exchange

Base system with REST service to issue digital coins, run by the payment service provider
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pg_get_drain_profit.c (2699B)

      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 exchangedb/pg_get_drain_profit.c
     18  * @brief Implementation of the get_drain_profit function for Postgres
     19  * @author Christian Grothoff
     20  */
     21 #include "taler/taler_pq_lib.h"
     22 #include "taler/exchange-database/get_drain_profit.h"
     23 #include "helper.h"
     24 
     25 
     26 enum GNUNET_DB_QueryStatus
     27 TALER_EXCHANGEDB_get_drain_profit (
     28   struct TALER_EXCHANGEDB_PostgresContext *pg,
     29   const struct TALER_WireTransferIdentifierRawP *wtid,
     30   uint64_t *serial,
     31   char **account_section,
     32   struct TALER_FullPayto *payto_uri,
     33   struct GNUNET_TIME_Timestamp *request_timestamp,
     34   struct TALER_Amount *amount,
     35   struct TALER_MasterSignatureP *master_sig)
     36 {
     37   struct GNUNET_PQ_QueryParam params[] = {
     38     GNUNET_PQ_query_param_auto_from_type (wtid),
     39     GNUNET_PQ_query_param_end
     40   };
     41   struct GNUNET_PQ_ResultSpec rs[] = {
     42     GNUNET_PQ_result_spec_uint64 ("profit_drain_serial_id",
     43                                   serial),
     44     GNUNET_PQ_result_spec_string ("account_section",
     45                                   account_section),
     46     GNUNET_PQ_result_spec_string ("payto_uri",
     47                                   &payto_uri->full_payto),
     48     GNUNET_PQ_result_spec_timestamp ("trigger_date",
     49                                      request_timestamp),
     50     TALER_PQ_RESULT_SPEC_AMOUNT ("amount",
     51                                  amount),
     52     GNUNET_PQ_result_spec_auto_from_type ("master_sig",
     53                                           master_sig),
     54     GNUNET_PQ_result_spec_end
     55   };
     56 
     57   PREPARE (pg,
     58            "get_profit_drain",
     59            "SELECT"
     60            " profit_drain_serial_id"
     61            ",account_section"
     62            ",payto_uri"
     63            ",trigger_date"
     64            ",amount"
     65            ",master_sig"
     66            " FROM profit_drains"
     67            " WHERE wtid=$1;");
     68   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
     69                                                    "get_profit_drain",
     70                                                    params,
     71                                                    rs);
     72 }