select_open_transfers.h (2603B)
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/select_open_transfers.h 18 * @brief implementation of the select_open_transfers function for Postgres 19 * @author Christian Grothoff 20 */ 21 #ifndef MERCHANT_DATABASE_SELECT_OPEN_TRANSFERS_H 22 #define MERCHANT_DATABASE_SELECT_OPEN_TRANSFERS_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 wire transfers 33 * that taler-merchant-exchange still needs to process. 34 * 35 * @param cls closure 36 * @param rowid row of the transfer in the merchant database 37 * @param instance_id instance that received the transfer 38 * @param exchange_url URL of the exchange that is making the deposit 39 * @param payto_uri account of the merchant that received the transfer 40 * @param wtid wire transfer subject identifying the aggregation 41 * @param next_attempt when should we next try to interact with the exchange 42 */ 43 typedef void 44 (*TALER_MERCHANTDB_OpenTransferCallback)( 45 void *cls, 46 uint64_t rowid, 47 const char *instance_id, 48 const char *exchange_url, 49 struct TALER_FullPayto payto_uri, 50 const struct TALER_WireTransferIdentifierRawP *wtid, 51 struct GNUNET_TIME_Absolute next_attempt); 52 53 /** 54 * Retrieve wire transfer details of wire details 55 * that taler-merchant-exchange still needs to 56 * investigate. 57 * 58 * @param pg database context 59 * @param limit maximum number of results to return 60 * @param cb function called with the wire transfer data 61 * @param cb_cls closure for @a cb 62 * @return transaction status 63 */ 64 enum GNUNET_DB_QueryStatus 65 TALER_MERCHANTDB_select_open_transfers (struct TALER_MERCHANTDB_PostgresContext *pg, 66 uint64_t limit, 67 TALER_MERCHANTDB_OpenTransferCallback cb, 68 void *cb_cls); 69 70 71 #endif