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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_get_wire_fee.c
* @brief Implementation of the get_wire_fee 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_wire_fee.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_get_wire_fee (void *cls,
const char *type,
struct GNUNET_TIME_Timestamp date,
struct GNUNET_TIME_Timestamp *start_date,
struct GNUNET_TIME_Timestamp *end_date,
struct TALER_WireFeeSet *fees,
struct TALER_MasterSignatureP *master_sig)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_string (type),
GNUNET_PQ_query_param_timestamp (&date),
GNUNET_PQ_query_param_end
};
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_timestamp ("start_date",
start_date),
GNUNET_PQ_result_spec_timestamp ("end_date",
end_date),
TALER_PQ_RESULT_SPEC_AMOUNT ("wire_fee",
&fees->wire),
TALER_PQ_RESULT_SPEC_AMOUNT ("closing_fee",
&fees->closing),
GNUNET_PQ_result_spec_auto_from_type ("master_sig",
master_sig),
GNUNET_PQ_result_spec_end
};
/* Used in #postgres_get_wire_fee() */
PREPARE(pg,
"get_wire_fee",
"SELECT "
" start_date"
",end_date"
",wire_fee_val"
",wire_fee_frac"
",closing_fee_val"
",closing_fee_frac"
",master_sig"
" FROM wire_fee"
" WHERE wire_method=$1"
" AND start_date <= $2"
" AND end_date > $2;");
return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"get_wire_fee",
params,
rs);
}
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