Line data    Source code

       1             : /*
       2             :   This file is part of TALER
       3             :   (C) 2014--2025 Taler Systems SA
       4             : 
       5             :   TALER is free software; you can redistribute it and/or modify it under the
       6             :   terms of the GNU Lesser General Public License as published by the Free Software
       7             :   Foundation; either version 3, or (at your option) any later version.
       8             : 
       9             :   TALER is distributed in the hope that it will be useful, but WITHOUT ANY
      10             :   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
      11             :   A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
      12             : 
      13             :   You should have received a copy of the GNU General Public License along with
      14             :   TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
      15             : */
      16             : /**
      17             :  * @file plugin_merchantdb_postgres.c
      18             :  * @brief database helper functions for postgres used by the merchant
      19             :  * @author Sree Harsha Totakura <sreeharsha@totakura.in>
      20             :  * @author Christian Grothoff
      21             :  * @author Marcello Stanisci
      22             :  * @author Priscilla Huang
      23             :  * @author Iván Ávalos
      24             :  */
      25             : #include "platform.h"
      26             : #include <gnunet/gnunet_util_lib.h>
      27             : #include <gnunet/gnunet_pq_lib.h>
      28             : #include <taler/taler_util.h>
      29             : #include <taler/taler_pq_lib.h>
      30             : #include <taler/taler_json_lib.h>
      31             : #include <taler/taler_mhd_lib.h>
      32             : #include "taler_merchantdb_plugin.h"
      33             : #include "pg_helper.h"
      34             : #include "pg_gc.h"
      35             : #include "pg_insert_otp.h"
      36             : #include "pg_get_kyc_status.h"
      37             : #include "pg_get_kyc_limits.h"
      38             : #include "pg_delete_otp.h"
      39             : #include "pg_update_otp.h"
      40             : #include "pg_account_kyc_set_failed.h"
      41             : #include "pg_select_otp.h"
      42             : #include "pg_select_otp_serial.h"
      43             : #include "pg_insert_login_token.h"
      44             : #include "pg_delete_login_token.h"
      45             : #include "pg_select_login_token.h"
      46             : #include "pg_lookup_login_tokens.h"
      47             : #include "pg_insert_account.h"
      48             : #include "pg_update_account.h"
      49             : #include "pg_lookup_instances.h"
      50             : #include "pg_lookup_transfers.h"
      51             : #include "pg_lookup_pending_deposits.h"
      52             : #include "pg_lookup_categories.h"
      53             : #include "pg_select_category.h"
      54             : #include "pg_update_category.h"
      55             : #include "pg_insert_category.h"
      56             : #include "pg_delete_category.h"
      57             : #include "pg_update_wirewatch_progress.h"
      58             : #include "pg_select_wirewatch_accounts.h"
      59             : #include "pg_select_open_transfers.h"
      60             : #include "pg_delete_exchange_accounts.h"
      61             : #include "pg_select_accounts_by_exchange.h"
      62             : #include "pg_insert_exchange_account.h"
      63             : #include "pg_lookup_instance_auth.h"
      64             : #include "pg_lookup_otp_devices.h"
      65             : #include "pg_update_transfer_status.h"
      66             : #include "pg_finalize_transfer_status.h"
      67             : #include "pg_insert_instance.h"
      68             : #include "pg_account_kyc_set_status.h"
      69             : #include "pg_account_kyc_get_status.h"
      70             : #include "pg_delete_instance_private_key.h"
      71             : #include "pg_select_category_by_name.h"
      72             : #include "pg_purge_instance.h"
      73             : #include "pg_update_instance.h"
      74             : #include "pg_update_instance_auth.h"
      75             : #include "pg_inactivate_account.h"
      76             : #include "pg_activate_account.h"
      77             : #include "pg_lookup_products.h"
      78             : #include "pg_lookup_all_products.h"
      79             : #include "pg_lookup_product.h"
      80             : #include "pg_delete_product.h"
      81             : #include "pg_insert_product.h"
      82             : #include "pg_update_product.h"
      83             : #include "pg_lookup_token_family_keys.h"
      84             : #include "pg_lock_product.h"
