lookup_global_fee_by_time.h (2608B)
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/exchange-database/lookup_global_fee_by_time.h 18 * @brief implementation of the lookup_global_fee_by_time function for Postgres 19 * @author Christian Grothoff 20 */ 21 #ifndef EXCHANGE_DATABASE_LOOKUP_GLOBAL_FEE_BY_TIME_H 22 #define EXCHANGE_DATABASE_LOOKUP_GLOBAL_FEE_BY_TIME_H 23 24 #include "taler/taler_util.h" 25 #include "taler/taler_json_lib.h" 26 #include "exchangedb_lib.h" 27 28 29 /** 30 * Lookup information about known global fees. 31 * 32 * @param pg the database context 33 * @param start_time starting time of fee 34 * @param end_time end time of fee 35 * @param[out] fees set to wire fees for that time period; if 36 * different global fee exists within this time 37 * period, an 'invalid' amount is returned. 38 * @param[out] purse_timeout set to when unmerged purses expire 39 * @param[out] history_expiration set to when we expire reserve histories 40 * @param[out] purse_account_limit set to number of free purses 41 * @return transaction status code 42 */ 43 enum GNUNET_DB_QueryStatus 44 TALER_EXCHANGEDB_lookup_global_fee_by_time (struct 45 TALER_EXCHANGEDB_PostgresContext *pg 46 , 47 struct GNUNET_TIME_Timestamp 48 start_time, 49 struct GNUNET_TIME_Timestamp 50 end_time, 51 struct TALER_GlobalFeeSet *fees, 52 struct GNUNET_TIME_Relative * 53 purse_timeout 54 , 55 struct GNUNET_TIME_Relative * 56 history_expiration, 57 uint32_t *purse_account_limit); 58 59 #endif