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 "platform.h"
      23             : #include "taler_error_codes.h"
      24             : #include "taler_dbevents.h"
      25             : #include "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             : }