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 "platform.h"
      22             : #include "taler_error_codes.h"
      23             : #include "taler_dbevents.h"
      24             : #include "taler_pq_lib.h"
      25             : #include "pg_get_wire_fee.h"
      26             : #include "pg_helper.h"
      27             : 
      28             : enum GNUNET_DB_QueryStatus
      29         125 : 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         125 :   struct PostgresClosure *pg = cls;
      40         125 :   struct GNUNET_PQ_QueryParam params[] = {
      41         125 :     GNUNET_PQ_query_param_string (type),
      42         125 :     GNUNET_PQ_query_param_timestamp (&date),
      43             :     GNUNET_PQ_query_param_end
      44             :   };
      45         125 :   struct GNUNET_PQ_ResultSpec rs[] = {
      46         125 :     GNUNET_PQ_result_spec_uint64 ("wire_fee_serial",
      47             :                                   rowid),
      48         125 :     GNUNET_PQ_result_spec_timestamp ("start_date",
      49             :                                      start_date),
      50         125 :     GNUNET_PQ_result_spec_timestamp ("end_date",
      51             :                                      end_date),
      52         125 :     TALER_PQ_RESULT_SPEC_AMOUNT ("wire_fee",
      53             :                                  &fees->wire),
      54         125 :     TALER_PQ_RESULT_SPEC_AMOUNT ("closing_fee",
      55             :                                  &fees->closing),
      56         125 :     GNUNET_PQ_result_spec_auto_from_type ("master_sig",
      57             :                                           master_sig),
      58             :     GNUNET_PQ_result_spec_end
      59             :   };
      60             : 
      61         125 :   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         125 :   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      75             :                                                    "get_wire_fee",
      76             :                                                    params,
      77             :                                                    rs);
      78             : }