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 backenddb/pg_lookup_refund_proof.c
      18             :  * @brief Implementation of the lookup_refund_proof function for Postgres
      19             :  * @author Iván Ávalos
      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_lookup_refund_proof.h"
      26             : #include "pg_helper.h"
      27             : 
      28             : enum GNUNET_DB_QueryStatus
      29           8 : TMH_PG_lookup_refund_proof (void *cls,
      30             :                             uint64_t refund_serial,
      31             :                             struct TALER_ExchangeSignatureP *exchange_sig,
      32             :                             struct TALER_ExchangePublicKeyP *exchange_pub)
      33             : {
      34           8 :   struct PostgresClosure *pg = cls;
      35           8 :   struct GNUNET_PQ_QueryParam params[] = {
      36           8 :     GNUNET_PQ_query_param_uint64 (&refund_serial),
      37             :     GNUNET_PQ_query_param_end
      38             :   };
      39           8 :   struct GNUNET_PQ_ResultSpec rs[] = {
      40           8 :     GNUNET_PQ_result_spec_auto_from_type ("exchange_sig",
      41             :                                           exchange_sig),
      42           8 :     GNUNET_PQ_result_spec_auto_from_type ("exchange_pub",
      43             :                                           exchange_pub),
      44             :     GNUNET_PQ_result_spec_end
      45             :   };
      46             : 
      47           8 :   check_connection (pg);
      48           8 :   PREPARE (pg,
      49             :            "lookup_refund_proof",
      50             :            "SELECT"
      51             :            " merchant_exchange_signing_keys.exchange_pub"
      52             :            ",exchange_sig"
      53             :            " FROM merchant_refund_proofs"
      54             :            "  JOIN merchant_exchange_signing_keys"
      55             :            "    USING (signkey_serial)"
      56             :            " WHERE"
      57             :            "   refund_serial=$1");
      58             : 
      59           8 :   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      60             :                                                    "lookup_refund_proof",
      61             :                                                    params,
      62             :                                                    rs);
      63             : }