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/*
This file is part of TALER
Copyright (C) 2022, 2023 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
= GNUNET_TIME_absolute_get ();
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
};
const char *query = "deposits_get_ready";
PREPARE (pg,
query,
"SELECT"
" wts.payto_uri"
",bdep.merchant_pub"
" FROM batch_deposits bdep"
" JOIN wire_targets wts"
" USING (wire_target_h_payto)"
" WHERE NOT (bdep.done OR bdep.policy_blocked)"
" AND bdep.wire_deadline<=$1"
" AND bdep.shard >= $2"
" AND bdep.shard <= $3"
" ORDER BY "
" bdep.wire_deadline ASC"
" ,bdep.shard ASC"
" LIMIT 1;");
return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
query,
params,
rs);
}
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