move a few more functions

src/exchangedb/Makefile.am

@@ -71,6 +71,8 @@ libtaler_plugin_exchangedb_postgres_la_SOURCES = \
   plugin_exchangedb_postgres.c pg_helper.h \
   pg_do_reserve_open.c pg_do_reserve_open.h \
   pg_do_withdraw.h pg_do_withdraw.c \
+  pg_iterate_active_signkeys.h pg_iterate_active_signkeys.c \
+  pg_commit.h pg_commit.c \
   pg_get_coin_transactions.c pg_get_coin_transactions.h \
   pg_get_expired_reserves.c pg_get_expired_reserves.h \
   pg_get_purse_request.c pg_get_purse_request.h \

src/exchangedb/pg_commit.c

@@ -0,0 +1,58 @@
+/*
+   This file is part of TALER
+   Copyright (C) 2022 Taler Systems SA
+
+   TALER is free software; you can redistribute it and/or modify it under the
+   terms of the GNU General Public License as published by the Free Software
+   Foundation; either version 3, or (at your option) any later version.
+
+   TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+   A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License along with
+   TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+/**
+ * @file exchangedb/pg_commit.c
+ * @brief Implementation of the commit function for Postgres
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include "taler_error_codes.h"
+#include "taler_dbevents.h"
+#include "taler_pq_lib.h"
+#include "pg_commit.h"
+#include "pg_helper.h"
+
+
+/**
+ * Commit the current transaction of a database connection.
+ *
+ * @param cls the `struct PostgresClosure` with the plugin-specific state
+ * @return final transaction status
+ */
+enum GNUNET_DB_QueryStatus
+TEH_PG_commit (void *cls)
+{
+  struct PostgresClosure *pg = cls;
+  struct GNUNET_PQ_QueryParam params[] = {
+    GNUNET_PQ_query_param_end
+  };
+  enum GNUNET_DB_QueryStatus qs;
+
+  GNUNET_break (NULL != pg->transaction_name);
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Committing transaction `%s'\n",
+              pg->transaction_name);
+   /* used in #postgres_commit */
+  PREPARE (pg,
+           "do_commit",
+           "COMMIT");
+
+  qs = GNUNET_PQ_eval_prepared_non_select (pg->conn,
+                                           "do_commit",
+                                           params);
+  pg->transaction_name = NULL;
+  return qs;
+}

src/exchangedb/pg_commit.h

@@ -0,0 +1,37 @@
+/*
+   This file is part of TALER
+   Copyright (C) 2022 Taler Systems SA
+
+   TALER is free software; you can redistribute it and/or modify it under the
+   terms of the GNU General Public License as published by the Free Software
+   Foundation; either version 3, or (at your option) any later version.
+
+   TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+   A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License along with
+   TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+/**
+ * @file exchangedb/pg_commit.h
+ * @brief implementation of the commit function for Postgres
+ * @author Christian Grothoff
+ */
+#ifndef PG_COMMIT_H
+#define PG_COMMIT_H
+
+#include "taler_util.h"
+#include "taler_json_lib.h"
+#include "taler_exchangedb_plugin.h"
+
+/**
+ * Commit the current transaction of a database connection.
+ *
+ * @param cls the `struct PostgresClosure` with the plugin-specific state
+ * @return final transaction status
+ */
+enum GNUNET_DB_QueryStatus
+TEH_PG_commit (void *cls);
+
+#endif

