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-rw-r--r--src/lib/test_taler_exchange_aggregator.c1339
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diff --git a/src/lib/test_taler_exchange_aggregator.c b/src/lib/test_taler_exchange_aggregator.c
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+/*
+ This file is part of TALER
+ (C) 2016-2020 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 <http://www.gnu.org/licenses/>
+*/
+
+/**
+ * @file exchange/test_taler_exchange_aggregator.c
+ * @brief Tests for taler-exchange-aggregator logic
+ * @author Christian Grothoff <christian@grothoff.org>
+ */
+#include "platform.h"
+#include "taler_util.h"
+#include <gnunet/gnunet_json_lib.h>
+#include "taler_json_lib.h"
+#include "taler_exchangedb_plugin.h"
+#include <microhttpd.h>
+#include "taler_fakebank_lib.h"
+
+
+/**
+ * Commands for the interpreter.
+ */
+enum OpCode
+{
+
+ /**
+ * Terminate testcase with 'skipped' result.
+ */
+ OPCODE_TERMINATE_SKIP,
+
+ /**
+ * Run taler-exchange-aggregator.
+ */
+ OPCODE_RUN_AGGREGATOR,
+
+ /**
+ * Expect that we have exhaustively gone over all transactions.
+ */
+ OPCODE_EXPECT_TRANSACTIONS_EMPTY,
+
+ /**
+ * Execute deposit operation against database.
+ */
+ OPCODE_DATABASE_DEPOSIT,
+
+ /**
+ * Wait a certain amount of time.
+ */
+ OPCODE_WAIT,
+
+ /**
+ * Expect that we have received the specified transaction.
+ */
+ OPCODE_EXPECT_TRANSACTION,
+
+ /**
+ * Finish testcase with success.
+ */
+ OPCODE_TERMINATE_SUCCESS
+};
+
+/**
+ * Command state for the interpreter.
+ */
+struct Command
+{
+
+ /**
+ * What instruction should we run?
+ */
+ enum OpCode opcode;
+
+ /**
+ * Human-readable label for the command.
+ */
+ const char *label;
+
+ union
+ {
+
+ /**
+ * If @e opcode is #OPCODE_EXPECT_TRANSACTION, this
+ * specifies which transaction we expected. Note that
+ * the WTID will be set, not checked!
+ */
+ struct
+ {
+
+ /**
+ * Amount to be transferred.
+ */
+ const char *amount;
+
+ /**
+ * Account to debit.
+ */
+ uint64_t debit_account;
+
+ /**
+ * Account to credit.
+ */
+ uint64_t credit_account;
+
+ /**
+ * Base URL of the exchange.
+ */
+ const char *exchange_base_url;
+
+ /**
+ * Subject of the transfer, set by the command.
+ */
+ struct TALER_WireTransferIdentifierRawP wtid;
+
+ } expect_transaction;
+
+ /**
+ * If @e opcode is #OPCODE_DATABASE_DEPOST, this
+ * specifies which deposit operation we should fake.
+ */
+ struct
+ {
+
+ /**
+ * Each merchant name is automatically mapped to a unique
+ * merchant public key.
+ */
+ const char *merchant_name;
+
+ /**
+ * Merchant account number, is mapped to wire details.
+ */
+ uint64_t merchant_account;
+
+ /**
+ * By when does the merchant request the funds to be wired.
+ */
+ struct GNUNET_TIME_Relative wire_deadline;
+
+ /**
+ * What is the total amount (including exchange fees).
+ */
+ const char *amount_with_fee;
+
+ /**
+ * How high are the exchange fees? Must be smaller than @e amount_with_fee.
+ */
+ const char *deposit_fee;
+
+ } deposit;
+
+ /**
+ * How long should we wait if the opcode is #OPCODE_WAIT.
+ */
+ struct GNUNET_TIME_Relative wait_delay;
+
+ } details;
+
+};
+
+
+/**
+ * State of the interpreter.
+ */
+struct State
+{
+ /**
+ * Array of commands to run.
+ */
+ struct Command*commands;
+
+ /**
+ * Offset of the next command to be run.
+ */
+ unsigned int ioff;
+};
+
+
+/**
+ * Pipe used to communicate child death via signal.
