get_amount_arithmetic_inconsistency.c (5308B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2024 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 #include "taler/taler_error_codes.h" 17 #include "taler/taler_pq_lib.h" 18 #include "pg_helper.h" 19 #include "auditor-database/get_amount_arithmetic_inconsistency.h" 20 21 /** 22 * Closure for #deposit_confirmation_cb(). 23 */ 24 struct AmountArithmeticInconsistencyContext 25 { 26 27 /** 28 * Function to call for each deposit confirmation. 29 */ 30 TALER_AUDITORDB_AmountArithmeticInconsistencyCallback cb; 31 32 /** 33 * Closure for @e cb 34 */ 35 void *cb_cls; 36 37 /** 38 * Plugin context. 39 */ 40 struct TALER_AUDITORDB_PostgresContext *pg; 41 42 /** 43 * Query status to return. 44 */ 45 enum GNUNET_DB_QueryStatus qs; 46 }; 47 48 49 /** 50 * Helper function for #TALER_AUDITORDB_get_deposit_confirmations(). 51 * To be called with the results of a SELECT statement 52 * that has returned @a num_results results. 53 * 54 * @param cls closure of type `struct DepositConfirmationContext *` 55 * @param result the postgres result 56 * @param num_results the number of results in @a result 57 */ 58 static void 59 amount_arithmetic_inconsistency_cb (void *cls, 60 PGresult *result, 61 unsigned int num_results) 62 { 63 struct AmountArithmeticInconsistencyContext *dcc = cls; 64 struct TALER_AUDITORDB_PostgresContext *pg = dcc->pg; 65 66 for (unsigned int i = 0; i < num_results; i++) 67 { 68 struct TALER_AUDITORDB_AmountArithmeticInconsistency dc; 69 struct GNUNET_PQ_ResultSpec rs[] = { 70 GNUNET_PQ_result_spec_uint64 ("row_id", 71 &dc.row_id), 72 GNUNET_PQ_result_spec_uint64 ("problem_row_id", 73 &dc.problem_row_id), 74 GNUNET_PQ_result_spec_string ("operation", 75 &dc.operation), 76 TALER_PQ_RESULT_SPEC_AMOUNT ("exchange_amount", 77 &dc.exchange_amount), 78 TALER_PQ_RESULT_SPEC_AMOUNT ("auditor_amount", 79 &dc.auditor_amount), 80 GNUNET_PQ_result_spec_bool ("profitable", 81 &dc.profitable), 82 GNUNET_PQ_result_spec_bool ("suppressed", 83 &dc.suppressed), 84 GNUNET_PQ_result_spec_end 85 }; 86 enum GNUNET_GenericReturnValue rval; 87 88 if (GNUNET_OK != 89 GNUNET_PQ_extract_result (result, 90 rs, 91 i)) 92 { 93 GNUNET_break (0); 94 dcc->qs = GNUNET_DB_STATUS_HARD_ERROR; 95 return; 96 } 97 dcc->qs = i + 1; 98 rval = dcc->cb (dcc->cb_cls, 99 &dc); 100 GNUNET_PQ_cleanup_result (rs); 101 if (GNUNET_OK != rval) 102 break; 103 } 104 } 105 106 107 enum GNUNET_DB_QueryStatus 108 TALER_AUDITORDB_get_amount_arithmetic_inconsistency ( 109 struct TALER_AUDITORDB_PostgresContext *pg, 110 int64_t limit, 111 uint64_t offset, 112 bool return_suppressed, 113 TALER_AUDITORDB_AmountArithmeticInconsistencyCallback cb, 114 void *cb_cls) 115 { 116 uint64_t plimit = (uint64_t) ((limit < 0) ? -limit : limit); 117 struct GNUNET_PQ_QueryParam params[] = { 118 GNUNET_PQ_query_param_uint64 (&offset), 119 GNUNET_PQ_query_param_bool (return_suppressed), 120 GNUNET_PQ_query_param_uint64 (&plimit), 121 GNUNET_PQ_query_param_end 122 }; 123 struct AmountArithmeticInconsistencyContext dcc = { 124 .cb = cb, 125 .cb_cls = cb_cls, 126 .pg = pg 127 }; 128 enum GNUNET_DB_QueryStatus qs; 129 130 PREPARE (pg, 131 "auditor_amount_arithmetic_inconsistency_select_desc", 132 "SELECT" 133 " row_id" 134 ",problem_row_id" 135 ",operation" 136 ",exchange_amount" 137 ",auditor_amount" 138 ",profitable" 139 ",suppressed" 140 " FROM auditor_amount_arithmetic_inconsistency" 141 " WHERE (row_id<$1)" 142 " AND ($2 OR NOT suppressed)" 143 " ORDER BY row_id DESC" 144 " LIMIT $3" 145 ); 146 PREPARE (pg, 147 "auditor_amount_arithmetic_inconsistency_select_asc", 148 "SELECT" 149 " row_id" 150 ",problem_row_id" 151 ",operation" 152 ",exchange_amount" 153 ",auditor_amount" 154 ",profitable" 155 ",suppressed" 156 " FROM auditor_amount_arithmetic_inconsistency" 157 " WHERE (row_id>$1)" 158 " AND ($2 OR NOT suppressed)" 159 " ORDER BY row_id ASC" 160 " LIMIT $3" 161 ); 162 qs = GNUNET_PQ_eval_prepared_multi_select ( 163 pg->conn, 164 (limit > 0) 165 ? "auditor_amount_arithmetic_inconsistency_select_asc" 166 : "auditor_amount_arithmetic_inconsistency_select_desc", 167 params, 168 &amount_arithmetic_inconsistency_cb, 169 &dcc); 170 if (qs > 0) 171 return dcc.qs; 172 GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR != qs); 173 return qs; 174 }