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_contract_by_purse.c
      18             :  * @brief Implementation of the select_contract_by_purse 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_select_contract_by_purse.h"
      26             : #include "pg_helper.h"
      27             : 
      28             : enum GNUNET_DB_QueryStatus
      29           0 : TEH_PG_select_contract_by_purse (
      30             :   void *cls,
      31             :   const struct TALER_PurseContractPublicKeyP *purse_pub,
      32             :   struct TALER_EncryptedContract *econtract)
      33             : {
      34           0 :   struct PostgresClosure *pg = cls;
      35           0 :   struct GNUNET_PQ_QueryParam params[] = {
      36           0 :     GNUNET_PQ_query_param_auto_from_type (purse_pub),
      37             :     GNUNET_PQ_query_param_end
      38             :   };
      39           0 :   struct GNUNET_PQ_ResultSpec rs[] = {
      40           0 :     GNUNET_PQ_result_spec_auto_from_type ("pub_ckey",
      41             :                                           &econtract->contract_pub),
      42           0 :     GNUNET_PQ_result_spec_auto_from_type ("contract_sig",
      43             :                                           &econtract->econtract_sig),
      44           0 :     GNUNET_PQ_result_spec_variable_size ("e_contract",
      45             :                                          &econtract->econtract,
      46             :                                          &econtract->econtract_size),
      47             :     GNUNET_PQ_result_spec_end
      48             :   };
      49             : 
      50           0 :   PREPARE (pg,
      51             :            "select_contract_by_purse",
      52             :            "SELECT "
      53             :            " pub_ckey"
      54             :            ",e_contract"
      55             :            ",contract_sig"
      56             :            " FROM contracts"
      57             :            "   WHERE purse_pub=$1;");
      58           0 :   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      59             :                                                    "select_contract_by_purse",
      60             :                                                    params,
      61             :                                                    rs);
      62             : 
      63             : }