count_known_coins.h (1482B)
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/count_known_coins.h 18 * @brief implementation of the count_known_coins function for Postgres 19 * @author Christian Grothoff 20 */ 21 #ifndef EXCHANGE_DATABASE_COUNT_KNOWN_COINS_H 22 #define EXCHANGE_DATABASE_COUNT_KNOWN_COINS_H 23 24 #include "taler/taler_json_lib.h" 25 #include "exchangedb_lib.h" 26 27 /** 28 * Count the number of known coins by denomination. 29 * 30 * @param pg the database context 31 * @param denom_pub_hash denomination to count by 32 * @return number of coins if non-negative, otherwise an `enum GNUNET_DB_QueryStatus` 33 */ 34 long long 35 TALER_EXCHANGEDB_count_known_coins (struct TALER_EXCHANGEDB_PostgresContext *pg, 36 const struct 37 TALER_DenominationHashP *denom_pub_hash); 38 39 #endif