skeleton for exchange test of new feature #5777
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Christian Grothoff
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src/lib/test_exchange_api_revocation.c
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259
src/lib/test_exchange_api_revocation.c
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/*
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This file is part of TALER
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Copyright (C) 2014--2019 Taler Systems SA
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TALER is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 3, or
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(at your option) any later version.
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TALER is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public
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License along with TALER; see the file COPYING. If not, see
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<http://www.gnu.org/licenses/>
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*/
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/**
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* @file exchange/test_exchange_api_revocation.c
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* @brief testcase to test exchange's HTTP API interface involving payback
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* of refreshed coin after revocation of a denomination
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* @author Sree Harsha Totakura <sreeharsha@totakura.in>
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* @author Christian Grothoff
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* @author Marcello Stanisci
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*/
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#include "platform.h"
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#include "taler_util.h"
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#include "taler_signatures.h"
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#include "taler_exchange_service.h"
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#include "taler_json_lib.h"
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#include <gnunet/gnunet_util_lib.h>
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#include <microhttpd.h>
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#include "taler_bank_service.h"
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#include "taler_fakebank_lib.h"
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#include "taler_testing_lib.h"
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/**
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* Configuration file we use. One (big) configuration is used
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* for the various components for this test.
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*/
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#define CONFIG_FILE "test_exchange_api.conf"
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/**
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* URL of the fakebank. Obtained from CONFIG_FILE's
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* "exchange-wire-test:BANK_URI" option.
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*/
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static char *fakebank_url;
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/**
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* Exchange base URL as it appears in the configuration. Note
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* that it might differ from the one where the exchange actually
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* listens from.
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*/
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static char *exchange_url;
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/**
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* Auditor base URL as it appears in the configuration. Note
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* that it might differ from the one where the auditor actually
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* listens from.
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*/
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static char *auditor_url;
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/**
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* Account number of the exchange at the bank.
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*/
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#define EXCHANGE_ACCOUNT_NO 2
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/**
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* Account number of some user.
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*/
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#define USER_ACCOUNT_NO 42
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/**
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* User name. Never checked by fakebank.
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*/
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#define USER_LOGIN_NAME "user42"
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/**
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* User password. Never checked by fakebank.
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*/
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#define USER_LOGIN_PASS "pass42"
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/**
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* Execute the taler-exchange-wirewatch command with
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* our configuration file.
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*
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* @param label label to use for the command.
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*/
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#define CMD_EXEC_WIREWATCH(label) \
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TALER_TESTING_cmd_exec_wirewatch (label, CONFIG_FILE)
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/**
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* Run wire transfer of funds from some user's account to the
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* exchange.
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*
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* @param label label to use for the command.
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* @param amount amount to transfer, i.e. "EUR:1"
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*/
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#define CMD_TRANSFER_TO_EXCHANGE(label,amount) \
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TALER_TESTING_cmd_fakebank_transfer (label, amount, \
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fakebank_url, USER_ACCOUNT_NO, EXCHANGE_ACCOUNT_NO, \
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USER_LOGIN_NAME, USER_LOGIN_PASS, exchange_url)
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/**
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* Main function that will tell the interpreter what commands to
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* run.
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*
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* @param cls closure
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*/
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static void
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run (void *cls,
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struct TALER_TESTING_Interpreter *is)
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{
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struct TALER_TESTING_Command commands[] = {
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/**
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* Fill reserve with EUR:5.01, as withdraw fee is 1 ct per
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* config.
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*/
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CMD_TRANSFER_TO_EXCHANGE ("create-reserve-1",
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"EUR:5.01"),
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/**
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* Run wire-watch to trigger the reserve creation.
