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_global_fee.c
      18              :  * @brief Implementation of the get_global_fee function for Postgres
      19              :  * @author Christian Grothoff
      20              :  */
      21              : #include "taler/taler_error_codes.h"
      22              : #include "taler/taler_dbevents.h"
      23              : #include "taler/taler_pq_lib.h"
      24              : #include "exchange-database/get_global_fee.h"
      25              : #include "helper.h"
      26              : 
      27              : 
      28              : enum GNUNET_DB_QueryStatus
      29           34 : TALER_EXCHANGEDB_get_global_fee (struct TALER_EXCHANGEDB_PostgresContext *pg,
      30              :                                  struct GNUNET_TIME_Timestamp date,
      31              :                                  struct GNUNET_TIME_Timestamp *start_date,
      32              :                                  struct GNUNET_TIME_Timestamp *end_date,
      33              :                                  struct TALER_GlobalFeeSet *fees,
      34              :                                  struct GNUNET_TIME_Relative *purse_timeout,
      35              :                                  struct GNUNET_TIME_Relative *history_expiration
      36              :                                  ,
      37              :                                  uint32_t *purse_account_limit,
      38              :                                  struct TALER_MasterSignatureP *master_sig)
      39              : {
      40           34 :   struct GNUNET_PQ_QueryParam params[] = {
      41           34 :     GNUNET_PQ_query_param_timestamp (&date),
      42              :     GNUNET_PQ_query_param_end
      43              :   };
      44           34 :   struct GNUNET_PQ_ResultSpec rs[] = {
      45           34 :     GNUNET_PQ_result_spec_timestamp ("start_date",
      46              :                                      start_date),
      47           34 :     GNUNET_PQ_result_spec_timestamp ("end_date",
      48              :                                      end_date),
      49           34 :     TALER_PQ_RESULT_SPEC_AMOUNT ("history_fee",
      50              :                                  &fees->history),
      51           34 :     TALER_PQ_RESULT_SPEC_AMOUNT ("account_fee",
      52              :                                  &fees->account),
      53           34 :     TALER_PQ_RESULT_SPEC_AMOUNT ("purse_fee",
      54              :                                  &fees->purse),
      55           34 :     GNUNET_PQ_result_spec_relative_time ("purse_timeout",
      56              :                                          purse_timeout),
      57           34 :     GNUNET_PQ_result_spec_relative_time ("history_expiration",
      58              :                                          history_expiration),
      59           34 :     GNUNET_PQ_result_spec_uint32 ("purse_account_limit",
      60              :                                   purse_account_limit),
      61           34 :     GNUNET_PQ_result_spec_auto_from_type ("master_sig",
      62              :                                           master_sig),
      63              :     GNUNET_PQ_result_spec_end
      64              :   };
      65              : 
      66           34 :   PREPARE (pg,
      67              :            "get_global_fee",
      68              :            "SELECT "
      69              :            " start_date"
      70              :            ",end_date"
      71              :            ",history_fee"
      72              :            ",account_fee"
      73              :            ",purse_fee"
      74              :            ",purse_timeout"
      75              :            ",history_expiration"
      76              :            ",purse_account_limit"
      77              :            ",master_sig"
      78              :            " FROM global_fee"
      79              :            " WHERE start_date <= $1"
      80              :            "   AND end_date > $1;");
      81           34 :   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      82              :                                                    "get_global_fee",
      83              :                                                    params,
      84              :                                                    rs);
      85              : }