] = val.slice();
+    } else {
+      result[key] = val;
+    }
+  }
+
+  for (var i = 0, l = arguments.length; i < l; i++) {
+    forEach(arguments[i], assignValue);
+  }
+  return result;
+}
+
+/**
+ * Extends object a by mutably adding to it the properties of object b.
+ *
+ * @param {Object} a The object to be extended
+ * @param {Object} b The object to copy properties from
+ * @param {Object} thisArg The object to bind function to
+ * @return {Object} The resulting value of object a
+ */
+function extend(a, b, thisArg) {
+  forEach(b, function assignValue(val, key) {
+    if (thisArg && typeof val === 'function') {
+      a[key] = bind(val, thisArg);
+    } else {
+      a[key] = val;
+    }
+  });
+  return a;
+}
+
+/**
+ * Remove byte order marker. This catches EF BB BF (the UTF-8 BOM)
+ *
+ * @param {string} content with BOM
+ * @return {string} content value without BOM
+ */
+function stripBOM(content) {
+  if (content.charCodeAt(0) === 0xFEFF) {
+    content = content.slice(1);
+  }
+  return content;
+}
+
+var utils = {
+  isArray: isArray,
+  isArrayBuffer: isArrayBuffer,
+  isBuffer: isBuffer,
+  isFormData: isFormData,
+  isArrayBufferView: isArrayBufferView,
+  isString: isString,
+  isNumber: isNumber,
+  isObject: isObject,
+  isPlainObject: isPlainObject,
+  isUndefined: isUndefined,
+  isDate: isDate,
+  isFile: isFile,
+  isBlob: isBlob,
+  isFunction: isFunction,
+  isStream: isStream,
+  isURLSearchParams: isURLSearchParams,
+  isStandardBrowserEnv: isStandardBrowserEnv,
+  forEach: forEach,
+  merge: merge,
+  extend: extend,
+  trim: trim,
+  stripBOM: stripBOM
+};
+
+function encode(val) {
+  return encodeURIComponent(val).
+    replace(/%3A/gi, ':').
+    replace(/%24/g, '$').
+    replace(/%2C/gi, ',').
+    replace(/%20/g, '+').
+    replace(/%5B/gi, '[').
+    replace(/%5D/gi, ']');
+}
+
+/**
+ * Build a URL by appending params to the end
+ *
+ * @param {string} url The base of the url (e.g., http://www.google.com)
+ * @param {object} [params] The params to be appended
+ * @returns {string} The formatted url
+ */
+var buildURL = function buildURL(url, params, paramsSerializer) {
+  /*eslint no-param-reassign:0*/
+  if (!params) {
+    return url;
+  }
+
+  var serializedParams;
+  if (paramsSerializer) {
+    serializedParams = paramsSerializer(params);
+  } else if (utils.isURLSearchParams(params)) {
+    serializedParams = params.toString();
+  } else {
+    var parts = [];
+
+    utils.forEach(params, function serialize(val, key) {
+      if (val === null || typeof val === 'undefined') {
+        return;
+      }
+
+      if (utils.isArray(val)) {
+        key = key + '[]';
+      } else {
+        val = [val];
+      }
+
+      utils.forEach(val, function parseValue(v) {
+        if (utils.isDate(v)) {
+          v = v.toISOString();
+        } else if (utils.isObject(v)) {
+          v = JSON.stringify(v);
+        }
+        parts.push(encode(key) + '=' + encode(v));
+      });
+    });
+
+    serializedParams = parts.join('&');
+  }
+
+  if (serializedParams) {
+    var hashmarkIndex = url.indexOf('#');
+    if (hashmarkIndex !== -1) {
+      url = url.slice(0, hashmarkIndex);
+    }
+
+    url += (url.indexOf('?') === -1 ? '?' : '&') + serializedParams;
+  }
+
+  return url;
+};
+
+function InterceptorManager() {
+  this.handlers = [];
+}
+
+/**
+ * Add a new interceptor to the stack
+ *
+ * @param {Function} fulfilled The function to handle `then` for a `Promise`
+ * @param {Function} rejected The function to handle `reject` for a `Promise`
+ *
+ * @return {Number} An ID used to remove interceptor later
+ */
+InterceptorManager.prototype.use = function use(fulfilled, rejected) {
+  this.handlers.push({
+    fulfilled: fulfilled,
+    rejected: rejected
+  });
+  return this.handlers.length - 1;
+};
+
+/**
+ * Remove an interceptor from the stack
+ *
+ * @param {Number} id The ID that was returned by `use`
+ */
+InterceptorManager.prototype.eject = function eject(id) {
+  if (this.handlers[id]) {
+    this.handlers[id] = null;
+  }
+};
+
+/**
+ * Iterate over all the registered interceptors
+ *
+ * This method is particularly useful for skipping over any
+ * interceptors that may have become `null` calling `eject`.
+ *
+ * @param {Function} fn The function to call for each interceptor
+ */
+InterceptorManager.prototype.forEach = function forEach(fn) {
+  utils.forEach(this.handlers, function forEachHandler(h) {
+    if (h !== null) {
+      fn(h);
+    }
+  });
+};
+
+var InterceptorManager_1 = InterceptorManager;
+
+/**
+ * Transform the data for a request or a response
+ *
+ * @param {Object|String} data The data to be transformed
+ * @param {Array} headers The headers for the request or response
+ * @param {Array|Function} fns A single function or Array of functions
+ * @returns {*} The resulting transformed data
+ */
+var transformData = function transformData(data, headers, fns) {
+  /*eslint no-param-reassign:0*/
+  utils.forEach(fns, function transform(fn) {
+    data = fn(data, headers);
+  });
+
+  return data;
+};
+
+var isCancel = function isCancel(value) {
+  return !!(value && value.__CANCEL__);
+};
+
+var normalizeHeaderName = function normalizeHeaderName(headers, normalizedName) {
+  utils.forEach(headers, function processHeader(value, name) {
+    if (name !== normalizedName && name.toUpperCase() === normalizedName.toUpperCase()) {
+      headers[normalizedName] = value;
+      delete headers[name];
+    }
+  });
+};
+
+/**
+ * Update an Error with the specified config, error code, and response.
+ *
+ * @param {Error} error The error to update.
+ * @param {Object} config The config.
+ * @param {string} [code] The error code (for example, 'ECONNABORTED').
+ * @param {Object} [request] The request.
+ * @param {Object} [response] The response.
+ * @returns {Error} The error.
+ */
+var enhanceError = function enhanceError(error, config, code, request, response) {
+  error.config = config;
+  if (code) {
+    error.code = code;
+  }
+
+  error.request = request;
+  error.response = response;
+  error.isAxiosError = true;
+
+  error.toJSON = function toJSON() {
+    return {
+      // Standard
+      message: this.message,
+      name: this.name,
+      // Microsoft
+      description: this.description,
+      number: this.number,
+      // Mozilla
+      fileName: this.fileName,
+      lineNumber: this.lineNumber,
+      columnNumber: this.columnNumber,
+      stack: this.stack,
+      // Axios
+      config: this.config,
+      code: this.code
+    };
+  };
+  return error;
+};
+
+/**
+ * Create an Error with the specified message, config, error code, request and response.
+ *
+ * @param {string} message The error message.
+ * @param {Object} config The config.
+ * @param {string} [code] The error code (for example, 'ECONNABORTED').
+ * @param {Object} [request] The request.
+ * @param {Object} [response] The response.
+ * @returns {Error} The created error.
+ */
+var createError = function createError(message, config, code, request, response) {
+  var error = new Error(message);
+  return enhanceError(error, config, code, request, response);
+};
+
+/**
+ * Resolve or reject a Promise based on response status.
+ *
+ * @param {Function} resolve A function that resolves the promise.
+ * @param {Function} reject A function that rejects the promise.
+ * @param {object} response The response.
+ */
+var settle = function settle(resolve, reject, response) {
+  var validateStatus = response.config.validateStatus;
+  if (!response.status || !validateStatus || validateStatus(response.status)) {
+    resolve(response);
+  } else {
+    reject(createError(
+      'Request failed with status code ' + response.status,
+      response.config,
+      null,
+      response.request,
+      response
+    ));
+  }
+};
+
+var cookies = (
+  utils.isStandardBrowserEnv() ?
+
+  // Standard browser envs support document.cookie
+    (function standardBrowserEnv() {
+      return {
+        write: function write(name, value, expires, path, domain, secure) {
+          var cookie = [];
+          cookie.push(name + '=' + encodeURIComponent(value));
+
+          if (utils.isNumber(expires)) {
+            cookie.push('expires=' + new Date(expires).toGMTString());
+          }
+
+          if (utils.isString(path)) {
+            cookie.push('path=' + path);
+          }
+
+          if (utils.isString(domain)) {
+            cookie.push('domain=' + domain);
+          }
+
+          if (secure === true) {
+            cookie.push('secure');
+          }
+
+          document.cookie = cookie.join('; ');
+        },
+
+        read: function read(name) {
+          var match = document.cookie.match(new RegExp('(^|;\\s*)(' + name + ')=([^;]*)'));
+          return (match ? decodeURIComponent(match[3]) : null);
+        },
+
+        remove: function remove(name) {
+          this.write(name, '', Date.now() - 86400000);
+        }
+      };
+    })() :
+
+  // Non standard browser env (web workers, react-native) lack needed support.
+    (function nonStandardBrowserEnv() {
+      return {
+        write: function write() {},
+        read: function read() { return null; },
+        remove: function remove() {}
+      };
+    })()
+);
+
+/**
+ * Determines whether the specified URL is absolute
+ *
+ * @param {string} url The URL to test
+ * @returns {boolean} True if the specified URL is absolute, otherwise false
+ */
+var isAbsoluteURL = function isAbsoluteURL(url) {
+  // A URL is considered absolute if it begins with "<scheme>://" or "//" (protocol-relative URL).
+  // RFC 3986 defines scheme name as a sequence of characters beginning with a letter and followed
+  // by any combination of letters, digits, plus, period, or hyphen.
+  return /^([a-z][a-z\d\+\-\.]*:)?\/\//i.test(url);
+};
+
+/**
+ * Creates a new URL by combining the specified URLs
+ *
+ * @param {string} baseURL The base URL
+ * @param {string} relativeURL The relative URL
+ * @returns {string} The combined URL
+ */
+var combineURLs = function combineURLs(baseURL, relativeURL) {
+  return relativeURL
+    ? baseURL.replace(/\/+$/, '') + '/' + relativeURL.replace(/^\/+/, '')
+    : baseURL;
+};
+
+/**
+ * Creates a new URL by combining the baseURL with the requestedURL,
+ * only when the requestedURL is not already an absolute URL.
+ * If the requestURL is absolute, this function returns the requestedURL untouched.
+ *
+ * @param {string} baseURL The base URL
+ * @param {string} requestedURL Absolute or relative URL to combine
+ * @returns {string} The combined full path
+ */
+var buildFullPath = function buildFullPath(baseURL, requestedURL) {
+  if (baseURL && !isAbsoluteURL(requestedURL)) {
+    return combineURLs(baseURL, requestedURL);
+  }
+  return requestedURL;
+};
+
+// Headers whose duplicates are ignored by node
+// c.f. https://nodejs.org/api/http.html#http_message_headers
+var ignoreDuplicateOf = [
+  'age', 'authorization', 'content-length', 'content-type', 'etag',
+  'expires', 'from', 'host', 'if-modified-since', 'if-unmodified-since',
+  'last-modified', 'location', 'max-forwards', 'proxy-authorization',
+  'referer', 'retry-after', 'user-agent'
+];
+
+/**
+ * Parse headers into an object
+ *
+ * ```
+ * Date: Wed, 27 Aug 2014 08:58:49 GMT
+ * Content-Type: application/json
+ * Connection: keep-alive
+ * Transfer-Encoding: chunked
+ * ```
+ *
+ * @param {String} headers Headers needing to be parsed
+ * @returns {Object} Headers parsed into an object
+ */
+var parseHeaders = function parseHeaders(headers) {
+  var parsed = {};
+  var key;
+  var val;
+  var i;
+
+  if (!headers) { return parsed; }
+
+  utils.forEach(headers.split('\n'), function parser(line) {
+    i = line.indexOf(':');
+    key = utils.trim(line.substr(0, i)).toLowerCase();
+    val = utils.trim(line.substr(i + 1));
+
+    if (key) {
+      if (parsed[key] && ignoreDuplicateOf.indexOf(key) >= 0) {
+        return;
+      }
+      if (key === 'set-cookie') {
+        parsed[key] = (parsed[key] ? parsed[key] : []).concat([val]);
+      } else {
+        parsed[key] = parsed[key] ? parsed[key] + ', ' + val : val;
+      }
+    }
+  });
+
+  return parsed;
+};
+
+var isURLSameOrigin = (
+  utils.isStandardBrowserEnv() ?
+
+  // Standard browser envs have full support of the APIs needed to test
+  // whether the request URL is of the same origin as current location.
+    (function standardBrowserEnv() {
+      var msie = /(msie|trident)/i.test(navigator.userAgent);
+      var urlParsingNode = document.createElement('a');
+      var originURL;
+
+      /**
+    * Parse a URL to discover it's components
+    *
+    * @param {String} url The URL to be parsed
+    * @returns {Object}
+    */
+      function resolveURL(url) {
+        var href = url;
+
+        if (msie) {
+        // IE needs attribute set twice to normalize properties
+          urlParsingNode.setAttribute('href', href);
+          href = urlParsingNode.href;
+        }
+
+        urlParsingNode.setAttribute('href', href);
+
+        // urlParsingNode provides the UrlUtils interface - http://url.spec.whatwg.org/#urlutils
+        return {
+          href: urlParsingNode.href,
+          protocol: urlParsingNode.protocol ? urlParsingNode.protocol.replace(/:$/, '') : '',
+          host: urlParsingNode.host,
+          search: urlParsingNode.search ? urlParsingNode.search.replace(/^\?/, '') : '',
+          hash: urlParsingNode.hash ? urlParsingNode.hash.replace(/^#/, '') : '',
+          hostname: urlParsingNode.hostname,
+          port: urlParsingNode.port,
+          pathname: (urlParsingNode.pathname.charAt(0) === '/') ?
+            urlParsingNode.pathname :
+            '/' + urlParsingNode.pathname
+        };
+      }
+
+      originURL = resolveURL(window.location.href);
+
+      /**
+    * Determine if a URL shares the same origin as the current location
+    *
+    * @param {String} requestURL The URL to test
+    * @returns {boolean} True if URL shares the same origin, otherwise false
+    */
+      return function isURLSameOrigin(requestURL) {
+        var parsed = (utils.isString(requestURL)) ? resolveURL(requestURL) : requestURL;
+        return (parsed.protocol === originURL.protocol &&
+            parsed.host === originURL.host);
+      };
+    })() :
+
+  // Non standard browser envs (web workers, react-native) lack needed support.
+    (function nonStandardBrowserEnv() {
+      return function isURLSameOrigin() {
+        return true;
+      };
+    })()
+);
+
+var xhr = function xhrAdapter(config) {
+  return new Promise(function dispatchXhrRequest(resolve, reject) {
+    var requestData = config.data;
+    var requestHeaders = config.headers;
+
+    if (utils.isFormData(requestData)) {
+      delete requestHeaders['Content-Type']; // Let the browser set it
+    }
+
+    var request = new XMLHttpRequest();
+
+    // HTTP basic authentication
+    if (config.auth) {
+      var username = config.auth.username || '';
+      var password = config.auth.password ? unescape(encodeURIComponent(config.auth.password)) : '';
+      requestHeaders.Authorization = 'Basic ' + btoa(username + ':' + password);
+    }
+
+    var fullPath = buildFullPath(config.baseURL, config.url);
+    request.open(config.method.toUpperCase(), buildURL(fullPath, config.params, config.paramsSerializer), true);
+
+    // Set the request timeout in MS
+    request.timeout = config.timeout;
+
+    // Listen for ready state
+    request.onreadystatechange = function handleLoad() {
+      if (!request || request.readyState !== 4) {
+        return;
+      }
+
+      // The request errored out and we didn't get a response, this will be
+      // handled by onerror instead
+      // With one exception: request that using file: protocol, most browsers
+      // will return status as 0 even though it's a successful request
+      if (request.status === 0 && !(request.responseURL && request.responseURL.indexOf('file:') === 0)) {
+        return;
+      }
+
+      // Prepare the response
+      var responseHeaders = 'getAllResponseHeaders' in request ? parseHeaders(request.getAllResponseHeaders()) : null;
+      var responseData = !config.responseType || config.responseType === 'text' ? request.responseText : request.response;
+      var response = {
+        data: responseData,
+        status: request.status,
+        statusText: request.statusText,
+        headers: responseHeaders,
+        config: config,
+        request: request
+      };
+
+      settle(resolve, reject, response);
+
+      // Clean up request
+      request = null;
+    };
+
+    // Handle browser request cancellation (as opposed to a manual cancellation)
+    request.onabort = function handleAbort() {
+      if (!request) {
+        return;
+      }
+
+      reject(createError('Request aborted', config, 'ECONNABORTED', request));
+
+      // Clean up request
+      request = null;
+    };
+
+    // Handle low level network errors
+    request.onerror = function handleError() {
+      // Real errors are hidden from us by the browser
+      // onerror should only fire if it's a network error
+      reject(createError('Network Error', config, null, request));
+
+      // Clean up request
+      request = null;
+    };
+
+    // Handle timeout
+    request.ontimeout = function handleTimeout() {
+      var timeoutErrorMessage = 'timeout of ' + config.timeout + 'ms exceeded';
+      if (config.timeoutErrorMessage) {
+        timeoutErrorMessage = config.timeoutErrorMessage;
+      }
+      reject(createError(timeoutErrorMessage, config, 'ECONNABORTED',
+        request));
+
+      // Clean up request
+      request = null;
+    };
+
+    // Add xsrf header
+    // This is only done if running in a standard browser environment.
+    // Specifically not if we're in a web worker, or react-native.
+    if (utils.isStandardBrowserEnv()) {
+      // Add xsrf header
+      var xsrfValue = (config.withCredentials || isURLSameOrigin(fullPath)) && config.xsrfCookieName ?
+        cookies.read(config.xsrfCookieName) :
+        undefined;
+
+      if (xsrfValue) {
+        requestHeaders[config.xsrfHeaderName] = xsrfValue;
+      }
+    }
+
+    // Add headers to the request
+    if ('setRequestHeader' in request) {
+      utils.forEach(requestHeaders, function setRequestHeader(val, key) {
+        if (typeof requestData === 'undefined' && key.toLowerCase() === 'content-type') {
+          // Remove Content-Type if data is undefined
+          delete requestHeaders[key];
+        } else {
+          // Otherwise add header to the request
+          request.setRequestHeader(key, val);
+        }
+      });
+    }
+
+    // Add withCredentials to request if needed
+    if (!utils.isUndefined(config.withCredentials)) {
+      request.withCredentials = !!config.withCredentials;
+    }
+
+    // Add responseType to request if needed
+    if (config.responseType) {
+      try {
+        request.responseType = config.responseType;
+      } catch (e) {
+        // Expected DOMException thrown by browsers not compatible XMLHttpRequest Level 2.
+        // But, this can be suppressed for 'json' type as it can be parsed by default 'transformResponse' function.
+        if (config.responseType !== 'json') {
+          throw e;
+        }
+      }
+    }
+
+    // Handle progress if needed
+    if (typeof config.onDownloadProgress === 'function') {
+      request.addEventListener('progress', config.onDownloadProgress);
+    }
+
+    // Not all browsers support upload events
+    if (typeof config.onUploadProgress === 'function' && request.upload) {
+      request.upload.addEventListener('progress', config.onUploadProgress);
+    }
+
+    if (config.cancelToken) {
+      // Handle cancellation
+      config.cancelToken.promise.then(function onCanceled(cancel) {
+        if (!request) {
+          return;
+        }
+
+        request.abort();
+        reject(cancel);
+        // Clean up request
+        request = null;
+      });
+    }
+
+    if (!requestData) {
+      requestData = null;
+    }
+
+    // Send the request
+    request.send(requestData);
+  });
+};
+
+/**
+ * Helpers.
+ */
+var s = 1000;
+var m = s * 60;
+var h = m * 60;
+var d = h * 24;
+var w = d * 7;
+var y = d * 365.25;
+
+/**
+ * Parse or format the given `val`.
+ *
+ * Options:
+ *
+ *  - `long` verbose formatting [false]
+ *
+ * @param {String|Number} val
+ * @param {Object} [options]
+ * @throws {Error} throw an error if val is not a non-empty string or a number
+ * @return {String|Number}
+ * @api public
+ */
+
+var ms = function(val, options) {
+  options = options || {};
+  var type = typeof val;
+  if (type === 'string' && val.length > 0) {
+    return parse$1(val);
+  } else if (type === 'number' && isFinite(val)) {
+    return options.long ? fmtLong(val) : fmtShort(val);
+  }
+  throw new Error(
+    'val is not a non-empty string or a valid number. val=' +
+      JSON.stringify(val)
+  );
+};
+
+/**
+ * Parse the given `str` and return milliseconds.
+ *
+ * @param {String} str
+ * @return {Number}
+ * @api private
+ */
+
+function parse$1(str) {
+  str = String(str);
+  if (str.length > 100) {
+    return;
+  }
+  var match = /^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec(
+    str
+  );
+  if (!match) {
+    return;
+  }
+  var n = parseFloat(match[1]);
+  var type = (match[2] || 'ms').toLowerCase();
+  switch (type) {
+    case 'years':
+    case 'year':
+    case 'yrs':
+    case 'yr':
+    case 'y':
+      return n * y;
+    case 'weeks':
+    case 'week':
+    case 'w':
+      return n * w;
+    case 'days':
+    case 'day':
+    case 'd':
+      return n * d;
+    case 'hours':
+    case 'hour':
+    case 'hrs':
+    case 'hr':
+    case 'h':
+      return n * h;
+    case 'minutes':
+    case 'minute':
+    case 'mins':
+    case 'min':
+    case 'm':
+      return n * m;
+    case 'seconds':
+    case 'second':
+    case 'secs':
+    case 'sec':
+    case 's':
+      return n * s;
+    case 'milliseconds':
+    case 'millisecond':
+    case 'msecs':
+    case 'msec':
+    case 'ms':
+      return n;
+    default:
+      return undefined;
+  }
+}
+
+/**
+ * Short format for `ms`.
+ *
+ * @param {Number} ms
+ * @return {String}
+ * @api private
+ */
+
+function fmtShort(ms) {
+  var msAbs = Math.abs(ms);
+  if (msAbs >= d) {
+    return Math.round(ms / d) + 'd';
+  }
+  if (msAbs >= h) {
+    return Math.round(ms / h) + 'h';
+  }
+  if (msAbs >= m) {
+    return Math.round(ms / m) + 'm';
+  }
+  if (msAbs >= s) {
+    return Math.round(ms / s) + 's';
+  }
+  return ms + 'ms';
+}
+
+/**
+ * Long format for `ms`.
+ *
+ * @param {Number} ms
+ * @return {String}
+ * @api private
+ */
+
+function fmtLong(ms) {
+  var msAbs = Math.abs(ms);
+  if (msAbs >= d) {
+    return plural(ms, msAbs, d, 'day');
+  }
+  if (msAbs >= h) {
+    return plural(ms, msAbs, h, 'hour');
+  }
+  if (msAbs >= m) {
+    return plural(ms, msAbs, m, 'minute');
+  }
+  if (msAbs >= s) {
+    return plural(ms, msAbs, s, 'second');
+  }
+  return ms + ' ms';
+}
+
+/**
+ * Pluralization helper.
+ */
+
+function plural(ms, msAbs, n, name) {
+  var isPlural = msAbs >= n * 1.5;
+  return Math.round(ms / n) + ' ' + name + (isPlural ? 's' : '');
+}
+
+/**
+ * This is the common logic for both the Node.js and web browser
+ * implementations of `debug()`.
+ */
+
+function setup(env) {
+	createDebug.debug = createDebug;
+	createDebug.default = createDebug;
+	createDebug.coerce = coerce;
+	createDebug.disable = disable;
+	createDebug.enable = enable;
+	createDebug.enabled = enabled;
+	createDebug.humanize = ms;
+	createDebug.destroy = destroy;
+
+	Object.keys(env).forEach(key => {
+		createDebug[key] = env[key];
+	});
+
+	/**
+	* The currently active debug mode names, and names to skip.
+	*/
+
+	createDebug.names = [];
+	createDebug.skips = [];
+
+	/**
+	* Map of special "%n" handling functions, for the debug "format" argument.
+	*
+	* Valid key names are a single, lower or upper-case letter, i.e. "n" and "N".
+	*/
+	createDebug.formatters = {};
+
+	/**
+	* Selects a color for a debug namespace
+	* @param {String} namespace The namespace string for the for the debug instance to be colored
+	* @return {Number|String} An ANSI color code for the given namespace
+	* @api private
+	*/
+	function selectColor(namespace) {
+		let hash = 0;
+
+		for (let i = 0; i < namespace.length; i++) {
+			hash = ((hash << 5) - hash) + namespace.charCodeAt(i);
+			hash |= 0; // Convert to 32bit integer
+		}
+
+		return createDebug.colors[Math.abs(hash) % createDebug.colors.length];
+	}
+	createDebug.selectColor = selectColor;
+
+	/**
+	* Create a debugger with the given `namespace`.
+	*
+	* @param {String} namespace
+	* @return {Function}
+	* @api public
+	*/
+	function createDebug(namespace) {
+		let prevTime;
+		let enableOverride = null;
+
+		function debug(...args) {
+			// Disabled?
+			if (!debug.enabled) {
+				return;
+			}
+
+			const self = debug;
+
+			// Set `diff` timestamp
+			const curr = Number(new Date());
+			const ms = curr - (prevTime || curr);
+			self.diff = ms;
+			self.prev = prevTime;
+			self.curr = curr;
+			prevTime = curr;
+
+			args[0] = createDebug.coerce(args[0]);
+
+			if (typeof args[0] !== 'string') {
+				// Anything else let's inspect with %O
+				args.unshift('%O');
+			}
+
+			// Apply any `formatters` transformations
+			let index = 0;
+			args[0] = args[0].replace(/%([a-zA-Z%])/g, (match, format) => {
+				// If we encounter an escaped % then don't increase the array index
+				if (match === '%%') {
+					return '%';
+				}
+				index++;
+				const formatter = createDebug.formatters[format];
+				if (typeof formatter === 'function') {
+					const val = args[index];
+					match = formatter.call(self, val);
+
+					// Now we need to remove `args[index]` since it's inlined in the `format`
+					args.splice(index, 1);
+					index--;
+				}
+				return match;
+			});
+
+			// Apply env-specific formatting (colors, etc.)
+			createDebug.formatArgs.call(self, args);
+
+			const logFn = self.log || createDebug.log;
+			logFn.apply(self, args);
+		}
+
+		debug.namespace = namespace;
+		debug.useColors = createDebug.useColors();
+		debug.color = createDebug.selectColor(namespace);
+		debug.extend = extend;
+		debug.destroy = createDebug.destroy; // XXX Temporary. Will be removed in the next major release.
+
+		Object.defineProperty(debug, 'enabled', {
+			enumerable: true,
+			configurable: false,
+			get: () => enableOverride === null ? createDebug.enabled(namespace) : enableOverride,
+			set: v => {
+				enableOverride = v;
+			}
+		});
+
+		// Env-specific initialization logic for debug instances
+		if (typeof createDebug.init === 'function') {
+			createDebug.init(debug);
+		}
+
+		return debug;
+	}
+
+	function extend(namespace, delimiter) {
+		const newDebug = createDebug(this.namespace + (typeof delimiter === 'undefined' ? ':' : delimiter) + namespace);
+		newDebug.log = this.log;
+		return newDebug;
+	}
+
+	/**
+	* Enables a debug mode by namespaces. This can include modes
+	* separated by a colon and wildcards.
+	*
+	* @param {String} namespaces
+	* @api public
+	*/
+	function enable(namespaces) {
+		createDebug.save(namespaces);
+
+		createDebug.names = [];
+		createDebug.skips = [];
+
+		let i;
+		const split = (typeof namespaces === 'string' ? namespaces : '').split(/[\s,]+/);
+		const len = split.length;
+
+		for (i = 0; i < len; i++) {
+			if (!split[i]) {
+				// ignore empty strings
+				continue;
+			}
+
+			namespaces = split[i].replace(/\*/g, '.*?');
+
+			if (namespaces[0] === '-') {
+				createDebug.skips.push(new RegExp('^' + namespaces.substr(1) + '$'));
+			} else {
+				createDebug.names.push(new RegExp('^' + namespaces + '$'));
+			}
+		}
+	}
+
+	/**
+	* Disable debug output.
+	*
+	* @return {String} namespaces
+	* @api public
+	*/
+	function disable() {
+		const namespaces = [
+			...createDebug.names.map(toNamespace),
+			...createDebug.skips.map(toNamespace).map(namespace => '-' + namespace)
+		].join(',');
+		createDebug.enable('');
+		return namespaces;
+	}
+
+	/**
+	* Returns true if the given mode name is enabled, false otherwise.
+	*
+	* @param {String} name
+	* @return {Boolean}
+	* @api public
+	*/
+	function enabled(name) {
+		if (name[name.length - 1] === '*') {
+			return true;
+		}
+
+		let i;
+		let len;
+
+		for (i = 0, len = createDebug.skips.length; i < len; i++) {
+			if (createDebug.skips[i].test(name)) {
+				return false;
+			}
+		}
+
+		for (i = 0, len = createDebug.names.length; i < len; i++) {
+			if (createDebug.names[i].test(name)) {
+				return true;
+			}
+		}
+
+		return false;
+	}
+
+	/**
+	* Convert regexp to namespace
+	*
+	* @param {RegExp} regxep
+	* @return {String} namespace
+	* @api private
+	*/
+	function toNamespace(regexp) {
+		return regexp.toString()
+			.substring(2, regexp.toString().length - 2)
+			.replace(/\.\*\?$/, '*');
+	}
+
+	/**
+	* Coerce `val`.
+	*
+	* @param {Mixed} val
+	* @return {Mixed}
+	* @api private
+	*/
+	function coerce(val) {
+		if (val instanceof Error) {
+			return val.stack || val.message;
+		}
+		return val;
+	}
+
+	/**
+	* XXX DO NOT USE. This is a temporary stub function.
+	* XXX It WILL be removed in the next major release.
+	*/
+	function destroy() {
+		console.warn('Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.');
+	}
+
+	createDebug.enable(createDebug.load());
+
+	return createDebug;
+}
+
+var common = setup;
+
+/* eslint-env browser */
+
+var browser = createCommonjsModule(function (module, exports) {
+/**
+ * This is the web browser implementation of `debug()`.
+ */
+
+exports.formatArgs = formatArgs;
+exports.save = save;
+exports.load = load;
+exports.useColors = useColors;
+exports.storage = localstorage();
+exports.destroy = (() => {
+	let warned = false;
+
+	return () => {
+		if (!warned) {
+			warned = true;
+			console.warn('Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.');
+		}
+	};
+})();
+
+/**
+ * Colors.
+ */
+
+exports.colors = [
+	'#0000CC',
+	'#0000FF',
+	'#0033CC',
+	'#0033FF',
+	'#0066CC',
+	'#0066FF',
+	'#0099CC',
+	'#0099FF',
+	'#00CC00',
+	'#00CC33',
+	'#00CC66',
+	'#00CC99',
+	'#00CCCC',
+	'#00CCFF',
+	'#3300CC',
+	'#3300FF',
+	'#3333CC',
+	'#3333FF',
+	'#3366CC',
+	'#3366FF',
+	'#3399CC',
+	'#3399FF',
+	'#33CC00',
+	'#33CC33',
+	'#33CC66',
+	'#33CC99',
+	'#33CCCC',
+	'#33CCFF',
+	'#6600CC',
+	'#6600FF',
+	'#6633CC',
+	'#6633FF',
+	'#66CC00',
+	'#66CC33',
+	'#9900CC',
+	'#9900FF',
+	'#9933CC',
+	'#9933FF',
+	'#99CC00',
+	'#99CC33',
+	'#CC0000',
+	'#CC0033',
+	'#CC0066',
+	'#CC0099',
+	'#CC00CC',
+	'#CC00FF',
+	'#CC3300',
+	'#CC3333',
+	'#CC3366',
+	'#CC3399',
+	'#CC33CC',
+	'#CC33FF',
+	'#CC6600',
+	'#CC6633',
+	'#CC9900',
+	'#CC9933',
+	'#CCCC00',
+	'#CCCC33',
+	'#FF0000',
+	'#FF0033',
+	'#FF0066',
+	'#FF0099',
+	'#FF00CC',
+	'#FF00FF',
+	'#FF3300',
+	'#FF3333',
+	'#FF3366',
+	'#FF3399',
+	'#FF33CC',
+	'#FF33FF',
+	'#FF6600',
+	'#FF6633',
+	'#FF9900',
+	'#FF9933',
+	'#FFCC00',
+	'#FFCC33'
+];
+
+/**
+ * Currently only WebKit-based Web Inspectors, Firefox >= v31,
+ * and the Firebug extension (any Firefox version) are known
+ * to support "%c" CSS customizations.
+ *
+ * TODO: add a `localStorage` variable to explicitly enable/disable colors
+ */
+
+// eslint-disable-next-line complexity
+function useColors() {
+	// NB: In an Electron preload script, document will be defined but not fully
+	// initialized. Since we know we're in Chrome, we'll just detect this case
+	// explicitly
+	if (typeof window !== 'undefined' && window.process && (window.process.type === 'renderer' || window.process.__nwjs)) {
+		return true;
+	}
+
+	// Internet Explorer and Edge do not support colors.
+	if (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/(edge|trident)\/(\d+)/)) {
+		return false;
+	}
+
+	// Is webkit? http://stackoverflow.com/a/16459606/376773
+	// document is undefined in react-native: https://github.com/facebook/react-native/pull/1632
+	return (typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance) ||
+		// Is firebug? http://stackoverflow.com/a/398120/376773
+		(typeof window !== 'undefined' && window.console && (window.console.firebug || (window.console.exception && window.console.table))) ||
+		// Is firefox >= v31?
+		// https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
+		(typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31) ||
+		// Double check webkit in userAgent just in case we are in a worker
+		(typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/));
+}
+
+/**
+ * Colorize log arguments if enabled.
+ *
+ * @api public
+ */
+
+function formatArgs(args) {
+	args[0] = (this.useColors ? '%c' : '') +
+		this.namespace +
+		(this.useColors ? ' %c' : ' ') +
+		args[0] +
+		(this.useColors ? '%c ' : ' ') +
+		'+' + module.exports.humanize(this.diff);
+
+	if (!this.useColors) {
+		return;
+	}
+
+	const c = 'color: ' + this.color;
+	args.splice(1, 0, c, 'color: inherit');
+
+	// The final "%c" is somewhat tricky, because there could be other
+	// arguments passed either before or after the %c, so we need to
+	// figure out the correct index to insert the CSS into
+	let index = 0;
+	let lastC = 0;
+	args[0].replace(/%[a-zA-Z%]/g, match => {
+		if (match === '%%') {
+			return;
+		}
+		index++;
+		if (match === '%c') {
+			// We only are interested in the *last* %c
+			// (the user may have provided their own)
+			lastC = index;
+		}
+	});
+
+	args.splice(lastC, 0, c);
+}
+
+/**
+ * Invokes `console.debug()` when available.
+ * No-op when `console.debug` is not a "function".
+ * If `console.debug` is not available, falls back
+ * to `console.log`.
+ *
+ * @api public
+ */
+exports.log = console.debug || console.log || (() => {});
+
+/**
+ * Save `namespaces`.
+ *
+ * @param {String} namespaces
+ * @api private
+ */
+function save(namespaces) {
+	try {
+		if (namespaces) {
+			exports.storage.setItem('debug', namespaces);
+		} else {
+			exports.storage.removeItem('debug');
+		}
+	} catch (error) {
+		// Swallow
+		// XXX (@Qix-) should we be logging these?
+	}
+}
+
+/**
+ * Load `namespaces`.
+ *
+ * @return {String} returns the previously persisted debug modes
+ * @api private
+ */
+function load() {
+	let r;
+	try {
+		r = exports.storage.getItem('debug');
+	} catch (error) {
+		// Swallow
+		// XXX (@Qix-) should we be logging these?
+	}
+
+	// If debug isn't set in LS, and we're in Electron, try to load $DEBUG
+	if (!r && typeof process !== 'undefined' && 'env' in process) {
+		r = process.env.DEBUG;
+	}
+
+	return r;
+}
+
+/**
+ * Localstorage attempts to return the localstorage.
+ *
+ * This is necessary because safari throws
+ * when a user disables cookies/localstorage
+ * and you attempt to access it.
+ *
+ * @return {LocalStorage}
+ * @api private
+ */
+
+function localstorage() {
+	try {
+		// TVMLKit (Apple TV JS Runtime) does not have a window object, just localStorage in the global context
+		// The Browser also has localStorage in the global context.
+		return localStorage;
+	} catch (error) {
+		// Swallow
+		// XXX (@Qix-) should we be logging these?
+	}
+}
+
+module.exports = common(exports);
+
+const {formatters} = module.exports;
+
+/**
+ * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
+ */
+
+formatters.j = function (v) {
+	try {
+		return JSON.stringify(v);
+	} catch (error) {
+		return '[UnexpectedJSONParseError]: ' + error.message;
+	}
+};
+});
+
+var hasFlag = (flag, argv = process.argv) => {
+	const prefix = flag.startsWith('-') ? '' : (flag.length === 1 ? '-' : '--');
+	const position = argv.indexOf(prefix + flag);
+	const terminatorPosition = argv.indexOf('--');
+	return position !== -1 && (terminatorPosition === -1 || position < terminatorPosition);
+};
+
+const {env} = process;
+
+let forceColor;
+if (hasFlag('no-color') ||
+	hasFlag('no-colors') ||
+	hasFlag('color=false') ||
+	hasFlag('color=never')) {
+	forceColor = 0;
+} else if (hasFlag('color') ||
+	hasFlag('colors') ||
+	hasFlag('color=true') ||
+	hasFlag('color=always')) {
+	forceColor = 1;
+}
+
+if ('FORCE_COLOR' in env) {
+	if (env.FORCE_COLOR === 'true') {
+		forceColor = 1;
+	} else if (env.FORCE_COLOR === 'false') {
+		forceColor = 0;
+	} else {
+		forceColor = env.FORCE_COLOR.length === 0 ? 1 : Math.min(parseInt(env.FORCE_COLOR, 10), 3);
+	}
+}
+
+function translateLevel(level) {
+	if (level === 0) {
+		return false;
+	}
+
+	return {
+		level,
+		hasBasic: true,
+		has256: level >= 2,
+		has16m: level >= 3
+	};
+}
+
+function supportsColor(haveStream, streamIsTTY) {
+	if (forceColor === 0) {
+		return 0;
+	}
+
+	if (hasFlag('color=16m') ||
+		hasFlag('color=full') ||
+		hasFlag('color=truecolor')) {
+		return 3;
+	}
+
+	if (hasFlag('color=256')) {
+		return 2;
+	}
+
+	if (haveStream && !streamIsTTY && forceColor === undefined) {
+		return 0;
+	}
+
+	const min = forceColor || 0;
+
+	if (env.TERM === 'dumb') {
+		return min;
+	}
+
+	if (process.platform === 'win32') {
+		// Windows 10 build 10586 is the first Windows release that supports 256 colors.
+		// Windows 10 build 14931 is the first release that supports 16m/TrueColor.
+		const osRelease = os__default['default'].release().split('.');
+		if (
+			Number(osRelease[0]) >= 10 &&
+			Number(osRelease[2]) >= 10586
+		) {
+			return Number(osRelease[2]) >= 14931 ? 3 : 2;
+		}
+
+		return 1;
+	}
+
+	if ('CI' in env) {
+		if (['TRAVIS', 'CIRCLECI', 'APPVEYOR', 'GITLAB_CI', 'GITHUB_ACTIONS', 'BUILDKITE'].some(sign => sign in env) || env.CI_NAME === 'codeship') {
+			return 1;
+		}
+
+		return min;
+	}
+
+	if ('TEAMCITY_VERSION' in env) {
+		return /^(9\.(0*[1-9]\d*)\.|\d{2,}\.)/.test(env.TEAMCITY_VERSION) ? 1 : 0;
+	}
+
+	if (env.COLORTERM === 'truecolor') {
+		return 3;
+	}
+
+	if ('TERM_PROGRAM' in env) {
+		const version = parseInt((env.TERM_PROGRAM_VERSION || '').split('.')[0], 10);
+
+		switch (env.TERM_PROGRAM) {
+			case 'iTerm.app':
+				return version >= 3 ? 3 : 2;
+			case 'Apple_Terminal':
+				return 2;
+			// No default
+		}
+	}
+
+	if (/-256(color)?$/i.test(env.TERM)) {
+		return 2;
+	}
+
+	if (/^screen|^xterm|^vt100|^vt220|^rxvt|color|ansi|cygwin|linux/i.test(env.TERM)) {
+		return 1;
+	}
+
+	if ('COLORTERM' in env) {
+		return 1;
+	}
+
+	return min;
+}
+
+function getSupportLevel(stream) {
+	const level = supportsColor(stream, stream && stream.isTTY);
+	return translateLevel(level);
+}
+
+var supportsColor_1 = {
+	supportsColor: getSupportLevel,
+	stdout: translateLevel(supportsColor(true, tty__default['default'].isatty(1))),
+	stderr: translateLevel(supportsColor(true, tty__default['default'].isatty(2)))
+};
+
+/**
+ * Module dependencies.
+ */
+
+var node = createCommonjsModule(function (module, exports) {
+/**
+ * This is the Node.js implementation of `debug()`.
+ */
+
+exports.init = init;
+exports.log = log;
+exports.formatArgs = formatArgs;
+exports.save = save;
+exports.load = load;
+exports.useColors = useColors;
+exports.destroy = util__default['default'].deprecate(
+	() => {},
+	'Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.'
+);
+
+/**
+ * Colors.
+ */
+
+exports.colors = [6, 2, 3, 4, 5, 1];
+
+try {
+	// Optional dependency (as in, doesn't need to be installed, NOT like optionalDependencies in package.json)
+	// eslint-disable-next-line import/no-extraneous-dependencies
+	const supportsColor = supportsColor_1;
+
+	if (supportsColor && (supportsColor.stderr || supportsColor).level >= 2) {
+		exports.colors = [
+			20,
+			21,
+			26,
+			27,
+			32,
+			33,
+			38,
+			39,
+			40,
+			41,
+			42,
+			43,
+			44,
+			45,
+			56,
+			57,
+			62,
+			63,
+			68,
+			69,
+			74,
+			75,
+			76,
+			77,
+			78,
+			79,
+			80,
+			81,
+			92,
+			93,
+			98,
+			99,
+			112,
+			113,
+			128,
+			129,
+			134,
+			135,
+			148,
+			149,
+			160,
+			161,
+			162,
+			163,
+			164,
+			165,
+			166,
+			167,
+			168,
+			169,
+			170,
+			171,
+			172,
+			173,
+			178,
+			179,
+			184,
+			185,
+			196,
+			197,
+			198,
+			199,
+			200,
+			201,
+			202,
+			203,
+			204,
+			205,
+			206,
+			207,
+			208,
+			209,
+			214,
+			215,
+			220,
+			221
+		];
+	}
+} catch (error) {
+	// Swallow - we only care if `supports-color` is available; it doesn't have to be.
+}
+
+/**
+ * Build up the default `inspectOpts` object from the environment variables.
+ *
+ *   $ DEBUG_COLORS=no DEBUG_DEPTH=10 DEBUG_SHOW_HIDDEN=enabled node script.js
+ */
+
+exports.inspectOpts = Object.keys(process.env).filter(key => {
+	return /^debug_/i.test(key);
+}).reduce((obj, key) => {
+	// Camel-case
+	const prop = key
+		.substring(6)
+		.toLowerCase()
+		.replace(/_([a-z])/g, (_, k) => {
+			return k.toUpperCase();
+		});
+
+	// Coerce string value into JS value
+	let val = process.env[key];
+	if (/^(yes|on|true|enabled)$/i.test(val)) {
+		val = true;
+	} else if (/^(no|off|false|disabled)$/i.test(val)) {
+		val = false;
+	} else if (val === 'null') {
+		val = null;
+	} else {
+		val = Number(val);
+	}
+
+	obj[prop] = val;
+	return obj;
+}, {});
+
+/**
+ * Is stdout a TTY? Colored output is enabled when `true`.
+ */
+
+function useColors() {
+	return 'colors' in exports.inspectOpts ?
+		Boolean(exports.inspectOpts.colors) :
+		tty__default['default'].isatty(process.stderr.fd);
+}
+
+/**
+ * Adds ANSI color escape codes if enabled.
+ *
+ * @api public
+ */
+
+function formatArgs(args) {
+	const {namespace: name, useColors} = this;
+
+	if (useColors) {
+		const c = this.color;
+		const colorCode = '\u001B[3' + (c < 8 ? c : '8;5;' + c);
+		const prefix = `  ${colorCode};1m${name} \u001B[0m`;
+
+		args[0] = prefix + args[0].split('\n').join('\n' + prefix);
+		args.push(colorCode + 'm+' + module.exports.humanize(this.diff) + '\u001B[0m');
+	} else {
+		args[0] = getDate() + name + ' ' + args[0];
+	}
+}
+
+function getDate() {
+	if (exports.inspectOpts.hideDate) {
+		return '';
+	}
+	return new Date().toISOString() + ' ';
+}
+
+/**
+ * Invokes `util.format()` with the specified arguments and writes to stderr.
