Line data    Source code

       1              : /*
       2              :    This file is part of TALER
       3              :    Copyright (C) 2022 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 exchangedb/get_wire_fee.c
      18              :  * @brief Implementation of the get_wire_fee function for Postgres
      19              :  * @author Christian Grothoff
      20              :  */
      21              : #include "taler/taler_pq_lib.h"
      22              : #include "exchange-database/get_wire_fee.h"
      23              : #include "helper.h"
      24              : 
      25              : enum GNUNET_DB_QueryStatus
      26          107 : TALER_EXCHANGEDB_get_wire_fee (
      27              :   struct TALER_EXCHANGEDB_PostgresContext *pg,
      28              :   const char *type,
      29              :   struct GNUNET_TIME_Timestamp date,
      30              :   uint64_t *rowid,
      31              :   struct GNUNET_TIME_Timestamp *start_date,
      32              :   struct GNUNET_TIME_Timestamp *end_date,
      33              :   struct TALER_WireFeeSet *fees,
      34              :   struct TALER_MasterSignatureP *master_sig)
      35              : {
      36          107 :   struct GNUNET_PQ_QueryParam params[] = {
      37          107 :     GNUNET_PQ_query_param_string (type),
      38          107 :     GNUNET_PQ_query_param_timestamp (&date),
      39              :     GNUNET_PQ_query_param_end
      40              :   };
      41          107 :   struct GNUNET_PQ_ResultSpec rs[] = {
      42          107 :     GNUNET_PQ_result_spec_uint64 ("wire_fee_serial",
      43              :                                   rowid),
      44          107 :     GNUNET_PQ_result_spec_timestamp ("start_date",
      45              :                                      start_date),
      46          107 :     GNUNET_PQ_result_spec_timestamp ("end_date",
      47              :                                      end_date),
      48          107 :     TALER_PQ_RESULT_SPEC_AMOUNT ("wire_fee",
      49              :                                  &fees->wire),
      50          107 :     TALER_PQ_RESULT_SPEC_AMOUNT ("closing_fee",
      51              :                                  &fees->closing),
      52          107 :     GNUNET_PQ_result_spec_auto_from_type ("master_sig",
      53              :                                           master_sig),
      54              :     GNUNET_PQ_result_spec_end
      55              :   };
      56              : 
      57          107 :   PREPARE (pg,
      58              :            "get_wire_fee",
      59              :            "SELECT"
      60              :            " wire_fee_serial"
      61              :            ",start_date"
      62              :            ",end_date"
      63              :            ",wire_fee"
      64              :            ",closing_fee"
      65              :            ",master_sig"
      66              :            " FROM wire_fee"
      67              :            " WHERE wire_method=$1"
      68              :            "   AND start_date <= $2"
      69              :            "   AND end_date > $2;");
      70          107 :   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      71              :                                                    "get_wire_fee",
      72              :                                                    params,
      73              :                                                    rs);
      74              : }