From c3cd21508b0900ee5437edb3828b4b7c2f359495 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Wed, 8 Jul 2020 19:36:08 +0200
Subject: synchronize with latest GANA

---
 src/exchangedb/plugin_exchangedb_postgres.c | 42 ++++++++++++++++++-----------
 src/exchangedb/test_exchangedb.c            |  6 ++---
 2 files changed, 30 insertions(+), 18 deletions(-)

(limited to 'src/exchangedb')

diff --git a/src/exchangedb/plugin_exchangedb_postgres.c b/src/exchangedb/plugin_exchangedb_postgres.c
index 0f96f0e86..8e45d6711 100644
--- a/src/exchangedb/plugin_exchangedb_postgres.c
+++ b/src/exchangedb/plugin_exchangedb_postgres.c
@@ -3187,7 +3187,7 @@ postgres_count_known_coins (void *cls,
  * @param coin the coin that must be made known
  * @return database transaction status, non-negative on success
  */
-static enum GNUNET_DB_QueryStatus
+static enum TALER_EXCHANGEDB_CoinKnownStatus
 postgres_ensure_coin_known (void *cls,
                             struct TALER_EXCHANGEDB_Session *session,
                             const struct TALER_CoinPublicInfo *coin)
@@ -3207,33 +3207,45 @@ postgres_ensure_coin_known (void *cls,
 #endif
 
   /* check if the coin is already known */
+  // FIXME: modify to not also fetch the RSA signature, needlessly costly!
   qs = postgres_get_known_coin (pc,
                                 session,
                                 &coin->coin_pub,
                                 &known_coin);
-  if (0 > qs)
-  {
-    GNUNET_break (GNUNET_DB_STATUS_SOFT_ERROR == qs);
-    return GNUNET_SYSERR;
-  }
-  if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT == qs)
+  switch (qs)
   {
+  case GNUNET_DB_STATUS_HARD_ERROR:
+    return TALER_EXCHANGEDB_CKS_SOFT_FAIL;
+  case GNUNET_DB_STATUS_SOFT_ERROR:
+    return TALER_EXCHANGEDB_CKS_HARD_FAIL;
+  case GNUNET_DB_STATUS_SUCCESS_ONE_RESULT:
     GNUNET_CRYPTO_rsa_signature_free (known_coin.denom_sig.rsa_signature);
-    return GNUNET_DB_STATUS_SUCCESS_NO_RESULTS;   /* no change! */
+    if (0 == GNUNET_memcmp (&known_coin.denom_pub_hash,
+                            &coin->denom_pub_hash))
+      return TALER_EXCHANGEDB_CKS_PRESENT;
+    GNUNET_break_op (0);
+    return TALER_EXCHANGEDB_CKS_CONFLICT;
+  case GNUNET_DB_STATUS_SUCCESS_NO_RESULTS:
+    break;
   }
-  GNUNET_assert (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS == qs);
+
   /* if not known, insert it */
   qs = insert_known_coin (pc,
                           session,
                           coin);
-  if (0 >= qs)
+  switch (qs)
   {
-    if (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS == qs)
-      qs = GNUNET_DB_STATUS_HARD_ERROR;   /* should be impossible */
-    GNUNET_break (GNUNET_DB_STATUS_SOFT_ERROR == qs);
-    return qs;
+  case GNUNET_DB_STATUS_HARD_ERROR:
+    return TALER_EXCHANGEDB_CKS_SOFT_FAIL;
+  case GNUNET_DB_STATUS_SOFT_ERROR:
+    return TALER_EXCHANGEDB_CKS_HARD_FAIL;
+  case GNUNET_DB_STATUS_SUCCESS_NO_RESULTS:
+    GNUNET_break (0);
+    return TALER_EXCHANGEDB_CKS_HARD_FAIL;
+  case GNUNET_DB_STATUS_SUCCESS_ONE_RESULT:
+    break;
   }
-  return qs;
+  return TALER_EXCHANGEDB_CKS_ADDED;
 }
 
 
diff --git a/src/exchangedb/test_exchangedb.c b/src/exchangedb/test_exchangedb.c
index 8567c87cb..c9b5c6ce7 100644
--- a/src/exchangedb/test_exchangedb.c
+++ b/src/exchangedb/test_exchangedb.c
@@ -559,7 +559,7 @@ test_melting (struct TALER_EXCHANGEDB_Session *session)
                             session,
                             &refresh_session.rc,
                             &ret_refresh_session));
-  FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
+  FAILIF (TALER_EXCHANGEDB_CKS_ADDED !=
           plugin->ensure_coin_known (plugin->cls,
                                      session,
                                      &refresh_session.coin));
@@ -1746,7 +1746,7 @@ run (void *cls)
   deposit.coin.denom_sig = cbc.sig;
   deadline = GNUNET_TIME_absolute_get ();
   (void) GNUNET_TIME_round_abs (&deadline);
-  FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
+  FAILIF (TALER_EXCHANGEDB_CKS_ADDED !=
           plugin->ensure_coin_known (plugin->cls,
                                      session,
                                      &deposit.coin));
@@ -1921,7 +1921,7 @@ run (void *cls)
   deposit.refund_deadline = deadline;
   deposit.wire_deadline = deadline;
   result = 8;
-  FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
+  FAILIF (TALER_EXCHANGEDB_CKS_ADDED !=
           plugin->ensure_coin_known (plugin->cls,
                                      session,
                                      &deposit.coin));
-- 
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