add amount division API and test case

2 files changed, 29 insertions, 0 deletions

diff --git a/src/include/taler_amount_lib.h b/src/include/taler_amount_lib.h
index 5a59c10ce..555894f4b 100644
--- a/src/include/taler_amount_lib.h
+++ b/src/include/taler_amount_lib.h
@@ -252,6 +252,20 @@ TALER_amount_add (struct TALER_Amount *sum,
 
 
 /**
+ * Divide an amount by a float.  Note that this function
+ * may introduce a rounding error!
+ *
+ * @param result where to store @a dividend / @a divisor
+ * @param dividend amount to divide
+ * @param divisor by what to divide, must be positive
+ */
+void
+TALER_amount_divide (struct TALER_Amount *result,
+                     const struct TALER_Amount *dividend,
+                     uint32_t divisor);
+
+
+/**
  * Normalize the given amount.
  *
  * @param amount amount to normalize
diff --git a/src/include/taler_error_codes.h b/src/include/taler_error_codes.h
index e47cff77c..c8a030fac 100644
--- a/src/include/taler_error_codes.h
+++ b/src/include/taler_error_codes.h
@@ -1005,6 +1005,21 @@ enum TALER_ErrorCode
    */
   TALER_EC_PAY_FAILED_COMPUTE_PROPOSAL_HASH = 2123,
 
+  /**
+   * Failed to locate merchant's account information matching the
+   * wire hash given in the proposal.
+   * This response is
+   * provided with HTTP status code MHD_HTTP_INTERNAL_SERVER_ERROR.
+   */
+  TALER_EC_PAY_WIRE_HASH_UNKNOWN = 2124,
+
+  /**
+   * We got different currencies for the wire fee and the maximum wire
+   * fee.  This response is provided with HTTP status code
+   * MHD_HTTP_INTERNAL_SERVER_ERROR.
+   */
+  TALER_EC_PAY_WIRE_FEE_CURRENCY_MISSMATCH = 2125,
+
 
   /**
    * Integer overflow with sepcified timestamp argument detected.