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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_select_purse_merge.c
* @brief Implementation of the select_purse_merge function for Postgres
* @author Christian Grothoff
*/
#include "platform.h"
#include "taler_error_codes.h"
#include "taler_dbevents.h"
#include "taler_pq_lib.h"
#include "pg_select_purse_merge.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_select_purse_merge (
void *cls,
const struct TALER_PurseContractPublicKeyP *purse_pub,
struct TALER_PurseMergeSignatureP *merge_sig,
struct GNUNET_TIME_Timestamp *merge_timestamp,
char **partner_url,
struct TALER_ReservePublicKeyP *reserve_pub)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (purse_pub),
GNUNET_PQ_query_param_end
};
bool is_null;
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_auto_from_type ("merge_sig",
merge_sig),
GNUNET_PQ_result_spec_auto_from_type ("reserve_pub",
reserve_pub),
GNUNET_PQ_result_spec_timestamp ("merge_timestamp",
merge_timestamp),
GNUNET_PQ_result_spec_allow_null (
GNUNET_PQ_result_spec_string ("partner_base_url",
partner_url),
&is_null),
GNUNET_PQ_result_spec_end
};
*partner_url = NULL;
/* Used in #postgres_select_purse_merge */
PREPARE (pg,
"select_purse_merge",
"SELECT "
" reserve_pub"
",merge_sig"
",merge_timestamp"
",partner_base_url"
" FROM purse_merges"
" LEFT JOIN partners USING (partner_serial_id)"
" WHERE purse_pub=$1;");
return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"select_purse_merge",
params,
rs);
}
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