      85             : #include "pg_expire_locks.h"
      86             : #include "pg_delete_order.h"
      87             : #include "pg_lookup_order.h"
      88             : #include "pg_lookup_order_summary.h"
      89             : #include "pg_lookup_orders.h"
      90             : #include "pg_insert_order.h"
      91             : #include "pg_unlock_inventory.h"
      92             : #include "pg_insert_order_lock.h"
      93             : #include "pg_lookup_contract_terms3.h"
      94             : #include "pg_lookup_contract_terms2.h"
      95             : #include "pg_lookup_contract_terms.h"
      96             : #include "pg_insert_contract_terms.h"
      97             : #include "pg_update_contract_terms.h"
      98             : #include "pg_delete_contract_terms.h"
      99             : #include "pg_delete_template.h"
     100             : #include "pg_insert_template.h"
     101             : #include "pg_update_template.h"
     102             : #include "pg_lookup_templates.h"
     103             : #include "pg_lookup_template.h"
     104             : #include "pg_lookup_deposits.h"
     105             : #include "pg_insert_exchange_signkey.h"
     106             : #include "pg_insert_deposit.h"
     107             : #include "pg_insert_deposit_confirmation.h"
     108             : #include "pg_lookup_refunds.h"
     109             : #include "pg_mark_contract_paid.h"
     110             : #include "pg_select_account_by_uri.h"
     111             : #include "pg_refund_coin.h"
     112             : #include "pg_lookup_order_status.h"
     113             : #include "pg_lookup_order_status_by_serial.h"
     114             : #include "pg_lookup_deposits_by_order.h"
     115             : #include "pg_lookup_transfer_details_by_order.h"
     116             : #include "pg_mark_order_wired.h"
     117             : #include "pg_lookup_refunds_detailed.h"
     118             : #include "pg_insert_refund_proof.h"
     119             : #include "pg_lookup_refund_proof.h"
     120             : #include "pg_lookup_order_by_fulfillment.h"
     121             : #include "pg_delete_transfer.h"
     122             : #include "pg_check_transfer_exists.h"
     123             : #include "pg_lookup_account.h"
     124             : #include "pg_lookup_expected_transfers.h"
     125             : #include "pg_lookup_deposits_by_contract_and_coin.h"
     126             : #include "pg_lookup_transfer_summary.h"
     127             : #include "pg_lookup_transfer_details.h"
     128             : #include "pg_lookup_webhooks.h"
     129             : #include "pg_lookup_webhook.h"
     130             : #include "pg_lookup_wire_fee.h"
     131             : #include "pg_delete_webhook.h"
     132             : #include "pg_insert_webhook.h"
     133             : #include "pg_update_webhook.h"
     134             : #include "pg_lookup_webhook_by_event.h"
     135             : #include "pg_delete_pending_webhook.h"
     136             : #include "pg_insert_pending_webhook.h"
     137             : #include "pg_update_pending_webhook.h"
     138             : #include "pg_lookup_pending_webhooks.h"
     139             : #include "pg_update_deposit_confirmation_status.h"
     140             : #include "pg_insert_exchange_keys.h"
     141             : #include "pg_select_exchange_keys.h"
     142             : #include "pg_insert_deposit_to_transfer.h"
     143             : #include "pg_increase_refund.h"
     144             : #include "pg_select_account.h"
     145             : #include "pg_select_accounts.h"
     146             : #include "pg_insert_transfer.h"
     147             : #include "pg_insert_transfer_details.h"
     148             : #include "pg_store_wire_fee_by_exchange.h"
     149             : #include "pg_insert_token_family.h"
     150             : #include "pg_lookup_token_family.h"
     151             : #include "pg_lookup_token_families.h"
     152             : #include "pg_delete_token_family.h"
     153             : #include "pg_update_token_family.h"
     154             : #include "pg_insert_token_family_key.h"
     155             : #include "pg_lookup_token_family_key.h"
     156             : #include "pg_insert_spent_token.h"
     157             : #include "pg_insert_issued_token.h"
     158             : #include "pg_lookup_spent_tokens_by_order.h"
     159             : #include "pg_lookup_statistics_amount_by_bucket.h"
     160             : #include "pg_lookup_statistics_amount_by_interval.h"
     161             : #include "pg_lookup_statistics_counter_by_bucket.h"
     162             : #include "pg_lookup_statistics_counter_by_interval.h"
     163             : 
     164             : 
     165             : /**
     166             :  * How often do we re-try if we run into a DB serialization error?
