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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 "platform.h" 22 : #include "taler_error_codes.h" 23 : #include "taler_dbevents.h" 24 : #include "taler_pq_lib.h" 25 : #include "pg_get_ready_deposit.h" 26 : #include "pg_helper.h" 27 : 28 : 29 : enum GNUNET_DB_QueryStatus 30 121 : 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 : { 36 121 : struct PostgresClosure *pg = cls; 37 : struct GNUNET_TIME_Absolute now 38 121 : = GNUNET_TIME_absolute_get (); 39 121 : struct GNUNET_PQ_QueryParam params[] = { 40 121 : GNUNET_PQ_query_param_absolute_time (&now), 41 121 : GNUNET_PQ_query_param_uint64 (&start_shard_row), 42 121 : GNUNET_PQ_query_param_uint64 (&end_shard_row), 43 : GNUNET_PQ_query_param_end 44 : }; 45 121 : struct GNUNET_PQ_ResultSpec rs[] = { 46 121 : GNUNET_PQ_result_spec_auto_from_type ("merchant_pub", 47 : merchant_pub), 48 121 : GNUNET_PQ_result_spec_string ("payto_uri", 49 : &payto_uri->full_payto), 50 : GNUNET_PQ_result_spec_end 51 : }; 52 121 : const char *query = "deposits_get_ready"; 53 : 54 121 : PREPARE (pg, 55 : query, 56 : "SELECT" 57 : " wts.payto_uri" 58 : ",bdep.merchant_pub" 59 : " FROM batch_deposits bdep" 60 : " JOIN wire_targets wts" 61 : " USING (wire_target_h_payto)" 62 : " WHERE NOT (bdep.done OR bdep.policy_blocked)" 63 : " AND bdep.wire_deadline<=$1" 64 : " AND bdep.shard >= $2" 65 : " AND bdep.shard <= $3" 66 : " ORDER BY " 67 : " bdep.wire_deadline ASC" 68 : " ,bdep.shard ASC" 69 : " LIMIT 1;"); 70 121 : return GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 71 : query, 72 : params, 73 : rs); 74 : }