taler-typescript-core

commit a81f545c60b5a6f8727321203e7c49f14316eb3b
parent 47b1dd91f0faedf73cdca1bca93b738180b59392
Author: Florian Dold <dold@taler.net>
Date:   Thu,  3 Sep 2026 16:01:24 +0200

wallet-core: skip coins whose denomination can no longer be deposited

Only the keys update retired them, so a wallet paying right after
coming back online could spend coins the exchange then refuses.

Diffstat:
M
packages/taler-wallet-core/src/coinSelection.ts
 | 
12
++++++++++++

1 file changed, 12 insertions(+), 0 deletions(-)
diff --git a/packages/taler-wallet-core/src/coinSelection.ts b/packages/taler-wallet-core/src/coinSelection.ts
@@ -76,6 +76,7 @@ import {
   DenominationVerificationStatus,
   WalletDenomination,
 } from "./db/records.js";
+import { timestampAbsoluteFromDb } from "./db/timestamps.js";
 import { hasVerifiedAuditorTrust } from "./auditorTrust.js";
 import {
   checkExchangeInScopeTx,
@@ -2124,6 +2125,17 @@ async function selectPayCandidates(
         continue;
       }
       if (
+        AbsoluteTime.isExpired(
+          timestampAbsoluteFromDb(denom.stampExpireDeposit),
+        )
+      ) {
+        // The exchange no longer accepts deposits of this denomination;
+        // selecting the coin would only get the payment rejected after
+        // the coins were spent.
+        logger.trace("denom can no longer be deposited");
+        continue;
+      }
+      if (
         !checkExchangeAccepted(
           exchangeDetails,
           req.restrictExchanges,