/* This file is part of TALER Copyright (C) 2014--2019 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/test_exchange_api_revocation.c * @brief testcase to test exchange's HTTP API interface involving payback * of refreshed coin after revocation of a denomination * @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 "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.conf" /** * URL of the fakebank. Obtained from CONFIG_FILE's * "exchange-wire-test:BANK_URI" option. */ static char *fakebank_url; /** * Exchange base URL as it appears in the configuration. Note * that it might differ from the one where the exchange actually * listens from. */ static char *exchange_url; /** * Auditor base URL as it appears in the configuration. Note * that it might differ from the one where the auditor actually * listens from. */ static char *auditor_url; /** * Account number of the exchange at the bank. */ #define EXCHANGE_ACCOUNT_NO 2 /** * Account number of some user. */ #define USER_ACCOUNT_NO 42 /** * User name. Never checked by fakebank. */ #define USER_LOGIN_NAME "user42" /** * User password. Never checked by fakebank. */ #define USER_LOGIN_PASS "pass42" /** * Execute the taler-exchange-wirewatch command with * our configuration file. * * @param label label to use for the command. */ #define CMD_EXEC_WIREWATCH(label) \ TALER_TESTING_cmd_exec_wirewatch (label, CONFIG_FILE) /** * Run wire transfer of funds from some user's account to the * exchange. * * @param label label to use for the command. * @param amount amount to transfer, i.e. "EUR:1" */ #define CMD_TRANSFER_TO_EXCHANGE(label,amount) \ TALER_TESTING_cmd_fakebank_transfer (label, amount, \ fakebank_url, USER_ACCOUNT_NO, EXCHANGE_ACCOUNT_NO, \ USER_LOGIN_NAME, USER_LOGIN_PASS, exchange_url) /** * 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 commands[] = { /** * Fill reserve with EUR:5.01, as withdraw fee is 1 ct per * config. */ CMD_TRANSFER_TO_EXCHANGE ("create-reserve-1", "EUR:5.01"), /** * Run wire-watch to trigger the reserve creation. */ CMD_EXEC_WIREWATCH ("wirewatch-4"), /* Withdraw a 5 EUR coin, at fee of 1 ct */ TALER_TESTING_cmd_withdraw_amount ("withdraw-coin-1", "create-reserve-1", "EUR:5", 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-coin-1", 0, TALER_TESTING_make_wire_details (42, fakebank_url), "{\"items\":[{\"name\":\"ice cream\",\ \"value\":\"EUR:1\"}]}", GNUNET_TIME_UNIT_ZERO, "EUR:1", MHD_HTTP_OK), /** * Melt the rest of the coin's value * (EUR:4.00 = 3x EUR:1.03 + 7x EUR:0.13) */ TALER_TESTING_cmd_refresh_melt_double ("refresh-melt-1", "EUR:4", "withdraw-coin-1", MHD_HTTP_OK), /** * Complete (successful) melt operation, and withdraw the coins */ TALER_TESTING_cmd_refresh_reveal ("refresh-reveal-1", "refresh-melt-1", MHD_HTTP_OK), /* Make refreshed coin invalid */ TALER_TESTING_cmd_revoke ("revoke-1", MHD_HTTP_OK, "refresh-melt-1", CONFIG_FILE), /* Refund coin to original coin */ TALER_TESTING_cmd_payback ("payback-1", MHD_HTTP_OK, "refresh-reveal-1", "EUR:5", "refresh-melt-1"), /** * Melt original coin AGAIN * (EUR:4.00 = 3x EUR:1.03 + 7x EUR:0.13) */ TALER_TESTING_cmd_refresh_melt_double ("refresh-melt-2", "EUR:4", "withdraw-coin-1", MHD_HTTP_OK), /** * Complete (successful) melt operation, and withdraw the coins */ TALER_TESTING_cmd_refresh_reveal ("refresh-reveal-2", "refresh-melt-2", MHD_HTTP_OK), /* Make refreshed coin invalid */ TALER_TESTING_cmd_revoke ("revoke-2", MHD_HTTP_OK, "refresh-reveal-2", CONFIG_FILE), /* Make also original coin invalid */ TALER_TESTING_cmd_revoke ("revoke-3", MHD_HTTP_OK, "withdraw-coin-1", CONFIG_FILE), /* Refund coin to original coin */ TALER_TESTING_cmd_payback ("payback-2", MHD_HTTP_OK, "refresh-melt-2", "EUR:5", "refresh-melt-2"), /* Refund original coin to reserve */ TALER_TESTING_cmd_payback ("payback-3", MHD_HTTP_OK, "withdraw-coin-1", "EUR:5", NULL), /* Check the money is back with the reserve */ TALER_TESTING_cmd_status ("payback-reserve-status-1", "create-reserve-1", "EUR:4.0", MHD_HTTP_OK), TALER_TESTING_cmd_end () }; TALER_TESTING_run_with_fakebank (is, commands, fakebank_url); } 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-revocation", "INFO", NULL); if (NULL == (fakebank_url /* Check fakebank port is available and config cares * about bank url. */ = TALER_TESTING_prepare_fakebank (CONFIG_FILE, "account-2"))) return 77; 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_revocation.c */