src/exchangedb/pg_do_withdraw.c

@@ -0,0 +1,86 @@
+/*
+   This file is part of TALER
+   Copyright (C) 2022 Taler Systems SA
+
+   TALER is free software; you can redistribute it and/or modify it under the
+   terms of the GNU General Public License as published by the Free Software
+   Foundation; either version 3, or (at your option) any later version.
+
+   TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+   A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License along with
+   TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+/**
+ * @file exchangedb/pg_do_withdraw.c
+ * @brief Implementation of the do_withdraw function for Postgres
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include "taler_error_codes.h"
+#include "taler_dbevents.h"
+#include "taler_pq_lib.h"
+#include "pg_do_withdraw.h"
+#include "pg_helper.h"
+
+
+enum GNUNET_DB_QueryStatus
+TEH_PG_do_withdraw (
+  void *cls,
+  const struct TALER_CsNonce *nonce,
+  const struct TALER_EXCHANGEDB_CollectableBlindcoin *collectable,
+  struct GNUNET_TIME_Timestamp now,
+  bool *found,
+  bool *balance_ok,
+  bool *nonce_ok,
+  uint64_t *ruuid)
+{
+  struct PostgresClosure *pg = cls;
+  struct GNUNET_TIME_Timestamp gc;
+  struct GNUNET_PQ_QueryParam params[] = {
+    NULL == nonce
+    ? GNUNET_PQ_query_param_null ()
+    : GNUNET_PQ_query_param_auto_from_type (nonce),
+    TALER_PQ_query_param_amount (&collectable->amount_with_fee),
+    GNUNET_PQ_query_param_auto_from_type (&collectable->denom_pub_hash),
+    GNUNET_PQ_query_param_auto_from_type (&collectable->reserve_pub),
+    GNUNET_PQ_query_param_auto_from_type (&collectable->reserve_sig),
+    GNUNET_PQ_query_param_auto_from_type (&collectable->h_coin_envelope),
+    TALER_PQ_query_param_blinded_denom_sig (&collectable->sig),
+    GNUNET_PQ_query_param_timestamp (&now),
+    GNUNET_PQ_query_param_timestamp (&gc),
+    GNUNET_PQ_query_param_end
+  };
+  struct GNUNET_PQ_ResultSpec rs[] = {
+    GNUNET_PQ_result_spec_bool ("reserve_found",
+                                found),
+    GNUNET_PQ_result_spec_bool ("balance_ok",
+                                balance_ok),
+    GNUNET_PQ_result_spec_bool ("nonce_ok",
+                                nonce_ok),
+    GNUNET_PQ_result_spec_uint64 ("ruuid",
+                                  ruuid),
+    GNUNET_PQ_result_spec_end
+  };
+
+  PREPARE (pg,
+           "call_withdraw",
+           "SELECT "
+           " reserve_found"
+           ",balance_ok"
+           ",nonce_ok"
+           ",ruuid"
+           " FROM exchange_do_withdraw"
+           " ($1,$2,$3,$4,$5,$6,$7,$8,$9,$10);");
+  gc = GNUNET_TIME_absolute_to_timestamp (
+    GNUNET_TIME_absolute_add (now.abs_time,
+                              pg->legal_reserve_expiration_time));
+  return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
+                                                   "call_withdraw",
+                                                   params,
+                                                   rs);
+}
+
+

src/exchangedb/pg_do_withdraw.h

@@ -0,0 +1,53 @@
+/*
+   This file is part of TALER
+   Copyright (C) 2022 Taler Systems SA
+
+   TALER is free software; you can redistribute it and/or modify it under the
+   terms of the GNU General Public License as published by the Free Software
+   Foundation; either version 3, or (at your option) any later version.
+
+   TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+   A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License along with
+   TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+/**
+ * @file exchangedb/pg_do_withdraw.h
+ * @brief implementation of the do_withdraw function for Postgres
+ * @author Christian Grothoff
+ */
+#ifndef PG_DO_WITHDRAW_H
+#define PG_DO_WITHDRAW_H
+
+#include "taler_util.h"
+#include "taler_json_lib.h"
+#include "taler_exchangedb_plugin.h"
+
+/**
+ * Perform withdraw operation, checking for sufficient balance
+ * and possibly persisting the withdrawal details.
+ *
+ * @param cls the `struct PostgresClosure` with the plugin-specific state
+ * @param nonce client-contributed input for CS denominations that must be checked for idempotency, or NULL for non-CS withdrawals
+ * @param[in,out] collectable corresponding collectable coin (blind signature) if a coin is found; possibly updated if a (different) signature exists already
+ * @param now current time (rounded)
+ * @param[out] found set to true if the reserve was found
+ * @param[out] balance_ok set to true if the balance was sufficient
+ * @param[out] nonce_ok set to false if the nonce was reused
+ * @param[out] ruuid set to the reserve's UUID (reserves table row)
+ * @return query execution status
+ */
+enum GNUNET_DB_QueryStatus
+TEH_PG_do_withdraw (
+  void *cls,
+  const struct TALER_CsNonce *nonce,
+  const struct TALER_EXCHANGEDB_CollectableBlindcoin *collectable,
+  struct GNUNET_TIME_Timestamp now,
+  bool *found,
+  bool *balance_ok,
+  bool *nonce_ok,
+  uint64_t *ruuid);
+
+#endif

