merchant

Merchant backend to process payments, run by merchants
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pg_insert_transfer.c (2949B)

      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_insert_transfer.c
     18  * @brief Implementation of the insert_transfer 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_transfer.h"
     26 #include "pg_helper.h"
     27 
     28 
     29 enum GNUNET_DB_QueryStatus
     30 TMH_PG_insert_transfer (
     31   void *cls,
     32   const char *instance_id,
     33   const char *exchange_url,
     34   const struct TALER_WireTransferIdentifierRawP *wtid,
     35   const struct TALER_Amount *credit_amount,
     36   struct TALER_FullPayto payto_uri,
     37   uint64_t bank_serial_id,
     38   bool *no_instance,
     39   bool *no_account,
     40   bool *conflict)
     41 {
     42   struct PostgresClosure *pg = cls;
     43   struct GNUNET_TIME_Absolute now = GNUNET_TIME_absolute_get ();
     44   struct GNUNET_PQ_QueryParam params[] = {
     45     GNUNET_PQ_query_param_string (instance_id),
     46     GNUNET_PQ_query_param_string (exchange_url),
     47     GNUNET_PQ_query_param_auto_from_type (wtid),
     48     TALER_PQ_query_param_amount_with_currency (pg->conn,
     49                                                credit_amount),
     50     GNUNET_PQ_query_param_string (payto_uri.full_payto),
     51     0 == bank_serial_id
     52     ? GNUNET_PQ_query_param_null ()
     53     : GNUNET_PQ_query_param_uint64 (&bank_serial_id),
     54     GNUNET_PQ_query_param_absolute_time (&now),
     55     GNUNET_PQ_query_param_end
     56   };
     57   struct GNUNET_PQ_ResultSpec rs[] = {
     58     GNUNET_PQ_result_spec_bool ("no_instance",
     59                                 no_instance),
     60     GNUNET_PQ_result_spec_bool ("no_account",
     61                                 no_account),
     62     GNUNET_PQ_result_spec_bool ("conflict",
     63                                 conflict),
     64     GNUNET_PQ_result_spec_end
     65   };
     66 
     67   check_connection (pg);
     68   PREPARE (pg,
     69            "insert_transfer",
     70            "SELECT "
     71            "  out_no_instance AS no_instance"
     72            " ,out_no_account AS no_account"
     73            " ,out_conflict AS conflict"
     74            " FROM merchant_do_insert_transfer"
     75            " ($1, $2, $3, $4, $5, $6, $7);");
     76   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
     77                                                    "insert_transfer",
     78                                                    params,
     79                                                    rs);
     80 }