do_purse_delete.c (2200B)
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/do_purse_delete.c 18 * @brief Implementation of the do_purse_delete function for Postgres 19 * @author Christian Grothoff 20 */ 21 #include "taler/taler_pq_lib.h" 22 #include "exchange-database/do_purse_delete.h" 23 #include "helper.h" 24 25 26 enum GNUNET_DB_QueryStatus 27 TALER_EXCHANGEDB_do_purse_delete ( 28 struct TALER_EXCHANGEDB_PostgresContext *pg, 29 const struct TALER_PurseContractPublicKeyP *purse_pub, 30 const struct TALER_PurseContractSignatureP *purse_sig, 31 bool *decided, 32 bool *found) 33 { 34 struct GNUNET_TIME_Timestamp now = GNUNET_TIME_timestamp_get (); 35 struct GNUNET_PQ_QueryParam params[] = { 36 GNUNET_PQ_query_param_auto_from_type (purse_pub), 37 GNUNET_PQ_query_param_auto_from_type (purse_sig), 38 GNUNET_PQ_query_param_timestamp (&now), 39 GNUNET_PQ_query_param_end 40 }; 41 struct GNUNET_PQ_ResultSpec rs[] = { 42 GNUNET_PQ_result_spec_bool ("decided", 43 decided), 44 GNUNET_PQ_result_spec_bool ("found", 45 found), 46 GNUNET_PQ_result_spec_end 47 }; 48 49 PREPARE (pg, 50 "call_purse_delete", 51 "SELECT " 52 " out_decided AS decided" 53 ",out_found AS found" 54 " FROM exchange_do_purse_delete" 55 " ($1,$2,$3);"); 56 return GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 57 "call_purse_delete", 58 params, 59 rs); 60 }