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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_ready_deposit.c
* @brief Implementation of the get_ready_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_ready_deposit.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_get_ready_deposit (void *cls,
uint64_t start_shard_row,
uint64_t end_shard_row,
struct TALER_MerchantPublicKeyP *merchant_pub,
char **payto_uri)
{
struct PostgresClosure *pg = cls;
struct GNUNET_TIME_Absolute now = {0};
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_absolute_time (&now),
GNUNET_PQ_query_param_uint64 (&start_shard_row),
GNUNET_PQ_query_param_uint64 (&end_shard_row),
GNUNET_PQ_query_param_end
};
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_auto_from_type ("merchant_pub",
merchant_pub),
GNUNET_PQ_result_spec_string ("payto_uri",
payto_uri),
GNUNET_PQ_result_spec_end
};
now = GNUNET_TIME_absolute_round_down (GNUNET_TIME_absolute_get (),
pg->aggregator_shift);
GNUNET_assert (start_shard_row < end_shard_row);
GNUNET_assert (end_shard_row <= INT32_MAX);
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"Finding ready deposits by deadline %s (%llu)\n",
GNUNET_TIME_absolute2s (now),
(unsigned long long) now.abs_value_us);
PREPARE (pg,
"deposits_get_ready",
"SELECT"
" payto_uri"
",merchant_pub"
" FROM deposits_by_ready dbr"
" JOIN deposits dep"
" ON (dbr.coin_pub = dep.coin_pub AND"
" dbr.deposit_serial_id = dep.deposit_serial_id)"
" JOIN wire_targets wt"
" USING (wire_target_h_payto)"
" WHERE dbr.wire_deadline<=$1"
" AND dbr.shard >= $2"
" AND dbr.shard <= $3"
" ORDER BY "
" dbr.wire_deadline ASC"
" ,dbr.shard ASC"
" LIMIT 1;");
return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"deposits_get_ready",
params,
rs);
}
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