+ */
+
+function log(...args) {
+	return process.stderr.write(util__default['default'].format(...args) + '\n');
+}
+
+/**
+ * Save `namespaces`.
+ *
+ * @param {String} namespaces
+ * @api private
+ */
+function save(namespaces) {
+	if (namespaces) {
+		process.env.DEBUG = namespaces;
+	} else {
+		// If you set a process.env field to null or undefined, it gets cast to the
+		// string 'null' or 'undefined'. Just delete instead.
+		delete process.env.DEBUG;
+	}
+}
+
+/**
+ * Load `namespaces`.
+ *
+ * @return {String} returns the previously persisted debug modes
+ * @api private
+ */
+
+function load() {
+	return process.env.DEBUG;
+}
+
+/**
+ * Init logic for `debug` instances.
+ *
+ * Create a new `inspectOpts` object in case `useColors` is set
+ * differently for a particular `debug` instance.
+ */
+
+function init(debug) {
+	debug.inspectOpts = {};
+
+	const keys = Object.keys(exports.inspectOpts);
+	for (let i = 0; i < keys.length; i++) {
+		debug.inspectOpts[keys[i]] = exports.inspectOpts[keys[i]];
+	}
+}
+
+module.exports = common(exports);
+
+const {formatters} = module.exports;
+
+/**
+ * Map %o to `util.inspect()`, all on a single line.
+ */
+
+formatters.o = function (v) {
+	this.inspectOpts.colors = this.useColors;
+	return util__default['default'].inspect(v, this.inspectOpts)
+		.split('\n')
+		.map(str => str.trim())
+		.join(' ');
+};
+
+/**
+ * Map %O to `util.inspect()`, allowing multiple lines if needed.
+ */
+
+formatters.O = function (v) {
+	this.inspectOpts.colors = this.useColors;
+	return util__default['default'].inspect(v, this.inspectOpts);
+};
+});
+
+/**
+ * Detect Electron renderer / nwjs process, which is node, but we should
+ * treat as a browser.
+ */
+
+var src = createCommonjsModule(function (module) {
+if (typeof process === 'undefined' || process.type === 'renderer' || process.browser === true || process.__nwjs) {
+	module.exports = browser;
+} else {
+	module.exports = node;
+}
+});
+
+var debug;
+try {
+  /* eslint global-require: off */
+  debug = src("follow-redirects");
+}
+catch (error) {
+  debug = function () { /* */ };
+}
+var debug_1 = debug;
+
+var URL$1 = url__default['default'].URL;
+
+
+var Writable = require$$0__default['default'].Writable;
+
+
+
+// Create handlers that pass events from native requests
+var eventHandlers = Object.create(null);
+["abort", "aborted", "connect", "error", "socket", "timeout"].forEach(function (event) {
+  eventHandlers[event] = function (arg1, arg2, arg3) {
+    this._redirectable.emit(event, arg1, arg2, arg3);
+  };
+});
+
+// Error types with codes
+var RedirectionError = createErrorType(
+  "ERR_FR_REDIRECTION_FAILURE",
+  ""
+);
+var TooManyRedirectsError = createErrorType(
+  "ERR_FR_TOO_MANY_REDIRECTS",
+  "Maximum number of redirects exceeded"
+);
+var MaxBodyLengthExceededError = createErrorType(
+  "ERR_FR_MAX_BODY_LENGTH_EXCEEDED",
+  "Request body larger than maxBodyLength limit"
+);
+var WriteAfterEndError = createErrorType(
+  "ERR_STREAM_WRITE_AFTER_END",
+  "write after end"
+);
+
+// An HTTP(S) request that can be redirected
+function RedirectableRequest(options, responseCallback) {
+  // Initialize the request
+  Writable.call(this);
+  this._sanitizeOptions(options);
+  this._options = options;
+  this._ended = false;
+  this._ending = false;
+  this._redirectCount = 0;
+  this._redirects = [];
+  this._requestBodyLength = 0;
+  this._requestBodyBuffers = [];
+
+  // Attach a callback if passed
+  if (responseCallback) {
+    this.on("response", responseCallback);
+  }
+
+  // React to responses of native requests
+  var self = this;
+  this._onNativeResponse = function (response) {
+    self._processResponse(response);
+  };
+
+  // Perform the first request
+  this._performRequest();
+}
+RedirectableRequest.prototype = Object.create(Writable.prototype);
+
+// Writes buffered data to the current native request
+RedirectableRequest.prototype.write = function (data, encoding, callback) {
+  // Writing is not allowed if end has been called
+  if (this._ending) {
+    throw new WriteAfterEndError();
+  }
+
+  // Validate input and shift parameters if necessary
+  if (!(typeof data === "string" || typeof data === "object" && ("length" in data))) {
+    throw new TypeError("data should be a string, Buffer or Uint8Array");
+  }
+  if (typeof encoding === "function") {
+    callback = encoding;
+    encoding = null;
+  }
+
+  // Ignore empty buffers, since writing them doesn't invoke the callback
+  // https://github.com/nodejs/node/issues/22066
+  if (data.length === 0) {
+    if (callback) {
+      callback();
+    }
+    return;
+  }
+  // Only write when we don't exceed the maximum body length
+  if (this._requestBodyLength + data.length <= this._options.maxBodyLength) {
+    this._requestBodyLength += data.length;
+    this._requestBodyBuffers.push({ data: data, encoding: encoding });
+    this._currentRequest.write(data, encoding, callback);
+  }
+  // Error when we exceed the maximum body length
+  else {
+    this.emit("error", new MaxBodyLengthExceededError());
+    this.abort();
+  }
+};
+
+// Ends the current native request
+RedirectableRequest.prototype.end = function (data, encoding, callback) {
+  // Shift parameters if necessary
+  if (typeof data === "function") {
+    callback = data;
+    data = encoding = null;
+  }
+  else if (typeof encoding === "function") {
+    callback = encoding;
+    encoding = null;
+  }
+
+  // Write data if needed and end
+  if (!data) {
+    this._ended = this._ending = true;
+    this._currentRequest.end(null, null, callback);
+  }
+  else {
+    var self = this;
+    var currentRequest = this._currentRequest;
+    this.write(data, encoding, function () {
+      self._ended = true;
+      currentRequest.end(null, null, callback);
+    });
+    this._ending = true;
+  }
+};
+
+// Sets a header value on the current native request
+RedirectableRequest.prototype.setHeader = function (name, value) {
+  this._options.headers[name] = value;
+  this._currentRequest.setHeader(name, value);
+};
+
+// Clears a header value on the current native request
+RedirectableRequest.prototype.removeHeader = function (name) {
+  delete this._options.headers[name];
+  this._currentRequest.removeHeader(name);
+};
+
+// Global timeout for all underlying requests
+RedirectableRequest.prototype.setTimeout = function (msecs, callback) {
+  if (callback) {
+    this.once("timeout", callback);
+  }
+
+  if (this.socket) {
+    startTimer(this, msecs);
+  }
+  else {
+    var self = this;
+    this._currentRequest.once("socket", function () {
+      startTimer(self, msecs);
+    });
+  }
+
+  this.once("response", clearTimer);
+  this.once("error", clearTimer);
+
+  return this;
+};
+
+function startTimer(request, msecs) {
+  clearTimeout(request._timeout);
+  request._timeout = setTimeout(function () {
+    request.emit("timeout");
+  }, msecs);
+}
+
+function clearTimer() {
+  clearTimeout(this._timeout);
+}
+
+// Proxy all other public ClientRequest methods
+[
+  "abort", "flushHeaders", "getHeader",
+  "setNoDelay", "setSocketKeepAlive",
+].forEach(function (method) {
+  RedirectableRequest.prototype[method] = function (a, b) {
+    return this._currentRequest[method](a, b);
+  };
+});
+
+// Proxy all public ClientRequest properties
+["aborted", "connection", "socket"].forEach(function (property) {
+  Object.defineProperty(RedirectableRequest.prototype, property, {
+    get: function () { return this._currentRequest[property]; },
+  });
+});
+
+RedirectableRequest.prototype._sanitizeOptions = function (options) {
+  // Ensure headers are always present
+  if (!options.headers) {
+    options.headers = {};
+  }
+
+  // Since http.request treats host as an alias of hostname,
+  // but the url module interprets host as hostname plus port,
+  // eliminate the host property to avoid confusion.
+  if (options.host) {
+    // Use hostname if set, because it has precedence
+    if (!options.hostname) {
+      options.hostname = options.host;
+    }
+    delete options.host;
+  }
+
+  // Complete the URL object when necessary
+  if (!options.pathname && options.path) {
+    var searchPos = options.path.indexOf("?");
+    if (searchPos < 0) {
+      options.pathname = options.path;
+    }
+    else {
+      options.pathname = options.path.substring(0, searchPos);
+      options.search = options.path.substring(searchPos);
+    }
+  }
+};
+
+
+// Executes the next native request (initial or redirect)
+RedirectableRequest.prototype._performRequest = function () {
+  // Load the native protocol
+  var protocol = this._options.protocol;
+  var nativeProtocol = this._options.nativeProtocols[protocol];
+  if (!nativeProtocol) {
+    this.emit("error", new TypeError("Unsupported protocol " + protocol));
+    return;
+  }
+
+  // If specified, use the agent corresponding to the protocol
+  // (HTTP and HTTPS use different types of agents)
+  if (this._options.agents) {
+    var scheme = protocol.substr(0, protocol.length - 1);
+    this._options.agent = this._options.agents[scheme];
+  }
+
+  // Create the native request
+  var request = this._currentRequest =
+        nativeProtocol.request(this._options, this._onNativeResponse);
+  this._currentUrl = url__default['default'].format(this._options);
+
+  // Set up event handlers
+  request._redirectable = this;
+  for (var event in eventHandlers) {
+    /* istanbul ignore else */
+    if (event) {
+      request.on(event, eventHandlers[event]);
+    }
+  }
+
+  // End a redirected request
+  // (The first request must be ended explicitly with RedirectableRequest#end)
+  if (this._isRedirect) {
+    // Write the request entity and end.
+    var i = 0;
+    var self = this;
+    var buffers = this._requestBodyBuffers;
+    (function writeNext(error) {
+      // Only write if this request has not been redirected yet
+      /* istanbul ignore else */
+      if (request === self._currentRequest) {
+        // Report any write errors
+        /* istanbul ignore if */
+        if (error) {
+          self.emit("error", error);
+        }
+        // Write the next buffer if there are still left
+        else if (i < buffers.length) {
+          var buffer = buffers[i++];
+          /* istanbul ignore else */
+          if (!request.finished) {
+            request.write(buffer.data, buffer.encoding, writeNext);
+          }
+        }
+        // End the request if `end` has been called on us
+        else if (self._ended) {
+          request.end();
+        }
+      }
+    }());
+  }
+};
+
+// Processes a response from the current native request
+RedirectableRequest.prototype._processResponse = function (response) {
+  // Store the redirected response
+  var statusCode = response.statusCode;
+  if (this._options.trackRedirects) {
+    this._redirects.push({
+      url: this._currentUrl,
+      headers: response.headers,
+      statusCode: statusCode,
+    });
+  }
+
+  // RFC7231§6.4: The 3xx (Redirection) class of status code indicates
+  // that further action needs to be taken by the user agent in order to
+  // fulfill the request. If a Location header field is provided,
+  // the user agent MAY automatically redirect its request to the URI
+  // referenced by the Location field value,
+  // even if the specific status code is not understood.
+  var location = response.headers.location;
+  if (location && this._options.followRedirects !== false &&
+      statusCode >= 300 && statusCode < 400) {
+    // Abort the current request
+    this._currentRequest.removeAllListeners();
+    this._currentRequest.on("error", noop);
+    this._currentRequest.abort();
+    // Discard the remainder of the response to avoid waiting for data
+    response.destroy();
+
+    // RFC7231§6.4: A client SHOULD detect and intervene
+    // in cyclical redirections (i.e., "infinite" redirection loops).
+    if (++this._redirectCount > this._options.maxRedirects) {
+      this.emit("error", new TooManyRedirectsError());
+      return;
+    }
+
+    // RFC7231§6.4: Automatic redirection needs to done with
+    // care for methods not known to be safe, […]
+    // RFC7231§6.4.2–3: For historical reasons, a user agent MAY change
+    // the request method from POST to GET for the subsequent request.
+    if ((statusCode === 301 || statusCode === 302) && this._options.method === "POST" ||
+        // RFC7231§6.4.4: The 303 (See Other) status code indicates that
+        // the server is redirecting the user agent to a different resource […]
+        // A user agent can perform a retrieval request targeting that URI
+        // (a GET or HEAD request if using HTTP) […]
+        (statusCode === 303) && !/^(?:GET|HEAD)$/.test(this._options.method)) {
+      this._options.method = "GET";
+      // Drop a possible entity and headers related to it
+      this._requestBodyBuffers = [];
+      removeMatchingHeaders(/^content-/i, this._options.headers);
+    }
+
+    // Drop the Host header, as the redirect might lead to a different host
+    var previousHostName = removeMatchingHeaders(/^host$/i, this._options.headers) ||
+      url__default['default'].parse(this._currentUrl).hostname;
+
+    // Create the redirected request
+    var redirectUrl = url__default['default'].resolve(this._currentUrl, location);
+    debug_1("redirecting to", redirectUrl);
+    this._isRedirect = true;
+    var redirectUrlParts = url__default['default'].parse(redirectUrl);
+    Object.assign(this._options, redirectUrlParts);
+
+    // Drop the Authorization header if redirecting to another host
+    if (redirectUrlParts.hostname !== previousHostName) {
+      removeMatchingHeaders(/^authorization$/i, this._options.headers);
+    }
+
+    // Evaluate the beforeRedirect callback
+    if (typeof this._options.beforeRedirect === "function") {
+      var responseDetails = { headers: response.headers };
+      try {
+        this._options.beforeRedirect.call(null, this._options, responseDetails);
+      }
+      catch (err) {
+        this.emit("error", err);
+        return;
+      }
+      this._sanitizeOptions(this._options);
+    }
+
+    // Perform the redirected request
+    try {
+      this._performRequest();
+    }
+    catch (cause) {
+      var error = new RedirectionError("Redirected request failed: " + cause.message);
+      error.cause = cause;
+      this.emit("error", error);
+    }
+  }
+  else {
+    // The response is not a redirect; return it as-is
+    response.responseUrl = this._currentUrl;
+    response.redirects = this._redirects;
+    this.emit("response", response);
+
+    // Clean up
+    this._requestBodyBuffers = [];
+  }
+};
+
+// Wraps the key/value object of protocols with redirect functionality
+function wrap(protocols) {
+  // Default settings
+  var exports = {
+    maxRedirects: 21,
+    maxBodyLength: 10 * 1024 * 1024,
+  };
+
+  // Wrap each protocol
+  var nativeProtocols = {};
+  Object.keys(protocols).forEach(function (scheme) {
+    var protocol = scheme + ":";
+    var nativeProtocol = nativeProtocols[protocol] = protocols[scheme];
+    var wrappedProtocol = exports[scheme] = Object.create(nativeProtocol);
+
+    // Executes a request, following redirects
+    function request(input, options, callback) {
+      // Parse parameters
+      if (typeof input === "string") {
+        var urlStr = input;
+        try {
+          input = urlToOptions(new URL$1(urlStr));
+        }
+        catch (err) {
+          /* istanbul ignore next */
+          input = url__default['default'].parse(urlStr);
+        }
+      }
+      else if (URL$1 && (input instanceof URL$1)) {
+        input = urlToOptions(input);
+      }
+      else {
+        callback = options;
+        options = input;
+        input = { protocol: protocol };
+      }
+      if (typeof options === "function") {
+        callback = options;
+        options = null;
+      }
+
+      // Set defaults
+      options = Object.assign({
+        maxRedirects: exports.maxRedirects,
+        maxBodyLength: exports.maxBodyLength,
+      }, input, options);
+      options.nativeProtocols = nativeProtocols;
+
+      assert__default['default'].equal(options.protocol, protocol, "protocol mismatch");
+      debug_1("options", options);
+      return new RedirectableRequest(options, callback);
+    }
+
+    // Executes a GET request, following redirects
+    function get(input, options, callback) {
+      var wrappedRequest = wrappedProtocol.request(input, options, callback);
+      wrappedRequest.end();
+      return wrappedRequest;
+    }
+
+    // Expose the properties on the wrapped protocol
+    Object.defineProperties(wrappedProtocol, {
+      request: { value: request, configurable: true, enumerable: true, writable: true },
+      get: { value: get, configurable: true, enumerable: true, writable: true },
+    });
+  });
+  return exports;
+}
+
+/* istanbul ignore next */
+function noop() { /* empty */ }
+
+// from https://github.com/nodejs/node/blob/master/lib/internal/url.js
+function urlToOptions(urlObject) {
+  var options = {
+    protocol: urlObject.protocol,
+    hostname: urlObject.hostname.startsWith("[") ?
+      /* istanbul ignore next */
+      urlObject.hostname.slice(1, -1) :
+      urlObject.hostname,
+    hash: urlObject.hash,
+    search: urlObject.search,
+    pathname: urlObject.pathname,
+    path: urlObject.pathname + urlObject.search,
+    href: urlObject.href,
+  };
+  if (urlObject.port !== "") {
+    options.port = Number(urlObject.port);
+  }
+  return options;
+}
+
+function removeMatchingHeaders(regex, headers) {
+  var lastValue;
+  for (var header in headers) {
+    if (regex.test(header)) {
+      lastValue = headers[header];
+      delete headers[header];
+    }
+  }
+  return lastValue;
+}
+
+function createErrorType(code, defaultMessage) {
+  function CustomError(message) {
+    Error.captureStackTrace(this, this.constructor);
+    this.message = message || defaultMessage;
+  }
+  CustomError.prototype = new Error();
+  CustomError.prototype.constructor = CustomError;
+  CustomError.prototype.name = "Error [" + code + "]";
+  CustomError.prototype.code = code;
+  return CustomError;
+}
+
+// Exports
+var followRedirects = wrap({ http: http__default['default'], https: https__default['default'] });
+var wrap_1 = wrap;
+followRedirects.wrap = wrap_1;
+
+var name = "axios";
+var version = "0.21.1";
+var description = "Promise based HTTP client for the browser and node.js";
+var main = "index.js";
+var scripts = {
+	test: "grunt test && bundlesize",
+	start: "node ./sandbox/server.js",
+	build: "NODE_ENV=production grunt build",
+	preversion: "npm test",
+	version: "npm run build && grunt version && git add -A dist && git add CHANGELOG.md bower.json package.json",
+	postversion: "git push && git push --tags",
+	examples: "node ./examples/server.js",
+	coveralls: "cat coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js",
+	fix: "eslint --fix lib/**/*.js"
+};
+var repository = {
+	type: "git",
+	url: "https://github.com/axios/axios.git"
+};
+var keywords = [
+	"xhr",
+	"http",
+	"ajax",
+	"promise",
+	"node"
+];
+var author = "Matt Zabriskie";
+var license = "MIT";
+var bugs = {
+	url: "https://github.com/axios/axios/issues"
+};
+var homepage = "https://github.com/axios/axios";
+var devDependencies = {
+	bundlesize: "^0.17.0",
+	coveralls: "^3.0.0",
+	"es6-promise": "^4.2.4",
+	grunt: "^1.0.2",
+	"grunt-banner": "^0.6.0",
+	"grunt-cli": "^1.2.0",
+	"grunt-contrib-clean": "^1.1.0",
+	"grunt-contrib-watch": "^1.0.0",
+	"grunt-eslint": "^20.1.0",
+	"grunt-karma": "^2.0.0",
+	"grunt-mocha-test": "^0.13.3",
+	"grunt-ts": "^6.0.0-beta.19",
+	"grunt-webpack": "^1.0.18",
+	"istanbul-instrumenter-loader": "^1.0.0",
+	"jasmine-core": "^2.4.1",
+	karma: "^1.3.0",
+	"karma-chrome-launcher": "^2.2.0",
+	"karma-coverage": "^1.1.1",
+	"karma-firefox-launcher": "^1.1.0",
+	"karma-jasmine": "^1.1.1",
+	"karma-jasmine-ajax": "^0.1.13",
+	"karma-opera-launcher": "^1.0.0",
+	"karma-safari-launcher": "^1.0.0",
+	"karma-sauce-launcher": "^1.2.0",
+	"karma-sinon": "^1.0.5",
+	"karma-sourcemap-loader": "^0.3.7",
+	"karma-webpack": "^1.7.0",
+	"load-grunt-tasks": "^3.5.2",
+	minimist: "^1.2.0",
+	mocha: "^5.2.0",
+	sinon: "^4.5.0",
+	typescript: "^2.8.1",
+	"url-search-params": "^0.10.0",
+	webpack: "^1.13.1",
+	"webpack-dev-server": "^1.14.1"
+};
+var browser$1 = {
+	"./lib/adapters/http.js": "./lib/adapters/xhr.js"
+};
+var jsdelivr = "dist/axios.min.js";
+var unpkg = "dist/axios.min.js";
+var typings = "./index.d.ts";
+var dependencies = {
+	"follow-redirects": "^1.10.0"
+};
+var bundlesize = [
+	{
+		path: "./dist/axios.min.js",
+		threshold: "5kB"
+	}
+];
+var pkg = {
+	name: name,
+	version: version,
+	description: description,
+	main: main,
+	scripts: scripts,
+	repository: repository,
+	keywords: keywords,
+	author: author,
+	license: license,
+	bugs: bugs,
+	homepage: homepage,
+	devDependencies: devDependencies,
+	browser: browser$1,
+	jsdelivr: jsdelivr,
+	unpkg: unpkg,
+	typings: typings,
+	dependencies: dependencies,
+	bundlesize: bundlesize
+};
+
+var httpFollow = followRedirects.http;
+var httpsFollow = followRedirects.https;
+
+
+
+
+
+
+var isHttps = /https:?/;
+
+/**
+ *
+ * @param {http.ClientRequestArgs} options
+ * @param {AxiosProxyConfig} proxy
+ * @param {string} location
+ */
+function setProxy(options, proxy, location) {
+  options.hostname = proxy.host;
+  options.host = proxy.host;
+  options.port = proxy.port;
+  options.path = location;
+
+  // Basic proxy authorization
+  if (proxy.auth) {
+    var base64 = Buffer.from(proxy.auth.username + ':' + proxy.auth.password, 'utf8').toString('base64');
+    options.headers['Proxy-Authorization'] = 'Basic ' + base64;
+  }
+
+  // If a proxy is used, any redirects must also pass through the proxy
+  options.beforeRedirect = function beforeRedirect(redirection) {
+    redirection.headers.host = redirection.host;
+    setProxy(redirection, proxy, redirection.href);
+  };
+}
+
+/*eslint consistent-return:0*/
+var http_1 = function httpAdapter(config) {
+  return new Promise(function dispatchHttpRequest(resolvePromise, rejectPromise) {
+    var resolve = function resolve(value) {
+      resolvePromise(value);
+    };
+    var reject = function reject(value) {
+      rejectPromise(value);
+    };
+    var data = config.data;
+    var headers = config.headers;
+
+    // Set User-Agent (required by some servers)
+    // Only set header if it hasn't been set in config
+    // See https://github.com/axios/axios/issues/69
+    if (!headers['User-Agent'] && !headers['user-agent']) {
+      headers['User-Agent'] = 'axios/' + pkg.version;
+    }
+
+    if (data && !utils.isStream(data)) {
+      if (Buffer.isBuffer(data)) ; else if (utils.isArrayBuffer(data)) {
+        data = Buffer.from(new Uint8Array(data));
+      } else if (utils.isString(data)) {
+        data = Buffer.from(data, 'utf-8');
+      } else {
+        return reject(createError(
+          'Data after transformation must be a string, an ArrayBuffer, a Buffer, or a Stream',
+          config
+        ));
+      }
+
+      // Add Content-Length header if data exists
+      headers['Content-Length'] = data.length;
+    }
+
+    // HTTP basic authentication
+    var auth = undefined;
+    if (config.auth) {
+      var username = config.auth.username || '';
+      var password = config.auth.password || '';
+      auth = username + ':' + password;
+    }
+
+    // Parse url
+    var fullPath = buildFullPath(config.baseURL, config.url);
+    var parsed = url__default['default'].parse(fullPath);
+    var protocol = parsed.protocol || 'http:';
+
+    if (!auth && parsed.auth) {
+      var urlAuth = parsed.auth.split(':');
+      var urlUsername = urlAuth[0] || '';
+      var urlPassword = urlAuth[1] || '';
+      auth = urlUsername + ':' + urlPassword;
+    }
+
+    if (auth) {
+      delete headers.Authorization;
+    }
+
+    var isHttpsRequest = isHttps.test(protocol);
+    var agent = isHttpsRequest ? config.httpsAgent : config.httpAgent;
+
+    var options = {
+      path: buildURL(parsed.path, config.params, config.paramsSerializer).replace(/^\?/, ''),
+      method: config.method.toUpperCase(),
+      headers: headers,
+      agent: agent,
+      agents: { http: config.httpAgent, https: config.httpsAgent },
+      auth: auth
+    };
+
+    if (config.socketPath) {
+      options.socketPath = config.socketPath;
+    } else {
+      options.hostname = parsed.hostname;
+      options.port = parsed.port;
+    }
+
+    var proxy = config.proxy;
+    if (!proxy && proxy !== false) {
+      var proxyEnv = protocol.slice(0, -1) + '_proxy';
+      var proxyUrl = process.env[proxyEnv] || process.env[proxyEnv.toUpperCase()];
+      if (proxyUrl) {
+        var parsedProxyUrl = url__default['default'].parse(proxyUrl);
+        var noProxyEnv = process.env.no_proxy || process.env.NO_PROXY;
+        var shouldProxy = true;
+
+        if (noProxyEnv) {
+          var noProxy = noProxyEnv.split(',').map(function trim(s) {
+            return s.trim();
+          });
+
+          shouldProxy = !noProxy.some(function proxyMatch(proxyElement) {
+            if (!proxyElement) {
+              return false;
+            }
+            if (proxyElement === '*') {
+              return true;
+            }
+            if (proxyElement[0] === '.' &&
+                parsed.hostname.substr(parsed.hostname.length - proxyElement.length) === proxyElement) {
+              return true;
+            }
+
+            return parsed.hostname === proxyElement;
+          });
+        }
+
+        if (shouldProxy) {
+          proxy = {
+            host: parsedProxyUrl.hostname,
+            port: parsedProxyUrl.port,
+            protocol: parsedProxyUrl.protocol
+          };
+
+          if (parsedProxyUrl.auth) {
+            var proxyUrlAuth = parsedProxyUrl.auth.split(':');
+            proxy.auth = {
+              username: proxyUrlAuth[0],
+              password: proxyUrlAuth[1]
+            };
+          }
+        }
+      }
+    }
+
+    if (proxy) {
+      options.headers.host = parsed.hostname + (parsed.port ? ':' + parsed.port : '');
+      setProxy(options, proxy, protocol + '//' + parsed.hostname + (parsed.port ? ':' + parsed.port : '') + options.path);
+    }
+
+    var transport;
+    var isHttpsProxy = isHttpsRequest && (proxy ? isHttps.test(proxy.protocol) : true);
+    if (config.transport) {
+      transport = config.transport;
+    } else if (config.maxRedirects === 0) {
+      transport = isHttpsProxy ? https__default['default'] : http__default['default'];
+    } else {
+      if (config.maxRedirects) {
+        options.maxRedirects = config.maxRedirects;
+      }
+      transport = isHttpsProxy ? httpsFollow : httpFollow;
+    }
+
+    if (config.maxBodyLength > -1) {
+      options.maxBodyLength = config.maxBodyLength;
+    }
+
+    // Create the request
+    var req = transport.request(options, function handleResponse(res) {
+      if (req.aborted) return;
+
+      // uncompress the response body transparently if required
+      var stream = res;
+
+      // return the last request in case of redirects
+      var lastRequest = res.req || req;
+
+
+      // if no content, is HEAD request or decompress disabled we should not decompress
+      if (res.statusCode !== 204 && lastRequest.method !== 'HEAD' && config.decompress !== false) {
+        switch (res.headers['content-encoding']) {
+        /*eslint default-case:0*/
+        case 'gzip':
+        case 'compress':
+        case 'deflate':
+        // add the unzipper to the body stream processing pipeline
+          stream = stream.pipe(zlib__default['default'].createUnzip());
+
+          // remove the content-encoding in order to not confuse downstream operations
+          delete res.headers['content-encoding'];
+          break;
+        }
+      }
+
+      var response = {
+        status: res.statusCode,
+        statusText: res.statusMessage,
+        headers: res.headers,
+        config: config,
+        request: lastRequest
+      };
+
+      if (config.responseType === 'stream') {
+        response.data = stream;
+        settle(resolve, reject, response);
+      } else {
+        var responseBuffer = [];
+        stream.on('data', function handleStreamData(chunk) {
+          responseBuffer.push(chunk);
+
+          // make sure the content length is not over the maxContentLength if specified
+          if (config.maxContentLength > -1 && Buffer.concat(responseBuffer).length > config.maxContentLength) {
+            stream.destroy();
+            reject(createError('maxContentLength size of ' + config.maxContentLength + ' exceeded',
+              config, null, lastRequest));
+          }
+        });
+
+        stream.on('error', function handleStreamError(err) {
+          if (req.aborted) return;
+          reject(enhanceError(err, config, null, lastRequest));
+        });
+
+        stream.on('end', function handleStreamEnd() {
+          var responseData = Buffer.concat(responseBuffer);
+          if (config.responseType !== 'arraybuffer') {
+            responseData = responseData.toString(config.responseEncoding);
+            if (!config.responseEncoding || config.responseEncoding === 'utf8') {
+              responseData = utils.stripBOM(responseData);
+            }
+          }
+
+          response.data = responseData;
+          settle(resolve, reject, response);
+        });
+      }
+    });
+
+    // Handle errors
+    req.on('error', function handleRequestError(err) {
+      if (req.aborted && err.code !== 'ERR_FR_TOO_MANY_REDIRECTS') return;
+      reject(enhanceError(err, config, null, req));
+    });
+
+    // Handle request timeout
+    if (config.timeout) {
+      // Sometime, the response will be very slow, and does not respond, the connect event will be block by event loop system.
+      // And timer callback will be fired, and abort() will be invoked before connection, then get "socket hang up" and code ECONNRESET.
+      // At this time, if we have a large number of request, nodejs will hang up some socket on background. and the number will up and up.
+      // And then these socket which be hang up will devoring CPU little by little.
+      // ClientRequest.setTimeout will be fired on the specify milliseconds, and can make sure that abort() will be fired after connect.
+      req.setTimeout(config.timeout, function handleRequestTimeout() {
+        req.abort();
+        reject(createError('timeout of ' + config.timeout + 'ms exceeded', config, 'ECONNABORTED', req));
+      });
+    }
+
+    if (config.cancelToken) {
+      // Handle cancellation
+      config.cancelToken.promise.then(function onCanceled(cancel) {
+        if (req.aborted) return;
+
+        req.abort();
+        reject(cancel);
+      });
+    }
+
+    // Send the request
+    if (utils.isStream(data)) {
+      data.on('error', function handleStreamError(err) {
+        reject(enhanceError(err, config, null, req));
+      }).pipe(req);
+    } else {
+      req.end(data);
+    }
+  });
+};
+
+var DEFAULT_CONTENT_TYPE = {
+  'Content-Type': 'application/x-www-form-urlencoded'
+};
+
+function setContentTypeIfUnset(headers, value) {
+  if (!utils.isUndefined(headers) && utils.isUndefined(headers['Content-Type'])) {
+    headers['Content-Type'] = value;
+  }
+}
+
+function getDefaultAdapter() {
+  var adapter;
+  if (typeof XMLHttpRequest !== 'undefined') {
+    // For browsers use XHR adapter
+    adapter = xhr;
+  } else if (typeof process !== 'undefined' && Object.prototype.toString.call(process) === '[object process]') {
+    // For node use HTTP adapter
+    adapter = http_1;
+  }
+  return adapter;
+}
+
+var defaults = {
+  adapter: getDefaultAdapter(),
+
+  transformRequest: [function transformRequest(data, headers) {
+    normalizeHeaderName(headers, 'Accept');
+    normalizeHeaderName(headers, 'Content-Type');
+    if (utils.isFormData(data) ||
+      utils.isArrayBuffer(data) ||
+      utils.isBuffer(data) ||
+      utils.isStream(data) ||
+      utils.isFile(data) ||
+      utils.isBlob(data)
+    ) {
+      return data;
+    }
+    if (utils.isArrayBufferView(data)) {
+      return data.buffer;
+    }
+    if (utils.isURLSearchParams(data)) {
+      setContentTypeIfUnset(headers, 'application/x-www-form-urlencoded;charset=utf-8');
+      return data.toString();
+    }
+    if (utils.isObject(data)) {
+      setContentTypeIfUnset(headers, 'application/json;charset=utf-8');
+      return JSON.stringify(data);
+    }
+    return data;
+  }],
+
+  transformResponse: [function transformResponse(data) {
+    /*eslint no-param-reassign:0*/
+    if (typeof data === 'string') {
+      try {
+        data = JSON.parse(data);
+      } catch (e) { /* Ignore */ }
+    }
+    return data;
+  }],
+
+  /**
+   * A timeout in milliseconds to abort a request. If set to 0 (default) a
+   * timeout is not created.
+   */
+  timeout: 0,
+
+  xsrfCookieName: 'XSRF-TOKEN',
+  xsrfHeaderName: 'X-XSRF-TOKEN',
+
+  maxContentLength: -1,
+  maxBodyLength: -1,
+
+  validateStatus: function validateStatus(status) {
+    return status >= 200 && status < 300;
+  }
+};
+
+defaults.headers = {
+  common: {
+    'Accept': 'application/json, text/plain, */*'
+  }
+};
+
+utils.forEach(['delete', 'get', 'head'], function forEachMethodNoData(method) {
+  defaults.headers[method] = {};
+});
+
+utils.forEach(['post', 'put', 'patch'], function forEachMethodWithData(method) {
+  defaults.headers[method] = utils.merge(DEFAULT_CONTENT_TYPE);
+});
+
+var defaults_1 = defaults;
+
+/**
+ * Throws a `Cancel` if cancellation has been requested.
+ */
+function throwIfCancellationRequested(config) {
+  if (config.cancelToken) {
+    config.cancelToken.throwIfRequested();
+  }
+}
+
+/**
+ * Dispatch a request to the server using the configured adapter.
+ *
+ * @param {object} config The config that is to be used for the request
+ * @returns {Promise} The Promise to be fulfilled
+ */
+var dispatchRequest = function dispatchRequest(config) {
+  throwIfCancellationRequested(config);
+
+  // Ensure headers exist
+  config.headers = config.headers || {};
+
+  // Transform request data
+  config.data = transformData(
+    config.data,
+    config.headers,
+    config.transformRequest
+  );
+
+  // Flatten headers
+  config.headers = utils.merge(
+    config.headers.common || {},
+    config.headers[config.method] || {},
+    config.headers
+  );
+
+  utils.forEach(
+    ['delete', 'get', 'head', 'post', 'put', 'patch', 'common'],
+    function cleanHeaderConfig(method) {
+      delete config.headers[method];
+    }
+  );
+
+  var adapter = config.adapter || defaults_1.adapter;
+
+  return adapter(config).then(function onAdapterResolution(response) {
+    throwIfCancellationRequested(config);
+
+    // Transform response data
+    response.data = transformData(
+      response.data,
+      response.headers,
+      config.transformResponse
+    );
+
+    return response;
+  }, function onAdapterRejection(reason) {
+    if (!isCancel(reason)) {
+      throwIfCancellationRequested(config);
+
+      // Transform response data
+      if (reason && reason.response) {
+        reason.response.data = transformData(
+          reason.response.data,
+          reason.response.headers,
+          config.transformResponse
+        );
+      }
+    }
+
+    return Promise.reject(reason);
+  });
+};
+
+/**
+ * Config-specific merge-function which creates a new config-object
+ * by merging two configuration objects together.
+ *
+ * @param {Object} config1
+ * @param {Object} config2
+ * @returns {Object} New object resulting from merging config2 to config1
+ */
+var mergeConfig = function mergeConfig(config1, config2) {
+  // eslint-disable-next-line no-param-reassign
+  config2 = config2 || {};
+  var config = {};
+
+  var valueFromConfig2Keys = ['url', 'method', 'data'];
+  var mergeDeepPropertiesKeys = ['headers', 'auth', 'proxy', 'params'];
+  var defaultToConfig2Keys = [
+    'baseURL', 'transformRequest', 'transformResponse', 'paramsSerializer',
+    'timeout', 'timeoutMessage', 'withCredentials', 'adapter', 'responseType', 'xsrfCookieName',
+    'xsrfHeaderName', 'onUploadProgress', 'onDownloadProgress', 'decompress',
+    'maxContentLength', 'maxBodyLength', 'maxRedirects', 'transport', 'httpAgent',
+    'httpsAgent', 'cancelToken', 'socketPath', 'responseEncoding'
+  ];
+  var directMergeKeys = ['validateStatus'];
+
+  function getMergedValue(target, source) {
+    if (utils.isPlainObject(target) && utils.isPlainObject(source)) {
+      return utils.merge(target, source);
+    } else if (utils.isPlainObject(source)) {
+      return utils.merge({}, source);
+    } else if (utils.isArray(source)) {
+      return source.slice();
+    }
+    return source;
+  }
+
+  function mergeDeepProperties(prop) {
+    if (!utils.isUndefined(config2[prop])) {
+      config[prop] = getMergedValue(config1[prop], config2[prop]);
+    } else if (!utils.isUndefined(config1[prop])) {
+      config[prop] = getMergedValue(undefined, config1[prop]);
+    }
+  }
+
+  utils.forEach(valueFromConfig2Keys, function valueFromConfig2(prop) {
+    if (!utils.isUndefined(config2[prop])) {
+      config[prop] = getMergedValue(undefined, config2[prop]);
+    }
+  });
+
+  utils.forEach(mergeDeepPropertiesKeys, mergeDeepProperties);
+
+  utils.forEach(defaultToConfig2Keys, function defaultToConfig2(prop) {
+    if (!utils.isUndefined(config2[prop])) {
+      config[prop] = getMergedValue(undefined, config2[prop]);
+    } else if (!utils.isUndefined(config1[prop])) {
+      config[prop] = getMergedValue(undefined, config1[prop]);
+    }
+  });
+
+  utils.forEach(directMergeKeys, function merge(prop) {
+    if (prop in config2) {
+      config[prop] = getMergedValue(config1[prop], config2[prop]);
+    } else if (prop in config1) {
+      config[prop] = getMergedValue(undefined, config1[prop]);
+    }
+  });
+
+  var axiosKeys = valueFromConfig2Keys
+    .concat(mergeDeepPropertiesKeys)
+    .concat(defaultToConfig2Keys)
+    .concat(directMergeKeys);
+
+  var otherKeys = Object
+    .keys(config1)
+    .concat(Object.keys(config2))
+    .filter(function filterAxiosKeys(key) {
+      return axiosKeys.indexOf(key) === -1;
+    });
+
+  utils.forEach(otherKeys, mergeDeepProperties);
+
+  return config;
+};
+
+/**
+ * Create a new instance of Axios
+ *
+ * @param {Object} instanceConfig The default config for the instance
+ */
+function Axios(instanceConfig) {
+  this.defaults = instanceConfig;
+  this.interceptors = {
+    request: new InterceptorManager_1(),
+    response: new InterceptorManager_1()
+  };
+}
+
+/**
+ * Dispatch a request
+ *
+ * @param {Object} config The config specific for this request (merged with this.defaults)
+ */
+Axios.prototype.request = function request(config) {
+  /*eslint no-param-reassign:0*/
+  // Allow for axios('example/url'[, config]) a la fetch API
+  if (typeof config === 'string') {
+    config = arguments[1] || {};
+    config.url = arguments[0];
+  } else {
+    config = config || {};
+  }
+
+  config = mergeConfig(this.defaults, config);
+
+  // Set config.method
+  if (config.method) {
+    config.method = config.method.toLowerCase();
+  } else if (this.defaults.method) {
+    config.method = this.defaults.method.toLowerCase();
+  } else {
+    config.method = 'get';
+  }
+
+  // Hook up interceptors middleware
+  var chain = [dispatchRequest, undefined];
+  var promise = Promise.resolve(config);
+
+  this.interceptors.request.forEach(function unshiftRequestInterceptors(interceptor) {
+    chain.unshift(interceptor.fulfilled, interceptor.rejected);
+  });
+
+  this.interceptors.response.forEach(function pushResponseInterceptors(interceptor) {
+    chain.push(interceptor.fulfilled, interceptor.rejected);
+  });
+
+  while (chain.length) {
+    promise = promise.then(chain.shift(), chain.shift());
+  }
+
+  return promise;
+};
+
+Axios.prototype.getUri = function getUri(config) {
+  config = mergeConfig(this.defaults, config);
+  return buildURL(config.url, config.params, config.paramsSerializer).replace(/^\?/, '');
+};
+
+// Provide aliases for supported request methods
+utils.forEach(['delete', 'get', 'head', 'options'], function forEachMethodNoData(method) {
+  /*eslint func-names:0*/
+  Axios.prototype[method] = function(url, config) {
+    return this.request(mergeConfig(config || {}, {
+      method: method,
+      url: url,
+      data: (config || {}).data
+    }));
+  };
+});
+
+utils.forEach(['post', 'put', 'patch'], function forEachMethodWithData(method) {
+  /*eslint func-names:0*/
+  Axios.prototype[method] = function(url, data, config) {
+    return this.request(mergeConfig(config || {}, {
+      method: method,
+      url: url,
+      data: data
+    }));
+  };
+});
+
+var Axios_1 = Axios;
+
+/**
+ * A `Cancel` is an object that is thrown when an operation is canceled.
+ *
+ * @class
+ * @param {string=} message The message.
+ */
+function Cancel(message) {
+  this.message = message;
+}
+
+Cancel.prototype.toString = function toString() {
+  return 'Cancel' + (this.message ? ': ' + this.message : '');
+};
+
+Cancel.prototype.__CANCEL__ = true;
+
+var Cancel_1 = Cancel;
+
+/**
+ * A `CancelToken` is an object that can be used to request cancellation of an operation.
+ *
+ * @class
+ * @param {Function} executor The executor function.
+ */
+function CancelToken(executor) {
+  if (typeof executor !== 'function') {
+    throw new TypeError('executor must be a function.');
+  }
+
+  var resolvePromise;
+  this.promise = new Promise(function promiseExecutor(resolve) {
+    resolvePromise = resolve;
+  });
+
+  var token = this;
+  executor(function cancel(message) {
+    if (token.reason) {
+      // Cancellation has already been requested
+      return;
+    }
+
+    token.reason = new Cancel_1(message);
+    resolvePromise(token.reason);
+  });
+}
+
+/**
+ * Throws a `Cancel` if cancellation has been requested.
+ */
+CancelToken.prototype.throwIfRequested = function throwIfRequested() {
+  if (this.reason) {
+    throw this.reason;
+  }
+};
+
+/**
+ * Returns an object that contains a new `CancelToken` and a function that, when called,
+ * cancels the `CancelToken`.
+ */
+CancelToken.source = function source() {
+  var cancel;
+  var token = new CancelToken(function executor(c) {
+    cancel = c;
+  });
+  return {
+    token: token,
+    cancel: cancel
+  };
+};
+
+var CancelToken_1 = CancelToken;
+
+/**
+ * Syntactic sugar for invoking a function and expanding an array for arguments.
+ *
+ * Common use case would be to use `Function.prototype.apply`.
+ *
+ *  ```js
+ *  function f(x, y, z) {}
+ *  var args = [1, 2, 3];
+ *  f.apply(null, args);
+ *  ```
+ *
+ * With `spread` this example can be re-written.
+ *
+ *  ```js
+ *  spread(function(x, y, z) {})([1, 2, 3]);
+ *  ```
+ *
+ * @param {Function} callback
+ * @returns {Function}
+ */
+var spread = function spread(callback) {
+  return function wrap(arr) {
+    return callback.apply(null, arr);
+  };
+};
+
+/**
+ * Determines whether the payload is an error thrown by Axios
+ *
+ * @param {*} payload The value to test
+ * @returns {boolean} True if the payload is an error thrown by Axios, otherwise false
+ */
+var isAxiosError = function isAxiosError(payload) {
+  return (typeof payload === 'object') && (payload.isAxiosError === true);
+};
+
+/**
+ * Create an instance of Axios
+ *
+ * @param {Object} defaultConfig The default config for the instance
+ * @return {Axios} A new instance of Axios
+ */
+function createInstance(defaultConfig) {
+  var context = new Axios_1(defaultConfig);
+  var instance = bind(Axios_1.prototype.request, context);
+
+  // Copy axios.prototype to instance
+  utils.extend(instance, Axios_1.prototype, context);
+
+  // Copy context to instance
+  utils.extend(instance, context);
+
+  return instance;
+}
+
+// Create the default instance to be exported
+var axios = createInstance(defaults_1);
+
+// Expose Axios class to allow class inheritance
+axios.Axios = Axios_1;
+
+// Factory for creating new instances
+axios.create = function create(instanceConfig) {
+  return createInstance(mergeConfig(axios.defaults, instanceConfig));
+};
+
+// Expose Cancel & CancelToken
+axios.Cancel = Cancel_1;
+axios.CancelToken = CancelToken_1;
+axios.isCancel = isCancel;
+
+// Expose all/spread
+axios.all = function all(promises) {
+  return Promise.all(promises);
+};
+axios.spread = spread;
+
+// Expose isAxiosError
+axios.isAxiosError = isAxiosError;
+
+var axios_1 = axios;
+
+// Allow use of default import syntax in TypeScript
+var _default = axios;
+axios_1.default = _default;
+
+var axios$1 = axios_1;
+
+/*
+ This file is part of GNU Taler
+ (C) 2019 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+
+ SPDX-License-Identifier: AGPL3.0-or-later
+*/
+const logger$i = new Logger("NodeHttpLib.ts");
+/**
+ * Implementation of the HTTP request library interface for node.
