diff options
Diffstat (limited to 'src/exchangedb/pg_do_reserve_open.c')
-rw-r--r-- | src/exchangedb/pg_do_reserve_open.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/src/exchangedb/pg_do_reserve_open.c b/src/exchangedb/pg_do_reserve_open.c new file mode 100644 index 000000000..b15c96dd1 --- /dev/null +++ b/src/exchangedb/pg_do_reserve_open.c @@ -0,0 +1,101 @@ +/* + 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 pg_do_reserve_open.c + * @brief Low-level (statement-level) Postgres database access for the exchange + * @author Christian Grothoff + */ +#include "platform.h" +#include "taler_error_codes.h" +#include "taler_dbevents.h" +#include "taler_pq_lib.h" +#include "pg_do_reserve_open.h" +#include "pg_helper.h" + + +enum GNUNET_DB_QueryStatus +TEH_PG_do_reserve_open ( + void *cls, + const struct TALER_ReservePublicKeyP *reserve_pub, + const struct TALER_Amount *total_paid, + const struct TALER_Amount *reserve_payment, + uint32_t min_purse_limit, + const struct TALER_ReserveSignatureP *reserve_sig, + struct GNUNET_TIME_Timestamp desired_expiration, + struct GNUNET_TIME_Timestamp now, + const struct TALER_Amount *open_fee, + bool *no_funds, + struct TALER_Amount *reserve_balance, + struct TALER_Amount *open_cost, + struct GNUNET_TIME_Timestamp *final_expiration) +{ + struct PostgresClosure *pg = cls; + struct GNUNET_PQ_QueryParam params[] = { + GNUNET_PQ_query_param_auto_from_type (reserve_pub), + TALER_PQ_query_param_amount ( + pg->conn, + total_paid), + TALER_PQ_query_param_amount ( + pg->conn, + reserve_payment), + GNUNET_PQ_query_param_uint32 (&min_purse_limit), + GNUNET_PQ_query_param_uint32 (&pg->def_purse_limit), + GNUNET_PQ_query_param_auto_from_type (reserve_sig), + GNUNET_PQ_query_param_timestamp (&desired_expiration), + GNUNET_PQ_query_param_relative_time (&pg->legal_reserve_expiration_time), + GNUNET_PQ_query_param_timestamp (&now), + TALER_PQ_query_param_amount (pg->conn, + open_fee), + GNUNET_PQ_query_param_end + }; + bool no_reserve = true; + struct GNUNET_PQ_ResultSpec rs[] = { + TALER_PQ_result_spec_amount ("out_open_cost", + pg->currency, + open_cost), + TALER_PQ_result_spec_amount ("out_reserve_balance", + pg->currency, + reserve_balance), + GNUNET_PQ_result_spec_timestamp ("out_final_expiration", + final_expiration), + GNUNET_PQ_result_spec_bool ("out_no_reserve", + &no_reserve), + GNUNET_PQ_result_spec_bool ("out_no_funds", + no_funds), + GNUNET_PQ_result_spec_end + }; + enum GNUNET_DB_QueryStatus qs; + + PREPARE (pg, + "do_reserve_open", + "SELECT " + " out_open_cost" + ",out_final_expiration" + ",out_no_funds" + ",out_no_reserve" + ",out_reserve_balance" + " FROM exchange_do_reserve_open" + " ($1,$2,$3,$4,$5,$6,$7,$8,$9,$10);"); + qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn, + "do_reserve_open", + params, + rs); + if (qs <= 0) + return qs; + if (no_reserve) + return GNUNET_DB_STATUS_SUCCESS_NO_RESULTS; + return qs; +} |