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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_purse_merge.c
* @brief Implementation of the do_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_do_purse_merge.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_do_purse_merge (
void *cls,
const struct TALER_PurseContractPublicKeyP *purse_pub,
const struct TALER_PurseMergeSignatureP *merge_sig,
const struct GNUNET_TIME_Timestamp merge_timestamp,
const struct TALER_ReserveSignatureP *reserve_sig,
const char *partner_url,
const struct TALER_ReservePublicKeyP *reserve_pub,
bool *no_partner,
bool *no_balance,
bool *in_conflict)
{
struct PostgresClosure *pg = cls;
struct TALER_PaytoHashP h_payto;
struct GNUNET_TIME_Timestamp expiration
= GNUNET_TIME_relative_to_timestamp (pg->legal_reserve_expiration_time);
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (purse_pub),
GNUNET_PQ_query_param_auto_from_type (merge_sig),
GNUNET_PQ_query_param_timestamp (&merge_timestamp),
GNUNET_PQ_query_param_auto_from_type (reserve_sig),
(NULL == partner_url)
? GNUNET_PQ_query_param_null ()
: GNUNET_PQ_query_param_string (partner_url),
GNUNET_PQ_query_param_auto_from_type (reserve_pub),
GNUNET_PQ_query_param_auto_from_type (&h_payto),
GNUNET_PQ_query_param_timestamp (&expiration),
GNUNET_PQ_query_param_end
};
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_bool ("no_partner",
no_partner),
GNUNET_PQ_result_spec_bool ("no_balance",
no_balance),
GNUNET_PQ_result_spec_bool ("conflict",
in_conflict),
GNUNET_PQ_result_spec_end
};
{
char *payto_uri;
payto_uri = TALER_reserve_make_payto (pg->exchange_url,
reserve_pub);
TALER_payto_hash (payto_uri,
&h_payto);
GNUNET_free (payto_uri);
}
/* Used in #postgres_do_purse_merge() */
PREPARE (pg,
"call_purse_merge",
"SELECT"
" out_no_partner AS no_partner"
",out_no_balance AS no_balance"
",out_conflict AS conflict"
" FROM exchange_do_purse_merge"
" ($1, $2, $3, $4, $5, $6, $7, $8);");
return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"call_purse_merge",
params,
rs);
}
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