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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_do_refund.h
* @brief implementation of the do_refund function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_DO_REFUND_H
#define PG_DO_REFUND_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Perform refund operation, checking for sufficient deposits
* of the coin and possibly persisting the refund details.
*
* @param cls the `struct PostgresClosure` with the plugin-specific state
* @param refund refund operation details
* @param deposit_fee deposit fee applicable for the coin, possibly refunded
* @param known_coin_id row of the coin in the known_coins table
* @param[out] not_found set if the deposit was not found
* @param[out] refund_ok set if the refund succeeded (below deposit amount)
* @param[out] gone if the merchant was already paid
* @param[out] conflict set if the refund ID was re-used
* @return query execution status
*/
enum GNUNET_DB_QueryStatus
TEH_PG_do_refund (
void *cls,
const struct TALER_EXCHANGEDB_Refund *refund,
const struct TALER_Amount *deposit_fee,
uint64_t known_coin_id,
bool *not_found,
bool *refund_ok,
bool *gone,
bool *conflict);
#endif
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