     167             :  */
     168             : #define MAX_RETRIES 3
     169             : 
     170             : 
     171             : /**
     172             :  * Drop all Taler tables.  This should only be used by testcases.
     173             :  *
     174             :  * @param cls the `struct PostgresClosure` with the plugin-specific state
     175             :  * @return #GNUNET_OK upon success; #GNUNET_SYSERR upon failure
     176             :  */
     177             : static enum GNUNET_GenericReturnValue
     178          15 : postgres_drop_tables (void *cls)
     179             : {
     180          15 :   struct PostgresClosure *pc = cls;
     181             :   struct GNUNET_PQ_Context *conn;
     182             :   enum GNUNET_GenericReturnValue ret;
     183             : 
     184          15 :   conn = GNUNET_PQ_connect_with_cfg (pc->cfg,
     185             :                                      "merchantdb-postgres",
     186             :                                      NULL,
     187             :                                      NULL,
     188             :                                      NULL);
     189          15 :   if (NULL == conn)
     190           0 :     return GNUNET_SYSERR;
     191          15 :   ret = GNUNET_PQ_exec_sql (conn,
     192             :                             "drop");
     193          15 :   GNUNET_PQ_disconnect (conn);
     194          15 :   return ret;
     195             : }
     196             : 
     197             : 
     198             : /**
     199             :  * Initialize tables.
     200             :  *
     201             :  * @param cls the `struct PostgresClosure` with the plugin-specific state
     202             :  * @return #GNUNET_OK upon success; #GNUNET_SYSERR upon failure
     203             :  */
     204             : static enum GNUNET_GenericReturnValue
     205          15 : postgres_create_tables (void *cls)
     206             : {
     207          15 :   struct PostgresClosure *pc = cls;
     208             :   struct GNUNET_PQ_Context *conn;
     209          15 :   struct GNUNET_PQ_ExecuteStatement es[] = {
     210          15 :     GNUNET_PQ_make_try_execute ("SET search_path TO merchant;"),
     211             :     GNUNET_PQ_EXECUTE_STATEMENT_END
     212             :   };
     213             :   enum GNUNET_GenericReturnValue ret;
     214             : 
     215          15 :   conn = GNUNET_PQ_connect_with_cfg (pc->cfg,
     216             :                                      "merchantdb-postgres",
     217             :                                      "merchant-",
     218             :                                      es,
     219             :                                      NULL);
     220          15 :   if (NULL == conn)
     221           1 :     return GNUNET_SYSERR;
     222          14 :   ret = GNUNET_PQ_exec_sql (conn,
     223             :                             "procedures");
     224          14 :   GNUNET_PQ_disconnect (conn);
     225          14 :   return ret;
     226             : }
     227             : 
     228             : 
     229             : /**
     230             :  * Register callback to be invoked on events of type @a es.
     231             :  *
     232             :  * @param cls database context to use
     233             :  * @param es specification of the event to listen for
     234             :  * @param timeout how long to wait for the event
     235             :  * @param cb function to call when the event happens, possibly
     236             :  *         multiple times (until cancel is invoked)
     237             :  * @param cb_cls closure for @a cb
     238             :  * @return handle useful to cancel the listener
     239             :  */
     240             : static struct GNUNET_DB_EventHandler *
     241         174 : postgres_event_listen (void *cls,
     242             :                        const struct GNUNET_DB_EventHeaderP *es,
     243             :                        struct GNUNET_TIME_Relative timeout,
     244             :                        GNUNET_DB_EventCallback cb,
     245             :                        void *cb_cls)
     246             : {
     247         174 :   struct PostgresClosure *pg = cls;
     248             : 
     249         174 :   return GNUNET_PQ_event_listen (pg->conn,
     250             :                                  es,
     251             :                                  timeout,
     252             :                                  cb,
     253             :                                  cb_cls);
     254             : }
     255             : 
     256             : 
     257             : /**
     258             :  * Stop notifications.
     259             :  *
     260             :  * @param eh handle to unregister.
