Line data    Source code

       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_get_ready_deposit.c
      18              :  * @brief Implementation of the get_ready_deposit 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_ready_deposit.h"
      26              : #include "pg_helper.h"
      27              : 
      28              : 
      29              : enum GNUNET_DB_QueryStatus
      30           97 : TEH_PG_get_ready_deposit (void *cls,
      31              :                           uint64_t start_shard_row,
      32              :                           uint64_t end_shard_row,
      33              :                           struct TALER_MerchantPublicKeyP *merchant_pub,
      34              :                           struct TALER_FullPayto *payto_uri,
      35              :                           char **extra_wire_subject_metadata)
      36              : {
      37           97 :   struct PostgresClosure *pg = cls;
      38              :   struct GNUNET_TIME_Absolute now
      39           97 :     = GNUNET_TIME_absolute_get ();
      40           97 :   struct GNUNET_PQ_QueryParam params[] = {
      41           97 :     GNUNET_PQ_query_param_absolute_time (&now),
      42           97 :     GNUNET_PQ_query_param_uint64 (&start_shard_row),
      43           97 :     GNUNET_PQ_query_param_uint64 (&end_shard_row),
      44              :     GNUNET_PQ_query_param_end
      45              :   };
      46           97 :   struct GNUNET_PQ_ResultSpec rs[] = {
      47           97 :     GNUNET_PQ_result_spec_auto_from_type ("merchant_pub",
      48              :                                           merchant_pub),
      49           97 :     GNUNET_PQ_result_spec_string ("payto_uri",
      50              :                                   &payto_uri->full_payto),
      51           97 :     GNUNET_PQ_result_spec_allow_null (
      52              :       GNUNET_PQ_result_spec_string ("extra_wire_subject_metadata",
      53              :                                     extra_wire_subject_metadata),
      54              :       NULL),
      55              :     GNUNET_PQ_result_spec_end
      56              :   };
      57           97 :   const char *query = "deposits_get_ready";
      58              : 
      59           97 :   *extra_wire_subject_metadata = NULL;
      60           97 :   PREPARE (pg,
      61              :            query,
      62              :            "SELECT"
      63              :            " wts.payto_uri"
      64              :            ",bdep.merchant_pub"
      65              :            ",bdep.extra_wire_subject_metadata"
      66              :            " FROM batch_deposits bdep"
      67              :            " JOIN wire_targets wts"
      68              :            "   USING (wire_target_h_payto)"
      69              :            " WHERE NOT (bdep.done OR bdep.policy_blocked)"
      70              :            "   AND bdep.wire_deadline<=$1"
      71              :            "   AND bdep.shard >= $2"
      72              :            "   AND bdep.shard <= $3"
      73              :            " ORDER BY "
      74              :            "   bdep.wire_deadline ASC"
      75              :            "  ,bdep.shard ASC"
      76              :            " LIMIT 1;");
      77           97 :   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      78              :                                                    query,
      79              :                                                    params,
      80              :                                                    rs);
      81              : }