/* This file is part of TALER Copyright (C) 2014--2022 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.c * @brief testcase to test 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" #include "taler_extensions.h" /** * Configuration file we use. One (big) configuration is used * for the various components for this test. */ static char *config_file; /** * Special configuration file to use when we want reserves * to expire 'immediately'. */ static char *config_file_expire_reserve_now; /** * Exchange configuration data. */ static struct TALER_TESTING_ExchangeConfiguration ec; /** * Bank configuration data. */ static struct TALER_TESTING_BankConfiguration bc; /** * Some tests behave differently when using CS as we cannot * re-use the coin private key for different denominations * due to the derivation of it with the /csr values. Hence * some tests behave differently in CS mode, hence this * flag. */ static bool uses_cs; /** * 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) /** * Execute the taler-exchange-aggregator, closer and transfer commands with * our configuration file. * * @param label label to use for the command. */ #define CMD_EXEC_AGGREGATOR(label) \ TALER_TESTING_cmd_exec_aggregator (label "-aggregator", config_file), \ TALER_TESTING_cmd_exec_transfer (label "-transfer", 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_admin_add_incoming (label, amount, \ &bc.exchange_auth, \ bc.user42_payto) /** * Main function that will tell the interpreter what commands to * run. * * @param cls closure * @param is interpreter we use to run commands */ static void run (void *cls, struct TALER_TESTING_Interpreter *is) { /** * Checks made against /wire response. */ struct TALER_TESTING_Command wire[] = { /** * Check if 'x-taler-bank' wire method is offered * by the exchange. */ TALER_TESTING_cmd_wire ("wire-taler-bank-1", "x-taler-bank", NULL, MHD_HTTP_OK), TALER_TESTING_cmd_end () }; /** * Test withdrawal plus spending. */ struct TALER_TESTING_Command withdraw[] = { /** * Move money to the exchange's bank account. */ CMD_TRANSFER_TO_EXCHANGE ("create-reserve-1", "EUR:6.02"), TALER_TESTING_cmd_reserve_poll ("poll-reserve-1", "create-reserve-1", "EUR:6.02", GNUNET_TIME_UNIT_MINUTES, MHD_HTTP_OK), TALER_TESTING_cmd_check_bank_admin_transfer ("check-create-reserve-1", "EUR:6.02", bc.user42_payto, bc.exchange_payto, "create-reserve-1"), /** * Make a reserve exist, according to the previous * transfer. */ CMD_EXEC_WIREWATCH ("wirewatch-1"), TALER_TESTING_cmd_reserve_poll_finish ("finish-poll-reserve-1", GNUNET_TIME_UNIT_SECONDS, "poll-reserve-1"), /** * Withdraw EUR:5. */ TALER_TESTING_cmd_withdraw_amount ("withdraw-coin-1", "create-reserve-1", "EUR:5", 0, /* age restriction off */ MHD_HTTP_OK), /** * Withdraw EUR:1 using the SAME private coin key as for the previous coin * (in violation of the specification, to be detected on spending!). * However, note that this does NOT work with 'CS', as for a different * denomination we get different R0/R1 values from the exchange, and * thus will generate a different coin private key as R0/R1 are hashed * into the coin priv. So here, we fail to 'reuse' the key due to the * cryptographic construction! */ TALER_TESTING_cmd_withdraw_amount_reuse_key ("withdraw-coin-1x", "create-reserve-1", "EUR:1", 0, /* age restriction off */ "withdraw-coin-1", MHD_HTTP_OK), /** * Check the reserve is depleted. */ TALER_TESTING_cmd_status ("status-1", "create-reserve-1", "EUR:0", MHD_HTTP_OK), /* * Try to overdraw. */ TALER_TESTING_cmd_withdraw_amount ("withdraw-coin-2", "create-reserve-1", "EUR:5", 0, /* age restriction off */ MHD_HTTP_CONFLICT), TALER_TESTING_cmd_end () }; struct TALER_TESTING_Command spend[] = { /** * Spend the coin. */ TALER_TESTING_cmd_deposit ("deposit-simple", "withdraw-coin-1", 0, bc.user42_payto, "{\"items\":[{\"name\":\"ice cream\",\"value\":1}]}", GNUNET_TIME_UNIT_ZERO, "EUR:5", MHD_HTTP_OK), TALER_TESTING_cmd_deposit_replay ("deposit-simple-replay", "deposit-simple", MHD_HTTP_OK), /* This creates a conflict, as we have the same coin public key (reuse!), but different denomination public keys (which is not allowed). However, note that this does NOT work with 'CS', as for a different denomination we get different R0/R1 values from the exchange, and thus will generate a different coin private key as R0/R1 are hashed into the coin priv. So here, we fail to 'reuse' the key due to the cryptographic construction! */ TALER_TESTING_cmd_deposit ("deposit-reused-coin-key-failure", "withdraw-coin-1x", 0, bc.user42_payto, "{\"items\":[{\"name\":\"ice cream\",\"value\":1}]}", GNUNET_TIME_UNIT_ZERO, "EUR:1", uses_cs ? MHD_HTTP_OK : MHD_HTTP_CONFLICT), /** * Try to double spend using different wire details. */ TALER_TESTING_cmd_deposit ("deposit-double-1", "withdraw-coin-1", 0, bc.user43_payto, "{\"items\":[{\"name\":\"ice cream\",\"value\":1}]}", GNUNET_TIME_UNIT_ZERO, "EUR:5", MHD_HTTP_CONFLICT), /* Try to double spend using a different transaction id. * The test needs the contract terms to differ. This * is currently the case because of the "timestamp" field, * which is set automatically by #TALER_TESTING_cmd_deposit(). * This could theoretically fail if at some point a deposit * command executes in less than 1 ms. */// TALER_TESTING_cmd_deposit ("deposit-double-1", "withdraw-coin-1", 0, bc.user43_payto, "{\"items\":[{\"name\":\"ice cream\",\"value\":1}]}", GNUNET_TIME_UNIT_ZERO, "EUR:5", MHD_HTTP_CONFLICT), /** * Try to double spend with different proposal. */ TALER_TESTING_cmd_deposit ("deposit-double-2", "withdraw-coin-1", 0, bc.user43_payto, "{\"items\":[{\"name\":\"ice cream\",\"value\":2}]}", GNUNET_TIME_UNIT_ZERO, "EUR:5", MHD_HTTP_CONFLICT), TALER_TESTING_cmd_end () }; struct TALER_TESTING_Command refresh[] = { /** * Try to melt the coin that shared the private key with another * coin (should fail). Note that in the CS-case, we fail also * with MHD_HTTP_CONFLICT, but for a different reason: here it * is not a denomination conflict, but a double-spending conflict. */ TALER_TESTING_cmd_melt ("refresh-melt-reused-coin-key-failure", "withdraw-coin-1x", MHD_HTTP_CONFLICT, NULL), /* Fill reserve with EUR:5, 1ct is for fees. */ CMD_TRANSFER_TO_EXCHANGE ("refresh-create-reserve-1", "EUR:5.01"), TALER_TESTING_cmd_check_bank_admin_transfer ("ck-refresh-create-reserve-1", "EUR:5.01", bc.user42_payto, bc.exchange_payto, "refresh-create-reserve-1"), /** * Make previous command effective. */ CMD_EXEC_WIREWATCH ("wirewatch-2"), /** * Withdraw EUR:5. */ TALER_TESTING_cmd_withdraw_amount ("refresh-withdraw-coin-1", "refresh-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 ("refresh-deposit-partial", "refresh-withdraw-coin-1", 0, bc.user42_payto, "{\"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_melt_double ("refresh-melt-1", "refresh-withdraw-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), /** * Do it again to check idempotency */ TALER_TESTING_cmd_refresh_reveal ("refresh-reveal-1-idempotency", "refresh-melt-1", MHD_HTTP_OK), /** * Test that /refresh/link works */ TALER_TESTING_cmd_refresh_link ("refresh-link-1", "refresh-reveal-1", MHD_HTTP_OK), /** * Try to spend a refreshed EUR:1 coin */ TALER_TESTING_cmd_deposit ("refresh-deposit-refreshed-1a", "refresh-reveal-1-idempotency", 0, bc.user42_payto, "{\"items\":[{\"name\":\"ice cream\",\"value\":3}]}", GNUNET_TIME_UNIT_ZERO, "EUR:1", MHD_HTTP_OK), /** * Try to spend a refreshed EUR:0.1 coin */ TALER_TESTING_cmd_deposit ("refresh-deposit-refreshed-1b", "refresh-reveal-1", 3, bc.user43_payto, "{\"items\":[{\"name\":\"ice cream\",\"value\":3}]}", GNUNET_TIME_UNIT_ZERO, "EUR:0.1", MHD_HTTP_OK), /* Test running a failing melt operation (same operation * again must fail) */ TALER_TESTING_cmd_melt ("refresh-melt-failing", "refresh-withdraw-coin-1", MHD_HTTP_CONFLICT, NULL), /* Test running a failing melt operation (on a coin that was itself revealed and subsequently deposited) */ TALER_TESTING_cmd_melt ("refresh-melt-failing-2", "refresh-reveal-1", MHD_HTTP_CONFLICT, NULL), TALER_TESTING_cmd_end () }; /** * Test withdrawal with age restriction. Success is expected, so it MUST be * called _after_ TALER_TESTING_cmd_exec_offline_sign_extensions is called, * i. e. age restriction is activated in the exchange! * * TODO: create a test that tries to withdraw coins with age restriction but * (expectedly) fails because the exchange doesn't support age restriction * yet. */ struct TALER_TESTING_Command withdraw_age[] = { /** * Move money to the exchange's bank account. */ CMD_TRANSFER_TO_EXCHANGE ("create-reserve-age", "EUR:6.01"), TALER_TESTING_cmd_check_bank_admin_transfer ("check-create-reserve-age", "EUR:6.01", bc.user42_payto, bc.exchange_payto, "create-reserve-age"), /** * Make a reserve exist, according to the previous * transfer. */ CMD_EXEC_WIREWATCH ("wirewatch-age"), /** * Withdraw EUR:5. */ TALER_TESTING_cmd_withdraw_amount ("withdraw-coin-age-1", "create-reserve-age", "EUR:5", 13, MHD_HTTP_OK), TALER_TESTING_cmd_end () }; struct TALER_TESTING_Command spend_age[] = { /** * Spend the coin. */ TALER_TESTING_cmd_deposit ("deposit-simple-age", "withdraw-coin-age-1", 0, bc.user42_payto, "{\"items\":[{\"name\":\"ice cream\",\"value\":1}]}", GNUNET_TIME_UNIT_ZERO, "EUR:4.99", MHD_HTTP_OK), TALER_TESTING_cmd_deposit_replay ("deposit-simple-replay-age", "deposit-simple-age", MHD_HTTP_OK), TALER_TESTING_cmd_end () }; struct TALER_TESTING_Command track[] = { /* Try resolving a deposit's WTID, as we never triggered * execution of transactions, the answer should be that * the exchange knows about the deposit, but has no WTID yet. */// TALER_TESTING_cmd_track_transaction ("deposit-wtid-found", "deposit-simple", 0, MHD_HTTP_ACCEPTED, NULL), /* Try resolving a deposit's WTID for a failed deposit. * As the deposit failed, the answer should be that the * exchange does NOT know about the deposit. */ TALER_TESTING_cmd_track_transaction ("deposit-wtid-failing", "deposit-double-2", 0, MHD_HTTP_NOT_FOUND, NULL), /* Try resolving an undefined (all zeros) WTID; this * should fail as obviously the exchange didn't use that * WTID value for any transaction. */ TALER_TESTING_cmd_track_transfer_empty ("wire-deposit-failing", NULL, MHD_HTTP_NOT_FOUND), TALER_TESTING_cmd_sleep ("sleep-before-aggregator", 1), /* Run transfers. Note that _actual_ aggregation will NOT * happen here, as each deposit operation is run with a * fresh merchant public key, so the aggregator will treat * them as "different" merchants and do the wire transfers * individually. */// CMD_EXEC_AGGREGATOR ("run-aggregator"), /** * Check all the transfers took place. */ TALER_TESTING_cmd_check_bank_transfer ("check_bank_transfer-499c", ec.exchange_url, "EUR:4.98", bc.exchange_payto, bc.user42_payto), TALER_TESTING_cmd_check_bank_transfer ("check_bank_transfer-499c2", ec.exchange_url, "EUR:4.97", bc.exchange_payto, bc.user42_payto), TALER_TESTING_cmd_check_bank_transfer ("check_bank_transfer-99c1", ec.exchange_url, "EUR:0.98", bc.exchange_payto, bc.user42_payto), TALER_TESTING_cmd_check_bank_transfer ("check_bank_transfer-99c2", ec.exchange_url, "EUR:0.98", bc.exchange_payto, bc.user42_payto), TALER_TESTING_cmd_check_bank_transfer ("check_bank_transfer-99c3", ec.exchange_url, "EUR:0.98", bc.exchange_payto, bc.user42_payto), TALER_TESTING_cmd_check_bank_transfer ("check_bank_transfer-99c4", ec.exchange_url, "EUR:0.98", bc.exchange_payto, bc.user42_payto), TALER_TESTING_cmd_check_bank_transfer ("check_bank_transfer-08c", ec.exchange_url, "EUR:0.08", bc.exchange_payto, bc.user43_payto), TALER_TESTING_cmd_check_bank_transfer ("check_bank_transfer-08c2", ec.exchange_url, "EUR:0.08", bc.exchange_payto, bc.user43_payto), /* In case of CS, one transaction above succeeded that failed for RSA, hence we need to check for an extra transfer here */ uses_cs ? TALER_TESTING_cmd_check_bank_transfer ("check_bank_transfer-98c", ec.exchange_url, "EUR:0.98", bc.exchange_payto, bc.user42_payto) : TALER_TESTING_cmd_sleep ("dummy", 0), TALER_TESTING_cmd_check_bank_empty ("check_bank_empty"), TALER_TESTING_cmd_track_transaction ("deposit-wtid-ok", "deposit-simple", 0, MHD_HTTP_OK, "check_bank_transfer-499c"), TALER_TESTING_cmd_track_transfer ("wire-deposit-success-bank", "check_bank_transfer-99c1", MHD_HTTP_OK, "EUR:0.98", "EUR:0.01"), TALER_TESTING_cmd_track_transfer ("wire-deposits-success-wtid", "deposit-wtid-ok", MHD_HTTP_OK, "EUR:4.98", "EUR:0.01"), TALER_TESTING_cmd_end () }; /** * This block checks whether a wire deadline * very far in the future does NOT get aggregated now. */ struct TALER_TESTING_Command unaggregation[] = { TALER_TESTING_cmd_check_bank_empty ("far-future-aggregation-a"), CMD_TRANSFER_TO_EXCHANGE ("create-reserve-unaggregated", "EUR:5.01"), /* "consume" reserve creation transfer. */ TALER_TESTING_cmd_check_bank_admin_transfer ( "check-create-reserve-unaggregated", "EUR:5.01", bc.user42_payto, bc.exchange_payto, "create-reserve-unaggregated"), CMD_EXEC_WIREWATCH ("wirewatch-unaggregated"), TALER_TESTING_cmd_withdraw_amount ("withdraw-coin-unaggregated", "create-reserve-unaggregated", "EUR:5", 0, /* age restriction off */ MHD_HTTP_OK), TALER_TESTING_cmd_deposit ("deposit-unaggregated", "withdraw-coin-unaggregated", 0, bc.user43_payto, "{\"items\":[{\"name\":\"ice cream\",\"value\":1}]}", GNUNET_TIME_relative_multiply ( GNUNET_TIME_UNIT_YEARS, 3000), "EUR:5", MHD_HTTP_OK), CMD_EXEC_AGGREGATOR ("aggregation-attempt"), TALER_TESTING_cmd_check_bank_empty ("far-future-aggregation-b"), TALER_TESTING_cmd_end () }; struct TALER_TESTING_Command refresh_age[] = { /* Fill reserve with EUR:5, 1ct is for fees. */ CMD_TRANSFER_TO_EXCHANGE ("refresh-create-reserve-age-1", "EUR:6.01"), TALER_TESTING_cmd_check_bank_admin_transfer ( "ck-refresh-create-reserve-age-1", "EUR:6.01", bc.user42_payto, bc.exchange_payto, "refresh-create-reserve-age-1"), /** * Make previous command effective. */ CMD_EXEC_WIREWATCH ("wirewatch-age-2"), /** * Withdraw EUR:7 with age restriction for age 13. */ TALER_TESTING_cmd_withdraw_amount ("refresh-withdraw-coin-age-1", "refresh-create-reserve-age-1", "EUR:5", 13, 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 ("refresh-deposit-partial-age", "refresh-withdraw-coin-age-1", 0, bc.user42_payto, "{\"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_melt_double ("refresh-melt-age-1", "refresh-withdraw-coin-age-1", MHD_HTTP_OK, NULL), /** * Complete (successful) melt operation, and * withdraw the coins */ TALER_TESTING_cmd_refresh_reveal ("refresh-reveal-age-1", "refresh-melt-age-1", MHD_HTTP_OK), /** * Do it again to check idempotency */ TALER_TESTING_cmd_refresh_reveal ("refresh-reveal-age-1-idempotency", "refresh-melt-age-1", MHD_HTTP_OK), /** * Test that /refresh/link works */ TALER_TESTING_cmd_refresh_link ("refresh-link-age-1", "refresh-reveal-age-1", MHD_HTTP_OK), /** * Try to spend a refreshed EUR:1 coin */ TALER_TESTING_cmd_deposit ("refresh-deposit-refreshed-age-1a", "refresh-reveal-age-1-idempotency", 0, bc.user42_payto, "{\"items\":[{\"name\":\"ice cream\",\"value\":3}]}", GNUNET_TIME_UNIT_ZERO, "EUR:1", MHD_HTTP_OK), /** * Try to spend a refreshed EUR:0.1 coin */ TALER_TESTING_cmd_deposit ("refresh-deposit-refreshed-age-1b", "refresh-reveal-age-1", 3, bc.user43_payto, "{\"items\":[{\"name\":\"ice cream\",\"value\":3}]}", GNUNET_TIME_UNIT_ZERO, "EUR:0.1", MHD_HTTP_OK), /* Test running a failing melt operation (same operation * again must fail) */ TALER_TESTING_cmd_melt ("refresh-melt-failing-age", "refresh-withdraw-coin-age-1", MHD_HTTP_CONFLICT, NULL), /* Test running a failing melt operation (on a coin that was itself revealed and subsequently deposited) */ TALER_TESTING_cmd_melt ("refresh-melt-failing-age-2", "refresh-reveal-age-1", MHD_HTTP_CONFLICT, NULL), TALER_TESTING_cmd_end () }; /** * This block exercises the aggretation logic by making two payments * to the same merchant. */ struct TALER_TESTING_Command aggregation[] = { CMD_TRANSFER_TO_EXCHANGE ("create-reserve-aggtest", "EUR:5.01"), /* "consume" reserve creation transfer. */ TALER_TESTING_cmd_check_bank_admin_transfer ( "check-create-reserve-aggtest", "EUR:5.01", bc.user42_payto, bc.exchange_payto, "create-reserve-aggtest"), CMD_EXEC_WIREWATCH ("wirewatch-aggtest"), TALER_TESTING_cmd_withdraw_amount ("withdraw-coin-aggtest", "create-reserve-aggtest", "EUR:5", 0, /* age restriction off */ MHD_HTTP_OK), TALER_TESTING_cmd_deposit ("deposit-aggtest-1", "withdraw-coin-aggtest", 0, bc.user43_payto, "{\"items\":[{\"name\":\"ice cream\",\"value\":1}]}", GNUNET_TIME_UNIT_ZERO, "EUR:2", MHD_HTTP_OK), TALER_TESTING_cmd_deposit_with_ref ("deposit-aggtest-2", "withdraw-coin-aggtest", 0, bc.user43_payto, "{\"items\":[{\"name\":\"foo bar\",\"value\":1}]}", GNUNET_TIME_UNIT_ZERO, "EUR:2", MHD_HTTP_OK, "deposit-aggtest-1"), CMD_EXEC_AGGREGATOR ("aggregation-aggtest"), TALER_TESTING_cmd_check_bank_transfer ("check-bank-transfer-aggtest", ec.exchange_url, "EUR:3.97", bc.exchange_payto, bc.user43_payto), TALER_TESTING_cmd_check_bank_empty ("check-bank-empty-aggtest"), TALER_TESTING_cmd_end () }; struct TALER_TESTING_Command refund[] = { /** * Fill reserve with EUR:5.01, as withdraw fee is 1 ct per * config. */ CMD_TRANSFER_TO_EXCHANGE ("create-reserve-r1", "EUR:5.01"), TALER_TESTING_cmd_check_bank_admin_transfer ("check-create-reserve-r1", "EUR:5.01", bc.user42_payto, bc.exchange_payto, "create-reserve-r1"), /** * Run wire-watch to trigger the reserve creation. */ CMD_EXEC_WIREWATCH ("wirewatch-3"), /* Withdraw a 5 EUR coin, at fee of 1 ct */ TALER_TESTING_cmd_withdraw_amount ("withdraw-coin-r1", "create-reserve-r1", "EUR:5", 0, /* age restriction off */ MHD_HTTP_OK), /** * Spend 5 EUR of the 5 EUR coin (in full) (merchant would * receive EUR:4.99 due to 1 ct deposit fee) */ TALER_TESTING_cmd_deposit ("deposit-refund-1", "withdraw-coin-r1", 0, bc.user42_payto, "{\"items\":[{\"name\":\"ice cream\",\"value\":\"EUR:5\"}]}", GNUNET_TIME_UNIT_MINUTES, "EUR:5", MHD_HTTP_OK), /** * Run transfers. Should do nothing as refund deadline blocks it */ CMD_EXEC_AGGREGATOR ("run-aggregator-refund"), /* Check that aggregator didn't do anything, as expected. * Note, this operation takes two commands: one to "flush" * the preliminary transfer (used to withdraw) from the * fakebank and the second to actually check there are not * other transfers around. */// TALER_TESTING_cmd_check_bank_empty ("check_bank_transfer-pre-refund"), TALER_TESTING_cmd_refund_with_id ("refund-ok", MHD_HTTP_OK, "EUR:3", "deposit-refund-1", 3), TALER_TESTING_cmd_refund_with_id ("refund-ok-double", MHD_HTTP_OK, "EUR:3", "deposit-refund-1", 3), /* Previous /refund(s) had id == 0. */ TALER_TESTING_cmd_refund_with_id ("refund-conflicting", MHD_HTTP_CONFLICT, "EUR:5", "deposit-refund-1", 1), TALER_TESTING_cmd_deposit ("deposit-refund-insufficient-refund", "withdraw-coin-r1", 0, bc.user42_payto, "{\"items\":[{\"name\":\"ice cream\",\"value\":\"EUR:4\"}]}", GNUNET_TIME_UNIT_MINUTES, "EUR:4", MHD_HTTP_CONFLICT), TALER_TESTING_cmd_refund_with_id ("refund-ok-increase", MHD_HTTP_OK, "EUR:2", "deposit-refund-1", 2), /** * Spend 4.99 EUR of the refunded 4.99 EUR coin (1ct gone * due to refund) (merchant would receive EUR:4.98 due to * 1 ct deposit fee) */ TALER_TESTING_cmd_deposit ("deposit-refund-2", "withdraw-coin-r1", 0, bc.user42_payto, "{\"items\":[{\"name\":\"more ice cream\",\"value\":\"EUR:5\"}]}", GNUNET_TIME_UNIT_ZERO, "EUR:4.99", MHD_HTTP_OK), /** * Run transfers. This will do the transfer as refund deadline * was 0 */ CMD_EXEC_AGGREGATOR ("run-aggregator-3"), /** * Check that deposit did run. */ TALER_TESTING_cmd_check_bank_transfer ("check_bank_transfer-pre-refund", ec.exchange_url, "EUR:4.97", bc.exchange_payto, bc.user42_payto), /** * Run failing refund, as past deadline & aggregation. */ TALER_TESTING_cmd_refund ("refund-fail", MHD_HTTP_GONE, "EUR:4.99", "deposit-refund-2"), TALER_TESTING_cmd_check_bank_empty ("check-empty-after-refund"), /** * Test refunded