     261             :  */
     262             : static void
     263         174 : postgres_event_listen_cancel (struct GNUNET_DB_EventHandler *eh)
     264             : {
     265         174 :   GNUNET_PQ_event_listen_cancel (eh);
     266         174 : }
     267             : 
     268             : 
     269             : /**
     270             :  * Notify all that listen on @a es of an event.
     271             :  *
     272             :  * @param cls database context to use
     273             :  * @param es specification of the event to generate
     274             :  * @param extra additional event data provided
     275             :  * @param extra_size number of bytes in @a extra
     276             :  */
     277             : static void
     278         386 : postgres_event_notify (void *cls,
     279             :                        const struct GNUNET_DB_EventHeaderP *es,
     280             :                        const void *extra,
     281             :                        size_t extra_size)
     282             : {
     283         386 :   struct PostgresClosure *pg = cls;
     284             : 
     285         386 :   return GNUNET_PQ_event_notify (pg->conn,
     286             :                                  es,
     287             :                                  extra,
     288             :                                  extra_size);
     289             : }
     290             : 
     291             : 
     292             : void
     293        1465 : postgres_preflight (void *cls)
     294             : {
     295        1465 :   struct PostgresClosure *pg = cls;
     296             : 
     297        1465 :   if (NULL == pg->transaction_name)
     298        1465 :     return; /* all good */
     299           0 :   GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
     300             :               "BUG: Preflight check detected running transaction `%s'!\n",
     301             :               pg->transaction_name);
     302           0 :   GNUNET_assert (0);
     303             : }
     304             : 
     305             : 
     306             : void
     307        2976 : check_connection (struct PostgresClosure *pg)
     308             : {
     309        2976 :   if (NULL != pg->transaction_name)
     310        1258 :     return;
     311        1718 :   GNUNET_PQ_reconnect_if_down (pg->conn);
     312             : }
     313             : 
     314             : 
     315             : /**
     316             :  * Establish connection to the database.
     317             :  *
     318             :  * @param cls plugin context
     319             :  * @return #GNUNET_OK upon success; #GNUNET_SYSERR upon failure
     320             :  */
     321             : static enum GNUNET_GenericReturnValue
     322          83 : postgres_connect (void *cls)
     323             : {
     324          83 :   struct PostgresClosure *pg = cls;
     325          83 :   struct GNUNET_PQ_ExecuteStatement es[] = {
     326          83 :     GNUNET_PQ_make_try_execute ("SET search_path TO merchant;"),
     327             :     GNUNET_PQ_EXECUTE_STATEMENT_END
     328             :   };
     329             : 
     330          83 :   pg->conn = GNUNET_PQ_connect_with_cfg2 (pg->cfg,
     331             :                                           "merchantdb-postgres",
     332             :                                           "merchant-",
     333             :                                           es,
     334             :                                           NULL, /* prepared statemetns */
     335             :                                           GNUNET_PQ_FLAG_CHECK_CURRENT);
     336          83 :   pg->prep_gen++;
     337          83 :   if (NULL == pg->conn)
     338           0 :     return GNUNET_SYSERR;
     339          83 :   return GNUNET_OK;
     340             : };
     341             : 
     342             : 
     343             : /**
     344             :  * Initialize Postgres database subsystem.
