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_global_fee.c
      18              :  * @brief Implementation of the get_global_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_global_fee.h"
      26              : #include "pg_helper.h"
      27              : 
      28              : 
      29              : enum GNUNET_DB_QueryStatus
      30           17 : TEH_PG_get_global_fee (void *cls,
      31              :                        struct GNUNET_TIME_Timestamp date,
      32              :                        struct GNUNET_TIME_Timestamp *start_date,
      33              :                        struct GNUNET_TIME_Timestamp *end_date,
      34              :                        struct TALER_GlobalFeeSet *fees,
      35              :                        struct GNUNET_TIME_Relative *purse_timeout,
      36              :                        struct GNUNET_TIME_Relative *history_expiration,
      37              :                        uint32_t *purse_account_limit,
      38              :                        struct TALER_MasterSignatureP *master_sig)
      39              : {
      40           17 :   struct PostgresClosure *pg = cls;
      41           17 :   struct GNUNET_PQ_QueryParam params[] = {
      42           17 :     GNUNET_PQ_query_param_timestamp (&date),
      43              :     GNUNET_PQ_query_param_end
      44              :   };
      45           17 :   struct GNUNET_PQ_ResultSpec rs[] = {
      46           17 :     GNUNET_PQ_result_spec_timestamp ("start_date",
      47              :                                      start_date),
      48           17 :     GNUNET_PQ_result_spec_timestamp ("end_date",
      49              :                                      end_date),
      50           17 :     TALER_PQ_RESULT_SPEC_AMOUNT ("history_fee",
      51              :                                  &fees->history),
      52           17 :     TALER_PQ_RESULT_SPEC_AMOUNT ("account_fee",
      53              :                                  &fees->account),
      54           17 :     TALER_PQ_RESULT_SPEC_AMOUNT ("purse_fee",
      55              :                                  &fees->purse),
      56           17 :     GNUNET_PQ_result_spec_relative_time ("purse_timeout",
      57              :                                          purse_timeout),
      58           17 :     GNUNET_PQ_result_spec_relative_time ("history_expiration",
      59              :                                          history_expiration),
      60           17 :     GNUNET_PQ_result_spec_uint32 ("purse_account_limit",
      61              :                                   purse_account_limit),
      62           17 :     GNUNET_PQ_result_spec_auto_from_type ("master_sig",
      63              :                                           master_sig),
      64              :     GNUNET_PQ_result_spec_end
      65              :   };
      66              : 
      67           17 :   PREPARE (pg,
      68              :            "get_global_fee",
      69              :            "SELECT "
      70              :            " start_date"
      71              :            ",end_date"
      72              :            ",history_fee"
      73              :            ",account_fee"
      74              :            ",purse_fee"
      75              :            ",purse_timeout"
      76              :            ",history_expiration"
      77              :            ",purse_account_limit"
      78              :            ",master_sig"
      79              :            " FROM global_fee"
      80              :            " WHERE start_date <= $1"
      81              :            "   AND end_date > $1;");
      82           17 :   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      83              :                                                    "get_global_fee",
      84              :                                                    params,
      85              :                                                    rs);
      86              : }