[taler-exchange] 12/152: return fee as well

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grothoff pushed a commit to branch master
in repository exchange.

commit af52541eacf5305977701fa24a530797994feb19
Author: Christian Grothoff <christian@grothoff.org>
AuthorDate: Tue May 5 22:17:16 2020 +0200

    return fee as well
---
 src/include/taler_error_codes.h      | 19 +++++++++++++++++++
 src/include/taler_exchange_service.h |  2 ++
 src/lib/exchange_api_refund.c        |  4 +++-
 src/testing/testing_api_cmd_refund.c |  3 +++
 4 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/src/include/taler_error_codes.h b/src/include/taler_error_codes.h
index f75464c3..74660303 100644
--- a/src/include/taler_error_codes.h
+++ b/src/include/taler_error_codes.h
@@ -2198,6 +2198,25 @@ enum TALER_ErrorCode
    */
   TALER_EC_TIP_PICKUP_UNBLIND_FAILURE = 2812,
 
+  /**
+   * We failed to fetch contract terms from our merchant database. The
+   * response is provided with HTTP status code
+   * #MHD_HTTP_INTERNAL_SERVER_ERROR.
+   */
+  TALER_EC_GET_ORDERS_DB_LOOKUP_ERROR = 2900,
+
+  /**
+   * We failed to find the contract terms from our merchant database.
+   * The response is provided with HTTP status code #MHD_HTTP_NOT_FOUND.
+   */
+  TALER_EC_GET_ORDERS_ID_UNKNOWN = 2901,
+
+  /**
+   * The contract hash provided by the wallet does not match the order.
+   * The response is provided with HTTP status code #MHD_HTTP_FORBIDDEN.
+   */
+  TALER_EC_GET_ORDERS_WRONG_CONTRACT = 2902,
+
   /**
    * We failed to contract terms from our merchant database. The
    * response is provided with HTTP status code
diff --git a/src/include/taler_exchange_service.h 
b/src/include/taler_exchange_service.h
index f94b8253..82b9b83d 100644
--- a/src/include/taler_exchange_service.h
+++ b/src/include/taler_exchange_service.h
@@ -851,6 +851,7 @@ struct TALER_EXCHANGE_RefundHandle;
  *
  * @param cls closure
  * @param hr HTTP response data
+ * @param refund_fee the refund fee the exchange charged us
  * @param sign_key exchange key used to sign @a obj, or NULL
  * @param signature the actual signature, or NULL on error
  */
@@ -858,6 +859,7 @@ typedef void
 (*TALER_EXCHANGE_RefundCallback) (
   void *cls,
   const struct TALER_EXCHANGE_HttpResponse *hr,
+  const struct TALER_Amount *refund_fee,
   const struct TALER_ExchangePublicKeyP *sign_key,
   const struct TALER_ExchangeSignatureP *signature);
 
diff --git a/src/lib/exchange_api_refund.c b/src/lib/exchange_api_refund.c
index 9cb8794d..b1ea176b 100644
--- a/src/lib/exchange_api_refund.c
+++ b/src/lib/exchange_api_refund.c
@@ -92,7 +92,6 @@ verify_refund_signature_ok (struct 
TALER_EXCHANGE_RefundHandle *rh,
                             const json_t *json,
                             struct TALER_ExchangePublicKeyP *exchange_pub,
                             struct TALER_ExchangeSignatureP *exchange_sig)
-
 {
   const struct TALER_EXCHANGE_Keys *key_state;
   struct GNUNET_JSON_Specification spec[] = {
@@ -149,6 +148,7 @@ handle_refund_finished (void *cls,
   struct TALER_ExchangeSignatureP exchange_sig;
   struct TALER_ExchangePublicKeyP *ep = NULL;
   struct TALER_ExchangeSignatureP *es = NULL;
+  struct TALER_Amount *rf = NULL;
   const json_t *j = response;
   struct TALER_EXCHANGE_HttpResponse hr = {
     .reply = j,
@@ -176,6 +176,7 @@ handle_refund_finished (void *cls,
     {
       ep = &exchange_pub;
       es = &exchange_sig;
+      rf = &rh->depconf.refund_fee;
     }
     break;
   case MHD_HTTP_BAD_REQUEST:
@@ -234,6 +235,7 @@ handle_refund_finished (void *cls,
   }
   rh->cb (rh->cb_cls,
           &hr,
+          rf,
           ep,
           es);
   TALER_EXCHANGE_refund_cancel (rh);
diff --git a/src/testing/testing_api_cmd_refund.c 
b/src/testing/testing_api_cmd_refund.c
index c27311fb..e662ace2 100644
--- a/src/testing/testing_api_cmd_refund.c
+++ b/src/testing/testing_api_cmd_refund.c
@@ -76,6 +76,7 @@ struct RefundState
  *
  * @param cls closure
  * @param hr HTTP response details
+ * @param refund_fee the refund fee the exchange charged
  * @param exchange_pub public key the exchange
  *        used for signing @a obj.
  * @param exchange_sig actual signature confirming the refund
@@ -83,6 +84,7 @@ struct RefundState
 static void
 refund_cb (void *cls,
            const struct TALER_EXCHANGE_HttpResponse *hr,
+           const struct TALER_Amount *refund_fee,
            const struct TALER_ExchangePublicKeyP *exchange_pub,
            const struct TALER_ExchangeSignatureP *exchange_sig)
 {
@@ -90,6 +92,7 @@ refund_cb (void *cls,
   struct RefundState *rs = cls;
   struct TALER_TESTING_Command *refund_cmd;
 
+  (void) refund_fee;
   refund_cmd = &rs->is->commands[rs->is->ip];
   rs->rh = NULL;
   if (rs->expected_response_code != hr->http_status)

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