taler-typescript-core

commit 024f306a20b7dfe583a7c5e70fb465e20b662007
parent f47eb200e2146651a54e4943dfb7ae17ddb07d15
Author: Iván Ávalos <avalos@disroot.org>
Date:   Wed,  7 May 2025 14:11:17 +0200

wallet-core: fix token_sigs length verification

Diffstat:
M
packages/taler-wallet-core/src/pay-merchant.ts
 | 
6
++++--

1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/packages/taler-wallet-core/src/pay-merchant.ts b/packages/taler-wallet-core/src/pay-merchant.ts
@@ -3410,8 +3410,10 @@ async function processPurchasePay(
       throw Error("merchant payment signature invalid");
     }
 
-    if (slates?.length !== merchantResp.token_sigs?.length) {
-      throw Error("merchant returned mismatching number of token signatures");
+    const slatesLen = slates?.length ?? 0;
+    const sigsLen = merchantResp.token_sigs?.length ?? 0;
+    if (slatesLen !== sigsLen) {
+      throw Error(`merchant returned mismatching number of token signatures (${slatesLen} vs ${sigsLen})`);
     } else if (slates && merchantResp.token_sigs) {
       for (let i = 0; i < slates.length; i++) {
         const slate = slates[i];