pg_do_purse_delete.c (2282B)
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/pg_do_purse_delete.c 18 * @brief Implementation of the do_purse_delete function for Postgres 19 * @author Christian Grothoff 20 */ 21 #include "taler/platform.h" 22 #include "taler/taler_error_codes.h" 23 #include "taler/taler_dbevents.h" 24 #include "taler/taler_pq_lib.h" 25 #include "pg_do_purse_delete.h" 26 #include "pg_helper.h" 27 28 29 enum GNUNET_DB_QueryStatus 30 TEH_PG_do_purse_delete ( 31 void *cls, 32 const struct TALER_PurseContractPublicKeyP *purse_pub, 33 const struct TALER_PurseContractSignatureP *purse_sig, 34 bool *decided, 35 bool *found) 36 { 37 struct PostgresClosure *pg = cls; 38 struct GNUNET_TIME_Timestamp now = GNUNET_TIME_timestamp_get (); 39 struct GNUNET_PQ_QueryParam params[] = { 40 GNUNET_PQ_query_param_auto_from_type (purse_pub), 41 GNUNET_PQ_query_param_auto_from_type (purse_sig), 42 GNUNET_PQ_query_param_timestamp (&now), 43 GNUNET_PQ_query_param_end 44 }; 45 struct GNUNET_PQ_ResultSpec rs[] = { 46 GNUNET_PQ_result_spec_bool ("decided", 47 decided), 48 GNUNET_PQ_result_spec_bool ("found", 49 found), 50 GNUNET_PQ_result_spec_end 51 }; 52 53 PREPARE (pg, 54 "call_purse_delete", 55 "SELECT " 56 " out_decided AS decided" 57 ",out_found AS found" 58 " FROM exchange_do_purse_delete" 59 " ($1,$2,$3);"); 60 return GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 61 "call_purse_delete", 62 params, 63 rs); 64 }