coins are never executed, even past * refund deadline */ CMD_TRANSFER_TO_EXCHANGE ("create-reserve-rb", "EUR:5.01"), TALER_TESTING_cmd_check_bank_admin_transfer ("check-create-reserve-rb", "EUR:5.01", bc.user42_payto, bc.exchange_payto, "create-reserve-rb"), CMD_EXEC_WIREWATCH ("wirewatch-rb"), TALER_TESTING_cmd_withdraw_amount ("withdraw-coin-rb", "create-reserve-rb", "EUR:5", 0, /* age restriction off */ MHD_HTTP_OK), TALER_TESTING_cmd_deposit ("deposit-refund-1b", "withdraw-coin-rb", 0, bc.user42_payto, "{\"items\":[{\"name\":\"ice cream\",\"value\":\"EUR:5\"}]}", GNUNET_TIME_UNIT_ZERO, "EUR:5", MHD_HTTP_OK), /** * Trigger refund (before aggregator had a chance to execute * deposit, even though refund deadline was zero). */ TALER_TESTING_cmd_refund ("refund-ok-fast", MHD_HTTP_OK, "EUR:5", "deposit-refund-1b"), /** * Run transfers. This will do the transfer as refund deadline * was 0, except of course because the refund succeeded, the * transfer should no longer be done. */ CMD_EXEC_AGGREGATOR ("run-aggregator-3b"), /* check that aggregator didn't do anything, as expected */ TALER_TESTING_cmd_check_bank_empty ("check-refund-fast-not-run"), TALER_TESTING_cmd_end () }; struct TALER_TESTING_Command recoup[] = { /** * Fill reserve with EUR:5.01, as withdraw fee is 1 ct per * config. */ CMD_TRANSFER_TO_EXCHANGE ("recoup-create-reserve-1", "EUR:15.02"), TALER_TESTING_cmd_check_bank_admin_transfer ( "recoup-create-reserve-1-check", "EUR:15.02", bc.user42_payto, bc.exchange_payto, "recoup-create-reserve-1"), /** * 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 ("recoup-withdraw-coin-1", "recoup-create-reserve-1", "EUR:5", 0, /* age restriction off */ MHD_HTTP_OK), /* Withdraw a 10 EUR coin, at fee of 1 ct */ TALER_TESTING_cmd_withdraw_amount ("recoup-withdraw-coin-1b", "recoup-create-reserve-1", "EUR:10", 0, /* age restriction off */ MHD_HTTP_OK), /* melt 10 EUR coin to get 5 EUR refreshed coin */ TALER_TESTING_cmd_melt ("recoup-melt-coin-1b", "recoup-withdraw-coin-1b", MHD_HTTP_OK, "EUR:5", NULL), TALER_TESTING_cmd_refresh_reveal ("recoup-reveal-coin-1b", "recoup-melt-coin-1b", MHD_HTTP_OK), /* Revoke both 5 EUR coins */ TALER_TESTING_cmd_revoke ("revoke-0-EUR:5", MHD_HTTP_OK, "recoup-withdraw-coin-1", config_file), /* Recoup coin to reserve */ TALER_TESTING_cmd_recoup ("recoup-1", MHD_HTTP_OK, "recoup-withdraw-coin-1", "EUR:5"), /* Check the money is back with the reserve */ TALER_TESTING_cmd_status ("recoup-reserve-status-1", "recoup-create-reserve-1", "EUR:5.0", MHD_HTTP_OK), /* Recoup-refresh coin to 10 EUR coin */ TALER_TESTING_cmd_recoup_refresh ("recoup-1b", MHD_HTTP_OK, "recoup-reveal-coin-1b", "recoup-melt-coin-1b", "EUR:5"), /* melt 10 EUR coin *again* to get 1 EUR refreshed coin */ TALER_TESTING_cmd_melt ("recoup-remelt-coin-1a", "recoup-withdraw-coin-1b", MHD_HTTP_OK, "EUR:1", NULL), TALER_TESTING_cmd_refresh_reveal ("recoup-reveal-coin-1a", "recoup-remelt-coin-1a", MHD_HTTP_OK), /* Try melting for more than the residual value to provoke an error */ TALER_TESTING_cmd_melt ("recoup-remelt-coin-1b", "recoup-withdraw-coin-1b", MHD_HTTP_OK, "EUR:1", NULL), TALER_TESTING_cmd_melt ("recoup-remelt-coin-1c", "recoup-withdraw-coin-1b", MHD_HTTP_OK, "EUR:1", NULL), TALER_TESTING_cmd_melt ("recoup-remelt-coin-1d", "recoup-withdraw-coin-1b", MHD_HTTP_OK, "EUR:1", NULL), TALER_TESTING_cmd_melt ("recoup-remelt-coin-1e", "recoup-withdraw-coin-1b", MHD_HTTP_OK, "EUR:1", NULL), TALER_TESTING_cmd_melt ("recoup-remelt-coin-1f", "recoup-withdraw-coin-1b", MHD_HTTP_OK, "EUR:1", NULL), TALER_TESTING_cmd_melt ("recoup-remelt-coin-1g", "recoup-withdraw-coin-1b", MHD_HTTP_OK, "EUR:1", NULL), TALER_TESTING_cmd_melt ("recoup-remelt-coin-1h", "recoup-withdraw-coin-1b", MHD_HTTP_OK, "EUR:1", NULL), TALER_TESTING_cmd_melt ("recoup-remelt-coin-1i", "recoup-withdraw-coin-1b", MHD_HTTP_OK, "EUR:1", NULL), TALER_TESTING_cmd_melt ("recoup-remelt-coin-1b-failing", "recoup-withdraw-coin-1b", MHD_HTTP_CONFLICT, "EUR:1", NULL), /* Re-withdraw