-remove sessions also from auditor

src/auditor/report-lib.c

@@ -46,11 +46,6 @@ const struct GNUNET_CONFIGURATION_Handle *TALER_ARL_cfg;
  */
 struct TALER_AUDITORDB_Plugin *TALER_ARL_adb;
 
-/**
- * Our session with the #TALER_ARL_adb.
- */
-struct TALER_AUDITORDB_Session *TALER_ARL_asession;
-
 /**
  * Master public key of the exchange to audit.
  */
@@ -310,8 +305,7 @@ transact (TALER_ARL_Analysis analysis,
   int ret;
   enum GNUNET_DB_QueryStatus qs;
 
-  ret = TALER_ARL_adb->start (TALER_ARL_adb->cls,
+  ret = TALER_ARL_adb->start (TALER_ARL_adb->cls);
-                              TALER_ARL_asession);
   if (GNUNET_OK != ret)
   {
     GNUNET_break (0);
@@ -340,13 +334,11 @@ transact (TALER_ARL_Analysis analysis,
       GNUNET_break (GNUNET_DB_STATUS_SOFT_ERROR == qs);
       GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                   "Exchange DB commit failed, rolling back transaction\n");
-      TALER_ARL_adb->rollback (TALER_ARL_adb->cls,
+      TALER_ARL_adb->rollback (TALER_ARL_adb->cls);
-                               TALER_ARL_asession);
     }
     else
     {
-      qs = TALER_ARL_adb->commit (TALER_ARL_adb->cls,
+      qs = TALER_ARL_adb->commit (TALER_ARL_adb->cls);
-                                  TALER_ARL_asession);
       if (0 > qs)
       {
         GNUNET_break (GNUNET_DB_STATUS_SOFT_ERROR == qs);
@@ -359,8 +351,7 @@ transact (TALER_ARL_Analysis analysis,
   {
     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
                 "Processing failed (or no changes), rolling back transaction\n");
-    TALER_ARL_adb->rollback (TALER_ARL_adb->cls,
+    TALER_ARL_adb->rollback (TALER_ARL_adb->cls);
-                             TALER_ARL_asession);
     TALER_ARL_edb->rollback (TALER_ARL_edb->cls);
   }
   switch (qs)
@@ -389,15 +380,15 @@ int
 TALER_ARL_setup_sessions_and_run (TALER_ARL_Analysis ana,
                                   void *ana_cls)
 {
-  if (GNUNET_OK !=
+  if (GNUNET_SYSERR ==
       TALER_ARL_edb->preflight (TALER_ARL_edb->cls))
   {
     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                 "Failed to initialize exchange connection.\n");
     return GNUNET_SYSERR;
   }
-  TALER_ARL_asession = TALER_ARL_adb->get_session (TALER_ARL_adb->cls);
+  if (GNUNET_SYSERR ==
-  if (NULL == TALER_ARL_asession)
+      TALER_ARL_adb->preflight (TALER_ARL_adb->cls))
   {
     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                 "Failed to initialize auditor session.\n");
@@ -804,11 +795,10 @@ TALER_ARL_init (const struct GNUNET_CONFIGURATION_Handle *c)
     return GNUNET_SYSERR;
   }
   {
-    struct TALER_AUDITORDB_Session *as;
     int found;
 
-    as = TALER_ARL_adb->get_session (TALER_ARL_adb->cls);
+    if (GNUNET_SYSERR ==
-    if (NULL == as)
+        TALER_ARL_adb->preflight (TALER_ARL_adb->cls))
     {
       GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                   "Failed to start session with auditor database.\n");
@@ -817,7 +807,6 @@ TALER_ARL_init (const struct GNUNET_CONFIGURATION_Handle *c)
     }
     found = GNUNET_NO;
     (void) TALER_ARL_adb->list_exchanges (TALER_ARL_adb->cls,
-                                          as,
                                           &test_master_present,
                                           &found);
     if (GNUNET_NO == found)

src/auditor/report-lib.h

@@ -59,11 +59,6 @@ extern const struct GNUNET_CONFIGURATION_Handle *TALER_ARL_cfg;
  */
 extern struct TALER_AUDITORDB_Plugin *TALER_ARL_adb;
 
-/**
- * Our session with the #TALER_ARL_adb.
- */
-extern struct TALER_AUDITORDB_Session *TALER_ARL_asession;
-
 /**
  * Master public key of the exchange to audit.
  */

src/auditor/taler-auditor-exchange.c

@@ -1,6 +1,6 @@
 /*
   This file is part of TALER
-  Copyright (C) 2014, 2015, 2018, 2019 Taler Systems SA
+  Copyright (C) 2014-2021 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
@@ -176,13 +176,12 @@ main (int argc,
   /* Update DB */
   {
     enum GNUNET_DB_QueryStatus qs;
-    struct TALER_AUDITORDB_Session *session;
 
-    session = adb->get_session (adb->cls);
+    if (GNUNET_SYSERR ==
-    if (NULL == session)
+        adb->preflight (adb->cls))
     {
       GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-                  "Failed to initialize database session\n");
+                  "Failed to initialize database connection\n");
       TALER_AUDITORDB_plugin_unload (adb);
       return EXIT_FAILURE;
     }
@@ -190,13 +189,11 @@ main (int argc,
     if (remove_flag)
     {
       qs = adb->delete_exchange (adb->cls,
-                                 session,
                                  &master_public_key);
     }
     else
     {
       qs = adb->insert_exchange (adb->cls,
-                                 session,
                                  &master_public_key,
                                  exchange_url);
     }

src/auditor/taler-auditor-httpd_deposit-confirmation.c

@@ -62,7 +62,6 @@ verify_and_execute_deposit_confirmation (
   const struct TALER_AUDITORDB_DepositConfirmation *dc,
   const struct TALER_AUDITORDB_ExchangeSigningKey *es)
 {
-  struct TALER_AUDITORDB_Session *session;
   enum GNUNET_DB_QueryStatus qs;
   struct GNUNET_TIME_Absolute now;
   struct GNUNET_HashCode h;
@@ -96,8 +95,8 @@ verify_and_execute_deposit_confirmation (
   cached = GNUNET_CONTAINER_multihashmap_get (cache,
                                               &h);
   GNUNET_assert (0 == pthread_mutex_unlock (&lock));
-  session = TAH_plugin->get_session (TAH_plugin->cls);
+  if (GNUNET_SYSERR ==
-  if (NULL == session)
+      TAH_plugin->preflight (TAH_plugin->cls))
   {
     GNUNET_break (0);
     return TALER_MHD_reply_with_error (connection,
@@ -126,7 +125,6 @@ verify_and_execute_deposit_confirmation (
 
     /* execute transaction */
     qs = TAH_plugin->insert_exchange_signkey (TAH_plugin->cls,
-                                              session,
                                               es);
     if (0 > qs)
     {
@@ -216,7 +214,6 @@ verify_and_execute_deposit_confirmation (
 
   /* execute transaction */
   qs = TAH_plugin->insert_deposit_confirmation (TAH_plugin->cls,
-                                                session,
                                                 dc);
   if (0 > qs)
   {

src/auditor/taler-auditor-httpd_exchanges.c

@@ -75,15 +75,14 @@ TAH_EXCHANGES_handler (struct TAH_RequestHandler *rh,
                        size_t *upload_data_size)
 {
   json_t *ja;
-  struct TALER_AUDITORDB_Session *session;
   enum GNUNET_DB_QueryStatus qs;
 
