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_refund_coin.c
      18             :  * @brief Implementation of the refund_coin 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_refund_coin.h"
      26             : #include "pg_helper.h"
      27             : 
      28             : enum GNUNET_DB_QueryStatus
      29           4 : TMH_PG_refund_coin (void *cls,
      30             :                     const char *instance_id,
      31             :                     const struct TALER_PrivateContractHashP *h_contract_terms,
      32             :                     struct GNUNET_TIME_Timestamp refund_timestamp,
      33             :                     const struct TALER_CoinSpendPublicKeyP *coin_pub,
      34             :                     const char *reason)
      35             : {
      36           4 :   struct PostgresClosure *pg = cls;
      37           4 :   struct GNUNET_PQ_QueryParam params[] = {
      38           4 :     GNUNET_PQ_query_param_string (instance_id),
      39           4 :     GNUNET_PQ_query_param_auto_from_type (h_contract_terms),
      40           4 :     GNUNET_PQ_query_param_timestamp (&refund_timestamp),
      41           4 :     GNUNET_PQ_query_param_auto_from_type (coin_pub),
      42           4 :     GNUNET_PQ_query_param_string (reason),
      43             :     GNUNET_PQ_query_param_end
      44             :   };
      45           4 :   PREPARE (pg,
      46             :            "refund_coin",
      47             :            "INSERT INTO merchant_refunds"
      48             :            "(order_serial"
      49             :            ",rtransaction_id"
      50             :            ",refund_timestamp"
      51             :            ",coin_pub"
      52             :            ",reason"
      53             :            ",refund_amount"
      54             :            ") "
      55             :            "SELECT "
      56             :            " dcon.order_serial"
      57             :            ",0" /* rtransaction_id always 0 for /abort */
      58             :            ",$3"
      59             :            ",dep.coin_pub"
      60             :            ",$5"
      61             :            ",dep.amount_with_fee"
      62             :            " FROM merchant_deposits dep"
      63             :            " JOIN merchant_deposit_confirmations dcon"
      64             :            "   USING (deposit_confirmation_serial)"
      65             :            " WHERE dep.coin_pub=$4"
      66             :            "   AND dcon.order_serial="
      67             :            "  (SELECT order_serial"
      68             :            "     FROM merchant_contract_terms"
      69             :            "    WHERE h_contract_terms=$2"
      70             :            "      AND merchant_serial="
      71             :            "        (SELECT merchant_serial"
      72             :            "           FROM merchant_instances"
      73             :            "          WHERE merchant_id=$1))");
      74           4 :   return GNUNET_PQ_eval_prepared_non_select (pg->conn,
      75             :                                              "refund_coin",
      76             :                                              params);
      77             : }