lookup_wire_fee.c (3344B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2023 Taler Systems SA 4 5 TALER is free software; you can redistribute it and/or modify it under the 6 terms of the GNU General Public License as published by the Free Software 7 Foundation; either version 3, or (at your option) any later version. 8 9 TALER is distributed in the hope that it will be useful, but WITHOUT ANY 10 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR 11 A PARTICULAR PURPOSE. See the GNU General Public License for more details. 12 13 You should have received a copy of the GNU General Public License along with 14 TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/> 15 */ 16 /** 17 * @file src/backenddb/lookup_wire_fee.c 18 * @brief Implementation of the lookup_wire_fee function for Postgres 19 * @author Iván Ávalos 20 */ 21 #include "platform.h" 22 #include <taler/taler_error_codes.h> 23 #include <taler/taler_dbevents.h> 24 #include <taler/taler_pq_lib.h> 25 #include "merchant-database/lookup_wire_fee.h" 26 #include "helper.h" 27 28 enum GNUNET_DB_QueryStatus 29 TALER_MERCHANTDB_lookup_wire_fee (struct TALER_MERCHANTDB_PostgresContext *pg, 30 const struct TALER_MasterPublicKeyP *master_pub, 31 const char *wire_method, 32 struct GNUNET_TIME_Timestamp contract_date, 33 struct TALER_WireFeeSet *fees, 34 struct GNUNET_TIME_Timestamp *start_date, 35 struct GNUNET_TIME_Timestamp *end_date, 36 struct TALER_MasterSignatureP *master_sig) 37 { 38 struct GNUNET_HashCode h_wire_method; 39 struct GNUNET_PQ_QueryParam params[] = { 40 GNUNET_PQ_query_param_auto_from_type (master_pub), 41 GNUNET_PQ_query_param_auto_from_type (&h_wire_method), 42 GNUNET_PQ_query_param_timestamp (&contract_date), 43 GNUNET_PQ_query_param_end 44 }; 45 struct GNUNET_PQ_ResultSpec rs[] = { 46 TALER_PQ_result_spec_amount_with_currency ("wire_fee", 47 &fees->wire), 48 TALER_PQ_result_spec_amount_with_currency ("closing_fee", 49 &fees->closing), 50 GNUNET_PQ_result_spec_timestamp ("start_date", 51 start_date), 52 GNUNET_PQ_result_spec_timestamp ("end_date", 53 end_date), 54 GNUNET_PQ_result_spec_auto_from_type ("master_sig", 55 master_sig), 56 GNUNET_PQ_result_spec_end 57 }; 58 59 check_connection (pg); 60 GNUNET_CRYPTO_hash (wire_method, 61 strlen (wire_method) + 1, 62 &h_wire_method); 63 PREPARE (pg, 64 "lookup_wire_fee", 65 "SELECT" 66 " wire_fee" 67 ",closing_fee" 68 ",start_date" 69 ",end_date" 70 ",master_sig" 71 " FROM merchant_exchange_wire_fees" 72 " WHERE master_pub=$1" 73 " AND h_wire_method=$2" 74 " AND start_date <= $3" 75 " AND end_date > $3"); 76 return GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 77 "lookup_wire_fee", 78 params, 79 rs); 80 }