+ */
+class NodeHttpLib {
+    constructor() {
+        this.throttle = new RequestThrottler();
+        this.throttlingEnabled = true;
+    }
+    /**
+     * Set whether requests should be throttled.
+     */
+    setThrottling(enabled) {
+        this.throttlingEnabled = enabled;
+    }
+    fetch(url, opt) {
+        var _a, _b;
+        return __awaiter(this, void 0, void 0, function* () {
+            const method = (_a = opt === null || opt === void 0 ? void 0 : opt.method) !== null && _a !== void 0 ? _a : "GET";
+            let body = opt === null || opt === void 0 ? void 0 : opt.body;
+            const parsedUrl = new URL(url);
+            if (this.throttlingEnabled && this.throttle.applyThrottle(url)) {
+                throw OperationFailedError.fromCode(TalerErrorCode.WALLET_HTTP_REQUEST_THROTTLED, `request to origin ${parsedUrl.origin} was throttled`, {
+                    requestMethod: method,
+                    requestUrl: url,
+                    throttleStats: this.throttle.getThrottleStats(url),
+                });
+            }
+            let timeout;
+            if (typeof ((_b = opt === null || opt === void 0 ? void 0 : opt.timeout) === null || _b === void 0 ? void 0 : _b.d_ms) === "number") {
+                timeout = opt.timeout.d_ms;
+            }
+            let resp;
+            try {
+                resp = yield axios$1({
+                    method,
+                    url: url,
+                    responseType: "arraybuffer",
+                    headers: opt === null || opt === void 0 ? void 0 : opt.headers,
+                    validateStatus: () => true,
+                    transformResponse: (x) => x,
+                    data: body,
+                    timeout,
+                });
+            }
+            catch (e) {
+                throw OperationFailedError.fromCode(TalerErrorCode.WALLET_NETWORK_ERROR, `${e.message}`, {
+                    requestUrl: url,
+                    requestMethod: method,
+                });
+            }
+            const makeText = () => __awaiter(this, void 0, void 0, function* () {
+                const respText = new Uint8Array(resp.data);
+                return bytesToString(respText);
+            });
+            const makeJson = () => __awaiter(this, void 0, void 0, function* () {
+                let responseJson;
+                const respText = yield makeText();
+                try {
+                    responseJson = JSON.parse(respText);
+                }
+                catch (e) {
+                    logger$i.trace(`invalid json: '${resp.data}'`);
+                    throw new OperationFailedError(makeErrorDetails(TalerErrorCode.WALLET_RECEIVED_MALFORMED_RESPONSE, "invalid JSON", {
+                        httpStatusCode: resp.status,
+                        requestUrl: url,
+                        requestMethod: method,
+                    }));
+                }
+                if (responseJson === null || typeof responseJson !== "object") {
+                    logger$i.trace(`invalid json (not an object): '${respText}'`);
+                    throw new OperationFailedError(makeErrorDetails(TalerErrorCode.WALLET_RECEIVED_MALFORMED_RESPONSE, "invalid JSON", {
+                        httpStatusCode: resp.status,
+                        requestUrl: url,
+                        requestMethod: method,
+                    }));
+                }
+                return responseJson;
+            });
+            const makeBytes = () => __awaiter(this, void 0, void 0, function* () {
+                if (typeof resp.data.byteLength !== "number") {
+                    throw Error("expected array buffer");
+                }
+                const buf = resp.data;
+                return buf;
+            });
+            const headers = new Headers();
+            for (const hn of Object.keys(resp.headers)) {
+                headers.set(hn, resp.headers[hn]);
+            }
+            return {
+                requestUrl: url,
+                requestMethod: method,
+                headers,
+                status: resp.status,
+                text: makeText,
+                json: makeJson,
+                bytes: makeBytes,
+            };
+        });
+    }
+    get(url, opt) {
+        return __awaiter(this, void 0, void 0, function* () {
+            return this.fetch(url, Object.assign({ method: "GET" }, opt));
+        });
+    }
+    postJson(url, body, opt) {
+        return __awaiter(this, void 0, void 0, function* () {
+            return this.fetch(url, Object.assign({ method: "POST", body }, opt));
+        });
+    }
+}
+
+/*
+ Copyright 2017 Jeremy Scheff
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ or implied. See the License for the specific language governing
+ permissions and limitations under the License.
+ */
+/* tslint:disable: max-classes-per-file max-line-length */
+const messages = {
+    AbortError: "A request was aborted, for example through a call to IDBTransaction.abort.",
+    ConstraintError: "A mutation operation in the transaction failed because a constraint was not satisfied. For example, an object such as an object store or index already exists and a request attempted to create a new one.",
+    DataCloneError: "The data being stored could not be cloned by the internal structured cloning algorithm.",
+    DataError: "Data provided to an operation does not meet requirements.",
+    InvalidAccessError: "An invalid operation was performed on an object. For example transaction creation attempt was made, but an empty scope was provided.",
+    InvalidStateError: "An operation was called on an object on which it is not allowed or at a time when it is not allowed. Also occurs if a request is made on a source object that has been deleted or removed. Use TransactionInactiveError or ReadOnlyError when possible, as they are more specific variations of InvalidStateError.",
+    NotFoundError: "The operation failed because the requested database object could not be found. For example, an object store did not exist but was being opened.",
+    ReadOnlyError: 'The mutating operation was attempted in a "readonly" transaction.',
+    TransactionInactiveError: "A request was placed against a transaction which is currently not active, or which is finished.",
+    VersionError: "An attempt was made to open a database using a lower version than the existing version.",
+};
+class AbortError extends Error {
+    constructor(message = messages.AbortError) {
+        super();
+        Object.setPrototypeOf(this, ConstraintError.prototype);
+        this.name = "AbortError";
+        this.message = message;
+    }
+}
+class ConstraintError extends Error {
+    constructor(message = messages.ConstraintError) {
+        super();
+        Object.setPrototypeOf(this, ConstraintError.prototype);
+        this.name = "ConstraintError";
+        this.message = message;
+    }
+}
+class DataError extends Error {
+    constructor(message = messages.DataError) {
+        super();
+        Object.setPrototypeOf(this, DataError.prototype);
+        this.name = "DataError";
+        this.message = message;
+    }
+}
+class InvalidAccessError extends Error {
+    constructor(message = messages.InvalidAccessError) {
+        super();
+        Object.setPrototypeOf(this, InvalidAccessError.prototype);
+        this.name = "InvalidAccessError";
+        this.message = message;
+    }
+}
+class InvalidStateError extends Error {
+    constructor(message = messages.InvalidStateError) {
+        super();
+        Object.setPrototypeOf(this, InvalidStateError.prototype);
+        this.name = "InvalidStateError";
+        this.message = message;
+    }
+}
+class NotFoundError extends Error {
+    constructor(message = messages.NotFoundError) {
+        super();
+        Object.setPrototypeOf(this, NotFoundError.prototype);
+        this.name = "NotFoundError";
+        this.message = message;
+    }
+}
+class ReadOnlyError extends Error {
+    constructor(message = messages.ReadOnlyError) {
+        super();
+        Object.setPrototypeOf(this, ReadOnlyError.prototype);
+        this.name = "ReadOnlyError";
+        this.message = message;
+    }
+}
+class TransactionInactiveError extends Error {
+    constructor(message = messages.TransactionInactiveError) {
+        super();
+        Object.setPrototypeOf(this, TransactionInactiveError.prototype);
+        this.name = "TransactionInactiveError";
+        this.message = message;
+    }
+}
+class VersionError extends Error {
+    constructor(message = messages.VersionError) {
+        super();
+        Object.setPrototypeOf(this, VersionError.prototype);
+        this.name = "VersionError";
+        this.message = message;
+    }
+}
+
+/*
+ Copyright 2017 Jeremy Scheff
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ or implied. See the License for the specific language governing
+ permissions and limitations under the License.
+ */
+// https://w3c.github.io/IndexedDB/#convert-a-value-to-a-input
+function valueToKey(input, seen) {
+    if (typeof input === "number") {
+        if (isNaN(input)) {
+            throw new DataError();
+        }
+        return input;
+    }
+    else if (input instanceof Date) {
+        const ms = input.valueOf();
+        if (isNaN(ms)) {
+            throw new DataError();
+        }
+        return new Date(ms);
+    }
+    else if (typeof input === "string") {
+        return input;
+    }
+    else if (input instanceof ArrayBuffer ||
+        (typeof ArrayBuffer !== "undefined" &&
+            ArrayBuffer.isView &&
+            ArrayBuffer.isView(input))) {
+        if (input instanceof ArrayBuffer) {
+            return new Uint8Array(input).buffer;
+        }
+        return new Uint8Array(input.buffer).buffer;
+    }
+    else if (Array.isArray(input)) {
+        if (seen === undefined) {
+            seen = new Set();
+        }
+        else if (seen.has(input)) {
+            throw new DataError();
+        }
+        seen.add(input);
+        const keys = [];
+        for (let i = 0; i < input.length; i++) {
+            const hop = input.hasOwnProperty(i);
+            if (!hop) {
+                throw new DataError();
+            }
+            const entry = input[i];
+            const key = valueToKey(entry, seen);
+            keys.push(key);
+        }
+        return keys;
+    }
+    else {
+        throw new DataError();
+    }
+}
+
+/*
+ Copyright 2017 Jeremy Scheff
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ or implied. See the License for the specific language governing
+ permissions and limitations under the License.
+ */
+const getType = (x) => {
+    if (typeof x === "number") {
+        return "Number";
+    }
+    if (x instanceof Date) {
+        return "Date";
+    }
+    if (Array.isArray(x)) {
+        return "Array";
+    }
+    if (typeof x === "string") {
+        return "String";
+    }
+    if (x instanceof ArrayBuffer) {
+        return "Binary";
+    }
+    throw new DataError();
+};
+// https://w3c.github.io/IndexedDB/#compare-two-keys
+const compareKeys = (first, second) => {
+    if (second === undefined) {
+        throw new TypeError();
+    }
+    first = valueToKey(first);
+    second = valueToKey(second);
+    const t1 = getType(first);
+    const t2 = getType(second);
+    if (t1 !== t2) {
+        if (t1 === "Array") {
+            return 1;
+        }
+        if (t1 === "Binary" &&
+            (t2 === "String" || t2 === "Date" || t2 === "Number")) {
+            return 1;
+        }
+        if (t1 === "String" && (t2 === "Date" || t2 === "Number")) {
+            return 1;
+        }
+        if (t1 === "Date" && t2 === "Number") {
+            return 1;
+        }
+        return -1;
+    }
+    if (t1 === "Binary") {
+        first = new Uint8Array(first);
+        second = new Uint8Array(second);
+    }
+    if (t1 === "Array" || t1 === "Binary") {
+        const length = Math.min(first.length, second.length);
+        for (let i = 0; i < length; i++) {
+            const result = compareKeys(first[i], second[i]);
+            if (result !== 0) {
+                return result;
+            }
+        }
+        if (first.length > second.length) {
+            return 1;
+        }
+        if (first.length < second.length) {
+            return -1;
+        }
+        return 0;
+    }
+    if (t1 === "Date") {
+        if (first.getTime() === second.getTime()) {
+            return 0;
+        }
+    }
+    else {
+        if (first === second) {
+            return 0;
+        }
+    }
+    return first > second ? 1 : -1;
+};
+
+/*
+  Copyright 2019 Florian Dold
+  Copyright 2017 Jeremy Scheff
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+  or implied. See the License for the specific language governing
+  permissions and limitations under the License.
+ */
+// http://www.w3.org/TR/2015/REC-IndexedDB-20150108/#range-concept
+/** @public */
+class BridgeIDBKeyRange {
+    constructor(lower, upper, lowerOpen, upperOpen) {
+        this.lower = lower;
+        this.upper = upper;
+        this.lowerOpen = lowerOpen;
+        this.upperOpen = upperOpen;
+    }
+    static only(value) {
+        if (arguments.length === 0) {
+            throw new TypeError();
+        }
+        value = valueToKey(value);
+        return new BridgeIDBKeyRange(value, value, false, false);
+    }
+    static lowerBound(lower, open = false) {
+        if (arguments.length === 0) {
+            throw new TypeError();
+        }
+        lower = valueToKey(lower);
+        return new BridgeIDBKeyRange(lower, undefined, open, true);
+    }
+    static upperBound(upper, open = false) {
+        if (arguments.length === 0) {
+            throw new TypeError();
+        }
+        upper = valueToKey(upper);
+        return new BridgeIDBKeyRange(undefined, upper, true, open);
+    }
+    static bound(lower, upper, lowerOpen = false, upperOpen = false) {
+        if (arguments.length < 2) {
+            throw new TypeError();
+        }
+        const cmpResult = compareKeys(lower, upper);
+        if (cmpResult === 1 || (cmpResult === 0 && (lowerOpen || upperOpen))) {
+            throw new DataError();
+        }
+        lower = valueToKey(lower);
+        upper = valueToKey(upper);
+        return new BridgeIDBKeyRange(lower, upper, lowerOpen, upperOpen);
+    }
+    // https://w3c.github.io/IndexedDB/#dom-idbkeyrange-includes
+    includes(key) {
+        if (arguments.length === 0) {
+            throw new TypeError();
+        }
+        key = valueToKey(key);
+        if (this.lower !== undefined) {
+            const cmpResult = compareKeys(this.lower, key);
+            if (cmpResult === 1 || (cmpResult === 0 && this.lowerOpen)) {
+                return false;
+            }
+        }
+        if (this.upper !== undefined) {
+            const cmpResult = compareKeys(this.upper, key);
+            if (cmpResult === -1 || (cmpResult === 0 && this.upperOpen)) {
+                return false;
+            }
+        }
+        return true;
+    }
+    toString() {
+        return "[object IDBKeyRange]";
+    }
+    static _valueToKeyRange(value, nullDisallowedFlag = false) {
+        if (value instanceof BridgeIDBKeyRange) {
+            return value;
+        }
+        if (value === null || value === undefined) {
+            if (nullDisallowedFlag) {
+                throw new DataError();
+            }
+            return new BridgeIDBKeyRange(undefined, undefined, false, false);
+        }
+        const key = valueToKey(value);
+        return BridgeIDBKeyRange.only(key);
+    }
+}
+
+/*
+ Copyright 2019 Florian Dold
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ or implied. See the License for the specific language governing
+ permissions and limitations under the License.
+*/
+function structuredCloneImpl(val, visited) {
+    // FIXME: replace with real implementation!
+    return JSON.parse(JSON.stringify(val));
+}
+/**
+ * Structured clone for IndexedDB.
+ */
+function structuredClone(val) {
+    return structuredCloneImpl(val);
+}
+
+/*
+ Copyright 2019 Florian Dold
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ or implied. See the License for the specific language governing
+ permissions and limitations under the License.
+ */
+/** @public */
+var ResultLevel;
+(function (ResultLevel) {
+    ResultLevel[ResultLevel["OnlyCount"] = 0] = "OnlyCount";
+    ResultLevel[ResultLevel["OnlyKeys"] = 1] = "OnlyKeys";
+    ResultLevel[ResultLevel["Full"] = 2] = "Full";
+})(ResultLevel || (ResultLevel = {}));
+/** @public */
+var StoreLevel;
+(function (StoreLevel) {
+    StoreLevel[StoreLevel["NoOverwrite"] = 0] = "NoOverwrite";
+    StoreLevel[StoreLevel["AllowOverwrite"] = 1] = "AllowOverwrite";
+    StoreLevel[StoreLevel["UpdateExisting"] = 2] = "UpdateExisting";
+})(StoreLevel || (StoreLevel = {}));
+
+/*
+
+ Copyright 2017 Jeremy Scheff
+ Copyright 2019 Florian Dold
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ or implied. See the License for the specific language governing
+ permissions and limitations under the License.
+ */
+/**
+ * http://www.w3.org/TR/2015/REC-IndexedDB-20150108/#cursor
+ *
+ * @public
+ */
+class BridgeIDBCursor {
+    constructor(source, objectStoreName, indexName, range, direction, request, keyOnly) {
+        this._gotValue = false;
+        this._indexPosition = undefined; // Key of previously returned record
+        this._objectStorePosition = undefined;
+        this._key = undefined;
+        this._primaryKey = undefined;
+        this._value = undefined;
+        this._indexName = indexName;
+        this._objectStoreName = objectStoreName;
+        this._range = range;
+        this._source = source;
+        this._direction = direction;
+        this._request = request;
+        this._keyOnly = keyOnly;
+    }
+    get _effectiveObjectStore() {
+        if (this.source instanceof BridgeIDBObjectStore) {
+            return this.source;
+        }
+        return this.source.objectStore;
+    }
+    get _backend() {
+        return this._source._backend;
+    }
+    // Read only properties
+    get source() {
+        return this._source;
+    }
+    set source(val) {
+        /* For babel */
+    }
+    get direction() {
+        return this._direction;
+    }
+    set direction(val) {
+        /* For babel */
+    }
+    get key() {
+        return this._key;
+    }
+    set key(val) {
+        /* For babel */
+    }
+    get primaryKey() {
+        return this._primaryKey;
+    }
+    set primaryKey(val) {
+        /* For babel */
+    }
+    get _isValueCursor() {
+        return false;
+    }
+    /**
+     * https://w3c.github.io/IndexedDB/#iterate-a-cursor
+     */
+    _iterate(key, primaryKey) {
+        return __awaiter(this, void 0, void 0, function* () {
+            BridgeIDBFactory.enableTracing &&
+                console.log(`iterating cursor os=${this._objectStoreName},idx=${this._indexName}`);
+            BridgeIDBFactory.enableTracing &&
+                console.log("cursor type ", this.toString());
+            const recordGetRequest = {
+                direction: this.direction,
+                indexName: this._indexName,
+                lastIndexPosition: this._indexPosition,
+                lastObjectStorePosition: this._objectStorePosition,
+                limit: 1,
+                range: this._range,
+                objectStoreName: this._objectStoreName,
+                advanceIndexKey: key,
+                advancePrimaryKey: primaryKey,
+                resultLevel: this._keyOnly ? ResultLevel.OnlyKeys : ResultLevel.Full,
+            };
+            const { btx } = this.source._confirmActiveTransaction();
+            let response = yield this._backend.getRecords(btx, recordGetRequest);
+            if (response.count === 0) {
+                if (BridgeIDBFactory.enableTracing) {
+                    console.log("cursor is returning empty result");
+                }
+                this._gotValue = false;
+                return null;
+            }
+            if (response.count !== 1) {
+                throw Error("invariant failed");
+            }
+            if (BridgeIDBFactory.enableTracing) {
+                console.log("request is:", JSON.stringify(recordGetRequest));
+                console.log("get response is:", JSON.stringify(response));
+            }
+            if (this._indexName !== undefined) {
+                this._key = response.indexKeys[0];
+            }
+            else {
+                this._key = response.primaryKeys[0];
+            }
+            this._primaryKey = response.primaryKeys[0];
+            if (!this._keyOnly) {
+                this._value = response.values[0];
+            }
+            this._gotValue = true;
+            this._objectStorePosition = structuredClone(response.primaryKeys[0]);
+            if (response.indexKeys !== undefined && response.indexKeys.length > 0) {
+                this._indexPosition = structuredClone(response.indexKeys[0]);
+            }
+            return this;
+        });
+    }
+    // http://www.w3.org/TR/2015/REC-IndexedDB-20150108/#widl-IDBCursor-update-IDBRequest-any-value
+    update(value) {
+        if (value === undefined) {
+            throw new TypeError();
+        }
+        const transaction = this._effectiveObjectStore.transaction;
+        if (transaction._state !== "active") {
+            throw new TransactionInactiveError();
+        }
+        if (transaction.mode === "readonly") {
+            throw new ReadOnlyError();
+        }
+        if (this._effectiveObjectStore._deleted) {
+            throw new InvalidStateError();
+        }
+        if (!(this.source instanceof BridgeIDBObjectStore) &&
+            this.source._deleted) {
+            throw new InvalidStateError();
+        }
+        if (!this._gotValue || !this._isValueCursor) {
+            throw new InvalidStateError();
+        }
+        const storeReq = {
+            key: this._primaryKey,
+            value: value,
+            objectStoreName: this._objectStoreName,
+            storeLevel: StoreLevel.UpdateExisting,
+        };
+        const operation = () => __awaiter(this, void 0, void 0, function* () {
+            if (BridgeIDBFactory.enableTracing) {
+                console.log("updating at cursor");
+            }
+            const { btx } = this.source._confirmActiveTransaction();
+            yield this._backend.storeRecord(btx, storeReq);
+        });
+        return transaction._execRequestAsync({
+            operation,
+            source: this,
+        });
+    }
+    /**
+     * http://www.w3.org/TR/2015/REC-IndexedDB-20150108/#widl-IDBCursor-advance-void-unsigned-long-count
+     */
+    advance(count) {
+        throw Error("not implemented");
+    }
+    /**
+     * http://www.w3.org/TR/2015/REC-IndexedDB-20150108/#widl-IDBCursor-continue-void-any-key
+     */
+    continue(key) {
+        const transaction = this._effectiveObjectStore.transaction;
+        if (transaction._state !== "active") {
+            throw new TransactionInactiveError();
+        }
+        if (this._effectiveObjectStore._deleted) {
+            throw new InvalidStateError();
+        }
+        if (!(this.source instanceof BridgeIDBObjectStore) &&
+            this.source._deleted) {
+            throw new InvalidStateError();
+        }
+        if (!this._gotValue) {
+            throw new InvalidStateError();
+        }
+        if (key !== undefined) {
+            key = valueToKey(key);
+            let lastKey = this._indexName === undefined
+                ? this._objectStorePosition
+                : this._indexPosition;
+            const cmpResult = compareKeys(key, lastKey);
+            if ((cmpResult <= 0 &&
+                (this.direction === "next" || this.direction === "nextunique")) ||
+                (cmpResult >= 0 &&
+                    (this.direction === "prev" || this.direction === "prevunique"))) {
+                throw new DataError();
+            }
+        }
+        if (this._request) {
+            this._request.readyState = "pending";
+        }
+        const operation = () => __awaiter(this, void 0, void 0, function* () {
+            return this._iterate(key);
+        });
+        transaction._execRequestAsync({
+            operation,
+            request: this._request,
+            source: this.source,
+        });
+        this._gotValue = false;
+    }
+    // https://w3c.github.io/IndexedDB/#dom-idbcursor-continueprimarykey
+    continuePrimaryKey(key, primaryKey) {
+        throw Error("not implemented");
+    }
+    delete() {
+        const transaction = this._effectiveObjectStore.transaction;
+        if (transaction._state !== "active") {
+            throw new TransactionInactiveError();
+        }
+        if (transaction.mode === "readonly") {
+            throw new ReadOnlyError();
+        }
+        if (this._effectiveObjectStore._deleted) {
+            throw new InvalidStateError();
+        }
+        if (!(this.source instanceof BridgeIDBObjectStore) &&
+            this.source._deleted) {
+            throw new InvalidStateError();
+        }
+        if (!this._gotValue || !this._isValueCursor) {
+            throw new InvalidStateError();
+        }
+        const operation = () => __awaiter(this, void 0, void 0, function* () {
+            const { btx } = this.source._confirmActiveTransaction();
+            this._backend.deleteRecord(btx, this._objectStoreName, BridgeIDBKeyRange._valueToKeyRange(this._primaryKey));
+        });
+        return transaction._execRequestAsync({
+            operation,
+            source: this,
+        });
+    }
+    toString() {
+        return "[object IDBCursor]";
+    }
+}
+
+/*
+ Copyright 2017 Jeremy Scheff
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ or implied. See the License for the specific language governing
+ permissions and limitations under the License.
+ */
+class BridgeIDBCursorWithValue extends BridgeIDBCursor {
+    get value() {
+        return this._value;
+    }
+    get _isValueCursor() {
+        return true;
+    }
+    constructor(source, objectStoreName, indexName, range, direction, request) {
+        super(source, objectStoreName, indexName, range, direction, request, false);
+    }
+    toString() {
+        return "[object IDBCursorWithValue]";
+    }
+}
+
+/*
+ Copyright 2017 Jeremy Scheff
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ or implied. See the License for the specific language governing
+ permissions and limitations under the License.
+*/
+class FakeEvent {
+    constructor(type, eventInitDict = {}) {
+        this.eventPath = [];
+        this.NONE = 0;
+        this.CAPTURING_PHASE = 1;
+        this.AT_TARGET = 2;
+        this.BUBBLING_PHASE = 3;
+        // Flags
+        this.propagationStopped = false;
+        this.immediatePropagationStopped = false;
+        this.canceled = false;
+        this.initialized = true;
+        this.dispatched = false;
+        this.target = null;
+        this.currentTarget = null;
+        this.eventPhase = 0;
+        this.defaultPrevented = false;
+        this.isTrusted = false;
+        this.timeStamp = Date.now();
+        this.cancelBubble = false;
+        this.composed = false;
+        this.returnValue = false;
+        this.type = type;
+        this.bubbles =
+            eventInitDict.bubbles !== undefined ? eventInitDict.bubbles : false;
+        this.cancelable =
+            eventInitDict.cancelable !== undefined ? eventInitDict.cancelable : false;
+    }
+    get srcElement() {
+        return this.target;
+    }
+    composedPath() {
+        throw new Error("Method not implemented.");
+    }
+    initEvent(type, bubbles, cancelable) {
+        throw new Error("Method not implemented.");
+    }
+    preventDefault() {
+        if (this.cancelable) {
+            this.canceled = true;
+        }
+    }
+    stopPropagation() {
+        this.propagationStopped = true;
+    }
+    stopImmediatePropagation() {
+        this.propagationStopped = true;
+        this.immediatePropagationStopped = true;
+    }
+}
+
+/*
+ Copyright 2017 Jeremy Scheff
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ or implied. See the License for the specific language governing
+ permissions and limitations under the License.
+ */
+const stopped = (event, listener) => {
+    return (event.immediatePropagationStopped ||
+        (event.eventPhase === event.CAPTURING_PHASE &&
+            listener.capture === false) ||
+        (event.eventPhase === event.BUBBLING_PHASE && listener.capture === true));
+};
+// http://www.w3.org/TR/dom/#concept-event-listener-invoke
+const invokeEventListeners = (event, obj) => {
+    event.currentTarget = obj;
+    // The callback might cause obj.listeners to mutate as we traverse it.
+    // Take a copy of the array so that nothing sneaks in and we don't lose
+    // our place.
+    for (const listener of obj.listeners.slice()) {
+        if (event.type !== listener.type || stopped(event, listener)) {
+            continue;
+        }
+        // @ts-ignore
+        listener.callback.call(event.currentTarget, event);
+    }
+    const typeToProp = {
+        abort: "onabort",
+        blocked: "onblocked",
+        complete: "oncomplete",
+        error: "onerror",
+        success: "onsuccess",
+        upgradeneeded: "onupgradeneeded",
+        versionchange: "onversionchange",
+    };
+    const prop = typeToProp[event.type];
+    if (prop === undefined) {
+        throw new Error(`Unknown event type: "${event.type}"`);
+    }
+    const callback = event.currentTarget[prop];
+    if (callback) {
+        const listener = {
+            callback,
+            capture: false,
+            type: event.type,
+        };
+        if (!stopped(event, listener)) {
+            // @ts-ignore
+            listener.callback.call(event.currentTarget, event);
+        }
+    }
+};
+/** @public */
+class FakeEventTarget {
+    constructor() {
+        this.listeners = [];
+    }
+    addEventListener(type, listener, capture = false) {
+        if (typeof listener === "function") {
+            this.listeners.push({
+                callback: listener,
+                capture,
+                type,
+            });
+        }
+        else if (typeof listener === "object" && listener != null) {
+            this.listeners.push({
+                callback: (e) => listener.handleEvent(e),
+                capture,
+                type,
+            });
+        }
+    }
+    removeEventListener(type, callback, capture = false) {
+        const i = this.listeners.findIndex((listener) => {
+            return (listener.type === type &&
+                listener.callback === callback &&
+                listener.capture === capture);
+        });
+        this.listeners.splice(i, 1);
+    }
+    // http://www.w3.org/TR/dom/#dispatching-events
+    dispatchEvent(event) {
+        if (!(event instanceof FakeEvent)) {
+            throw Error("dispatchEvent only works with FakeEvent");
+        }
+        const fe = event;
+        if (event.dispatched || !event.initialized) {
+            throw new InvalidStateError("The object is in an invalid state.");
+        }
+        fe.isTrusted = false;
+        fe.dispatched = true;
+        fe.target = this;
+        // NOT SURE WHEN THIS SHOULD BE SET        event.eventPath = [];
+        fe.eventPhase = event.CAPTURING_PHASE;
+        if (FakeEventTarget.enableTracing) {
+            console.log(`dispatching '${event.type}' event along path with ${event.eventPath.length} elements`);
+        }
+        for (const obj of event.eventPath) {
+            if (!event.propagationStopped) {
+                invokeEventListeners(event, obj);
+            }
+        }
+        fe.eventPhase = event.AT_TARGET;
+        if (!event.propagationStopped) {
+            invokeEventListeners(event, fe.target);
+        }
+        if (event.bubbles) {
+            fe.eventPath.reverse();
+            fe.eventPhase = event.BUBBLING_PHASE;
+            if (fe.eventPath.length === 0 && event.type === "error") {
+                console.error("Unhandled error event: ", event.target);
+            }
+            for (const obj of event.eventPath) {
+                if (!event.propagationStopped) {
+                    invokeEventListeners(event, obj);
+                }
+            }
+        }
+        fe.dispatched = false;
+        fe.eventPhase = event.NONE;
+        fe.currentTarget = null;
+        if (event.canceled) {
+            return false;
+        }
+        return true;
+    }
+}
+FakeEventTarget.enableTracing = false;
+
+/*
+ * Copyright 2017 Jeremy Scheff
+ * Copyright 2019 Florian Dold
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing
+ * permissions and limitations under the License.
+ */
+/** @public */
+class BridgeIDBRequest extends FakeEventTarget {
+    constructor() {
+        super(...arguments);
+        this._result = null;
+        this._error = null;
+        this.source = null;
+        this.transaction = null;
+        this.readyState = "pending";
+        this.onsuccess = null;
+        this.onerror = null;
+    }
+    get error() {
+        if (this.readyState === "pending") {
+            throw new InvalidStateError();
+        }
+        return this._error;
+    }
+    set error(value) {
+        this._error = value;
+    }
+    get result() {
+        if (this.readyState === "pending") {
+            throw new InvalidStateError();
+        }
+        return this._result;
+    }
+    set result(value) {
+        this._result = value;
+    }
+    toString() {
+        return "[object IDBRequest]";
+    }
+    _finishWithError(err) {
+        this.result = undefined;
+        this.readyState = "done";
+        this.error = new Error(err.message);
+        this.error.name = err.name;
+        const event = new FakeEvent("error", {
+            bubbles: true,
+            cancelable: true,
+        });
+        event.eventPath = [];
+        this.dispatchEvent(event);
+    }
+    _finishWithResult(result) {
+        this.result = result;
+        this.readyState = "done";
+        const event = new FakeEvent("success");
+        event.eventPath = [];
+        this.dispatchEvent(event);
+    }
+}
+
+/*
+ Copyright 2017 Jeremy Scheff
+ Copyright 2019 Florian Dold
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ or implied. See the License for the specific language governing
+ permissions and limitations under the License.
+ */
+const confirmActiveTransaction = (index) => {
+    if (index._deleted || index.objectStore._deleted) {
+        throw new InvalidStateError();
+    }
+    if (index.objectStore.transaction._state !== "active") {
+        throw new TransactionInactiveError();
+    }
+    return index.objectStore.transaction;
+};
+// http://www.w3.org/TR/2015/REC-IndexedDB-20150108/#idl-def-IDBIndex
+/** @public */
+class BridgeIDBIndex {
+    constructor(objectStore, name) {
+        this._deleted = false;
+        this._name = name;
+        this.objectStore = objectStore;
+    }
+    get _schema() {
+        return this.objectStore.transaction.db._schema;
+    }
+    get keyPath() {
+        return this._schema.objectStores[this.objectStore.name].indexes[this._name]
+            .keyPath;
+    }
+    get multiEntry() {
+        return this._schema.objectStores[this.objectStore.name].indexes[this._name]
+            .multiEntry;
+    }
+    get unique() {
+        return this._schema.objectStores[this.objectStore.name].indexes[this._name]
+            .unique;
+    }
+    get _backend() {
+        return this.objectStore._backend;
+    }
+    _confirmActiveTransaction() {
+        return this.objectStore._confirmActiveTransaction();
+    }
+    get name() {
+        return this._name;
+    }
+    // https://w3c.github.io/IndexedDB/#dom-idbindex-name
+    set name(name) {
+        const transaction = this.objectStore.transaction;
+        if (!transaction.db._runningVersionchangeTransaction) {
+            throw new InvalidStateError();
+        }
+        if (transaction._state !== "active") {
+            throw new TransactionInactiveError();
+        }
+        const { btx } = this._confirmActiveTransaction();
+        const oldName = this._name;
+        const newName = String(name);
+        if (newName === oldName) {
+            return;
+        }
+        this._backend.renameIndex(btx, this.objectStore.name, oldName, newName);
+        if (this.objectStore.indexNames.indexOf(name) >= 0) {
+            throw new ConstraintError();
+        }
+    }
+    // tslint:disable-next-line max-line-length
+    // http://www.w3.org/TR/2015/REC-IndexedDB-20150108/#widl-IDBIndex-openCursor-IDBRequest-any-range-IDBCursorDirection-direction
+    openCursor(range, direction = "next") {
+        confirmActiveTransaction(this);
+        if (range === null) {
+            range = undefined;
+        }
+        if (range !== undefined && !(range instanceof BridgeIDBKeyRange)) {
+            range = BridgeIDBKeyRange.only(valueToKey(range));
+        }
+        const request = new BridgeIDBRequest();
+        request.source = this;
+        request.transaction = this.objectStore.transaction;
+        const cursor = new BridgeIDBCursorWithValue(this, this.objectStore.name, this._name, range, direction, request);
+        const operation = () => __awaiter(this, void 0, void 0, function* () {
+            return cursor._iterate();
+        });
+        return this.objectStore.transaction._execRequestAsync({
+            operation,
+            request,
+            source: this,
+        });
+    }
+    // tslint:disable-next-line max-line-length
+    // http://www.w3.org/TR/2015/REC-IndexedDB-20150108/#widl-IDBIndex-openKeyCursor-IDBRequest-any-range-IDBCursorDirection-direction
+    openKeyCursor(range, direction = "next") {
+        confirmActiveTransaction(this);
+        if (range === null) {
+            range = undefined;
+        }
+        if (range !== undefined && !(range instanceof BridgeIDBKeyRange)) {
+            range = BridgeIDBKeyRange.only(valueToKey(range));
+        }
+        const request = new BridgeIDBRequest();
+        request.source = this;
+        request.transaction = this.objectStore.transaction;
+        const cursor = new BridgeIDBCursor(this, this.objectStore.name, this._name, range, direction, request, true);
+        return this.objectStore.transaction._execRequestAsync({
+            operation: cursor._iterate.bind(cursor),
+            request,
+            source: this,
+        });
+    }
+    get(key) {
+        confirmActiveTransaction(this);
+        if (!(key instanceof BridgeIDBKeyRange)) {
+            key = BridgeIDBKeyRange._valueToKeyRange(key);
+        }
+        const getReq = {
+            direction: "next",
+            indexName: this._name,
+            limit: 1,
+            range: key,
+            objectStoreName: this.objectStore._name,
+            resultLevel: ResultLevel.Full,
+        };
+        const operation = () => __awaiter(this, void 0, void 0, function* () {
+            const { btx } = this._confirmActiveTransaction();
+            const result = yield this._backend.getRecords(btx, getReq);
+            if (result.count == 0) {
+                return undefined;
+            }
+            const values = result.values;
+            if (!values) {
+                throw Error("invariant violated");
+            }
+            return values[0];
+        });
+        return this.objectStore.transaction._execRequestAsync({
+            operation,
+            source: this,
+        });
+    }
+    // http://w3c.github.io/IndexedDB/#dom-idbindex-getall
+    getAll(query, count) {
+        throw Error("not implemented");
+    }
+    // http://www.w3.org/TR/2015/REC-IndexedDB-20150108/#widl-IDBIndex-getKey-IDBRequest-any-key
+    getKey(key) {
+        confirmActiveTransaction(this);
+        if (!(key instanceof BridgeIDBKeyRange)) {
+            key = BridgeIDBKeyRange._valueToKeyRange(key);
+        }
+        const getReq = {
+            direction: "next",
+            indexName: this._name,
+            limit: 1,
+            range: key,
+            objectStoreName: this.objectStore._name,
+            resultLevel: ResultLevel.OnlyKeys,
+        };
+        const operation = () => __awaiter(this, void 0, void 0, function* () {
+            const { btx } = this._confirmActiveTransaction();
+            const result = yield this._backend.getRecords(btx, getReq);
+            if (result.count == 0) {
+                return undefined;
+            }
+            const primaryKeys = result.primaryKeys;
+            if (!primaryKeys) {
+                throw Error("invariant violated");
+            }
+            return primaryKeys[0];
+        });
+        return this.objectStore.transaction._execRequestAsync({
+            operation,
+            source: this,
+        });
+    }
+    // http://w3c.github.io/IndexedDB/#dom-idbindex-getallkeys
+    getAllKeys(query, count) {
+        throw Error("not implemented");
+    }
+    // http://www.w3.org/TR/2015/REC-IndexedDB-20150108/#widl-IDBIndex-count-IDBRequest-any-key
+    count(key) {
+        confirmActiveTransaction(this);
+        if (key === null) {
+            key = undefined;
+        }
+        if (key !== undefined && !(key instanceof BridgeIDBKeyRange)) {
+            key = BridgeIDBKeyRange.only(valueToKey(key));
+        }
+        const getReq = {
+            direction: "next",
+            indexName: this._name,
+            limit: 1,
+            range: key,
+            objectStoreName: this.objectStore._name,
+            resultLevel: ResultLevel.OnlyCount,
+        };
+        const operation = () => __awaiter(this, void 0, void 0, function* () {
+            const { btx } = this._confirmActiveTransaction();
+            const result = yield this._backend.getRecords(btx, getReq);
+            return result.count;
+        });
+        return this.objectStore.transaction._execRequestAsync({
+            operation,
+            source: this,
+        });
+    }
+    toString() {
+        return "[object IDBIndex]";
+    }
+}
+
+/*
+ * Copyright 2017 Jeremy Scheff
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing
+ * permissions and limitations under the License.
+ */
+// Would be nicer to sublcass Array, but I'd have to sacrifice Node 4 support to do that.
+const fakeDOMStringList = (arr) => {
+    const arr2 = arr.slice();
+    Object.defineProperty(arr2, "contains", {
+        // tslint:disable-next-line object-literal-shorthand
+        value: (value) => arr2.indexOf(value) >= 0,
+    });
+    Object.defineProperty(arr2, "item", {
+        // tslint:disable-next-line object-literal-shorthand
+        value: (i) => arr2[i],
+    });
+    return arr2;
+};
+
+/*
+ Copyright 2017 Jeremy Scheff
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ or implied. See the License for the specific language governing
+ permissions and limitations under the License.
