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_purse_merge.c
      18             :  * @brief Implementation of the select_purse_merge 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_purse_merge.h"
      26             : #include "pg_helper.h"
      27             : 
      28             : 
      29             : enum GNUNET_DB_QueryStatus
      30           2 : TEH_PG_select_purse_merge (
      31             :   void *cls,
      32             :   const struct TALER_PurseContractPublicKeyP *purse_pub,
      33             :   struct TALER_PurseMergeSignatureP *merge_sig,
      34             :   struct GNUNET_TIME_Timestamp *merge_timestamp,
      35             :   char **partner_url,
      36             :   struct TALER_ReservePublicKeyP *reserve_pub,
      37             :   bool *refunded)
      38             : {
      39           2 :   struct PostgresClosure *pg = cls;
      40           2 :   struct GNUNET_PQ_QueryParam params[] = {
      41           2 :     GNUNET_PQ_query_param_auto_from_type (purse_pub),
      42             :     GNUNET_PQ_query_param_end
      43             :   };
      44           2 :   struct GNUNET_PQ_ResultSpec rs[] = {
      45           2 :     GNUNET_PQ_result_spec_auto_from_type ("merge_sig",
      46             :                                           merge_sig),
      47           2 :     GNUNET_PQ_result_spec_auto_from_type ("reserve_pub",
      48             :                                           reserve_pub),
      49           2 :     GNUNET_PQ_result_spec_timestamp ("merge_timestamp",
      50             :                                      merge_timestamp),
      51           2 :     GNUNET_PQ_result_spec_allow_null (
      52             :       GNUNET_PQ_result_spec_string ("partner_base_url",
      53             :                                     partner_url),
      54             :       NULL),
      55           2 :     GNUNET_PQ_result_spec_allow_null (
      56             :       GNUNET_PQ_result_spec_bool ("refunded",
      57             :                                   refunded),
      58             :       NULL),
      59             :     GNUNET_PQ_result_spec_end
      60             :   };
      61             : 
      62           2 :   *partner_url = NULL;
      63           2 :   *refunded = false;
      64           2 :   PREPARE (pg,
      65             :            "select_purse_merge",
      66             :            "SELECT "
      67             :            " pm.reserve_pub"
      68             :            ",pm.merge_sig"
      69             :            ",pm.merge_timestamp"
      70             :            ",pr.partner_base_url"
      71             :            ",pd.refunded"
      72             :            " FROM purse_merges pm"
      73             :            " LEFT JOIN purse_decision pd USING (purse_pub)"
      74             :            " LEFT JOIN partners pr USING (partner_serial_id)"
      75             :            " WHERE pm.purse_pub=$1;");
      76           2 :   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      77             :                                                    "select_purse_merge",
      78             :                                                    params,
      79             :                                                    rs);
      80             : }