refund_coin.c (2954B)
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 src/backenddb/refund_coin.c 18 * @brief Implementation of the refund_coin function for Postgres 19 * @author Iván Ávalos 20 */ 21 #include "platform.h" 22 #include <taler/taler_pq_lib.h> 23 #include "merchant-database/refund_coin.h" 24 #include "helper.h" 25 26 27 enum GNUNET_DB_QueryStatus 28 TALER_MERCHANTDB_refund_coin ( 29 struct TALER_MERCHANTDB_PostgresContext *pg, 30 const char *instance_id, 31 const struct TALER_PrivateContractHashP *h_contract_terms, 32 struct GNUNET_TIME_Timestamp refund_timestamp, 33 const struct TALER_CoinSpendPublicKeyP *coin_pub, 34 const char *reason) 35 { 36 struct GNUNET_PQ_QueryParam params[] = { 37 GNUNET_PQ_query_param_auto_from_type (h_contract_terms), 38 GNUNET_PQ_query_param_timestamp (&refund_timestamp), 39 GNUNET_PQ_query_param_auto_from_type (coin_pub), 40 GNUNET_PQ_query_param_string (reason), 41 GNUNET_PQ_query_param_end 42 }; 43 44 GNUNET_assert (NULL != pg->current_merchant_id); 45 GNUNET_assert (0 == strcmp (instance_id, 46 pg->current_merchant_id)); 47 TMH_PQ_prepare_anon (pg, 48 "INSERT INTO merchant_refunds" 49 "(order_serial" 50 ",rtransaction_id" 51 ",refund_timestamp" 52 ",coin_pub" 53 ",reason" 54 ",refund_amount" 55 ") " 56 "SELECT " 57 " dcon.order_serial" 58 ",0" /* rtransaction_id always 0 for /abort */ 59 ",$2" 60 ",dep.coin_pub" 61 ",$4" 62 ",dep.amount_with_fee" 63 " FROM merchant_deposits dep" 64 " JOIN merchant_deposit_confirmations dcon" 65 " USING (deposit_confirmation_serial)" 66 " WHERE dep.coin_pub=$3" 67 " AND dcon.order_serial=" 68 " (SELECT order_serial" 69 " FROM merchant_contract_terms" 70 " WHERE h_contract_terms=$1)"); 71 return GNUNET_PQ_eval_prepared_non_select (pg->conn, 72 "", 73 params); 74 }