src/exchangedb/pg_iterate_active_signkeys.c

@@ -0,0 +1,145 @@
+/*
+   This file is part of TALER
+   Copyright (C) 2022 Taler Systems SA
+
+   TALER is free software; you can redistribute it and/or modify it under the
+   terms of the GNU General Public License as published by the Free Software
+   Foundation; either version 3, or (at your option) any later version.
+
+   TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+   A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License along with
+   TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+/**
+ * @file exchangedb/pg_iterate_active_signkeys.c
+ * @brief Implementation of the iterate_active_signkeys function for Postgres
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include "taler_error_codes.h"
+#include "taler_dbevents.h"
+#include "taler_pq_lib.h"
+#include "pg_iterate_active_signkeys.h"
+#include "pg_helper.h"
+
+
+
+/**
+ * Closure for #signkeys_cb_helper()
+ */
+struct SignkeysIteratorContext
+{
+  /**
+   * Function to call with the results.
+   */
+  TALER_EXCHANGEDB_ActiveSignkeysCallback cb;
+
+  /**
+   * Closure to pass to @e cb
+   */
+  void *cb_cls;
+
+};
+
+
+/**
+ * Helper function for #postgres_iterate_active_signkeys().
+ * Calls the callback with each signkey.
+ *
+ * @param cls a `struct SignkeysIteratorContext`
+ * @param result db results
+ * @param num_results number of results in @a result
+ */
+static void
+signkeys_cb_helper (void *cls,
+                    PGresult *result,
+                    unsigned int num_results)
+{
+  struct SignkeysIteratorContext *dic = cls;
+
+  for (unsigned int i = 0; i<num_results; i++)
+  {
+    struct TALER_EXCHANGEDB_SignkeyMetaData meta;
+    struct TALER_ExchangePublicKeyP exchange_pub;
+    struct TALER_MasterSignatureP master_sig;
+    struct GNUNET_PQ_ResultSpec rs[] = {
+      GNUNET_PQ_result_spec_auto_from_type ("master_sig",
+                                            &master_sig),
+      GNUNET_PQ_result_spec_auto_from_type ("exchange_pub",
+                                            &exchange_pub),
+      GNUNET_PQ_result_spec_timestamp ("valid_from",
+                                       &meta.start),
+      GNUNET_PQ_result_spec_timestamp ("expire_sign",
+                                       &meta.expire_sign),
+      GNUNET_PQ_result_spec_timestamp ("expire_legal",
+                                       &meta.expire_legal),
+      GNUNET_PQ_result_spec_end
+    };
+
+    if (GNUNET_OK !=
+        GNUNET_PQ_extract_result (result,
+                                  rs,
+                                  i))
+    {
+      GNUNET_break (0);
+      return;
+    }
+    dic->cb (dic->cb_cls,
+             &exchange_pub,
+             &meta,
+             &master_sig);
+  }
+}
+
+
+/**
+ * Function called to invoke @a cb on every non-revoked exchange signing key
+ * that has been signed by the master key.  Revoked and (for signing!)
+ * expired keys are skipped. Runs in its own read-only transaction.
+ *
+ * @param cls the @e cls of this struct with the plugin-specific state
+ * @param cb function to call on each signing key
+ * @param cb_cls closure for @a cb
+ * @return transaction status code
+ */
+enum GNUNET_DB_QueryStatus
+TEH_PG_iterate_active_signkeys (void *cls,
+                                  TALER_EXCHANGEDB_ActiveSignkeysCallback cb,
+                                  void *cb_cls)
+{
+  struct PostgresClosure *pg = cls;
+  struct GNUNET_TIME_Absolute now = {0};
+  struct GNUNET_PQ_QueryParam params[] = {
+    GNUNET_PQ_query_param_absolute_time (&now),
+    GNUNET_PQ_query_param_end
+  };
+  struct SignkeysIteratorContext dic = {
+    .cb = cb,
+    .cb_cls = cb_cls,
+  };
+ 
+  PREPARE (pg,
+           "select_signkeys",
+           "SELECT"
+           " master_sig"
+           ",exchange_pub"
+           ",valid_from"
+           ",expire_sign"
+           ",expire_legal"
+           " FROM exchange_sign_keys esk"
+           " WHERE"
+           "   expire_sign > $1"
+           " AND NOT EXISTS "
+           "  (SELECT esk_serial "
+           "     FROM signkey_revocations skr"
+           "    WHERE esk.esk_serial = skr.esk_serial);");
+  now = GNUNET_TIME_absolute_get ();
+  return GNUNET_PQ_eval_prepared_multi_select (pg->conn,
+                                               "select_signkeys",
+                                               params,
+                                               &signkeys_cb_helper,
+                                               &dic);
+}