   (void) rh;
   (void) connection_cls;
   (void) upload_data;
   (void) upload_data_size;
-  session = TAH_plugin->get_session (TAH_plugin->cls);
+  if (GNUNET_SYSERR ==
-  if (NULL == session)
+      TAH_plugin->preflight (TAH_plugin->cls))
   {
     GNUNET_break (0);
     return TALER_MHD_reply_with_error (connection,
@@ -94,7 +93,6 @@ TAH_EXCHANGES_handler (struct TAH_RequestHandler *rh,
   ja = json_array ();
   GNUNET_break (NULL != ja);
   qs = TAH_plugin->list_exchanges (TAH_plugin->cls,
-                                   session,
                                    &add_exchange,
                                    ja);
   if (0 > qs)

src/auditor/taler-helper-auditor-aggregation.c

@@ -1218,7 +1218,6 @@ analyze_aggregations (void *cls)
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
               "Analyzing aggregations\n");
   qsp = TALER_ARL_adb->get_auditor_progress_aggregation (TALER_ARL_adb->cls,
-                                                         TALER_ARL_asession,
                                                          &TALER_ARL_master_pub,
                                                          &ppa);
   if (0 > qsp)
@@ -1243,7 +1242,6 @@ analyze_aggregations (void *cls)
           0,
           sizeof (ac));
   qsx = TALER_ARL_adb->get_wire_fee_summary (TALER_ARL_adb->cls,
-                                             TALER_ARL_asession,
                                              &TALER_ARL_master_pub,
                                              &total_aggregation_fee_income);
   if (0 > qsx)
@@ -1282,13 +1280,11 @@ analyze_aggregations (void *cls)
   if (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS == qsx)
     ac.qs = TALER_ARL_adb->insert_wire_fee_summary (
       TALER_ARL_adb->cls,
-      TALER_ARL_asession,
       &TALER_ARL_master_pub,
       &total_aggregation_fee_income);
   else
     ac.qs = TALER_ARL_adb->update_wire_fee_summary (
       TALER_ARL_adb->cls,
-      TALER_ARL_asession,
       &TALER_ARL_master_pub,
       &total_aggregation_fee_income);
   if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != ac.qs)
@@ -1299,13 +1295,11 @@ analyze_aggregations (void *cls)
   if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT == qsp)
     qs = TALER_ARL_adb->update_auditor_progress_aggregation (
       TALER_ARL_adb->cls,
-      TALER_ARL_asession,
       &TALER_ARL_master_pub,
       &ppa);
   else
     qs = TALER_ARL_adb->insert_auditor_progress_aggregation (
       TALER_ARL_adb->cls,
-      TALER_ARL_asession,
       &TALER_ARL_master_pub,
       &ppa);
   if (0 >= qs)

src/auditor/taler-helper-auditor-coins.c

@@ -679,7 +679,6 @@ init_denomination (const struct GNUNET_HashCode *denom_hash,
   uint64_t rowid;
 
   qs = TALER_ARL_adb->get_denomination_balance (TALER_ARL_adb->cls,
-                                                TALER_ARL_asession,
                                                 denom_hash,
                                                 &ds->denom_balance,
                                                 &ds->denom_loss,
@@ -819,7 +818,6 @@ sync_denomination (void *cls,
        outstanding coins as revenue; and reduce cc->risk exposure. */
     if (ds->in_db)
       qs = TALER_ARL_adb->del_denomination_balance (TALER_ARL_adb->cls,
-                                                    TALER_ARL_asession,
                                                     denom_hash);
     else
       qs = GNUNET_DB_STATUS_SUCCESS_ONE_RESULT;
@@ -851,7 +849,6 @@ sync_denomination (void *cls,
       if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
           (qs = TALER_ARL_adb->insert_historic_denom_revenue (
              TALER_ARL_adb->cls,
-             TALER_ARL_asession,
              &TALER_ARL_master_pub,
              denom_hash,
              expire_deposit,
@@ -905,7 +902,6 @@ sync_denomination (void *cls,
       }
       if (ds->in_db)
         qs = TALER_ARL_adb->update_denomination_balance (TALER_ARL_adb->cls,
-                                                         TALER_ARL_asession,
                                                          denom_hash,
                                                          &ds->denom_balance,
                                                          &ds->denom_loss,
@@ -914,7 +910,6 @@ sync_denomination (void *cls,
                                                          ds->num_issued);
       else
         qs = TALER_ARL_adb->insert_denomination_balance (TALER_ARL_adb->cls,
-                                                         TALER_ARL_asession,
                                                          denom_hash,
                                                          &ds->denom_balance,
                                                          &ds->denom_loss,
@@ -2333,7 +2328,6 @@ analyze_coins (void *cls)
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
               "Analyzing coins\n");
   qsp = TALER_ARL_adb->get_auditor_progress_coin (TALER_ARL_adb->cls,
-                                                  TALER_ARL_asession,
                                                   &TALER_ARL_master_pub,
                                                   &ppc);
   if (0 > qsp)
@@ -2363,7 +2357,6 @@ analyze_coins (void *cls)
   cc.denom_summaries = GNUNET_CONTAINER_multihashmap_create (256,
                                                              GNUNET_NO);
   qsx = TALER_ARL_adb->get_balance_summary (TALER_ARL_adb->cls,
-                                            TALER_ARL_asession,
                                             &TALER_ARL_master_pub,
                                             &total_escrow_balance,
                                             &total_deposit_fee_income,
@@ -2473,7 +2466,6 @@ analyze_coins (void *cls)
   }
   if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT == qsx)
     qs = TALER_ARL_adb->update_balance_summary (TALER_ARL_adb->cls,
-                                                TALER_ARL_asession,
                                                 &TALER_ARL_master_pub,
                                                 &total_escrow_balance,
                                                 &total_deposit_fee_income,
@@ -2484,7 +2476,6 @@ analyze_coins (void *cls)
                                                 &total_irregular_recoups);
   else
     qs = TALER_ARL_adb->insert_balance_summary (TALER_ARL_adb->cls,
-                                                TALER_ARL_asession,
                                                 &TALER_ARL_master_pub,
                                                 &total_escrow_balance,
                                                 &total_deposit_fee_income,
@@ -2501,12 +2492,10 @@ analyze_coins (void *cls)
 
   if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT == qsp)
     qs = TALER_ARL_adb->update_auditor_progress_coin (TALER_ARL_adb->cls,
-                                                      TALER_ARL_asession,
                                                       &TALER_ARL_master_pub,
                                                       &ppc);
   else
     qs = TALER_ARL_adb->insert_auditor_progress_coin (TALER_ARL_adb->cls,
-                                                      TALER_ARL_asession,
                                                       &TALER_ARL_master_pub,
                                                       &ppc);
   if (0 >= qs)

src/auditor/taler-helper-auditor-deposits.c

@@ -188,7 +188,6 @@ analyze_deposit_confirmations (void *cls)
   ppdc.last_deposit_confirmation_serial_id = 0;
   qsp = TALER_ARL_adb->get_auditor_progress_deposit_confirmation (
     TALER_ARL_adb->cls,
-    TALER_ARL_asession,
     &TALER_ARL_master_pub,
     &ppdc);
   if (0 > qsp)
@@ -217,7 +216,6 @@ analyze_deposit_confirmations (void *cls)
   dcc.first_missed_coin_serial = UINT64_MAX;
   qsx = TALER_ARL_adb->get_deposit_confirmations (
     TALER_ARL_adb->cls,
-    TALER_ARL_asession,
     &TALER_ARL_master_pub,
     ppdc.last_deposit_confirmation_serial_id,
     &test_dc,
@@ -245,13 +243,11 @@ analyze_deposit_confirmations (void *cls)
   if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT == qsp)
     qs = TALER_ARL_adb->update_auditor_progress_deposit_confirmation (
       TALER_ARL_adb->cls,
-      TALER_ARL_asession,
       &TALER_ARL_master_pub,
       &ppdc);
   else
     qs = TALER_ARL_adb->insert_auditor_progress_deposit_confirmation (
       TALER_ARL_adb->cls,
-      TALER_ARL_asession,
       &TALER_ARL_master_pub,
       &ppdc);
   if (0 >= qs)

src/auditor/taler-helper-auditor-reserves.c

@@ -317,7 +317,6 @@ load_auditor_reserve_summary (struct ReserveSummary *rs)
   uint64_t rowid;
 
