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/*
This file is part of TALER
Copyright (C) 2022 Taler Systems SA
TALER is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 3, or (at your option) any later version.
TALER is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
/**
* @file exchangedb/pg_ensure_coin_known.h
* @brief implementation of the ensure_coin_known function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_ENSURE_COIN_KNOWN_H
#define PG_ENSURE_COIN_KNOWN_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Make sure the given @a coin is known to the database.
*
* @param cls database connection plugin state
* @param coin the coin that must be made known
* @param[out] known_coin_id set to the unique row of the coin
* @param[out] denom_hash set to the denomination hash of the existing
* coin (for conflict error reporting)
* @param[out] h_age_commitment set to the conflicting age commitment hash on conflict
* @return database transaction status, non-negative on success
*/
enum TALER_EXCHANGEDB_CoinKnownStatus
TEH_PG_ensure_coin_known (void *cls,
const struct TALER_CoinPublicInfo *coin,
uint64_t *known_coin_id,
struct TALER_DenominationHashP *denom_hash,
struct TALER_AgeCommitmentHash *h_age_commitment);
#endif
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