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/select_contract_by_purse.c
      18              :  * @brief Implementation of the select_contract_by_purse function for Postgres
      19              :  * @author Christian Grothoff
      20              :  */
      21              : #include "taler/taler_pq_lib.h"
      22              : #include "exchange-database/select_contract_by_purse.h"
      23              : #include "helper.h"
      24              : 
      25              : enum GNUNET_DB_QueryStatus
      26            0 : TALER_TALER_EXCHANGEDB_select_contract_by_purse (
      27              :   struct TALER_EXCHANGEDB_PostgresContext *pg,
      28              :   const struct TALER_PurseContractPublicKeyP *purse_pub,
      29              :   struct TALER_EncryptedContract *econtract)
      30              : {
      31            0 :   struct GNUNET_PQ_QueryParam params[] = {
      32            0 :     GNUNET_PQ_query_param_auto_from_type (purse_pub),
      33              :     GNUNET_PQ_query_param_end
      34              :   };
      35            0 :   struct GNUNET_PQ_ResultSpec rs[] = {
      36            0 :     GNUNET_PQ_result_spec_auto_from_type ("pub_ckey",
      37              :                                           &econtract->contract_pub),
      38            0 :     GNUNET_PQ_result_spec_auto_from_type ("contract_sig",
      39              :                                           &econtract->econtract_sig),
      40            0 :     GNUNET_PQ_result_spec_variable_size ("e_contract",
      41              :                                          &econtract->econtract,
      42              :                                          &econtract->econtract_size),
      43              :     GNUNET_PQ_result_spec_end
      44              :   };
      45              : 
      46            0 :   PREPARE (pg,
      47              :            "select_contract_by_purse",
      48              :            "SELECT "
      49              :            " pub_ckey"
      50              :            ",e_contract"
      51              :            ",contract_sig"
      52              :            " FROM contracts"
      53              :            "   WHERE purse_pub=$1;");
      54            0 :   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      55              :                                                    "select_contract_by_purse",
      56              :                                                    params,
      57              :                                                    rs);
      58              : 
      59              : }