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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_count_known_coins.h
* @brief implementation of the count_known_coins function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_COUNT_KNOWN_COINS_H
#define PG_COUNT_KNOWN_COINS_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Count the number of known coins by denomination.
*
* @param cls database connection plugin state
* @param denom_pub_hash denomination to count by
* @return number of coins if non-negative, otherwise an `enum GNUNET_DB_QueryStatus`
*/
long long
TEH_PG_count_known_coins (void *cls,
const struct
TALER_DenominationHashP *denom_pub_hash);
#endif
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