select_pending_deposits.c (5542B)
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 src/auditordb/select_pending_deposits.c 18 * @brief Implementation of the select_pending_deposits function for Postgres 19 * @author Christian Grothoff 20 */ 21 #include "taler/taler_pq_lib.h" 22 #include "auditor-database/select_pending_deposits.h" 23 #include "pg_helper.h" 24 25 26 /** 27 * Closure for #wire_missing_cb(). 28 */ 29 struct WireMissingContext 30 { 31 32 /** 33 * Function to call for each pending deposit. 34 */ 35 TALER_AUDITORDB_WireMissingCallback cb; 36 37 /** 38 * Closure for @e cb 39 */ 40 void *cb_cls; 41 42 /** 43 * Plugin context. 44 */ 45 struct TALER_AUDITORDB_PostgresContext *pg; 46 47 /** 48 * Query status to return. 49 */ 50 enum GNUNET_DB_QueryStatus qs; 51 }; 52 53 54 /** 55 * Helper function for #TALER_AUDITORDB_select_purse_expired(). 56 * To be called with the results of a SELECT statement 57 * that has returned @a num_results results. 58 * 59 * @param cls closure of type `struct WireMissingContext *` 60 * @param result the postgres result 61 * @param num_results the number of results in @a result 62 */ 63 static void 64 wire_missing_cb (void *cls, 65 PGresult *result, 66 unsigned int num_results) 67 { 68 struct WireMissingContext *eic = cls; 69 struct TALER_AUDITORDB_PostgresContext *pg = eic->pg; 70 71 for (unsigned int i = 0; i < num_results; i++) 72 { 73 uint64_t row_id; 74 uint64_t batch_deposit_serial_id; 75 struct TALER_Amount total_amount; 76 struct TALER_FullPaytoHashP wire_target_h_payto; 77 struct GNUNET_TIME_Timestamp deadline; 78 bool suppressed; 79 struct GNUNET_PQ_ResultSpec rs[] = { 80 GNUNET_PQ_result_spec_uint64 ("row_id", 81 &row_id), 82 GNUNET_PQ_result_spec_uint64 ("batch_deposit_serial_id", 83 &batch_deposit_serial_id), 84 TALER_PQ_RESULT_SPEC_AMOUNT ("total_amount", 85 &total_amount), 86 GNUNET_PQ_result_spec_auto_from_type ("wire_target_h_payto", 87 &wire_target_h_payto), 88 GNUNET_PQ_result_spec_timestamp ("deadline", 89 &deadline), 90 GNUNET_PQ_result_spec_bool ("suppressed", 91 &suppressed), 92 GNUNET_PQ_result_spec_end 93 }; 94 95 if (GNUNET_OK != 96 GNUNET_PQ_extract_result (result, 97 rs, 98 i)) 99 { 100 GNUNET_break (0); 101 eic->qs = GNUNET_DB_STATUS_HARD_ERROR; 102 return; 103 } 104 eic->cb (eic->cb_cls, 105 row_id, 106 batch_deposit_serial_id, 107 &total_amount, 108 &wire_target_h_payto, 109 deadline, 110 suppressed); 111 } 112 eic->qs = num_results; 113 } 114 115 116 enum GNUNET_DB_QueryStatus 117 TALER_AUDITORDB_select_pending_deposits (struct 118 TALER_AUDITORDB_PostgresContext *pg, 119 struct GNUNET_TIME_Absolute deadline, 120 int64_t limit, 121 uint64_t offset, 122 bool return_suppressed, 123 TALER_AUDITORDB_WireMissingCallback cb, 124 void *cb_cls) 125 { 126 uint64_t ulimit = (limit < 0) ? -limit : limit; 127 struct GNUNET_PQ_QueryParam params[] = { 128 GNUNET_PQ_query_param_absolute_time (&deadline), 129 GNUNET_PQ_query_param_uint64 (&offset), 130 GNUNET_PQ_query_param_uint64 (&ulimit), 131 GNUNET_PQ_query_param_bool (return_suppressed), 132 GNUNET_PQ_query_param_end 133 }; 134 struct WireMissingContext eic = { 135 .cb = cb, 136 .cb_cls = cb_cls, 137 .pg = pg 138 }; 139 enum GNUNET_DB_QueryStatus qs; 140 141 PREPARE (pg, 142 "auditor_select_pending_deposits_asc", 143 "SELECT" 144 " row_id" 145 ",total_amount" 146 ",wire_target_h_payto" 147 ",batch_deposit_serial_id" 148 ",deadline" 149 ",suppressed" 150 " FROM auditor_pending_deposits" 151 " WHERE deadline<$1" 152 " AND (row_id > $2)" 153 " AND ($4 OR NOT suppressed)" 154 " ORDER BY row_id ASC" 155 " LIMIT $3;"); 156 PREPARE (pg, 157 "auditor_select_pending_deposits_desc", 158 "SELECT" 159 " row_id" 160 ",total_amount" 161 ",wire_target_h_payto" 162 ",batch_deposit_serial_id" 163 ",deadline" 164 ",suppressed" 165 " FROM auditor_pending_deposits" 166 " WHERE deadline<$1" 167 " AND (row_id < $2)" 168 " AND ($4 OR NOT suppressed)" 169 " ORDER BY row_id DESC" 170 " LIMIT $3;"); 171 qs = GNUNET_PQ_eval_prepared_multi_select ( 172 pg->conn, 173 "auditor_select_pending_deposits", 174 params, 175 &wire_missing_cb, 176 &eic); 177 if (0 > qs) 178 return qs; 179 GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR != eic.qs); 180 return eic.qs; 181 }