+ */
+static struct GNUNET_DISK_PipeHandle *sigpipe;
+
+/**
+ * ID of task called whenever we get a SIGCHILD.
+ */
+static struct GNUNET_SCHEDULER_Task *child_death_task;
+
+/**
+ * ID of task called whenever we time out.
+ */
+static struct GNUNET_SCHEDULER_Task *timeout_task;
+
+/**
+ * Return value from main().
+ */
+static int result;
+
+/**
+ * Name of the configuration file to use.
+ */
+static char *config_filename;
+
+/**
+ * Database plugin.
+ */
+static struct TALER_EXCHANGEDB_Plugin *plugin;
+
+/**
+ * Our session with the database.
+ */
+static struct TALER_EXCHANGEDB_Session *session;
+
+/**
+ * The handle for the aggregator process that we are testing.
+ */
+static struct GNUNET_OS_Process *aggregator_proc;
+
+/**
+ * State of our interpreter while we are running the aggregator
+ * process.
+ */
+static struct State *aggregator_state;
+
+/**
+ * Task running the interpreter().
+ */
+static struct GNUNET_SCHEDULER_Task *int_task;
+
+/**
+ * Private key we use for fake coins.
+ */
+static struct GNUNET_CRYPTO_RsaPrivateKey *coin_pk;
+
+/**
+ * Public key we use for fake coins.
+ */
+static struct GNUNET_CRYPTO_RsaPublicKey *coin_pub;
+
+/**
+ * Handle for our fake bank.
+ */
+static struct TALER_FAKEBANK_Handle *fb;
+
+
+/**
+ * Interprets the commands from the test program.
+ *
+ * @param cls the `struct State` of the interpreter
+ */
+static void
+interpreter (void *cls);
+
+
+/**
+ * Task triggered whenever we are to shutdown.
+ *
+ * @param cls closure, NULL if we need to self-restart
+ */
+static void
+timeout_action (void *cls)
+{
+ timeout_task = NULL;
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Test failed: timeout\n");
+ result = 2;
+ GNUNET_SCHEDULER_shutdown ();
+}
+
+
+/**
+ * Task triggered whenever we are to shutdown.
+ *
+ * @param cls closure, NULL if we need to self-restart
+ */
+static void
+shutdown_action (void *cls)
+{
+ if (NULL != timeout_task)
+ {
+ GNUNET_SCHEDULER_cancel (timeout_task);
+ timeout_task = NULL;
+ }
+ if (NULL != int_task)
+ {
+ GNUNET_SCHEDULER_cancel (int_task);
+ int_task = NULL;
+ }
+ if (NULL != fb)
+ {
+ TALER_FAKEBANK_stop (fb);
+ fb = NULL;
+ }
+ if (NULL != child_death_task)
+ {
+ GNUNET_SCHEDULER_cancel (child_death_task);
+ child_death_task = NULL;
+ }
+ if (NULL != aggregator_proc)
+ {
+ GNUNET_break (0 == GNUNET_OS_process_kill (aggregator_proc,
+ SIGKILL));
+ GNUNET_OS_process_wait (aggregator_proc);
+ GNUNET_OS_process_destroy (aggregator_proc);
+ aggregator_proc = NULL;
+ }
+ plugin->drop_tables (plugin->cls);
+ TALER_EXCHANGEDB_plugin_unload (plugin);
+ plugin = NULL;
+}
+
+
+/**
+ * Task triggered whenever we receive a SIGCHLD (child
+ * process died).
+ *
+ * @param cls closure, NULL if we need to self-restart
+ */
+static void
+maint_child_death (void *cls)
+{
+ const struct GNUNET_DISK_FileHandle *pr;
+ char c[16];
+ struct State *state;
+
+ child_death_task = NULL;
+ pr = GNUNET_DISK_pipe_handle (sigpipe, GNUNET_DISK_PIPE_END_READ);
+ GNUNET_break (0 < GNUNET_DISK_file_read (pr, &c, sizeof (c)));
+ GNUNET_OS_process_wait (aggregator_proc);
+ GNUNET_OS_process_destroy (aggregator_proc);
+ aggregator_proc = NULL;
+ aggregator_state->ioff++;
+ state = aggregator_state;
+ aggregator_state = NULL;
+ child_death_task = GNUNET_SCHEDULER_add_read_file (
+ GNUNET_TIME_UNIT_FOREVER_REL,
+ pr,
+ &maint_child_death, NULL);
+
+ interpreter (state);
+}
+
+
+/**
+ * Setup (fake) information about a coin used in deposit.
