test_kyclogic.c (6365B)
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 kyclogic/test_kyclogic.c 18 * @brief Tests for KYC rule evaluation 19 * @author Florian Dold 20 */ 21 #include "platform.h" 22 #include "taler/taler_kyclogic_lib.h" 23 #include "taler/taler_util.h" 24 25 26 /** 27 * Amounts to return from the test iterator. 28 */ 29 struct TestAmounts 30 { 31 /** 32 * Amounts, in reverse chronological order. 33 */ 34 const char *const *amounts; 35 36 /** 37 * Number of entries in @e amounts. 38 */ 39 unsigned int num_amounts; 40 }; 41 42 43 /** 44 * Return the amounts for one boundary test. 45 * 46 * @param cls a `struct TestAmounts` 47 * @param limit earliest relevant transaction time 48 * @param cb callback to invoke for each amount 49 * @param cb_cls closure for @a cb 50 * @return transaction status 51 */ 52 static enum GNUNET_DB_QueryStatus 53 amount_iterator (void *cls, 54 struct GNUNET_TIME_Absolute limit, 55 TALER_KYCLOGIC_KycAmountCallback cb, 56 void *cb_cls) 57 { 58 const struct TestAmounts *ta = cls; 59 struct GNUNET_TIME_Absolute now = GNUNET_TIME_absolute_get (); 60 61 (void) limit; 62 for (unsigned int i=0; i<ta->num_amounts; i++) 63 { 64 struct TALER_Amount amount; 65 66 GNUNET_assert (GNUNET_OK == 67 TALER_string_to_amount (ta->amounts[i], 68 &amount)); 69 GNUNET_assert (GNUNET_OK == 70 cb (cb_cls, 71 &amount, 72 now)); 73 } 74 return GNUNET_DB_STATUS_SUCCESS_ONE_RESULT; 75 } 76 77 78 /** 79 * Check whether the configured EUR:2 rule triggers for @a amounts. 80 * 81 * @param amounts amounts to add up 82 * @param num_amounts length of @a amounts 83 * @param expect_trigger true if the rule should trigger 84 */ 85 static void 86 check_threshold (const char *const amounts[], 87 unsigned int num_amounts, 88 bool expect_trigger) 89 { 90 struct TestAmounts ta = { 91 .amounts = amounts, 92 .num_amounts = num_amounts 93 }; 94 const struct TALER_KYCLOGIC_KycRule *triggered_rule; 95 struct TALER_Amount next_threshold; 96 struct TALER_Amount expected_threshold; 97 98 GNUNET_assert ( 99 GNUNET_DB_STATUS_SUCCESS_ONE_RESULT == 100 TALER_KYCLOGIC_kyc_test_required ( 101 TALER_KYCLOGIC_KYC_TRIGGER_DEPOSIT, 102 NULL, 103 &amount_iterator, 104 &ta, 105 &triggered_rule, 106 &next_threshold)); 107 GNUNET_assert (expect_trigger == (NULL != triggered_rule)); 108 GNUNET_assert (GNUNET_OK == 109 TALER_string_to_amount ("EUR:2", 110 &expected_threshold)); 111 GNUNET_assert (0 == 112 TALER_amount_cmp (&expected_threshold, 113 &next_threshold)); 114 } 115 116 117 int 118 main (int argc, 119 const char *const argv[]) 120 { 121 struct GNUNET_CONFIGURATION_Handle *cfg; 122 const char *const below[] = { "EUR:1.99999999" }; 123 const char *const equal[] = { "EUR:2" }; 124 const char *const cumulative_equal[] = { "EUR:1", "EUR:1" }; 125 const char *const cumulative_above[] = { "EUR:1", "EUR:1.00000001" }; 126 127 (void) argc; 128 (void) argv; 129 GNUNET_log_setup ("test-kyclogic", 130 "WARNING", 131 NULL); 132 cfg = GNUNET_CONFIGURATION_create (TALER_EXCHANGE_project_data ()); 133 GNUNET_CONFIGURATION_set_value_string (cfg, 134 "exchange", 135 "CURRENCY", 136 "EUR"); 137 GNUNET_CONFIGURATION_set_value_string (cfg, 138 "kyc-rule-deposit-boundary", 139 "ENABLED", 140 "YES"); 141 GNUNET_CONFIGURATION_set_value_string (cfg, 142 "kyc-rule-deposit-boundary", 143 "EXPOSED", 144 "YES"); 145 GNUNET_CONFIGURATION_set_value_string (cfg, 146 "kyc-rule-deposit-boundary", 147 "IS_AND_COMBINATOR", 148 "YES"); 149 GNUNET_CONFIGURATION_set_value_string (cfg, 150 "kyc-rule-deposit-boundary", 151 "OPERATION_TYPE", 152 "DEPOSIT"); 153 GNUNET_CONFIGURATION_set_value_string (cfg, 154 "kyc-rule-deposit-boundary", 155 "THRESHOLD", 156 "EUR:2"); 157 GNUNET_CONFIGURATION_set_value_string (cfg, 158 "kyc-rule-deposit-boundary", 159 "TIMEFRAME", 160 "1 day"); 161 GNUNET_CONFIGURATION_set_value_string (cfg, 162 "kyc-rule-deposit-boundary", 163 "NEXT_MEASURES", 164 "verboten"); 165 GNUNET_assert (GNUNET_OK == 166 TALER_KYCLOGIC_kyc_init (cfg, 167 NULL)); 168 GNUNET_CONFIGURATION_destroy (cfg); 169 170 /* The configured threshold is an inclusive maximum. */ 171 check_threshold (below, 172 sizeof (below) / sizeof (below[0]), 173 false); 174 check_threshold (equal, 175 sizeof (equal) / sizeof (equal[0]), 176 false); 177 check_threshold (cumulative_equal, 178 sizeof (cumulative_equal) / 179 sizeof (cumulative_equal[0]), 180 false); 181 check_threshold (cumulative_above, 182 sizeof (cumulative_above) / 183 sizeof (cumulative_above[0]), 184 true); 185 186 TALER_KYCLOGIC_kyc_done (); 187 return 0; 188 }