/* This file is part of TALER Copyright (C) 2014--2023 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 testing/test_exchange_api_revocation.c * @brief testcase to test key revocation handling via the exchange's HTTP API interface * @author Sree Harsha Totakura * @author Christian Grothoff * @author Marcello Stanisci */ #include "platform.h" #include "taler_util.h" #include "taler_signatures.h" #include "taler_exchange_service.h" #include "taler_json_lib.h" #include #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. */ static char *config_file; /** * Our credentials. */ static struct TALER_TESTING_Credentials cred; /** * 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 revocation[] = { TALER_TESTING_cmd_run_fakebank ("run-fakebank", cred.cfg, "exchange-account-2"), TALER_TESTING_cmd_system_start ("start-taler", config_file, "-e", NULL), TALER_TESTING_cmd_get_exchange ("get-exchange", cred.cfg, NULL, true, true), /** * Fill reserve with EUR:10.02, as withdraw fee is 1 ct per * config. */ TALER_TESTING_cmd_admin_add_incoming ("create-reserve-1", "EUR:10.02", &cred.ba, cred.user42_payto), TALER_TESTING_cmd_check_bank_admin_transfer ("check-create-reserve-1", "EUR:10.02", cred.user42_payto, cred.exchange_payto, "create-reserve-1"), /** * Run wire-watch to trigger the reserve creation. */ TALER_TESTING_cmd_exec_wirewatch2 ("wirewatch-4", config_file, "exchange-account-2"), /* Withdraw a 5 EUR coin, at fee of 1 ct */ TALER_TESTING_cmd_withdraw_amount ("withdraw-revocation-coin-1", "create-reserve-1", "EUR:5", 0, /* age restriction off */ MHD_HTTP_OK), /* Withdraw another 5 EUR coin, at fee of 1 ct */ TALER_TESTING_cmd_withdraw_amount ("withdraw-revocation-coin-2", "create-reserve-1", "EUR:5", 0, /* age restriction off */ MHD_HTTP_OK), /* Try to partially spend (deposit) 1 EUR of the 5 EUR coin (in full) * (merchant would receive EUR:0.99 due to 1 ct deposit fee) */// TALER_TESTING_cmd_deposit ("deposit-partial", "withdraw-revocation-coin-1", 0, cred.user42_payto, "{\"items\":[{\"name\":\"ice cream\",\"value\":\"EUR:1\"}]}", GNUNET_TIME_UNIT_ZERO, "EUR:1", MHD_HTTP_OK), /* Deposit another coin in full */ TALER_TESTING_cmd_deposit ("deposit-full", "withdraw-revocation-coin-2", 0, cred.user42_payto, "{\"items\":[{\"name\":\"ice cream\",\"value\":\"EUR:5\"}]}", GNUNET_TIME_UNIT_ZERO, "EUR:5", MHD_HTTP_OK), /** * Melt SOME of the rest of the coin's value * (EUR:3.17 = 3x EUR:1.03 + 7x EUR:0.13) */ TALER_TESTING_cmd_melt ("refresh-melt-1", "withdraw-revocation-coin-1", MHD_HTTP_OK, NULL), /** * Complete (successful) melt operation, and withdraw the coins */ TALER_TESTING_cmd_refresh_reveal ("refresh-reveal-1", "refresh-melt-1", MHD_HTTP_OK), /* Try to recoup before it's allowed */ TALER_TESTING_cmd_recoup_refresh ("recoup-not-allowed", MHD_HTTP_GONE, "refresh-reveal-1#0", "refresh-melt-1", "EUR:0.1"), /* Make refreshed coin invalid */ TALER_TESTING_cmd_revoke ("revoke-2-EUR:5", MHD_HTTP_OK, "refresh-melt-1", config_file), /* Also