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_select_auditor_denom_sig.c
      18              :  * @brief Implementation of the select_auditor_denom_sig 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_select_auditor_denom_sig.h"
      26              : #include "pg_helper.h"
      27              : 
      28              : 
      29              : enum GNUNET_DB_QueryStatus
      30         2120 : TEH_PG_select_auditor_denom_sig (
      31              :   void *cls,
      32              :   const struct TALER_DenominationHashP *h_denom_pub,
      33              :   const struct TALER_AuditorPublicKeyP *auditor_pub,
      34              :   struct TALER_AuditorSignatureP *auditor_sig)
      35              : {
      36         2120 :   struct PostgresClosure *pg = cls;
      37         2120 :   struct GNUNET_PQ_QueryParam params[] = {
      38         2120 :     GNUNET_PQ_query_param_auto_from_type (auditor_pub),
      39         2120 :     GNUNET_PQ_query_param_auto_from_type (h_denom_pub),
      40              :     GNUNET_PQ_query_param_end
      41              :   };
      42         2120 :   struct GNUNET_PQ_ResultSpec rs[] = {
      43         2120 :     GNUNET_PQ_result_spec_auto_from_type ("auditor_sig",
      44              :                                           auditor_sig),
      45              :     GNUNET_PQ_result_spec_end
      46              :   };
      47              : 
      48         2120 :   PREPARE (pg,
      49              :            "select_auditor_denom_sig",
      50              :            "SELECT"
      51              :            " auditor_sig"
      52              :            " FROM auditor_denom_sigs"
      53              :            " WHERE auditor_uuid="
      54              :            "  (SELECT auditor_uuid"
      55              :            "    FROM auditors"
      56              :            "    WHERE auditor_pub=$1)"
      57              :            " AND denominations_serial="
      58              :            "  (SELECT denominations_serial"
      59              :            "    FROM denominations"
      60              :            "    WHERE denom_pub_hash=$2);");
      61              : 
      62         2120 :   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      63              :                                                    "select_auditor_denom_sig",
      64              :                                                    params,
      65              :                                                    rs);
      66              : }