src/exchangedb/pg_iterate_active_signkeys.h

@@ -0,0 +1,43 @@
+/*
+   This file is part of TALER
+   Copyright (C) 2022 Taler Systems SA
+
+   TALER is free software; you can redistribute it and/or modify it under the
+   terms of the GNU General Public License as published by the Free Software
+   Foundation; either version 3, or (at your option) any later version.
+
+   TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+   A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License along with
+   TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+/**
+ * @file exchangedb/pg_iterate_active_signkeys.h
+ * @brief implementation of the iterate_active_signkeys function for Postgres
+ * @author Christian Grothoff
+ */
+#ifndef PG_ITERATE_ACTIVE_SIGNKEYS_H
+#define PG_ITERATE_ACTIVE_SIGNKEYS_H
+
+#include "taler_util.h"
+#include "taler_json_lib.h"
+#include "taler_exchangedb_plugin.h"
+
+/**
+ * Function called to invoke @a cb on every non-revoked exchange signing key
+ * that has been signed by the master key.  Revoked and (for signing!)
+ * expired keys are skipped. Runs in its own read-only transaction.
+ *
+ * @param cls the @e cls of this struct with the plugin-specific state
+ * @param cb function to call on each signing key
+ * @param cb_cls closure for @a cb
+ * @return transaction status code
+ */
+enum GNUNET_DB_QueryStatus
+TEH_PG_iterate_active_signkeys (void *cls,
+                                  TALER_EXCHANGEDB_ActiveSignkeysCallback cb,
+                                void *cb_cls);
+
+#endif

src/exchangedb/plugin_exchangedb_postgres.c

@@ -62,6 +62,9 @@
 
 /**WHAT I ADD**/
 #include "pg_insert_purse_request.h"
+#include "pg_iterate_active_signkeys.h"
+
+#include "pg_commit.h"
 
