diff options
Diffstat (limited to 'src/exchangedb/pg_get_ready_deposit.c')
-rw-r--r-- | src/exchangedb/pg_get_ready_deposit.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/src/exchangedb/pg_get_ready_deposit.c b/src/exchangedb/pg_get_ready_deposit.c new file mode 100644 index 000000000..741a480d2 --- /dev/null +++ b/src/exchangedb/pg_get_ready_deposit.c @@ -0,0 +1,94 @@ +/* + 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); + + + /* Used in #postgres_get_ready_deposit() */ + 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); +} + + + + + + |