gc.c (1973B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2022 Taler Systems SA 4 5 TALER is free software; you can redistribute it and/or modify it under the 6 terms of the GNU 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 exchangedb/gc.c 18 * @brief Implementation of the gc function for Postgres 19 * @author Christian Grothoff 20 */ 21 #include "taler/taler_pq_lib.h" 22 #include "exchange-database/gc.h" 23 #include "helper.h" 24 25 26 enum GNUNET_GenericReturnValue 27 TALER_EXCHANGEDB_gc (struct TALER_EXCHANGEDB_PostgresContext *pg) 28 { 29 struct GNUNET_TIME_Absolute now = GNUNET_TIME_absolute_get (); 30 struct GNUNET_TIME_Absolute long_ago; 31 struct GNUNET_PQ_QueryParam params[] = { 32 GNUNET_PQ_query_param_absolute_time (&long_ago), 33 GNUNET_PQ_query_param_absolute_time (&now), 34 GNUNET_PQ_query_param_end 35 }; 36 37 /* Keep wire fees for 10 years, that should always 38 be enough _and_ they are tiny so it does not 39 matter to make this tight */ 40 long_ago = GNUNET_TIME_absolute_subtract ( 41 now, 42 GNUNET_TIME_relative_multiply ( 43 GNUNET_TIME_UNIT_YEARS, 44 10)); 45 if (GNUNET_OK != 46 GNUNET_PQ_prepare_anon (pg->conn, 47 "CALL exchange_do_gc($1,$2);")) 48 { 49 GNUNET_break (0); 50 return GNUNET_SYSERR; 51 } 52 if (0 > 53 GNUNET_PQ_eval_prepared_non_select (pg->conn, 54 "", 55 params)) 56 { 57 GNUNET_break (0); 58 return GNUNET_SYSERR; 59 } 60 return GNUNET_OK; 61 }