reserves_get_origin.c (2047B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2022, 2024, 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/reserves_get_origin.c 18 * @brief Implementation of the reserves_get_origin function for Postgres 19 * @author Christian Grothoff 20 */ 21 #include "taler/taler_pq_lib.h" 22 #include "exchange-database/reserves_get_origin.h" 23 #include "helper.h" 24 25 26 enum GNUNET_DB_QueryStatus 27 TALER_TALER_EXCHANGEDB_reserves_get_origin ( 28 struct TALER_EXCHANGEDB_PostgresContext *pg, 29 const struct TALER_ReservePublicKeyP *reserve_pub, 30 struct TALER_FullPaytoHashP *h_payto, 31 struct TALER_FullPayto *payto_uri) 32 { 33 struct GNUNET_PQ_QueryParam params[] = { 34 GNUNET_PQ_query_param_auto_from_type (reserve_pub), 35 GNUNET_PQ_query_param_end 36 }; 37 struct GNUNET_PQ_ResultSpec rs[] = { 38 GNUNET_PQ_result_spec_auto_from_type ( 39 "wire_source_h_payto", 40 h_payto), 41 GNUNET_PQ_result_spec_string ( 42 "payto_uri", 43 &payto_uri->full_payto), 44 GNUNET_PQ_result_spec_end 45 }; 46 47 PREPARE (pg, 48 "get_h_wire_source_of_reserve", 49 "SELECT" 50 " rt.wire_source_h_payto" 51 ",wt.payto_uri" 52 " FROM reserves_in rt" 53 " JOIN wire_targets wt" 54 " ON (rt.wire_source_h_payto = wt.wire_target_h_payto)" 55 " WHERE rt.reserve_pub=$1"); 56 return GNUNET_PQ_eval_prepared_singleton_select ( 57 pg->conn, 58 "get_h_wire_source_of_reserve", 59 params, 60 rs); 61 }