aggregate.h (1856B)
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/aggregate.h 18 * @brief implementation of the aggregate function for Postgres 19 * @author Christian Grothoff 20 */ 21 #ifndef EXCHANGE_DATABASE_AGGREGATE_H 22 #define EXCHANGE_DATABASE_AGGREGATE_H 23 24 #include "taler/taler_util.h" 25 #include "taler/taler_json_lib.h" 26 #include "exchangedb_lib.h" 27 28 /** 29 * Aggregate all matching deposits for @a h_payto and 30 * @a merchant_pub, returning the total amounts. 31 * 32 * @param pg the database context 33 * @param h_payto destination of the wire transfer 34 * @param merchant_pub public key of the merchant 35 * @param wtid wire transfer ID to set for the aggregate 36 * @param[out] total set to the sum of the total deposits minus applicable deposit fees and refunds 37 * @return transaction status 38 */ 39 enum GNUNET_DB_QueryStatus 40 TALER_EXCHANGEDB_aggregate (struct TALER_EXCHANGEDB_PostgresContext *pg, 41 const struct TALER_FullPaytoHashP *h_payto, 42 const struct TALER_MerchantPublicKeyP *merchant_pub, 43 const struct TALER_WireTransferIdentifierRawP *wtid, 44 struct TALER_Amount *total); 45 46 #endif