get_external_refund.h (1956B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2026 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/get_external_refund.h 18 * @brief implementation of the get_external_refund function for Postgres 19 * @author Bohdan Potuzhnyi 20 * @author Volodymyr Potuzhnyi 21 */ 22 #ifndef MERCHANT_DATABASE_GET_EXTERNAL_REFUND_H 23 #define MERCHANT_DATABASE_GET_EXTERNAL_REFUND_H 24 25 #include <taler/taler_util.h> 26 #include <taler/taler_json_lib.h> 27 #include "merchantdb_lib.h" 28 29 30 struct TALER_MERCHANTDB_PostgresContext; 31 32 /** 33 * Retrieve the hash of the request body that recorded the external 34 * refund @a refund_id of @a order_id. Used to tell an idempotent 35 * replay apart from a conflicting reuse of the same @a refund_id. 36 * 37 * @param pg database context 38 * @param instance_id instance's identifier 39 * @param order_id order the refund was recorded for 40 * @param refund_id identifier of the refund within the order 41 * @param[out] h_post_data set to the hash of the original request body 42 * @return transaction status, 43 * #GNUNET_DB_STATUS_SUCCESS_NO_RESULTS if there is no such refund 44 */ 45 enum GNUNET_DB_QueryStatus 46 TALER_MERCHANTDB_get_external_refund ( 47 struct TALER_MERCHANTDB_PostgresContext *pg, 48 const char *instance_id, 49 const char *order_id, 50 const char *refund_id, 51 struct TALER_MerchantPostDataHashP *h_post_data); 52 53 #endif