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/pg_get_wire_fee.c
      18              :  * @brief Implementation of the get_wire_fee function for Postgres
      19              :  * @author Christian Grothoff
      20              :  */
      21              : #include "taler/platform.h"
      22              : #include "taler/taler_error_codes.h"
      23              : #include "taler/taler_dbevents.h"
      24              : #include "taler/taler_pq_lib.h"
      25              : #include "pg_get_wire_fee.h"
      26              : #include "pg_helper.h"
      27              : 
      28              : enum GNUNET_DB_QueryStatus
      29           90 : TEH_PG_get_wire_fee (
      30              :   void *cls,
      31              :   const char *type,
      32              :   struct GNUNET_TIME_Timestamp date,
      33              :   uint64_t *rowid,
      34              :   struct GNUNET_TIME_Timestamp *start_date,
      35              :   struct GNUNET_TIME_Timestamp *end_date,
      36              :   struct TALER_WireFeeSet *fees,
      37              :   struct TALER_MasterSignatureP *master_sig)
      38              : {
      39           90 :   struct PostgresClosure *pg = cls;
      40           90 :   struct GNUNET_PQ_QueryParam params[] = {
      41           90 :     GNUNET_PQ_query_param_string (type),
      42           90 :     GNUNET_PQ_query_param_timestamp (&date),
      43              :     GNUNET_PQ_query_param_end
      44              :   };
      45           90 :   struct GNUNET_PQ_ResultSpec rs[] = {
      46           90 :     GNUNET_PQ_result_spec_uint64 ("wire_fee_serial",
      47              :                                   rowid),
      48           90 :     GNUNET_PQ_result_spec_timestamp ("start_date",
      49              :                                      start_date),
      50           90 :     GNUNET_PQ_result_spec_timestamp ("end_date",
      51              :                                      end_date),
      52           90 :     TALER_PQ_RESULT_SPEC_AMOUNT ("wire_fee",
      53              :                                  &fees->wire),
      54           90 :     TALER_PQ_RESULT_SPEC_AMOUNT ("closing_fee",
      55              :                                  &fees->closing),
      56           90 :     GNUNET_PQ_result_spec_auto_from_type ("master_sig",
      57              :                                           master_sig),
      58              :     GNUNET_PQ_result_spec_end
      59              :   };
      60              : 
      61           90 :   PREPARE (pg,
      62              :            "get_wire_fee",
      63              :            "SELECT"
      64              :            " wire_fee_serial"
      65              :            ",start_date"
      66              :            ",end_date"
      67              :            ",wire_fee"
      68              :            ",closing_fee"
      69              :            ",master_sig"
      70              :            " FROM wire_fee"
      71              :            " WHERE wire_method=$1"
      72              :            "   AND start_date <= $2"
      73              :            "   AND end_date > $2;");
      74           90 :   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      75              :                                                    "get_wire_fee",
      76              :                                                    params,
      77              :                                                    rs);
      78              : }