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              : }