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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 backenddb/pg_refund_coin.h
* @brief implementation of the refund_coin function for Postgres
* @author Iván Ávalos
*/
#ifndef PG_REFUND_COIN_H
#define PG_REFUND_COIN_H
#include <taler/taler_util.h>
#include <taler/taler_json_lib.h>
#include "taler_merchantdb_plugin.h"
/**
* Function called during aborts to refund a coin. Marks the
* respective coin as refunded.
*
* @param cls closure
* @param instance_id instance to refund payment for
* @param h_contract_terms hash of the contract to refund coin for
* @param refund_timestamp timestamp of the refund
* @param coin_pub public key of the coin to refund (fully)
* @param reason text justifying the refund
* @return transaction status
* #GNUNET_DB_STATUS_SUCCESS_NO_RESULTS if @a coin_pub is unknown to us;
* #GNUNET_DB_STATUS_SUCCESS_ONE_RESULT if the request is valid,
* regardless of whether it actually increased the refund
*/
enum GNUNET_DB_QueryStatus
TMH_PG_refund_coin (void *cls,
const char *instance_id,
const struct TALER_PrivateContractHashP *h_contract_terms,
struct GNUNET_TIME_Timestamp refund_timestamp,
const struct TALER_CoinSpendPublicKeyP *coin_pub,
const char *reason);
#endif
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