Line data    Source code

       1              : /*
       2              :    This file is part of TALER
       3              :    Copyright (C) 2022,2025 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_denomination_info.c
      18              :  * @brief Implementation of the get_denomination_info function for Postgres
      19              :  * @author Christian Grothoff
      20              :  * @author Özgür Kesim
      21              :  */
      22              : #include "taler/platform.h"
      23              : #include "taler/taler_error_codes.h"
      24              : #include "taler/taler_dbevents.h"
      25              : #include "taler/taler_pq_lib.h"
      26              : #include "pg_get_denomination_info.h"
      27              : #include "pg_helper.h"
      28              : 
      29              : 
      30              : enum GNUNET_DB_QueryStatus
      31            0 : TEH_PG_get_denomination_info (
      32              :   void *cls,
      33              :   const struct TALER_DenominationHashP *denom_pub_hash,
      34              :   uint64_t *denom_serial,
      35              :   struct TALER_EXCHANGEDB_DenominationKeyInformation *issue)
      36              : {
      37            0 :   struct PostgresClosure *pg = cls;
      38              :   enum GNUNET_DB_QueryStatus qs;
      39              :   uint64_t serial;
      40            0 :   struct GNUNET_PQ_QueryParam params[] = {
      41            0 :     GNUNET_PQ_query_param_auto_from_type (denom_pub_hash),
      42              :     GNUNET_PQ_query_param_end
      43              :   };
      44            0 :   struct GNUNET_PQ_ResultSpec rs[] = {
      45            0 :     GNUNET_PQ_result_spec_uint64 ("denominations_serial",
      46              :                                   &serial),
      47            0 :     GNUNET_PQ_result_spec_auto_from_type ("master_sig",
      48              :                                           &issue->signature),
      49            0 :     GNUNET_PQ_result_spec_timestamp ("valid_from",
      50              :                                      &issue->start),
      51            0 :     GNUNET_PQ_result_spec_timestamp ("expire_withdraw",
      52              :                                      &issue->expire_withdraw),
      53            0 :     GNUNET_PQ_result_spec_timestamp ("expire_deposit",
      54              :                                      &issue->expire_deposit),
      55            0 :     GNUNET_PQ_result_spec_timestamp ("expire_legal",
      56              :                                      &issue->expire_legal),
      57            0 :     TALER_PQ_RESULT_SPEC_AMOUNT ("coin",
      58              :                                  &issue->value),
      59            0 :     TALER_PQ_RESULT_SPEC_AMOUNT ("fee_withdraw",
      60              :                                  &issue->fees.withdraw),
      61            0 :     TALER_PQ_RESULT_SPEC_AMOUNT ("fee_deposit",
      62              :                                  &issue->fees.deposit),
      63            0 :     TALER_PQ_RESULT_SPEC_AMOUNT ("fee_refresh",
      64              :                                  &issue->fees.refresh),
      65            0 :     TALER_PQ_RESULT_SPEC_AMOUNT ("fee_refund",
      66              :                                  &issue->fees.refund),
      67            0 :     GNUNET_PQ_result_spec_uint32 ("age_mask",
      68              :                                   &issue->age_mask.bits),
      69              :     GNUNET_PQ_result_spec_end
      70              :   };
      71              : 
      72            0 :   PREPARE (pg,
      73              :            "denomination_get",
      74              :            "SELECT"
      75              :            " denominations_serial"
      76              :            ",master_sig"
      77              :            ",valid_from"
      78              :            ",expire_withdraw"
      79              :            ",expire_deposit"
      80              :            ",expire_legal"
      81              :            ",coin"  /* value of this denom */
      82              :            ",fee_withdraw"
      83              :            ",fee_deposit"
      84              :            ",fee_refresh"
      85              :            ",fee_refund"
      86              :            ",age_mask"
      87              :            " FROM denominations"
      88              :            " WHERE denom_pub_hash=$1;");
      89            0 :   qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      90              :                                                  "denomination_get",
      91              :                                                  params,
      92              :                                                  rs);
      93            0 :   if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != qs)
      94            0 :     return qs;
      95            0 :   issue->denom_hash = *denom_pub_hash;
      96            0 :   if (NULL != denom_serial)
      97            0 :     *denom_serial = serial;
      98            0 :   return qs;
      99              : }