taler-typescript-core

commit 777337f04a5bc68889c5c8e30ea47a06624b7f8d
parent a3317d6a37f3b90b76026e9a058ae08d39b88766
Author: Iván Ávalos <avalos@disroot.org>
Date:   Wed,  2 Jul 2025 20:15:25 +0200

wallet-core: attempt to resolve currency for v1 contract

Diffstat:
M
packages/taler-wallet-core/src/pay-merchant.ts
 | 
13
+++++++++++++

1 file changed, 13 insertions(+), 0 deletions(-)
diff --git a/packages/taler-wallet-core/src/pay-merchant.ts b/packages/taler-wallet-core/src/pay-merchant.ts
@@ -227,6 +227,7 @@ export class PayMerchantTransactionContext implements TransactionContext {
       await tx.transactionsMeta.delete(this.transactionId);
       return;
     }
+
     await tx.transactionsMeta.put({
       transactionId: this.transactionId,
       status: purchaseRec.purchaseStatus,
@@ -1212,6 +1213,18 @@ async function processDownloadProposal(
         contractData.version === MerchantContractVersion.V0
       ) {
         currency = Amounts.currencyOf(contractData.amount);
+      } else if (contractData.version === MerchantContractVersion.V1) {
+        // if there is only one choice, or all choices have the same currency
+        if (contractData.choices.length === 1) {
+          currency = Amounts.currencyOf(contractData.choices[0].amount);
+        } else if (contractData.choices.length > 1) {
+          const firstCurrency = Amounts.currencyOf(contractData.choices[0].amount);
+          const allSame = contractData.choices.every((c) =>
+            Amounts.currencyOf(c.amount) === firstCurrency);
+          if (allSame) {
+            currency = firstCurrency;
+          }
+        }
       }
 
       p.download = {