Line data    Source code

       1              : /*
       2              :    This file is part of TALER
       3              :    Copyright (C) 2023 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 src/backenddb/get_exists_transfer.c
      18              :  * @brief Implementation of the get_exists_transfer function for Postgres
      19              :  * @author Iván Ávalos
      20              :  */
      21              : #include "platform.h"
      22              : #include <taler/taler_pq_lib.h>
      23              : #include "merchant-database/get_exists_transfer.h"
      24              : #include "helper.h"
      25              : 
      26              : 
      27              : enum GNUNET_DB_QueryStatus
      28            1 : TALER_MERCHANTDB_get_exists_transfer (
      29              :   struct TALER_MERCHANTDB_PostgresContext *pg,
      30              :   const char *instance_id,
      31              :   uint64_t transfer_serial_id)
      32              : {
      33            1 :   struct GNUNET_PQ_QueryParam params[] = {
      34            1 :     GNUNET_PQ_query_param_uint64 (&transfer_serial_id),
      35              :     GNUNET_PQ_query_param_end
      36              :   };
      37            1 :   struct GNUNET_PQ_ResultSpec rs[] = {
      38              :     GNUNET_PQ_result_spec_end
      39              :   };
      40              : 
      41            1 :   GNUNET_assert (NULL != pg->current_merchant_id);
      42            1 :   GNUNET_assert (0 == strcmp (instance_id,
      43              :                               pg->current_merchant_id));
      44            1 :   TMH_PQ_prepare_anon (pg,
      45              :                        "SELECT"
      46              :                        " 1"
      47              :                        " FROM merchant_transfers"
      48              :                        " WHERE credit_serial=$1");
      49            1 :   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      50              :                                                    "",
      51              :                                                    params,
      52              :                                                    rs);
      53              : }