 
 /**
@@ -427,22 +430,7 @@ prepare_statements (struct PostgresClosure *pg)
       " FROM denominations"
       " LEFT JOIN "
       "   denomination_revocations USING (denominations_serial);"),
-    /* Used in #postgres_iterate_active_signkeys() */
-    GNUNET_PQ_make_prepare (
-      "select_signkeys",
-      "SELECT"
-      " master_sig"
-      ",exchange_pub"
-      ",valid_from"
-      ",expire_sign"
-      ",expire_legal"
-      " FROM exchange_sign_keys esk"
-      " WHERE"
-      "   expire_sign > $1"
-      " AND NOT EXISTS "
-      "  (SELECT esk_serial "
-      "     FROM signkey_revocations skr"
-      "    WHERE esk.esk_serial = skr.esk_serial);"),
+    
     /* Used in #postgres_iterate_auditor_denominations() */
     GNUNET_PQ_make_prepare (
       "select_auditor_denoms",
@@ -1952,11 +1940,7 @@ prepare_statements (struct PostgresClosure *pg)
       " FROM global_fee"
       " WHERE end_date > $1"
       "   AND start_date < $2;"),
-    /* used in #postgres_commit */
-    GNUNET_PQ_make_prepare (
-      "do_commit",
-      "COMMIT"),
-    /* Used in #postgres_begin_shard() */
+       /* Used in #postgres_begin_shard() */
     GNUNET_PQ_make_prepare (
       "get_open_shard",
       "SELECT"
@@ -2591,31 +2575,6 @@ postgres_rollback (void *cls)
 }
 
 
-/**
- * Commit the current transaction of a database connection.
- *
- * @param cls the `struct PostgresClosure` with the plugin-specific state
- * @return final transaction status
- */
-static enum GNUNET_DB_QueryStatus
-postgres_commit (void *cls)
-{
-  struct PostgresClosure *pg = cls;
-  struct GNUNET_PQ_QueryParam params[] = {
-    GNUNET_PQ_query_param_end
-  };
-  enum GNUNET_DB_QueryStatus qs;
-
-  GNUNET_break (NULL != pg->transaction_name);
-  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-              "Committing transaction `%s'\n",
-              pg->transaction_name);
-  qs = GNUNET_PQ_eval_prepared_non_select (pg->conn,
-                                           "do_commit",
-                                           params);
-  pg->transaction_name = NULL;
-  return qs;
-}
 
 
 /**
@@ -3072,109 +3031,6 @@ postgres_iterate_denominations (void *cls,
 }
 
 
-/**
- * Closure for #signkeys_cb_helper()
- */
-struct SignkeysIteratorContext
-{
-  /**
-   * Function to call with the results.
-   */
-  TALER_EXCHANGEDB_ActiveSignkeysCallback cb;
-
-  /**
-   * Closure to pass to @e cb
-   */
-  void *cb_cls;
-
-};
-
-
-/**
- * Helper function for #postgres_iterate_active_signkeys().
- * Calls the callback with each signkey.
- *
- * @param cls a `struct SignkeysIteratorContext`
- * @param result db results
- * @param num_results number of results in @a result
- */
-static void
-signkeys_cb_helper (void *cls,
-                    PGresult *result,
-                    unsigned int num_results)
-{
-  struct SignkeysIteratorContext *dic = cls;
-
-  for (unsigned int i = 0; i<num_results; i++)
-  {
-    struct TALER_EXCHANGEDB_SignkeyMetaData meta;
-    struct TALER_ExchangePublicKeyP exchange_pub;
-    struct TALER_MasterSignatureP master_sig;
-    struct GNUNET_PQ_ResultSpec rs[] = {
-      GNUNET_PQ_result_spec_auto_from_type ("master_sig",
-                                            &master_sig),
-      GNUNET_PQ_result_spec_auto_from_type ("exchange_pub",
-                                            &exchange_pub),
-      GNUNET_PQ_result_spec_timestamp ("valid_from",
-                                       &meta.start),
-      GNUNET_PQ_result_spec_timestamp ("expire_sign",
-                                       &meta.expire_sign),
-      GNUNET_PQ_result_spec_timestamp ("expire_legal",
-                                       &meta.expire_legal),
-      GNUNET_PQ_result_spec_end
-    };
-
-    if (GNUNET_OK !=
-        GNUNET_PQ_extract_result (result,
-                                  rs,
-                                  i))
-    {
-      GNUNET_break (0);
-      return;
-    }
-    dic->cb (dic->cb_cls,
-             &exchange_pub,
-             &meta,
-             &master_sig);
-  }
-}
-
-
-/**
- * Function called to invoke @a cb on every non-revoked exchange signing key
- * that has been signed by the master key.  Revoked and (for signing!)
- * expired keys are skipped. Runs in its own read-only transaction.
- *
- * @param cls the @e cls of this struct with the plugin-specific state
- * @param cb function to call on each signing key
- * @param cb_cls closure for @a cb
- * @return transaction status code
- */
-static enum GNUNET_DB_QueryStatus
-postgres_iterate_active_signkeys (void *cls,
-                                  TALER_EXCHANGEDB_ActiveSignkeysCallback cb,
-                                  void *cb_cls)
-{
-  struct PostgresClosure *pg = cls;
-  struct GNUNET_TIME_Absolute now = {0};
-  struct GNUNET_PQ_QueryParam params[] = {
-    GNUNET_PQ_query_param_absolute_time (&now),
-    GNUNET_PQ_query_param_end
-  };
-  struct SignkeysIteratorContext dic = {
-    .cb = cb,
-    .cb_cls = cb_cls,
-  };
-
-  now = GNUNET_TIME_absolute_get ();
-  return GNUNET_PQ_eval_prepared_multi_select (pg->conn,
-                                               "select_signkeys",
-                                               params,
-                                               &signkeys_cb_helper,
-                                               &dic);
-}
-
-
 /**
  * Closure for #auditors_cb_helper()
  */
@@ -3677,7 +3533,7 @@ postgres_reserves_in_insert (void *cls,
        (We are only run in a larger transaction for performance.) */
     enum GNUNET_DB_QueryStatus cs;
 