   qs = TALER_ARL_adb->get_reserve_info (TALER_ARL_adb->cls,
-                                        TALER_ARL_asession,
                                         &rs->reserve_pub,
                                         &TALER_ARL_master_pub,
                                         &rowid,
@@ -1255,7 +1254,6 @@ verify_reserve_balance (void *cls,
                   TALER_B2S (&rs->reserve_pub),
                   TALER_amount2s (&nbalance));
       qs = TALER_ARL_adb->del_reserve_info (TALER_ARL_adb->cls,
-                                            TALER_ARL_asession,
                                             &rs->reserve_pub,
                                             &TALER_ARL_master_pub);
       if (0 >= qs)
@@ -1282,7 +1280,6 @@ verify_reserve_balance (void *cls,
                 TALER_amount2s (&nbalance));
     if (rs->had_ri)
       qs = TALER_ARL_adb->update_reserve_info (TALER_ARL_adb->cls,
-                                               TALER_ARL_asession,
                                                &rs->reserve_pub,
                                                &TALER_ARL_master_pub,
                                                &nbalance,
@@ -1290,7 +1287,6 @@ verify_reserve_balance (void *cls,
                                                rs->a_expiration_date);
     else
       qs = TALER_ARL_adb->insert_reserve_info (TALER_ARL_adb->cls,
-                                               TALER_ARL_asession,
                                                &rs->reserve_pub,
                                                &TALER_ARL_master_pub,
                                                &nbalance,
@@ -1333,7 +1329,6 @@ analyze_reserves (void *cls)
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
               "Analyzing reserves\n");
   qsp = TALER_ARL_adb->get_auditor_progress_reserve (TALER_ARL_adb->cls,
-                                                     TALER_ARL_asession,
                                                      &TALER_ARL_master_pub,
                                                      &ppr);
   if (0 > qsp)
@@ -1358,7 +1353,6 @@ analyze_reserves (void *cls)
   }
   rc.qs = GNUNET_DB_STATUS_SUCCESS_ONE_RESULT;
   qsx = TALER_ARL_adb->get_reserve_summary (TALER_ARL_adb->cls,
-                                            TALER_ARL_asession,
                                             &TALER_ARL_master_pub,
                                             &total_escrow_balance,
                                             &total_withdraw_fee_income);
@@ -1427,7 +1421,6 @@ analyze_reserves (void *cls)
   if (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS == qsx)
   {
     qs = TALER_ARL_adb->insert_reserve_summary (TALER_ARL_adb->cls,
-                                                TALER_ARL_asession,
                                                 &TALER_ARL_master_pub,
                                                 &total_escrow_balance,
                                                 &total_withdraw_fee_income);
@@ -1435,7 +1428,6 @@ analyze_reserves (void *cls)
   else
   {
     qs = TALER_ARL_adb->update_reserve_summary (TALER_ARL_adb->cls,
-                                                TALER_ARL_asession,
                                                 &TALER_ARL_master_pub,
                                                 &total_escrow_balance,
                                                 &total_withdraw_fee_income);
@@ -1447,12 +1439,10 @@ analyze_reserves (void *cls)
   }
   if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT == qsp)
     qs = TALER_ARL_adb->update_auditor_progress_reserve (TALER_ARL_adb->cls,
-                                                         TALER_ARL_asession,
                                                          &TALER_ARL_master_pub,
                                                          &ppr);
   else
     qs = TALER_ARL_adb->insert_auditor_progress_reserve (TALER_ARL_adb->cls,
-                                                         TALER_ARL_asession,
                                                          &TALER_ARL_master_pub,
                                                          &ppr);
   if (0 >= qs)

src/auditor/taler-helper-auditor-wire.c

@@ -663,8 +663,7 @@ commit (enum GNUNET_DB_QueryStatus qs)
     else
       GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                   "Hard error, not recording progress\n");
-    TALER_ARL_adb->rollback (TALER_ARL_adb->cls,
+    TALER_ARL_adb->rollback (TALER_ARL_adb->cls);
-                             TALER_ARL_asession);
     TALER_ARL_edb->rollback (TALER_ARL_edb->cls);
     return qs;
   }
@@ -691,7 +690,6 @@ commit (enum GNUNET_DB_QueryStatus qs)
     if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT == wa->qsx)
       qs = TALER_ARL_adb->update_wire_auditor_account_progress (
         TALER_ARL_adb->cls,
-        TALER_ARL_asession,
         &TALER_ARL_master_pub,
         wa->ai->section_name,
         &wa->pp,
@@ -700,7 +698,6 @@ commit (enum GNUNET_DB_QueryStatus qs)
     else
       qs = TALER_ARL_adb->insert_wire_auditor_account_progress (
         TALER_ARL_adb->cls,
-        TALER_ARL_asession,
         &TALER_ARL_master_pub,
         wa->ai->section_name,
         &wa->pp,
@@ -719,12 +716,10 @@ commit (enum GNUNET_DB_QueryStatus qs)
                                          NULL);
   if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT == qsx_gwap)
     qs = TALER_ARL_adb->update_wire_auditor_progress (TALER_ARL_adb->cls,
-                                                      TALER_ARL_asession,
                                                       &TALER_ARL_master_pub,
                                                       &pp);
   else
     qs = TALER_ARL_adb->insert_wire_auditor_progress (TALER_ARL_adb->cls,
-                                                      TALER_ARL_asession,
                                                       &TALER_ARL_master_pub,
                                                       &pp);
   if (0 >= qs)
@@ -746,13 +741,11 @@ commit (enum GNUNET_DB_QueryStatus qs)
       GNUNET_break (GNUNET_DB_STATUS_SOFT_ERROR == qs);
       GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                   "Exchange DB commit failed, rolling back transaction\n");
-      TALER_ARL_adb->rollback (TALER_ARL_adb->cls,
+      TALER_ARL_adb->rollback (TALER_ARL_adb->cls);
-                               TALER_ARL_asession);
     }
     else
     {
-      qs = TALER_ARL_adb->commit (TALER_ARL_adb->cls,
+      qs = TALER_ARL_adb->commit (TALER_ARL_adb->cls);
-                                  TALER_ARL_asession);
       if (0 > qs)
       {
         GNUNET_break (GNUNET_DB_STATUS_SOFT_ERROR == qs);
@@ -765,8 +758,7 @@ commit (enum GNUNET_DB_QueryStatus qs)
   {
     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
                 "Processing failed, rolling back transaction\n");
-    TALER_ARL_adb->rollback (TALER_ARL_adb->cls,
+    TALER_ARL_adb->rollback (TALER_ARL_adb->cls);
-                             TALER_ARL_asession);
     TALER_ARL_edb->rollback (TALER_ARL_edb->cls);
   }
   return qs;
@@ -1947,23 +1939,22 @@ reserve_closed_cb (void *cls,
 static enum GNUNET_DB_QueryStatus
 begin_transaction (void)
 {
-  if (GNUNET_OK !=
+  if (GNUNET_SYSERR ==
       TALER_ARL_edb->preflight (TALER_ARL_edb->cls))
   {
     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                 "Failed to initialize exchange database connection.\n");
     return GNUNET_DB_STATUS_HARD_ERROR;
   }
-  TALER_ARL_asession = TALER_ARL_adb->get_session (TALER_ARL_adb->cls);
+  if (GNUNET_SYSERR ==
-  if (NULL == TALER_ARL_asession)
+      TALER_ARL_adb->preflight (TALER_ARL_adb->cls))
   {
     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                 "Failed to initialize auditor database session.\n");
     return GNUNET_DB_STATUS_HARD_ERROR;
   }
   if (GNUNET_OK !=
-      TALER_ARL_adb->start (TALER_ARL_adb->cls,
+      TALER_ARL_adb->start (TALER_ARL_adb->cls))
-                            TALER_ARL_asession))
   {
     GNUNET_break (0);
     return GNUNET_DB_STATUS_HARD_ERROR;
@@ -1982,7 +1973,6 @@ begin_transaction (void)
   {
     wa->qsx = TALER_ARL_adb->get_wire_auditor_account_progress (
       TALER_ARL_adb->cls,
-      TALER_ARL_asession,
       &TALER_ARL_master_pub,
       wa->ai->section_name,
       &wa->pp,
@@ -1996,7 +1986,6 @@ begin_transaction (void)
     wa->start_pp = wa->pp;
   }
   qsx_gwap = TALER_ARL_adb->get_wire_auditor_progress (TALER_ARL_adb->cls,
-                                                       TALER_ARL_asession,
                                                        &TALER_ARL_master_pub,
                                                        &pp);
   if (0 > qsx_gwap)

src/auditordb/test_auditordb.c

@@ -73,7 +73,6 @@ static void
 run (void *cls)
 {
   struct GNUNET_CONFIGURATION_Handle *cfg = cls;
-  struct TALER_AUDITORDB_Session *session;
   uint64_t rowid;
 
   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
@@ -94,16 +93,15 @@ run (void *cls)
     result = 77;
     goto unload;
   }
-  if (NULL ==
+  if (GNUNET_SYSERR ==
-      (session = plugin->get_session (plugin->cls)))
+      plugin->preflight (plugin->cls))
   {
     result = 77;
     goto drop;
   }
 
   FAILIF (GNUNET_OK !=
-          plugin->start (plugin->cls,
+          plugin->start (plugin->cls));
-                         session));
 
   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
               "initializing\n");
@@ -164,7 +162,6 @@ run (void *cls)
               "Test: auditor_insert_exchange\n");
   FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
           plugin->insert_exchange (plugin->cls,
-                                   session,
                                    &master_pub,
                                    "https://exchange/"));
 
@@ -187,7 +184,6 @@ run (void *cls)
 
   FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
           plugin->insert_auditor_progress_coin (plugin->cls,
-                                                session,
                                                 &master_pub,
                                                 &ppc));
   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
@@ -200,7 +196,6 @@ run (void *cls)
 
   FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
           plugin->update_auditor_progress_coin (plugin->cls,
-                                                session,
                                                 &master_pub,
                                                 &ppc));
 
@@ -209,7 +204,6 @@ run (void *cls)
 
   FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
           plugin->get_auditor_progress_coin (plugin->cls,
-                                             session,
                                              &master_pub,
                                              &ppc2));
   FAILIF ( (ppc.last_deposit_serial_id != ppc2.last_deposit_serial_id) ||
@@ -233,7 +227,6 @@ run (void *cls)
 
   FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
           plugin->insert_reserve_info (plugin->cls,
-                                       session,
                                        &reserve_pub,
                                        &master_pub,
                                        &reserve_balance,
@@ -246,7 +239,6 @@ run (void *cls)
 
   FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
           plugin->update_reserve_info (plugin->cls,
-                                       session,
                                        &reserve_pub,
                                        &master_pub,
                                        &reserve_balance,
@@ -260,7 +252,6 @@ run (void *cls)
 
   FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
           plugin->get_reserve_info (plugin->cls,
-                                    session,
                                     &reserve_pub,
                                     &master_pub,
                                     &rowid,
@@ -281,7 +272,6 @@ run (void *cls)
 
   FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
           plugin->insert_reserve_summary (plugin->cls,
-                                          session,
                                           &master_pub,
                                           &withdraw_fee_balance,
                                           &reserve_balance));
@@ -291,7 +281,6 @@ run (void *cls)
 
   FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
           plugin->update_reserve_summary (plugin->cls,
-                                          session,
                                           &master_pub,
                                           &reserve_balance,
                                           &withdraw_fee_balance));
@@ -304,7 +293,6 @@ run (void *cls)
 
   FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
           plugin->get_reserve_summary (plugin->cls,
-                                       session,
                                        &master_pub,
                                        &reserve_balance2,
                                        &withdraw_fee_balance2));
@@ -362,7 +350,6 @@ run (void *cls)
 
   FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
           plugin->insert_denomination_balance (plugin->cls,
-                                               session,
                                                &denom_pub_hash,
                                                &denom_balance,
                                                &denom_loss,
@@ -380,7 +367,6 @@ run (void *cls)
 
   FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
           plugin->update_denomination_balance (plugin->cls,
-                                               session,
                                                &denom_pub_hash,
                                                &denom_balance,
                                                &denom_loss,
@@ -392,7 +378,6 @@ run (void *cls)
 
   FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
           plugin->get_denomination_balance (plugin->cls,
-                                            session,
                                             &denom_pub_hash,
                                             &denom_balance2,
                                             &denom_loss2,
@@ -411,7 +396,6 @@ run (void *cls)
 
   FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
           plugin->insert_balance_summary (plugin->cls,
-                                          session,
                                           &master_pub,
                                           &refund_fee_balance,
                                           &melt_fee_balance,
@@ -426,7 +410,6 @@ run (void *cls)
 
   FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
           plugin->update_balance_summary (plugin->cls,
-                                          session,
                                           &master_pub,
                                           &denom_balance,
                                           &deposit_fee_balance,
@@ -449,7 +432,6 @@ run (void *cls)
 
   FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
           plugin->get_balance_summary (plugin->cls,
-                                       session,
                                        &master_pub,
                                        &denom_balance2,
                                        &deposit_fee_balance2,
@@ -480,7 +462,6 @@ run (void *cls)
 
   FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
           plugin->insert_historic_denom_revenue (plugin->cls,
-                                                 session,
                                                  &master_pub,
                                                  &denom_pub_hash,
                                                  past,
@@ -489,7 +470,6 @@ run (void *cls)
 
   FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
           plugin->insert_historic_denom_revenue (plugin->cls,
-                                                 session,
                                                  &master_pub,
                                                  &rnd_hash,
                                                  now,
@@ -534,7 +514,6 @@ run (void *cls)
 
   FAILIF (0 >=
           plugin->select_historic_denom_revenue (plugin->cls,
-                                                 session,
                                                  &master_pub,
                                                  &
                                                  select_historic_denom_revenue_result,
@@ -550,7 +529,6 @@ run (void *cls)
 
   FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
           plugin->insert_historic_reserve_revenue (plugin->cls,
-                                                   session,
                                                    &master_pub,
                                                    past,
                                                    future,
@@ -558,7 +536,6 @@ run (void *cls)
 
   FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
           plugin->insert_historic_reserve_revenue (plugin->cls,
-                                                   session,
                                                    &master_pub,
                                                    now,
                                                    future,
@@ -598,7 +575,6 @@ run (void *cls)
 
   FAILIF (0 >=
           plugin->select_historic_reserve_revenue (plugin->cls,
-                                                   session,
                                                    &master_pub,
                                                    select_historic_reserve_revenue_result,
                                                    NULL));
@@ -608,7 +584,6 @@ run (void *cls)
 
   FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
           plugin->insert_predicted_result (plugin->cls,
-                                           session,
                                            &master_pub,
                                            &rbalance));
 
@@ -621,18 +596,15 @@ run (void *cls)
 
   FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
           plugin->update_predicted_result (plugin->cls,
-                                           session,
                                            &master_pub,
                                            &rbalance));
 
   FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
           plugin->insert_wire_fee_summary (plugin->cls,
-                                           session,
                                            &master_pub,
                                            &rbalance));
   FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
           plugin->update_wire_fee_summary (plugin->cls,
-                                           session,
                                            &master_pub,
                                            &reserve_profits));
   {
@@ -640,7 +612,6 @@ run (void *cls)
 
     FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
             plugin->get_wire_fee_summary (plugin->cls,
-                                          session,
                                           &master_pub,
                                           &rprof));
     FAILIF (0 !=
@@ -648,34 +619,29 @@ run (void *cls)
                               &reserve_profits));
   }
   FAILIF (0 >
-          plugin->commit (plugin->cls,
+          plugin->commit (plugin->cls));
-                          session));
 
 
   FAILIF (GNUNET_OK !=
-          plugin->start (plugin->cls,
+          plugin->start (plugin->cls));
-                         session));
 
   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
               "Test: get_predicted_balance\n");
 
   FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
           plugin->get_predicted_balance (plugin->cls,
-                                         session,
                                          &master_pub,
                                          &rbalance2));
 
   FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
           plugin->del_reserve_info (plugin->cls,
-                                    session,
                                     &reserve_pub,
                                     &master_pub));
 
   FAILIF (0 != TALER_amount_cmp (&rbalance2,
                                  &rbalance));
 
-  plugin->rollback (plugin->cls,
+  plugin->rollback (plugin->cls);
-                    session);
 
 #if GC_IMPLEMENTED
   FAILIF (GNUNET_OK !=
@@ -685,22 +651,17 @@ run (void *cls)
   result = 0;
 
 drop:
-  if (NULL != session)
   {
-    plugin->rollback (plugin->cls,
+    plugin->rollback (plugin->cls);
-                      session);
     GNUNET_log (GNUNET_ERROR_TYPE_INFO,
                 "Test: auditor_delete_exchange\n");
     GNUNET_break (GNUNET_OK ==
-                  plugin->start (plugin->cls,
+                  plugin->start (plugin->cls));
-                                 session));
     GNUNET_break (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT ==
                   plugin->delete_exchange (plugin->cls,
-                                           session,
                                            &master_pub));
     GNUNET_break (0 <=
-                  plugin->commit (plugin->cls,
+                  plugin->commit (plugin->cls));
-                                  session));
   }
   GNUNET_break (GNUNET_OK ==
                 plugin->drop_tables (plugin->cls,

src/exchange/taler-exchange-httpd_keys.c

@@ -344,9 +344,7 @@ static struct TEH_KeyStateHandle *key_state;
 
 /**
  * Counter incremented whenever we have a reason to re-build the keys because
- * something external changed (in another thread).  The counter is manipulated
+ * something external changed (in another thread).  See #TEH_keys_get_state() and
- * using an atomic update, and thus to ensure that threads notice when it
- * changes, the variable MUST be volatile.  See #TEH_keys_get_state() and
  * #TEH_keys_update_states() for uses of this variable.
  */
 static uint64_t key_generation;
@@ -1721,8 +1719,7 @@ build_key_state (struct HelperState *hs,
 void
 TEH_keys_update_states ()
 {
-  __sync_fetch_and_add (&key_generation,
+  key_generation++;
-                        1);
   TEH_resume_keys_requests (false);
 }
 

src/include/taler_auditordb_plugin.h

@@ -1,6 +1,6 @@
 /*
   This file is part of TALER
-  Copyright (C) 2014-2018 Taler Systems SA
+  Copyright (C) 2014-2021 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
@@ -356,12 +356,6 @@ typedef int
   const struct TALER_AUDITORDB_DepositConfirmation *dc);
 
