diff options
Diffstat (limited to 'src/exchangedb/pg_get_ready_deposit.c')
-rw-r--r-- | src/exchangedb/pg_get_ready_deposit.c | 74 |
1 files changed, 74 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..d8344faf1 --- /dev/null +++ b/src/exchangedb/pg_get_ready_deposit.c @@ -0,0 +1,74 @@ +/* + 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); +} |