exchange

Base system with REST service to issue digital coins, run by the payment service provider
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pg_insert_refund.c (2628B)

      1 /*
      2    This file is part of TALER
      3    Copyright (C) 2022-2023 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 exchangedb/pg_insert_refund.c
     18  * @brief Implementation of the insert_refund function for Postgres
     19  * @author Christian Grothoff
     20  */
     21 #include "taler/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_insert_refund.h"
     26 #include "pg_helper.h"
     27 
     28 
     29 enum GNUNET_DB_QueryStatus
     30 TEH_PG_insert_refund (void *cls,
     31                       const struct TALER_EXCHANGEDB_Refund *refund)
     32 {
     33   struct PostgresClosure *pg = cls;
     34   struct GNUNET_PQ_QueryParam params[] = {
     35     GNUNET_PQ_query_param_auto_from_type (&refund->coin.coin_pub),
     36     GNUNET_PQ_query_param_auto_from_type (&refund->details.merchant_pub),
     37     GNUNET_PQ_query_param_auto_from_type (&refund->details.merchant_sig),
     38     GNUNET_PQ_query_param_auto_from_type (&refund->details.h_contract_terms),
     39     GNUNET_PQ_query_param_uint64 (&refund->details.rtransaction_id),
     40     TALER_PQ_query_param_amount (pg->conn,
     41                                  &refund->details.refund_amount),
     42     GNUNET_PQ_query_param_end
     43   };
     44 
     45   GNUNET_assert (GNUNET_YES ==
     46                  TALER_amount_cmp_currency (&refund->details.refund_amount,
     47                                             &refund->details.refund_fee));
     48   PREPARE (pg,
     49            "insert_refund",
     50            "INSERT INTO refunds "
     51            "(coin_pub"
     52            ",batch_deposit_serial_id"
     53            ",merchant_sig"
     54            ",rtransaction_id"
     55            ",amount_with_fee"
     56            ") SELECT $1, cdep.batch_deposit_serial_id, $3, $5, $6"
     57            "    FROM coin_deposits cdep"
     58            "    JOIN batch_deposits bdep USING (batch_deposit_serial_id)"
     59            "   WHERE coin_pub=$1"
     60            "     AND h_contract_terms=$4"
     61            "     AND merchant_pub=$2");
     62   return GNUNET_PQ_eval_prepared_non_select (pg->conn,
     63                                              "insert_refund",
     64                                              params);
     65 }