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             : }