     345             :  *
     346             :  * @param cls a configuration instance
     347             :  * @return NULL on error, otherwise a `struct TALER_MERCHANTDB_Plugin`
     348             :  */
     349             : void *
     350             : libtaler_plugin_merchantdb_postgres_init (void *cls);
     351             : 
     352             : /* declaration to avoid compiler warning */
     353             : void *
     354          98 : libtaler_plugin_merchantdb_postgres_init (void *cls)
     355             : {
     356          98 :   const struct GNUNET_CONFIGURATION_Handle *cfg = cls;
     357             :   struct PostgresClosure *pg;
     358             :   struct TALER_MERCHANTDB_Plugin *plugin;
     359             : 
     360          98 :   pg = GNUNET_new (struct PostgresClosure);
     361          98 :   pg->cfg = cfg;
     362          98 :   if (GNUNET_OK !=
     363          98 :       GNUNET_CONFIGURATION_get_value_filename (cfg,
     364             :                                                "merchantdb-postgres",
     365             :                                                "SQL_DIR",
     366             :                                                &pg->sql_dir))
     367             :   {
     368           0 :     GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
     369             :                                "merchantdb-postgres",
     370             :                                "SQL_DIR");
     371           0 :     GNUNET_free (pg);
     372           0 :     return NULL;
     373             :   }
     374          98 :   plugin = GNUNET_new (struct TALER_MERCHANTDB_Plugin);
     375          98 :   plugin->cls = pg;
     376          98 :   plugin->connect = &postgres_connect;
     377          98 :   plugin->create_tables = &postgres_create_tables;
     378          98 :   plugin->drop_tables = &postgres_drop_tables;
     379          98 :   plugin->event_listen = &postgres_event_listen;
     380          98 :   plugin->event_listen_cancel = &postgres_event_listen_cancel;
     381          98 :   plugin->event_notify = &postgres_event_notify;
     382          98 :   plugin->preflight = &postgres_preflight;
     383          98 :   plugin->start = &TMH_PG_start;
     384          98 :   plugin->start_read_committed = &TMH_PG_start_read_committed;
     385          98 :   plugin->rollback = &TMH_PG_rollback;
     386          98 :   plugin->commit = &TMH_PG_commit;
     387             :   plugin->insert_login_token
     388          98 :     = &TMH_PG_insert_login_token;
     389             :   plugin->delete_login_token
     390          98 :     = &TMH_PG_delete_login_token;
     391             :   plugin->delete_login_token_serial
     392          98 :     = &TMH_PG_delete_login_token_serial;
     393             :   plugin->select_login_token
     394          98 :     = &TMH_PG_select_login_token;
     395             :   plugin->lookup_login_tokens
     396          98 :     = &TMH_PG_lookup_login_tokens;
     397             :   plugin->select_account_by_uri
     398          98 :     = &TMH_PG_select_account_by_uri;
     399             :   plugin->lookup_instance_auth
     400          98 :     = &TMH_PG_lookup_instance_auth;
     401             :   plugin->insert_instance
     402          98 :     = &TMH_PG_insert_instance;
     403             :   plugin->insert_account
     404          98 :     = &TMH_PG_insert_account;
     405             :   plugin->lookup_otp_devices
     406          98 :     = &TMH_PG_lookup_otp_devices;
     407             :   plugin->delete_template
     408          98 :     = &TMH_PG_delete_template;
     409             :   plugin->insert_template
     410          98 :     = &TMH_PG_insert_template;
     411             :   plugin->update_template
     412          98 :     = &TMH_PG_update_template;
     413             :   plugin->lookup_templates
     414          98 :     = &TMH_PG_lookup_templates;
     415             :   plugin->lookup_template
     416          98 :     = &TMH_PG_lookup_template;
     417             :   plugin->update_account
     418          98 :     = &TMH_PG_update_account;
     419             :   plugin->account_kyc_set_status
     420          98 :     = &TMH_PG_account_kyc_set_status;
     421             :   plugin->account_kyc_get_status
     422          98 :     = &TMH_PG_account_kyc_get_status;
     423             :   plugin->delete_instance_private_key
     424          98 :     = &TMH_PG_delete_instance_private_key;
     425             :   plugin->purge_instance
     426          98 :     = &TMH_PG_purge_instance;
