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             : }