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 (2772B)

      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/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_get_drain_profit.h"
     26 #include "pg_helper.h"
     27 
     28 
     29 enum GNUNET_DB_QueryStatus
     30 TEH_PG_get_drain_profit (
     31   void *cls,
     32   const struct TALER_WireTransferIdentifierRawP *wtid,
     33   uint64_t *serial,
     34   char **account_section,
     35   struct TALER_FullPayto *payto_uri,
     36   struct GNUNET_TIME_Timestamp *request_timestamp,
     37   struct TALER_Amount *amount,
     38   struct TALER_MasterSignatureP *master_sig)
     39 {
     40   struct PostgresClosure *pg = cls;
     41   struct GNUNET_PQ_QueryParam params[] = {
     42     GNUNET_PQ_query_param_auto_from_type (wtid),
     43     GNUNET_PQ_query_param_end
     44   };
     45   struct GNUNET_PQ_ResultSpec rs[] = {
     46     GNUNET_PQ_result_spec_uint64 ("profit_drain_serial_id",
     47                                   serial),
     48     GNUNET_PQ_result_spec_string ("account_section",
     49                                   account_section),
     50     GNUNET_PQ_result_spec_string ("payto_uri",
     51                                   &payto_uri->full_payto),
     52     GNUNET_PQ_result_spec_timestamp ("trigger_date",
     53                                      request_timestamp),
     54     TALER_PQ_RESULT_SPEC_AMOUNT ("amount",
     55                                  amount),
     56     GNUNET_PQ_result_spec_auto_from_type ("master_sig",
     57                                           master_sig),
     58     GNUNET_PQ_result_spec_end
     59   };
     60 
     61   PREPARE (pg,
     62            "get_profit_drain",
     63            "SELECT"
     64            " profit_drain_serial_id"
     65            ",account_section"
     66            ",payto_uri"
     67            ",trigger_date"
     68            ",amount"
     69            ",master_sig"
     70            " FROM profit_drains"
     71            " WHERE wtid=$1;");
     72   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
     73                                                    "get_profit_drain",
     74                                                    params,
     75                                                    rs);
     76 }