+*/
+// http://www.w3.org/TR/2015/REC-IndexedDB-20150108/#dfn-valid-key-path
+const validateKeyPath = (keyPath, parent) => {
+    // This doesn't make sense to me based on the spec, but it is needed to pass the W3C KeyPath tests (see same
+    // comment in extractKey)
+    if (keyPath !== undefined &&
+        keyPath !== null &&
+        typeof keyPath !== "string" &&
+        keyPath.toString &&
+        (parent === "array" || !Array.isArray(keyPath))) {
+        keyPath = keyPath.toString();
+    }
+    if (typeof keyPath === "string") {
+        if (keyPath === "" && parent !== "string") {
+            return;
+        }
+        try {
+            // https://mathiasbynens.be/demo/javascript-identifier-regex for ECMAScript 5.1 / Unicode v7.0.0, with
+            // reserved words at beginning removed
+            // tslint:disable-next-line max-line-length
+            const validIdentifierRegex = /^(?:[\$A-Z_a-z\xAA\xB5\xBA\xC0-\xD6\xD8-\xF6\xF8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0370-\u0374\u0376\u0377\u037A-\u037D\u037F\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5\u03F7-\u0481\u048A-\u052F\u0531-\u0556\u0559\u0561-\u0587\u05D0-\u05EA\u05F0-\u05F2\u0620-\u064A\u066E\u066F\u0671-\u06D3\u06D5\u06E5\u06E6\u06EE\u06EF\u06FA-\u06FC\u06FF\u0710\u0712-\u072F\u074D-\u07A5\u07B1\u07CA-\u07EA\u07F4\u07F5\u07FA\u0800-\u0815\u081A\u0824\u0828\u0840-\u0858\u08A0-\u08B2\u0904-\u0939\u093D\u0950\u0958-\u0961\u0971-\u0980\u0985-\u098C\u098F\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09BD\u09CE\u09DC\u09DD\u09DF-\u09E1\u09F0\u09F1\u0A05-\u0A0A\u0A0F\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32\u0A33\u0A35\u0A36\u0A38\u0A39\u0A59-\u0A5C\u0A5E\u0A72-\u0A74\u0A85-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8\u0AAA-\u0AB0\u0AB2\u0AB3\u0AB5-\u0AB9\u0ABD\u0AD0\u0AE0\u0AE1\u0B05-\u0B0C\u0B0F\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32\u0B33\u0B35-\u0B39\u0B3D\u0B5C\u0B5D\u0B5F-\u0B61\u0B71\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99\u0B9A\u0B9C\u0B9E\u0B9F\u0BA3\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0BD0\u0C05-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C39\u0C3D\u0C58\u0C59\u0C60\u0C61\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBD\u0CDE\u0CE0\u0CE1\u0CF1\u0CF2\u0D05-\u0D0C\u0D0E-\u0D10\u0D12-\u0D3A\u0D3D\u0D4E\u0D60\u0D61\u0D7A-\u0D7F\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0E01-\u0E30\u0E32\u0E33\u0E40-\u0E46\u0E81\u0E82\u0E84\u0E87\u0E88\u0E8A\u0E8D\u0E94-\u0E97\u0E99-\u0E9F\u0EA1-\u0EA3\u0EA5\u0EA7\u0EAA\u0EAB\u0EAD-\u0EB0\u0EB2\u0EB3\u0EBD\u0EC0-\u0EC4\u0EC6\u0EDC-\u0EDF\u0F00\u0F40-\u0F47\u0F49-\u0F6C\u0F88-\u0F8C\u1000-\u102A\u103F\u1050-\u1055\u105A-\u105D\u1061\u1065\u1066\u106E-\u1070\u1075-\u1081\u108E\u10A0-\u10C5\u10C7\u10CD\u10D0-\u10FA\u10FC-\u1248\u124A-\u124D\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u12B0\u12B2-\u12B5\u12B8-\u12BE\u12C0\u12C2-\u12C5\u12C8-\u12D6\u12D8-\u1310\u1312-\u1315\u1318-\u135A\u1380-\u138F\u13A0-\u13F4\u1401-\u166C\u166F-\u167F\u1681-\u169A\u16A0-\u16EA\u16EE-\u16F8\u1700-\u170C\u170E-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176C\u176E-\u1770\u1780-\u17B3\u17D7\u17DC\u1820-\u1877\u1880-\u18A8\u18AA\u18B0-\u18F5\u1900-\u191E\u1950-\u196D\u1970-\u1974\u1980-\u19AB\u19C1-\u19C7\u1A00-\u1A16\u1A20-\u1A54\u1AA7\u1B05-\u1B33\u1B45-\u1B4B\u1B83-\u1BA0\u1BAE\u1BAF\u1BBA-\u1BE5\u1C00-\u1C23\u1C4D-\u1C4F\u1C5A-\u1C7D\u1CE9-\u1CEC\u1CEE-\u1CF1\u1CF5\u1CF6\u1D00-\u1DBF\u1E00-\u1F15\u1F18-\u1F1D\u1F20-\u1F45\u1F48-\u1F4D\u1F50-\u1F57\u1F59\u1F5B\u1F5D\u1F5F-\u1F7D\u1F80-\u1FB4\u1FB6-\u1FBC\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FCC\u1FD0-\u1FD3\u1FD6-\u1FDB\u1FE0-\u1FEC\u1FF2-\u1FF4\u1FF6-\u1FFC\u2071\u207F\u2090-\u209C\u2102\u2107\u210A-\u2113\u2115\u2119-\u211D\u2124\u2126\u2128\u212A-\u212D\u212F-\u2139\u213C-\u213F\u2145-\u2149\u214E\u2160-\u2188\u2C00-\u2C2E\u2C30-\u2C5E\u2C60-\u2CE4\u2CEB-\u2CEE\u2CF2\u2CF3\u2D00-\u2D25\u2D27\u2D2D\u2D30-\u2D67\u2D6F\u2D80-\u2D96\u2DA0-\u2DA6\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE\u2DD0-\u2DD6\u2DD8-\u2DDE\u2E2F\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303C\u3041-\u3096\u309D-\u309F\u30A1-\u30FA\u30FC-\u30FF\u3105-\u312D\u3131-\u318E\u31A0-\u31BA\u31F0-\u31FF\u3400-\u4DB5\u4E00-\u9FCC\uA000-\uA48C\uA4D0-\uA4FD\uA500-\uA60C\uA610-\uA61F\uA62A\uA62B\uA640-\uA66E\uA67F-\uA69D\uA6A0-\uA6EF\uA717-\uA71F\uA722-\uA788\uA78B-\uA78E\uA790-\uA7AD\uA7B0\uA7B1\uA7F7-\uA801\uA803-\uA805\uA807-\uA80A\uA80C-\uA822\uA840-\uA873\uA882-\uA8B3\uA8F2-\uA8F7\uA8FB\uA90A-\uA925\uA930-\uA946\uA960-\uA97C\uA984-\uA9B2\uA9CF\uA9E0-\uA9E4\uA9E6-\uA9EF\uA9FA-\uA9FE\uAA00-\uAA28\uAA40-\uAA42\uAA44-\uAA4B\uAA60-\uAA76\uAA7A\uAA7E-\uAAAF\uAAB1\uAAB5\uAAB6\uAAB9-\uAABD\uAAC0\uAAC2\uAADB-\uAADD\uAAE0-\uAAEA\uAAF2-\uAAF4\uAB01-\uAB06\uAB09-\uAB0E\uAB11-\uAB16\uAB20-\uAB26\uAB28-\uAB2E\uAB30-\uAB5A\uAB5C-\uAB5F\uAB64\uAB65\uABC0-\uABE2\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFA6D\uFA70-\uFAD9\uFB00-\uFB06\uFB13-\uFB17\uFB1D\uFB1F-\uFB28\uFB2A-\uFB36\uFB38-\uFB3C\uFB3E\uFB40\uFB41\uFB43\uFB44\uFB46-\uFBB1\uFBD3-\uFD3D\uFD50-\uFD8F\uFD92-\uFDC7\uFDF0-\uFDFB\uFE70-\uFE74\uFE76-\uFEFC\uFF21-\uFF3A\uFF41-\uFF5A\uFF66-\uFFBE\uFFC2-\uFFC7\uFFCA-\uFFCF\uFFD2-\uFFD7\uFFDA-\uFFDC])(?:[\$0-9A-Z_a-z\xAA\xB5\xBA\xC0-\xD6\xD8-\xF6\xF8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0300-\u0374\u0376\u0377\u037A-\u037D\u037F\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5\u03F7-\u0481\u0483-\u0487\u048A-\u052F\u0531-\u0556\u0559\u0561-\u0587\u0591-\u05BD\u05BF\u05C1\u05C2\u05C4\u05C5\u05C7\u05D0-\u05EA\u05F0-\u05F2\u0610-\u061A\u0620-\u0669\u066E-\u06D3\u06D5-\u06DC\u06DF-\u06E8\u06EA-\u06FC\u06FF\u0710-\u074A\u074D-\u07B1\u07C0-\u07F5\u07FA\u0800-\u082D\u0840-\u085B\u08A0-\u08B2\u08E4-\u0963\u0966-\u096F\u0971-\u0983\u0985-\u098C\u098F\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09BC-\u09C4\u09C7\u09C8\u09CB-\u09CE\u09D7\u09DC\u09DD\u09DF-\u09E3\u09E6-\u09F1\u0A01-\u0A03\u0A05-\u0A0A\u0A0F\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32\u0A33\u0A35\u0A36\u0A38\u0A39\u0A3C\u0A3E-\u0A42\u0A47\u0A48\u0A4B-\u0A4D\u0A51\u0A59-\u0A5C\u0A5E\u0A66-\u0A75\u0A81-\u0A83\u0A85-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8\u0AAA-\u0AB0\u0AB2\u0AB3\u0AB5-\u0AB9\u0ABC-\u0AC5\u0AC7-\u0AC9\u0ACB-\u0ACD\u0AD0\u0AE0-\u0AE3\u0AE6-\u0AEF\u0B01-\u0B03\u0B05-\u0B0C\u0B0F\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32\u0B33\u0B35-\u0B39\u0B3C-\u0B44\u0B47\u0B48\u0B4B-\u0B4D\u0B56\u0B57\u0B5C\u0B5D\u0B5F-\u0B63\u0B66-\u0B6F\u0B71\u0B82\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99\u0B9A\u0B9C\u0B9E\u0B9F\u0BA3\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0BBE-\u0BC2\u0BC6-\u0BC8\u0BCA-\u0BCD\u0BD0\u0BD7\u0BE6-\u0BEF\u0C00-\u0C03\u0C05-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C39\u0C3D-\u0C44\u0C46-\u0C48\u0C4A-\u0C4D\u0C55\u0C56\u0C58\u0C59\u0C60-\u0C63\u0C66-\u0C6F\u0C81-\u0C83\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBC-\u0CC4\u0CC6-\u0CC8\u0CCA-\u0CCD\u0CD5\u0CD6\u0CDE\u0CE0-\u0CE3\u0CE6-\u0CEF\u0CF1\u0CF2\u0D01-\u0D03\u0D05-\u0D0C\u0D0E-\u0D10\u0D12-\u0D3A\u0D3D-\u0D44\u0D46-\u0D48\u0D4A-\u0D4E\u0D57\u0D60-\u0D63\u0D66-\u0D6F\u0D7A-\u0D7F\u0D82\u0D83\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0DCA\u0DCF-\u0DD4\u0DD6\u0DD8-\u0DDF\u0DE6-\u0DEF\u0DF2\u0DF3\u0E01-\u0E3A\u0E40-\u0E4E\u0E50-\u0E59\u0E81\u0E82\u0E84\u0E87\u0E88\u0E8A\u0E8D\u0E94-\u0E97\u0E99-\u0E9F\u0EA1-\u0EA3\u0EA5\u0EA7\u0EAA\u0EAB\u0EAD-\u0EB9\u0EBB-\u0EBD\u0EC0-\u0EC4\u0EC6\u0EC8-\u0ECD\u0ED0-\u0ED9\u0EDC-\u0EDF\u0F00\u0F18\u0F19\u0F20-\u0F29\u0F35\u0F37\u0F39\u0F3E-\u0F47\u0F49-\u0F6C\u0F71-\u0F84\u0F86-\u0F97\u0F99-\u0FBC\u0FC6\u1000-\u1049\u1050-\u109D\u10A0-\u10C5\u10C7\u10CD\u10D0-\u10FA\u10FC-\u1248\u124A-\u124D\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u12B0\u12B2-\u12B5\u12B8-\u12BE\u12C0\u12C2-\u12C5\u12C8-\u12D6\u12D8-\u1310\u1312-\u1315\u1318-\u135A\u135D-\u135F\u1380-\u138F\u13A0-\u13F4\u1401-\u166C\u166F-\u167F\u1681-\u169A\u16A0-\u16EA\u16EE-\u16F8\u1700-\u170C\u170E-\u1714\u1720-\u1734\u1740-\u1753\u1760-\u176C\u176E-\u1770\u1772\u1773\u1780-\u17D3\u17D7\u17DC\u17DD\u17E0-\u17E9\u180B-\u180D\u1810-\u1819\u1820-\u1877\u1880-\u18AA\u18B0-\u18F5\u1900-\u191E\u1920-\u192B\u1930-\u193B\u1946-\u196D\u1970-\u1974\u1980-\u19AB\u19B0-\u19C9\u19D0-\u19D9\u1A00-\u1A1B\u1A20-\u1A5E\u1A60-\u1A7C\u1A7F-\u1A89\u1A90-\u1A99\u1AA7\u1AB0-\u1ABD\u1B00-\u1B4B\u1B50-\u1B59\u1B6B-\u1B73\u1B80-\u1BF3\u1C00-\u1C37\u1C40-\u1C49\u1C4D-\u1C7D\u1CD0-\u1CD2\u1CD4-\u1CF6\u1CF8\u1CF9\u1D00-\u1DF5\u1DFC-\u1F15\u1F18-\u1F1D\u1F20-\u1F45\u1F48-\u1F4D\u1F50-\u1F57\u1F59\u1F5B\u1F5D\u1F5F-\u1F7D\u1F80-\u1FB4\u1FB6-\u1FBC\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FCC\u1FD0-\u1FD3\u1FD6-\u1FDB\u1FE0-\u1FEC\u1FF2-\u1FF4\u1FF6-\u1FFC\u200C\u200D\u203F\u2040\u2054\u2071\u207F\u2090-\u209C\u20D0-\u20DC\u20E1\u20E5-\u20F0\u2102\u2107\u210A-\u2113\u2115\u2119-\u211D\u2124\u2126\u2128\u212A-\u212D\u212F-\u2139\u213C-\u213F\u2145-\u2149\u214E\u2160-\u2188\u2C00-\u2C2E\u2C30-\u2C5E\u2C60-\u2CE4\u2CEB-\u2CF3\u2D00-\u2D25\u2D27\u2D2D\u2D30-\u2D67\u2D6F\u2D7F-\u2D96\u2DA0-\u2DA6\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE\u2DD0-\u2DD6\u2DD8-\u2DDE\u2DE0-\u2DFF\u2E2F\u3005-\u3007\u3021-\u302F\u3031-\u3035\u3038-\u303C\u3041-\u3096\u3099\u309A\u309D-\u309F\u30A1-\u30FA\u30FC-\u30FF\u3105-\u312D\u3131-\u318E\u31A0-\u31BA\u31F0-\u31FF\u3400-\u4DB5\u4E00-\u9FCC\uA000-\uA48C\uA4D0-\uA4FD\uA500-\uA60C\uA610-\uA62B\uA640-\uA66F\uA674-\uA67D\uA67F-\uA69D\uA69F-\uA6F1\uA717-\uA71F\uA722-\uA788\uA78B-\uA78E\uA790-\uA7AD\uA7B0\uA7B1\uA7F7-\uA827\uA840-\uA873\uA880-\uA8C4\uA8D0-\uA8D9\uA8E0-\uA8F7\uA8FB\uA900-\uA92D\uA930-\uA953\uA960-\uA97C\uA980-\uA9C0\uA9CF-\uA9D9\uA9E0-\uA9FE\uAA00-\uAA36\uAA40-\uAA4D\uAA50-\uAA59\uAA60-\uAA76\uAA7A-\uAAC2\uAADB-\uAADD\uAAE0-\uAAEF\uAAF2-\uAAF6\uAB01-\uAB06\uAB09-\uAB0E\uAB11-\uAB16\uAB20-\uAB26\uAB28-\uAB2E\uAB30-\uAB5A\uAB5C-\uAB5F\uAB64\uAB65\uABC0-\uABEA\uABEC\uABED\uABF0-\uABF9\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFA6D\uFA70-\uFAD9\uFB00-\uFB06\uFB13-\uFB17\uFB1D-\uFB28\uFB2A-\uFB36\uFB38-\uFB3C\uFB3E\uFB40\uFB41\uFB43\uFB44\uFB46-\uFBB1\uFBD3-\uFD3D\uFD50-\uFD8F\uFD92-\uFDC7\uFDF0-\uFDFB\uFE00-\uFE0F\uFE20-\uFE2D\uFE33\uFE34\uFE4D-\uFE4F\uFE70-\uFE74\uFE76-\uFEFC\uFF10-\uFF19\uFF21-\uFF3A\uFF3F\uFF41-\uFF5A\uFF66-\uFFBE\uFFC2-\uFFC7\uFFCA-\uFFCF\uFFD2-\uFFD7\uFFDA-\uFFDC])*$/;
+            if (keyPath.length >= 1 && validIdentifierRegex.test(keyPath)) {
+                return;
+            }
+        }
+        catch (err) {
+            throw new SyntaxError(err.message);
+        }
+        if (keyPath.indexOf(" ") >= 0) {
+            throw new SyntaxError("The keypath argument contains an invalid key path (no spaces allowed).");
+        }
+    }
+    if (Array.isArray(keyPath) && keyPath.length > 0) {
+        if (parent) {
+            // No nested arrays
+            throw new SyntaxError("The keypath argument contains an invalid key path (nested arrays).");
+        }
+        for (const part of keyPath) {
+            validateKeyPath(part, "array");
+        }
+        return;
+    }
+    else if (typeof keyPath === "string" && keyPath.indexOf(".") >= 0) {
+        keyPath = keyPath.split(".");
+        for (const part of keyPath) {
+            validateKeyPath(part, "string");
+        }
+        return;
+    }
+    throw new SyntaxError();
+};
+
+/*
+ Copyright 2019 Florian Dold
+ Copyright 2017 Jeremy Scheff
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ or implied. See the License for the specific language governing
+ permissions and limitations under the License.
+ */
+// http://www.w3.org/TR/2015/REC-IndexedDB-20150108/#object-store
+/** @public */
+class BridgeIDBObjectStore {
+    constructor(transaction, name) {
+        this._indexesCache = new Map();
+        this._deleted = false;
+        this._name = name;
+        this.transaction = transaction;
+    }
+    get autoIncrement() {
+        return this._schema.objectStores[this._name].autoIncrement;
+    }
+    get indexNames() {
+        return fakeDOMStringList(Object.keys(this._schema.objectStores[this._name].indexes)).sort();
+    }
+    get keyPath() {
+        return this._schema.objectStores[this._name].keyPath;
+    }
+    get _schema() {
+        return this.transaction.db._schema;
+    }
+    get name() {
+        return this._name;
+    }
+    get _backend() {
+        return this.transaction.db._backend;
+    }
+    get _backendConnection() {
+        return this.transaction.db._backendConnection;
+    }
+    _confirmActiveTransaction() {
+        const btx = this.transaction._backendTransaction;
+        if (!btx) {
+            throw new InvalidStateError();
+        }
+        return { btx };
+    }
+    // http://w3c.github.io/IndexedDB/#dom-idbobjectstore-name
+    set name(newName) {
+        const transaction = this.transaction;
+        if (!transaction.db._runningVersionchangeTransaction) {
+            throw new InvalidStateError();
+        }
+        let { btx } = this._confirmActiveTransaction();
+        newName = String(newName);
+        const oldName = this._name;
+        if (newName === oldName) {
+            return;
+        }
+        this._backend.renameObjectStore(btx, oldName, newName);
+        this.transaction.db._schema = this._backend.getSchema(this._backendConnection);
+    }
+    _store(value, key, overwrite) {
+        if (BridgeIDBFactory.enableTracing) {
+            console.log(`TRACE: IDBObjectStore._store`);
+        }
+        if (this.transaction.mode === "readonly") {
+            throw new ReadOnlyError();
+        }
+        const operation = () => __awaiter(this, void 0, void 0, function* () {
+            const { btx } = this._confirmActiveTransaction();
+            const result = yield this._backend.storeRecord(btx, {
+                objectStoreName: this._name,
+                key: key,
+                value: value,
+                storeLevel: overwrite
+                    ? StoreLevel.AllowOverwrite
+                    : StoreLevel.NoOverwrite,
+            });
+            return result.key;
+        });
+        return this.transaction._execRequestAsync({ operation, source: this });
+    }
+    put(value, key) {
+        if (arguments.length === 0) {
+            throw new TypeError();
+        }
+        return this._store(value, key, true);
+    }
+    add(value, key) {
+        if (arguments.length === 0) {
+            throw new TypeError();
+        }
+        return this._store(value, key, false);
+    }
+    delete(key) {
+        if (arguments.length === 0) {
+            throw new TypeError();
+        }
+        if (this.transaction.mode === "readonly") {
+            throw new ReadOnlyError();
+        }
+        let keyRange;
+        if (key instanceof BridgeIDBKeyRange) {
+            keyRange = key;
+        }
+        else {
+            keyRange = BridgeIDBKeyRange.only(valueToKey(key));
+        }
+        const operation = () => __awaiter(this, void 0, void 0, function* () {
+            const { btx } = this._confirmActiveTransaction();
+            return this._backend.deleteRecord(btx, this._name, keyRange);
+        });
+        return this.transaction._execRequestAsync({
+            operation,
+            source: this,
+        });
+    }
+    get(key) {
+        if (BridgeIDBFactory.enableTracing) {
+            console.log(`getting from object store ${this._name} key ${key}`);
+        }
+        if (arguments.length === 0) {
+            throw new TypeError();
+        }
+        let keyRange;
+        if (key instanceof BridgeIDBKeyRange) {
+            keyRange = key;
+        }
+        else {
+            try {
+                keyRange = BridgeIDBKeyRange.only(valueToKey(key));
+            }
+            catch (e) {
+                throw Error(`invalid key (type ${typeof key}) for object store ${this._name}`);
+            }
+        }
+        const recordRequest = {
+            objectStoreName: this._name,
+            indexName: undefined,
+            lastIndexPosition: undefined,
+            lastObjectStorePosition: undefined,
+            direction: "next",
+            limit: 1,
+            resultLevel: ResultLevel.Full,
+            range: keyRange,
+        };
+        const operation = () => __awaiter(this, void 0, void 0, function* () {
+            if (BridgeIDBFactory.enableTracing) {
+                console.log("running get operation:", recordRequest);
+            }
+            const { btx } = this._confirmActiveTransaction();
+            const result = yield this._backend.getRecords(btx, recordRequest);
+            if (BridgeIDBFactory.enableTracing) {
+                console.log("get operation result count:", result.count);
+            }
+            if (result.count === 0) {
+                return undefined;
+            }
+            const values = result.values;
+            if (!values) {
+                throw Error("invariant violated");
+            }
+            return values[0];
+        });
+        return this.transaction._execRequestAsync({
+            operation,
+            source: this,
+        });
+    }
+    // http://w3c.github.io/IndexedDB/#dom-idbobjectstore-getall
+    getAll(query, count) {
+        throw Error("not implemented");
+    }
+    // http://w3c.github.io/IndexedDB/#dom-idbobjectstore-getkey
+    getKey(key) {
+        throw Error("not implemented");
+    }
+    // http://w3c.github.io/IndexedDB/#dom-idbobjectstore-getallkeys
+    getAllKeys(query, count) {
+        throw Error("not implemented");
+    }
+    clear() {
+        throw Error("not implemented");
+    }
+    openCursor(range, direction = "next") {
+        if (range === null) {
+            range = undefined;
+        }
+        if (range !== undefined && !(range instanceof BridgeIDBKeyRange)) {
+            range = BridgeIDBKeyRange.only(valueToKey(range));
+        }
+        const request = new BridgeIDBRequest();
+        request.source = this;
+        request.transaction = this.transaction;
+        const cursor = new BridgeIDBCursorWithValue(this, this._name, undefined, range, direction, request);
+        return this.transaction._execRequestAsync({
+            operation: () => cursor._iterate(),
+            request,
+            source: this,
+        });
+    }
+    openKeyCursor(range, direction) {
+        if (range === null) {
+            range = undefined;
+        }
+        if (range !== undefined && !(range instanceof BridgeIDBKeyRange)) {
+            range = BridgeIDBKeyRange.only(valueToKey(range));
+        }
+        if (!direction) {
+            direction = "next";
+        }
+        const request = new BridgeIDBRequest();
+        request.source = this;
+        request.transaction = this.transaction;
+        const cursor = new BridgeIDBCursor(this, this._name, undefined, range, direction, request, true);
+        return this.transaction._execRequestAsync({
+            operation: cursor._iterate.bind(cursor),
+            request,
+            source: this,
+        });
+    }
+    // tslint:disable-next-line max-line-length
+    // http://www.w3.org/TR/2015/REC-IndexedDB-20150108/#widl-IDBObjectStore-createIndex-IDBIndex-DOMString-name-DOMString-sequence-DOMString--keyPath-IDBIndexParameters-optionalParameters
+    createIndex(indexName, keyPath, optionalParameters = {}) {
+        if (arguments.length < 2) {
+            throw new TypeError();
+        }
+        if (!this.transaction.db._runningVersionchangeTransaction) {
+            throw new InvalidStateError();
+        }
+        const { btx } = this._confirmActiveTransaction();
+        const multiEntry = optionalParameters.multiEntry !== undefined
+            ? optionalParameters.multiEntry
+            : false;
+        const unique = optionalParameters.unique !== undefined
+            ? optionalParameters.unique
+            : false;
+        if (this.transaction.mode !== "versionchange") {
+            throw new InvalidStateError();
+        }
+        if (this.indexNames.indexOf(indexName) >= 0) {
+            throw new ConstraintError();
+        }
+        validateKeyPath(keyPath);
+        if (Array.isArray(keyPath) && multiEntry) {
+            throw new InvalidAccessError();
+        }
+        this._backend.createIndex(btx, indexName, this._name, keyPath, multiEntry, unique);
+        return new BridgeIDBIndex(this, indexName);
+    }
+    // https://w3c.github.io/IndexedDB/#dom-idbobjectstore-index
+    index(name) {
+        if (arguments.length === 0) {
+            throw new TypeError();
+        }
+        if (this.transaction._state === "finished") {
+            throw new InvalidStateError();
+        }
+        const index = this._indexesCache.get(name);
+        if (index !== undefined) {
+            return index;
+        }
+        return new BridgeIDBIndex(this, name);
+    }
+    deleteIndex(indexName) {
+        if (arguments.length === 0) {
+            throw new TypeError();
+        }
+        if (this.transaction.mode !== "versionchange") {
+            throw new InvalidStateError();
+        }
+        if (!this.transaction.db._runningVersionchangeTransaction) {
+            throw new InvalidStateError();
+        }
+        const { btx } = this._confirmActiveTransaction();
+        const index = this._indexesCache.get(indexName);
+        if (index !== undefined) {
+            index._deleted = true;
+        }
+        this._backend.deleteIndex(btx, this._name, indexName);
+    }
+    // http://www.w3.org/TR/2015/REC-IndexedDB-20150108/#widl-IDBObjectStore-count-IDBRequest-any-key
+    count(key) {
+        if (key === null) {
+            key = undefined;
+        }
+        if (key !== undefined && !(key instanceof BridgeIDBKeyRange)) {
+            key = BridgeIDBKeyRange.only(valueToKey(key));
+        }
+        const recordGetRequest = {
+            direction: "next",
+            indexName: undefined,
+            lastIndexPosition: undefined,
+            limit: -1,
+            objectStoreName: this._name,
+            lastObjectStorePosition: undefined,
+            range: key,
+            resultLevel: ResultLevel.OnlyCount,
+        };
+        const operation = () => __awaiter(this, void 0, void 0, function* () {
+            const { btx } = this._confirmActiveTransaction();
+            const result = yield this._backend.getRecords(btx, recordGetRequest);
+            return result.count;
+        });
+        return this.transaction._execRequestAsync({ operation, source: this });
+    }
+    toString() {
+        return "[object IDBObjectStore]";
+    }
+}
+
+/*
+  Copyright 2019 Florian Dold
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+  or implied. See the License for the specific language governing
+  permissions and limitations under the License.
+ */
+function queueTask(fn) {
+    setImmediate(fn);
+}
+
+/*
+ Copyright 2019 Florian Dold
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ or implied. See the License for the specific language governing
+ permissions and limitations under the License.
+*/
+function openPromise$1() {
+    let resolve;
+    let reject;
+    const promise = new Promise((resolve2, reject2) => {
+        resolve = resolve2;
+        reject = reject2;
+    });
+    if (!resolve) {
+        throw Error("broken invariant");
+    }
+    if (!reject) {
+        throw Error("broken invariant");
+    }
+    return { promise, resolve, reject };
+}
+
+// http://www.w3.org/TR/2015/REC-IndexedDB-20150108/#transaction
+/** @public */
+class BridgeIDBTransaction extends FakeEventTarget {
+    constructor(storeNames, mode, db, backendTransaction) {
+        super();
+        this._state = "active";
+        this._started = false;
+        this._objectStoresCache = new Map();
+        this.error = null;
+        this.onabort = null;
+        this.oncomplete = null;
+        this.onerror = null;
+        this._requests = [];
+        const myOpenPromise = openPromise$1();
+        this._waitPromise = myOpenPromise.promise;
+        this._resolveWait = myOpenPromise.resolve;
+        this._scope = new Set(storeNames);
+        this._backendTransaction = backendTransaction;
+        this.mode = mode;
+        this.db = db;
+        this.objectStoreNames = fakeDOMStringList(Array.from(this._scope).sort());
+        this.db._transactions.push(this);
+    }
+    get _backend() {
+        return this.db._backend;
+    }
+    // http://www.w3.org/TR/2015/REC-IndexedDB-20150108/#dfn-steps-for-aborting-a-transaction
+    _abort(errName) {
+        return __awaiter(this, void 0, void 0, function* () {
+            this._state = "finished";
+            if (errName !== null) {
+                const e = new Error();
+                e.name = errName;
+                this.error = e;
+            }
+            // Should this directly remove from _requests?
+            for (const { request } of this._requests) {
+                if (request.readyState !== "done") {
+                    request.readyState = "done"; // This will cancel execution of this request's operation
+                    if (request.source) {
+                        request.result = undefined;
+                        request.error = new AbortError();
+                        const event = new FakeEvent("error", {
+                            bubbles: true,
+                            cancelable: true,
+                        });
+                        event.eventPath = [this.db, this];
+                        request.dispatchEvent(event);
+                    }
+                }
+            }
+            // Only roll back if we actually executed the scheduled operations.
+            const maybeBtx = this._backendTransaction;
+            if (maybeBtx) {
+                yield this._backend.rollback(maybeBtx);
+            }
+            queueTask(() => {
+                const event = new FakeEvent("abort", {
+                    bubbles: true,
+                    cancelable: false,
+                });
+                event.eventPath = [this.db];
+                this.dispatchEvent(event);
+            });
+        });
+    }
+    abort() {
+        if (this._state === "committing" || this._state === "finished") {
+            throw new InvalidStateError();
+        }
+        this._state = "active";
+        this._abort(null);
+    }
+    // http://w3c.github.io/IndexedDB/#dom-idbtransaction-objectstore
+    objectStore(name) {
+        if (this._state !== "active") {
+            throw new InvalidStateError();
+        }
+        const objectStore = this._objectStoresCache.get(name);
+        if (objectStore !== undefined) {
+            return objectStore;
+        }
+        return new BridgeIDBObjectStore(this, name);
+    }
+    // http://www.w3.org/TR/2015/REC-IndexedDB-20150108/#dfn-steps-for-asynchronously-executing-a-request
+    _execRequestAsync(obj) {
+        const source = obj.source;
+        const operation = obj.operation;
+        let request = obj.hasOwnProperty("request") ? obj.request : null;
+        if (this._state !== "active") {
+            throw new TransactionInactiveError();
+        }
+        // Request should only be passed for cursors
+        if (!request) {
+            if (!source) {
+                // Special requests like indexes that just need to run some code
+                request = new BridgeIDBRequest();
+            }
+            else {
+                request = new BridgeIDBRequest();
+                request.source = source;
+                request.transaction = source.transaction;
+            }
+        }
+        this._requests.push({
+            operation,
+            request,
+        });
+        return request;
+    }
+    /**
+     * Actually execute the scheduled work for this transaction.
+     */
+    _start() {
+        return __awaiter(this, void 0, void 0, function* () {
+            if (BridgeIDBFactory.enableTracing) {
+                console.log(`TRACE: IDBTransaction._start, ${this._requests.length} queued`);
+            }
+            this._started = true;
+            if (!this._backendTransaction) {
+                this._backendTransaction = yield this._backend.beginTransaction(this.db._backendConnection, Array.from(this._scope), this.mode);
+            }
+            // Remove from request queue - cursor ones will be added back if necessary by cursor.continue and such
+            let operation;
+            let request;
+            while (this._requests.length > 0) {
+                const r = this._requests.shift();
+                // This should only be false if transaction was aborted
+                if (r && r.request.readyState !== "done") {
+                    request = r.request;
+                    operation = r.operation;
+                    break;
+                }
+            }
+            if (request && operation) {
+                if (!request.source) {
+                    // Special requests like indexes that just need to run some code, with error handling already built into
+                    // operation
+                    yield operation();
+                }
+                else {
+                    let event;
+                    try {
+                        BridgeIDBFactory.enableTracing &&
+                            console.log("TRACE: running operation in transaction");
+                        const result = yield operation();
+                        BridgeIDBFactory.enableTracing &&
+                            console.log("TRACE: operation in transaction finished with success");
+                        request.readyState = "done";
+                        request.result = result;
+                        request.error = undefined;
+                        // http://www.w3.org/TR/2015/REC-IndexedDB-20150108/#dfn-fire-a-success-event
+                        if (this._state === "inactive") {
+                            this._state = "active";
+                        }
+                        event = new FakeEvent("success", {
+                            bubbles: false,
+                            cancelable: false,
+                        });
+                        try {
+                            event.eventPath = [request, this, this.db];
+                            request.dispatchEvent(event);
+                        }
+                        catch (err) {
+                            if (this._state !== "committing") {
+                                this._abort("AbortError");
+                            }
+                            throw err;
+                        }
+                    }
+                    catch (err) {
+                        if (BridgeIDBFactory.enableTracing) {
+                            console.log("TRACING: error during operation: ", err);
+                        }
+                        request.readyState = "done";
+                        request.result = undefined;
+                        request.error = err;
+                        // http://www.w3.org/TR/2015/REC-IndexedDB-20150108/#dfn-fire-an-error-event
+                        if (this._state === "inactive") {
+                            this._state = "active";
+                        }
+                        event = new FakeEvent("error", {
+                            bubbles: true,
+                            cancelable: true,
+                        });
+                        try {
+                            event.eventPath = [this.db, this];
+                            request.dispatchEvent(event);
+                        }
+                        catch (err) {
+                            if (this._state !== "committing") {
+                                this._abort("AbortError");
+                            }
+                            throw err;
+                        }
+                        if (!event.canceled) {
+                            this._abort(err.name);
+                        }
+                    }
+                }
+                // On to the next one
+                if (this._requests.length > 0) {
+                    this._start();
+                }
+                else {
+                    // Give it another chance for new handlers to be set before finishing
+                    queueTask(() => this._start());
+                }
+                return;
+            }
+            if (this._state !== "finished" && this._state !== "committing") {
+                if (BridgeIDBFactory.enableTracing) {
+                    console.log("finishing transaction");
+                }
+                this._state = "committing";
+                yield this._backend.commit(this._backendTransaction);
+                this._state = "finished";
+                if (!this.error) {
+                    if (BridgeIDBFactory.enableTracing) {
+                        console.log("dispatching 'complete' event on transaction");
+                    }
+                    const event = new FakeEvent("complete");
+                    event.eventPath = [this, this.db];
+                    this.dispatchEvent(event);
+                }
+                const idx = this.db._transactions.indexOf(this);
+                if (idx < 0) {
+                    throw Error("invariant failed");
+                }
+                this.db._transactions.splice(idx, 1);
+                this._resolveWait();
+            }
+        });
+    }
+    commit() {
+        if (this._state !== "active") {
+            throw new InvalidStateError();
+        }
+        this._state = "committing";
+        // We now just wait for auto-commit ...
+    }
+    toString() {
+        return "[object IDBRequest]";
+    }
+    _waitDone() {
+        return this._waitPromise;
+    }
+}
+
+/*
+ * Copyright 2017 Jeremy Scheff
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing
+ * permissions and limitations under the License.
+ */
+/**
+ * Ensure that an active version change transaction is currently running.
+ */
+const confirmActiveVersionchangeTransaction = (database) => {
+    if (!database._runningVersionchangeTransaction) {
+        throw new InvalidStateError();
+    }
+    // Find the latest versionchange transaction
+    const transactions = database._transactions.filter((tx) => {
+        return tx.mode === "versionchange";
+    });
+    const transaction = transactions[transactions.length - 1];
+    if (!transaction || transaction._state === "finished") {
+        throw new InvalidStateError();
+    }
+    if (transaction._state !== "active") {
+        throw new TransactionInactiveError();
+    }
+    return transaction;
+};
+// http://www.w3.org/TR/2015/REC-IndexedDB-20150108/#database-interface
+/** @public */
+class BridgeIDBDatabase extends FakeEventTarget {
+    constructor(backend, backendConnection) {
+        super();
+        this._closePending = false;
+        this._closed = false;
+        this._runningVersionchangeTransaction = false;
+        this._transactions = [];
+        this._schema = backend.getSchema(backendConnection);
+        this._backend = backend;
+        this._backendConnection = backendConnection;
+    }
+    get name() {
+        return this._schema.databaseName;
+    }
+    get version() {
+        return this._schema.databaseVersion;
+    }
+    get objectStoreNames() {
+        return fakeDOMStringList(Object.keys(this._schema.objectStores)).sort();
+    }
+    /**
+     * http://www.w3.org/TR/2015/REC-IndexedDB-20150108/#database-closing-steps
+     */
+    _closeConnection() {
+        this._closePending = true;
+        const transactionsComplete = this._transactions.every((transaction) => {
+            return transaction._state === "finished";
+        });
+        if (transactionsComplete) {
+            this._closed = true;
+            this._backend.close(this._backendConnection);
+        }
+        else {
+            queueTask(() => {
+                this._closeConnection();
+            });
+        }
+    }
+    // http://w3c.github.io/IndexedDB/#dom-idbdatabase-createobjectstore
+    createObjectStore(name, options = {}) {
+        if (name === undefined) {
+            throw new TypeError();
+        }
+        const transaction = confirmActiveVersionchangeTransaction(this);
+        const backendTx = transaction._backendTransaction;
+        if (!backendTx) {
+            throw Error("invariant violated");
+        }
+        const keyPath = options !== null && options.keyPath !== undefined
+            ? options.keyPath
+            : null;
+        const autoIncrement = options !== null && options.autoIncrement !== undefined
+            ? options.autoIncrement
+            : false;
+        if (keyPath !== null) {
+            validateKeyPath(keyPath);
+        }
+        if (Object.keys(this._schema.objectStores).includes(name)) {
+            throw new ConstraintError();
+        }
+        if (autoIncrement && (keyPath === "" || Array.isArray(keyPath))) {
+            throw new InvalidAccessError();
+        }
+        transaction._backend.createObjectStore(backendTx, name, keyPath, autoIncrement);
+        this._schema = this._backend.getSchema(this._backendConnection);
+        return transaction.objectStore(name);
+    }
+    deleteObjectStore(name) {
+        if (name === undefined) {
+            throw new TypeError();
+        }
+        const transaction = confirmActiveVersionchangeTransaction(this);
+        transaction._objectStoresCache.delete(name);
+    }
+    _internalTransaction(storeNames, mode, backendTransaction) {
+        mode = mode !== undefined ? mode : "readonly";
+        if (mode !== "readonly" &&
+            mode !== "readwrite" &&
+            mode !== "versionchange") {
+            throw new TypeError("Invalid mode: " + mode);
+        }
+        const hasActiveVersionchange = this._transactions.some((transaction) => {
+            return (transaction._state === "active" &&
+                transaction.mode === "versionchange" &&
+                transaction.db === this);
+        });
+        if (hasActiveVersionchange) {
+            throw new InvalidStateError();
+        }
+        if (this._closePending) {
+            throw new InvalidStateError();
+        }
+        if (!Array.isArray(storeNames)) {
+            storeNames = [storeNames];
+        }
+        if (storeNames.length === 0 && mode !== "versionchange") {
+            throw new InvalidAccessError();
+        }
+        for (const storeName of storeNames) {
+            if (this.objectStoreNames.indexOf(storeName) < 0) {
+                throw new NotFoundError("No objectStore named " + storeName + " in this database");
+            }
+        }
+        const tx = new BridgeIDBTransaction(storeNames, mode, this, backendTransaction);
+        this._transactions.push(tx);
+        queueTask(() => tx._start());
+        return tx;
+    }
+    transaction(storeNames, mode) {
+        if (mode === "versionchange") {
+            throw new TypeError("Invalid mode: " + mode);
+        }
+        return this._internalTransaction(storeNames, mode);
+    }
+    close() {
+        this._closeConnection();
+    }
+    toString() {
+        return "[object IDBDatabase]";
+    }
+}
+
+/*
+  Copyright 2019 Florian Dold
+  Copyright 2017 Jeremy Scheff
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+  or implied. See the License for the specific language governing
+  permissions and limitations under the License.
+*/
+/** @public */
+class BridgeIDBOpenDBRequest extends BridgeIDBRequest {
+    constructor() {
+        super();
+        this.onupgradeneeded = null;
+        this.onblocked = null;
+        // https://www.w3.org/TR/IndexedDB/#open-requests
+        this.source = null;
+    }
+    toString() {
+        return "[object IDBOpenDBRequest]";
+    }
+}
+
+/*
+  Copyright 2019 Florian Dold
+  Copyright 2017 Jeremy Scheff
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+  or implied. See the License for the specific language governing
+  permissions and limitations under the License.
+ */
+class BridgeIDBVersionChangeEvent extends FakeEvent {
+    constructor(type, parameters = {}) {
+        super(type);
+        this.newVersion =
+            parameters.newVersion !== undefined ? parameters.newVersion : null;
+        this.oldVersion =
+            parameters.oldVersion !== undefined ? parameters.oldVersion : 0;
+    }
+    toString() {
+        return "[object IDBVersionChangeEvent]";
+    }
+}
+
+/*
+ Copyright 2017 Jeremy Scheff
+ Copyright 2019 Florian Dold
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ or implied. See the License for the specific language governing
+ permissions and limitations under the License.
+*/
+// https://heycam.github.io/webidl/#EnforceRange
+const enforceRange = (num, type) => {
+    const min = 0;
+    const max = type === "unsigned long" ? 4294967295 : 9007199254740991;
+    if (isNaN(num) || num < min || num > max) {
+        throw new TypeError();
+    }
+    if (num >= 0) {
+        return Math.floor(num);
+    }
+};
+
+/*
+ * Copyright 2017 Jeremy Scheff
+ * Copyright 2019 Florian Dold
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing
+ * permissions and limitations under the License.
+ */
+/** @public */
+class BridgeIDBFactory {
+    constructor(backend) {
+        this.cmp = compareKeys;
+        this.connections = [];
+        this.backend = backend;
+    }
+    // http://www.w3.org/TR/2015/REC-IndexedDB-20150108/#widl-IDBFactory-deleteDatabase-IDBOpenDBRequest-DOMString-name
+    deleteDatabase(name) {
+        const request = new BridgeIDBOpenDBRequest();
+        request.source = null;
+        queueTask(() => __awaiter(this, void 0, void 0, function* () {
+            const databases = yield this.backend.getDatabases();
+            const dbInfo = databases.find((x) => x.name == name);
+            if (!dbInfo) {
+                // Database already doesn't exist, success!
+                const event = new BridgeIDBVersionChangeEvent("success", {
+                    newVersion: null,
+                    oldVersion: 0,
+                });
+                request.dispatchEvent(event);
+                return;
+            }
+            const oldVersion = dbInfo.version;
+            try {
+                const dbconn = yield this.backend.connectDatabase(name);
+                const backendTransaction = yield this.backend.enterVersionChange(dbconn, 0);
+                yield this.backend.deleteDatabase(backendTransaction, name);
+                yield this.backend.commit(backendTransaction);
+                yield this.backend.close(dbconn);
+                request.result = undefined;
+                request.readyState = "done";
+                const event2 = new BridgeIDBVersionChangeEvent("success", {
+                    newVersion: null,
+                    oldVersion,
+                });
+                request.dispatchEvent(event2);
+            }
+            catch (err) {
+                request.error = new Error();
+                request.error.name = err.name;
+                request.readyState = "done";
+                const event = new FakeEvent("error", {
+                    bubbles: true,
+                    cancelable: true,
+                });
+                event.eventPath = [];
+                request.dispatchEvent(event);
+            }
+        }));
+        return request;
+    }
+    // tslint:disable-next-line max-line-length
+    // http://www.w3.org/TR/2015/REC-IndexedDB-20150108/#widl-IDBFactory-open-IDBOpenDBRequest-DOMString-name-unsigned-long-long-version
+    open(name, version) {
+        if (arguments.length > 1 && version !== undefined) {
+            // Based on spec, not sure why "MAX_SAFE_INTEGER" instead of "unsigned long long", but it's needed to pass
+            // tests
+            version = enforceRange(version, "MAX_SAFE_INTEGER");
+        }
+        if (version === 0) {
+            throw new TypeError();
+        }
+        const request = new BridgeIDBOpenDBRequest();
+        queueTask(() => __awaiter(this, void 0, void 0, function* () {
+            let dbconn;
+            try {
+                dbconn = yield this.backend.connectDatabase(name);
+            }
+            catch (err) {
+                request._finishWithError(err);
+                return;
+            }
+            const schema = this.backend.getSchema(dbconn);
+            const existingVersion = schema.databaseVersion;
+            if (version === undefined) {
+                version = existingVersion !== 0 ? existingVersion : 1;
+            }
+            const requestedVersion = version;
+            BridgeIDBFactory.enableTracing &&
+                console.log(`TRACE: existing version ${existingVersion}, requested version ${requestedVersion}`);
+            if (existingVersion > requestedVersion) {
+                request._finishWithError(new VersionError());
+                return;
+            }
+            const db = new BridgeIDBDatabase(this.backend, dbconn);
+            if (existingVersion == requestedVersion) {
+                request.result = db;
+                request.readyState = "done";
+                const event2 = new FakeEvent("success", {
+                    bubbles: false,
+                    cancelable: false,
+                });
+                event2.eventPath = [request];
+                request.dispatchEvent(event2);
+            }
+            if (existingVersion < requestedVersion) {
+                // http://www.w3.org/TR/2015/REC-IndexedDB-20150108/#dfn-steps-for-running-a-versionchange-transaction
+                for (const otherConn of this.connections) {
+                    const event = new BridgeIDBVersionChangeEvent("versionchange", {
+                        newVersion: version,
+                        oldVersion: existingVersion,
+                    });
+                    otherConn.dispatchEvent(event);
+                }
+                if (this._anyOpen()) {
+                    const event = new BridgeIDBVersionChangeEvent("blocked", {
+                        newVersion: version,
+                        oldVersion: existingVersion,
+                    });
+                    request.dispatchEvent(event);
+                }
+                const backendTransaction = yield this.backend.enterVersionChange(dbconn, requestedVersion);
+                db._runningVersionchangeTransaction = true;
+                const transaction = db._internalTransaction([], "versionchange", backendTransaction);
+                const event = new BridgeIDBVersionChangeEvent("upgradeneeded", {
+                    newVersion: version,
+                    oldVersion: existingVersion,
+                });
+                request.result = db;
+                request.readyState = "done";
+                request.transaction = transaction;
+                request.dispatchEvent(event);
+                yield transaction._waitDone();
+                // We don't explicitly exit the versionchange transaction,
+                // since this is already done by the BridgeIDBTransaction.
+                db._runningVersionchangeTransaction = false;
+                const event2 = new FakeEvent("success", {
+                    bubbles: false,
+                    cancelable: false,
+                });
+                event2.eventPath = [request];
+                request.dispatchEvent(event2);
+            }
+            this.connections.push(db);
+            return db;
+        }));
+        return request;
+    }
+    // https://w3c.github.io/IndexedDB/#dom-idbfactory-databases
+    databases() {
+        return this.backend.getDatabases();
+    }
+    toString() {
+        return "[object IDBFactory]";
+    }
+    _anyOpen() {
+        return this.connections.some((c) => !c._closed && !c._closePending);
+    }
+}
+BridgeIDBFactory.enableTracing = false;
+
+/*
+Copyright (c) 2018 David Piepgrass
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+SPDX-License-Identifier: MIT
+*/
+// Informative microbenchmarks & stuff:
+// http://www.jayconrod.com/posts/52/a-tour-of-v8-object-representation (very educational)
+// https://blog.mozilla.org/luke/2012/10/02/optimizing-javascript-variable-access/ (local vars are faster than properties)
+// http://benediktmeurer.de/2017/12/13/an-introduction-to-speculative-optimization-in-v8/ (other stuff)
+// https://jsperf.com/js-in-operator-vs-alternatives (avoid 'in' operator; `.p!==undefined` faster than `hasOwnProperty('p')` in all browsers)
+// https://jsperf.com/instanceof-vs-typeof-vs-constructor-vs-member (speed of type tests varies wildly across browsers)
+// https://jsperf.com/detecting-arrays-new (a.constructor===Array is best across browsers, assuming a is an object)
+// https://jsperf.com/shallow-cloning-methods (a constructor is faster than Object.create; hand-written clone faster than Object.assign)
+// https://jsperf.com/ways-to-fill-an-array (slice-and-replace is fastest)
+// https://jsperf.com/math-min-max-vs-ternary-vs-if (Math.min/max is slow on Edge)
+// https://jsperf.com/array-vs-property-access-speed (v.x/v.y is faster than a[0]/a[1] in major browsers IF hidden class is constant)
+// https://jsperf.com/detect-not-null-or-undefined (`x==null` slightly slower than `x===null||x===undefined` on all browsers)
+// Overall, microbenchmarks suggest Firefox is the fastest browser for JavaScript and Edge is the slowest.
+// Lessons from https://v8project.blogspot.com/2017/09/elements-kinds-in-v8.html:
+//   - Avoid holes in arrays. Avoid `new Array(N)`, it will be "holey" permanently.
+//   - Don't read outside bounds of an array (it scans prototype chain).
