Line data    Source code

       1              : /*
       2              :    This file is part of TALER
       3              :    Copyright (C) 2026 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/insert_aggregation_deferral.c
      18              :  * @brief Implementation of the insert_aggregation_deferral function for Postgres
      19              :  * @author Christian Grothoff
      20              :  */
      21              : #include "taler/taler_error_codes.h"
      22              : #include "taler/taler_pq_lib.h"
      23              : #include "exchange-database/insert_aggregation_deferral.h"
      24              : #include "helper.h"
      25              : 
      26              : 
      27              : enum GNUNET_DB_QueryStatus
      28           10 : TALER_EXCHANGEDB_insert_aggregation_deferral (
      29              :   struct TALER_EXCHANGEDB_PostgresContext *pg,
      30              :   const struct TALER_WireTransferIdentifierRawP *wtid,
      31              :   const struct TALER_FullPaytoHashP *h_payto,
      32              :   const struct TALER_Amount *amount,
      33              :   enum TALER_EXCHANGEDB_DeferralReason reason,
      34              :   uint64_t kyc_requirement_row,
      35              :   struct GNUNET_TIME_Timestamp deferral_time)
      36              : {
      37           10 :   uint32_t reason32 = (uint32_t) reason;
      38           10 :   struct GNUNET_PQ_QueryParam params[] = {
      39           10 :     GNUNET_PQ_query_param_auto_from_type (wtid),
      40           10 :     GNUNET_PQ_query_param_auto_from_type (h_payto),
      41           10 :     TALER_PQ_query_param_amount (pg->conn,
      42              :                                  amount),
      43           10 :     GNUNET_PQ_query_param_uint32 (&reason32),
      44           10 :     GNUNET_PQ_query_param_uint64 (&kyc_requirement_row),
      45           10 :     GNUNET_PQ_query_param_timestamp (&deferral_time),
      46              :     GNUNET_PQ_query_param_end
      47              :   };
      48              : 
      49              :   /* The deposit we point at is picked here rather than passed in because it
      50              :      is not a fact about the deferral at all: it exists only so that
      51              :      exchange_do_main_gc() deleting the aggregate's deposits takes the
      52              :      deferral with it.  Hence the *last* deposit to reach its wire deadline --
      53              :      that is the one whose collection means the whole aggregate is being aged
      54              :      out.  If the aggregation_tracking rows are not there yet the SELECT is
      55              :      empty and nothing is inserted, which is why the caller must run after
      56              :      TALER_EXCHANGEDB_do_aggregate(). */
      57           10 :   PREPARE (pg,
      58              :            "insert_aggregation_deferral",
      59              :            "INSERT INTO aggregation_deferrals"
      60              :            " (batch_deposit_serial_id"
      61              :            " ,wtid_raw"
      62              :            " ,wire_target_h_payto"
      63              :            " ,amount"
      64              :            " ,deferral_reason"
      65              :            " ,legitimization_requirement_serial_id"
      66              :            " ,deferral_time)"
      67              :            " SELECT"
      68              :            "   atr.batch_deposit_serial_id"
      69              :            "  ,$1, $2, $3, $4, $5, $6"
      70              :            "  FROM aggregation_tracking atr"
      71              :            "  JOIN batch_deposits bdep"
      72              :            "    USING (batch_deposit_serial_id)"
      73              :            "  WHERE atr.wtid_raw=$1"
      74              :            "  ORDER BY bdep.wire_deadline DESC"
      75              :            "  LIMIT 1;");
      76           10 :   return GNUNET_PQ_eval_prepared_non_select (pg->conn,
      77              :                                              "insert_aggregation_deferral",
      78              :                                              params);
      79              : }