 
-/**
- * Handle for one session with the database.
- */
-struct TALER_AUDITORDB_Session;
-
-
 /**
  * @brief The plugin API, returned from the plugin's "init" function.
  * The argument given to "init" is simply a configuration handle.
@@ -384,14 +378,16 @@ struct TALER_AUDITORDB_Plugin
   char *library_name;
 
   /**
-   * Get the thread-local database-handle.
+   * Fully connect to the db if the connection does not exist yet
-   * Connect to the db if the connection does not exist yet.
+   * and check that there is no transaction currently running.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param the database connection, or NULL on error
+   * @return #GNUNET_OK on success
+   *         #GNUNET_NO if we rolled back an earlier transaction
+   *         #GNUNET_SYSERR if we have no DB connection
    */
-  struct TALER_AUDITORDB_Session *
+  enum GNUNET_GenericReturnValue
-  (*get_session) (void *cls);
+  (*preflight)(void *cls);
 
 
   /**
@@ -405,8 +401,8 @@ struct TALER_AUDITORDB_Plugin
    *        used when restarting the auditor
    * @return #GNUNET_OK upon success; #GNUNET_SYSERR upon failure
    */
-  int
+  enum GNUNET_GenericReturnValue
-  (*drop_tables) (void *cls,
+  (*drop_tables)(void *cls,
                  int drop_exchangelist);
 
 
@@ -416,43 +412,37 @@ struct TALER_AUDITORDB_Plugin
    * @param cls the @e cls of this struct with the plugin-specific state
    * @return #GNUNET_OK upon success; #GNUNET_SYSERR upon failure
    */
-  int
+  enum GNUNET_GenericReturnValue
-  (*create_tables) (void *cls);
+  (*create_tables)(void *cls);
 
 
   /**
    * Start a transaction.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @return #GNUNET_OK on success
    */
-  int
+  enum GNUNET_GenericReturnValue
-  (*start) (void *cls,
+  (*start)(void *cls);
-            struct TALER_AUDITORDB_Session *session);
 
 
   /**
    * Commit a transaction.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @return transaction status code
    */
   enum GNUNET_DB_QueryStatus
-  (*commit)(void *cls,
+  (*commit)(void *cls);
-            struct TALER_AUDITORDB_Session *session);
 
 
   /**
    * Abort/rollback a transaction.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    */
   void
-  (*rollback) (void *cls,
+  (*rollback) (void *cls);
-               struct TALER_AUDITORDB_Session *session);
 
 
   /**
@@ -471,14 +461,12 @@ struct TALER_AUDITORDB_Plugin
    * Insert information about an exchange this auditor will be auditing.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to the database
    * @param master_pub master public key of the exchange
    * @param exchange_url public (base) URL of the API of the exchange
    * @return query result status
    */
   enum GNUNET_DB_QueryStatus
   (*insert_exchange)(void *cls,
-                     struct TALER_AUDITORDB_Session *session,
                      const struct TALER_MasterPublicKeyP *master_pub,
                      const char *exchange_url);
 
@@ -489,13 +477,11 @@ struct TALER_AUDITORDB_Plugin
    * to this exchange!
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to the database
    * @param master_pub master public key of the exchange
    * @return query result status
    */
   enum GNUNET_DB_QueryStatus
   (*delete_exchange)(void *cls,
-                     struct TALER_AUDITORDB_Session *session,
                      const struct TALER_MasterPublicKeyP *master_pub);
 
 
@@ -503,14 +489,12 @@ struct TALER_AUDITORDB_Plugin
    * Obtain information about exchanges this auditor is auditing.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to the database
    * @param cb function to call with the results
    * @param cb_cls closure for @a cb
    * @return query result status
    */
   enum GNUNET_DB_QueryStatus
   (*list_exchanges)(void *cls,
-                    struct TALER_AUDITORDB_Session *session,
                     TALER_AUDITORDB_ExchangeCallback cb,
                     void *cb_cls);
 
@@ -518,14 +502,12 @@ struct TALER_AUDITORDB_Plugin
    * Insert information about a signing key of the exchange.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to the database
    * @param sk signing key information to store
    * @return query result status
    */
   enum GNUNET_DB_QueryStatus
   (*insert_exchange_signkey)(
     void *cls,
-    struct TALER_AUDITORDB_Session *session,
     const struct TALER_AUDITORDB_ExchangeSigningKey *sk);
 
 
@@ -533,14 +515,12 @@ struct TALER_AUDITORDB_Plugin
    * Insert information about a deposit confirmation into the database.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to the database
    * @param dc deposit confirmation information to store
    * @return query result status
    */
   enum GNUNET_DB_QueryStatus
   (*insert_deposit_confirmation)(
     void *cls,
-    struct TALER_AUDITORDB_Session *session,
     const struct TALER_AUDITORDB_DepositConfirmation *dc);
 
 
@@ -548,7 +528,6 @@ struct TALER_AUDITORDB_Plugin
    * Get information about deposit confirmations from the database.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to the database
    * @param master_public_key for which exchange do we want to get deposit confirmations
    * @param start_id row/serial ID where to start the iteration (0 from
    *                  the start, exclusive, i.e. serial_ids must start from 1)
@@ -559,7 +538,6 @@ struct TALER_AUDITORDB_Plugin
   enum GNUNET_DB_QueryStatus
   (*get_deposit_confirmations)(
     void *cls,
-    struct TALER_AUDITORDB_Session *session,
     const struct TALER_MasterPublicKeyP *master_public_key,
     uint64_t start_id,
     TALER_AUDITORDB_DepositConfirmationCallback cb,
@@ -571,7 +549,6 @@ struct TALER_AUDITORDB_Plugin
    * data.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param master_pub master key of the exchange
    * @param ppc where is the auditor in processing
    * @return transaction status code
@@ -579,7 +556,6 @@ struct TALER_AUDITORDB_Plugin
   enum GNUNET_DB_QueryStatus
   (*insert_auditor_progress_coin)(
     void *cls,
-    struct TALER_AUDITORDB_Session *session,
     const struct TALER_MasterPublicKeyP *master_pub,
     const struct TALER_AUDITORDB_ProgressPointCoin *ppc);
 
@@ -589,7 +565,6 @@ struct TALER_AUDITORDB_Plugin
    * must be an existing record for the exchange.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param master_pub master key of the exchange
    * @param ppc where is the auditor in processing
    * @return transaction status code
@@ -597,7 +572,6 @@ struct TALER_AUDITORDB_Plugin
   enum GNUNET_DB_QueryStatus
   (*update_auditor_progress_coin)(
     void *cls,
-    struct TALER_AUDITORDB_Session *session,
     const struct TALER_MasterPublicKeyP *master_pub,
     const struct TALER_AUDITORDB_ProgressPointCoin *ppc);
 
@@ -606,14 +580,12 @@ struct TALER_AUDITORDB_Plugin
    * Get information about the progress of the auditor.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param master_pub master key of the exchange
    * @param[out] ppc set to where the auditor is in processing
    * @return transaction status code
    */
   enum GNUNET_DB_QueryStatus
   (*get_auditor_progress_coin)(void *cls,
-                               struct TALER_AUDITORDB_Session *session,
                                const struct TALER_MasterPublicKeyP *master_pub,
                                struct TALER_AUDITORDB_ProgressPointCoin *ppc);
 
@@ -622,7 +594,6 @@ struct TALER_AUDITORDB_Plugin
  * data.
  *
  * @param cls the @e cls of this struct with the plugin-specific state
- * @param session connection to use
  * @param master_pub master key of the exchange
  * @param ppr where is the auditor in processing
  * @return transaction status code
@@ -630,7 +601,6 @@ struct TALER_AUDITORDB_Plugin
   enum GNUNET_DB_QueryStatus
   (*insert_auditor_progress_reserve)(
     void *cls,
-    struct TALER_AUDITORDB_Session *session,
     const struct TALER_MasterPublicKeyP *master_pub,
     const struct TALER_AUDITORDB_ProgressPointReserve *ppr);
 