-    cs = postgres_commit (pg);
+    cs = TEH_PG_commit(pg);
     if (cs < 0)
       return cs;
     if (GNUNET_OK !=
@@ -3758,7 +3614,7 @@ postgres_reserves_in_insert (void *cls,
   {
     enum GNUNET_DB_QueryStatus cs;
 
-    cs = postgres_commit (pg);
+    cs = TEH_PG_commit (pg);
     if (cs < 0)
       return cs;
     if (GNUNET_OK !=
@@ -9986,7 +9842,7 @@ commit:
     {
       enum GNUNET_DB_QueryStatus qs;
 
-      qs = postgres_commit (pg);
+      qs = TEH_PG_commit (pg);
       switch (qs)
       {
       case GNUNET_DB_STATUS_HARD_ERROR:
@@ -10256,7 +10112,7 @@ postgres_begin_revolving_shard (void *cls,
     {
       enum GNUNET_DB_QueryStatus qs;
 
-      qs = postgres_commit (pg);
+      qs = TEH_PG_commit (pg);
       switch (qs)
       {
       case GNUNET_DB_STATUS_HARD_ERROR:
@@ -12008,7 +11864,7 @@ libtaler_plugin_exchangedb_postgres_init (void *cls)
   plugin->start = &postgres_start;
   plugin->start_read_committed = &postgres_start_read_committed;
   plugin->start_read_only = &postgres_start_read_only;
-  plugin->commit = &postgres_commit;
+
   plugin->preflight = &postgres_preflight;
   plugin->rollback = &postgres_rollback;
   plugin->event_listen = &postgres_event_listen;
@@ -12018,7 +11874,7 @@ libtaler_plugin_exchangedb_postgres_init (void *cls)
   plugin->get_denomination_info = &postgres_get_denomination_info;
   plugin->iterate_denomination_info = &postgres_iterate_denomination_info;
   plugin->iterate_denominations = &postgres_iterate_denominations;
-  plugin->iterate_active_signkeys = &postgres_iterate_active_signkeys;
+ 
   plugin->iterate_active_auditors = &postgres_iterate_active_auditors;
   plugin->iterate_auditor_denominations =
     &postgres_iterate_auditor_denominations;
@@ -12280,7 +12136,10 @@ libtaler_plugin_exchangedb_postgres_init (void *cls)
     = &TEH_PG_select_reserve_open_above_serial_id;
   plugin->insert_purse_request
     = &TEH_PG_insert_purse_request;
- 
+  plugin->iterate_active_signkeys
+    = &TEH_PG_iterate_active_signkeys;
+  plugin->commit
+    = &TEH_PG_commit;
 
   return plugin;
 }