exchange/src/exchangedb/pg_get_purse_deposit.c
2023-03-31 13:50:32 +02:00

86 lines
3.1 KiB
C

/*
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_get_purse_deposit.c
* @brief Implementation of the get_purse_deposit 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_get_purse_deposit.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_get_purse_deposit (
void *cls,
const struct TALER_PurseContractPublicKeyP *purse_pub,
const struct TALER_CoinSpendPublicKeyP *coin_pub,
struct TALER_Amount *amount,
struct TALER_DenominationHashP *h_denom_pub,
struct TALER_AgeCommitmentHash *phac,
struct TALER_CoinSpendSignatureP *coin_sig,
char **partner_url)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (purse_pub),
GNUNET_PQ_query_param_auto_from_type (coin_pub),
GNUNET_PQ_query_param_end
};
bool is_null;
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_auto_from_type ("denom_pub_hash",
h_denom_pub),
GNUNET_PQ_result_spec_auto_from_type ("age_commitment_hash",
phac),
GNUNET_PQ_result_spec_auto_from_type ("coin_sig",
coin_sig),
TALER_PQ_RESULT_SPEC_AMOUNT ("amount_with_fee",
amount),
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_get_purse_deposit */
PREPARE (pg,
"select_purse_deposit_by_coin_pub",
"SELECT "
" coin_sig"
",amount_with_fee_val"
",amount_with_fee_frac"
",denom_pub_hash"
",age_commitment_hash"
",partner_base_url"
" FROM purse_deposits"
" LEFT JOIN partners USING (partner_serial_id)"
" JOIN known_coins kc USING (coin_pub)"
" JOIN denominations USING (denominations_serial)"
" WHERE coin_pub=$2"
" AND purse_pub=$1;");
return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"select_purse_deposit_by_coin_pub",
params,
rs);
}