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/gc.c
      18              :  * @brief Implementation of the gc function for Postgres
      19              :  * @author Christian Grothoff
      20              :  */
      21              : #include "taler/taler_pq_lib.h"
      22              : #include "exchange-database/gc.h"
      23              : #include "helper.h"
      24              : 
      25              : 
      26              : enum GNUNET_GenericReturnValue
      27            0 : TALER_EXCHANGEDB_gc (struct TALER_EXCHANGEDB_PostgresContext *pg)
      28              : {
      29            0 :   struct GNUNET_TIME_Absolute now = GNUNET_TIME_absolute_get ();
      30              :   struct GNUNET_TIME_Absolute long_ago;
      31            0 :   struct GNUNET_PQ_QueryParam params[] = {
      32            0 :     GNUNET_PQ_query_param_absolute_time (&long_ago),
      33            0 :     GNUNET_PQ_query_param_absolute_time (&now),
      34              :     GNUNET_PQ_query_param_end
      35              :   };
      36              : 
      37              :   /* Keep wire fees for 10 years, that should always
      38              :      be enough _and_ they are tiny so it does not
      39              :      matter to make this tight */
      40            0 :   long_ago = GNUNET_TIME_absolute_subtract (
      41              :     now,
      42              :     GNUNET_TIME_relative_multiply (
      43              :       GNUNET_TIME_UNIT_YEARS,
      44              :       10));
      45            0 :   if (GNUNET_OK !=
      46            0 :       GNUNET_PQ_prepare_anon (pg->conn,
      47              :                               "CALL exchange_do_gc($1,$2);"))
      48              :   {
      49            0 :     GNUNET_break (0);
      50            0 :     return GNUNET_SYSERR;
      51              :   }
      52            0 :   if (0 >
      53            0 :       GNUNET_PQ_eval_prepared_non_select (pg->conn,
      54              :                                           "",
      55              :                                           params))
      56              :   {
      57            0 :     GNUNET_break (0);
      58            0 :     return GNUNET_SYSERR;
      59              :   }
      60            0 :   return GNUNET_OK;
      61              : }