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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.c
* @brief Implementation of the refund_coin function for Postgres
* @author Iván Ávalos
*/
#include "platform.h"
#include <taler/taler_error_codes.h>
#include <taler/taler_dbevents.h>
#include <taler/taler_pq_lib.h>
#include "pg_refund_coin.h"
#include "pg_helper.h"
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)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_string (instance_id),
GNUNET_PQ_query_param_auto_from_type (h_contract_terms),
GNUNET_PQ_query_param_timestamp (&refund_timestamp),
GNUNET_PQ_query_param_auto_from_type (coin_pub),
GNUNET_PQ_query_param_string (reason),
GNUNET_PQ_query_param_end
};
PREPARE (pg,
"refund_coin",
"INSERT INTO merchant_refunds"
"(order_serial"
",rtransaction_id"
",refund_timestamp"
",coin_pub"
",reason"
",refund_amount"
") "
"SELECT "
" dcon.order_serial"
",0" /* rtransaction_id always 0 for /abort */
",$3"
",dep.coin_pub"
",$5"
",dep.amount_with_fee"
" FROM merchant_deposits dep"
" JOIN merchant_deposit_confirmations dcon"
" USING (deposit_confirmation_serial)"
" WHERE dep.coin_pub=$4"
" AND dcon.order_serial="
" (SELECT order_serial"
" FROM merchant_contract_terms"
" WHERE h_contract_terms=$2"
" AND merchant_serial="
" (SELECT merchant_serial"
" FROM merchant_instances"
" WHERE merchant_id=$1))");
return GNUNET_PQ_eval_prepared_non_select (pg->conn,
"refund_coin",
params);
}
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