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Diffstat (limited to 'src/backenddb/pg_lookup_wire_fee.c')
-rw-r--r-- | src/backenddb/pg_lookup_wire_fee.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/src/backenddb/pg_lookup_wire_fee.c b/src/backenddb/pg_lookup_wire_fee.c new file mode 100644 index 00000000..9ef680a5 --- /dev/null +++ b/src/backenddb/pg_lookup_wire_fee.c @@ -0,0 +1,83 @@ +/* + This file is part of TALER + Copyright (C) 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 backenddb/pg_lookup_wire_fee.c + * @brief Implementation of the lookup_wire_fee function for Postgres + * @author Iván Ávalos + */ +#include "platform.h" +#include <taler/taler_error_codes.h> +#include <taler/taler_dbevents.h> +#include <taler/taler_pq_lib.h> +#include "pg_lookup_wire_fee.h" +#include "pg_helper.h" + +enum GNUNET_DB_QueryStatus +TMH_PG_lookup_wire_fee (void *cls, + const struct TALER_MasterPublicKeyP *master_pub, + const char *wire_method, + struct GNUNET_TIME_Timestamp contract_date, + struct TALER_WireFeeSet *fees, + struct GNUNET_TIME_Timestamp *start_date, + struct GNUNET_TIME_Timestamp *end_date, + struct TALER_MasterSignatureP *master_sig) +{ + struct PostgresClosure *pg = cls; + struct GNUNET_HashCode h_wire_method; + struct GNUNET_PQ_QueryParam params[] = { + GNUNET_PQ_query_param_auto_from_type (master_pub), + GNUNET_PQ_query_param_auto_from_type (&h_wire_method), + GNUNET_PQ_query_param_timestamp (&contract_date), + GNUNET_PQ_query_param_end + }; + struct GNUNET_PQ_ResultSpec rs[] = { + TALER_PQ_result_spec_amount_with_currency ("wire_fee", + &fees->wire), + TALER_PQ_result_spec_amount_with_currency ("closing_fee", + &fees->closing), + GNUNET_PQ_result_spec_timestamp ("start_date", + start_date), + GNUNET_PQ_result_spec_timestamp ("end_date", + end_date), + GNUNET_PQ_result_spec_auto_from_type ("master_sig", + master_sig), + GNUNET_PQ_result_spec_end + }; + + check_connection (pg); + GNUNET_CRYPTO_hash (wire_method, + strlen (wire_method) + 1, + &h_wire_method); + + PREPARE (pg, + "lookup_wire_fee", + "SELECT" + " wire_fee" + ",closing_fee" + ",start_date" + ",end_date" + ",master_sig" + " FROM merchant_exchange_wire_fees" + " WHERE master_pub=$1" + " AND h_wire_method=$2" + " AND start_date <= $3" + " AND end_date > $3"); + + return GNUNET_PQ_eval_prepared_singleton_select (pg->conn, + "lookup_wire_fee", + params, + rs); +} |