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/*
This file is part of TALER
Copyright (C) 2023 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_get_signature_for_known_coin.h
* @brief implementation of the get_signature_for_known_coin function for Postgres
* @author Özgür Kesim
*/
#ifndef PG_GET_SIGNATURE_FOR_KNOWN_COIN_H
#define PG_GET_SIGNATURE_FOR_KNOWN_COIN_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Retrieve the denomination and the corresponding signature for a known coin.
*
* @param cls the plugin closure
* @param coin_pub the public key of the coin to search for
* @param[out] denom_pub the denomination of the public key, if coin was present
* @param[out] denom_sig the signature with the denomination key of the coin, if coin was present
* @return transaction status code
*/
enum GNUNET_DB_QueryStatus
TEH_PG_get_signature_for_known_coin (
void *cls,
const struct TALER_CoinSpendPublicKeyP *coin_pub,
struct TALER_DenominationPublicKey *denom_pub,
struct TALER_DenominationSignature *denom_sig);
#endif
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