@@ -640,7 +610,6 @@ struct TALER_AUDITORDB_Plugin
    * must be an existing record for the exchange.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param master_pub master key of the exchange
    * @param ppr where is the auditor in processing
    * @return transaction status code
@@ -648,7 +617,6 @@ struct TALER_AUDITORDB_Plugin
   enum GNUNET_DB_QueryStatus
   (*update_auditor_progress_reserve)(
     void *cls,
-    struct TALER_AUDITORDB_Session *session,
     const struct TALER_MasterPublicKeyP *master_pub,
     const struct TALER_AUDITORDB_ProgressPointReserve *ppr);
 
@@ -657,7 +625,6 @@ struct TALER_AUDITORDB_Plugin
    * Get information about the progress of the auditor.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param master_pub master key of the exchange
    * @param[out] ppr set to where the auditor is in processing
    * @return transaction status code
@@ -665,7 +632,6 @@ struct TALER_AUDITORDB_Plugin
   enum GNUNET_DB_QueryStatus
   (*get_auditor_progress_reserve)(
     void *cls,
-    struct TALER_AUDITORDB_Session *session,
     const struct TALER_MasterPublicKeyP *master_pub,
     struct TALER_AUDITORDB_ProgressPointReserve *ppr);
 
@@ -674,7 +640,6 @@ struct TALER_AUDITORDB_Plugin
    * data.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param master_pub master key of the exchange
    * @param ppdc where is the auditor in processing
    * @return transaction status code
@@ -682,7 +647,6 @@ struct TALER_AUDITORDB_Plugin
   enum GNUNET_DB_QueryStatus
   (*insert_auditor_progress_deposit_confirmation)(
     void *cls,
-    struct TALER_AUDITORDB_Session *session,
     const struct TALER_MasterPublicKeyP *master_pub,
     const struct TALER_AUDITORDB_ProgressPointDepositConfirmation *ppdc);
 
@@ -692,7 +656,6 @@ struct TALER_AUDITORDB_Plugin
    * must be an existing record for the exchange.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param master_pub master key of the exchange
    * @param ppdc where is the auditor in processing
    * @return transaction status code
@@ -700,7 +663,6 @@ struct TALER_AUDITORDB_Plugin
   enum GNUNET_DB_QueryStatus
   (*update_auditor_progress_deposit_confirmation)(
     void *cls,
-    struct TALER_AUDITORDB_Session *session,
     const struct TALER_MasterPublicKeyP *master_pub,
     const struct TALER_AUDITORDB_ProgressPointDepositConfirmation *ppdc);
 
@@ -709,7 +671,6 @@ struct TALER_AUDITORDB_Plugin
    * Get information about the progress of the auditor.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param master_pub master key of the exchange
    * @param[out] ppdc set to where the auditor is in processing
    * @return transaction status code
@@ -717,7 +678,6 @@ struct TALER_AUDITORDB_Plugin
   enum GNUNET_DB_QueryStatus
   (*get_auditor_progress_deposit_confirmation)(
     void *cls,
-    struct TALER_AUDITORDB_Session *session,
     const struct TALER_MasterPublicKeyP *master_pub,
     struct TALER_AUDITORDB_ProgressPointDepositConfirmation *ppdc);
 
@@ -727,7 +687,6 @@ struct TALER_AUDITORDB_Plugin
    * data.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param master_pub master key of the exchange
    * @param ppa where is the auditor in processing
    * @return transaction status code
@@ -735,7 +694,6 @@ struct TALER_AUDITORDB_Plugin
   enum GNUNET_DB_QueryStatus
   (*insert_auditor_progress_aggregation)(
     void *cls,
-    struct TALER_AUDITORDB_Session *session,
     const struct TALER_MasterPublicKeyP *master_pub,
     const struct TALER_AUDITORDB_ProgressPointAggregation *ppa);
 
@@ -745,7 +703,6 @@ struct TALER_AUDITORDB_Plugin
    * must be an existing record for the exchange.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param master_pub master key of the exchange
    * @param ppa where is the auditor in processing
    * @return transaction status code
@@ -753,7 +710,6 @@ struct TALER_AUDITORDB_Plugin
   enum GNUNET_DB_QueryStatus
   (*update_auditor_progress_aggregation)(
     void *cls,
-    struct TALER_AUDITORDB_Session *session,
     const struct TALER_MasterPublicKeyP *master_pub,
     const struct TALER_AUDITORDB_ProgressPointAggregation *ppa);
 
@@ -762,7 +718,6 @@ struct TALER_AUDITORDB_Plugin
    * Get information about the progress of the auditor.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param master_pub master key of the exchange
    * @param[out] ppa set to where the auditor is in processing
    * @return transaction status code
@@ -770,7 +725,6 @@ struct TALER_AUDITORDB_Plugin
   enum GNUNET_DB_QueryStatus
   (*get_auditor_progress_aggregation)(
     void *cls,
-    struct TALER_AUDITORDB_Session *session,
     const struct TALER_MasterPublicKeyP *master_pub,
     struct TALER_AUDITORDB_ProgressPointAggregation *ppa);
 
@@ -780,7 +734,6 @@ struct TALER_AUDITORDB_Plugin
    * data.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param master_pub master key of the exchange
    * @param account_name name of the wire account we are auditing
    * @param pp where is the auditor in processing
@@ -791,7 +744,6 @@ struct TALER_AUDITORDB_Plugin
   enum GNUNET_DB_QueryStatus
   (*insert_wire_auditor_account_progress)(
     void *cls,
-    struct TALER_AUDITORDB_Session *session,
     const struct TALER_MasterPublicKeyP *master_pub,
     const char *account_name,
     const struct TALER_AUDITORDB_WireAccountProgressPoint *pp,
@@ -804,7 +756,6 @@ struct TALER_AUDITORDB_Plugin
    * must be an existing record for the exchange.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param master_pub master key of the exchange
    * @param account_name name of the wire account we are auditing
    * @param pp where is the auditor in processing
@@ -815,7 +766,6 @@ struct TALER_AUDITORDB_Plugin
   enum GNUNET_DB_QueryStatus
   (*update_wire_auditor_account_progress)(
     void *cls,
-    struct TALER_AUDITORDB_Session *session,
     const struct TALER_MasterPublicKeyP *master_pub,
     const char *account_name,
     const struct TALER_AUDITORDB_WireAccountProgressPoint *pp,
@@ -827,7 +777,6 @@ struct TALER_AUDITORDB_Plugin
    * Get information about the progress of the wire auditor.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param master_pub master key of the exchange
    * @param account_name name of the wire account we are auditing
    * @param[out] pp where is the auditor in processing
@@ -838,7 +787,6 @@ struct TALER_AUDITORDB_Plugin
   enum GNUNET_DB_QueryStatus
   (*get_wire_auditor_account_progress)(
     void *cls,
-    struct TALER_AUDITORDB_Session *session,
     const struct TALER_MasterPublicKeyP *master_pub,
     const char *account_name,
     struct TALER_AUDITORDB_WireAccountProgressPoint *pp,
@@ -851,7 +799,6 @@ struct TALER_AUDITORDB_Plugin
    * data.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param master_pub master key of the exchange
    * @param account_name name of the wire account we are auditing
    * @param pp where is the auditor in processing
@@ -860,7 +807,6 @@ struct TALER_AUDITORDB_Plugin
   enum GNUNET_DB_QueryStatus
   (*insert_wire_auditor_progress)(
     void *cls,
-    struct TALER_AUDITORDB_Session *session,
     const struct TALER_MasterPublicKeyP *master_pub,
     const struct TALER_AUDITORDB_WireProgressPoint *pp);
 
@@ -870,7 +816,6 @@ struct TALER_AUDITORDB_Plugin
    * must be an existing record for the exchange.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param master_pub master key of the exchange
    * @param account_name name of the wire account we are auditing
    * @param pp where is the auditor in processing
@@ -879,7 +824,6 @@ struct TALER_AUDITORDB_Plugin
   enum GNUNET_DB_QueryStatus
   (*update_wire_auditor_progress)(
     void *cls,
-    struct TALER_AUDITORDB_Session *session,
     const struct TALER_MasterPublicKeyP *master_pub,
     const struct TALER_AUDITORDB_WireProgressPoint *pp);
 
@@ -888,7 +832,6 @@ struct TALER_AUDITORDB_Plugin
    * Get information about the progress of the wire auditor.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param master_pub master key of the exchange
    * @param account_name name of the wire account we are auditing
    * @param[out] pp set to where the auditor is in processing
@@ -896,7 +839,6 @@ struct TALER_AUDITORDB_Plugin
    */
   enum GNUNET_DB_QueryStatus
   (*get_wire_auditor_progress)(void *cls,
-                               struct TALER_AUDITORDB_Session *session,
                                const struct TALER_MasterPublicKeyP *master_pub,
                                struct TALER_AUDITORDB_WireProgressPoint *pp);
 
