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/do_recoup.c
      18              :  * @brief Implementation of the do_recoup function for Postgres
      19              :  * @author Christian Grothoff
      20              :  */
      21              : #include "taler/taler_pq_lib.h"
      22              : #include "taler/taler_pq_lib.h"
      23              : #include "exchange-database/do_recoup.h"
      24              : #include "helper.h"
      25              : 
      26              : 
      27              : enum GNUNET_DB_QueryStatus
      28           37 : TALER_EXCHANGEDB_do_recoup (
      29              :   struct TALER_EXCHANGEDB_PostgresContext *pg,
      30              :   const struct TALER_ReservePublicKeyP *reserve_pub,
      31              :   uint64_t withdraw_id,
      32              :   uint32_t coin_index,
      33              :   const union GNUNET_CRYPTO_BlindingSecretP *coin_bks,
      34              :   const struct TALER_CoinSpendPublicKeyP *coin_pub,
      35              :   uint64_t known_coin_id,
      36              :   const struct TALER_CoinSpendSignatureP *coin_sig,
      37              :   struct GNUNET_TIME_Timestamp *recoup_timestamp,
      38              :   struct TALER_Amount *recoup_amount,
      39              :   bool *recoup_ok,
      40              :   bool *internal_failure)
      41              : {
      42              :   struct GNUNET_TIME_Timestamp reserve_gc
      43           37 :     = GNUNET_TIME_relative_to_timestamp (pg->legal_reserve_expiration_time);
      44              :   struct GNUNET_TIME_Timestamp reserve_expiration
      45           37 :     = GNUNET_TIME_relative_to_timestamp (pg->idle_reserve_expiration_time);
      46           37 :   struct GNUNET_PQ_QueryParam params[] = {
      47           37 :     GNUNET_PQ_query_param_auto_from_type (reserve_pub),
      48           37 :     GNUNET_PQ_query_param_uint64 (&withdraw_id),
      49           37 :     GNUNET_PQ_query_param_uint32 (&coin_index),
      50           37 :     GNUNET_PQ_query_param_auto_from_type (coin_bks),
      51           37 :     GNUNET_PQ_query_param_auto_from_type (coin_pub),
      52           37 :     GNUNET_PQ_query_param_uint64 (&known_coin_id),
      53           37 :     GNUNET_PQ_query_param_auto_from_type (coin_sig),
      54           37 :     GNUNET_PQ_query_param_timestamp (&reserve_gc),
      55           37 :     GNUNET_PQ_query_param_timestamp (&reserve_expiration),
      56           37 :     GNUNET_PQ_query_param_timestamp (recoup_timestamp),
      57              :     GNUNET_PQ_query_param_end
      58              :   };
      59              :   bool is_null;
      60              :   bool amount_is_null;
      61           37 :   struct GNUNET_PQ_ResultSpec rs[] = {
      62           37 :     GNUNET_PQ_result_spec_allow_null (
      63              :       GNUNET_PQ_result_spec_timestamp ("recoup_timestamp",
      64              :                                        recoup_timestamp),
      65              :       &is_null),
      66           37 :     GNUNET_PQ_result_spec_allow_null (
      67              :       TALER_PQ_result_spec_amount ("recoup_amount",
      68           37 :                                    pg->currency,
      69              :                                    recoup_amount),
      70              :       &amount_is_null),
      71           37 :     GNUNET_PQ_result_spec_bool ("recoup_ok",
      72              :                                 recoup_ok),
      73           37 :     GNUNET_PQ_result_spec_bool ("internal_failure",
      74              :                                 internal_failure),
      75              :     GNUNET_PQ_result_spec_end
      76              :   };
      77              : 
      78              : 
      79           37 :   PREPARE (pg,
      80              :            "do_recoup",
      81              :            "SELECT "
      82              :            " out_recoup_timestamp AS recoup_timestamp"
      83              :            ",out_recoup_amount AS recoup_amount"
      84              :            ",out_recoup_ok AS recoup_ok"
      85              :            ",out_internal_failure AS internal_failure"
      86              :            " FROM exchange_do_recoup_to_reserve"
      87              :            " ($1,$2,$3,$4,$5,$6,$7,$8,$9,$10);");
      88              :   {
      89              :     enum GNUNET_DB_QueryStatus qs;
      90              : 
      91           37 :     qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      92              :                                                    "do_recoup",
      93              :                                                    params,
      94              :                                                    rs);
      95           37 :     if ( (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != qs) ||
      96              :          amount_is_null)
      97            6 :       GNUNET_assert (GNUNET_OK ==
      98              :                      TALER_amount_set_zero (pg->currency,
      99              :                                             recoup_amount));
     100           37 :     return qs;
     101              :   }
     102              : }