lookup_refund_proof.c (2445B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2023 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 src/backenddb/lookup_refund_proof.c 18 * @brief Implementation of the lookup_refund_proof function for Postgres 19 * @author Iván Ávalos 20 */ 21 #include "platform.h" 22 #include <taler/taler_error_codes.h> 23 #include <taler/taler_dbevents.h> 24 #include <taler/taler_pq_lib.h> 25 #include "merchant-database/lookup_refund_proof.h" 26 #include "helper.h" 27 28 enum GNUNET_DB_QueryStatus 29 TALER_MERCHANTDB_lookup_refund_proof (struct TALER_MERCHANTDB_PostgresContext *pg, 30 uint64_t refund_serial, 31 struct TALER_ExchangeSignatureP *exchange_sig, 32 struct TALER_ExchangePublicKeyP *exchange_pub) 33 { 34 struct GNUNET_PQ_QueryParam params[] = { 35 GNUNET_PQ_query_param_uint64 (&refund_serial), 36 GNUNET_PQ_query_param_end 37 }; 38 struct GNUNET_PQ_ResultSpec rs[] = { 39 GNUNET_PQ_result_spec_auto_from_type ("exchange_sig", 40 exchange_sig), 41 GNUNET_PQ_result_spec_auto_from_type ("exchange_pub", 42 exchange_pub), 43 GNUNET_PQ_result_spec_end 44 }; 45 46 check_connection (pg); 47 PREPARE (pg, 48 "lookup_refund_proof", 49 "SELECT" 50 " merchant_exchange_signing_keys.exchange_pub" 51 ",exchange_sig" 52 " FROM merchant_refund_proofs" 53 " JOIN merchant_exchange_signing_keys" 54 " USING (signkey_serial)" 55 " WHERE" 56 " refund_serial=$1"); 57 58 return GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 59 "lookup_refund_proof", 60 params, 61 rs); 62 }