taler-mdb

commit 583b2f7d6537e57e072d60cf9979e3fe4ec98c62
parent e4245d88e28d9678980593809e367bab82f1275c
Author: Christian Grothoff <christian@grothoff.org>
Date:   Thu,  5 Dec 2019 16:49:09 +0100

add auto_refund information to contract

Diffstat:
M
src/Makefile.am
 | 
1
+
M
src/main.c
 | 
23
++++++++++++++++++-----

2 files changed, 19 insertions(+), 5 deletions(-)
diff --git a/src/Makefile.am b/src/Makefile.am
@@ -12,6 +12,7 @@ taler_nfc_LDADD = \
   -ltalermerchant \
   -ltalerjson \
   -ltalerutil \
+  -lgnunetjson \
   -lgnunetcurl \
   -lgnunetutil \
   -ljansson \
diff --git a/src/main.c b/src/main.c
@@ -44,6 +44,7 @@ along with
 #include <nfc/nfc.h>
 #include <microhttpd.h>
 #include <gnunet/gnunet_util_lib.h>
+#include <gnunet/gnunet_json_lib.h>
 #include <taler/taler_json_lib.h>
 #include <taler/taler_merchant_service.h>
 #if HAVE_QRENCODE_H             /* for adafruit pitft display */
@@ -70,6 +71,18 @@ along with
 #define MAX_HTTP_RETRY_FREQ GNUNET_TIME_relative_multiply ( \
     GNUNET_TIME_UNIT_MILLISECONDS, 500)
 
+#define MAX_HTTP_RETRY_FREQ GNUNET_TIME_relative_multiply ( \
+    GNUNET_TIME_UNIT_MILLISECONDS, 500)
+
+/**
+ * How long could it take at most for us to notify the Taler merchant
+ * backend to grant a refund to a user if dispensing the product
+ * failed? (Very conservative value here, for vending machines brewing
+ * coffee or something complex that could fail.)
+ */
+#define MAX_REFUND_DELAY GNUNET_TIME_relative_multiply ( \
+    GNUNET_TIME_UNIT_MINUTES, 5)
+
 /**
  * Code returned by libnfc in case of success.
  */
@@ -85,9 +98,6 @@ along with
 #define UID_LEN_LOWER 4
 
 
-/* curl auth header */
-#define SNACK_CURL_AUTH_HEADER "Authorization"
-
 /**
  * @brief FRAMEBUFFER_DEVICE framebuffer device to diplay qr code
  */
@@ -276,6 +286,7 @@ show_qrcode (const char *uri)
     write (qrDisplay.backlightfd, "1", 1);
 }
 
+
 #endif
 
 
@@ -743,10 +754,12 @@ launch_payment (const struct Product *product)
                    uuid_s);
   GNUNET_free (uuid_s);
   /* create the json object for the order request */
-  orderReq = json_pack ("{ s:s, s:o, s:s }",
+  orderReq = json_pack ("{ s:s, s:o, s:s, s:o }",
                         "summary", product->description,
                         "amount", TALER_JSON_from_amount (&product->price),
-                        "fulfillment_url", fulflmntUrl);
+                        "fulfillment_url", fulflmntUrl,
+                        "auto_refund", GNUNET_JSON_from_time_rel (
+                          MAX_REFUND_DELAY));
   GNUNET_free (fulflmntUrl);
   if (NULL == orderReq)
   {