get_pending_aggregation.h (2722B)
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/exchange-database/get_pending_aggregation.h 18 * @brief implementation of the get_pending_aggregation function 19 * @author Christian Grothoff 20 */ 21 #ifndef EXCHANGE_DATABASE_GET_PENDING_AGGREGATION_H 22 #define EXCHANGE_DATABASE_GET_PENDING_AGGREGATION_H 23 24 #include "taler/taler_util.h" 25 #include "exchangedb_lib.h" 26 27 28 /** 29 * Obtain the deposits that were aggregated into the wire transfer @a wtid but 30 * that the exchange has not (yet) executed, that is: for which there is no 31 * `wire_out` row. 32 * 33 * The three totals are returned separately rather than netted out because the 34 * exchange nets them out itself in `exchange_do_aggregate`, and the caller has 35 * to be able to reproduce that arithmetic exactly: the amount the exchange 36 * still owes is @a total_deposited - @a total_refunded - @a total_deposit_fee, 37 * where the deposit fee is *not* charged for coins that were refunded in full. 38 * 39 * @param pg the database context 40 * @param wtid wire transfer identifier to look up 41 * @param[out] wire_target_h_payto set to the account the transfer should go to 42 * @param[out] payto_uri set to the URI of that account, to be freed by the 43 * caller; needed because the normalized form of the account is not 44 * replicated to an external auditor 45 * @param[out] total_deposited set to the sum of the deposited amounts 46 * @param[out] total_refunded set to the sum of the refunded amounts 47 * @param[out] total_deposit_fee set to the sum of the deposit fees charged 48 * @return #GNUNET_DB_STATUS_SUCCESS_NO_RESULTS if the transfer was executed, 49 * or if no deposit was aggregated into @a wtid at all 50 */ 51 enum GNUNET_DB_QueryStatus 52 TALER_EXCHANGEDB_get_pending_aggregation ( 53 struct TALER_EXCHANGEDB_PostgresContext *pg, 54 const struct TALER_WireTransferIdentifierRawP *wtid, 55 struct TALER_FullPaytoHashP *wire_target_h_payto, 56 struct TALER_FullPayto *payto_uri, 57 struct TALER_Amount *total_deposited, 58 struct TALER_Amount *total_refunded, 59 struct TALER_Amount *total_deposit_fee); 60 61 #endif