from this reserve */ TALER_TESTING_cmd_withdraw_amount ("recoup-withdraw-coin-2", "recoup-create-reserve-1", "EUR:1", 0, /* age restriction off */ MHD_HTTP_OK), /** * This withdrawal will test the logic to create a "recoup" * element to insert into the reserve's history. */ TALER_TESTING_cmd_withdraw_amount ("recoup-withdraw-coin-2-over", "recoup-create-reserve-1", "EUR:10", 0, /* age restriction off */ MHD_HTTP_CONFLICT), TALER_TESTING_cmd_status ("recoup-reserve-status-2", "recoup-create-reserve-1", "EUR:3.99", MHD_HTTP_OK), /* These commands should close the reserve because * the aggregator is given a config file that overrides * the reserve expiration time (making it now-ish) */ CMD_TRANSFER_TO_EXCHANGE ("short-lived-reserve", "EUR:5.01"), TALER_TESTING_cmd_check_bank_admin_transfer ("check-short-lived-reserve", "EUR:5.01", bc.user42_payto, bc.exchange_payto, "short-lived-reserve"), TALER_TESTING_cmd_exec_wirewatch ("short-lived-aggregation", config_file_expire_reserve_now), TALER_TESTING_cmd_exec_closer ("close-reserves", config_file_expire_reserve_now, "EUR:5", "EUR:0.01", "short-lived-reserve"), TALER_TESTING_cmd_exec_transfer ("close-reserves-transfer", config_file_expire_reserve_now), TALER_TESTING_cmd_status ("short-lived-status", "short-lived-reserve", "EUR:0", MHD_HTTP_OK), TALER_TESTING_cmd_withdraw_amount ("expired-withdraw", "short-lived-reserve", "EUR:1", 0, /* age restriction off */ MHD_HTTP_CONFLICT), TALER_TESTING_cmd_check_bank_transfer ("check_bank_short-lived_reimburse", ec.exchange_url, "EUR:5", bc.exchange_payto, bc.user42_payto), /* Fill reserve with EUR:2.02, as withdraw fee is 1 ct per * config, then withdraw two coin, partially spend one, and * then have the rest paid back. Check deposit of other coin * fails. Do not use EUR:5 here as the EUR:5 coin was * revoked and we did not bother to create a new one... */// CMD_TRANSFER_TO_EXCHANGE ("recoup-create-reserve-2", "EUR:2.02"), TALER_TESTING_cmd_check_bank_admin_transfer ("ck-recoup-create-reserve-2", "EUR:2.02", bc.user42_payto, bc.exchange_payto, "recoup-create-reserve-2"), /* Make previous command effective. */ CMD_EXEC_WIREWATCH ("wirewatch-5"), /* Withdraw a 1 EUR coin, at fee of 1 ct */ TALER_TESTING_cmd_withdraw_amount ("recoup-withdraw-coin-2a", "recoup-create-reserve-2", "EUR:1", 0, /* age restriction off */ MHD_HTTP_OK), /* Withdraw a 1 EUR coin, at fee of 1 ct */ TALER_TESTING_cmd_withdraw_amount ("recoup-withdraw-coin-2b", "recoup-create-reserve-2", "EUR:1", 0, /* age restriction off */ MHD_HTTP_OK), TALER_TESTING_cmd_deposit ("recoup-deposit-partial", "recoup-withdraw-coin-2a", 0, bc.user42_payto, "{\"items\":[{\"name\":\"more ice cream\",\"value\":1}]}", GNUNET_TIME_UNIT_ZERO, "EUR:0.5", MHD_HTTP_OK), TALER_TESTING_cmd_revoke ("revoke-1-EUR:1", MHD_HTTP_OK, "recoup-withdraw-coin-2a", config_file), /* Check recoup is failing for the coin with the reused coin key (fails either because of denomination conflict (RSA) or double-spending (CS))*/ TALER_TESTING_cmd_recoup ("recoup-2x", MHD_HTTP_CONFLICT, "withdraw-coin-1x", "EUR:1"), TALER_TESTING_cmd_recoup ("recoup-2", MHD_HTTP_OK, "recoup-withdraw-coin-2a", "EUR:0.5"), /* Idempotency of recoup (withdrawal variant) */ TALER_TESTING_cmd_recoup ("recoup-2b", MHD_HTTP_OK, "recoup-withdraw-coin-2a", "EUR:0.5"), TALER_TESTING_cmd_deposit ("recoup-deposit-revoked", "recoup-withdraw-coin-2b", 0, bc.user42_payto, "{\"items\":[{\"name\":\"more ice cream\",\"value\":1}]}", GNUNET_TIME_UNIT_ZERO, "EUR:1", MHD_HTTP_GONE), /* Test deposit fails after recoup, with proof in recoup */ /* Note that, the exchange will never return the coin's transaction * history with recoup data, as we get a 410 on the DK! */ TALER_TESTING_cmd_deposit ("recoup-deposit-partial-after-recoup", "recoup-withdraw-coin-2a", 0, bc.user42_payto, "{\"items\":[{\"name\":\"extra ice cream\",\"value\":1}]}", GNUNET_TIME_UNIT_ZERO, "EUR:0.5", MHD_HTTP_GONE), /* Test that revoked coins cannot be withdrawn */ CMD_TRANSFER_TO_EXCHANGE ("recoup-create-reserve-3", "EUR:1.01"), TALER_TESTING_cmd_check_bank_admin_transfer ( "check-recoup-create-reserve-3", "EUR:1.01", bc.user42_payto, bc.exchange_payto, "recoup-create-reserve-3"), CMD_EXEC_WIREWATCH ("wirewatch-6"), TALER_TESTING_cmd_withdraw_amount ("recoup-withdraw-coin-3-revoked", "recoup-create-reserve-3", "EUR:1", 0, /* age restriction off */ MHD_HTTP_GONE), /* check that we are empty before the rejection test */ TALER_TESTING_cmd_check_bank_empty ("check-empty-again"), TALER_TESTING_cmd_end () }; #define RESERVE_OPEN_CLOSE_CHUNK 4 #define RESERVE_OPEN_CLOSE_ITERATIONS 3 struct TALER_TESTING_Command reserve_open_close[(RESERVE_OPEN_CLOSE_ITERATIONS * RESERVE_OPEN_CLOSE_CHUNK) + 1]; (void) cls; for (unsigned int i = 0; i < RESERVE_OPEN_CLOSE_ITERATIONS; i++) { reserve_open_close[(i * RESERVE_OPEN_CLOSE_CHUNK) + 0] = CMD_TRANSFER_TO_EXCHANGE ("reserve-open-close-key", "EUR:20"); reserve_open_close[(i * RESERVE_OPEN_CLOSE_CHUNK) + 1] = TALER_TESTING_cmd_exec_wirewatch ("reserve-open-close-wirewatch", config_file_expire_reserve_now); reserve_open_close[(i * RESERVE_OPEN_CLOSE_CHUNK) + 2] = TALER_TESTING_cmd_exec_closer ("reserve-open-close-aggregation", config_file_expire_reserve_now, "EUR:19.99", "EUR:0.01", "reserve-open-close-key"); reserve_open_close[(i * RESERVE_OPEN_CLOSE_CHUNK) + 3] = TALER_TESTING_cmd_status ("reserve-open-close-status", "reserve-open-close-key", "EUR:0", MHD_HTTP_OK); } reserve_open_close[RESERVE_OPEN_CLOSE_ITERATIONS * RESERVE_OPEN_CLOSE_CHUNK] = TALER_TESTING_cmd_end (); { struct TALER_TESTING_Command commands[] = { /* setup exchange */ TALER_TESTING_cmd_auditor_add ("add-auditor-OK", MHD_HTTP_NO_CONTENT, false), TALER_TESTING_cmd_exec_offline_sign_extensions ("offline-sign-extensions", config_file), TALER_TESTING_cmd_wire_add ("add-wire-account", "payto://x-taler-bank/localhost/2", MHD_HTTP_NO_CONTENT, false), TALER_TESTING_cmd_exec_offline_sign_keys ("offline-sign-future-keys", config_file), TALER_TESTING_cmd_exec_offline_sign_fees ("offline-sign-fees", config_file, "EUR:0.01", "EUR:0.01", "EUR:0.01"), TALER_TESTING_cmd_check_keys_pull_all_keys ("refetch /keys", 1), TALER_TESTING_cmd_batch ("wire", wire), TALER_TESTING_cmd_batch ("withdraw", withdraw), TALER_TESTING_cmd_batch ("spend", spend), TALER_TESTING_cmd_batch ("refresh", refresh), TALER_TESTING_cmd_batch ("withdraw-age", withdraw_age), TALER_TESTING_cmd_batch ("spend-age", spend_age), TALER_TESTING_cmd_batch ("refresh-age", refresh_age), TALER_TESTING_cmd_batch ("track", track), TALER_TESTING_cmd_batch ("unaggregation", unaggregation), TALER_TESTING_cmd_batch ("aggregation", aggregation), TALER_TESTING_cmd_batch ("refund", refund), TALER_TESTING_cmd_batch ("recoup", recoup), TALER_TESTING_cmd_batch ("reserve-open-close", reserve_open_close), /* End the suite. */ TALER_TESTING_cmd_end () }; TALER_TESTING_run_with_fakebank (is, commands, bc.exchange_auth.wire_gateway_url); } } int main (int argc, char *const *argv) { char *cipher; (void) argc; /* These environment variables get in the way... */ unsetenv ("XDG_DATA_HOME"); unsetenv ("XDG_CONFIG_HOME"); GNUNET_log_setup (argv[0], "INFO", NULL); TALER_extensions_init (); cipher = GNUNET_TESTING_get_testname_from_underscore (argv[0]); GNUNET_assert (NULL != cipher); uses_cs = (0 == strcmp (cipher, "cs")); GNUNET_asprintf (&config_file, "test_exchange_api-%s.conf", cipher); GNUNET_asprintf (&config_file_expire_reserve_now, "test_exchange_api_expire_reserve_now-%s.conf", cipher); GNUNET_free (cipher); /* Check fakebank port is available and get config */ if (GNUNET_OK != TALER_TESTING_prepare_fakebank (config_file, "exchange-account-2", &bc)) 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, GNUNET_YES, &ec)) { case GNUNET_SYSERR: GNUNET_break (0); return 1; case GNUNET_NO: return 78; 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 2; break; default: GNUNET_break (0); return 3; } return 0; } /* end of test_exchange_api.c */