wallet-core: fix computation of timestamp for exchange update

2 files changed, 13 insertions, 1 deletions

diff --git a/packages/taler-wallet-core/src/db.ts b/packages/taler-wallet-core/src/db.ts
index 4296d0503..07e0f4b0a 100644
--- a/packages/taler-wallet-core/src/db.ts
+++ b/packages/taler-wallet-core/src/db.ts
@@ -539,6 +539,10 @@ export interface ExchangeRecord {
    */
   nextRefreshCheck: Timestamp;
 
+  /**
+   * Last error (if any) for fetching updated information about the
+   * exchange.
+   */
   lastError?: TalerErrorDetails;
 
   /**
diff --git a/packages/taler-wallet-core/src/operations/pending.ts b/packages/taler-wallet-core/src/operations/pending.ts
index a87b1c8b1..e3d22bfe6 100644
--- a/packages/taler-wallet-core/src/operations/pending.ts
+++ b/packages/taler-wallet-core/src/operations/pending.ts
@@ -52,10 +52,18 @@ async function gatherExchangePending(
   resp: PendingOperationsResponse,
 ): Promise<void> {
   await tx.exchanges.iter().forEachAsync(async (e) => {
+    let exchangeUpdateTimestampDue: Timestamp;
+
+    if (e.lastError) {
+      exchangeUpdateTimestampDue = e.retryInfo.nextRetry;
+    } else {
+      exchangeUpdateTimestampDue = e.nextUpdate;
+    }
+
     resp.pendingOperations.push({
       type: PendingTaskType.ExchangeUpdate,
       givesLifeness: false,
-      timestampDue: e.nextUpdate,
+      timestampDue: exchangeUpdateTimestampDue,
       exchangeBaseUrl: e.baseUrl,
       lastError: e.lastError,
     });