From f4b5f3cff8c29b4aab31d1ef0d0cefd32045db63 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian@dold.me>
Date: Wed, 14 Apr 2021 18:21:23 +0200
Subject: implement debug flag for allowing late withdrawal

---
 packages/taler-wallet-core/src/index.ts            |  4 ++-
 .../taler-wallet-core/src/operations/withdraw.ts   | 15 +++++++---
 packages/taler-wallet-core/src/util/debugFlags.ts  | 32 ++++++++++++++++++++++
 3 files changed, 46 insertions(+), 5 deletions(-)
 create mode 100644 packages/taler-wallet-core/src/util/debugFlags.ts

(limited to 'packages/taler-wallet-core')

diff --git a/packages/taler-wallet-core/src/index.ts b/packages/taler-wallet-core/src/index.ts
index 1faf4e5fa..1f3901273 100644
--- a/packages/taler-wallet-core/src/index.ts
+++ b/packages/taler-wallet-core/src/index.ts
@@ -51,4 +51,6 @@ export * from "./util/promiseUtils";
 export * from "./util/query";
 export * from "./util/http";
 
-export * from "./pending-types";
\ No newline at end of file
+export * from "./pending-types";
+
+export * from "./util/debugFlags";
diff --git a/packages/taler-wallet-core/src/operations/withdraw.ts b/packages/taler-wallet-core/src/operations/withdraw.ts
index fcaa0e6d5..237ef9fc6 100644
--- a/packages/taler-wallet-core/src/operations/withdraw.ts
+++ b/packages/taler-wallet-core/src/operations/withdraw.ts
@@ -20,6 +20,7 @@
 import {
   AmountJson,
   Amounts,
+  durationFromSpec,
   parseWithdrawUri,
   Timestamp,
 } from "@gnu-taler/taler-util";
@@ -74,6 +75,7 @@ import { URL } from "../util/url";
 import { TalerErrorCode } from "@gnu-taler/taler-util";
 import { updateRetryInfoTimeout, initRetryInfo } from "../util/retries";
 import { compare } from "@gnu-taler/taler-util";
+import { walletCoreDebugFlags } from "../util/debugFlags.js";
 
 /**
  * Logger for this file.
@@ -174,10 +176,15 @@ interface ExchangeWithdrawDetails {
 export function isWithdrawableDenom(d: DenominationRecord): boolean {
   const now = getTimestampNow();
   const started = timestampCmp(now, d.stampStart) >= 0;
-  const lastPossibleWithdraw = timestampSubtractDuraction(
-    d.stampExpireWithdraw,
-    { d_ms: 50 * 1000 },
-  );
+  let lastPossibleWithdraw: Timestamp;
+  if (walletCoreDebugFlags.denomselAllowLate) {
+    lastPossibleWithdraw = d.stampExpireWithdraw;
+  } else {
+    lastPossibleWithdraw = timestampSubtractDuraction(
+      d.stampExpireWithdraw,
+      durationFromSpec({ minutes: 5 }),
+    );
+  }
   const remaining = getDurationRemaining(lastPossibleWithdraw, now);
   const stillOkay = remaining.d_ms !== 0;
   return started && stillOkay && !d.isRevoked;
diff --git a/packages/taler-wallet-core/src/util/debugFlags.ts b/packages/taler-wallet-core/src/util/debugFlags.ts
new file mode 100644
index 000000000..cea249d27
--- /dev/null
+++ b/packages/taler-wallet-core/src/util/debugFlags.ts
@@ -0,0 +1,32 @@
+/*
+ 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/>
+ */
+
+/**
+ * Debug flags for wallet-core.
+ *
+ * @author Florian Dold
+ */
+
+export interface WalletCoreDebugFlags {
+  /**
+   * Allow withdrawal of denominations even though they are about to expire.
+   */
+  denomselAllowLate: boolean;
+}
+
+export const walletCoreDebugFlags: WalletCoreDebugFlags = {
+  denomselAllowLate: false,
+};
-- 
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