     427             :   plugin->update_instance
     428          98 :     = &TMH_PG_update_instance;
     429             :   plugin->update_instance_auth
     430          98 :     = &TMH_PG_update_instance_auth;
     431             :   plugin->activate_account
     432          98 :     = &TMH_PG_activate_account;
     433             :   plugin->inactivate_account
     434          98 :     = &TMH_PG_inactivate_account;
     435             :   plugin->update_transfer_status
     436          98 :     = &TMH_PG_update_transfer_status;
     437             :   plugin->finalize_transfer_status
     438          98 :     = &TMH_PG_finalize_transfer_status;
     439             :   plugin->lookup_products
     440          98 :     = &TMH_PG_lookup_products;
     441             :   plugin->lookup_all_products
     442          98 :     = &TMH_PG_lookup_all_products;
     443             :   plugin->lookup_product
     444          98 :     = &TMH_PG_lookup_product;
     445             :   plugin->delete_product
     446          98 :     = &TMH_PG_delete_product;
     447             :   plugin->insert_product
     448          98 :     = &TMH_PG_insert_product;
     449             :   plugin->update_product
     450          98 :     = &TMH_PG_update_product;
     451             :   plugin->insert_otp
     452          98 :     = &TMH_PG_insert_otp;
     453             :   plugin->delete_otp
     454          98 :     = &TMH_PG_delete_otp;
     455             :   plugin->update_otp
     456          98 :     = &TMH_PG_update_otp;
     457             :   plugin->select_otp
     458          98 :     = &TMH_PG_select_otp;
     459             :   plugin->select_otp_serial
     460          98 :     = &TMH_PG_select_otp_serial;
     461             :   plugin->lock_product
     462          98 :     = &TMH_PG_lock_product;
     463             :   plugin->expire_locks
     464          98 :     = &TMH_PG_expire_locks;
     465             :   plugin->delete_order
     466          98 :     = &TMH_PG_delete_order;
     467             :   plugin->lookup_order
     468          98 :     = &TMH_PG_lookup_order;
     469             :   plugin->lookup_order_summary
     470          98 :     = &TMH_PG_lookup_order_summary;
     471             :   plugin->lookup_orders
     472          98 :     = &TMH_PG_lookup_orders;
     473             :   plugin->insert_order
     474          98 :     = &TMH_PG_insert_order;
     475             :   plugin->unlock_inventory
     476          98 :     = &TMH_PG_unlock_inventory;
     477             :   plugin->insert_order_lock
     478          98 :     = &TMH_PG_insert_order_lock;
     479             :   plugin->lookup_contract_terms
     480          98 :     = &TMH_PG_lookup_contract_terms;
     481             :   plugin->lookup_contract_terms2
     482          98 :     = &TMH_PG_lookup_contract_terms2;
     483             :   plugin->lookup_contract_terms3
     484          98 :     = &TMH_PG_lookup_contract_terms3;
     485             :   plugin->insert_contract_terms
     486          98 :     = &TMH_PG_insert_contract_terms;
     487             :   plugin->update_contract_terms
     488          98 :     = &TMH_PG_update_contract_terms;
     489             :   plugin->delete_contract_terms
     490          98 :     = &TMH_PG_delete_contract_terms;
     491             :   plugin->lookup_deposits
     492          98 :     = &TMH_PG_lookup_deposits;
     493             :   plugin->insert_exchange_signkey
     494          98 :     = &TMH_PG_insert_exchange_signkey;
     495             :   plugin->insert_deposit_confirmation
     496          98 :     = &TMH_PG_insert_deposit_confirmation;
     497             :   plugin->insert_deposit
     498          98 :     = &TMH_PG_insert_deposit;
     499             :   plugin->lookup_refunds
     500          98 :     = &TMH_PG_lookup_refunds;
     501             :   plugin->mark_contract_paid
     502          98 :     = &TMH_PG_mark_contract_paid;
     503             :   plugin->refund_coin
     504          98 :     = &TMH_PG_refund_coin;
     505             :   plugin->lookup_order_status
     506          98 :     = &TMH_PG_lookup_order_status;
     507             :   plugin->lookup_order_status_by_serial
     508          98 :     = &TMH_PG_lookup_order_status_by_serial;
     509             :   plugin->lookup_deposits_by_order
     510          98 :     = &TMH_PG_lookup_deposits_by_order;
     511             :   plugin->lookup_transfer_details_by_order
     512          98 :     = &TMH_PG_lookup_transfer_details_by_order;
     513             :   plugin->mark_order_wired
