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_denomination_revocation.c
      18             :  * @brief Implementation of the get_denomination_revocation 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_denomination_revocation.h"
      26             : #include "pg_helper.h"
      27             : 
      28             : enum GNUNET_DB_QueryStatus
      29         238 : TEH_PG_get_denomination_revocation (
      30             :   void *cls,
      31             :   const struct TALER_DenominationHashP *denom_pub_hash,
      32             :   struct TALER_MasterSignatureP *master_sig,
      33             :   uint64_t *rowid)
      34             : {
      35         238 :   struct PostgresClosure *pg = cls;
      36         238 :   struct GNUNET_PQ_QueryParam params[] = {
      37         238 :     GNUNET_PQ_query_param_auto_from_type (denom_pub_hash),
      38             :     GNUNET_PQ_query_param_end
      39             :   };
      40         238 :   struct GNUNET_PQ_ResultSpec rs[] = {
      41         238 :     GNUNET_PQ_result_spec_auto_from_type ("master_sig",
      42             :                                           master_sig),
      43         238 :     GNUNET_PQ_result_spec_uint64 ("denom_revocations_serial_id",
      44             :                                   rowid),
      45             :     GNUNET_PQ_result_spec_end
      46             :   };
      47             : 
      48         238 :   PREPARE (pg,
      49             :            "denomination_revocation_get",
      50             :            "SELECT"
      51             :            " master_sig"
      52             :            ",denom_revocations_serial_id"
      53             :            " FROM denomination_revocations"
      54             :            " WHERE denominations_serial="
      55             :            "  (SELECT denominations_serial"
      56             :            "    FROM denominations"
      57             :            "    WHERE denom_pub_hash=$1);");
      58             : 
      59         238 :   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      60             :                                                    "denomination_revocation_get",
      61             :                                                    params,
      62             :                                                    rs);
      63             : }