+//   - Small integer arrays are stored differently from doubles
+//   - Adding non-numbers to an array deoptimizes it permanently into a general array
+//   - Objects can be used like arrays (e.g. have length property) but are slower
+//   - V8 source (NewElementsCapacity in src/objects.h): arrays grow by 50% + 16 elements
+/** Compares two numbers, strings, arrays of numbers/strings, Dates,
+ *  or objects that have a valueOf() method returning a number or string.
+ *  Optimized for numbers. Returns 1 if a>b, -1 if a<b, and 0 if a===b.
+ */
+function defaultComparator(a, b) {
+    var c = a - b;
+    if (c === c)
+        return c; // a & b are number
+    // General case (c is NaN): string / arrays / Date / incomparable things
+    if (a)
+        a = a.valueOf();
+    if (b)
+        b = b.valueOf();
+    return a < b ? -1 : a > b ? 1 : a == b ? 0 : c;
+}
+/**
+ * A reasonably fast collection of key-value pairs with a powerful API.
+ * Largely compatible with the standard Map. BTree is a B+ tree data structure,
+ * so the collection is sorted by key.
+ *
+ * B+ trees tend to use memory more efficiently than hashtables such as the
+ * standard Map, especially when the collection contains a large number of
+ * items. However, maintaining the sort order makes them modestly slower:
+ * O(log size) rather than O(1). This B+ tree implementation supports O(1)
+ * fast cloning. It also supports freeze(), which can be used to ensure that
+ * a BTree is not changed accidentally.
+ *
+ * Confusingly, the ES6 Map.forEach(c) method calls c(value,key) instead of
+ * c(key,value), in contrast to other methods such as set() and entries()
+ * which put the key first. I can only assume that the order was reversed on
+ * the theory that users would usually want to examine values and ignore keys.
+ * BTree's forEach() therefore works the same way, but a second method
+ * `.forEachPair((key,value)=>{...})` is provided which sends you the key
+ * first and the value second; this method is slightly faster because it is
+ * the "native" for-each method for this class.
+ *
+ * Out of the box, BTree supports keys that are numbers, strings, arrays of
+ * numbers/strings, Date, and objects that have a valueOf() method returning a
+ * number or string. Other data types, such as arrays of Date or custom
+ * objects, require a custom comparator, which you must pass as the second
+ * argument to the constructor (the first argument is an optional list of
+ * initial items). Symbols cannot be used as keys because they are unordered
+ * (one Symbol is never "greater" or "less" than another).
+ *
+ * @example
+ * Given a {name: string, age: number} object, you can create a tree sorted by
+ * name and then by age like this:
+ *
+ *     var tree = new BTree(undefined, (a, b) => {
+ *       if (a.name > b.name)
+ *         return 1; // Return a number >0 when a > b
+ *       else if (a.name < b.name)
+ *         return -1; // Return a number <0 when a < b
+ *       else // names are equal (or incomparable)
+ *         return a.age - b.age; // Return >0 when a.age > b.age
+ *     });
+ *
+ *     tree.set({name:"Bill", age:17}, "happy");
+ *     tree.set({name:"Fran", age:40}, "busy & stressed");
+ *     tree.set({name:"Bill", age:55}, "recently laid off");
+ *     tree.forEachPair((k, v) => {
+ *       console.log(`Name: ${k.name} Age: ${k.age} Status: ${v}`);
+ *     });
+ *
+ * @description
+ * The "range" methods (`forEach, forRange, editRange`) will return the number
+ * of elements that were scanned. In addition, the callback can return {break:R}
+ * to stop early and return R from the outer function.
+ *
+ * - TODO: Test performance of preallocating values array at max size
+ * - TODO: Add fast initialization when a sorted array is provided to constructor
+ *
+ * For more documentation see https://github.com/qwertie/btree-typescript
+ *
+ * Are you a C# developer? You might like the similar data structures I made for C#:
+ * BDictionary, BList, etc. See http://core.loyc.net/collections/
+ *
+ * @author David Piepgrass
+ */
+class BTree {
+    /**
+     * Initializes an empty B+ tree.
+     * @param compare Custom function to compare pairs of elements in the tree.
+     *   This is not required for numbers, strings and arrays of numbers/strings.
+     * @param entries A set of key-value pairs to initialize the tree
+     * @param maxNodeSize Branching factor (maximum items or children per node)
+     *   Must be in range 4..256. If undefined or <4 then default is used; if >256 then 256.
+     */
+    constructor(entries, compare, maxNodeSize) {
+        this._root = EmptyLeaf;
+        this._size = 0;
+        this._maxNodeSize = maxNodeSize >= 4 ? Math.min(maxNodeSize, 256) : 32;
+        this._compare = compare || defaultComparator;
+        if (entries)
+            this.setPairs(entries);
+    }
+    // ES6 Map<K,V> methods ///////////////////////////////////////////////////
+    /** Gets the number of key-value pairs in the tree. */
+    get size() {
+        return this._size;
+    }
+    /** Gets the number of key-value pairs in the tree. */
+    get length() {
+        return this._size;
+    }
+    /** Returns true iff the tree contains no key-value pairs. */
+    get isEmpty() {
+        return this._size === 0;
+    }
+    /** Releases the tree so that its size is 0. */
+    clear() {
+        this._root = EmptyLeaf;
+        this._size = 0;
+    }
+    /** Runs a function for each key-value pair, in order from smallest to
+     *  largest key. For compatibility with ES6 Map, the argument order to
+     *  the callback is backwards: value first, then key. Call forEachPair
+     *  instead to receive the key as the first argument.
+     * @param thisArg If provided, this parameter is assigned as the `this`
+     *        value for each callback.
+     * @returns the number of values that were sent to the callback,
+     *        or the R value if the callback returned {break:R}. */
+    forEach(callback, thisArg) {
+        if (thisArg !== undefined)
+            callback = callback.bind(thisArg);
+        return this.forEachPair((k, v) => callback(v, k, this));
+    }
+    /** Runs a function for each key-value pair, in order from smallest to
+     *  largest key. The callback can return {break:R} (where R is any value
+     *  except undefined) to stop immediately and return R from forEachPair.
+     * @param onFound A function that is called for each key-value pair. This
+     *        function can return {break:R} to stop early with result R.
+     *        The reason that you must return {break:R} instead of simply R
+     *        itself is for consistency with editRange(), which allows
+     *        multiple actions, not just breaking.
+     * @param initialCounter This is the value of the third argument of
+     *        `onFound` the first time it is called. The counter increases
+     *        by one each time `onFound` is called. Default value: 0
+     * @returns the number of pairs sent to the callback (plus initialCounter,
+     *        if you provided one). If the callback returned {break:R} then
+     *        the R value is returned instead. */
+    forEachPair(callback, initialCounter) {
+        var low = this.minKey(), high = this.maxKey();
+        return this.forRange(low, high, true, callback, initialCounter);
+    }
+    /**
+     * Finds a pair in the tree and returns the associated value.
+     * @param defaultValue a value to return if the key was not found.
+     * @returns the value, or defaultValue if the key was not found.
+     * @description Computational complexity: O(log size)
+     */
+    get(key, defaultValue) {
+        return this._root.get(key, defaultValue, this);
+    }
+    /**
+     * Adds or overwrites a key-value pair in the B+ tree.
+     * @param key the key is used to determine the sort order of
+     *        data in the tree.
+     * @param value data to associate with the key (optional)
+     * @param overwrite Whether to overwrite an existing key-value pair
+     *        (default: true). If this is false and there is an existing
+     *        key-value pair then this method has no effect.
+     * @returns true if a new key-value pair was added.
+     * @description Computational complexity: O(log size)
+     * Note: when overwriting a previous entry, the key is updated
+     * as well as the value. This has no effect unless the new key
+     * has data that does not affect its sort order.
+     */
+    set(key, value, overwrite) {
+        if (this._root.isShared)
+            this._root = this._root.clone();
+        var result = this._root.set(key, value, overwrite, this);
+        if (result === true || result === false)
+            return result;
+        // Root node has split, so create a new root node.
+        this._root = new BNodeInternal([this._root, result]);
+        return true;
+    }
+    /**
+     * Returns true if the key exists in the B+ tree, false if not.
+     * Use get() for best performance; use has() if you need to
+     * distinguish between "undefined value" and "key not present".
+     * @param key Key to detect
+     * @description Computational complexity: O(log size)
+     */
+    has(key) {
+        return this.forRange(key, key, true, undefined) !== 0;
+    }
+    /**
+     * Removes a single key-value pair from the B+ tree.
+     * @param key Key to find
+     * @returns true if a pair was found and removed, false otherwise.
+     * @description Computational complexity: O(log size)
+     */
+    delete(key) {
+        return this.editRange(key, key, true, DeleteRange) !== 0;
+    }
+    with(key, value, overwrite) {
+        let nu = this.clone();
+        return nu.set(key, value, overwrite) || overwrite ? nu : this;
+    }
+    /** Returns a copy of the tree with the specified key-value pairs set. */
+    withPairs(pairs, overwrite) {
+        let nu = this.clone();
+        return nu.setPairs(pairs, overwrite) !== 0 || overwrite ? nu : this;
+    }
+    /** Returns a copy of the tree with the specified keys present.
+     *  @param keys The keys to add. If a key is already present in the tree,
+     *         neither the existing key nor the existing value is modified.
+     *  @param returnThisIfUnchanged if true, returns this if all keys already
+     *  existed. Performance note: due to the architecture of this class, all
+     *  node(s) leading to existing keys are cloned even if the collection is
+     *  ultimately unchanged.
+     */
+    withKeys(keys, returnThisIfUnchanged) {
+        let nu = this.clone(), changed = false;
+        for (var i = 0; i < keys.length; i++)
+            changed = nu.set(keys[i], undefined, false) || changed;
+        return returnThisIfUnchanged && !changed ? this : nu;
+    }
+    /** Returns a copy of the tree with the specified key removed.
+     * @param returnThisIfUnchanged if true, returns this if the key didn't exist.
+     *  Performance note: due to the architecture of this class, node(s) leading
+     *  to where the key would have been stored are cloned even when the key
+     *  turns out not to exist and the collection is unchanged.
+     */
+    without(key, returnThisIfUnchanged) {
+        return this.withoutRange(key, key, true, returnThisIfUnchanged);
+    }
+    /** Returns a copy of the tree with the specified keys removed.
+     * @param returnThisIfUnchanged if true, returns this if none of the keys
+     *  existed. Performance note: due to the architecture of this class,
+     *  node(s) leading to where the key would have been stored are cloned
+     *  even when the key turns out not to exist.
+     */
+    withoutKeys(keys, returnThisIfUnchanged) {
+        let nu = this.clone();
+        return nu.deleteKeys(keys) || !returnThisIfUnchanged ? nu : this;
+    }
+    /** Returns a copy of the tree with the specified range of keys removed. */
+    withoutRange(low, high, includeHigh, returnThisIfUnchanged) {
+        let nu = this.clone();
+        if (nu.deleteRange(low, high, includeHigh) === 0 && returnThisIfUnchanged)
+            return this;
+        return nu;
+    }
+    /** Returns a copy of the tree with pairs removed whenever the callback
+     *  function returns false. `where()` is a synonym for this method. */
+    filter(callback, returnThisIfUnchanged) {
+        var nu = this.greedyClone();
+        var del;
+        nu.editAll((k, v, i) => {
+            if (!callback(k, v, i))
+                return (del = Delete);
+        });
+        if (!del && returnThisIfUnchanged)
+            return this;
+        return nu;
+    }
+    /** Returns a copy of the tree with all values altered by a callback function. */
+    mapValues(callback) {
+        var tmp = {};
+        var nu = this.greedyClone();
+        nu.editAll((k, v, i) => {
+            return (tmp.value = callback(v, k, i)), tmp;
+        });
+        return nu;
+    }
+    reduce(callback, initialValue) {
+        let i = 0, p = initialValue;
+        var it = this.entries(this.minKey(), ReusedArray), next;
+        while (!(next = it.next()).done)
+            p = callback(p, next.value, i++, this);
+        return p;
+    }
+    // Iterator methods ///////////////////////////////////////////////////////
+    /** Returns an iterator that provides items in order (ascending order if
+     *  the collection's comparator uses ascending order, as is the default.)
+     *  @param lowestKey First key to be iterated, or undefined to start at
+     *         minKey(). If the specified key doesn't exist then iteration
+     *         starts at the next higher key (according to the comparator).
+     *  @param reusedArray Optional array used repeatedly to store key-value
+     *         pairs, to avoid creating a new array on every iteration.
+     */
+    entries(lowestKey, reusedArray) {
+        var info = this.findPath(lowestKey);
+        if (info === undefined)
+            return iterator();
+        var { nodequeue, nodeindex, leaf } = info;
+        var state = reusedArray !== undefined ? 1 : 0;
+        var i = lowestKey === undefined
+            ? -1
+            : leaf.indexOf(lowestKey, 0, this._compare) - 1;
+        return iterator(() => {
+            jump: for (;;) {
+                switch (state) {
+                    case 0:
+                        if (++i < leaf.keys.length)
+                            return { done: false, value: [leaf.keys[i], leaf.values[i]] };
+                        state = 2;
+                        continue;
+                    case 1:
+                        if (++i < leaf.keys.length) {
+                            (reusedArray[0] = leaf.keys[i]),
+                                (reusedArray[1] = leaf.values[i]);
+                            return { done: false, value: reusedArray };
+                        }
+                        state = 2;
+                    case 2:
+                        // Advance to the next leaf node
+                        for (var level = -1;;) {
+                            if (++level >= nodequeue.length) {
+                                state = 3;
+                                continue jump;
+                            }
+                            if (++nodeindex[level] < nodequeue[level].length)
+                                break;
+                        }
+                        for (; level > 0; level--) {
+                            nodequeue[level - 1] = nodequeue[level][nodeindex[level]].children;
+                            nodeindex[level - 1] = 0;
+                        }
+                        leaf = nodequeue[0][nodeindex[0]];
+                        i = -1;
+                        state = reusedArray !== undefined ? 1 : 0;
+                        continue;
+                    case 3:
+                        return { done: true, value: undefined };
+                }
+            }
+        });
+    }
+    /** Returns an iterator that provides items in reversed order.
+     *  @param highestKey Key at which to start iterating, or undefined to
+     *         start at minKey(). If the specified key doesn't exist then iteration
+     *         starts at the next lower key (according to the comparator).
+     *  @param reusedArray Optional array used repeatedly to store key-value
+     *         pairs, to avoid creating a new array on every iteration.
+     *  @param skipHighest Iff this flag is true and the highestKey exists in the
+     *         collection, the pair matching highestKey is skipped, not iterated.
+     */
+    entriesReversed(highestKey, reusedArray, skipHighest) {
+        if ((highestKey = highestKey || this.maxKey()) === undefined)
+            return iterator(); // collection is empty
+        var { nodequeue, nodeindex, leaf } = this.findPath(highestKey) || this.findPath(this.maxKey());
+        check$1(!nodequeue[0] || leaf === nodequeue[0][nodeindex[0]], "wat!");
+        var i = leaf.indexOf(highestKey, 0, this._compare);
+        if (!(skipHighest || this._compare(leaf.keys[i], highestKey) > 0))
+            i++;
+        var state = reusedArray !== undefined ? 1 : 0;
+        return iterator(() => {
+            jump: for (;;) {
+                switch (state) {
+                    case 0:
+                        if (--i >= 0)
+                            return { done: false, value: [leaf.keys[i], leaf.values[i]] };
+                        state = 2;
+                        continue;
+                    case 1:
+                        if (--i >= 0) {
+                            (reusedArray[0] = leaf.keys[i]),
+                                (reusedArray[1] = leaf.values[i]);
+                            return { done: false, value: reusedArray };
+                        }
+                        state = 2;
+                    case 2:
+                        // Advance to the next leaf node
+                        for (var level = -1;;) {
+                            if (++level >= nodequeue.length) {
+                                state = 3;
+                                continue jump;
+                            }
+                            if (--nodeindex[level] >= 0)
+                                break;
+                        }
+                        for (; level > 0; level--) {
+                            nodequeue[level - 1] = nodequeue[level][nodeindex[level]].children;
+                            nodeindex[level - 1] = nodequeue[level - 1].length - 1;
+                        }
+                        leaf = nodequeue[0][nodeindex[0]];
+                        i = leaf.keys.length;
+                        state = reusedArray !== undefined ? 1 : 0;
+                        continue;
+                    case 3:
+                        return { done: true, value: undefined };
+                }
+            }
+        });
+    }
+    /* Used by entries() and entriesReversed() to prepare to start iterating.
+     * It develops a "node queue" for each non-leaf level of the tree.
+     * Levels are numbered "bottom-up" so that level 0 is a list of leaf
+     * nodes from a low-level non-leaf node. The queue at a given level L
+     * consists of nodequeue[L] which is the children of a BNodeInternal,
+     * and nodeindex[L], the current index within that child list, such
+     * such that nodequeue[L-1] === nodequeue[L][nodeindex[L]].children.
+     * (However inside this function the order is reversed.)
+     */
+    findPath(key) {
+        var nextnode = this._root;
+        var nodequeue, nodeindex;
+        if (nextnode.isLeaf) {
+            (nodequeue = EmptyArray), (nodeindex = EmptyArray); // avoid allocations
+        }
+        else {
+            (nodequeue = []), (nodeindex = []);
+            for (var d = 0; !nextnode.isLeaf; d++) {
+                nodequeue[d] = nextnode.children;
+                nodeindex[d] =
+                    key === undefined ? 0 : nextnode.indexOf(key, 0, this._compare);
+                if (nodeindex[d] >= nodequeue[d].length)
+                    return; // first key > maxKey()
+                nextnode = nodequeue[d][nodeindex[d]];
+            }
+            nodequeue.reverse();
+            nodeindex.reverse();
+        }
+        return { nodequeue, nodeindex, leaf: nextnode };
+    }
+    /** Returns a new iterator for iterating the keys of each pair in ascending order.
+     *  @param firstKey: Minimum key to include in the output. */
+    keys(firstKey) {
+        var it = this.entries(firstKey, ReusedArray);
+        return iterator(() => {
+            var n = it.next();
+            if (n.value)
+                n.value = n.value[0];
+            return n;
+        });
+    }
+    /** Returns a new iterator for iterating the values of each pair in order by key.
+     *  @param firstKey: Minimum key whose associated value is included in the output. */
+    values(firstKey) {
+        var it = this.entries(firstKey, ReusedArray);
+        return iterator(() => {
+            var n = it.next();
+            if (n.value)
+                n.value = n.value[1];
+            return n;
+        });
+    }
+    // Additional methods /////////////////////////////////////////////////////
+    /** Returns the maximum number of children/values before nodes will split. */
+    get maxNodeSize() {
+        return this._maxNodeSize;
+    }
+    /** Gets the lowest key in the tree. Complexity: O(log size) */
+    minKey() {
+        return this._root.minKey();
+    }
+    /** Gets the highest key in the tree. Complexity: O(1) */
+    maxKey() {
+        return this._root.maxKey();
+    }
+    /** Quickly clones the tree by marking the root node as shared.
+     *  Both copies remain editable. When you modify either copy, any
+     *  nodes that are shared (or potentially shared) between the two
+     *  copies are cloned so that the changes do not affect other copies.
+     *  This is known as copy-on-write behavior, or "lazy copying". */
+    clone() {
+        this._root.isShared = true;
+        var result = new BTree(undefined, this._compare, this._maxNodeSize);
+        result._root = this._root;
+        result._size = this._size;
+        return result;
+    }
+    /** Performs a greedy clone, immediately duplicating any nodes that are
+     *  not currently marked as shared, in order to avoid marking any nodes
+     *  as shared.
+     *  @param force Clone all nodes, even shared ones.
+     */
+    greedyClone(force) {
+        var result = new BTree(undefined, this._compare, this._maxNodeSize);
+        result._root = this._root.greedyClone(force);
+        result._size = this._size;
+        return result;
+    }
+    /** Gets an array filled with the contents of the tree, sorted by key */
+    toArray(maxLength = 0x7fffffff) {
+        let min = this.minKey(), max = this.maxKey();
+        if (min !== undefined)
+            return this.getRange(min, max, true, maxLength);
+        return [];
+    }
+    /** Gets an array of all keys, sorted */
+    keysArray() {
+        var results = [];
+        this._root.forRange(this.minKey(), this.maxKey(), true, false, this, 0, (k, v) => {
+            results.push(k);
+        });
+        return results;
+    }
+    /** Gets an array of all values, sorted by key */
+    valuesArray() {
+        var results = [];
+        this._root.forRange(this.minKey(), this.maxKey(), true, false, this, 0, (k, v) => {
+            results.push(v);
+        });
+        return results;
+    }
+    /** Gets a string representing the tree's data based on toArray(). */
+    toString() {
+        return this.toArray().toString();
+    }
+    /** Stores a key-value pair only if the key doesn't already exist in the tree.
+     * @returns true if a new key was added
+     */
+    setIfNotPresent(key, value) {
+        return this.set(key, value, false);
+    }
+    /** Returns the next pair whose key is larger than the specified key (or undefined if there is none) */
+    nextHigherPair(key) {
+        var it = this.entries(key, ReusedArray);
+        var r = it.next();
+        if (!r.done && this._compare(r.value[0], key) <= 0)
+            r = it.next();
+        return r.value;
+    }
+    /** Returns the next key larger than the specified key (or undefined if there is none) */
+    nextHigherKey(key) {
+        var p = this.nextHigherPair(key);
+        return p ? p[0] : p;
+    }
+    /** Returns the next pair whose key is smaller than the specified key (or undefined if there is none) */
+    nextLowerPair(key) {
+        var it = this.entriesReversed(key, ReusedArray, true);
+        return it.next().value;
+    }
+    /** Returns the next key smaller than the specified key (or undefined if there is none) */
+    nextLowerKey(key) {
+        var p = this.nextLowerPair(key);
+        return p ? p[0] : p;
+    }
+    /** Edits the value associated with a key in the tree, if it already exists.
+     * @returns true if the key existed, false if not.
+     */
+    changeIfPresent(key, value) {
+        return this.editRange(key, key, true, (k, v) => ({ value })) !== 0;
+    }
+    /**
+     * Builds an array of pairs from the specified range of keys, sorted by key.
+     * Each returned pair is also an array: pair[0] is the key, pair[1] is the value.
+     * @param low The first key in the array will be greater than or equal to `low`.
+     * @param high This method returns when a key larger than this is reached.
+     * @param includeHigh If the `high` key is present, its pair will be included
+     *        in the output if and only if this parameter is true. Note: if the
+     *        `low` key is present, it is always included in the output.
+     * @param maxLength Length limit. getRange will stop scanning the tree when
+     *                  the array reaches this size.
+     * @description Computational complexity: O(result.length + log size)
+     */
+    getRange(low, high, includeHigh, maxLength = 0x3ffffff) {
+        var results = [];
+        this._root.forRange(low, high, includeHigh, false, this, 0, (k, v) => {
+            results.push([k, v]);
+            return results.length > maxLength ? Break : undefined;
+        });
+        return results;
+    }
+    /** Adds all pairs from a list of key-value pairs.
+     * @param pairs Pairs to add to this tree. If there are duplicate keys,
+     *        later pairs currently overwrite earlier ones (e.g. [[0,1],[0,7]]
+     *        associates 0 with 7.)
+     * @param overwrite Whether to overwrite pairs that already exist (if false,
+     *        pairs[i] is ignored when the key pairs[i][0] already exists.)
+     * @returns The number of pairs added to the collection.
+     * @description Computational complexity: O(pairs.length * log(size + pairs.length))
+     */
+    setPairs(pairs, overwrite) {
+        var added = 0;
+        for (var i = 0; i < pairs.length; i++)
+            if (this.set(pairs[i][0], pairs[i][1], overwrite))
+                added++;
+        return added;
+    }
+    /**
+     * Scans the specified range of keys, in ascending order by key.
+     * Note: the callback `onFound` must not insert or remove items in the
+     * collection. Doing so may cause incorrect data to be sent to the
+     * callback afterward.
+     * @param low The first key scanned will be greater than or equal to `low`.
+     * @param high Scanning stops when a key larger than this is reached.
+     * @param includeHigh If the `high` key is present, `onFound` is called for
+     *        that final pair if and only if this parameter is true.
+     * @param onFound A function that is called for each key-value pair. This
+     *        function can return {break:R} to stop early with result R.
+     * @param initialCounter Initial third argument of onFound. This value
+     *        increases by one each time `onFound` is called. Default: 0
+     * @returns The number of values found, or R if the callback returned
+     *        `{break:R}` to stop early.
+     * @description Computational complexity: O(number of items scanned + log size)
+     */
+    forRange(low, high, includeHigh, onFound, initialCounter) {
+        var r = this._root.forRange(low, high, includeHigh, false, this, initialCounter || 0, onFound);
+        return typeof r === "number" ? r : r.break;
+    }
+    /**
+     * Scans and potentially modifies values for a subsequence of keys.
+     * Note: the callback `onFound` should ideally be a pure function.
+     *   Specfically, it must not insert items, call clone(), or change
+     *   the collection except via return value; out-of-band editing may
+     *   cause an exception or may cause incorrect data to be sent to
+     *   the callback (duplicate or missed items). It must not cause a
+     *   clone() of the collection, otherwise the clone could be modified
+     *   by changes requested by the callback.
+     * @param low The first key scanned will be greater than or equal to `low`.
+     * @param high Scanning stops when a key larger than this is reached.
+     * @param includeHigh If the `high` key is present, `onFound` is called for
+     *        that final pair if and only if this parameter is true.
+     * @param onFound A function that is called for each key-value pair. This
+     *        function can return `{value:v}` to change the value associated
+     *        with the current key, `{delete:true}` to delete the current pair,
+     *        `{break:R}` to stop early with result R, or it can return nothing
+     *        (undefined or {}) to cause no effect and continue iterating.
+     *        `{break:R}` can be combined with one of the other two commands.
+     *        The third argument `counter` is the number of items iterated
+     *        previously; it equals 0 when `onFound` is called the first time.
+     * @returns The number of values scanned, or R if the callback returned
+     *        `{break:R}` to stop early.
+     * @description
+     *   Computational complexity: O(number of items scanned + log size)
+     *   Note: if the tree has been cloned with clone(), any shared
+     *   nodes are copied before `onFound` is called. This takes O(n) time
+     *   where n is proportional to the amount of shared data scanned.
+     */
+    editRange(low, high, includeHigh, onFound, initialCounter) {
+        var root = this._root;
+        if (root.isShared)
+            this._root = root = root.clone();
+        try {
+            var r = root.forRange(low, high, includeHigh, true, this, initialCounter || 0, onFound);
+            return typeof r === "number" ? r : r.break;
+        }
+        finally {
+            while (root.keys.length <= 1 && !root.isLeaf)
+                this._root = root =
+                    root.keys.length === 0
+                        ? EmptyLeaf
+                        : root.children[0];
+        }
+    }
+    /** Same as `editRange` except that the callback is called for all pairs. */
+    editAll(onFound, initialCounter) {
+        return this.editRange(this.minKey(), this.maxKey(), true, onFound, initialCounter);
+    }
+    /**
+     * Removes a range of key-value pairs from the B+ tree.
+     * @param low The first key scanned will be greater than or equal to `low`.
+     * @param high Scanning stops when a key larger than this is reached.
+     * @param includeHigh Specifies whether the `high` key, if present, is deleted.
+     * @returns The number of key-value pairs that were deleted.
+     * @description Computational complexity: O(log size + number of items deleted)
+     */
+    deleteRange(low, high, includeHigh) {
+        return this.editRange(low, high, includeHigh, DeleteRange);
+    }
+    /** Deletes a series of keys from the collection. */
+    deleteKeys(keys) {
+        for (var i = 0, r = 0; i < keys.length; i++)
+            if (this.delete(keys[i]))
+                r++;
+        return r;
+    }
+    /** Gets the height of the tree: the number of internal nodes between the
+     *  BTree object and its leaf nodes (zero if there are no internal nodes). */
+    get height() {
+        for (var node = this._root, h = -1; node != null; h++)
+            node = node.children;
+        return h;
+    }
+    /** Makes the object read-only to ensure it is not accidentally modified.
+     *  Freezing does not have to be permanent; unfreeze() reverses the effect.
+     *  This is accomplished by replacing mutator functions with a function
+     *  that throws an Error. Compared to using a property (e.g. this.isFrozen)
+     *  this implementation gives better performance in non-frozen BTrees.
+     */
+    freeze() {
+        var t = this;
+        // Note: all other mutators ultimately call set() or editRange()
+        //       so we don't need to override those others.
+        t.clear = t.set = t.editRange = function () {
+            throw new Error("Attempted to modify a frozen BTree");
+        };
+    }
+    /** Ensures mutations are allowed, reversing the effect of freeze(). */
+    unfreeze() {
+        // @ts-ignore
+        delete this.clear;
+        // @ts-ignore
+        delete this.set;
+        // @ts-ignore
+        delete this.editRange;
+    }
+    /** Returns true if the tree appears to be frozen. */
+    get isFrozen() {
+        return this.hasOwnProperty("editRange");
+    }
+    /** Scans the tree for signs of serious bugs (e.g. this.size doesn't match
+     *  number of elements, internal nodes not caching max element properly...)
+     *  Computational complexity: O(number of nodes), i.e. O(size). This method
+     *  skips the most expensive test - whether all keys are sorted - but it
+     *  does check that maxKey() of the children of internal nodes are sorted. */
+    checkValid() {
+        var size = this._root.checkValid(0, this);
+        check$1(size === this.size, "size mismatch: counted ", size, "but stored", this.size);
+    }
+}
+if (Symbol && Symbol.iterator)
+    // iterator is equivalent to entries()
+    BTree.prototype[Symbol.iterator] = BTree.prototype.entries;
+BTree.prototype.where = BTree.prototype.filter;
+BTree.prototype.setRange = BTree.prototype.setPairs;
+BTree.prototype.add = BTree.prototype.set;
+function iterator(next = () => ({
+    done: true,
+    value: undefined,
+})) {
+    var result = { next };
+    if (Symbol && Symbol.iterator)
+        result[Symbol.iterator] = function () {
+            return this;
+        };
+    return result;
+}
+/** Leaf node / base class. **************************************************/
+class BNode {
+    constructor(keys = [], values) {
+        this.keys = keys;
+        this.values = values || undefVals;
+        this.isShared = undefined;
+    }
+    get isLeaf() {
+        return this.children === undefined;
+    }
+    // Shared methods /////////////////////////////////////////////////////////
+    maxKey() {
+        return this.keys[this.keys.length - 1];
+    }
+    // If key not found, returns i^failXor where i is the insertion index.
+    // Callers that don't care whether there was a match will set failXor=0.
+    indexOf(key, failXor, cmp) {
+        // TODO: benchmark multiple search strategies
+        const keys = this.keys;
+        var lo = 0, hi = keys.length, mid = hi >> 1;
+        while (lo < hi) {
+            var c = cmp(keys[mid], key);
+            if (c < 0)
+                lo = mid + 1;
+            else if (c > 0)
+                // key < keys[mid]
+                hi = mid;
+            else if (c === 0)
+                return mid;
+            else {
+                // c is NaN or otherwise invalid
+                if (key === key)
+                    // at least the search key is not NaN
+                    return keys.length;
+                else
+                    throw new Error("BTree: NaN was used as a key");
+            }
+            mid = (lo + hi) >> 1;
+        }
+        return mid ^ failXor;
+        // Unrolled version: benchmarks show same speed, not worth using
+        /*var i = 1, c: number = 0, sum = 0;
+        if (keys.length >= 4) {
+          i = 3;
+          if (keys.length >= 8) {
+            i = 7;
+            if (keys.length >= 16) {
+              i = 15;
+              if (keys.length >= 32) {
+                i = 31;
+                if (keys.length >= 64) {
+                  i = 127;
+                  i += (c = i < keys.length ? cmp(keys[i], key) : 1) < 0 ? 64 : -64;
+                  sum += c;
+                  i += (c = i < keys.length ? cmp(keys[i], key) : 1) < 0 ? 32 : -32;
+                  sum += c;
+                }
+                i += (c = i < keys.length ? cmp(keys[i], key) : 1) < 0 ? 16 : -16;
+                sum += c;
+              }
+              i += (c = i < keys.length ? cmp(keys[i], key) : 1) < 0 ? 8 : -8;
+              sum += c;
+            }
+            i += (c = i < keys.length ? cmp(keys[i], key) : 1) < 0 ? 4 : -4;
+            sum += c;
+          }
+          i += (c = i < keys.length ? cmp(keys[i], key) : 1) < 0 ? 2 : -2;
+          sum += c;
+        }
+        i += (c = i < keys.length ? cmp(keys[i], key) : 1) < 0 ? 1 : -1;
+        c = i < keys.length ? cmp(keys[i], key) : 1;
+        sum += c;
+        if (c < 0) {
+          ++i;
+          c = i < keys.length ? cmp(keys[i], key) : 1;
+          sum += c;
+        }
+        if (sum !== sum) {
+          if (key === key) // at least the search key is not NaN
+            return keys.length ^ failXor;
+          else
+            throw new Error("BTree: NaN was used as a key");
+        }
+        return c === 0 ? i : i ^ failXor;*/
+    }
+    // Leaf Node: misc //////////////////////////////////////////////////////////
+    minKey() {
+        return this.keys[0];
+    }
+    clone() {
+        var v = this.values;
+        return new BNode(this.keys.slice(0), v === undefVals ? v : v.slice(0));
+    }
+    greedyClone(force) {
+        return this.isShared && !force ? this : this.clone();
+    }
+    get(key, defaultValue, tree) {
+        var i = this.indexOf(key, -1, tree._compare);
+        return i < 0 ? defaultValue : this.values[i];
+    }
+    checkValid(depth, tree) {
+        var kL = this.keys.length, vL = this.values.length;
+        check$1(this.values === undefVals ? kL <= vL : kL === vL, "keys/values length mismatch: depth", depth, "with lengths", kL, vL);
+        // Note: we don't check for "node too small" because sometimes a node
+        // can legitimately have size 1. This occurs if there is a batch
+        // deletion, leaving a node of size 1, and the siblings are full so
+        // it can't be merged with adjacent nodes. However, the parent will
+        // verify that the average node size is at least half of the maximum.
+        check$1(depth == 0 || kL > 0, "empty leaf at depth", depth);
+        return kL;
+    }
+    // Leaf Node: set & node splitting //////////////////////////////////////////
+    set(key, value, overwrite, tree) {
+        var i = this.indexOf(key, -1, tree._compare);
+        if (i < 0) {
+            // key does not exist yet
+            i = ~i;
+            tree._size++;
+            if (this.keys.length < tree._maxNodeSize) {
+                return this.insertInLeaf(i, key, value, tree);
+            }
+            else {
+                // This leaf node is full and must split
+                var newRightSibling = this.splitOffRightSide(), target = this;
+                if (i > this.keys.length) {
+                    i -= this.keys.length;
+                    target = newRightSibling;
+                }
+                target.insertInLeaf(i, key, value, tree);
+                return newRightSibling;
+            }
+        }
+        else {
+            // Key already exists
+            if (overwrite !== false) {
+                if (value !== undefined)
+                    this.reifyValues();
+                // usually this is a no-op, but some users may wish to edit the key
+                this.keys[i] = key;
+                this.values[i] = value;
+            }
+            return false;
+        }
+    }
+    reifyValues() {
+        if (this.values === undefVals)
+            return (this.values = this.values.slice(0, this.keys.length));
+        return this.values;
+    }
+    insertInLeaf(i, key, value, tree) {
+        this.keys.splice(i, 0, key);
+        if (this.values === undefVals) {
+            while (undefVals.length < tree._maxNodeSize)
+                undefVals.push(undefined);
+            if (value === undefined) {
+                return true;
+            }
+            else {
+                this.values = undefVals.slice(0, this.keys.length - 1);
+            }
+        }
+        this.values.splice(i, 0, value);
+        return true;
+    }
+    takeFromRight(rhs) {
+        // Reminder: parent node must update its copy of key for this node
+        // assert: neither node is shared
+        // assert rhs.keys.length > (maxNodeSize/2 && this.keys.length<maxNodeSize)
+        var v = this.values;
+        if (rhs.values === undefVals) {
+            if (v !== undefVals)
+                v.push(undefined);
+        }
+        else {
+            v = this.reifyValues();
+            v.push(rhs.values.shift());
+        }
+        this.keys.push(rhs.keys.shift());
+    }
+    takeFromLeft(lhs) {
+        // Reminder: parent node must update its copy of key for this node
+        // assert: neither node is shared
+        // assert rhs.keys.length > (maxNodeSize/2 && this.keys.length<maxNodeSize)
+        var v = this.values;
+        if (lhs.values === undefVals) {
+            if (v !== undefVals)
+                v.unshift(undefined);
+        }
+        else {
+            v = this.reifyValues();
+            v.unshift(lhs.values.pop());
+        }
+        this.keys.unshift(lhs.keys.pop());
+    }
+    splitOffRightSide() {
+        // Reminder: parent node must update its copy of key for this node
+        var half = this.keys.length >> 1, keys = this.keys.splice(half);
+        var values = this.values === undefVals ? undefVals : this.values.splice(half);
+        return new BNode(keys, values);
+    }
+    // Leaf Node: scanning & deletions //////////////////////////////////////////
+    forRange(low, high, includeHigh, editMode, tree, count, onFound) {
+        var cmp = tree._compare;
+        var iLow, iHigh;
+        if (high === low) {
+            if (!includeHigh)
+                return count;
+            iHigh = (iLow = this.indexOf(low, -1, cmp)) + 1;
+            if (iLow < 0)
+                return count;
+        }
+        else {
+            iLow = this.indexOf(low, 0, cmp);
+            iHigh = this.indexOf(high, -1, cmp);
+            if (iHigh < 0)
+                iHigh = ~iHigh;
+            else if (includeHigh === true)
+                iHigh++;
+        }
+        var keys = this.keys, values = this.values;
+        if (onFound !== undefined) {
+            for (var i = iLow; i < iHigh; i++) {
+                var key = keys[i];
+                var result = onFound(key, values[i], count++);
+                if (result !== undefined) {
+                    if (editMode === true) {
+                        if (key !== keys[i] || this.isShared === true)
+                            throw new Error("BTree illegally changed or cloned in editRange");
+                        if (result.delete) {
+                            this.keys.splice(i, 1);
+                            if (this.values !== undefVals)
+                                this.values.splice(i, 1);
+                            tree._size--;
+                            i--;
+                            iHigh--;
+                        }
+                        else if (result.hasOwnProperty("value")) {
+                            values[i] = result.value;
+                        }
+                    }
+                    if (result.break !== undefined)
+                        return result;
+                }
+            }
+        }
+        else
+            count += iHigh - iLow;
+        return count;
+    }
+    /** Adds entire contents of right-hand sibling (rhs is left unchanged) */
+    mergeSibling(rhs, _) {
+        this.keys.push.apply(this.keys, rhs.keys);
+        if (this.values === undefVals) {
+            if (rhs.values === undefVals)
+                return;
+            this.values = this.values.slice(0, this.keys.length);
+        }
+        this.values.push.apply(this.values, rhs.reifyValues());
+    }
+}
+/** Internal node (non-leaf node) ********************************************/
+class BNodeInternal extends BNode {
+    constructor(children, keys) {
+        if (!keys) {
+            keys = [];
+            for (var i = 0; i < children.length; i++)
+                keys[i] = children[i].maxKey();
+        }
+        super(keys);
+        this.children = children;
+    }
+    clone() {
+        var children = this.children.slice(0);
+        for (var i = 0; i < children.length; i++)
+            children[i].isShared = true;
+        return new BNodeInternal(children, this.keys.slice(0));
+    }
+    greedyClone(force) {
+        if (this.isShared && !force)
+            return this;
+        var nu = new BNodeInternal(this.children.slice(0), this.keys.slice(0));
+        for (var i = 0; i < nu.children.length; i++)
+            nu.children[i] = nu.children[i].greedyClone();
+        return nu;
+    }
+    minKey() {
+        return this.children[0].minKey();
+    }
+    get(key, defaultValue, tree) {
+        var i = this.indexOf(key, 0, tree._compare), children = this.children;
+        return i < children.length
+            ? children[i].get(key, defaultValue, tree)
+            : undefined;
+    }
+    checkValid(depth, tree) {
+        var kL = this.keys.length, cL = this.children.length;
+        check$1(kL === cL, "keys/children length mismatch: depth", depth, "lengths", kL, cL);
+        check$1(kL > 1, "internal node has length", kL, "at depth", depth);
+        var size = 0, c = this.children, k = this.keys, childSize = 0;
+        for (var i = 0; i < cL; i++) {
+            size += c[i].checkValid(depth + 1, tree);
+            childSize += c[i].keys.length;
+            check$1(size >= childSize, "wtf"); // no way this will ever fail
+            check$1(i === 0 || c[i - 1].constructor === c[i].constructor, "type mismatch");
+            if (c[i].maxKey() != k[i])
+                check$1(false, "keys[", i, "] =", k[i], "is wrong, should be ", c[i].maxKey(), "at depth", depth);
+            if (!(i === 0 || tree._compare(k[i - 1], k[i]) < 0))
+                check$1(false, "sort violation at depth", depth, "index", i, "keys", k[i - 1], k[i]);
+        }
+        var toofew = childSize < (tree.maxNodeSize >> 1) * cL;
+        if (toofew || childSize > tree.maxNodeSize * cL)
+            check$1(false, toofew ? "too few" : "too many", "children (", childSize, size, ") at depth", depth, ", maxNodeSize:", tree.maxNodeSize, "children.length:", cL);
+        return size;
+    }
+    // Internal Node: set & node splitting //////////////////////////////////////
+    set(key, value, overwrite, tree) {
+        var c = this.children, max = tree._maxNodeSize, cmp = tree._compare;
+        var i = Math.min(this.indexOf(key, 0, cmp), c.length - 1), child = c[i];
+        if (child.isShared)
+            c[i] = child = child.clone();
+        if (child.keys.length >= max) {
+            // child is full; inserting anything else will cause a split.
+            // Shifting an item to the left or right sibling may avoid a split.
+            // We can do a shift if the adjacent node is not full and if the
+            // current key can still be placed in the same node after the shift.
+            var other;
+            if (i > 0 &&
+                (other = c[i - 1]).keys.length < max &&
+                cmp(child.keys[0], key) < 0) {
+                if (other.isShared)
+                    c[i - 1] = other = other.clone();
+                other.takeFromRight(child);
+                this.keys[i - 1] = other.maxKey();
+            }
+            else if ((other = c[i + 1]) !== undefined &&
+                other.keys.length < max &&
+                cmp(child.maxKey(), key) < 0) {
+                if (other.isShared)
+                    c[i + 1] = other = other.clone();
+                other.takeFromLeft(child);
+                this.keys[i] = c[i].maxKey();
+            }
+        }
+        var result = child.set(key, value, overwrite, tree);
+        if (result === false)
+            return false;
+        this.keys[i] = child.maxKey();
+        if (result === true)
+            return true;
+        // The child has split and `result` is a new right child... does it fit?
+        if (this.keys.length < max) {
+            // yes
+            this.insert(i + 1, result);
+            return true;
+        }
+        else {
+            // no, we must split also
+            var newRightSibling = this.splitOffRightSide(), target = this;
+            if (cmp(result.maxKey(), this.maxKey()) > 0) {
+                target = newRightSibling;
+                i -= this.keys.length;
+            }
+            target.insert(i + 1, result);
+            return newRightSibling;
+        }
+    }
+    insert(i, child) {
+        this.children.splice(i, 0, child);
+        this.keys.splice(i, 0, child.maxKey());
+    }
+    splitOffRightSide() {
+        var half = this.children.length >> 1;
+        return new BNodeInternal(this.children.splice(half), this.keys.splice(half));
+    }
+    takeFromRight(rhs) {
+        // Reminder: parent node must update its copy of key for this node
+        // assert: neither node is shared
+        // assert rhs.keys.length > (maxNodeSize/2 && this.keys.length<maxNodeSize)
+        this.keys.push(rhs.keys.shift());
+        this.children.push(rhs.children.shift());
+    }
+    takeFromLeft(lhs) {
+        // Reminder: parent node must update its copy of key for this node
+        // assert: neither node is shared
+        // assert rhs.keys.length > (maxNodeSize/2 && this.keys.length<maxNodeSize)
+        this.keys.unshift(lhs.keys.pop());
+        this.children.unshift(lhs.children.pop());
+    }
+    // Internal Node: scanning & deletions //////////////////////////////////////
+    forRange(low, high, includeHigh, editMode, tree, count, onFound) {
+        var cmp = tree._compare;
+        var iLow = this.indexOf(low, 0, cmp), i = iLow;
+        var iHigh = Math.min(high === low ? iLow : this.indexOf(high, 0, cmp), this.keys.length - 1);
+        var keys = this.keys, children = this.children;
+        if (!editMode) {
+            // Simple case
+            for (; i <= iHigh; i++) {
+                var result = children[i].forRange(low, high, includeHigh, editMode, tree, count, onFound);
+                if (typeof result !== "number")
+                    return result;
+                count = result;
+            }
+        }
+        else if (i <= iHigh) {
+            try {
+                for (; i <= iHigh; i++) {
+                    if (children[i].isShared)
+                        children[i] = children[i].clone();
+                    var result = children[i].forRange(low, high, includeHigh, editMode, tree, count, onFound);
+                    keys[i] = children[i].maxKey();
+                    if (typeof result !== "number")
+                        return result;
+                    count = result;
+                }
+            }
+            finally {
+                // Deletions may have occurred, so look for opportunities to merge nodes.
