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import { MemoryBackend, BridgeIDBFactory, shimIndexedDB } from "idb-bridge";
import { Wallet } from "../wallet";
import { Notifier, Badge } from "../walletTypes";
import { openTalerDb, exportDb } from "../db";
import { HttpRequestLibrary } from "../http";
import * as amounts from "../amounts";
import Axios from "axios";
import URI = require("urijs");
import querystring = require("querystring");
class ConsoleNotifier implements Notifier {
notify(): void {
// nothing to do.
}
}
class ConsoleBadge implements Badge {
startBusy(): void {
console.log("NOTIFICATION: busy");
}
stopBusy(): void {
console.log("NOTIFICATION: busy end");
}
showNotification(): void {
console.log("NOTIFICATION: show");
}
clearNotification(): void {
console.log("NOTIFICATION: cleared");
}
}
export class NodeHttpLib implements HttpRequestLibrary {
async get(url: string): Promise<import("../http").HttpResponse> {
console.log("making GET request to", url);
const resp = await Axios({
method: "get",
url: url,
responseType: "json",
});
console.log("got response", resp.data);
console.log("resp type", typeof resp.data);
return {
responseJson: resp.data,
status: resp.status,
};
}
async postJson(
url: string,
body: any,
): Promise<import("../http").HttpResponse> {
console.log("making POST request to", url);
const resp = await Axios({
method: "post",
url: url,
responseType: "json",
data: body,
});
console.log("got response", resp.data);
console.log("resp type", typeof resp.data);
return {
responseJson: resp.data,
status: resp.status,
};
}
async postForm(
url: string,
form: any,
): Promise<import("../http").HttpResponse> {
console.log("making POST request to", url);
const resp = await Axios({
method: "post",
url: url,
data: querystring.stringify(form),
responseType: "json",
});
console.log("got response", resp.data);
console.log("resp type", typeof resp.data);
return {
responseJson: resp.data,
status: resp.status,
};
}
}
interface BankUser {
username: string;
password: string;
}
function makeId(length: number): string {
let result = "";
const characters =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
for (let i = 0; i < length; i++) {
result += characters.charAt(Math.floor(Math.random() * characters.length));
}
return result;
}
async function registerBankUser(
bankBaseUrl: string,
httpLib: HttpRequestLibrary,
): Promise<BankUser> {
const reqUrl = new URI("register").absoluteTo(bankBaseUrl).href();
const randId = makeId(8);
const bankUser: BankUser = {
username: `testuser-${randId}`,
password: `testpw-${randId}`,
};
const result = await httpLib.postForm(reqUrl, bankUser);
if (result.status != 200) {
throw Error("could not register bank user");
}
return bankUser;
}
async function createBankReserve(
bankBaseUrl: string,
bankUser: BankUser,
amount: string,
reservePub: string,
exchangePaytoUri: string,
httpLib: HttpRequestLibrary,
) {
const reqUrl = new URI("taler/withdraw").absoluteTo(bankBaseUrl).href();
const body = {
auth: { type: "basic" },
username: bankUser,
amount,
reserve_pub: reservePub,
exchange_wire_detail: exchangePaytoUri,
};
const resp = await Axios({
method: "post",
url: reqUrl,
data: body,
responseType: "json",
headers: {
"X-Taler-Bank-Username": bankUser.username,
"X-Taler-Bank-Password": bankUser.password,
},
});
if (resp.status != 200) {
throw Error("failed to create bank reserve");
}
}
async function main() {
const myNotifier = new ConsoleNotifier();
const myBadge = new ConsoleBadge();
const myBackend = new MemoryBackend();
myBackend.enableTracing = false;
BridgeIDBFactory.enableTracing = false;
const myBridgeIdbFactory = new BridgeIDBFactory(myBackend);
const myIdbFactory: IDBFactory = (myBridgeIdbFactory as any) as IDBFactory;
const myHttpLib = new NodeHttpLib();
const myVersionChange = () => {
console.error("version change requested, should not happen");
throw Error();
};
const myUnsupportedUpgrade = () => {
console.error("unsupported database migration");
throw Error();
};
shimIndexedDB(myBridgeIdbFactory);
const exchangeBaseUrl = "https://exchange.test.taler.net/";
const bankBaseUrl = "https://bank.test.taler.net/";
const myDb = await openTalerDb(
myIdbFactory,
myVersionChange,
myUnsupportedUpgrade,
);
const myWallet = new Wallet(myDb, myHttpLib, myBadge, myNotifier);
const reserveResponse = await myWallet.createReserve({
amount: amounts.parseOrThrow("TESTKUDOS:10.0"),
exchange: exchangeBaseUrl,
});
const bankUser = await registerBankUser(bankBaseUrl, myHttpLib);
console.log("bank user", bankUser);
const exchangePaytoUri = await myWallet.getExchangePaytoUri(
"https://exchange.test.taler.net/",
["x-taler-bank"],
);
await createBankReserve(
bankBaseUrl,
bankUser,
"TESTKUDOS:10.0",
reserveResponse.reservePub,
exchangePaytoUri,
myHttpLib,
);
await myWallet.confirmReserve({ reservePub: reserveResponse.reservePub });
//await myWallet.waitForReserveDrained(reserveResponse.reservePub);
//myWallet.clearNotification();
//myWallet.stop();
const dbContents = await exportDb(myDb);
console.log("db:", JSON.stringify(dbContents, null, 2));
}
main().catch(err => {
console.error("Failed with exception:");
console.error(err);
});
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