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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 backenddb/pg_check_transfer_exists.h
* @brief implementation of the check_transfer_exists function for Postgres
* @author Iván Ávalos
*/
#ifndef PG_CHECK_TRANSFER_EXISTS_H
#define PG_CHECK_TRANSFER_EXISTS_H
#include <taler/taler_util.h>
#include <taler/taler_json_lib.h>
#include "taler_merchantdb_plugin.h"
/**
* Check if information about a transfer exists with the
* backend. Returns no data, only the query status.
*
* @param cls closure
* @param instance_id instance to delete transfer of
* @param transfer_serial_id transfer to delete
* @return DB status code, #GNUNET_DB_STATUS_SUCCESS_ONE_RESULT
* if the transfer record exists
*/
enum GNUNET_DB_QueryStatus
TMH_PG_check_transfer_exists (void *cls,
const char *instance_id,
uint64_t transfer_serial_id);
#endif
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