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              : }