+                var half = tree._maxNodeSize >> 1;
+                if (iLow > 0)
+                    iLow--;
+                for (i = iHigh; i >= iLow; i--) {
+                    if (children[i].keys.length <= half)
+                        this.tryMerge(i, tree._maxNodeSize);
+                }
+                // Are we completely empty?
+                if (children[0].keys.length === 0) {
+                    check$1(children.length === 1 && keys.length === 1, "emptiness bug");
+                    children.shift();
+                    keys.shift();
+                }
+            }
+        }
+        return count;
+    }
+    /** Merges child i with child i+1 if their combined size is not too large */
+    tryMerge(i, maxSize) {
+        var children = this.children;
+        if (i >= 0 && i + 1 < children.length) {
+            if (children[i].keys.length + children[i + 1].keys.length <= maxSize) {
+                if (children[i].isShared)
+                    // cloned already UNLESS i is outside scan range
+                    children[i] = children[i].clone();
+                children[i].mergeSibling(children[i + 1], maxSize);
+                children.splice(i + 1, 1);
+                this.keys.splice(i + 1, 1);
+                this.keys[i] = children[i].maxKey();
+                return true;
+            }
+        }
+        return false;
+    }
+    mergeSibling(rhs, maxNodeSize) {
+        // assert !this.isShared;
+        var oldLength = this.keys.length;
+        this.keys.push.apply(this.keys, rhs.keys);
+        this.children.push.apply(this.children, rhs.children);
+        // If our children are themselves almost empty due to a mass-delete,
+        // they may need to be merged too (but only the oldLength-1 and its
+        // right sibling should need this).
+        this.tryMerge(oldLength - 1, maxNodeSize);
+    }
+}
+// Optimization: this array of `undefined`s is used instead of a normal
+// array of values in nodes where `undefined` is the only value.
+// Its length is extended to max node size on first use; since it can
+// be shared between trees with different maximums, its length can only
+// increase, never decrease. Its type should be undefined[] but strangely
+// TypeScript won't allow the comparison V[] === undefined[]. To prevent
+// users from making this array too large, BTree has a maximum node size.
+var undefVals = [];
+const Delete = { delete: true }, DeleteRange = () => Delete;
+const Break = { break: true };
+const EmptyLeaf = (function () {
+    var n = new BNode();
+    n.isShared = true;
+    return n;
+})();
+const EmptyArray = [];
+const ReusedArray = []; // assumed thread-local
+function check$1(fact, ...args) {
+    if (!fact) {
+        args.unshift("B+ tree "); // at beginning of message
+        throw new Error(args.join(" "));
+    }
+}
+/** A BTree frozen in the empty state. */
+const EmptyBTree = (() => {
+    let t = new BTree();
+    t.freeze();
+    return t;
+})();
+
+/*
+ Copyright 2017 Jeremy Scheff
+ Copyright 2019 Florian Dold
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ or implied. See the License for the specific language governing
+ permissions and limitations under the License.
+*/
+// http://www.w3.org/TR/2015/REC-IndexedDB-20150108/#dfn-steps-for-extracting-a-key-from-a-value-using-a-key-path
+const extractKey = (keyPath, value) => {
+    if (Array.isArray(keyPath)) {
+        const result = [];
+        for (let item of keyPath) {
+            // This doesn't make sense to me based on the spec, but it is needed to pass the W3C KeyPath tests (see same
+            // comment in validateKeyPath)
+            if (item !== undefined &&
+                item !== null &&
+                typeof item !== "string" &&
+                item.toString) {
+                item = item.toString();
+            }
+            result.push(valueToKey(extractKey(item, value)));
+        }
+        return result;
+    }
+    if (keyPath === "") {
+        return value;
+    }
+    let remainingKeyPath = keyPath;
+    let object = value;
+    while (remainingKeyPath !== null) {
+        let identifier;
+        const i = remainingKeyPath.indexOf(".");
+        if (i >= 0) {
+            identifier = remainingKeyPath.slice(0, i);
+            remainingKeyPath = remainingKeyPath.slice(i + 1);
+        }
+        else {
+            identifier = remainingKeyPath;
+            remainingKeyPath = null;
+        }
+        if (!object.hasOwnProperty(identifier)) {
+            return;
+        }
+        object = object[identifier];
+    }
+    return object;
+};
+
+/*
+ Copyright 2017 Jeremy Scheff
+ Copyright 2019 Florian Dold
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ or implied. See the License for the specific language governing
+ permissions and limitations under the License.
+*/
+function injectKey(keyPath, value, key) {
+    if (Array.isArray(keyPath)) {
+        // tslint:disable-next-line max-line-length
+        throw new Error("The key paths used in this section are always strings and never sequences, since it is not possible to create a object store which has a key generator and also has a key path that is a sequence.");
+    }
+    const identifiers = keyPath.split(".");
+    if (identifiers.length === 0) {
+        throw new Error("Assert: identifiers is not empty");
+    }
+    const lastIdentifier = identifiers.pop();
+    if (lastIdentifier === null || lastIdentifier === undefined) {
+        throw Error();
+    }
+    for (const identifier of identifiers) {
+        if (typeof value !== "object" && !Array.isArray(value)) {
+            return false;
+        }
+        const hop = value.hasOwnProperty(identifier);
+        if (!hop) {
+            return true;
+        }
+        value = value[identifier];
+    }
+    if (!(typeof value === "object" || Array.isArray(value))) {
+        throw new Error("can't inject key");
+    }
+    const newValue = structuredClone(value);
+    newValue[lastIdentifier] = structuredClone(key);
+    return newValue;
+}
+
+/*
+ Copyright 2019 Florian Dold
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ or implied. See the License for the specific language governing
+ permissions and limitations under the License.
+*/
+function makeStoreKeyValue(value, key, currentKeyGenerator, autoIncrement, keyPath) {
+    const haveKey = key !== null && key !== undefined;
+    const haveKeyPath = keyPath !== null && keyPath !== undefined;
+    // This models a decision table on (haveKey, haveKeyPath, autoIncrement)
+    value = structuredClone(value);
+    if (haveKey) {
+        if (haveKeyPath) {
+            // (yes, yes, no)
+            // (yes, yes, yes)
+            throw new DataError();
+        }
+        else {
+            if (autoIncrement) {
+                // (yes, no, yes)
+                key = valueToKey(key);
+                let updatedKeyGenerator;
+                if (typeof key !== "number") {
+                    updatedKeyGenerator = currentKeyGenerator;
+                }
+                else {
+                    updatedKeyGenerator = key;
+                }
+                return {
+                    key: key,
+                    value: value,
+                    updatedKeyGenerator,
+                };
+            }
+            else {
+                // (yes, no, no)
+                throw new DataError();
+            }
+        }
+    }
+    else {
+        if (haveKeyPath) {
+            if (autoIncrement) {
+                // (no, yes, yes)
+                let updatedKeyGenerator;
+                const maybeInlineKey = extractKey(keyPath, value);
+                if (maybeInlineKey === undefined) {
+                    value = injectKey(keyPath, value, currentKeyGenerator);
+                    key = currentKeyGenerator;
+                    updatedKeyGenerator = currentKeyGenerator + 1;
+                }
+                else if (typeof maybeInlineKey === "number") {
+                    key = maybeInlineKey;
+                    if (maybeInlineKey >= currentKeyGenerator) {
+                        updatedKeyGenerator = maybeInlineKey + 1;
+                    }
+                    else {
+                        updatedKeyGenerator = currentKeyGenerator;
+                    }
+                }
+                else {
+                    key = maybeInlineKey;
+                    updatedKeyGenerator = currentKeyGenerator;
+                }
+                return {
+                    key: key,
+                    value: value,
+                    updatedKeyGenerator,
+                };
+            }
+            else {
+                // (no, yes, no)
+                key = extractKey(keyPath, value);
+                key = valueToKey(key);
+                return {
+                    key: key,
+                    value: value,
+                    updatedKeyGenerator: currentKeyGenerator,
+                };
+            }
+        }
+        else {
+            if (autoIncrement) {
+                // (no, no, yes)
+                return {
+                    key: currentKeyGenerator,
+                    value: value,
+                    updatedKeyGenerator: currentKeyGenerator + 1,
+                };
+            }
+            else {
+                // (no, no, no)
+                throw new DataError();
+            }
+        }
+    }
+}
+
+/*
+ Copyright 2017 Jeremy Scheff
+ Copyright 2019 Florian Dold
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ or implied. See the License for the specific language governing
+ permissions and limitations under the License.
+*/
+function getIndexKeys(value, keyPath, multiEntry) {
+    if (multiEntry && Array.isArray(keyPath)) {
+        const keys = [];
+        for (const subkeyPath of keyPath) {
+            const key = extractKey(subkeyPath, value);
+            try {
+                const k = valueToKey(key);
+                keys.push(k);
+            }
+            catch (_a) {
+                // Ignore invalid subkeys
+            }
+        }
+        return keys;
+    }
+    else {
+        let key = extractKey(keyPath, value);
+        return [valueToKey(key)];
+    }
+}
+
+/*
+ Copyright 2019 Florian Dold
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ or implied. See the License for the specific language governing
+ permissions and limitations under the License.
+ */
+var TransactionLevel;
+(function (TransactionLevel) {
+    TransactionLevel[TransactionLevel["Disconnected"] = 0] = "Disconnected";
+    TransactionLevel[TransactionLevel["Connected"] = 1] = "Connected";
+    TransactionLevel[TransactionLevel["Read"] = 2] = "Read";
+    TransactionLevel[TransactionLevel["Write"] = 3] = "Write";
+    TransactionLevel[TransactionLevel["VersionChange"] = 4] = "VersionChange";
+})(TransactionLevel || (TransactionLevel = {}));
+class AsyncCondition$1 {
+    constructor() {
+        const op = openPromise$1();
+        this._waitPromise = op.promise;
+        this._resolveWaitPromise = op.resolve;
+    }
+    wait() {
+        return this._waitPromise;
+    }
+    trigger() {
+        this._resolveWaitPromise();
+        const op = openPromise$1();
+        this._waitPromise = op.promise;
+        this._resolveWaitPromise = op.resolve;
+    }
+}
+function nextStoreKey(forward, data, k) {
+    if (k === undefined || k === null) {
+        return undefined;
+    }
+    const res = forward ? data.nextHigherPair(k) : data.nextLowerPair(k);
+    if (!res) {
+        return undefined;
+    }
+    return res[1].primaryKey;
+}
+function furthestKey(forward, key1, key2) {
+    if (key1 === undefined) {
+        return key2;
+    }
+    if (key2 === undefined) {
+        return key1;
+    }
+    const cmpResult = compareKeys(key1, key2);
+    if (cmpResult === 0) {
+        // Same result
+        return key1;
+    }
+    if (forward && cmpResult === 1) {
+        return key1;
+    }
+    if (forward && cmpResult === -1) {
+        return key2;
+    }
+    if (!forward && cmpResult === 1) {
+        return key2;
+    }
+    if (!forward && cmpResult === -1) {
+        return key1;
+    }
+}
+/**
+ * Primitive in-memory backend.
+ *
+ * @public
+ */
+class MemoryBackend {
+    constructor() {
+        this.databases = {};
+        this.connectionIdCounter = 1;
+        this.transactionIdCounter = 1;
+        /**
+         * Connections by connection cookie.
+         */
+        this.connections = {};
+        /**
+         * Connections by transaction (!!) cookie.  In this implementation,
+         * at most one transaction can run at the same time per connection.
+         */
+        this.connectionsByTransaction = {};
+        /**
+         * Condition that is triggered whenever a client disconnects.
+         */
+        this.disconnectCond = new AsyncCondition$1();
+        /**
+         * Conditation that is triggered whenever a transaction finishes.
+         */
+        this.transactionDoneCond = new AsyncCondition$1();
+        this.enableTracing = false;
+    }
+    /**
+     * Load the data in this IndexedDB backend from a dump in JSON format.
+     *
+     * Must be called before any connections to the database backend have
+     * been made.
+     */
+    importDump(data) {
+        if (this.enableTracing) {
+            console.log("importing dump (a)");
+        }
+        if (this.transactionIdCounter != 1 || this.connectionIdCounter != 1) {
+            throw Error("data must be imported before first transaction or connection");
+        }
+        this.databases = {};
+        for (const dbName of Object.keys(data.databases)) {
+            const schema = data.databases[dbName].schema;
+            if (typeof schema !== "object") {
+                throw Error("DB dump corrupt");
+            }
+            const objectStores = {};
+            for (const objectStoreName of Object.keys(data.databases[dbName].objectStores)) {
+                const dumpedObjectStore = data.databases[dbName].objectStores[objectStoreName];
+                const indexes = {};
+                for (const indexName of Object.keys(dumpedObjectStore.indexes)) {
+                    const dumpedIndex = dumpedObjectStore.indexes[indexName];
+                    const pairs = dumpedIndex.records.map((r) => {
+                        return structuredClone([r.indexKey, r]);
+                    });
+                    const indexData = new BTree(pairs, compareKeys);
+                    const index = {
+                        deleted: false,
+                        modifiedData: undefined,
+                        modifiedName: undefined,
+                        originalName: indexName,
+                        originalData: indexData,
+                    };
+                    indexes[indexName] = index;
+                }
+                const pairs = dumpedObjectStore.records.map((r) => {
+                    return structuredClone([r.primaryKey, r]);
+                });
+                const objectStoreData = new BTree(pairs, compareKeys);
+                const objectStore = {
+                    deleted: false,
+                    modifiedData: undefined,
+                    modifiedName: undefined,
+                    modifiedKeyGenerator: undefined,
+                    originalData: objectStoreData,
+                    originalName: objectStoreName,
+                    originalKeyGenerator: dumpedObjectStore.keyGenerator,
+                    committedIndexes: indexes,
+                    modifiedIndexes: {},
+                };
+                objectStores[objectStoreName] = objectStore;
+            }
+            const db = {
+                deleted: false,
+                committedObjectStores: objectStores,
+                committedSchema: structuredClone(schema),
+                connectionCookie: undefined,
+                txLevel: TransactionLevel.Disconnected,
+                txRestrictObjectStores: undefined,
+            };
+            this.databases[dbName] = db;
+        }
+    }
+    makeObjectStoreMap(database) {
+        let map = {};
+        for (let objectStoreName in database.committedObjectStores) {
+            const store = database.committedObjectStores[objectStoreName];
+            const entry = {
+                store,
+                indexMap: Object.assign({}, store.committedIndexes),
+            };
+            map[objectStoreName] = entry;
+        }
+        return map;
+    }
+    /**
+     * Export the contents of the database to JSON.
+     *
+     * Only exports data that has been committed.
+     */
+    exportDump() {
+        this.enableTracing && console.log("exporting dump");
+        const dbDumps = {};
+        for (const dbName of Object.keys(this.databases)) {
+            const db = this.databases[dbName];
+            const objectStores = {};
+            for (const objectStoreName of Object.keys(db.committedObjectStores)) {
+                const objectStore = db.committedObjectStores[objectStoreName];
+                const indexes = {};
+                for (const indexName of Object.keys(objectStore.committedIndexes)) {
+                    const index = objectStore.committedIndexes[indexName];
+                    const indexRecords = [];
+                    index.originalData.forEach((v) => {
+                        indexRecords.push(structuredClone(v));
+                    });
+                    indexes[indexName] = { name: indexName, records: indexRecords };
+                }
+                const objectStoreRecords = [];
+                objectStore.originalData.forEach((v) => {
+                    objectStoreRecords.push(structuredClone(v));
+                });
+                objectStores[objectStoreName] = {
+                    name: objectStoreName,
+                    records: objectStoreRecords,
+                    keyGenerator: objectStore.originalKeyGenerator,
+                    indexes: indexes,
+                };
+            }
+            const dbDump = {
+                objectStores,
+                schema: structuredClone(this.databases[dbName].committedSchema),
+            };
+            dbDumps[dbName] = dbDump;
+        }
+        return { databases: dbDumps };
+    }
+    getDatabases() {
+        return __awaiter(this, void 0, void 0, function* () {
+            if (this.enableTracing) {
+                console.log("TRACING: getDatabase");
+            }
+            const dbList = [];
+            for (const name in this.databases) {
+                dbList.push({
+                    name,
+                    version: this.databases[name].committedSchema.databaseVersion,
+                });
+            }
+            return dbList;
+        });
+    }
+    deleteDatabase(tx, name) {
+        return __awaiter(this, void 0, void 0, function* () {
+            if (this.enableTracing) {
+                console.log("TRACING: deleteDatabase");
+            }
+            const myConn = this.connectionsByTransaction[tx.transactionCookie];
+            if (!myConn) {
+                throw Error("no connection associated with transaction");
+            }
+            const myDb = this.databases[name];
+            if (!myDb) {
+                throw Error("db not found");
+            }
+            if (myDb.committedSchema.databaseName !== name) {
+                throw Error("name does not match");
+            }
+            if (myDb.txLevel < TransactionLevel.VersionChange) {
+                throw new InvalidStateError();
+            }
+            if (myDb.connectionCookie !== tx.transactionCookie) {
+                throw new InvalidAccessError();
+            }
+            myDb.deleted = true;
+        });
+    }
+    connectDatabase(name) {
+        return __awaiter(this, void 0, void 0, function* () {
+            if (this.enableTracing) {
+                console.log(`TRACING: connectDatabase(${name})`);
+            }
+            const connectionId = this.connectionIdCounter++;
+            const connectionCookie = `connection-${connectionId}`;
+            let database = this.databases[name];
+            if (!database) {
+                const schema = {
+                    databaseName: name,
+                    databaseVersion: 0,
+                    objectStores: {},
+                };
+                database = {
+                    committedSchema: schema,
+                    deleted: false,
+                    committedObjectStores: {},
+                    txLevel: TransactionLevel.Disconnected,
+                    connectionCookie: undefined,
+                    txRestrictObjectStores: undefined,
+                };
+                this.databases[name] = database;
+            }
+            while (database.txLevel !== TransactionLevel.Disconnected) {
+                yield this.disconnectCond.wait();
+            }
+            database.txLevel = TransactionLevel.Connected;
+            database.txRestrictObjectStores = undefined;
+            database.connectionCookie = connectionCookie;
+            const myConn = {
+                dbName: name,
+                deleted: false,
+                objectStoreMap: this.makeObjectStoreMap(database),
+                modifiedSchema: structuredClone(database.committedSchema),
+            };
+            this.connections[connectionCookie] = myConn;
+            return { connectionCookie };
+        });
+    }
+    beginTransaction(conn, objectStores, mode) {
+        return __awaiter(this, void 0, void 0, function* () {
+            if (this.enableTracing) {
+                console.log(`TRACING: beginTransaction`);
+            }
+            const transactionCookie = `tx-${this.transactionIdCounter++}`;
+            const myConn = this.connections[conn.connectionCookie];
+            if (!myConn) {
+                throw Error("connection not found");
+            }
+            const myDb = this.databases[myConn.dbName];
+            if (!myDb) {
+                throw Error("db not found");
+            }
+            while (myDb.txLevel !== TransactionLevel.Connected) {
+                if (this.enableTracing) {
+                    console.log(`TRACING: beginTransaction -- waiting for others to close`);
+                }
+                yield this.transactionDoneCond.wait();
+            }
+            if (mode === "readonly") {
+                myDb.txLevel = TransactionLevel.Read;
+            }
+            else if (mode === "readwrite") {
+                myDb.txLevel = TransactionLevel.Write;
+            }
+            else {
+                throw Error("unsupported transaction mode");
+            }
+            myDb.txRestrictObjectStores = [...objectStores];
+            this.connectionsByTransaction[transactionCookie] = myConn;
+            return { transactionCookie };
+        });
+    }
+    enterVersionChange(conn, newVersion) {
+        return __awaiter(this, void 0, void 0, function* () {
+            if (this.enableTracing) {
+                console.log(`TRACING: enterVersionChange`);
+            }
+            const transactionCookie = `tx-vc-${this.transactionIdCounter++}`;
+            const myConn = this.connections[conn.connectionCookie];
+            if (!myConn) {
+                throw Error("connection not found");
+            }
+            const myDb = this.databases[myConn.dbName];
+            if (!myDb) {
+                throw Error("db not found");
+            }
+            while (myDb.txLevel !== TransactionLevel.Connected) {
+                yield this.transactionDoneCond.wait();
+            }
+            myDb.txLevel = TransactionLevel.VersionChange;
+            myDb.txRestrictObjectStores = undefined;
+            this.connectionsByTransaction[transactionCookie] = myConn;
+            myConn.modifiedSchema.databaseVersion = newVersion;
+            return { transactionCookie };
+        });
+    }
+    close(conn) {
+        return __awaiter(this, void 0, void 0, function* () {
+            if (this.enableTracing) {
+                console.log(`TRACING: close`);
+            }
+            const myConn = this.connections[conn.connectionCookie];
+            if (!myConn) {
+                throw Error("connection not found - already closed?");
+            }
+            if (!myConn.deleted) {
+                const myDb = this.databases[myConn.dbName];
+                if (myDb.txLevel != TransactionLevel.Connected) {
+                    throw Error("invalid state");
+                }
+                myDb.txLevel = TransactionLevel.Disconnected;
+                myDb.txRestrictObjectStores = undefined;
+            }
+            delete this.connections[conn.connectionCookie];
+            this.disconnectCond.trigger();
+        });
+    }
+    getSchema(dbConn) {
+        if (this.enableTracing) {
+            console.log(`TRACING: getSchema`);
+        }
+        const myConn = this.connections[dbConn.connectionCookie];
+        if (!myConn) {
+            throw Error("unknown connection");
+        }
+        const db = this.databases[myConn.dbName];
+        if (!db) {
+            throw Error("db not found");
+        }
+        return myConn.modifiedSchema;
+    }
+    renameIndex(btx, objectStoreName, oldName, newName) {
+        if (this.enableTracing) {
+            console.log(`TRACING: renameIndex(?, ${oldName}, ${newName})`);
+        }
+        const myConn = this.connectionsByTransaction[btx.transactionCookie];
+        if (!myConn) {
+            throw Error("unknown connection");
+        }
+        const db = this.databases[myConn.dbName];
+        if (!db) {
+            throw Error("db not found");
+        }
+        if (db.txLevel < TransactionLevel.VersionChange) {
+            throw Error("only allowed in versionchange transaction");
+        }
+        let schema = myConn.modifiedSchema;
+        if (!schema) {
+            throw Error();
+        }
+        const indexesSchema = schema.objectStores[objectStoreName].indexes;
+        if (indexesSchema[newName]) {
+            throw new Error("new index name already used");
+        }
+        if (!indexesSchema) {
+            throw new Error("new index name already used");
+        }
+        const index = myConn.objectStoreMap[objectStoreName].indexMap[oldName];
+        if (!index) {
+            throw Error("old index missing in connection's index map");
+        }
+        indexesSchema[newName] = indexesSchema[newName];
+        delete indexesSchema[oldName];
+        myConn.objectStoreMap[objectStoreName].indexMap[newName] = index;
+        delete myConn.objectStoreMap[objectStoreName].indexMap[oldName];
+        index.modifiedName = newName;
+    }
+    deleteIndex(btx, objectStoreName, indexName) {
+        if (this.enableTracing) {
+            console.log(`TRACING: deleteIndex(${indexName})`);
+        }
+        const myConn = this.connections[btx.transactionCookie];
+        if (!myConn) {
+            throw Error("unknown connection");
+        }
+        const db = this.databases[myConn.dbName];
+        if (!db) {
+            throw Error("db not found");
+        }
+        if (db.txLevel < TransactionLevel.VersionChange) {
+            throw Error("only allowed in versionchange transaction");
+        }
+        let schema = myConn.modifiedSchema;
+        if (!schema) {
+            throw Error();
+        }
+        if (!schema.objectStores[objectStoreName].indexes[indexName]) {
+            throw new Error("index does not exist");
+        }
+        const index = myConn.objectStoreMap[objectStoreName].indexMap[indexName];
+        if (!index) {
+            throw Error("old index missing in connection's index map");
+        }
+        index.deleted = true;
+        delete schema.objectStores[objectStoreName].indexes[indexName];
+        delete myConn.objectStoreMap[objectStoreName].indexMap[indexName];
+    }
+    deleteObjectStore(btx, name) {
+        if (this.enableTracing) {
+            console.log(`TRACING: deleteObjectStore(${name})`);
+        }
+        const myConn = this.connections[btx.transactionCookie];
+        if (!myConn) {
+            throw Error("unknown connection");
+        }
+        const db = this.databases[myConn.dbName];
+        if (!db) {
+            throw Error("db not found");
+        }
+        if (db.txLevel < TransactionLevel.VersionChange) {
+            throw Error("only allowed in versionchange transaction");
+        }
+        const schema = myConn.modifiedSchema;
+        if (!schema) {
+            throw Error();
+        }
+        const objectStoreProperties = schema.objectStores[name];
+        if (!objectStoreProperties) {
+            throw Error("object store not found");
+        }
+        const objectStoreMapEntry = myConn.objectStoreMap[name];
+        if (!objectStoreMapEntry) {
+            throw Error("object store not found in map");
+        }
+        const indexNames = Object.keys(objectStoreProperties.indexes);
+        for (const indexName of indexNames) {
+            this.deleteIndex(btx, name, indexName);
+        }
+        objectStoreMapEntry.store.deleted = true;
+        delete myConn.objectStoreMap[name];
+        delete schema.objectStores[name];
+    }
+    renameObjectStore(btx, oldName, newName) {
+        if (this.enableTracing) {
+            console.log(`TRACING: renameObjectStore(?, ${oldName}, ${newName})`);
+        }
+        const myConn = this.connections[btx.transactionCookie];
+        if (!myConn) {
+            throw Error("unknown connection");
+        }
+        const db = this.databases[myConn.dbName];
+        if (!db) {
+            throw Error("db not found");
+        }
+        if (db.txLevel < TransactionLevel.VersionChange) {
+            throw Error("only allowed in versionchange transaction");
+        }
+        const schema = myConn.modifiedSchema;
+        if (!schema) {
+            throw Error();
+        }
+        if (!schema.objectStores[oldName]) {
+            throw Error("object store not found");
+        }
+        if (schema.objectStores[newName]) {
+            throw Error("new object store already exists");
+        }
+        const objectStoreMapEntry = myConn.objectStoreMap[oldName];
+        if (!objectStoreMapEntry) {
+            throw Error("object store not found in map");
+        }
+        objectStoreMapEntry.store.modifiedName = newName;
+        schema.objectStores[newName] = schema.objectStores[oldName];
+        delete schema.objectStores[oldName];
+        delete myConn.objectStoreMap[oldName];
+        myConn.objectStoreMap[newName] = objectStoreMapEntry;
+    }
+    createObjectStore(btx, name, keyPath, autoIncrement) {
+        if (this.enableTracing) {
+            console.log(`TRACING: createObjectStore(${btx.transactionCookie}, ${name})`);
+        }
+        const myConn = this.connectionsByTransaction[btx.transactionCookie];
+        if (!myConn) {
+            throw Error("unknown connection");
+        }
+        const db = this.databases[myConn.dbName];
+        if (!db) {
+            throw Error("db not found");
+        }
+        if (db.txLevel < TransactionLevel.VersionChange) {
+            throw Error("only allowed in versionchange transaction");
+        }
+        const newObjectStore = {
+            deleted: false,
+            modifiedName: undefined,
+            originalName: name,
+            modifiedData: undefined,
+            originalData: new BTree([], compareKeys),
+            modifiedKeyGenerator: undefined,
+            originalKeyGenerator: 1,
+            committedIndexes: {},
+            modifiedIndexes: {},
+        };
+        const schema = myConn.modifiedSchema;
+        if (!schema) {
+            throw Error("no schema for versionchange tx");
+        }
+        schema.objectStores[name] = {
+            autoIncrement,
+            keyPath,
+            indexes: {},
+        };
+        myConn.objectStoreMap[name] = { store: newObjectStore, indexMap: {} };
+    }
+    createIndex(btx, indexName, objectStoreName, keyPath, multiEntry, unique) {
+        if (this.enableTracing) {
+            console.log(`TRACING: createIndex(${indexName})`);
+        }
+        const myConn = this.connectionsByTransaction[btx.transactionCookie];
+        if (!myConn) {
+            throw Error("unknown connection");
+        }
+        const db = this.databases[myConn.dbName];
+        if (!db) {
+            throw Error("db not found");
+        }
+        if (db.txLevel < TransactionLevel.VersionChange) {
+            throw Error("only allowed in versionchange transaction");
+        }
+        const indexProperties = {
+            keyPath,
+            multiEntry,
+            unique,
+        };
+        const newIndex = {
+            deleted: false,
+            modifiedData: undefined,
+            modifiedName: undefined,
+            originalData: new BTree([], compareKeys),
+            originalName: indexName,
+        };
+        myConn.objectStoreMap[objectStoreName].indexMap[indexName] = newIndex;
+        const schema = myConn.modifiedSchema;
+        if (!schema) {
+            throw Error("no schema in versionchange tx");
+        }
+        const objectStoreProperties = schema.objectStores[objectStoreName];
+        if (!objectStoreProperties) {
+            throw Error("object store not found");
+        }
+        objectStoreProperties.indexes[indexName] = indexProperties;
+        const objectStoreMapEntry = myConn.objectStoreMap[objectStoreName];
+        if (!objectStoreMapEntry) {
+            throw Error("object store does not exist");
+        }
+        const storeData = objectStoreMapEntry.store.modifiedData ||
+            objectStoreMapEntry.store.originalData;
+        storeData.forEach((v, k) => {
+            this.insertIntoIndex(newIndex, k, v.value, indexProperties);
+        });
+    }
+    deleteRecord(btx, objectStoreName, range) {
+        return __awaiter(this, void 0, void 0, function* () {
+            if (this.enableTracing) {
+                console.log(`TRACING: deleteRecord from store ${objectStoreName}`);
+            }
+            const myConn = this.connectionsByTransaction[btx.transactionCookie];
+            if (!myConn) {
+                throw Error("unknown connection");
+            }
+            const db = this.databases[myConn.dbName];
+            if (!db) {
+                throw Error("db not found");
+            }
+            if (db.txLevel < TransactionLevel.Write) {
+                throw Error("only allowed in write transaction");
+            }
+            if (db.txRestrictObjectStores &&
+                !db.txRestrictObjectStores.includes(objectStoreName)) {
+                throw Error(`Not allowed to access store '${objectStoreName}', transaction is over ${JSON.stringify(db.txRestrictObjectStores)}`);
+            }
+            if (typeof range !== "object") {
+                throw Error("deleteRecord got invalid range (must be object)");
+            }
+            if (!("lowerOpen" in range)) {
+                throw Error("deleteRecord got invalid range (sanity check failed, 'lowerOpen' missing)");
+            }
+            const schema = myConn.modifiedSchema;
+            const objectStoreMapEntry = myConn.objectStoreMap[objectStoreName];
+            if (!objectStoreMapEntry.store.modifiedData) {
+                objectStoreMapEntry.store.modifiedData =
+                    objectStoreMapEntry.store.originalData;
+            }
+            let modifiedData = objectStoreMapEntry.store.modifiedData;
+            let currKey;
+            if (range.lower === undefined || range.lower === null) {
+                currKey = modifiedData.minKey();
+            }
+            else {
+                currKey = range.lower;
+                // We have a range with an lowerOpen lower bound, so don't start
+                // deleting the lower bound.  Instead start with the next higher key.
+                if (range.lowerOpen && currKey !== undefined) {
+                    currKey = modifiedData.nextHigherKey(currKey);
+                }
+            }
+            // make sure that currKey is either undefined or pointing to an
+            // existing object.
+            let firstValue = modifiedData.get(currKey);
+            if (!firstValue) {
+                if (currKey !== undefined) {
+                    currKey = modifiedData.nextHigherKey(currKey);
+                }
+            }
+            // loop invariant: (currKey is undefined) or (currKey is a valid key)
+            while (true) {
+                if (currKey === undefined) {
+                    // nothing more to delete!
+                    break;
+                }
+                if (range.upper !== null && range.upper !== undefined) {
+                    if (range.upperOpen && compareKeys(currKey, range.upper) === 0) {
+                        // We have a range that's upperOpen, so stop before we delete the upper bound.
+                        break;
+                    }
+                    if (!range.upperOpen && compareKeys(currKey, range.upper) > 0) {
+                        // The upper range is inclusive, only stop if we're after the upper range.
+                        break;
+                    }
+                }
+                const storeEntry = modifiedData.get(currKey);
+                if (!storeEntry) {
+                    throw Error("assertion failed");
+                }
+                for (const indexName of Object.keys(schema.objectStores[objectStoreName].indexes)) {
+                    const index = myConn.objectStoreMap[objectStoreName].indexMap[indexName];
+                    if (!index) {
+                        throw Error("index referenced by object store does not exist");
+                    }
+                    this.enableTracing &&
+                        console.log(`deleting from index ${indexName} for object store ${objectStoreName}`);
+                    const indexProperties = schema.objectStores[objectStoreName].indexes[indexName];
+                    this.deleteFromIndex(index, storeEntry.primaryKey, storeEntry.value, indexProperties);
+                }
+                modifiedData = modifiedData.without(currKey);
+                currKey = modifiedData.nextHigherKey(currKey);
+            }
+            objectStoreMapEntry.store.modifiedData = modifiedData;
+        });
+    }
+    deleteFromIndex(index, primaryKey, value, indexProperties) {
+        if (this.enableTracing) {
+            console.log(`deleteFromIndex(${index.modifiedName || index.originalName})`);
+        }
+        if (value === undefined || value === null) {
+            throw Error("cannot delete null/undefined value from index");
+        }
+        let indexData = index.modifiedData || index.originalData;
+        const indexKeys = getIndexKeys(value, indexProperties.keyPath, indexProperties.multiEntry);
+        for (const indexKey of indexKeys) {
+            const existingRecord = indexData.get(indexKey);
+            if (!existingRecord) {
+                throw Error("db inconsistent: expected index entry missing");
+            }
+            const newPrimaryKeys = existingRecord.primaryKeys.filter((x) => compareKeys(x, primaryKey) !== 0);
+            if (newPrimaryKeys.length === 0) {
+                index.modifiedData = indexData.without(indexKey);
+            }
+            else {
+                const newIndexRecord = {
+                    indexKey,
+                    primaryKeys: newPrimaryKeys,
+                };
+                index.modifiedData = indexData.with(indexKey, newIndexRecord, true);
+            }
+        }
+    }
+    getRecords(btx, req) {
+        return __awaiter(this, void 0, void 0, function* () {
+            if (this.enableTracing) {
+                console.log(`TRACING: getRecords`);
+                console.log("query", req);
+            }
+            const myConn = this.connectionsByTransaction[btx.transactionCookie];
+            if (!myConn) {
+                throw Error("unknown connection");
+            }
+            const db = this.databases[myConn.dbName];
+            if (!db) {
+                throw Error("db not found");
+            }
+            if (db.txLevel < TransactionLevel.Read) {
+                throw Error("only allowed while running a transaction");
+            }
+            if (db.txRestrictObjectStores &&
+                !db.txRestrictObjectStores.includes(req.objectStoreName)) {
+                throw Error(`Not allowed to access store '${req.objectStoreName}', transaction is over ${JSON.stringify(db.txRestrictObjectStores)}`);
+            }
+            const objectStoreMapEntry = myConn.objectStoreMap[req.objectStoreName];
+            if (!objectStoreMapEntry) {
+                throw Error("object store not found");
+            }
+            let range;
+            if (req.range == null || req.range === undefined) {
+                range = new BridgeIDBKeyRange(undefined, undefined, true, true);
+            }
+            else {
+                range = req.range;
+            }
+            if (typeof range !== "object") {
+                throw Error("getRecords was given an invalid range (sanity check failed, not an object)");
+            }
+            if (!("lowerOpen" in range)) {
+                throw Error("getRecords was given an invalid range (sanity check failed, lowerOpen missing)");
+            }
+            let numResults = 0;
+            let indexKeys = [];
+            let primaryKeys = [];
+            let values = [];
+            const forward = req.direction === "next" || req.direction === "nextunique";
+            const unique = req.direction === "prevunique" || req.direction === "nextunique";
+            const storeData = objectStoreMapEntry.store.modifiedData ||
+                objectStoreMapEntry.store.originalData;
+            const haveIndex = req.indexName !== undefined;
+            if (haveIndex) {
+                const index = myConn.objectStoreMap[req.objectStoreName].indexMap[req.indexName];
+                const indexData = index.modifiedData || index.originalData;
+                let indexPos = req.lastIndexPosition;
+                if (indexPos === undefined) {
+                    // First time we iterate!  So start at the beginning (lower/upper)
+                    // of our allowed range.
+                    indexPos = forward ? range.lower : range.upper;
+                }
+                let primaryPos = req.lastObjectStorePosition;
+                // We might have to advance the index key further!
+                if (req.advanceIndexKey !== undefined) {
+                    const compareResult = compareKeys(req.advanceIndexKey, indexPos);
+                    if ((forward && compareResult > 0) || (!forward && compareResult > 0)) {
+                        indexPos = req.advanceIndexKey;
+                    }
+                    else if (compareResult == 0 && req.advancePrimaryKey !== undefined) {
+                        // index keys are the same, so advance the primary key
+                        if (primaryPos === undefined) {
+                            primaryPos = req.advancePrimaryKey;
+                        }
+                        else {
+                            const primCompareResult = compareKeys(req.advancePrimaryKey, primaryPos);
+                            if ((forward && primCompareResult > 0) ||
+                                (!forward && primCompareResult < 0)) {
+                                primaryPos = req.advancePrimaryKey;
+                            }
+                        }
+                    }
+                }
+                if (indexPos === undefined || indexPos === null) {
+                    indexPos = forward ? indexData.minKey() : indexData.maxKey();
+                }
+                let indexEntry;
+                indexEntry = indexData.get(indexPos);
+                if (!indexEntry) {
+                    const res = indexData.nextHigherPair(indexPos);
+                    if (res) {
+                        indexEntry = res[1];
+                        indexPos = indexEntry.indexKey;
+                    }
+                }
+                let primkeySubPos = 0;
+                // Sort out the case where the index key is the same, so we have
+                // to get the prev/next primary key
+                if (indexEntry !== undefined &&
+                    req.lastIndexPosition !== undefined &&
+                    compareKeys(indexEntry.indexKey, req.lastIndexPosition) === 0) {
+                    let pos = forward ? 0 : indexEntry.primaryKeys.length - 1;
+                    this.enableTracing &&
+                        console.log("number of primary keys", indexEntry.primaryKeys.length);
+                    this.enableTracing && console.log("start pos is", pos);
+                    // Advance past the lastObjectStorePosition
+                    do {
+                        const cmpResult = compareKeys(req.lastObjectStorePosition, indexEntry.primaryKeys[pos]);
+                        this.enableTracing && console.log("cmp result is", cmpResult);
+                        if ((forward && cmpResult < 0) || (!forward && cmpResult > 0)) {
+                            break;
+                        }
+                        pos += forward ? 1 : -1;
+                        this.enableTracing && console.log("now pos is", pos);
+                    } while (pos >= 0 && pos < indexEntry.primaryKeys.length);
+                    // Make sure we're at least at advancedPrimaryPos
+                    while (primaryPos !== undefined &&
+                        pos >= 0 &&
+                        pos < indexEntry.primaryKeys.length) {
+                        const cmpResult = compareKeys(primaryPos, indexEntry.primaryKeys[pos]);
+                        if ((forward && cmpResult <= 0) || (!forward && cmpResult >= 0)) {
+                            break;
+                        }
+                        pos += forward ? 1 : -1;
+                    }
+                    primkeySubPos = pos;
+                }
+                else if (indexEntry !== undefined) {
+                    primkeySubPos = forward ? 0 : indexEntry.primaryKeys.length - 1;
+                }
+                if (this.enableTracing) {
+                    console.log("subPos=", primkeySubPos);
+                    console.log("indexPos=", indexPos);
+                }
+                while (1) {
+                    if (req.limit != 0 && numResults == req.limit) {
+                        break;
+                    }
+                    if (indexPos === undefined) {
+                        break;
+                    }
+                    if (!range.includes(indexPos)) {
+                        break;
+                    }
+                    if (indexEntry === undefined) {
+                        break;
+                    }
+                    if (primkeySubPos < 0 ||
+                        primkeySubPos >= indexEntry.primaryKeys.length) {
+                        const res = forward
+                            ? indexData.nextHigherPair(indexPos)
+                            : indexData.nextLowerPair(indexPos);
+                        if (res) {
+                            indexPos = res[1].indexKey;
+                            indexEntry = res[1];
+                            primkeySubPos = forward ? 0 : indexEntry.primaryKeys.length - 1;
+                            continue;
+                        }
+                        else {
+                            break;
+                        }
+                    }
+                    // Skip repeated index keys if unique results are requested.
+                    let skip = false;
+                    if (unique) {
+                        if (indexKeys.length > 0 &&
+                            compareKeys(indexEntry.indexKey, indexKeys[indexKeys.length - 1]) === 0) {
+                            skip = true;
+                        }
+                        if (req.lastIndexPosition !== undefined &&
+                            compareKeys(indexPos, req.lastIndexPosition) === 0) {
+                            skip = true;
+                        }
+                    }
+                    if (!skip) {
+                        if (this.enableTracing) {
+                            console.log(`not skipping!, subPos=${primkeySubPos}`);
+                        }
+                        indexKeys.push(indexEntry.indexKey);
+                        primaryKeys.push(indexEntry.primaryKeys[primkeySubPos]);
+                        numResults++;
+                    }
+                    else {
+                        if (this.enableTracing) {
+                            console.log("skipping!");
+                        }
+                    }
+                    primkeySubPos += forward ? 1 : -1;
+                }
+                // Now we can collect the values based on the primary keys,
+                // if requested.
+                if (req.resultLevel === ResultLevel.Full) {
+                    for (let i = 0; i < numResults; i++) {
+                        const result = storeData.get(primaryKeys[i]);
+                        if (!result) {
+                            console.error("invariant violated during read");
+                            console.error("request was", req);
+                            throw Error("invariant violated during read");
+                        }
+                        values.push(structuredClone(result.value));
+                    }
+                }
+            }
+            else {
+                // only based on object store, no index involved, phew!
+                let storePos = req.lastObjectStorePosition;
+                if (storePos === undefined) {
+                    storePos = forward ? range.lower : range.upper;
+                }
+                if (req.advanceIndexKey !== undefined) {
+                    throw Error("unsupported request");
+                }
+                storePos = furthestKey(forward, req.advancePrimaryKey, storePos);
+                if (storePos !== null && storePos !== undefined) {
+                    // Advance store position if we are either still at the last returned
+                    // store key, or if we are currently not on a key.
