merchant

commit 85a02216d8a1926f2a528e0bae64c76410a6263d
parent d37e16a76c32e83407f5ea71e572cc5469a58924
Author: Christian Grothoff <christian@grothoff.org>
Date:   Mon,  6 Jul 2020 10:52:24 +0200

fix #5930

Diffstat:
M
src/backend/taler-merchant-httpd_private-post-orders.c
 | 
11
++++++++++-

1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/src/backend/taler-merchant-httpd_private-post-orders.c b/src/backend/taler-merchant-httpd_private-post-orders.c
@@ -673,9 +673,18 @@ patch_order (struct MHD_Connection *connection,
 
 
   /* Fill in merchant information if necessary */
-  if (NULL == json_object_get (order,
+  if (NULL != json_object_get (order,
                                "merchant"))
   {
+    GNUNET_break_op (0);
+    return TALER_MHD_reply_with_error (
+      connection,
+      MHD_HTTP_BAD_REQUEST,
+      TALER_EC_PROPOSAL_ORDER_PARSE_ERROR,
+      "'merchant' field already set, but must be provided by backend");
+  }
+  else
+  {
     const char *mj = NULL;
     const char *ma = NULL;
     json_t *locations;