wallet-core: implement insufficient balance details

For now, only for merchant payments

1 files changed, 4 insertions, 0 deletions

diff --git a/packages/taler-wallet-core/src/wallet.ts b/packages/taler-wallet-core/src/wallet.ts
index 1defff0d2..e15c6110c 100644
--- a/packages/taler-wallet-core/src/wallet.ts
+++ b/packages/taler-wallet-core/src/wallet.ts
@@ -1178,6 +1178,9 @@ async function dispatchRequestInternal<Op extends WalletApiOperation>(
     }
     case WalletApiOperation.ForceRefresh: {
       const req = codecForForceRefreshRequest().decode(payload);
+      if (req.coinPubList.length == 0) {
+        throw Error("refusing to create empty refresh group");
+      }
       const refreshGroupId = await ws.db
         .mktx((x) => [
           x.refreshGroups,
@@ -1207,6 +1210,7 @@ async function dispatchRequestInternal<Op extends WalletApiOperation>(
           return await createRefreshGroup(
             ws,
             tx,
+            Amounts.currencyOf(coinPubs[0].amount),
             coinPubs,
             RefreshReason.Manual,
           );