     514          98 :     = &TMH_PG_mark_order_wired;
     515             :   plugin->increase_refund
     516          98 :     = &TMH_PG_increase_refund;
     517             :   plugin->lookup_refunds_detailed
     518          98 :     = &TMH_PG_lookup_refunds_detailed;
     519             :   plugin->insert_refund_proof
     520          98 :     = &TMH_PG_insert_refund_proof;
     521             :   plugin->lookup_refund_proof
     522          98 :     = &TMH_PG_lookup_refund_proof;
     523             :   plugin->lookup_order_by_fulfillment
     524          98 :     = &TMH_PG_lookup_order_by_fulfillment;
     525             :   plugin->delete_transfer
     526          98 :     = &TMH_PG_delete_transfer;
     527             :   plugin->check_transfer_exists
     528          98 :     = &TMH_PG_check_transfer_exists;
     529             :   plugin->lookup_account
     530          98 :     = &TMH_PG_lookup_account;
     531             :   plugin->lookup_wire_fee
     532          98 :     = &TMH_PG_lookup_wire_fee;
     533             :   plugin->lookup_deposits_by_contract_and_coin
     534          98 :     = &TMH_PG_lookup_deposits_by_contract_and_coin;
     535             :   plugin->lookup_transfer_summary
     536          98 :     = &TMH_PG_lookup_transfer_summary;
     537             :   plugin->lookup_transfer_details
     538          98 :     = &TMH_PG_lookup_transfer_details;
     539             :   plugin->lookup_instances
     540          98 :     = &TMH_PG_lookup_instances;
     541             :   plugin->lookup_instance
     542          98 :     = &TMH_PG_lookup_instance;
     543             :   plugin->lookup_transfers
     544          98 :     = &TMH_PG_lookup_transfers;
     545             :   plugin->update_wirewatch_progress
     546          98 :     = &TMH_PG_update_wirewatch_progress;
     547             :   plugin->select_wirewatch_accounts
     548          98 :     = &TMH_PG_select_wirewatch_accounts;
     549             :   plugin->select_account
     550          98 :     = &TMH_PG_select_account;
     551             :   plugin->select_accounts
     552          98 :     = &TMH_PG_select_accounts;
     553             :   plugin->select_open_transfers
     554          98 :     = &TMH_PG_select_open_transfers;
     555             :   plugin->insert_exchange_keys
     556          98 :     = &TMH_PG_insert_exchange_keys;
     557             :   plugin->select_exchange_keys
     558          98 :     = &TMH_PG_select_exchange_keys;
     559             :   plugin->insert_deposit_to_transfer
     560          98 :     = &TMH_PG_insert_deposit_to_transfer;
     561             :   plugin->insert_transfer
     562          98 :     = &TMH_PG_insert_transfer;
     563             :   plugin->lookup_token_family_keys
     564          98 :     = &TMH_PG_lookup_token_family_keys;
     565             :   plugin->insert_transfer_details
     566          98 :     = &TMH_PG_insert_transfer_details;
     567             :   plugin->store_wire_fee_by_exchange
     568          98 :     = &TMH_PG_store_wire_fee_by_exchange;
     569             :   plugin->lookup_webhooks
     570          98 :     = &TMH_PG_lookup_webhooks;
     571             :   plugin->lookup_webhook
     572          98 :     = &TMH_PG_lookup_webhook;
     573             :   plugin->delete_webhook
     574          98 :     = &TMH_PG_delete_webhook;
     575             :   plugin->insert_webhook
     576          98 :     = &TMH_PG_insert_webhook;
     577             :   plugin->update_webhook
     578          98 :     = &TMH_PG_update_webhook;
     579             :   plugin->lookup_pending_deposits
     580          98 :     = &TMH_PG_lookup_pending_deposits;
     581             :   plugin->lookup_webhook_by_event
     582          98 :     = &TMH_PG_lookup_webhook_by_event;
     583             :   plugin->lookup_all_webhooks
     584          98 :     = &TMH_PG_lookup_all_webhooks;
     585             :   plugin->lookup_future_webhook
     586          98 :     = &TMH_PG_lookup_future_webhook;
     587             :   plugin->lookup_pending_webhooks
     588          98 :     = &TMH_PG_lookup_pending_webhooks;
     589             :   plugin->delete_pending_webhook
     590          98 :     = &TMH_PG_delete_pending_webhook;
     591             :   plugin->insert_pending_webhook
     592          98 :     = &TMH_PG_insert_pending_webhook;
     593             :   plugin->update_pending_webhook
     594          98 :     = &TMH_PG_update_pending_webhook;
     595             :   plugin->lookup_categories
     596          98 :     = &TMH_PG_lookup_categories;
