exchange

commit 3f26929ce39b61deeb2a5d37a52cba2ddbbfa514
parent 433e99d4e7be0c9c9a234e43f07e7d30fc80837c
Author: Özgür Kesim <oec@codeblau.de>
Date:   Wed,  7 May 2025 09:04:25 +0200

[testing] add withdraw idempotency scenario

Diffstat:
M
src/testing/test_exchange_api.c
 | 
23
++++++++++++++++-------

1 file changed, 16 insertions(+), 7 deletions(-)
diff --git a/src/testing/test_exchange_api.c b/src/testing/test_exchange_api.c
@@ -145,14 +145,23 @@ run (void *cls,
                                        0, /* age restriction off */
                                        MHD_HTTP_OK),
     /**
-     * Withdraw EUR:1 using the SAME private coin key as for the previous coin
-     * (in violation of the specification, to be detected on spending!).
-     * However, note that this does NOT work with 'CS', as for a different
-     * denomination we get different R0/R1 values from the exchange, and
-     * thus will generate a different coin private key as R0/R1 are hashed
-     * into the coin priv. So here, we fail to 'reuse' the key due to the
-     * cryptographic construction!
+     * Idempotent withdrawal
      */
+    TALER_TESTING_cmd_withdraw_amount_reuse_key ("withdraw-coin-1-idem",
+                                                 "create-reserve-1",
+                                                 "EUR:5",
+                                                 0, /* age restriction off */
+                                                 "withdraw-coin-1",
+                                                 MHD_HTTP_OK),
+    /**
+    * Withdraw EUR:1 using the SAME private coin key as for the previous coin
+    * (in violation of the specification, to be detected on spending!).
+    * However, note that this does NOT work with 'CS', as for a different
+    * denomination we get different R0/R1 values from the exchange, and
+    * thus will generate a different coin private key as R0/R1 are hashed
+    * into the coin priv. So here, we fail to 'reuse' the key due to the
+    * cryptographic construction!
+    */
     TALER_TESTING_cmd_withdraw_amount_reuse_key ("withdraw-coin-1x",
                                                  "create-reserve-1",
                                                  "EUR:1",