early stop when currency doesn't match

1 files changed, 10 insertions, 0 deletions

diff --git a/talerbank/app/views.py b/talerbank/app/views.py
index 63387b7..f75d08b 100644
--- a/talerbank/app/views.py
+++ b/talerbank/app/views.py
@@ -905,6 +905,16 @@ def twg_add_incoming(request, user_account, acct_id):
     debit_account = BankAccount.objects.get(user=debit_user)
     subject = f"{reserve_pub}"
 
+    # check if currency is acceptable
+    if amount.currency != settings.TALER_CURRENCY:
+        return JsonResponse(
+            {
+                "code": 30, # TALER_EC_BANK_DUPLICATE_RESERVE_PUB_SUBJECT
+                "hint": "The specified currency is not supported."
+            },
+            status=HTTPStatus.CONFLICT
+        )
+
     # check if reserve pub exists already.
     try:
         BankTransaction.objects.get(subject=subject)