From 1c84b3d4af1a2484e60a9071556d4690dd7aac33 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Sat, 4 Mar 2017 18:09:39 +0100
Subject: implementing #4932

---
 src/exchangedb/exchangedb_fees.c      | 12 ++++++++++--
 src/exchangedb/test_exchangedb_fees.c |  7 +++++--
 2 files changed, 15 insertions(+), 4 deletions(-)

(limited to 'src/exchangedb')

diff --git a/src/exchangedb/exchangedb_fees.c b/src/exchangedb/exchangedb_fees.c
index 5adee5d41..e3e16712d 100644
--- a/src/exchangedb/exchangedb_fees.c
+++ b/src/exchangedb/exchangedb_fees.c
@@ -142,17 +142,22 @@ TALER_EXCHANGEDB_fees_read (const struct GNUNET_CONFIGURATION_Handle *cfg,
 /**
  * Convert @a af to @a wf.
  *
+ * @param wireplugin name of the wire plugin the fees are for
  * @param[in,out] af aggregate fees, host format (updated to round time)
  * @param[out] wf aggregate fees, disk / signature format
  */
 void
-TALER_EXCHANGEDB_fees_2_wf (struct TALER_EXCHANGEDB_AggregateFees *af,
+TALER_EXCHANGEDB_fees_2_wf (const char *wireplugin,
+                            struct TALER_EXCHANGEDB_AggregateFees *af,
                             struct TALER_MasterWireFeePS *wf)
 {
   (void) GNUNET_TIME_round_abs (&af->start_date);
   (void) GNUNET_TIME_round_abs (&af->end_date);
   wf->purpose.size = htonl (sizeof (*wf));
   wf->purpose.purpose = htonl (TALER_SIGNATURE_MASTER_WIRE_FEES);
+  GNUNET_CRYPTO_hash (wireplugin,
+                      strlen (wireplugin) + 1,
+                      &wf->h_wire_method);
   wf->start_date = GNUNET_TIME_absolute_hton (af->start_date);
   wf->end_date = GNUNET_TIME_absolute_hton (af->end_date);
   TALER_amount_hton (&wf->wire_fee,
@@ -164,11 +169,13 @@ TALER_EXCHANGEDB_fees_2_wf (struct TALER_EXCHANGEDB_AggregateFees *af,
  * Write given fee structure to disk.
  *
  * @param filename where to write the fees
+ * @param wireplugin which plugin the fees are about
  * @param af fee structure to write
  * @return #GNUNET_OK on success, #GNUNET_SYSERR on error
  */
 int
 TALER_EXCHANGEDB_fees_write (const char *filename,
+                             const char *wireplugin,
                              struct TALER_EXCHANGEDB_AggregateFees *af)
 {
   struct GNUNET_DISK_FileHandle *fh;
@@ -201,7 +208,8 @@ TALER_EXCHANGEDB_fees_write (const char *filename,
                      GNUNET_DISK_file_close (fh));
       return GNUNET_SYSERR;
     }
-    TALER_EXCHANGEDB_fees_2_wf (af,
+    TALER_EXCHANGEDB_fees_2_wf (wireplugin,
+                                af,
                                 &wd.wf);
     wd.master_sig = af->master_sig;
     af = af->next;
diff --git a/src/exchangedb/test_exchangedb_fees.c b/src/exchangedb/test_exchangedb_fees.c
index b82abc5fd..2bee77452 100644
--- a/src/exchangedb/test_exchangedb_fees.c
+++ b/src/exchangedb/test_exchangedb_fees.c
@@ -36,7 +36,8 @@ sign_af (struct TALER_EXCHANGEDB_AggregateFees *af,
 {
   struct TALER_MasterWireFeePS wf;
 
-  TALER_EXCHANGEDB_fees_2_wf (af,
+  TALER_EXCHANGEDB_fees_2_wf ("test",
+                              af,
                               &wf);
   GNUNET_assert (GNUNET_OK ==
                  GNUNET_CRYPTO_eddsa_sign (priv,
@@ -99,6 +100,7 @@ main (int argc,
 
   if (GNUNET_OK !=
       TALER_EXCHANGEDB_fees_write (tmpfile,
+                                   "test",
                                    af))
   {
     GNUNET_break (0);
@@ -121,7 +123,8 @@ main (int argc,
     {
       struct TALER_MasterWireFeePS wf;
 
-      TALER_EXCHANGEDB_fees_2_wf (p,
+      TALER_EXCHANGEDB_fees_2_wf ("test",
+                                  p,
                                   &wf);
       if (GNUNET_OK !=
           GNUNET_CRYPTO_eddsa_verify (TALER_SIGNATURE_MASTER_WIRE_FEES,
-- 
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