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_template.c
      18              :  * @brief Implementation of the template 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_get_purse_request.h"
      26              : #include "pg_helper.h"
      27              : 
      28              : enum GNUNET_DB_QueryStatus
      29            6 : TEH_PG_get_purse_request (
      30              :   void *cls,
      31              :   const struct TALER_PurseContractPublicKeyP *purse_pub,
      32              :   struct TALER_PurseMergePublicKeyP *merge_pub,
      33              :   struct GNUNET_TIME_Timestamp *purse_expiration,
      34              :   struct TALER_PrivateContractHashP *h_contract_terms,
      35              :   uint32_t *age_limit,
      36              :   struct TALER_Amount *target_amount,
      37              :   struct TALER_Amount *balance,
      38              :   struct TALER_PurseContractSignatureP *purse_sig)
      39              : {
      40            6 :   struct PostgresClosure *pg = cls;
      41            6 :   struct GNUNET_PQ_QueryParam params[] = {
      42            6 :     GNUNET_PQ_query_param_auto_from_type (purse_pub),
      43              :     GNUNET_PQ_query_param_end
      44              :   };
      45            6 :   struct GNUNET_PQ_ResultSpec rs[] = {
      46            6 :     GNUNET_PQ_result_spec_auto_from_type ("merge_pub",
      47              :                                           merge_pub),
      48            6 :     GNUNET_PQ_result_spec_timestamp ("purse_expiration",
      49              :                                      purse_expiration),
      50            6 :     GNUNET_PQ_result_spec_auto_from_type ("h_contract_terms",
      51              :                                           h_contract_terms),
      52            6 :     GNUNET_PQ_result_spec_uint32 ("age_limit",
      53              :                                   age_limit),
      54            6 :     TALER_PQ_RESULT_SPEC_AMOUNT ("amount_with_fee",
      55              :                                  target_amount),
      56            6 :     TALER_PQ_RESULT_SPEC_AMOUNT ("balance",
      57              :                                  balance),
      58            6 :     GNUNET_PQ_result_spec_auto_from_type ("purse_sig",
      59              :                                           purse_sig),
      60              :     GNUNET_PQ_result_spec_end
      61              :   };
      62              : 
      63            6 :   PREPARE (pg,
      64              :            "get_purse_request",
      65              :            "SELECT "
      66              :            " merge_pub"
      67              :            ",purse_expiration"
      68              :            ",h_contract_terms"
      69              :            ",age_limit"
      70              :            ",amount_with_fee"
      71              :            ",balance"
      72              :            ",purse_sig"
      73              :            " FROM purse_requests"
      74              :            " WHERE purse_pub=$1;");
      75            6 :   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      76              :                                                    "get_purse_request",
      77              :                                                    params,
      78              :                                                    rs);
      79              : }