Line data    Source code

       1             : /*
       2             :    This file is part of TALER
       3             :    Copyright (C) 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 auditordb/pg_select_pending_deposits.c
      18             :  * @brief Implementation of the select_pending_deposits 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_select_pending_deposits.h"
      26             : #include "pg_helper.h"
      27             : 
      28             : 
      29             : /**
      30             :  * Closure for #wire_missing_cb().
      31             :  */
      32             : struct WireMissingContext
      33             : {
      34             : 
      35             :   /**
      36             :    * Function to call for each pending deposit.
      37             :    */
      38             :   TALER_AUDITORDB_WireMissingCallback cb;
      39             : 
      40             :   /**
      41             :    * Closure for @e cb
      42             :    */
      43             :   void *cb_cls;
      44             : 
      45             :   /**
      46             :    * Plugin context.
      47             :    */
      48             :   struct PostgresClosure *pg;
      49             : 
      50             :   /**
      51             :    * Query status to return.
      52             :    */
      53             :   enum GNUNET_DB_QueryStatus qs;
      54             : };
      55             : 
      56             : 
      57             : /**
      58             :  * Helper function for #TAH_PG_select_purse_expired().
      59             :  * To be called with the results of a SELECT statement
      60             :  * that has returned @a num_results results.
      61             :  *
      62             :  * @param cls closure of type `struct WireMissingContext *`
      63             :  * @param result the postgres result
      64             :  * @param num_results the number of results in @a result
      65             :  */
      66             : static void
      67           0 : wire_missing_cb (void *cls,
      68             :                  PGresult *result,
      69             :                  unsigned int num_results)
      70             : {
      71           0 :   struct WireMissingContext *eic = cls;
      72           0 :   struct PostgresClosure *pg = eic->pg;
      73             : 
      74           0 :   for (unsigned int i = 0; i < num_results; i++)
      75             :   {
      76             :     uint64_t batch_deposit_serial_id;
      77             :     struct TALER_Amount total_amount;
      78             :     struct TALER_FullPaytoHashP wire_target_h_payto;
      79             :     struct GNUNET_TIME_Timestamp deadline;
      80           0 :     struct GNUNET_PQ_ResultSpec rs[] = {
      81           0 :       GNUNET_PQ_result_spec_uint64 ("batch_deposit_serial_id",
      82             :                                     &batch_deposit_serial_id),
      83           0 :       TALER_PQ_RESULT_SPEC_AMOUNT ("total_amount",
      84             :                                    &total_amount),
      85           0 :       GNUNET_PQ_result_spec_auto_from_type ("wire_target_h_payto",
      86             :                                             &wire_target_h_payto),
      87           0 :       GNUNET_PQ_result_spec_timestamp ("deadline",
      88             :                                        &deadline),
      89             :       GNUNET_PQ_result_spec_end
      90             :     };
      91             : 
      92           0 :     if (GNUNET_OK !=
      93           0 :         GNUNET_PQ_extract_result (result,
      94             :                                   rs,
      95             :                                   i))
      96             :     {
      97           0 :       GNUNET_break (0);
      98           0 :       eic->qs = GNUNET_DB_STATUS_HARD_ERROR;
      99           0 :       return;
     100             :     }
     101           0 :     eic->cb (eic->cb_cls,
     102             :              batch_deposit_serial_id,
     103             :              &total_amount,
     104             :              &wire_target_h_payto,
     105             :              deadline);
     106             :   }
     107           0 :   eic->qs = num_results;
     108             : }
     109             : 
     110             : 
     111             : enum GNUNET_DB_QueryStatus
     112           0 : TAH_PG_select_pending_deposits (
     113             :   void *cls,
     114             :   struct GNUNET_TIME_Absolute deadline,
     115             :   TALER_AUDITORDB_WireMissingCallback cb,
     116             :   void *cb_cls)
     117             : {
     118           0 :   struct PostgresClosure *pg = cls;
     119           0 :   struct GNUNET_PQ_QueryParam params[] = {
     120           0 :     GNUNET_PQ_query_param_absolute_time (&deadline),
     121             :     GNUNET_PQ_query_param_end
     122             :   };
     123           0 :   struct WireMissingContext eic = {
     124             :     .cb = cb,
     125             :     .cb_cls = cb_cls,
     126             :     .pg = pg
     127             :   };
     128             :   enum GNUNET_DB_QueryStatus qs;
     129             : 
     130           0 :   PREPARE (pg,
     131             :            "auditor_select_pending_deposits",
     132             :            "SELECT"
     133             :            " batch_deposit_serial_id"
     134             :            ",total_amount"
     135             :            ",wire_target_h_payto"
     136             :            ",deadline"
     137             :            " FROM auditor_pending_deposits"
     138             :            " WHERE deadline<$1;");
     139           0 :   qs = GNUNET_PQ_eval_prepared_multi_select (
     140             :     pg->conn,
     141             :     "auditor_select_pending_deposits",
     142             :     params,
     143             :     &wire_missing_cb,
     144             :     &eic);
     145           0 :   if (0 > qs)
     146           0 :     return qs;
     147           0 :   GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR != eic.qs);
     148           0 :   return eic.qs;
     149             : }