+ *
+ * @param[out] issue information to initialize with "valid" data
+ */
+static void
+fake_issue (struct TALER_EXCHANGEDB_DenominationKeyInformationP *issue)
+{
+ memset (issue, 0, sizeof (struct
+ TALER_EXCHANGEDB_DenominationKeyInformationP));
+ GNUNET_assert (GNUNET_OK ==
+ TALER_string_to_amount_nbo ("EUR:1",
+ &issue->properties.value));
+ GNUNET_assert (GNUNET_OK ==
+ TALER_string_to_amount_nbo ("EUR:0.1",
+ &issue->properties.fee_withdraw));
+ GNUNET_assert (GNUNET_OK ==
+ TALER_string_to_amount_nbo ("EUR:0.1",
+ &issue->properties.fee_deposit));
+ GNUNET_assert (GNUNET_OK ==
+ TALER_string_to_amount_nbo ("EUR:0.1",
+ &issue->properties.fee_refresh));
+ GNUNET_assert (GNUNET_OK ==
+ TALER_string_to_amount_nbo ("EUR:0.1",
+ &issue->properties.fee_refund));
+}
+
+
+/**
+ * Setup (fake) information about a coin used in deposit.
+ *
+ * @param[out] coin information to initialize with "valid" data
+ */
+static void
+fake_coin (struct TALER_CoinPublicInfo *coin)
+{
+ struct GNUNET_HashCode hc;
+
+ GNUNET_CRYPTO_rsa_public_key_hash (coin_pub,
+ &coin->denom_pub_hash);
+ GNUNET_CRYPTO_hash_create_random (GNUNET_CRYPTO_QUALITY_WEAK,
+ &hc);
+ coin->denom_sig.rsa_signature = GNUNET_CRYPTO_rsa_sign_fdh (coin_pk,
+ &hc);
+}
+
+
+/**
+ * Helper function to fake a deposit operation.
+ *
+ * @return #GNUNET_OK on success
+ */
+static int
+do_deposit (struct Command *cmd)
+{
+ struct TALER_EXCHANGEDB_Deposit deposit;
+ struct TALER_MerchantPrivateKeyP merchant_priv;
+ int ret;
+
+ memset (&deposit,
+ 0,
+ sizeof (deposit));
+ /* we derive the merchant's private key from the
+ name, to ensure that the same name always
+ results in the same key pair. */
+ GNUNET_CRYPTO_kdf (&merchant_priv,
+ sizeof (struct TALER_MerchantPrivateKeyP),
+ "merchant-priv",
+ strlen ("merchant-priv"),
+ cmd->details.deposit.merchant_name,
+ strlen (cmd->details.deposit.merchant_name),
+ NULL, 0);
+ GNUNET_CRYPTO_eddsa_key_get_public (&merchant_priv.eddsa_priv,
+ &deposit.merchant_pub.eddsa_pub);
+ /* contract is just picked at random;
+ note: we may want to write this back to 'cmd' in the future. */
+ GNUNET_CRYPTO_hash_create_random (GNUNET_CRYPTO_QUALITY_WEAK,
+ &deposit.h_contract_terms);
+ if ( (GNUNET_OK !=
+ TALER_string_to_amount (cmd->details.deposit.amount_with_fee,
+ &deposit.amount_with_fee)) ||
+ (GNUNET_OK !=
+ TALER_string_to_amount (cmd->details.deposit.deposit_fee,
+ &deposit.deposit_fee)) )
+ {
+ GNUNET_break (0);
+ return GNUNET_SYSERR;
+ }
+ fake_coin (&deposit.coin);
+ /* Build JSON for wire details */
+ {
+ char *str;
+
+ GNUNET_asprintf (&str,
+ "payto://x-taler-bank/localhost:8082/%llu",
+ (unsigned long
+ long) cmd->details.deposit.merchant_account);
+ deposit.receiver_wire_account
+ = json_pack ("{s:s, s:s}",
+ "salt", "this-is-a-salt-value",
+ "url", str);
+ GNUNET_free (str);
+ }
+ GNUNET_assert (GNUNET_OK ==
