lookup_refunds.h (2196B)
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/lookup_refunds.h 18 * @brief implementation of the lookup_refunds function for Postgres 19 * @author Iván Ávalos 20 */ 21 #ifndef MERCHANT_DATABASE_LOOKUP_REFUNDS_H 22 #define MERCHANT_DATABASE_LOOKUP_REFUNDS_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 /* Callback typedefs */ 31 /** 32 * Function called with information about a refund. 33 * 34 * @param cls closure 35 * @param coin_pub public coin from which the refund comes from 36 * @param refund_amount refund amount which is being taken from @a coin_pub 37 */ 38 typedef void 39 (*TALER_MERCHANTDB_RefundCallback)( 40 void *cls, 41 const struct TALER_CoinSpendPublicKeyP *coin_pub, 42 const struct TALER_Amount *refund_amount); 43 44 /** 45 * Obtain refunds associated with a contract. 46 * 47 * @param pg database context 48 * @param instance_id instance to lookup refunds for 49 * @param h_contract_terms hash code of the contract 50 * @param rc function to call for each coin on which there is a refund 51 * @param rc_cls closure for @a rc 52 * @return transaction status 53 */ 54 enum GNUNET_DB_QueryStatus 55 TALER_MERCHANTDB_lookup_refunds (struct TALER_MERCHANTDB_PostgresContext *pg, 56 const char *instance_id, 57 const struct TALER_PrivateContractHashP *h_contract_terms, 58 TALER_MERCHANTDB_RefundCallback rc, 59 void *rc_cls); 60 61 #endif