initialize melt_fee in the TALER_MINT_RefreshMelt struct

3 files changed, 11 insertions, 2 deletions

diff --git a/src/mint/taler-mint-httpd_db.c b/src/mint/taler-mint-httpd_db.c
index 04c2555e..2a4c1674 100644
--- a/src/mint/taler-mint-httpd_db.c
+++ b/src/mint/taler-mint-httpd_db.c
@@ -582,6 +582,7 @@ refresh_accept_melts (struct MHD_Connection *connection,
   melt.coin_sig = coin_details->melt_sig;
   melt.session_hash = *session_hash;
   melt.amount_with_fee = coin_details->melt_amount_with_fee;
+  melt.melt_fee = coin_details->melt_fee;
   if (GNUNET_OK !=
       TMH_plugin->insert_refresh_melt (TMH_plugin->cls,
                                        session,
diff --git a/src/mint/taler-mint-httpd_db.h b/src/mint/taler-mint-httpd_db.h
index c2f9a310..59976217 100644
--- a/src/mint/taler-mint-httpd_db.h
+++ b/src/mint/taler-mint-httpd_db.h
@@ -99,6 +99,12 @@ struct TMH_DB_MeltDetails
    * to the melt is this value minus the fee for melting the coin.
    */
   struct TALER_Amount melt_amount_with_fee;
+
+  /**
+   * What fee is earned by the mint?  Set delayed during
+   * #verify_coin_public_info().
+   */
+  struct TALER_Amount melt_fee;
 };
 
 
diff --git a/src/mint/taler-mint-httpd_refresh.c b/src/mint/taler-mint-httpd_refresh.c
index 625fcc50..fcd84308 100644
--- a/src/mint/taler-mint-httpd_refresh.c
+++ b/src/mint/taler-mint-httpd_refresh.c
@@ -223,7 +223,8 @@ get_coin_public_info (struct MHD_Connection *connection,
  *
  * @param connection the connection to send error responses to
  * @param session_hash hash over refresh session the coin is melted into
- * @param melt_detail details about the coin's melting permission (if valid)
+ * @param[in,out] melt_detail details about the coin's melting permission,
+ *                            the `melt_fee` is updated
  * @return #GNUNET_YES if coin public info in JSON was valid
  *         #GNUNET_NO JSON was invalid, response was generated
  *         #GNUNET_SYSERR on internal error
@@ -231,7 +232,7 @@ get_coin_public_info (struct MHD_Connection *connection,
 static int
 verify_coin_public_info (struct MHD_Connection *connection,
                          const struct GNUNET_HashCode *session_hash,
-                         const struct TMH_DB_MeltDetails *melt_detail)
+                         struct TMH_DB_MeltDetails *melt_detail)
 {
   struct TALER_RefreshMeltCoinAffirmationPS body;
   struct TMH_KS_StateHandle *key_state;
@@ -253,6 +254,7 @@ verify_coin_public_info (struct MHD_Connection *connection,
      valid for issuing! (#3634) */
   TALER_amount_ntoh (&fee_refresh,
                      &dki->issue.properties.fee_refresh);
+  melt_detail->melt_fee = fee_refresh;
   body.purpose.size = htonl (sizeof (struct TALER_RefreshMeltCoinAffirmationPS));
   body.purpose.purpose = htonl (TALER_SIGNATURE_WALLET_COIN_MELT);
   body.session_hash = *session_hash;