+                    const storeEntry = storeData.get(storePos);
+                    if (this.enableTracing) {
+                        console.log("store entry:", storeEntry);
+                    }
+                    if (!storeEntry ||
+                        (req.lastObjectStorePosition !== undefined &&
+                            compareKeys(req.lastObjectStorePosition, storePos) === 0)) {
+                        storePos = storeData.nextHigherKey(storePos);
+                    }
+                }
+                else {
+                    storePos = forward ? storeData.minKey() : storeData.maxKey();
+                    if (this.enableTracing) {
+                        console.log("setting starting store pos to", storePos);
+                    }
+                }
+                while (1) {
+                    if (req.limit != 0 && numResults == req.limit) {
+                        break;
+                    }
+                    if (storePos === null || storePos === undefined) {
+                        break;
+                    }
+                    if (!range.includes(storePos)) {
+                        break;
+                    }
+                    const res = storeData.get(storePos);
+                    if (res === undefined) {
+                        break;
+                    }
+                    if (req.resultLevel >= ResultLevel.OnlyKeys) {
+                        primaryKeys.push(structuredClone(storePos));
+                    }
+                    if (req.resultLevel >= ResultLevel.Full) {
+                        values.push(structuredClone(res.value));
+                    }
+                    numResults++;
+                    storePos = nextStoreKey(forward, storeData, storePos);
+                }
+            }
+            if (this.enableTracing) {
+                console.log(`TRACING: getRecords got ${numResults} results`);
+            }
+            return {
+                count: numResults,
+                indexKeys: req.resultLevel >= ResultLevel.OnlyKeys && haveIndex
+                    ? indexKeys
+                    : undefined,
+                primaryKeys: req.resultLevel >= ResultLevel.OnlyKeys ? primaryKeys : undefined,
+                values: req.resultLevel >= ResultLevel.Full ? values : undefined,
+            };
+        });
+    }
+    storeRecord(btx, storeReq) {
+        return __awaiter(this, void 0, void 0, function* () {
+            if (this.enableTracing) {
+                console.log(`TRACING: storeRecord`);
+            }
+            const myConn = this.connectionsByTransaction[btx.transactionCookie];
+            if (!myConn) {
+                throw Error("unknown connection");
+            }
+            const db = this.databases[myConn.dbName];
+            if (!db) {
+                throw Error("db not found");
+            }
+            if (db.txLevel < TransactionLevel.Write) {
+                throw Error("only allowed while running a transaction");
+            }
+            if (db.txRestrictObjectStores &&
+                !db.txRestrictObjectStores.includes(storeReq.objectStoreName)) {
+                throw Error(`Not allowed to access store '${storeReq.objectStoreName}', transaction is over ${JSON.stringify(db.txRestrictObjectStores)}`);
+            }
+            const schema = myConn.modifiedSchema;
+            const objectStoreMapEntry = myConn.objectStoreMap[storeReq.objectStoreName];
+            if (!objectStoreMapEntry.store.modifiedData) {
+                objectStoreMapEntry.store.modifiedData =
+                    objectStoreMapEntry.store.originalData;
+            }
+            const modifiedData = objectStoreMapEntry.store.modifiedData;
+            let key;
+            let value;
+            if (storeReq.storeLevel === StoreLevel.UpdateExisting) {
+                if (storeReq.key === null || storeReq.key === undefined) {
+                    throw Error("invalid update request (key not given)");
+                }
+                if (!objectStoreMapEntry.store.modifiedData.has(storeReq.key)) {
+                    throw Error("invalid update request (record does not exist)");
+                }
+                key = storeReq.key;
+                value = storeReq.value;
+            }
+            else {
+                const keygen = objectStoreMapEntry.store.modifiedKeyGenerator ||
+                    objectStoreMapEntry.store.originalKeyGenerator;
+                const autoIncrement = schema.objectStores[storeReq.objectStoreName].autoIncrement;
+                const keyPath = schema.objectStores[storeReq.objectStoreName].keyPath;
+                let storeKeyResult;
+                try {
+                    storeKeyResult = makeStoreKeyValue(storeReq.value, storeReq.key, keygen, autoIncrement, keyPath);
+                }
+                catch (e) {
+                    if (e instanceof DataError) {
+                        const kp = JSON.stringify(keyPath);
+                        const n = storeReq.objectStoreName;
+                        const m = `Could not extract key from value, objectStore=${n}, keyPath=${kp}`;
+                        if (this.enableTracing) {
+                            console.error(e);
+                            console.error("value was:", storeReq.value);
+                            console.error("key was:", storeReq.key);
+                        }
+                        throw new DataError(m);
+                    }
+                    else {
+                        throw e;
+                    }
+                }
+                key = storeKeyResult.key;
+                value = storeKeyResult.value;
+                objectStoreMapEntry.store.modifiedKeyGenerator =
+                    storeKeyResult.updatedKeyGenerator;
+                const hasKey = modifiedData.has(key);
+                if (hasKey && storeReq.storeLevel !== StoreLevel.AllowOverwrite) {
+                    throw Error("refusing to overwrite");
+                }
+            }
+            const objectStoreRecord = {
+                primaryKey: structuredClone(key),
+                value: structuredClone(value),
+            };
+            objectStoreMapEntry.store.modifiedData = modifiedData.with(key, objectStoreRecord, true);
+            for (const indexName of Object.keys(schema.objectStores[storeReq.objectStoreName].indexes)) {
+                const index = myConn.objectStoreMap[storeReq.objectStoreName].indexMap[indexName];
+                if (!index) {
+                    throw Error("index referenced by object store does not exist");
+                }
+                const indexProperties = schema.objectStores[storeReq.objectStoreName].indexes[indexName];
+                this.insertIntoIndex(index, key, value, indexProperties);
+            }
+            return { key };
+        });
+    }
+    insertIntoIndex(index, primaryKey, value, indexProperties) {
+        if (this.enableTracing) {
+            console.log(`insertIntoIndex(${index.modifiedName || index.originalName})`);
+        }
+        let indexData = index.modifiedData || index.originalData;
+        let indexKeys;
+        try {
+            indexKeys = getIndexKeys(value, indexProperties.keyPath, indexProperties.multiEntry);
+        }
+        catch (e) {
+            if (e instanceof DataError) {
+                const n = index.modifiedName || index.originalName;
+                const p = JSON.stringify(indexProperties.keyPath);
+                const m = `Failed to extract index keys from index ${n} for keyPath ${p}.`;
+                if (this.enableTracing) {
+                    console.error(m);
+                    console.error("value was", value);
+                }
+                throw new DataError(m);
+            }
+            else {
+                throw e;
+            }
+        }
+        for (const indexKey of indexKeys) {
+            const existingRecord = indexData.get(indexKey);
+            if (existingRecord) {
+                if (indexProperties.unique) {
+                    throw new ConstraintError();
+                }
+                else {
+                    const pred = (x) => compareKeys(x, primaryKey) === 0;
+                    if (existingRecord.primaryKeys.findIndex(pred) === -1) {
+                        const newIndexRecord = {
+                            indexKey: indexKey,
+                            primaryKeys: [...existingRecord.primaryKeys, primaryKey].sort(compareKeys),
+                        };
+                        index.modifiedData = indexData.with(indexKey, newIndexRecord, true);
+                    }
+                }
+            }
+            else {
+                const newIndexRecord = {
+                    indexKey: indexKey,
+                    primaryKeys: [primaryKey],
+                };
+                index.modifiedData = indexData.with(indexKey, newIndexRecord, true);
+            }
+        }
+    }
+    rollback(btx) {
+        return __awaiter(this, void 0, void 0, function* () {
+            if (this.enableTracing) {
+                console.log(`TRACING: rollback`);
+            }
+            const myConn = this.connectionsByTransaction[btx.transactionCookie];
+            if (!myConn) {
+                throw Error("unknown connection");
+            }
+            const db = this.databases[myConn.dbName];
+            if (!db) {
+                throw Error("db not found");
+            }
+            if (db.txLevel < TransactionLevel.Read) {
+                throw Error("only allowed while running a transaction");
+            }
+            db.txLevel = TransactionLevel.Connected;
+            db.txRestrictObjectStores = undefined;
+            myConn.modifiedSchema = structuredClone(db.committedSchema);
+            myConn.objectStoreMap = this.makeObjectStoreMap(db);
+            for (const objectStoreName in db.committedObjectStores) {
+                const objectStore = db.committedObjectStores[objectStoreName];
+                objectStore.deleted = false;
+                objectStore.modifiedData = undefined;
+                objectStore.modifiedName = undefined;
+                objectStore.modifiedKeyGenerator = undefined;
+                objectStore.modifiedIndexes = {};
+                for (const indexName of Object.keys(db.committedSchema.objectStores[objectStoreName].indexes)) {
+                    const index = objectStore.committedIndexes[indexName];
+                    index.deleted = false;
+                    index.modifiedData = undefined;
+                    index.modifiedName = undefined;
+                }
+            }
+            delete this.connectionsByTransaction[btx.transactionCookie];
+            this.transactionDoneCond.trigger();
+        });
+    }
+    commit(btx) {
+        return __awaiter(this, void 0, void 0, function* () {
+            if (this.enableTracing) {
+                console.log(`TRACING: commit`);
+            }
+            const myConn = this.connectionsByTransaction[btx.transactionCookie];
+            if (!myConn) {
+                throw Error("unknown connection");
+            }
+            const db = this.databases[myConn.dbName];
+            if (!db) {
+                throw Error("db not found");
+            }
+            const txLevel = db.txLevel;
+            if (txLevel < TransactionLevel.Read) {
+                throw Error("only allowed while running a transaction");
+            }
+            db.committedSchema = structuredClone(myConn.modifiedSchema);
+            db.txLevel = TransactionLevel.Connected;
+            db.txRestrictObjectStores = undefined;
+            db.committedObjectStores = {};
+            db.committedObjectStores = {};
+            for (const objectStoreName in myConn.objectStoreMap) {
+                const objectStoreMapEntry = myConn.objectStoreMap[objectStoreName];
+                const store = objectStoreMapEntry.store;
+                store.deleted = false;
+                store.originalData = store.modifiedData || store.originalData;
+                store.originalName = store.modifiedName || store.originalName;
+                store.modifiedIndexes = {};
+                if (store.modifiedKeyGenerator !== undefined) {
+                    store.originalKeyGenerator = store.modifiedKeyGenerator;
+                }
+                db.committedObjectStores[objectStoreName] = store;
+                for (const indexName in objectStoreMapEntry.indexMap) {
+                    const index = objectStoreMapEntry.indexMap[indexName];
+                    index.deleted = false;
+                    index.originalData = index.modifiedData || index.originalData;
+                    index.originalName = index.modifiedName || index.originalName;
+                    store.committedIndexes[indexName] = index;
+                }
+            }
+            myConn.objectStoreMap = this.makeObjectStoreMap(db);
+            delete this.connectionsByTransaction[btx.transactionCookie];
+            this.transactionDoneCond.trigger();
+            if (this.afterCommitCallback && txLevel >= TransactionLevel.Write) {
+                yield this.afterCommitCallback();
+            }
+        });
+    }
+}
+
+// globalThis polyfill, see https://mathiasbynens.be/notes/globalthis
+(function () {
+    if (typeof globalThis === "object")
+        return;
+    Object.defineProperty(Object.prototype, "__magic__", {
+        get: function () {
+            return this;
+        },
+        configurable: true,
+    });
+    // @ts-ignore: polyfill magic
+    __magic__.globalThis = __magic__; // lolwat
+    // @ts-ignore: polyfill magic
+    delete Object.prototype.__magic__;
+})();
+/**
+ * Populate the global name space such that the given IndexedDB factory is made
+ * available globally.
+ *
+ * @public
+ */
+function shimIndexedDB(factory) {
+    // @ts-ignore: shimming
+    globalThis.indexedDB = factory;
+    // @ts-ignore: shimming
+    globalThis.IDBCursor = BridgeIDBCursor;
+    // @ts-ignore: shimming
+    globalThis.IDBKeyRange = BridgeIDBKeyRange;
+    // @ts-ignore: shimming
+    globalThis.IDBDatabase = BridgeIDBDatabase;
+    // @ts-ignore: shimming
+    globalThis.IDBFactory = BridgeIDBFactory;
+    // @ts-ignore: shimming
+    globalThis.IDBIndex = BridgeIDBIndex;
+    // @ts-ignore: shimming
+    globalThis.IDBKeyRange = BridgeIDBKeyRange;
+    // @ts-ignore: shimming
+    globalThis.IDBObjectStore = BridgeIDBObjectStore;
+    // @ts-ignore: shimming
+    globalThis.IDBOpenDBRequest = BridgeIDBOpenDBRequest;
+    // @ts-ignore: shimming
+    globalThis.IDBRequest = BridgeIDBRequest;
+    // @ts-ignore: shimming
+    globalThis.IDBTransaction = BridgeIDBTransaction;
+    // @ts-ignore: shimming
+    globalThis.IDBVersionChangeEvent = BridgeIDBVersionChangeEvent;
+}
+
+/**
+ * Name of the Taler database.  This is effectively the major
+ * version of the DB schema. Whenever it changes, custom import logic
+ * for all previous versions must be written, which should be
+ * avoided.
+ */
+const TALER_DB_NAME = "taler-wallet-main-v2";
+const TALER_META_DB_NAME = "taler-wallet-meta";
+const CURRENT_DB_CONFIG_KEY = "currentMainDbName";
+/**
+ * Current database minor version, should be incremented
+ * each time we do minor schema changes on the database.
+ * A change is considered minor when fields are added in a
+ * backwards-compatible way or object stores and indices
+ * are added.
+ */
+const WALLET_DB_MINOR_VERSION = 1;
+const logger$j = new Logger("db.ts");
+function upgradeFromStoreMap(storeMap, db, oldVersion, newVersion, upgradeTransaction) {
+    var _a, _b, _c, _d;
+    if (oldVersion === 0) {
+        for (const n in storeMap) {
+            if (storeMap[n] instanceof Store) {
+                const si = storeMap[n];
+                const s = db.createObjectStore(si.name, si.storeParams);
+                for (const indexName in si) {
+                    if (si[indexName] instanceof Index) {
+                        const ii = si[indexName];
+                        s.createIndex(ii.indexName, ii.keyPath, ii.options);
+                    }
+                }
+            }
+        }
+        return;
+    }
+    if (oldVersion === newVersion) {
+        return;
+    }
+    logger$j.info(`upgrading database from ${oldVersion} to ${newVersion}`);
+    for (const n in Stores) {
+        if (Stores[n] instanceof Store) {
+            const si = Stores[n];
+            let s;
+            const storeVersionAdded = (_b = (_a = si.storeParams) === null || _a === void 0 ? void 0 : _a.versionAdded) !== null && _b !== void 0 ? _b : 1;
+            if (storeVersionAdded > oldVersion) {
+                s = db.createObjectStore(si.name, si.storeParams);
+            }
+            else {
+                s = upgradeTransaction.objectStore(si.name);
+            }
+            for (const indexName in si) {
+                if (si[indexName] instanceof Index) {
+                    const ii = si[indexName];
+                    const indexVersionAdded = (_d = (_c = ii.options) === null || _c === void 0 ? void 0 : _c.versionAdded) !== null && _d !== void 0 ? _d : 0;
+                    if (indexVersionAdded > oldVersion ||
+                        storeVersionAdded > oldVersion) {
+                        s.createIndex(ii.indexName, ii.keyPath, ii.options);
+                    }
+                }
+            }
+        }
+    }
+}
+function onTalerDbUpgradeNeeded(db, oldVersion, newVersion, upgradeTransaction) {
+    upgradeFromStoreMap(Stores, db, oldVersion, newVersion, upgradeTransaction);
+}
+function onMetaDbUpgradeNeeded(db, oldVersion, newVersion, upgradeTransaction) {
+    upgradeFromStoreMap(MetaStores, db, oldVersion, newVersion, upgradeTransaction);
+}
+/**
+ * Return a promise that resolves
+ * to the taler wallet db.
+ */
+function openTalerDatabase(idbFactory, onVersionChange) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const metaDbHandle = yield openDatabase(idbFactory, TALER_META_DB_NAME, 1, () => { }, onMetaDbUpgradeNeeded);
+        const metaDb = new Database(metaDbHandle, MetaStores);
+        let currentMainVersion;
+        yield metaDb.runWithWriteTransaction([MetaStores.metaConfig], (tx) => __awaiter(this, void 0, void 0, function* () {
+            const dbVersionRecord = yield tx.get(MetaStores.metaConfig, CURRENT_DB_CONFIG_KEY);
+            if (!dbVersionRecord) {
+                currentMainVersion = TALER_DB_NAME;
+                yield tx.put(MetaStores.metaConfig, {
+                    key: CURRENT_DB_CONFIG_KEY,
+                    value: TALER_DB_NAME,
+                });
+            }
+            else {
+                currentMainVersion = dbVersionRecord.value;
+            }
+        }));
+        if (currentMainVersion !== TALER_DB_NAME) {
+            // In the future, the migration logic will be implemented here.
+            throw Error(`migration from database ${currentMainVersion} not supported`);
+        }
+        const mainDbHandle = yield openDatabase(idbFactory, TALER_DB_NAME, WALLET_DB_MINOR_VERSION, onVersionChange, onTalerDbUpgradeNeeded);
+        return new Database(mainDbHandle, Stores);
+    });
+}
+
+/*
+ This file is part of GNU Taler
+ (C) 2019-2020 Taler Systems SA
+
+ TALER is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+var SignaturePurpose;
+(function (SignaturePurpose) {
+    SignaturePurpose[SignaturePurpose["MERCHANT_TRACK_TRANSACTION"] = 1103] = "MERCHANT_TRACK_TRANSACTION";
+    SignaturePurpose[SignaturePurpose["WALLET_RESERVE_WITHDRAW"] = 1200] = "WALLET_RESERVE_WITHDRAW";
+    SignaturePurpose[SignaturePurpose["WALLET_COIN_DEPOSIT"] = 1201] = "WALLET_COIN_DEPOSIT";
+    SignaturePurpose[SignaturePurpose["MASTER_DENOMINATION_KEY_VALIDITY"] = 1025] = "MASTER_DENOMINATION_KEY_VALIDITY";
+    SignaturePurpose[SignaturePurpose["MASTER_WIRE_FEES"] = 1028] = "MASTER_WIRE_FEES";
+    SignaturePurpose[SignaturePurpose["MASTER_WIRE_DETAILS"] = 1030] = "MASTER_WIRE_DETAILS";
+    SignaturePurpose[SignaturePurpose["WALLET_COIN_MELT"] = 1202] = "WALLET_COIN_MELT";
+    SignaturePurpose[SignaturePurpose["TEST"] = 4242] = "TEST";
+    SignaturePurpose[SignaturePurpose["MERCHANT_PAYMENT_OK"] = 1104] = "MERCHANT_PAYMENT_OK";
+    SignaturePurpose[SignaturePurpose["MERCHANT_CONTRACT"] = 1101] = "MERCHANT_CONTRACT";
+    SignaturePurpose[SignaturePurpose["WALLET_COIN_RECOUP"] = 1203] = "WALLET_COIN_RECOUP";
+    SignaturePurpose[SignaturePurpose["WALLET_COIN_LINK"] = 1204] = "WALLET_COIN_LINK";
+    SignaturePurpose[SignaturePurpose["EXCHANGE_CONFIRM_RECOUP"] = 1039] = "EXCHANGE_CONFIRM_RECOUP";
+    SignaturePurpose[SignaturePurpose["EXCHANGE_CONFIRM_RECOUP_REFRESH"] = 1041] = "EXCHANGE_CONFIRM_RECOUP_REFRESH";
+    SignaturePurpose[SignaturePurpose["SYNC_BACKUP_UPLOAD"] = 1450] = "SYNC_BACKUP_UPLOAD";
+})(SignaturePurpose || (SignaturePurpose = {}));
+function amountToBuffer(amount) {
+    const buffer = new ArrayBuffer(8 + 4 + 12);
+    const dvbuf = new DataView(buffer);
+    const u8buf = new Uint8Array(buffer);
+    const curr = stringToBytes(amount.currency);
+    dvbuf.setBigUint64(0, BigInt(amount.value));
+    dvbuf.setUint32(8, amount.fraction);
+    u8buf.set(curr, 8 + 4);
+    return u8buf;
+}
+function timestampRoundedToBuffer(ts) {
+    const b = new ArrayBuffer(8);
+    const v = new DataView(b);
+    const tsRounded = timestampTruncateToSecond(ts);
+    const s = BigInt(tsRounded.t_ms) * BigInt(1000);
+    v.setBigUint64(0, s);
+    return new Uint8Array(b);
+}
+class SignaturePurposeBuilder {
+    constructor(purposeNum) {
+        this.purposeNum = purposeNum;
+        this.chunks = [];
+    }
+    put(bytes) {
+        this.chunks.push(Uint8Array.from(bytes));
+        return this;
+    }
+    build() {
+        let payloadLen = 0;
+        for (const c of this.chunks) {
+            payloadLen += c.byteLength;
+        }
+        const buf = new ArrayBuffer(4 + 4 + payloadLen);
+        const u8buf = new Uint8Array(buf);
+        let p = 8;
+        for (const c of this.chunks) {
+            u8buf.set(c, p);
+            p += c.byteLength;
+        }
+        const dvbuf = new DataView(buf);
+        dvbuf.setUint32(0, payloadLen + 4 + 4);
+        dvbuf.setUint32(4, this.purposeNum);
+        return u8buf;
+    }
+}
+function buildSigPS(purposeNum) {
+    return new SignaturePurposeBuilder(purposeNum);
+}
+class CryptoImplementation {
+    /**
+     * Create a pre-coin of the given denomination to be withdrawn from then given
+     * reserve.
+     */
+    createPlanchet(req) {
+        const reservePub = decodeCrock(req.reservePub);
+        const reservePriv = decodeCrock(req.reservePriv);
+        const denomPub = decodeCrock(req.denomPub);
+        const derivedPlanchet = setupWithdrawPlanchet(decodeCrock(req.secretSeed), req.coinIndex);
+        const coinPubHash = hash$1(derivedPlanchet.coinPub);
+        const ev = rsaBlind(coinPubHash, derivedPlanchet.bks, denomPub);
+        const amountWithFee = Amounts.add(req.value, req.feeWithdraw).amount;
+        const denomPubHash = hash$1(denomPub);
+        const evHash = hash$1(ev);
+        const withdrawRequest = buildSigPS(SignaturePurpose.WALLET_RESERVE_WITHDRAW)
+            .put(reservePub)
+            .put(amountToBuffer(amountWithFee))
+            .put(denomPubHash)
+            .put(evHash)
+            .build();
+        const sig = eddsaSign(withdrawRequest, reservePriv);
+        const planchet = {
+            blindingKey: encodeCrock(derivedPlanchet.bks),
+            coinEv: encodeCrock(ev),
+            coinPriv: encodeCrock(derivedPlanchet.coinPriv),
+            coinPub: encodeCrock(derivedPlanchet.coinPub),
+            coinValue: req.value,
+            denomPub: encodeCrock(denomPub),
+            denomPubHash: encodeCrock(denomPubHash),
+            reservePub: encodeCrock(reservePub),
+            withdrawSig: encodeCrock(sig),
+            coinEvHash: encodeCrock(evHash),
+        };
+        return planchet;
+    }
+    /**
+     * Create a planchet used for tipping, including the private keys.
+     */
+    createTipPlanchet(req) {
+        const fc = setupTipPlanchet(decodeCrock(req.secretSeed), req.planchetIndex);
+        const denomPub = decodeCrock(req.denomPub);
+        const coinPubHash = hash$1(fc.coinPub);
+        const ev = rsaBlind(coinPubHash, fc.bks, denomPub);
+        const tipPlanchet = {
+            blindingKey: encodeCrock(fc.bks),
+            coinEv: encodeCrock(ev),
+            coinEvHash: encodeCrock(hash$1(ev)),
+            coinPriv: encodeCrock(fc.coinPriv),
+            coinPub: encodeCrock(fc.coinPub),
+        };
+        return tipPlanchet;
+    }
+    signTrackTransaction(req) {
+        const p = buildSigPS(SignaturePurpose.MERCHANT_TRACK_TRANSACTION)
+            .put(decodeCrock(req.contractTermsHash))
+            .put(decodeCrock(req.wireHash))
+            .put(decodeCrock(req.merchantPub))
+            .put(decodeCrock(req.coinPub))
+            .build();
+        return encodeCrock(eddsaSign(p, decodeCrock(req.merchantPriv)));
+    }
+    /**
+     * Create and sign a message to recoup a coin.
+     */
+    createRecoupRequest(coin) {
+        const p = buildSigPS(SignaturePurpose.WALLET_COIN_RECOUP)
+            .put(decodeCrock(coin.coinPub))
+            .put(decodeCrock(coin.denomPubHash))
+            .put(decodeCrock(coin.blindingKey))
+            .build();
+        const coinPriv = decodeCrock(coin.coinPriv);
+        const coinSig = eddsaSign(p, coinPriv);
+        const paybackRequest = {
+            coin_blind_key_secret: coin.blindingKey,
+            coin_pub: coin.coinPub,
+            coin_sig: encodeCrock(coinSig),
+            denom_pub_hash: coin.denomPubHash,
+            denom_sig: coin.denomSig,
+            refreshed: coin.coinSource.type === CoinSourceType.Refresh,
+        };
+        return paybackRequest;
+    }
+    /**
+     * Check if a payment signature is valid.
+     */
+    isValidPaymentSignature(sig, contractHash, merchantPub) {
+        const p = buildSigPS(SignaturePurpose.MERCHANT_PAYMENT_OK)
+            .put(decodeCrock(contractHash))
+            .build();
+        const sigBytes = decodeCrock(sig);
+        const pubBytes = decodeCrock(merchantPub);
+        return eddsaVerify(p, sigBytes, pubBytes);
+    }
+    /**
+     * Check if a wire fee is correctly signed.
+     */
+    isValidWireFee(type, wf, masterPub) {
+        const p = buildSigPS(SignaturePurpose.MASTER_WIRE_FEES)
+            .put(hash$1(stringToBytes(type + "\0")))
+            .put(timestampRoundedToBuffer(wf.startStamp))
+            .put(timestampRoundedToBuffer(wf.endStamp))
+            .put(amountToBuffer(wf.wireFee))
+            .put(amountToBuffer(wf.closingFee))
+            .build();
+        const sig = decodeCrock(wf.sig);
+        const pub = decodeCrock(masterPub);
+        return eddsaVerify(p, sig, pub);
+    }
+    /**
+     * Check if the signature of a denomination is valid.
+     */
+    isValidDenom(denom, masterPub) {
+        const p = buildSigPS(SignaturePurpose.MASTER_DENOMINATION_KEY_VALIDITY)
+            .put(decodeCrock(masterPub))
+            .put(timestampRoundedToBuffer(denom.stampStart))
+            .put(timestampRoundedToBuffer(denom.stampExpireWithdraw))
+            .put(timestampRoundedToBuffer(denom.stampExpireDeposit))
+            .put(timestampRoundedToBuffer(denom.stampExpireLegal))
+            .put(amountToBuffer(denom.value))
+            .put(amountToBuffer(denom.feeWithdraw))
+            .put(amountToBuffer(denom.feeDeposit))
+            .put(amountToBuffer(denom.feeRefresh))
+            .put(amountToBuffer(denom.feeRefund))
+            .put(decodeCrock(denom.denomPubHash))
+            .build();
+        const sig = decodeCrock(denom.masterSig);
+        const pub = decodeCrock(masterPub);
+        return eddsaVerify(p, sig, pub);
+    }
+    isValidWireAccount(paytoUri, sig, masterPub) {
+        const h = kdf(64, stringToBytes("exchange-wire-signature"), stringToBytes(paytoUri + "\0"), new Uint8Array(0));
+        const p = buildSigPS(SignaturePurpose.MASTER_WIRE_DETAILS).put(h).build();
+        return eddsaVerify(p, decodeCrock(sig), decodeCrock(masterPub));
+    }
+    isValidContractTermsSignature(contractTermsHash, sig, merchantPub) {
+        const cthDec = decodeCrock(contractTermsHash);
+        const p = buildSigPS(SignaturePurpose.MERCHANT_CONTRACT)
+            .put(cthDec)
+            .build();
+        return eddsaVerify(p, decodeCrock(sig), decodeCrock(merchantPub));
+    }
+    /**
+     * Create a new EdDSA key pair.
+     */
+    createEddsaKeypair() {
+        const pair = createEddsaKeyPair();
+        return {
+            priv: encodeCrock(pair.eddsaPriv),
+            pub: encodeCrock(pair.eddsaPub),
+        };
+    }
+    /**
+     * Unblind a blindly signed value.
+     */
+    rsaUnblind(blindedSig, bk, pk) {
+        const denomSig = rsaUnblind(decodeCrock(blindedSig), decodeCrock(pk), decodeCrock(bk));
+        return encodeCrock(denomSig);
+    }
+    /**
+     * Unblind a blindly signed value.
+     */
+    rsaVerify(hm, sig, pk) {
+        return rsaVerify(hash$1(decodeCrock(hm)), decodeCrock(sig), decodeCrock(pk));
+    }
+    /**
+     * Generate updated coins (to store in the database)
+     * and deposit permissions for each given coin.
+     */
+    signDepositPermission(depositInfo) {
+        const d = buildSigPS(SignaturePurpose.WALLET_COIN_DEPOSIT)
+            .put(decodeCrock(depositInfo.contractTermsHash))
+            .put(decodeCrock(depositInfo.wireInfoHash))
+            .put(decodeCrock(depositInfo.denomPubHash))
+            .put(timestampRoundedToBuffer(depositInfo.timestamp))
+            .put(timestampRoundedToBuffer(depositInfo.refundDeadline))
+            .put(amountToBuffer(depositInfo.spendAmount))
+            .put(amountToBuffer(depositInfo.feeDeposit))
+            .put(decodeCrock(depositInfo.merchantPub))
+            .put(decodeCrock(depositInfo.coinPub))
+            .build();
+        const coinSig = eddsaSign(d, decodeCrock(depositInfo.coinPriv));
+        const s = {
+            coin_pub: depositInfo.coinPub,
+            coin_sig: encodeCrock(coinSig),
+            contribution: Amounts.stringify(depositInfo.spendAmount),
+            h_denom: depositInfo.denomPubHash,
+            exchange_url: depositInfo.exchangeBaseUrl,
+            ub_sig: depositInfo.denomSig,
+        };
+        return s;
+    }
+    deriveRefreshSession(req) {
+        const { newCoinDenoms, feeRefresh: meltFee, kappa, meltCoinDenomPubHash, meltCoinPriv, meltCoinPub, sessionSecretSeed: refreshSessionSecretSeed, } = req;
+        const currency = newCoinDenoms[0].value.currency;
+        let valueWithFee = Amounts.getZero(currency);
+        for (const ncd of newCoinDenoms) {
+            const t = Amounts.add(ncd.value, ncd.feeWithdraw).amount;
+            valueWithFee = Amounts.add(valueWithFee, Amounts.mult(t, ncd.count).amount).amount;
+        }
+        // melt fee
+        valueWithFee = Amounts.add(valueWithFee, meltFee).amount;
+        const sessionHc = createHashContext();
+        const transferPubs = [];
+        const transferPrivs = [];
+        const planchetsForGammas = [];
+        for (let i = 0; i < kappa; i++) {
+            const transferKeyPair = setupRefreshTransferPub(decodeCrock(refreshSessionSecretSeed), i);
+            sessionHc.update(transferKeyPair.ecdhePub);
+            transferPrivs.push(encodeCrock(transferKeyPair.ecdhePriv));
+            transferPubs.push(encodeCrock(transferKeyPair.ecdhePub));
+        }
+        for (const denomSel of newCoinDenoms) {
+            for (let i = 0; i < denomSel.count; i++) {
+                const r = decodeCrock(denomSel.denomPub);
+                sessionHc.update(r);
+            }
+        }
+        sessionHc.update(decodeCrock(meltCoinPub));
+        sessionHc.update(amountToBuffer(valueWithFee));
+        for (let i = 0; i < kappa; i++) {
+            const planchets = [];
+            for (let j = 0; j < newCoinDenoms.length; j++) {
+                const denomSel = newCoinDenoms[j];
+                for (let k = 0; k < denomSel.count; k++) {
+                    const coinNumber = planchets.length;
+                    const transferPriv = decodeCrock(transferPrivs[i]);
+                    const oldCoinPub = decodeCrock(meltCoinPub);
+                    const transferSecret = keyExchangeEcdheEddsa(transferPriv, oldCoinPub);
+                    const fresh = setupRefreshPlanchet(transferSecret, coinNumber);
+                    const coinPriv = fresh.coinPriv;
+                    const coinPub = fresh.coinPub;
+                    const blindingFactor = fresh.bks;
+                    const pubHash = hash$1(coinPub);
+                    const denomPub = decodeCrock(denomSel.denomPub);
+                    const ev = rsaBlind(pubHash, blindingFactor, denomPub);
+                    const planchet = {
+                        blindingKey: encodeCrock(blindingFactor),
+                        coinEv: encodeCrock(ev),
+                        privateKey: encodeCrock(coinPriv),
+                        publicKey: encodeCrock(coinPub),
+                        coinEvHash: encodeCrock(hash$1(ev)),
+                    };
+                    planchets.push(planchet);
+                    sessionHc.update(ev);
+                }
+            }
+            planchetsForGammas.push(planchets);
+        }
+        const sessionHash = sessionHc.finish();
+        const confirmData = buildSigPS(SignaturePurpose.WALLET_COIN_MELT)
+            .put(sessionHash)
+            .put(decodeCrock(meltCoinDenomPubHash))
+            .put(amountToBuffer(valueWithFee))
+            .put(amountToBuffer(meltFee))
+            .put(decodeCrock(meltCoinPub))
+            .build();
+        const confirmSig = eddsaSign(confirmData, decodeCrock(meltCoinPriv));
+        const refreshSession = {
+            confirmSig: encodeCrock(confirmSig),
+            hash: encodeCrock(sessionHash),
+            meltCoinPub: meltCoinPub,
+            planchetsForGammas: planchetsForGammas,
+            transferPrivs,
+            transferPubs,
+            meltValueWithFee: valueWithFee,
+        };
+        return refreshSession;
+    }
+    /**
+     * Hash a string including the zero terminator.
+     */
+    hashString(str) {
+        const b = stringToBytes(str + "\0");
+        return encodeCrock(hash$1(b));
+    }
+    /**
+     * Hash a crockford encoded value.
+     */
+    hashEncoded(encodedBytes) {
+        return encodeCrock(hash$1(decodeCrock(encodedBytes)));
+    }
+    signCoinLink(oldCoinPriv, newDenomHash, oldCoinPub, transferPub, coinEv) {
+        const coinEvHash = hash$1(decodeCrock(coinEv));
+        const coinLink = buildSigPS(SignaturePurpose.WALLET_COIN_LINK)
+            .put(decodeCrock(newDenomHash))
+            .put(decodeCrock(transferPub))
+            .put(coinEvHash)
+            .build();
+        const coinPriv = decodeCrock(oldCoinPriv);
+        const sig = eddsaSign(coinLink, coinPriv);
+        return encodeCrock(sig);
+    }
+    benchmark(repetitions) {
+        let time_hash = 0;
+        for (let i = 0; i < repetitions; i++) {
+            const start = performanceNow();
+            this.hashString("hello world");
+            time_hash += performanceNow() - start;
+        }
+        let time_hash_big = 0;
+        for (let i = 0; i < repetitions; i++) {
+            const ba = randomBytes(4096);
+            const start = performanceNow();
+            hash$1(ba);
+            time_hash_big += performanceNow() - start;
+        }
+        let time_eddsa_create = 0;
+        for (let i = 0; i < repetitions; i++) {
+            const start = performanceNow();
+            createEddsaKeyPair();
+            time_eddsa_create += performanceNow() - start;
+        }
+        let time_eddsa_sign = 0;
+        const p = randomBytes(4096);
+        const pair = createEddsaKeyPair();
+        for (let i = 0; i < repetitions; i++) {
+            const start = performanceNow();
+            eddsaSign(p, pair.eddsaPriv);
+            time_eddsa_sign += performanceNow() - start;
+        }
+        const sig = eddsaSign(p, pair.eddsaPriv);
+        let time_eddsa_verify = 0;
+        for (let i = 0; i < repetitions; i++) {
+            const start = performanceNow();
+            eddsaVerify(p, sig, pair.eddsaPub);
+            time_eddsa_verify += performanceNow() - start;
+        }
+        return {
+            repetitions,
+            time: {
+                hash_small: time_hash,
+                hash_big: time_hash_big,
+                eddsa_create: time_eddsa_create,
+                eddsa_sign: time_eddsa_sign,
+                eddsa_verify: time_eddsa_verify,
+            },
+        };
+    }
+    makeSyncSignature(req) {
+        const hNew = decodeCrock(req.newHash);
+        let hOld;
+        if (req.oldHash) {
+            hOld = decodeCrock(req.oldHash);
+        }
+        else {
+            hOld = new Uint8Array(64);
+        }
+        const sigBlob = new SignaturePurposeBuilder(SignaturePurpose.SYNC_BACKUP_UPLOAD)
+            .put(hOld)
+            .put(hNew)
+            .build();
+        const uploadSig = eddsaSign(sigBlob, decodeCrock(req.accountPriv));
+        return encodeCrock(uploadSig);
+    }
+}
+CryptoImplementation.enableTracing = false;
+
+/*
+ This file is part of TALER
+ (C) 2016 GNUnet e.V.
+
+ TALER is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+const logger$k = new Logger("nodeThreadWorker.ts");
+const f = __filename;
+const workerCode = `
+  // Try loading the glue library for Android
+  try {
+    require("akono");
+  } catch (e) {
+    // Probably we're not on Android ...
+  }
+  const worker_threads = require('worker_threads');
+  const parentPort = worker_threads.parentPort;
+  let tw;
+  try {
+    tw = require("${f}");
+  } catch (e) {
+    console.warn("could not load from ${f}");
+  }
+  if (!tw) {
+    try {
+      tw = require("@gnu-taler/taler-wallet-android");
+    } catch (e) {
+      console.warn("could not load taler-wallet-android either");
+      throw e;
+    }
+  }
+  if (typeof tw.handleWorkerMessage !== "function") {
+    throw Error("module loaded for crypto worker lacks handleWorkerMessage");
+  }
+  if (typeof tw.handleWorkerError !== "function") {
+    throw Error("module loaded for crypto worker lacks handleWorkerError");
+  }
+  parentPort.on("message", tw.handleWorkerMessage);
+  parentPort.on("error", tw.handleWorkerError);
+`;
+/**
+ * This function is executed in the worker thread to handle
+ * a message.
+ */
+function handleWorkerMessage(msg) {
+    const args = msg.args;
+    if (!Array.isArray(args)) {
+        console.error("args must be array");
+        return;
+    }
+    const id = msg.id;
+    if (typeof id !== "number") {
+        console.error("RPC id must be number");
+        return;
+    }
+    const operation = msg.operation;
+    if (typeof operation !== "string") {
+        console.error("RPC operation must be string");
+        return;
+    }
+    const handleRequest = () => __awaiter(this, void 0, void 0, function* () {
+        var _a;
+        const impl = new CryptoImplementation();
+        if (!(operation in impl)) {
+            console.error(`crypto operation '${operation}' not found`);
+            return;
+        }
+        try {
+            const result = impl[operation](...args);
+            // eslint-disable-next-line @typescript-eslint/no-var-requires
+            const worker_threads = require("worker_threads");
+            const p = worker_threads.parentPort;
+            (_a = worker_threads.parentPort) === null || _a === void 0 ? void 0 : _a.postMessage;
+            if (p) {
+                p.postMessage({ data: { result, id } });
+            }
+            else {
+                console.error("parent port not available (not running in thread?");
+            }
+        }
+        catch (e) {
+            console.error("error during operation", e);
+            return;
+        }
+    });
+    handleRequest().catch((e) => {
+        console.error("error in node worker", e);
+    });
+}
+function handleWorkerError(e) {
+    console.log("got error from worker", e);
+}
+class NodeThreadCryptoWorkerFactory {
+    startWorker() {
+        if (typeof require === "undefined") {
+            throw Error("cannot make worker, require(...) not defined");
+        }
+        return new NodeThreadCryptoWorker();
+    }
+    getConcurrency() {
+        return Math.max(1, os__default['default'].cpus().length - 1);
+    }
+}
+/**
+ * Worker implementation that uses node subprocesses.
+ */
+class NodeThreadCryptoWorker {
+    constructor() {
+        // eslint-disable-next-line @typescript-eslint/no-var-requires
+        const worker_threads = require("worker_threads");
+        logger$k.trace("starting node crypto worker");
+        this.nodeWorker = new worker_threads.Worker(workerCode, { eval: true });
+        this.nodeWorker.on("error", (err) => {
+            console.error("error in node worker:", err);
+            if (this.onerror) {
+                this.onerror(err);
+            }
+        });
+        this.nodeWorker.on("exit", (err) => {
+            logger$k.trace(`worker exited with code ${err}`);
+        });
+        this.nodeWorker.on("message", (v) => {
+            if (this.onmessage) {
+                this.onmessage(v);
+            }
+        });
+        this.nodeWorker.unref();
+    }
+    /**
+     * Add an event listener for either an "error" or "message" event.
+     */
+    addEventListener(event, fn) {
+        switch (event) {
+            case "message":
+                this.onmessage = fn;
+                break;
+            case "error":
+                this.onerror = fn;
+                break;
+        }
+    }
+    /**
+     * Send a message to the worker thread.
+     */
+    postMessage(msg) {
+        this.nodeWorker.postMessage(msg);
+    }
+    /**
+     * Forcibly terminate the worker thread.
+     */
+    terminate() {
+        this.nodeWorker.terminate();
+    }
+}
+
+/*
+ This file is part of GNU Taler
+ (C) 2019 GNUnet e.V.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+/**
+ * The synchronous crypto worker produced by this factory doesn't run in the
+ * background, but actually blocks the caller until the operation is done.
+ */
+class SynchronousCryptoWorkerFactory {
+    startWorker() {
+        if (typeof require === "undefined") {
+            throw Error("cannot make worker, require(...) not defined");
+        }
+        return new SynchronousCryptoWorker();
+    }
+    getConcurrency() {
+        return 1;
+    }
+}
+/**
+ * Worker implementation that uses node subprocesses.
+ */
+class SynchronousCryptoWorker {
+    constructor() {
+        this.onerror = undefined;
+        this.onmessage = undefined;
+    }
+    /**
+     * Add an event listener for either an "error" or "message" event.
+     */
+    addEventListener(event, fn) {
+        switch (event) {
+            case "message":
+                this.onmessage = fn;
+                break;
+            case "error":
+                this.onerror = fn;
+                break;
+        }
+    }
+    dispatchMessage(msg) {
+        if (this.onmessage) {
+            this.onmessage({ data: msg });
+        }
+    }
+    handleRequest(operation, id, args) {
+        return __awaiter(this, void 0, void 0, function* () {
+            const impl = new CryptoImplementation();
+            if (!(operation in impl)) {
+                console.error(`crypto operation '${operation}' not found`);
+                return;
+            }
+            let result;
+            try {
+                result = impl[operation](...args);
+            }
+            catch (e) {
+                console.log("error during operation", e);
+                return;
+            }
+            try {
+                setTimeout(() => this.dispatchMessage({ result, id }), 0);
+            }
+            catch (e) {
+                console.log("got error during dispatch", e);
+            }
+        });
+    }
+    /**
+     * Send a message to the worker thread.
+     */
+    postMessage(msg) {
+        const args = msg.args;
+        if (!Array.isArray(args)) {
+            console.error("args must be array");
+            return;
+        }
+        const id = msg.id;
+        if (typeof id !== "number") {
+            console.error("RPC id must be number");
+            return;
+        }
+        const operation = msg.operation;
+        if (typeof operation !== "string") {
+            console.error("RPC operation must be string");
+            return;
+        }
+        this.handleRequest(operation, id, args).catch((e) => {
+            console.error("Error while handling crypto request:", e);
+        });
+    }
+    /**
+     * Forcibly terminate the worker thread.
+     */
+    terminate() {
+        // This is a no-op.
+    }
+}
+
+/*
+ This file is part of GNU Taler
+ (C) 2019 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+const logger$l = new Logger("headless/helpers.ts");
+/**
+ * Generate a random alphanumeric ID.  Does *not* use cryptographically
+ * secure randomness.
+ */
+function makeId$1(length) {
+    let result = "";
+    const characters = "abcdefghijklmnopqrstuvwxyz0123456789";
+    for (let i = 0; i < length; i++) {
+        result += characters.charAt(Math.floor(Math.random() * characters.length));
+    }
+    return result;
+}
+/**
+ * Get a wallet instance with default settings for node.
+ */
+function getDefaultNodeWallet(args = {}) {
+    return __awaiter(this, void 0, void 0, function* () {
+        BridgeIDBFactory.enableTracing = false;
+        const myBackend = new MemoryBackend();
+        myBackend.enableTracing = false;
+        const storagePath = args.persistentStoragePath;
+        if (storagePath) {
+            try {
+                const dbContentStr = fs__default['default'].readFileSync(storagePath, {
+                    encoding: "utf-8",
+                });
+                const dbContent = JSON.parse(dbContentStr);
+                myBackend.importDump(dbContent);
+            }
+            catch (e) {
+                const code = e.code;
+                if (code === "ENOENT") {
+                    logger$l.trace("wallet file doesn't exist yet");
+                }
+                else {
+                    logger$l.error("could not open wallet database file");
+                    throw e;
+                }
+            }
+            myBackend.afterCommitCallback = () => __awaiter(this, void 0, void 0, function* () {
+                // Allow caller to stop persisting the wallet.
+                if (args.persistentStoragePath === undefined) {
+                    return;
+                }
+                const tmpPath = `${args.persistentStoragePath}-${makeId$1(5)}.tmp`;
+                const dbContent = myBackend.exportDump();
+                fs__default['default'].writeFileSync(tmpPath, JSON.stringify(dbContent, undefined, 2), {
+                    encoding: "utf-8",
+                });
+                // Atomically move the temporary file onto the DB path.
+                fs__default['default'].renameSync(tmpPath, args.persistentStoragePath);
+            });
+        }
+        BridgeIDBFactory.enableTracing = false;
+        const myBridgeIdbFactory = new BridgeIDBFactory(myBackend);
+        const myIdbFactory = myBridgeIdbFactory;
+        let myHttpLib;
+        if (args.httpLib) {
+            myHttpLib = args.httpLib;
+        }
+        else {
+            myHttpLib = new NodeHttpLib();
+        }
+        const myVersionChange = () => {
+            logger$l.error("version change requested, should not happen");
+            throw Error("BUG: wallet DB version change event can't happen with memory IDB");
+        };
+        shimIndexedDB(myBridgeIdbFactory);
+        const myDb = yield openTalerDatabase(myIdbFactory, myVersionChange);
+        let workerFactory;
+        try {
+            // Try if we have worker threads available, fails in older node versions.
+            require("worker_threads");
+            workerFactory = new NodeThreadCryptoWorkerFactory();
+        }
+        catch (e) {
+            logger$l.warn("worker threads not available, falling back to synchronous workers");
+            workerFactory = new SynchronousCryptoWorkerFactory();
+        }
+        const w = new Wallet(myDb, myHttpLib, workerFactory);
+        if (args.notifyHandler) {
+            w.addNotificationListener(args.notifyHandler);
+        }
+        return w;
+    });
+}
+
+/**
+ * @preserve jed.js https://github.com/SlexAxton/Jed
+ */
+
+var jed = createCommonjsModule(function (module, exports) {
+/*
+-----------
+A gettext compatible i18n library for modern JavaScript Applications
+
+by Alex Sexton - AlexSexton [at] gmail - @SlexAxton
+
+MIT License
+
+A jQuery Foundation project - requires CLA to contribute -
+https://contribute.jquery.org/CLA/
+
+
+
+Jed offers the entire applicable GNU gettext spec'd set of
+functions, but also offers some nicer wrappers around them.
+The api for gettext was written for a language with no function
+overloading, so Jed allows a little more of that.
