check_transfer_exists.h (1720B)
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/include/merchant-database/check_transfer_exists.h 18 * @brief implementation of the check_transfer_exists function for Postgres 19 * @author Iván Ávalos 20 */ 21 #ifndef MERCHANT_DATABASE_CHECK_TRANSFER_EXISTS_H 22 #define MERCHANT_DATABASE_CHECK_TRANSFER_EXISTS_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 * Check if information about a transfer exists with the 32 * backend. Returns no data, only the query status. 33 * 34 * @param pg database context 35 * @param instance_id instance to delete transfer of 36 * @param transfer_serial_id transfer to delete 37 * @return DB status code, #GNUNET_DB_STATUS_SUCCESS_ONE_RESULT 38 * if the transfer record exists 39 */ 40 enum GNUNET_DB_QueryStatus 41 TALER_MERCHANTDB_check_transfer_exists (struct TALER_MERCHANTDB_PostgresContext *pg, 42 const char *instance_id, 43 uint64_t transfer_serial_id); 44 45 #endif