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*/
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CMD_EXEC_WIREWATCH ("wirewatch-4"),
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/* Withdraw a 5 EUR coin, at fee of 1 ct */
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TALER_TESTING_cmd_withdraw_amount ("withdraw-coin-1",
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"create-reserve-1",
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"EUR:5",
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MHD_HTTP_OK),
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/**
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* Try to partially spend (deposit) 1 EUR of the 5 EUR coin
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* (in full) (merchant would receive EUR:0.99 due to 1 ct
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* deposit fee)
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*/
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TALER_TESTING_cmd_deposit
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("deposit-partial",
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"withdraw-coin-1", 0,
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TALER_TESTING_make_wire_details (42,
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fakebank_url),
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"{\"items\":[{\"name\":\"ice cream\",\
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\"value\":\"EUR:1\"}]}",
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GNUNET_TIME_UNIT_ZERO, "EUR:1", MHD_HTTP_OK),
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/**
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* Melt the rest of the coin's value
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* (EUR:4.00 = 3x EUR:1.03 + 7x EUR:0.13) */
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TALER_TESTING_cmd_refresh_melt_double
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("refresh-melt-1", "EUR:4",
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"withdraw-coin-1", MHD_HTTP_OK),
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/**
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* Complete (successful) melt operation, and withdraw the coins
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*/
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TALER_TESTING_cmd_refresh_reveal
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("refresh-reveal-1",
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"refresh-melt-1", MHD_HTTP_OK),
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/* Make refreshed coin invalid */
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TALER_TESTING_cmd_revoke ("revoke-1",
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MHD_HTTP_OK,
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"refresh-melt-1",
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CONFIG_FILE),
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/* Refund coin to original coin */
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TALER_TESTING_cmd_payback ("payback-1",
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MHD_HTTP_OK,
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"refresh-melt-1",
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"EUR:5"),
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/**
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* Melt original coin AGAIN
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* (EUR:4.00 = 3x EUR:1.03 + 7x EUR:0.13) */
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TALER_TESTING_cmd_refresh_melt_double
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("refresh-melt-2", "EUR:4",
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"withdraw-coin-1", MHD_HTTP_OK),
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/**
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* Complete (successful) melt operation, and withdraw the coins
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*/
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TALER_TESTING_cmd_refresh_reveal
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("refresh-reveal-2",
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"refresh-melt-2", MHD_HTTP_OK),
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/* Make refreshed coin invalid */
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TALER_TESTING_cmd_revoke ("revoke-2",
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MHD_HTTP_OK,
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"refresh-melt-2",
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CONFIG_FILE),
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/* Make also original coin invalid */
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TALER_TESTING_cmd_revoke ("revoke-3",
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MHD_HTTP_OK,
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"withdraw-coin-1",
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CONFIG_FILE),
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/* Refund coin to original coin */
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TALER_TESTING_cmd_payback ("payback-2",
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MHD_HTTP_OK,
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"refresh-melt-2",
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"EUR:5"),
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/* Refund original coin to reserve */
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TALER_TESTING_cmd_payback ("payback-3",
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MHD_HTTP_OK,
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"withdraw-coin-1",
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"EUR:5"),
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/* Check the money is back with the reserve */
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TALER_TESTING_cmd_status ("payback-reserve-status-1",
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"create-reserve-1",
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"EUR:4.0",
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MHD_HTTP_OK),
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TALER_TESTING_cmd_end ()
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};
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TALER_TESTING_run_with_fakebank (is,
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commands,
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fakebank_url);
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}
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int
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main (int argc,
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char * const *argv)
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{
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/* These environment variables get in the way... */
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unsetenv ("XDG_DATA_HOME");
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unsetenv ("XDG_CONFIG_HOME");
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GNUNET_log_setup ("test-exchange-api-revocation",
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"INFO",
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NULL);
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if (NULL == (fakebank_url
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/* Check fakebank port is available and config cares
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* about bank url. */
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= TALER_TESTING_prepare_fakebank (CONFIG_FILE,
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"account-2")))
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return 77;
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TALER_TESTING_cleanup_files (CONFIG_FILE);
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/* @helpers. Run keyup, create tables, ... Note: it
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* fetches the port number from config in order to see
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* if it's available. */
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switch (TALER_TESTING_prepare_exchange (CONFIG_FILE,
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&auditor_url,
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&exchange_url))
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{
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case GNUNET_SYSERR:
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GNUNET_break (0);
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return 1;
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case GNUNET_NO:
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return 77;
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case GNUNET_OK:
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if (GNUNET_OK !=
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/* Set up event loop and reschedule context, plus
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* start/stop the exchange. It calls TALER_TESTING_setup
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* which creates the 'is' object.
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*/
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TALER_TESTING_setup_with_exchange (&run,
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NULL,
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CONFIG_FILE))
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return 1;
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break;
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default:
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GNUNET_break (0);
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return 1;
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}
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return 0;
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}
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/* end of test_exchange_api_revocation.c */
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