     597             :   plugin->select_category_by_name
     598          98 :     = &TMH_PG_select_category_by_name;
     599             :   plugin->get_kyc_status
     600          98 :     = &TMH_PG_get_kyc_status;
     601             :   plugin->account_kyc_set_failed
     602          98 :     = &TMH_PG_account_kyc_set_failed;
     603             :   plugin->get_kyc_limits
     604          98 :     = &TMH_PG_get_kyc_limits;
     605             :   plugin->select_category
     606          98 :     = &TMH_PG_select_category;
     607             :   plugin->update_category
     608          98 :     = &TMH_PG_update_category;
     609             :   plugin->insert_category
     610          98 :     = &TMH_PG_insert_category;
     611             :   plugin->delete_category
     612          98 :     = &TMH_PG_delete_category;
     613             :   plugin->delete_exchange_accounts
     614          98 :     = &TMH_PG_delete_exchange_accounts;
     615             :   plugin->select_accounts_by_exchange
     616          98 :     = &TMH_PG_select_accounts_by_exchange;
     617             :   plugin->insert_exchange_account
     618          98 :     = &TMH_PG_insert_exchange_account;
     619             :   plugin->insert_token_family
     620          98 :     = &TMH_PG_insert_token_family;
     621             :   plugin->lookup_expected_transfers
     622          98 :     = &TMH_PG_lookup_expected_transfers;
     623             :   plugin->lookup_token_family
     624          98 :     = &TMH_PG_lookup_token_family;
     625             :   plugin->lookup_token_families
     626          98 :     = &TMH_PG_lookup_token_families;
     627             :   plugin->delete_token_family
     628          98 :     = &TMH_PG_delete_token_family;
     629             :   plugin->update_token_family
     630          98 :     = &TMH_PG_update_token_family;
     631             :   plugin->insert_token_family_key
     632          98 :     = &TMH_PG_insert_token_family_key;
     633             :   plugin->lookup_token_family_key
     634          98 :     = &TMH_PG_lookup_token_family_key;
     635             :   plugin->update_deposit_confirmation_status
     636          98 :     = &TMH_PG_update_deposit_confirmation_status;
     637             :   plugin->insert_spent_token
     638          98 :     = &TMH_PG_insert_spent_token;
     639             :   plugin->insert_issued_token
     640          98 :     = &TMH_PG_insert_issued_token;
     641             :   plugin->lookup_spent_tokens_by_order
     642          98 :     = &TMH_PG_lookup_spent_tokens_by_order;
     643             :   plugin->lookup_statistics_amount_by_bucket
     644          98 :     = &TMH_PG_lookup_statistics_amount_by_bucket;
     645             :   plugin->lookup_statistics_counter_by_bucket
     646          98 :     = &TMH_PG_lookup_statistics_counter_by_bucket;
     647             :   plugin->lookup_statistics_counter_by_interval
     648          98 :     = &TMH_PG_lookup_statistics_counter_by_interval;
     649             :   plugin->lookup_statistics_amount_by_interval
     650          98 :     = &TMH_PG_lookup_statistics_amount_by_interval;
     651             :   plugin->gc
     652          98 :     = &TMH_PG_gc;
     653             : 
     654          98 :   return plugin;
     655             : }
     656             : 
     657             : 
     658             : /**
     659             :  * Shutdown Postgres database subsystem.
     660             :  *
     661             :  * @param cls a `struct TALER_MERCHANTDB_Plugin`
     662             :  * @return NULL (always)
     663             :  */
     664             : void *
     665             : libtaler_plugin_merchantdb_postgres_done (void *cls);
     666             : 
     667             : /* declaration to avoid compiler warning */
     668             : void *
     669          97 : libtaler_plugin_merchantdb_postgres_done (void *cls)
     670             : {
     671          97 :   struct TALER_MERCHANTDB_Plugin *plugin = cls;
     672          97 :   struct PostgresClosure *pg = plugin->cls;
     673             : 
     674          97 :   if (NULL != pg->conn)
     675             :   {
     676          83 :     GNUNET_PQ_disconnect (pg->conn);
     677          83 :     pg->conn = NULL;
     678             :   }
     679          97 :   GNUNET_free (pg->sql_dir);
     680          97 :   GNUNET_free (pg);
     681          97 :   GNUNET_free (plugin);
     682          97 :   return NULL;
     683             : }
     684             : 
     685             : 
     686             : /* end of plugin_merchantdb_postgres.c */