pg_get_reserve_by_h_planchets.c (2222B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2022,2025 Taler Systems SA 4 5 TALER is free software; you can redistribute it and/or modify it under the 6 terms of the GNU 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_get_reserve_by_h_planchets.c 18 * @brief Implementation of the get_reserve_by_h_planchets function for Postgres 19 * @author Christian Grothoff 20 * @author Özgür Kesim 21 */ 22 #include "taler/taler_pq_lib.h" 23 #include "taler/exchange-database/get_reserve_by_h_planchets.h" 24 #include "helper.h" 25 26 27 enum GNUNET_DB_QueryStatus 28 TALER_EXCHANGEDB_get_reserve_by_h_planchets ( 29 struct TALER_EXCHANGEDB_PostgresContext *pg, 30 const struct TALER_HashBlindedPlanchetsP *h_planchets, 31 struct TALER_ReservePublicKeyP *reserve_pub, 32 uint64_t *withdraw_serial_id) 33 { 34 struct GNUNET_PQ_QueryParam params[] = { 35 GNUNET_PQ_query_param_auto_from_type (h_planchets), 36 GNUNET_PQ_query_param_end 37 }; 38 struct GNUNET_PQ_ResultSpec rs[] = { 39 GNUNET_PQ_result_spec_auto_from_type ("reserve_pub", 40 reserve_pub), 41 GNUNET_PQ_result_spec_uint64 ("withdraw_id", 42 withdraw_serial_id), 43 GNUNET_PQ_result_spec_end 44 }; 45 /* Used in #postgres_get_reserve_by_h_planchets() */ 46 PREPARE (pg, 47 "reserve_by_h_planchets", 48 "SELECT" 49 " reserve_pub" 50 ",withdraw_id" 51 " FROM withdraw" 52 " WHERE planchets_h=$1" 53 " LIMIT 1;"); 54 return GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 55 "reserve_by_h_planchets", 56 params, 57 rs); 58 }