make fully spent coin invalid (should be same denom) */ TALER_TESTING_cmd_revoke ("revoke-2-EUR:5", MHD_HTTP_OK, "withdraw-revocation-coin-2", config_file), /* Refund fully spent coin (which should fail) */ TALER_TESTING_cmd_recoup ("recoup-fully-spent", MHD_HTTP_CONFLICT, "withdraw-revocation-coin-2", "EUR:0.1"), /* Refund coin to original coin */ TALER_TESTING_cmd_recoup_refresh ("recoup-1a", MHD_HTTP_OK, "refresh-reveal-1#0", "refresh-melt-1", "EUR:1"), TALER_TESTING_cmd_recoup_refresh ("recoup-1b", MHD_HTTP_OK, "refresh-reveal-1#1", "refresh-melt-1", "EUR:1"), TALER_TESTING_cmd_recoup_refresh ("recoup-1c", MHD_HTTP_OK, "refresh-reveal-1#2", "refresh-melt-1", "EUR:1"), /* Repeat recoup to test idempotency */ TALER_TESTING_cmd_recoup_refresh ("recoup-1c", MHD_HTTP_OK, "refresh-reveal-1#2", "refresh-melt-1", "EUR:1"), TALER_TESTING_cmd_recoup_refresh ("recoup-1c", MHD_HTTP_OK, "refresh-reveal-1#2", "refresh-melt-1", "EUR:1"), TALER_TESTING_cmd_recoup_refresh ("recoup-1c", MHD_HTTP_OK, "refresh-reveal-1#2", "refresh-melt-1", "EUR:1"), TALER_TESTING_cmd_recoup_refresh ("recoup-1c", MHD_HTTP_OK, "refresh-reveal-1#2", "refresh-melt-1", "EUR:1"), /* Now we have EUR:3.83 EUR back after 3x EUR:1 in recoups */ /* Melt original coin AGAIN, but only create one 0.1 EUR coin; This costs EUR:0.03 in refresh and EUR:01 in withdraw fees, leaving EUR:3.69. */ TALER_TESTING_cmd_melt ("refresh-melt-2", "withdraw-revocation-coin-1", MHD_HTTP_OK, "EUR:0.1", NULL), /** * Complete (successful) melt operation, and withdraw the coins */ TALER_TESTING_cmd_refresh_reveal ("refresh-reveal-2", "refresh-melt-2", MHD_HTTP_OK), /* Revokes refreshed EUR:0.1 coin */ TALER_TESTING_cmd_revoke ("revoke-3-EUR:0.1", MHD_HTTP_OK, "refresh-reveal-2", config_file), /* Revoke also original coin denomination */ TALER_TESTING_cmd_revoke ("revoke-4-EUR:5", MHD_HTTP_OK, "withdraw-revocation-coin-1", config_file), /* Refund coin EUR:0.1 to original coin, creating zombie! */ TALER_TESTING_cmd_recoup_refresh ("recoup-2", MHD_HTTP_OK, "refresh-reveal-2", "refresh-melt-2", "EUR:0.1"), /* Due to recoup, original coin is now at EUR:3.79 */ /* Refund original (now zombie) coin to reserve */ TALER_TESTING_cmd_recoup ("recoup-3", MHD_HTTP_OK, "withdraw-revocation-coin-1", "EUR:3.79"), /* Check the money is back with the reserve */ TALER_TESTING_cmd_status ("recoup-reserve-status-1", "create-reserve-1", "EUR:3.79", MHD_HTTP_OK), TALER_TESTING_cmd_end () }; (void) cls; TALER_TESTING_run (is, revocation); } int main (int argc, char *const *argv) { (void) argc; { char *cipher; cipher = GNUNET_STRINGS_get_suffix_from_binary_name (argv[0]); GNUNET_assert (NULL != cipher); GNUNET_asprintf (&config_file, "test_exchange_api-%s.conf", cipher); GNUNET_free (cipher); } return TALER_TESTING_main (argv, "INFO", config_file, "exchange-account-2", TALER_TESTING_BS_FAKEBANK, &cred, &run, NULL); } /* end of test_exchange_api_revocation.c */