refund_coin.h (2184B)
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/include/merchant-database/refund_coin.h 18 * @brief implementation of the refund_coin function for Postgres 19 * @author Iván Ávalos 20 */ 21 #ifndef MERCHANT_DATABASE_REFUND_COIN_H 22 #define MERCHANT_DATABASE_REFUND_COIN_H 23 24 #include <taler/taler_util.h> 25 #include <taler/taler_json_lib.h> 26 #include "merchantdb_lib.h" 27 28 29 struct TALER_MERCHANTDB_PostgresContext; 30 /** 31 * Function called during aborts to refund a coin. Marks the 32 * respective coin as refunded. 33 * 34 * @param pg database context 35 * @param instance_id instance to refund payment for 36 * @param h_contract_terms hash of the contract to refund coin for 37 * @param refund_timestamp timestamp of the refund 38 * @param coin_pub public key of the coin to refund (fully) 39 * @param reason text justifying the refund 40 * @return transaction status 41 * #GNUNET_DB_STATUS_SUCCESS_NO_RESULTS if @a coin_pub is unknown to us; 42 * #GNUNET_DB_STATUS_SUCCESS_ONE_RESULT if the request is valid, 43 * regardless of whether it actually increased the refund 44 */ 45 enum GNUNET_DB_QueryStatus 46 TALER_MERCHANTDB_refund_coin (struct TALER_MERCHANTDB_PostgresContext *pg, 47 const char *instance_id, 48 const struct TALER_PrivateContractHashP *h_contract_terms, 49 struct GNUNET_TIME_Timestamp refund_timestamp, 50 const struct TALER_CoinSpendPublicKeyP *coin_pub, 51 const char *reason); 52 53 #endif