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 backenddb/pg_select_otp_serial.c
      18              :  * @brief Implementation of the select_otp_serial function for Postgres
      19              :  * @author Christian Grothoff
      20              :  */
      21              : #include "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_select_otp_serial.h"
      26              : #include "pg_helper.h"
      27              : 
      28              : 
      29              : enum GNUNET_DB_QueryStatus
      30            2 : TMH_PG_select_otp_serial (void *cls,
      31              :                           const char *instance_id,
      32              :                           const char *otp_id,
      33              :                           uint64_t *serial)
      34              : {
      35            2 :   struct PostgresClosure *pg = cls;
      36            2 :   struct GNUNET_PQ_QueryParam params[] = {
      37            2 :     GNUNET_PQ_query_param_string (instance_id),
      38            2 :     GNUNET_PQ_query_param_string (otp_id),
      39              :     GNUNET_PQ_query_param_end
      40              :   };
      41            2 :   struct GNUNET_PQ_ResultSpec rs[] = {
      42            2 :     GNUNET_PQ_result_spec_uint64 ("otp_serial",
      43              :                                   serial),
      44              :     GNUNET_PQ_result_spec_end
      45              :   };
      46              : 
      47            2 :   check_connection (pg);
      48            2 :   PREPARE (pg,
      49              :            "select_otp_serial",
      50              :            "SELECT"
      51              :            " otp_serial"
      52              :            " FROM merchant_otp_devices"
      53              :            " JOIN merchant_instances"
      54              :            "   USING (merchant_serial)"
      55              :            " WHERE merchant_instances.merchant_id=$1"
      56              :            "   AND merchant_otp_devices.otp_id=$2");
      57            2 :   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      58              :                                                    "select_otp_serial",
      59              :                                                    params,
      60              :                                                    rs);
      61              : }