Line data    Source code

       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/get_exchange_wire_fee.c
      18              :  * @brief Implementation of the get_exchange_wire_fee function for Postgres
      19              :  * @author Iván Ávalos
      20              :  */
      21              : #include "platform.h"
      22              : #include <taler/taler_pq_lib.h>
      23              : #include "merchant-database/get_exchange_wire_fee.h"
      24              : #include "helper.h"
      25              : 
      26              : 
      27              : enum GNUNET_DB_QueryStatus
      28           13 : TALER_MERCHANTDB_get_exchange_wire_fee (
      29              :   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           13 :   struct GNUNET_PQ_QueryParam params[] = {
      40           13 :     GNUNET_PQ_query_param_auto_from_type (master_pub),
      41           13 :     GNUNET_PQ_query_param_auto_from_type (&h_wire_method),
      42           13 :     GNUNET_PQ_query_param_timestamp (&contract_date),
      43              :     GNUNET_PQ_query_param_end
      44              :   };
      45           13 :   struct GNUNET_PQ_ResultSpec rs[] = {
      46           13 :     TALER_PQ_result_spec_amount_with_currency ("wire_fee",
      47              :                                                &fees->wire),
      48           13 :     TALER_PQ_result_spec_amount_with_currency ("closing_fee",
      49              :                                                &fees->closing),
      50           13 :     GNUNET_PQ_result_spec_timestamp ("start_date",
      51              :                                      start_date),
      52           13 :     GNUNET_PQ_result_spec_timestamp ("end_date",
      53              :                                      end_date),
      54           13 :     GNUNET_PQ_result_spec_auto_from_type ("master_sig",
      55              :                                           master_sig),
      56              :     GNUNET_PQ_result_spec_end
      57              :   };
      58              : 
      59           13 :   GNUNET_CRYPTO_hash (wire_method,
      60           13 :                       strlen (wire_method) + 1,
      61              :                       &h_wire_method);
      62           13 :   PREPARE (pg,
      63              :            "get_exchange_wire_fee",
      64              :            "SELECT"
      65              :            " wire_fee"
      66              :            ",closing_fee"
      67              :            ",start_date"
      68              :            ",end_date"
      69              :            ",master_sig"
      70              :            " FROM merchant.merchant_exchange_wire_fees"
      71              :            " WHERE master_pub=$1"
      72              :            "   AND h_wire_method=$2"
      73              :            "   AND start_date <= $3"
      74              :            "   AND end_date > $3");
      75           13 :   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      76              :                                                    "get_exchange_wire_fee",
      77              :                                                    params,
      78              :                                                    rs);
      79              : }