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_do_purse_merge.c
      18             :  * @brief Implementation of the do_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_do_purse_merge.h"
      26             : #include "pg_helper.h"
      27             : 
      28             : 
      29             : enum GNUNET_DB_QueryStatus
      30           5 : TEH_PG_do_purse_merge (
      31             :   void *cls,
      32             :   const struct TALER_PurseContractPublicKeyP *purse_pub,
      33             :   const struct TALER_PurseMergeSignatureP *merge_sig,
      34             :   const struct GNUNET_TIME_Timestamp merge_timestamp,
      35             :   const struct TALER_ReserveSignatureP *reserve_sig,
      36             :   const char *partner_url,
      37             :   const struct TALER_ReservePublicKeyP *reserve_pub,
      38             :   bool *no_partner,
      39             :   bool *no_balance,
      40             :   bool *in_conflict)
      41             : {
      42           5 :   struct PostgresClosure *pg = cls;
      43             :   struct TALER_NormalizedPaytoHashP h_payto;
      44             :   struct GNUNET_TIME_Timestamp expiration
      45           5 :     = GNUNET_TIME_relative_to_timestamp (pg->legal_reserve_expiration_time);
      46           5 :   struct GNUNET_PQ_QueryParam params[] = {
      47           5 :     GNUNET_PQ_query_param_auto_from_type (purse_pub),
      48           5 :     GNUNET_PQ_query_param_auto_from_type (merge_sig),
      49           5 :     GNUNET_PQ_query_param_timestamp (&merge_timestamp),
      50           5 :     GNUNET_PQ_query_param_auto_from_type (reserve_sig),
      51             :     (NULL == partner_url)
      52           5 :     ? GNUNET_PQ_query_param_null ()
      53           5 :     : GNUNET_PQ_query_param_string (partner_url),
      54           5 :     GNUNET_PQ_query_param_auto_from_type (reserve_pub),
      55           5 :     GNUNET_PQ_query_param_auto_from_type (&h_payto),
      56           5 :     GNUNET_PQ_query_param_timestamp (&expiration),
      57             :     GNUNET_PQ_query_param_end
      58             :   };
      59           5 :   struct GNUNET_PQ_ResultSpec rs[] = {
      60           5 :     GNUNET_PQ_result_spec_bool ("no_partner",
      61             :                                 no_partner),
      62           5 :     GNUNET_PQ_result_spec_bool ("no_balance",
      63             :                                 no_balance),
      64           5 :     GNUNET_PQ_result_spec_bool ("conflict",
      65             :                                 in_conflict),
      66             :     GNUNET_PQ_result_spec_end
      67             :   };
      68             : 
      69             :   {
      70             :     struct TALER_NormalizedPayto payto_uri;
      71             : 
      72           5 :     payto_uri = TALER_reserve_make_payto (pg->exchange_url,
      73             :                                           reserve_pub);
      74           5 :     TALER_normalized_payto_hash (payto_uri,
      75             :                                  &h_payto);
      76           5 :     GNUNET_free (payto_uri.normalized_payto);
      77             :   }
      78           5 :   PREPARE (pg,
      79             :            "call_purse_merge",
      80             :            "SELECT"
      81             :            " out_no_partner AS no_partner"
      82             :            ",out_no_balance AS no_balance"
      83             :            ",out_conflict AS conflict"
      84             :            " FROM exchange_do_purse_merge"
      85             :            "  ($1, $2, $3, $4, $5, $6, $7, $8);");
      86             : 
      87           5 :   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      88             :                                                    "call_purse_merge",
      89             :                                                    params,
      90             :                                                    rs);
      91             : }