@@ -906,7 +848,6 @@ struct TALER_AUDITORDB_Plugin
    * existing record for the reserve.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param reserve_pub public key of the reserve
    * @param master_pub master public key of the exchange
    * @param reserve_balance amount stored in the reserve
@@ -918,7 +859,6 @@ struct TALER_AUDITORDB_Plugin
    */
   enum GNUNET_DB_QueryStatus
   (*insert_reserve_info)(void *cls,
-                         struct TALER_AUDITORDB_Session *session,
                          const struct TALER_ReservePublicKeyP *reserve_pub,
                          const struct TALER_MasterPublicKeyP *master_pub,
                          const struct TALER_Amount *reserve_balance,
@@ -932,7 +872,6 @@ struct TALER_AUDITORDB_Plugin
    * existing record, which must already exist.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param reserve_pub public key of the reserve
    * @param master_pub master public key of the exchange
    * @param reserve_balance amount stored in the reserve
@@ -943,7 +882,6 @@ struct TALER_AUDITORDB_Plugin
    */
   enum GNUNET_DB_QueryStatus
   (*update_reserve_info)(void *cls,
-                         struct TALER_AUDITORDB_Session *session,
                          const struct TALER_ReservePublicKeyP *reserve_pub,
                          const struct TALER_MasterPublicKeyP *master_pub,
                          const struct TALER_Amount *reserve_balance,
@@ -955,7 +893,6 @@ struct TALER_AUDITORDB_Plugin
    * Get information about a reserve.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param reserve_pub public key of the reserve
    * @param master_pub master public key of the exchange
    * @param[out] rowid which row did we get the information from
@@ -968,7 +905,6 @@ struct TALER_AUDITORDB_Plugin
    */
   enum GNUNET_DB_QueryStatus
   (*get_reserve_info)(void *cls,
-                      struct TALER_AUDITORDB_Session *session,
                       const struct TALER_ReservePublicKeyP *reserve_pub,
                       const struct TALER_MasterPublicKeyP *master_pub,
                       uint64_t *rowid,
@@ -982,14 +918,12 @@ struct TALER_AUDITORDB_Plugin
    * Delete information about a reserve.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param reserve_pub public key of the reserve
    * @param master_pub master public key of the exchange
    * @return transaction status code
    */
   enum GNUNET_DB_QueryStatus
   (*del_reserve_info)(void *cls,
-                      struct TALER_AUDITORDB_Session *session,
                       const struct TALER_ReservePublicKeyP *reserve_pub,
                       const struct TALER_MasterPublicKeyP *master_pub);
 
@@ -999,7 +933,6 @@ struct TALER_AUDITORDB_Plugin
    * existing record for the @a master_pub.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param master_pub master public key of the exchange
    * @param reserve_balance amount stored in the reserve
    * @param withdraw_fee_balance amount the exchange gained in withdraw fees
@@ -1008,7 +941,6 @@ struct TALER_AUDITORDB_Plugin
    */
   enum GNUNET_DB_QueryStatus
   (*insert_reserve_summary)(void *cls,
-                            struct TALER_AUDITORDB_Session *session,
                             const struct TALER_MasterPublicKeyP *master_pub,
                             const struct TALER_Amount *reserve_balance,
                             const struct TALER_Amount *withdraw_fee_balance);
@@ -1019,7 +951,6 @@ struct TALER_AUDITORDB_Plugin
    * existing record, which must already exist.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param master_pub master public key of the exchange
    * @param reserve_balance amount stored in the reserve
    * @param withdraw_fee_balance amount the exchange gained in withdraw fees
@@ -1028,7 +959,6 @@ struct TALER_AUDITORDB_Plugin
    */
   enum GNUNET_DB_QueryStatus
   (*update_reserve_summary)(void *cls,
-                            struct TALER_AUDITORDB_Session *session,
                             const struct TALER_MasterPublicKeyP *master_pub,
                             const struct TALER_Amount *reserve_balance,
                             const struct TALER_Amount *withdraw_fee_balance);
@@ -1038,7 +968,6 @@ struct TALER_AUDITORDB_Plugin
    * Get summary information about all reserves.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param master_pub master public key of the exchange
    * @param[out] reserve_balance amount stored in the reserve
    * @param[out] withdraw_fee_balance amount the exchange gained in withdraw fees
@@ -1047,7 +976,6 @@ struct TALER_AUDITORDB_Plugin
    */
   enum GNUNET_DB_QueryStatus
   (*get_reserve_summary)(void *cls,
-                         struct TALER_AUDITORDB_Session *session,
                          const struct TALER_MasterPublicKeyP *master_pub,
                          struct TALER_Amount *reserve_balance,
                          struct TALER_Amount *withdraw_fee_balance);
@@ -1058,14 +986,12 @@ struct TALER_AUDITORDB_Plugin
    * existing record for the same @a master_pub.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param master_pub master public key of the exchange
    * @param wire_fee_balance amount the exchange gained in wire fees
    * @return transaction status code
    */
   enum GNUNET_DB_QueryStatus
   (*insert_wire_fee_summary)(void *cls,
-                             struct TALER_AUDITORDB_Session *session,
                              const struct TALER_MasterPublicKeyP *master_pub,
                              const struct TALER_Amount *wire_fee_balance);
 
@@ -1075,14 +1001,12 @@ struct TALER_AUDITORDB_Plugin
    * existing record, which must already exist.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param master_pub master public key of the exchange
    * @param wire_fee_balance amount the exchange gained in wire fees
    * @return transaction status code
    */
   enum GNUNET_DB_QueryStatus
   (*update_wire_fee_summary)(void *cls,
-                             struct TALER_AUDITORDB_Session *session,
                              const struct TALER_MasterPublicKeyP *master_pub,
                              const struct TALER_Amount *wire_fee_balance);
 
@@ -1091,14 +1015,12 @@ struct TALER_AUDITORDB_Plugin
    * Get summary information about an exchanges wire fee balance.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param master_pub master public key of the exchange
    * @param[out] wire_fee_balance set amount the exchange gained in wire fees
    * @return transaction status code
    */
   enum GNUNET_DB_QueryStatus
   (*get_wire_fee_summary)(void *cls,
-                          struct TALER_AUDITORDB_Session *session,
                           const struct TALER_MasterPublicKeyP *master_pub,
                           struct TALER_Amount *wire_fee_balance);
 
@@ -1108,7 +1030,6 @@ struct TALER_AUDITORDB_Plugin
    * must not be an existing record for the denomination key.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param denom_pub_hash hash of the denomination public key
    * @param denom_balance value of coins outstanding with this denomination key
    * @param denom_loss value of coins redeemed that were not outstanding (effectively, negative @a denom_balance)
@@ -1119,7 +1040,6 @@ struct TALER_AUDITORDB_Plugin
    */
   enum GNUNET_DB_QueryStatus
   (*insert_denomination_balance)(void *cls,
-                                 struct TALER_AUDITORDB_Session *session,
                                  const struct GNUNET_HashCode *denom_pub_hash,
                                  const struct TALER_Amount *denom_balance,
                                  const struct TALER_Amount *denom_loss,
@@ -1133,7 +1053,6 @@ struct TALER_AUDITORDB_Plugin
    * must be an existing record for the denomination key.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param denom_pub_hash hash of the denomination public key
    * @param denom_balance value of coins outstanding with this denomination key
    * @param denom_loss value of coins redeemed that were not outstanding (effectively, negative @a denom_balance)
@@ -1144,7 +1063,6 @@ struct TALER_AUDITORDB_Plugin
    */
   enum GNUNET_DB_QueryStatus
   (*update_denomination_balance)(void *cls,
-                                 struct TALER_AUDITORDB_Session *session,
                                  const struct GNUNET_HashCode *denom_pub_hash,
                                  const struct TALER_Amount *denom_balance,
                                  const struct TALER_Amount *denom_loss,
@@ -1157,7 +1075,6 @@ struct TALER_AUDITORDB_Plugin
    * Get information about a denomination key's balances.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param denom_pub_hash hash of the denomination public key
    * @param[out] denom_balance value of coins outstanding with this denomination key
    * @param[out] denom_loss value of coins redeemed that were not outstanding (effectively, negative @a denom_balance)
@@ -1168,7 +1085,6 @@ struct TALER_AUDITORDB_Plugin
    */
   enum GNUNET_DB_QueryStatus
   (*get_denomination_balance)(void *cls,
-                              struct TALER_AUDITORDB_Session *session,
                               const struct GNUNET_HashCode *denom_pub_hash,
                               struct TALER_Amount *denom_balance,
                               struct TALER_Amount *denom_loss,
@@ -1181,13 +1097,11 @@ struct TALER_AUDITORDB_Plugin
    * Delete information about a denomination key's balances.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param denom_pub_hash hash of the denomination public key
    * @return transaction status code
    */
   enum GNUNET_DB_QueryStatus
   (*del_denomination_balance)(void *cls,
-                              struct TALER_AUDITORDB_Session *session,
                               const struct GNUNET_HashCode *denom_pub_hash);
 
