/* This file is part of TALER Copyright (C) 2018 Taler Systems SA TALER is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. TALER is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with TALER; see the file COPYING. If not, see */ /** * @file exchange-lib/test_exchange_api_keys_cherry_picking_new.c * @brief testcase to test exchange's /keys cherry picking ability * @author Marcello Stanisci * @author Christian Grothoff */ #include "platform.h" #include "taler_util.h" #include "taler_signatures.h" #include "taler_exchange_service.h" #include "taler_json_lib.h" #include #include #include "taler_bank_service.h" #include "taler_fakebank_lib.h" #include "taler_testing_lib.h" /** * Configuration file we use. One (big) configuration is used * for the various components for this test. */ #define CONFIG_FILE "test_exchange_api_keys_cherry_picking.conf" /** * Used to increase the number of denomination keys. */ #define CONFIG_FILE_EXTENDED \ "test_exchange_api_keys_cherry_picking_extended.conf" /** * Used to increase the number of denomination keys. */ #define CONFIG_FILE_EXTENDED_2 \ "test_exchange_api_keys_cherry_picking_extended_2.conf" /** * Add seconds. * * @param base absolute time to add seconds to. * @param relative number of seconds to add. * @return a new absolute time, modified according to @e relative. */ #define ADDSECS(base, secs) \ GNUNET_TIME_absolute_add \ (base, \ GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, \ secs)) /** * Subtract seconds. * * @param base absolute time to subtract seconds to. * @param secs relative number of _seconds_ to subtract. * @return a new absolute time, modified according to @e relative. */ #define SUBSECS(base, secs) \ GNUNET_TIME_absolute_sub \ (base, \ GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, \ secs)) #define JAN1971 "1971-01-01" #define JAN2030 "2030-01-01" /** * Exchange base URL; mainly purpose is to make the compiler happy. */ static char *exchange_url; /** * Auditor base URL; mainly purpose is to make the compiler happy. */ static char *auditor_url; /** * Wrapper around the time parser. * * @param str human-readable time string. * @return the parsed time from @a str. */ static struct GNUNET_TIME_Absolute TTH_parse_time (const char *str) { struct GNUNET_TIME_Absolute ret; GNUNET_assert (GNUNET_OK == GNUNET_STRINGS_fancy_time_to_absolute (str, &ret)); return ret; } /** * Main function that will tell the interpreter what commands to * run. * * @param cls closure */ static void run (void *cls, struct TALER_TESTING_Interpreter *is) { struct TALER_TESTING_Command keys_serialization[] = { TALER_TESTING_cmd_serialize_keys ("serialize-keys"), TALER_TESTING_cmd_connect_with_state ("reconnect-with-state", "serialize-keys"), TALER_TESTING_cmd_wire ("verify-/wire-with-serialized-keys", "x-taler-bank", NULL, MHD_HTTP_OK), /** * This loads a very big lookahead_sign (3500s). */ TALER_TESTING_cmd_exec_keyup ("keyup-serialization", CONFIG_FILE_EXTENDED_2), #if 0 FIXME: #5672 The test below fails on different systems. Infact, different systems can generate different "anchors" values for their denoms, therefore the fixed value required by the test below (45) is condemned to fail. However, this seems to happen only when very big values are used for the "lookahead_sign" value. Here we use 3500 seconds, and the test breaks. A reasonable fix is to allow for some slack in the number of the expected keys. TALER_TESTING_cmd_check_keys ("check-freshest-keys", /* At this point, /keys has been * downloaded roughly 6 times, so by * forcing 10 here we make sure we get * all the new ones. */ 10, /* We use a very high number here to make * sure the "big" lookahead value got * respected. */ 45), #endif TALER_TESTING_cmd_wire ("verify-/wire-with-fresh-keys", "x-taler-bank", NULL, MHD_HTTP_OK), TALER_TESTING_cmd_end (), }; struct TALER_TESTING_Command ordinary_cherry_pick[] = { /** * 1 DK with 80s withdraw duration, lookahead_sign is 60s * => expect 1 DK. */ TALER_TESTING_cmd_check_keys ("check-keys-1", 1, /* generation */ 1), /** * The far-future now will cause "keyup" to start a fresh * key set. The new KS will have only one key, because the * current lookahead_sign == 60 seconds and the key's withdraw * duration is 80 seconds. */ TALER_TESTING_cmd_exec_keyup_with_now ("keyup-1", CONFIG_FILE, TTH_parse_time (JAN2030)), /** * Should return 1 new key, + the original one. NOTE: the * original DK will never be 'cancelled' as for the current * libtalerexchange logic, so it must always be counted. */ TALER_TESTING_cmd_check_keys_with_now ("check-keys-2", 2, /* generation */ 2, TTH_parse_time (JAN2030)), TALER_TESTING_cmd_exec_keyup_with_now ("keyup-3", CONFIG_FILE_EXTENDED_2, /* Taking care of not using a 'now' that equals the * last DK timestamp, otherwise it would get silently * overridden. */ ADDSECS (TTH_parse_time (JAN2030), 10)), /** * Expected number of DK: * * 3500 (the lookaeahd_sign time frame, in seconds) * - 69 (how many seconds are covered by the latest DK) * ---- * 3431 * / 79 (how many seconds each DK will cover) * ---- * 44 (rounded up) * + 2 (old DKs already stored locally: 1 from the * very initial setup, and 1 from the 'keyup-1' CMD) * ---- * 46 */ TALER_TESTING_cmd_check_keys_with_now ("check-keys-3", 3, 46, TTH_parse_time (JAN2030)), TALER_TESTING_cmd_end () }; struct TALER_TESTING_Command commands[] = { TALER_TESTING_cmd_batch ("ordinary-cherry-pick", ordinary_cherry_pick), /* TALER_TESTING_cmd_batch ("keys-serialization", keys_serialization), */ TALER_TESTING_cmd_end () }; TALER_TESTING_run (is, commands); } int main (int argc, char * const *argv) { /* These environment variables get in the way... */ unsetenv ("XDG_DATA_HOME"); unsetenv ("XDG_CONFIG_HOME"); GNUNET_log_setup ("test-exchange-api-cherry-picking-new", "DEBUG", NULL); TALER_TESTING_cleanup_files (CONFIG_FILE); /* @helpers. Run keyup, create tables, ... Note: it * fetches the port number from config in order to see * if it's available. */ switch (TALER_TESTING_prepare_exchange (CONFIG_FILE, &auditor_url, &exchange_url)) { case GNUNET_SYSERR: GNUNET_break (0); return 1; case GNUNET_NO: return 77; case GNUNET_OK: if (GNUNET_OK != /* Set up event loop and reschedule context, plus * start/stop the exchange. It calls TALER_TESTING_setup * which creates the 'is' object. */ TALER_TESTING_setup_with_exchange (&run, NULL, CONFIG_FILE)) return 1; break; default: GNUNET_break (0); return 1; } return 0; } /* end of test_exchange_api_keys_cherry_picking_new.c */