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1 : /* 2 : This file is part of TALER 3 : Copyright (C) 2022, 2024, 2025 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_find_aggregation_transient.c 18 : * @brief Implementation of the find_aggregation_transient function for Postgres 19 : * @author Christian Grothoff 20 : */ 21 : #include "platform.h" 22 : #include "taler_error_codes.h" 23 : #include "taler_dbevents.h" 24 : #include "taler_pq_lib.h" 25 : #include "pg_find_aggregation_transient.h" 26 : #include "pg_helper.h" 27 : 28 : 29 : enum GNUNET_DB_QueryStatus 30 1 : TEH_PG_find_aggregation_transient ( 31 : void *cls, 32 : const struct TALER_NormalizedPaytoHashP *h_payto, 33 : struct TALER_FullPayto *payto_uri, 34 : struct TALER_WireTransferIdentifierRawP *wtid, 35 : struct TALER_MerchantPublicKeyP *merchant_pub, 36 : struct TALER_Amount *total) 37 : { 38 1 : struct PostgresClosure *pg = cls; 39 1 : struct GNUNET_PQ_QueryParam params[] = { 40 1 : GNUNET_PQ_query_param_auto_from_type (h_payto), 41 : GNUNET_PQ_query_param_end 42 : }; 43 1 : struct GNUNET_PQ_ResultSpec rs[] = { 44 1 : GNUNET_PQ_result_spec_auto_from_type ("merchant_pub", 45 : merchant_pub), 46 1 : GNUNET_PQ_result_spec_auto_from_type ("wtid_raw", 47 : wtid), 48 1 : GNUNET_PQ_result_spec_string ("payto_uri", 49 : &payto_uri->full_payto), 50 1 : TALER_PQ_RESULT_SPEC_AMOUNT ("amount", 51 : total), 52 : GNUNET_PQ_result_spec_end 53 : }; 54 : 55 1 : PREPARE (pg, 56 : "find_transient_aggregations", 57 : "SELECT" 58 : " atr.amount" 59 : " ,atr.wtid_raw" 60 : " ,atr.merchant_pub" 61 : " ,wt.payto_uri" 62 : " FROM wire_targets wt" 63 : " JOIN aggregation_transient atr" 64 : " USING (wire_target_h_payto)" 65 : " WHERE wt.h_normalized_payto=$1" 66 : " LIMIT 1;"); /* Note: there should really be only 1 match */ 67 1 : return GNUNET_PQ_eval_prepared_singleton_select ( 68 : pg->conn, 69 : "find_transient_aggregations", 70 : params, 71 : rs); 72 : }