pg_ensure_coin_known.h (1870B)
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 exchangedb/pg_ensure_coin_known.h 18 * @brief implementation of the ensure_coin_known function for Postgres 19 * @author Christian Grothoff 20 */ 21 #ifndef PG_ENSURE_COIN_KNOWN_H 22 #define PG_ENSURE_COIN_KNOWN_H 23 24 #include "taler/taler_util.h" 25 #include "taler/taler_json_lib.h" 26 #include "taler/taler_exchangedb_plugin.h" 27 /** 28 * Make sure the given @a coin is known to the database. 29 * 30 * @param cls database connection plugin state 31 * @param coin the coin that must be made known 32 * @param[out] known_coin_id set to the unique row of the coin 33 * @param[out] denom_hash set to the denomination hash of the existing 34 * coin (for conflict error reporting) 35 * @param[out] h_age_commitment set to the conflicting age commitment hash on conflict 36 * @return database transaction status, non-negative on success 37 */ 38 enum TALER_EXCHANGEDB_CoinKnownStatus 39 TEH_PG_ensure_coin_known (void *cls, 40 const struct TALER_CoinPublicInfo *coin, 41 uint64_t *known_coin_id, 42 struct TALER_DenominationHashP *denom_hash, 43 struct TALER_AgeCommitmentHashP *h_age_commitment); 44 45 #endif