insert_aggregation_deferral.c (3306B)
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 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 uint32_t reason32 = (uint32_t) reason; 38 struct GNUNET_PQ_QueryParam params[] = { 39 GNUNET_PQ_query_param_auto_from_type (wtid), 40 GNUNET_PQ_query_param_auto_from_type (h_payto), 41 TALER_PQ_query_param_amount (pg->conn, 42 amount), 43 GNUNET_PQ_query_param_uint32 (&reason32), 44 GNUNET_PQ_query_param_uint64 (&kyc_requirement_row), 45 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 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 return GNUNET_PQ_eval_prepared_non_select (pg->conn, 77 "insert_aggregation_deferral", 78 params); 79 }