introduce refund fee

2 files changed, 19 insertions, 1 deletions

diff --git a/src/include/taler_exchange_service.h b/src/include/taler_exchange_service.h
index e52e94d9a..ffd420586 100644
--- a/src/include/taler_exchange_service.h
+++ b/src/include/taler_exchange_service.h
@@ -122,9 +122,14 @@ struct TALER_EXCHANGE_DenomPublicKey
   struct TALER_Amount fee_deposit;
 
   /**
-   *The applicable fee to melt/refresh a coin of this denomination
+   * The applicable fee to melt/refresh a coin of this denomination
    */
   struct TALER_Amount fee_refresh;
+
+  /**
+   * The applicable fee to refund a coin of this denomination
+   */
+  struct TALER_Amount fee_refund;
 };
 
 
diff --git a/src/include/taler_signatures.h b/src/include/taler_signatures.h
index bd892e793..154e11610 100644
--- a/src/include/taler_signatures.h
+++ b/src/include/taler_signatures.h
@@ -640,6 +640,13 @@ struct TALER_DenominationKeyValidityPS
   struct TALER_AmountNBO fee_refresh;
 
   /**
+   * The fee the exchange charges when a coin of this type is refunded.
+   * (can be zero).  Note that refund fees are charged to the customer;
+   * if a refund is given, the deposit fee is also refunded.
+   */
+  struct TALER_AmountNBO fee_refund;
+
+  /**
    * Hash code of the denomination public key. (Used to avoid having
    * the variable-size RSA key in this struct.)
    */
@@ -736,6 +743,12 @@ struct TALER_ExchangeKeyValidityPS
   struct TALER_AmountNBO fee_refresh;
 
   /**
+   * The fee the exchange charges when a coin of this type is refreshed.
+   * (can be zero).
+   */
+  struct TALER_AmountNBO fee_refund;
+
+  /**
    * Hash code of the denomination public key. (Used to avoid having
    * the variable-size RSA key in this struct.)
    */