+
+Many thanks to Joshua I. Miller - unrtst@cpan.org - who wrote
+gettext.js back in 2008. I was able to vet a lot of my ideas
+against his. I also made sure Jed passed against his tests
+in order to offer easy upgrades -- jsgettext.berlios.de
+*/
+(function (root, undef) {
+
+  // Set up some underscore-style functions, if you already have
+  // underscore, feel free to delete this section, and use it
+  // directly, however, the amount of functions used doesn't
+  // warrant having underscore as a full dependency.
+  // Underscore 1.3.0 was used to port and is licensed
+  // under the MIT License by Jeremy Ashkenas.
+  var ArrayProto    = Array.prototype,
+      ObjProto      = Object.prototype,
+      slice         = ArrayProto.slice,
+      hasOwnProp    = ObjProto.hasOwnProperty,
+      nativeForEach = ArrayProto.forEach,
+      breaker       = {};
+
+  // We're not using the OOP style _ so we don't need the
+  // extra level of indirection. This still means that you
+  // sub out for real `_` though.
+  var _ = {
+    forEach : function( obj, iterator, context ) {
+      var i, l, key;
+      if ( obj === null ) {
+        return;
+      }
+
+      if ( nativeForEach && obj.forEach === nativeForEach ) {
+        obj.forEach( iterator, context );
+      }
+      else if ( obj.length === +obj.length ) {
+        for ( i = 0, l = obj.length; i < l; i++ ) {
+          if ( i in obj && iterator.call( context, obj[i], i, obj ) === breaker ) {
+            return;
+          }
+        }
+      }
+      else {
+        for ( key in obj) {
+          if ( hasOwnProp.call( obj, key ) ) {
+            if ( iterator.call (context, obj[key], key, obj ) === breaker ) {
+              return;
+            }
+          }
+        }
+      }
+    },
+    extend : function( obj ) {
+      this.forEach( slice.call( arguments, 1 ), function ( source ) {
+        for ( var prop in source ) {
+          obj[prop] = source[prop];
+        }
+      });
+      return obj;
+    }
+  };
+  // END Miniature underscore impl
+
+  // Jed is a constructor function
+  var Jed = function ( options ) {
+    // Some minimal defaults
+    this.defaults = {
+      "locale_data" : {
+        "messages" : {
+          "" : {
+            "domain"       : "messages",
+            "lang"         : "en",
+            "plural_forms" : "nplurals=2; plural=(n != 1);"
+          }
+          // There are no default keys, though
+        }
+      },
+      // The default domain if one is missing
+      "domain" : "messages",
+      // enable debug mode to log untranslated strings to the console
+      "debug" : false
+    };
+
+    // Mix in the sent options with the default options
+    this.options = _.extend( {}, this.defaults, options );
+    this.textdomain( this.options.domain );
+
+    if ( options.domain && ! this.options.locale_data[ this.options.domain ] ) {
+      throw new Error('Text domain set to non-existent domain: `' + options.domain + '`');
+    }
+  };
+
+  // The gettext spec sets this character as the default
+  // delimiter for context lookups.
+  // e.g.: context\u0004key
+  // If your translation company uses something different,
+  // just change this at any time and it will use that instead.
+  Jed.context_delimiter = String.fromCharCode( 4 );
+
+  function getPluralFormFunc ( plural_form_string ) {
+    return Jed.PF.compile( plural_form_string || "nplurals=2; plural=(n != 1);");
+  }
+
+  function Chain( key, i18n ){
+    this._key = key;
+    this._i18n = i18n;
+  }
+
+  // Create a chainable api for adding args prettily
+  _.extend( Chain.prototype, {
+    onDomain : function ( domain ) {
+      this._domain = domain;
+      return this;
+    },
+    withContext : function ( context ) {
+      this._context = context;
+      return this;
+    },
+    ifPlural : function ( num, pkey ) {
+      this._val = num;
+      this._pkey = pkey;
+      return this;
+    },
+    fetch : function ( sArr ) {
+      if ( {}.toString.call( sArr ) != '[object Array]' ) {
+        sArr = [].slice.call(arguments, 0);
+      }
+      return ( sArr && sArr.length ? Jed.sprintf : function(x){ return x; } )(
+        this._i18n.dcnpgettext(this._domain, this._context, this._key, this._pkey, this._val),
+        sArr
+      );
+    }
+  });
+
+  // Add functions to the Jed prototype.
+  // These will be the functions on the object that's returned
+  // from creating a `new Jed()`
+  // These seem redundant, but they gzip pretty well.
+  _.extend( Jed.prototype, {
+    // The sexier api start point
+    translate : function ( key ) {
+      return new Chain( key, this );
+    },
+
+    textdomain : function ( domain ) {
+      if ( ! domain ) {
+        return this._textdomain;
+      }
+      this._textdomain = domain;
+    },
+
+    gettext : function ( key ) {
+      return this.dcnpgettext.call( this, undef, undef, key );
+    },
+
+    dgettext : function ( domain, key ) {
+     return this.dcnpgettext.call( this, domain, undef, key );
+    },
+
+    dcgettext : function ( domain , key /*, category */ ) {
+      // Ignores the category anyways
+      return this.dcnpgettext.call( this, domain, undef, key );
+    },
+
+    ngettext : function ( skey, pkey, val ) {
+      return this.dcnpgettext.call( this, undef, undef, skey, pkey, val );
+    },
+
+    dngettext : function ( domain, skey, pkey, val ) {
+      return this.dcnpgettext.call( this, domain, undef, skey, pkey, val );
+    },
+
+    dcngettext : function ( domain, skey, pkey, val/*, category */) {
+      return this.dcnpgettext.call( this, domain, undef, skey, pkey, val );
+    },
+
+    pgettext : function ( context, key ) {
+      return this.dcnpgettext.call( this, undef, context, key );
+    },
+
+    dpgettext : function ( domain, context, key ) {
+      return this.dcnpgettext.call( this, domain, context, key );
+    },
+
+    dcpgettext : function ( domain, context, key/*, category */) {
+      return this.dcnpgettext.call( this, domain, context, key );
+    },
+
+    npgettext : function ( context, skey, pkey, val ) {
+      return this.dcnpgettext.call( this, undef, context, skey, pkey, val );
+    },
+
+    dnpgettext : function ( domain, context, skey, pkey, val ) {
+      return this.dcnpgettext.call( this, domain, context, skey, pkey, val );
+    },
+
+    // The most fully qualified gettext function. It has every option.
+    // Since it has every option, we can use it from every other method.
+    // This is the bread and butter.
+    // Technically there should be one more argument in this function for 'Category',
+    // but since we never use it, we might as well not waste the bytes to define it.
+    dcnpgettext : function ( domain, context, singular_key, plural_key, val ) {
+      // Set some defaults
+
+      plural_key = plural_key || singular_key;
+
+      // Use the global domain default if one
+      // isn't explicitly passed in
+      domain = domain || this._textdomain;
+
+      var fallback;
+
+      // Handle special cases
+
+      // No options found
+      if ( ! this.options ) {
+        // There's likely something wrong, but we'll return the correct key for english
+        // We do this by instantiating a brand new Jed instance with the default set
+        // for everything that could be broken.
+        fallback = new Jed();
+        return fallback.dcnpgettext.call( fallback, undefined, undefined, singular_key, plural_key, val );
+      }
+
+      // No translation data provided
+      if ( ! this.options.locale_data ) {
+        throw new Error('No locale data provided.');
+      }
+
+      if ( ! this.options.locale_data[ domain ] ) {
+        throw new Error('Domain `' + domain + '` was not found.');
+      }
+
+      if ( ! this.options.locale_data[ domain ][ "" ] ) {
+        throw new Error('No locale meta information provided.');
+      }
+
+      // Make sure we have a truthy key. Otherwise we might start looking
+      // into the empty string key, which is the options for the locale
+      // data.
+      if ( ! singular_key ) {
+        throw new Error('No translation key found.');
+      }
+
+      var key  = context ? context + Jed.context_delimiter + singular_key : singular_key,
+          locale_data = this.options.locale_data,
+          dict = locale_data[ domain ],
+          defaultConf = (locale_data.messages || this.defaults.locale_data.messages)[""],
+          pluralForms = dict[""].plural_forms || dict[""]["Plural-Forms"] || dict[""]["plural-forms"] || defaultConf.plural_forms || defaultConf["Plural-Forms"] || defaultConf["plural-forms"],
+          val_list,
+          res;
+
+      var val_idx;
+      if (val === undefined) {
+        // No value passed in; assume singular key lookup.
+        val_idx = 0;
+
+      } else {
+        // Value has been passed in; use plural-forms calculations.
+
+        // Handle invalid numbers, but try casting strings for good measure
+        if ( typeof val != 'number' ) {
+          val = parseInt( val, 10 );
+
+          if ( isNaN( val ) ) {
+            throw new Error('The number that was passed in is not a number.');
+          }
+        }
+
+        val_idx = getPluralFormFunc(pluralForms)(val);
+      }
+
+      // Throw an error if a domain isn't found
+      if ( ! dict ) {
+        throw new Error('No domain named `' + domain + '` could be found.');
+      }
+
+      val_list = dict[ key ];
+
+      // If there is no match, then revert back to
+      // english style singular/plural with the keys passed in.
+      if ( ! val_list || val_idx > val_list.length ) {
+        if (this.options.missing_key_callback) {
+          this.options.missing_key_callback(key, domain);
+        }
+        res = [ singular_key, plural_key ];
+
+        // collect untranslated strings
+        if (this.options.debug===true) {
+          console.log(res[ getPluralFormFunc(pluralForms)( val ) ]);
+        }
+        return res[ getPluralFormFunc()( val ) ];
+      }
+
+      res = val_list[ val_idx ];
+
+      // This includes empty strings on purpose
+      if ( ! res  ) {
+        res = [ singular_key, plural_key ];
+        return res[ getPluralFormFunc()( val ) ];
+      }
+      return res;
+    }
+  });
+
+
+  // We add in sprintf capabilities for post translation value interolation
+  // This is not internally used, so you can remove it if you have this
+  // available somewhere else, or want to use a different system.
+
+  // We _slightly_ modify the normal sprintf behavior to more gracefully handle
+  // undefined values.
+
+  /**
+   sprintf() for JavaScript 0.7-beta1
+   http://www.diveintojavascript.com/projects/javascript-sprintf
+
+   Copyright (c) Alexandru Marasteanu <alexaholic [at) gmail (dot] com>
+   All rights reserved.
+
+   Redistribution and use in source and binary forms, with or without
+   modification, are permitted provided that the following conditions are met:
+       * Redistributions of source code must retain the above copyright
+         notice, this list of conditions and the following disclaimer.
+       * Redistributions in binary form must reproduce the above copyright
+         notice, this list of conditions and the following disclaimer in the
+         documentation and/or other materials provided with the distribution.
+       * Neither the name of sprintf() for JavaScript nor the
+         names of its contributors may be used to endorse or promote products
+         derived from this software without specific prior written permission.
+
+   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+   ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+   WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+   DISCLAIMED. IN NO EVENT SHALL Alexandru Marasteanu BE LIABLE FOR ANY
+   DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+   (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+   LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+   ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  */
+  var sprintf = (function() {
+    function get_type(variable) {
+      return Object.prototype.toString.call(variable).slice(8, -1).toLowerCase();
+    }
+    function str_repeat(input, multiplier) {
+      for (var output = []; multiplier > 0; output[--multiplier] = input) {/* do nothing */}
+      return output.join('');
+    }
+
+    var str_format = function() {
+      if (!str_format.cache.hasOwnProperty(arguments[0])) {
+        str_format.cache[arguments[0]] = str_format.parse(arguments[0]);
+      }
+      return str_format.format.call(null, str_format.cache[arguments[0]], arguments);
+    };
+
+    str_format.format = function(parse_tree, argv) {
+      var cursor = 1, tree_length = parse_tree.length, node_type = '', arg, output = [], i, k, match, pad, pad_character, pad_length;
+      for (i = 0; i < tree_length; i++) {
+        node_type = get_type(parse_tree[i]);
+        if (node_type === 'string') {
+          output.push(parse_tree[i]);
+        }
+        else if (node_type === 'array') {
+          match = parse_tree[i]; // convenience purposes only
+          if (match[2]) { // keyword argument
+            arg = argv[cursor];
+            for (k = 0; k < match[2].length; k++) {
+              if (!arg.hasOwnProperty(match[2][k])) {
+                throw(sprintf('[sprintf] property "%s" does not exist', match[2][k]));
+              }
+              arg = arg[match[2][k]];
+            }
+          }
+          else if (match[1]) { // positional argument (explicit)
+            arg = argv[match[1]];
+          }
+          else { // positional argument (implicit)
+            arg = argv[cursor++];
+          }
+
+          if (/[^s]/.test(match[8]) && (get_type(arg) != 'number')) {
+            throw(sprintf('[sprintf] expecting number but found %s', get_type(arg)));
+          }
+
+          // Jed EDIT
+          if ( typeof arg == 'undefined' || arg === null ) {
+            arg = '';
+          }
+          // Jed EDIT
+
+          switch (match[8]) {
+            case 'b': arg = arg.toString(2); break;
+            case 'c': arg = String.fromCharCode(arg); break;
+            case 'd': arg = parseInt(arg, 10); break;
+            case 'e': arg = match[7] ? arg.toExponential(match[7]) : arg.toExponential(); break;
+            case 'f': arg = match[7] ? parseFloat(arg).toFixed(match[7]) : parseFloat(arg); break;
+            case 'o': arg = arg.toString(8); break;
+            case 's': arg = ((arg = String(arg)) && match[7] ? arg.substring(0, match[7]) : arg); break;
+            case 'u': arg = Math.abs(arg); break;
+            case 'x': arg = arg.toString(16); break;
+            case 'X': arg = arg.toString(16).toUpperCase(); break;
+          }
+          arg = (/[def]/.test(match[8]) && match[3] && arg >= 0 ? '+'+ arg : arg);
+          pad_character = match[4] ? match[4] == '0' ? '0' : match[4].charAt(1) : ' ';
+          pad_length = match[6] - String(arg).length;
+          pad = match[6] ? str_repeat(pad_character, pad_length) : '';
+          output.push(match[5] ? arg + pad : pad + arg);
+        }
+      }
+      return output.join('');
+    };
+
+    str_format.cache = {};
+
+    str_format.parse = function(fmt) {
+      var _fmt = fmt, match = [], parse_tree = [], arg_names = 0;
+      while (_fmt) {
+        if ((match = /^[^\x25]+/.exec(_fmt)) !== null) {
+          parse_tree.push(match[0]);
+        }
+        else if ((match = /^\x25{2}/.exec(_fmt)) !== null) {
+          parse_tree.push('%');
+        }
+        else if ((match = /^\x25(?:([1-9]\d*)\$|\(([^\)]+)\))?(\+)?(0|'[^$])?(-)?(\d+)?(?:\.(\d+))?([b-fosuxX])/.exec(_fmt)) !== null) {
+          if (match[2]) {
+            arg_names |= 1;
+            var field_list = [], replacement_field = match[2], field_match = [];
+            if ((field_match = /^([a-z_][a-z_\d]*)/i.exec(replacement_field)) !== null) {
+              field_list.push(field_match[1]);
+              while ((replacement_field = replacement_field.substring(field_match[0].length)) !== '') {
+                if ((field_match = /^\.([a-z_][a-z_\d]*)/i.exec(replacement_field)) !== null) {
+                  field_list.push(field_match[1]);
+                }
+                else if ((field_match = /^\[(\d+)\]/.exec(replacement_field)) !== null) {
+                  field_list.push(field_match[1]);
+                }
+                else {
+                  throw('[sprintf] huh?');
+                }
+              }
+            }
+            else {
+              throw('[sprintf] huh?');
+            }
+            match[2] = field_list;
+          }
+          else {
+            arg_names |= 2;
+          }
+          if (arg_names === 3) {
+            throw('[sprintf] mixing positional and named placeholders is not (yet) supported');
+          }
+          parse_tree.push(match);
+        }
+        else {
+          throw('[sprintf] huh?');
+        }
+        _fmt = _fmt.substring(match[0].length);
+      }
+      return parse_tree;
+    };
+
+    return str_format;
+  })();
+
+  var vsprintf = function(fmt, argv) {
+    argv.unshift(fmt);
+    return sprintf.apply(null, argv);
+  };
+
+  Jed.parse_plural = function ( plural_forms, n ) {
+    plural_forms = plural_forms.replace(/n/g, n);
+    return Jed.parse_expression(plural_forms);
+  };
+
+  Jed.sprintf = function ( fmt, args ) {
+    if ( {}.toString.call( args ) == '[object Array]' ) {
+      return vsprintf( fmt, [].slice.call(args) );
+    }
+    return sprintf.apply(this, [].slice.call(arguments) );
+  };
+
+  Jed.prototype.sprintf = function () {
+    return Jed.sprintf.apply(this, arguments);
+  };
+  // END sprintf Implementation
+
+  // Start the Plural forms section
+  // This is a full plural form expression parser. It is used to avoid
+  // running 'eval' or 'new Function' directly against the plural
+  // forms.
+  //
+  // This can be important if you get translations done through a 3rd
+  // party vendor. I encourage you to use this instead, however, I
+  // also will provide a 'precompiler' that you can use at build time
+  // to output valid/safe function representations of the plural form
+  // expressions. This means you can build this code out for the most
+  // part.
+  Jed.PF = {};
+
+  Jed.PF.parse = function ( p ) {
+    var plural_str = Jed.PF.extractPluralExpr( p );
+    return Jed.PF.parser.parse.call(Jed.PF.parser, plural_str);
+  };
+
+  Jed.PF.compile = function ( p ) {
+    // Handle trues and falses as 0 and 1
+    function imply( val ) {
+      return (val === true ? 1 : val ? val : 0);
+    }
+
+    var ast = Jed.PF.parse( p );
+    return function ( n ) {
+      return imply( Jed.PF.interpreter( ast )( n ) );
+    };
+  };
+
+  Jed.PF.interpreter = function ( ast ) {
+    return function ( n ) {
+      switch ( ast.type ) {
+        case 'GROUP':
+          return Jed.PF.interpreter( ast.expr )( n );
+        case 'TERNARY':
+          if ( Jed.PF.interpreter( ast.expr )( n ) ) {
+            return Jed.PF.interpreter( ast.truthy )( n );
+          }
+          return Jed.PF.interpreter( ast.falsey )( n );
+        case 'OR':
+          return Jed.PF.interpreter( ast.left )( n ) || Jed.PF.interpreter( ast.right )( n );
+        case 'AND':
+          return Jed.PF.interpreter( ast.left )( n ) && Jed.PF.interpreter( ast.right )( n );
+        case 'LT':
+          return Jed.PF.interpreter( ast.left )( n ) < Jed.PF.interpreter( ast.right )( n );
+        case 'GT':
+          return Jed.PF.interpreter( ast.left )( n ) > Jed.PF.interpreter( ast.right )( n );
+        case 'LTE':
+          return Jed.PF.interpreter( ast.left )( n ) <= Jed.PF.interpreter( ast.right )( n );
+        case 'GTE':
+          return Jed.PF.interpreter( ast.left )( n ) >= Jed.PF.interpreter( ast.right )( n );
+        case 'EQ':
+          return Jed.PF.interpreter( ast.left )( n ) == Jed.PF.interpreter( ast.right )( n );
+        case 'NEQ':
+          return Jed.PF.interpreter( ast.left )( n ) != Jed.PF.interpreter( ast.right )( n );
+        case 'MOD':
+          return Jed.PF.interpreter( ast.left )( n ) % Jed.PF.interpreter( ast.right )( n );
+        case 'VAR':
+          return n;
+        case 'NUM':
+          return ast.val;
+        default:
+          throw new Error("Invalid Token found.");
+      }
+    };
+  };
+
+  Jed.PF.extractPluralExpr = function ( p ) {
+    // trim first
+    p = p.replace(/^\s\s*/, '').replace(/\s\s*$/, '');
+
+    if (! /;\s*$/.test(p)) {
+      p = p.concat(';');
+    }
+
+    var nplurals_re = /nplurals\=(\d+);/,
+        plural_re = /plural\=(.*);/,
+        nplurals_matches = p.match( nplurals_re ),
+        plural_matches;
+
+    // Find the nplurals number
+    if ( nplurals_matches.length > 1 ) {
+      nplurals_matches[1];
+    }
+    else {
+      throw new Error('nplurals not found in plural_forms string: ' + p );
+    }
+
+    // remove that data to get to the formula
+    p = p.replace( nplurals_re, "" );
+    plural_matches = p.match( plural_re );
+
+    if (!( plural_matches && plural_matches.length > 1 ) ) {
+      throw new Error('`plural` expression not found: ' + p);
+    }
+    return plural_matches[ 1 ];
+  };
+
+  /* Jison generated parser */
+  Jed.PF.parser = (function(){
+
+var parser = {trace: function trace() { },
+yy: {},
+symbols_: {"error":2,"expressions":3,"e":4,"EOF":5,"?":6,":":7,"||":8,"&&":9,"<":10,"<=":11,">":12,">=":13,"!=":14,"==":15,"%":16,"(":17,")":18,"n":19,"NUMBER":20,"$accept":0,"$end":1},
+terminals_: {2:"error",5:"EOF",6:"?",7:":",8:"||",9:"&&",10:"<",11:"<=",12:">",13:">=",14:"!=",15:"==",16:"%",17:"(",18:")",19:"n",20:"NUMBER"},
+productions_: [0,[3,2],[4,5],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,1],[4,1]],
+performAction: function anonymous(yytext,yyleng,yylineno,yy,yystate,$$,_$) {
+
+var $0 = $$.length - 1;
+switch (yystate) {
+case 1: return { type : 'GROUP', expr: $$[$0-1] };
+case 2:this.$ = { type: 'TERNARY', expr: $$[$0-4], truthy : $$[$0-2], falsey: $$[$0] };
+break;
+case 3:this.$ = { type: "OR", left: $$[$0-2], right: $$[$0] };
+break;
+case 4:this.$ = { type: "AND", left: $$[$0-2], right: $$[$0] };
+break;
+case 5:this.$ = { type: 'LT', left: $$[$0-2], right: $$[$0] };
+break;
+case 6:this.$ = { type: 'LTE', left: $$[$0-2], right: $$[$0] };
+break;
+case 7:this.$ = { type: 'GT', left: $$[$0-2], right: $$[$0] };
+break;
+case 8:this.$ = { type: 'GTE', left: $$[$0-2], right: $$[$0] };
+break;
+case 9:this.$ = { type: 'NEQ', left: $$[$0-2], right: $$[$0] };
+break;
+case 10:this.$ = { type: 'EQ', left: $$[$0-2], right: $$[$0] };
+break;
+case 11:this.$ = { type: 'MOD', left: $$[$0-2], right: $$[$0] };
+break;
+case 12:this.$ = { type: 'GROUP', expr: $$[$0-1] };
+break;
+case 13:this.$ = { type: 'VAR' };
+break;
+case 14:this.$ = { type: 'NUM', val: Number(yytext) };
+break;
+}
+},
+table: [{3:1,4:2,17:[1,3],19:[1,4],20:[1,5]},{1:[3]},{5:[1,6],6:[1,7],8:[1,8],9:[1,9],10:[1,10],11:[1,11],12:[1,12],13:[1,13],14:[1,14],15:[1,15],16:[1,16]},{4:17,17:[1,3],19:[1,4],20:[1,5]},{5:[2,13],6:[2,13],7:[2,13],8:[2,13],9:[2,13],10:[2,13],11:[2,13],12:[2,13],13:[2,13],14:[2,13],15:[2,13],16:[2,13],18:[2,13]},{5:[2,14],6:[2,14],7:[2,14],8:[2,14],9:[2,14],10:[2,14],11:[2,14],12:[2,14],13:[2,14],14:[2,14],15:[2,14],16:[2,14],18:[2,14]},{1:[2,1]},{4:18,17:[1,3],19:[1,4],20:[1,5]},{4:19,17:[1,3],19:[1,4],20:[1,5]},{4:20,17:[1,3],19:[1,4],20:[1,5]},{4:21,17:[1,3],19:[1,4],20:[1,5]},{4:22,17:[1,3],19:[1,4],20:[1,5]},{4:23,17:[1,3],19:[1,4],20:[1,5]},{4:24,17:[1,3],19:[1,4],20:[1,5]},{4:25,17:[1,3],19:[1,4],20:[1,5]},{4:26,17:[1,3],19:[1,4],20:[1,5]},{4:27,17:[1,3],19:[1,4],20:[1,5]},{6:[1,7],8:[1,8],9:[1,9],10:[1,10],11:[1,11],12:[1,12],13:[1,13],14:[1,14],15:[1,15],16:[1,16],18:[1,28]},{6:[1,7],7:[1,29],8:[1,8],9:[1,9],10:[1,10],11:[1,11],12:[1,12],13:[1,13],14:[1,14],15:[1,15],16:[1,16]},{5:[2,3],6:[2,3],7:[2,3],8:[2,3],9:[1,9],10:[1,10],11:[1,11],12:[1,12],13:[1,13],14:[1,14],15:[1,15],16:[1,16],18:[2,3]},{5:[2,4],6:[2,4],7:[2,4],8:[2,4],9:[2,4],10:[1,10],11:[1,11],12:[1,12],13:[1,13],14:[1,14],15:[1,15],16:[1,16],18:[2,4]},{5:[2,5],6:[2,5],7:[2,5],8:[2,5],9:[2,5],10:[2,5],11:[2,5],12:[2,5],13:[2,5],14:[2,5],15:[2,5],16:[1,16],18:[2,5]},{5:[2,6],6:[2,6],7:[2,6],8:[2,6],9:[2,6],10:[2,6],11:[2,6],12:[2,6],13:[2,6],14:[2,6],15:[2,6],16:[1,16],18:[2,6]},{5:[2,7],6:[2,7],7:[2,7],8:[2,7],9:[2,7],10:[2,7],11:[2,7],12:[2,7],13:[2,7],14:[2,7],15:[2,7],16:[1,16],18:[2,7]},{5:[2,8],6:[2,8],7:[2,8],8:[2,8],9:[2,8],10:[2,8],11:[2,8],12:[2,8],13:[2,8],14:[2,8],15:[2,8],16:[1,16],18:[2,8]},{5:[2,9],6:[2,9],7:[2,9],8:[2,9],9:[2,9],10:[2,9],11:[2,9],12:[2,9],13:[2,9],14:[2,9],15:[2,9],16:[1,16],18:[2,9]},{5:[2,10],6:[2,10],7:[2,10],8:[2,10],9:[2,10],10:[2,10],11:[2,10],12:[2,10],13:[2,10],14:[2,10],15:[2,10],16:[1,16],18:[2,10]},{5:[2,11],6:[2,11],7:[2,11],8:[2,11],9:[2,11],10:[2,11],11:[2,11],12:[2,11],13:[2,11],14:[2,11],15:[2,11],16:[2,11],18:[2,11]},{5:[2,12],6:[2,12],7:[2,12],8:[2,12],9:[2,12],10:[2,12],11:[2,12],12:[2,12],13:[2,12],14:[2,12],15:[2,12],16:[2,12],18:[2,12]},{4:30,17:[1,3],19:[1,4],20:[1,5]},{5:[2,2],6:[1,7],7:[2,2],8:[1,8],9:[1,9],10:[1,10],11:[1,11],12:[1,12],13:[1,13],14:[1,14],15:[1,15],16:[1,16],18:[2,2]}],
+defaultActions: {6:[2,1]},
+parseError: function parseError(str, hash) {
+    throw new Error(str);
+},
+parse: function parse(input) {
+    var self = this,
+        stack = [0],
+        vstack = [null], // semantic value stack
+        lstack = [], // location stack
+        table = this.table,
+        yytext = '',
+        yylineno = 0,
+        yyleng = 0,
+        recovering = 0,
+        TERROR = 2,
+        EOF = 1;
+
+    //this.reductionCount = this.shiftCount = 0;
+
+    this.lexer.setInput(input);
+    this.lexer.yy = this.yy;
+    this.yy.lexer = this.lexer;
+    if (typeof this.lexer.yylloc == 'undefined')
+        this.lexer.yylloc = {};
+    var yyloc = this.lexer.yylloc;
+    lstack.push(yyloc);
+
+    if (typeof this.yy.parseError === 'function')
+        this.parseError = this.yy.parseError;
+
+    function popStack (n) {
+        stack.length = stack.length - 2*n;
+        vstack.length = vstack.length - n;
+        lstack.length = lstack.length - n;
+    }
+
+    function lex() {
+        var token;
+        token = self.lexer.lex() || 1; // $end = 1
+        // if token isn't its numeric value, convert
+        if (typeof token !== 'number') {
+            token = self.symbols_[token] || token;
+        }
+        return token;
+    }
+
+    var symbol, preErrorSymbol, state, action, r, yyval={},p,len,newState, expected;
+    while (true) {
+        // retreive state number from top of stack
+        state = stack[stack.length-1];
+
+        // use default actions if available
+        if (this.defaultActions[state]) {
+            action = this.defaultActions[state];
+        } else {
+            if (symbol == null)
+                symbol = lex();
+            // read action for current state and first input
+            action = table[state] && table[state][symbol];
+        }
+
+        // handle parse error
+        
+        if (typeof action === 'undefined' || !action.length || !action[0]) {
+
+            if (!recovering) {
+                // Report error
+                expected = [];
+                for (p in table[state]) if (this.terminals_[p] && p > 2) {
+                    expected.push("'"+this.terminals_[p]+"'");
+                }
+                var errStr = '';
+                if (this.lexer.showPosition) {
+                    errStr = 'Parse error on line '+(yylineno+1)+":\n"+this.lexer.showPosition()+"\nExpecting "+expected.join(', ') + ", got '" + this.terminals_[symbol]+ "'";
+                } else {
+                    errStr = 'Parse error on line '+(yylineno+1)+": Unexpected " +
+                                  (symbol == 1 /*EOF*/ ? "end of input" :
+                                              ("'"+(this.terminals_[symbol] || symbol)+"'"));
+                }
+                this.parseError(errStr,
+                    {text: this.lexer.match, token: this.terminals_[symbol] || symbol, line: this.lexer.yylineno, loc: yyloc, expected: expected});
+            }
+
+            // just recovered from another error
+            if (recovering == 3) {
+                if (symbol == EOF) {
+                    throw new Error(errStr || 'Parsing halted.');
+                }
+
+                // discard current lookahead and grab another
+                yyleng = this.lexer.yyleng;
+                yytext = this.lexer.yytext;
+                yylineno = this.lexer.yylineno;
+                yyloc = this.lexer.yylloc;
+                symbol = lex();
+            }
+
+            // try to recover from error
+            while (1) {
+                // check for error recovery rule in this state
+                if ((TERROR.toString()) in table[state]) {
+                    break;
+                }
+                if (state == 0) {
+                    throw new Error(errStr || 'Parsing halted.');
+                }
+                popStack(1);
+                state = stack[stack.length-1];
+            }
+
+            preErrorSymbol = symbol; // save the lookahead token
+            symbol = TERROR;         // insert generic error symbol as new lookahead
+            state = stack[stack.length-1];
+            action = table[state] && table[state][TERROR];
+            recovering = 3; // allow 3 real symbols to be shifted before reporting a new error
+        }
+
+        // this shouldn't happen, unless resolve defaults are off
+        if (action[0] instanceof Array && action.length > 1) {
+            throw new Error('Parse Error: multiple actions possible at state: '+state+', token: '+symbol);
+        }
+
+        switch (action[0]) {
+
+            case 1: // shift
+                //this.shiftCount++;
+
+                stack.push(symbol);
+                vstack.push(this.lexer.yytext);
+                lstack.push(this.lexer.yylloc);
+                stack.push(action[1]); // push state
+                symbol = null;
+                if (!preErrorSymbol) { // normal execution/no error
+                    yyleng = this.lexer.yyleng;
+                    yytext = this.lexer.yytext;
+                    yylineno = this.lexer.yylineno;
+                    yyloc = this.lexer.yylloc;
+                    if (recovering > 0)
+                        recovering--;
+                } else { // error just occurred, resume old lookahead f/ before error
+                    symbol = preErrorSymbol;
+                    preErrorSymbol = null;
+                }
+                break;
+
+            case 2: // reduce
+                //this.reductionCount++;
+
+                len = this.productions_[action[1]][1];
+
+                // perform semantic action
+                yyval.$ = vstack[vstack.length-len]; // default to $$ = $1
+                // default location, uses first token for firsts, last for lasts
+                yyval._$ = {
+                    first_line: lstack[lstack.length-(len||1)].first_line,
+                    last_line: lstack[lstack.length-1].last_line,
+                    first_column: lstack[lstack.length-(len||1)].first_column,
+                    last_column: lstack[lstack.length-1].last_column
+                };
+                r = this.performAction.call(yyval, yytext, yyleng, yylineno, this.yy, action[1], vstack, lstack);
+
+                if (typeof r !== 'undefined') {
+                    return r;
+                }
+
+                // pop off stack
+                if (len) {
+                    stack = stack.slice(0,-1*len*2);
+                    vstack = vstack.slice(0, -1*len);
+                    lstack = lstack.slice(0, -1*len);
+                }
+
+                stack.push(this.productions_[action[1]][0]);    // push nonterminal (reduce)
+                vstack.push(yyval.$);
+                lstack.push(yyval._$);
+                // goto new state = table[STATE][NONTERMINAL]
+                newState = table[stack[stack.length-2]][stack[stack.length-1]];
+                stack.push(newState);
+                break;
+
+            case 3: // accept
+                return true;
+        }
+
+    }
+
+    return true;
+}};/* Jison generated lexer */
+var lexer = (function(){
+
+var lexer = ({EOF:1,
+parseError:function parseError(str, hash) {
+        if (this.yy.parseError) {
+            this.yy.parseError(str, hash);
+        } else {
+            throw new Error(str);
+        }
+    },
+setInput:function (input) {
+        this._input = input;
+        this._more = this._less = this.done = false;
+        this.yylineno = this.yyleng = 0;
+        this.yytext = this.matched = this.match = '';
+        this.conditionStack = ['INITIAL'];
+        this.yylloc = {first_line:1,first_column:0,last_line:1,last_column:0};
+        return this;
+    },
+input:function () {
+        var ch = this._input[0];
+        this.yytext+=ch;
+        this.yyleng++;
+        this.match+=ch;
+        this.matched+=ch;
+        var lines = ch.match(/\n/);
+        if (lines) this.yylineno++;
+        this._input = this._input.slice(1);
+        return ch;
+    },
+unput:function (ch) {
+        this._input = ch + this._input;
+        return this;
+    },
+more:function () {
+        this._more = true;
+        return this;
+    },
+pastInput:function () {
+        var past = this.matched.substr(0, this.matched.length - this.match.length);
+        return (past.length > 20 ? '...':'') + past.substr(-20).replace(/\n/g, "");
+    },
+upcomingInput:function () {
+        var next = this.match;
+        if (next.length < 20) {
+            next += this._input.substr(0, 20-next.length);
+        }
+        return (next.substr(0,20)+(next.length > 20 ? '...':'')).replace(/\n/g, "");
+    },
+showPosition:function () {
+        var pre = this.pastInput();
+        var c = new Array(pre.length + 1).join("-");
+        return pre + this.upcomingInput() + "\n" + c+"^";
+    },
+next:function () {
+        if (this.done) {
+            return this.EOF;
+        }
+        if (!this._input) this.done = true;
+
+        var token,
+            match,
+            lines;
+        if (!this._more) {
+            this.yytext = '';
+            this.match = '';
+        }
+        var rules = this._currentRules();
+        for (var i=0;i < rules.length; i++) {
+            match = this._input.match(this.rules[rules[i]]);
+            if (match) {
+                lines = match[0].match(/\n.*/g);
+                if (lines) this.yylineno += lines.length;
+                this.yylloc = {first_line: this.yylloc.last_line,
+                               last_line: this.yylineno+1,
+                               first_column: this.yylloc.last_column,
+                               last_column: lines ? lines[lines.length-1].length-1 : this.yylloc.last_column + match[0].length};
+                this.yytext += match[0];
+                this.match += match[0];
+                this.matches = match;
+                this.yyleng = this.yytext.length;
+                this._more = false;
+                this._input = this._input.slice(match[0].length);
+                this.matched += match[0];
+                token = this.performAction.call(this, this.yy, this, rules[i],this.conditionStack[this.conditionStack.length-1]);
+                if (token) return token;
+                else return;
+            }
+        }
+        if (this._input === "") {
+            return this.EOF;
+        } else {
+            this.parseError('Lexical error on line '+(this.yylineno+1)+'. Unrecognized text.\n'+this.showPosition(),
+                    {text: "", token: null, line: this.yylineno});
+        }
+    },
+lex:function lex() {
+        var r = this.next();
+        if (typeof r !== 'undefined') {
+            return r;
+        } else {
+            return this.lex();
+        }
+    },
+begin:function begin(condition) {
+        this.conditionStack.push(condition);
+    },
+popState:function popState() {
+        return this.conditionStack.pop();
+    },
+_currentRules:function _currentRules() {
+        return this.conditions[this.conditionStack[this.conditionStack.length-1]].rules;
+    },
+topState:function () {
+        return this.conditionStack[this.conditionStack.length-2];
+    },
+pushState:function begin(condition) {
+        this.begin(condition);
+    }});
+lexer.performAction = function anonymous(yy,yy_,$avoiding_name_collisions,YY_START) {
+switch($avoiding_name_collisions) {
+case 0:/* skip whitespace */
+break;
+case 1:return 20
+case 2:return 19
+case 3:return 8
+case 4:return 9
+case 5:return 6
+case 6:return 7
+case 7:return 11
+case 8:return 13
+case 9:return 10
+case 10:return 12
+case 11:return 14
+case 12:return 15
+case 13:return 16
+case 14:return 17
+case 15:return 18
+case 16:return 5
+case 17:return 'INVALID'
+}
+};
+lexer.rules = [/^\s+/,/^[0-9]+(\.[0-9]+)?\b/,/^n\b/,/^\|\|/,/^&&/,/^\?/,/^:/,/^<=/,/^>=/,/^</,/^>/,/^!=/,/^==/,/^%/,/^\(/,/^\)/,/^$/,/^./];
+lexer.conditions = {"INITIAL":{"rules":[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17],"inclusive":true}};return lexer;})();
+parser.lexer = lexer;
+return parser;
+})();
+// End parser
+
+  // Handle node, amd, and global systems
+  {
+    if ( module.exports) {
+      exports = module.exports = Jed;
+    }
+    exports.Jed = Jed;
+  }
+
+})();
+});
+
+/*
+ This file is part of GNU Taler
+ (C) 2019 GNUnet e.V.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+class AndroidHttpLib {
+    constructor(sendMessage) {
+        this.sendMessage = sendMessage;
+        this.useNfcTunnel = false;
+        this.nodeHttpLib = new NodeHttpLib();
+        this.requestId = 1;
+        this.requestMap = {};
+    }
+    fetch(url, opt) {
+        return this.nodeHttpLib.fetch(url, opt);
+    }
+    get(url, opt) {
+        if (this.useNfcTunnel) {
+            const myId = this.requestId++;
+            const p = openPromise();
+            this.requestMap[myId] = p;
+            const request = {
+                method: "get",
+                url,
+            };
+            this.sendMessage(JSON.stringify({
+                type: "tunnelHttp",
+                request,
+                id: myId,
+            }));
+            return p.promise;
+        }
+        else {
+            return this.nodeHttpLib.get(url, opt);
+        }
+    }
+    postJson(url, body, opt) {
+        if (this.useNfcTunnel) {
+            const myId = this.requestId++;
+            const p = openPromise();
+            this.requestMap[myId] = p;
+            const request = {
+                method: "postJson",
+                url,
+                body,
+            };
+            this.sendMessage(JSON.stringify({ type: "tunnelHttp", request, id: myId }));
+            return p.promise;
+        }
+        else {
+            return this.nodeHttpLib.postJson(url, body, opt);
+        }
+    }
+    handleTunnelResponse(msg) {
+        const myId = msg.id;
+        const p = this.requestMap[myId];
+        if (!p) {
+            console.error(`no matching request for tunneled HTTP response, id=${myId}`);
+        }
+        const headers = new Headers();
+        if (msg.status != 0) {
+            const resp = {
+                // FIXME: pass through this URL
+                requestUrl: "",
+                headers,
+                status: msg.status,
+                requestMethod: "FIXME",
+                json: () => __awaiter(this, void 0, void 0, function* () { return JSON.parse(msg.responseText); }),
+                text: () => __awaiter(this, void 0, void 0, function* () { return msg.responseText; }),
+                bytes: () => __awaiter(this, void 0, void 0, function* () {
+                    throw Error("bytes() not supported for tunnel response");
+                }),
+            };
+            p.resolve(resp);
+        }
+        else {
+            p.reject(new Error(`unexpected HTTP status code ${msg.status}`));
+        }
+        delete this.requestMap[myId];
+    }
+}
+function sendAkonoMessage(ev) {
+    // @ts-ignore
+    const sendMessage = globalThis.__akono_sendMessage;
+    if (typeof sendMessage !== "function") {
+        const errMsg = "FATAL: cannot install android wallet listener: akono functions missing";
+        console.error(errMsg);
+        throw new Error(errMsg);
+    }
+    const m = JSON.stringify(ev);
+    // @ts-ignore
+    sendMessage(m);
+}
+class AndroidWalletMessageHandler {
+    constructor() {
+        this.wp = openPromise();
+        this.httpLib = new NodeHttpLib();
+    }
+    /**
+     * Handle a request from the Android wallet.
+     */
+    handleMessage(operation, id, args) {
+        return __awaiter(this, void 0, void 0, function* () {
+            const wrapResponse = (result) => {
+                return {
+                    type: "response",
+                    id,
+                    operation,
+                    result,
+                };
+            };
+            switch (operation) {
+                case "init": {
+                    this.walletArgs = {
+                        notifyHandler: (notification) => __awaiter(this, void 0, void 0, function* () {
+                            sendAkonoMessage({ type: "notification", payload: notification });
+                        }),
+                        persistentStoragePath: args.persistentStoragePath,
+                        httpLib: this.httpLib,
+                    };
+                    const w = yield getDefaultNodeWallet(this.walletArgs);
+                    this.maybeWallet = w;
+                    w.runRetryLoop().catch((e) => {
+                        console.error("Error during wallet retry loop", e);
+                    });
+                    this.wp.resolve(w);
+                    return wrapResponse({
+                        supported_protocol_versions: {
+                            exchange: WALLET_EXCHANGE_PROTOCOL_VERSION,
+                            merchant: WALLET_MERCHANT_PROTOCOL_VERSION,
+                        },
+                    });
+                }
+                case "getHistory": {
+                    return wrapResponse({ history: [] });
+                }
+                case "startTunnel": {
+                    // this.httpLib.useNfcTunnel = true;
+                    throw Error("not implemented");
+                }
+                case "stopTunnel": {
+                    // this.httpLib.useNfcTunnel = false;
+                    throw Error("not implemented");
+                }
+                case "tunnelResponse": {
+                    // httpLib.handleTunnelResponse(msg.args);
+                    throw Error("not implemented");
+                }
+                case "reset": {
+                    const oldArgs = this.walletArgs;
+                    this.walletArgs = Object.assign({}, oldArgs);
+                    if (oldArgs && oldArgs.persistentStoragePath) {
+                        try {
+                            fs__default['default'].unlinkSync(oldArgs.persistentStoragePath);
+                        }
+                        catch (e) {
+                            console.error("Error while deleting the wallet db:", e);
+                        }
+                        // Prevent further storage!
+                        this.walletArgs.persistentStoragePath = undefined;
+                    }
+                    const wallet = yield this.wp.promise;
+                    wallet.stop();
+                    this.wp = openPromise();
+                    this.maybeWallet = undefined;
+                    const w = yield getDefaultNodeWallet(this.walletArgs);
+                    this.maybeWallet = w;
+                    w.runRetryLoop().catch((e) => {
+                        console.error("Error during wallet retry loop", e);
+                    });
+                    this.wp.resolve(w);
+                    return wrapResponse({});
+                }
+                default: {
+                    const wallet = yield this.wp.promise;
+                    return yield wallet.handleCoreApiRequest(operation, id, args);
+                }
+            }
+        });
+    }
+}
+function installAndroidWalletListener() {
+    const handler = new AndroidWalletMessageHandler();
+    const onMessage = (msgStr) => __awaiter(this, void 0, void 0, function* () {
+        if (typeof msgStr !== "string") {
+            console.error("expected string as message");
+            return;
+        }
+        const msg = JSON.parse(msgStr);
+        const operation = msg.operation;
+        if (typeof operation !== "string") {
+            console.error("message to android wallet helper must contain operation of type string");
+            return;
+        }
+        const id = msg.id;
+        console.log(`android listener: got request for ${operation} (${id})`);
+        try {
+            const respMsg = yield handler.handleMessage(operation, id, msg.args);
+            console.log(`android listener: sending success response for ${operation} (${id})`);
+            sendAkonoMessage(respMsg);
+        }
+        catch (e) {
+            const respMsg = {
+                type: "error",
+                id,
+                operation,
+                error: makeErrorDetails(TalerErrorCode.WALLET_UNEXPECTED_EXCEPTION, "unexpected exception", {}),
+            };
+            sendAkonoMessage(respMsg);
+            return;
+        }
+    });
+    // @ts-ignore
+    globalThis.__akono_onMessage = onMessage;
+    console.log("android wallet listener installed");
+}
+
+exports.AndroidHttpLib = AndroidHttpLib;
+exports.handleWorkerError = handleWorkerError;
+exports.handleWorkerMessage = handleWorkerMessage;
+exports.installAndroidWalletListener = installAndroidWalletListener;