[GNUnet-SVN] [taler-merchant] branch master updated: return error instead of crashing on /pay with zero coins

[gnunet]

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dold pushed a commit to branch master
in repository merchant.

The following commit(s) were added to refs/heads/master by this push:
     new be835f4  return error instead of crashing on /pay with zero coins
be835f4 is described below

commit be835f4bb16fa956e03127f294e888f6cf1f8701
Author: Florian Dold <address@hidden>
AuthorDate: Tue Jan 23 19:21:56 2018 +0100

    return error instead of crashing on /pay with zero coins
---
 src/backend/taler-merchant-httpd_pay.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/backend/taler-merchant-httpd_pay.c 
b/src/backend/taler-merchant-httpd_pay.c
index 7f9a234..ca96cae 100644
--- a/src/backend/taler-merchant-httpd_pay.c
+++ b/src/backend/taler-merchant-httpd_pay.c
@@ -625,7 +625,9 @@ check_payment_sufficient (struct PayContext *pc)
   struct TALER_Amount wire_fee_customer_contribution;
   struct TALER_Amount total_wire_fee;
 
-  GNUNET_assert (0 != pc->coins_cnt);
+  if (0 == pc->coins_cnt)
+    return TALER_EC_PAY_PAYMENT_INSUFFICIENT;
+
   acc_fee = pc->dc[0].deposit_fee;
   total_wire_fee = pc->dc[0].wire_fee;
   acc_amount = pc->dc[0].amount_with_fee;

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