 
@@ -1196,7 +1110,6 @@ struct TALER_AUDITORDB_Plugin
    * must not be an existing record for the exchange.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param master_pub master key of the exchange
    * @param denom_balance value of coins outstanding with this denomination key
    * @param deposit_fee_balance total deposit fees collected for this DK
@@ -1210,7 +1123,6 @@ struct TALER_AUDITORDB_Plugin
    */
   enum GNUNET_DB_QueryStatus
   (*insert_balance_summary)(void *cls,
-                            struct TALER_AUDITORDB_Session *session,
                             const struct TALER_MasterPublicKeyP *master_pub,
                             const struct TALER_Amount *denom_balance,
                             const struct TALER_Amount *deposit_fee_balance,
@@ -1226,7 +1138,6 @@ struct TALER_AUDITORDB_Plugin
    * must be an existing record for the exchange.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param master_pub master key of the exchange
    * @param denom_balance value of coins outstanding with this denomination key
    * @param deposit_fee_balance total deposit fees collected for this DK
@@ -1240,7 +1151,6 @@ struct TALER_AUDITORDB_Plugin
    */
   enum GNUNET_DB_QueryStatus
   (*update_balance_summary)(void *cls,
-                            struct TALER_AUDITORDB_Session *session,
                             const struct TALER_MasterPublicKeyP *master_pub,
                             const struct TALER_Amount *denom_balance,
                             const struct TALER_Amount *deposit_fee_balance,
@@ -1255,7 +1165,6 @@ struct TALER_AUDITORDB_Plugin
    * Get information about an exchange's denomination balances.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param master_pub master key of the exchange
    * @param[out] denom_balance value of coins outstanding with this denomination key
    * @param[out] deposit_fee_balance total deposit fees collected for this DK
@@ -1269,7 +1178,6 @@ struct TALER_AUDITORDB_Plugin
    */
   enum GNUNET_DB_QueryStatus
   (*get_balance_summary)(void *cls,
-                         struct TALER_AUDITORDB_Session *session,
                          const struct TALER_MasterPublicKeyP *master_pub,
                          struct TALER_Amount *denom_balance,
                          struct TALER_Amount *deposit_fee_balance,
@@ -1285,7 +1193,6 @@ struct TALER_AUDITORDB_Plugin
    * revenue about a denomination key.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param master_pub master key of the exchange
    * @param denom_pub_hash hash of the denomination key
    * @param revenue_timestamp when did this profit get realized
@@ -1298,7 +1205,6 @@ struct TALER_AUDITORDB_Plugin
   enum GNUNET_DB_QueryStatus
   (*insert_historic_denom_revenue)(
     void *cls,
-    struct TALER_AUDITORDB_Session *session,
     const struct TALER_MasterPublicKeyP *master_pub,
     const struct GNUNET_HashCode *denom_pub_hash,
     struct GNUNET_TIME_Absolute revenue_timestamp,
@@ -1311,7 +1217,6 @@ struct TALER_AUDITORDB_Plugin
    * of the given @a master_pub.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param master_pub master key of the exchange
    * @param cb function to call with the results
    * @param cb_cls closure for @a cb
@@ -1320,7 +1225,6 @@ struct TALER_AUDITORDB_Plugin
   enum GNUNET_DB_QueryStatus
   (*select_historic_denom_revenue)(
     void *cls,
-    struct TALER_AUDITORDB_Session *session,
     const struct TALER_MasterPublicKeyP *master_pub,
     TALER_AUDITORDB_HistoricDenominationRevenueDataCallback cb,
     void *cb_cls);
@@ -1330,7 +1234,6 @@ struct TALER_AUDITORDB_Plugin
    * Insert information about an exchange's historic revenue from reserves.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param master_pub master key of the exchange
    * @param start_time beginning of aggregated time interval
    * @param end_time end of aggregated time interval
@@ -1340,7 +1243,6 @@ struct TALER_AUDITORDB_Plugin
   enum GNUNET_DB_QueryStatus
   (*insert_historic_reserve_revenue)(
     void *cls,
-    struct TALER_AUDITORDB_Session *session,
     const struct TALER_MasterPublicKeyP *master_pub,
     struct GNUNET_TIME_Absolute start_time,
     struct GNUNET_TIME_Absolute end_time,
@@ -1351,7 +1253,6 @@ struct TALER_AUDITORDB_Plugin
    * Return information about an exchange's historic revenue from reserves.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param master_pub master key of the exchange
    * @param cb function to call with results
    * @param cb_cls closure for @a cb
@@ -1360,7 +1261,6 @@ struct TALER_AUDITORDB_Plugin
   enum GNUNET_DB_QueryStatus
   (*select_historic_reserve_revenue)(
     void *cls,
-    struct TALER_AUDITORDB_Session *session,
     const struct TALER_MasterPublicKeyP *master_pub,
     TALER_AUDITORDB_HistoricReserveRevenueDataCallback cb,
     void *cb_cls);
@@ -1371,14 +1271,12 @@ struct TALER_AUDITORDB_Plugin
    * account balance.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param master_pub master key of the exchange
    * @param balance what the bank account balance of the exchange should show
    * @return transaction status code
    */
   enum GNUNET_DB_QueryStatus
   (*insert_predicted_result)(void *cls,
-                             struct TALER_AUDITORDB_Session *session,
                              const struct TALER_MasterPublicKeyP *master_pub,
                              const struct TALER_Amount *balance);
 
@@ -1388,14 +1286,12 @@ struct TALER_AUDITORDB_Plugin
    * must be an existing record for the exchange.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param master_pub master key of the exchange
    * @param balance what the bank account balance of the exchange should show
    * @return transaction status code
    */
   enum GNUNET_DB_QueryStatus
   (*update_predicted_result)(void *cls,
-                             struct TALER_AUDITORDB_Session *session,
                              const struct TALER_MasterPublicKeyP *master_pub,
                              const struct TALER_Amount *balance);
 
@@ -1404,14 +1300,12 @@ struct TALER_AUDITORDB_Plugin
    * Get an exchange's predicted balance.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
-   * @param session connection to use
    * @param master_pub master key of the exchange
    * @param[out] balance expected bank account balance of the exchange
    * @return transaction status code
    */
   enum GNUNET_DB_QueryStatus
   (*get_predicted_balance)(void *cls,
-                           struct TALER_AUDITORDB_Session *session,
                            const struct TALER_MasterPublicKeyP *master_pub,
                            struct TALER_Amount *balance);
 

src/mhd/mhd_config.c

@@ -255,6 +255,7 @@ TALER_MHD_open_unix_path (const char *unix_path,
     GNUNET_free (un);
     return -1;
   }
+
   if (GNUNET_OK !=
       GNUNET_NETWORK_socket_bind (nh,
                                   (void *) un,
@@ -446,6 +447,18 @@ TALER_MHD_bind (const struct GNUNET_CONFIGURATION_Handle *cfg,
       freeaddrinfo (res);
       return -1;
     }
+    {
+      const int on = 1;
+
+      if (GNUNET_OK !=
+          GNUNET_NETWORK_socket_setsockopt (nh,
+                                            SOL_SOCKET,
+                                            SO_REUSEPORT,
+                                            &on,
+                                            sizeof(on)))
+        GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING,
+                             "setsockopt");
+    }
     if (GNUNET_OK !=
         GNUNET_NETWORK_socket_bind (nh,
                                     res->ai_addr,

src/util/test_payto.c

@@ -46,6 +46,8 @@ main (int argc,
   GNUNET_log_setup ("test-payto",
                     "WARNING",
                     NULL);
+  GNUNET_assert (NULL ==
+                 TALER_iban_validate ("FR1420041010050500013M02606"));
   r = TALER_xtalerbank_account_from_payto (
     "payto://x-taler-bank/localhost:1080/alice");
   CHECK ("alice",