+ TALER_JSON_merchant_wire_signature_hash (
+ deposit.receiver_wire_account,
+ &deposit.h_wire));
+ deposit.timestamp = GNUNET_TIME_absolute_get ();
+ GNUNET_TIME_round_abs (&deposit.timestamp);
+ deposit.wire_deadline = GNUNET_TIME_relative_to_absolute (
+ cmd->details.deposit.wire_deadline);
+ GNUNET_TIME_round_abs (&deposit.wire_deadline);
+
+ /* finally, actually perform the DB operation */
+ if ( (GNUNET_OK !=
+ plugin->start (plugin->cls,
+ session,
+ "aggregator-test-1")) ||
+ (0 >
+ plugin->ensure_coin_known (plugin->cls,
+ session,
+ &deposit.coin)) ||
+ (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
+ plugin->insert_deposit (plugin->cls,
+ session,
+ &deposit)) ||
+ (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS !=
+ plugin->commit (plugin->cls,
+ session)) )
+ {
+ GNUNET_break (0);
+ ret = GNUNET_SYSERR;
+ }
+ else
+ ret = GNUNET_OK;
+ GNUNET_CRYPTO_rsa_signature_free (deposit.coin.denom_sig.rsa_signature);
+ json_decref (deposit.receiver_wire_account);
+ return ret;
+}
+
+
+/**
+ * Fail the testcase at the current command.
+ */
+static void
+fail (struct Command *cmd)
+{
+ fprintf (stderr,
+ "Testcase failed at command `%s'\n",
+ cmd->label);
+ result = 2;
+ GNUNET_SCHEDULER_shutdown ();
+}
+
+
+/**
+ * Interprets the commands from the test program.
+ *
+ * @param cls the `struct State` of the interpreter
+ */
+static void
+interpreter (void *cls)
+{
+ struct State *state = cls;
+
+ int_task = NULL;
+ while (1)
+ {
+ struct Command *cmd = &state->commands[state->ioff];
+
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Running command %u (%s)\n",
+ state->ioff,
+ cmd->label);
+ switch (cmd->opcode)
+ {
+ case OPCODE_TERMINATE_SKIP:
+ /* return skip: test not finished, but did not fail either */
+ result = 77;
+ GNUNET_SCHEDULER_shutdown ();
+ return;
+ case OPCODE_WAIT:
+ state->ioff++;
+ int_task = GNUNET_SCHEDULER_add_delayed (cmd->details.wait_delay,
+ &interpreter,
+ state);
+ return;
+ case OPCODE_RUN_AGGREGATOR:
+ GNUNET_assert (NULL == aggregator_state);
+ aggregator_state = state;
+ aggregator_proc
+ = GNUNET_OS_start_process (GNUNET_NO,
+ GNUNET_OS_INHERIT_STD_ALL,
+ NULL, NULL, NULL,
+ "taler-exchange-aggregator",
+ "taler-exchange-aggregator",
+ "-c", config_filename,
+ "-t", /* enable temporary tables */
+ NULL);
+ if (NULL == aggregator_proc)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Failed to start taler-exchange-aggregator. Check $PATH.\n");
+ GNUNET_break (0);
+ aggregator_state = NULL;
+ fail (cmd);
+ return;
+ }
+ return;
+ case OPCODE_EXPECT_TRANSACTIONS_EMPTY:
+ if (GNUNET_OK != TALER_FAKEBANK_check_empty (fb))
+ {
+ fail (cmd);
+ return;
+ }
+ state->ioff++;
+ break;
+ case OPCODE_DATABASE_DEPOSIT:
+ if (GNUNET_OK !=
+ do_deposit (cmd))
+ {
+ fail (cmd);
+ return;
+ }
+ state->ioff++;
+ break;
+ case OPCODE_EXPECT_TRANSACTION:
+ {
+ struct TALER_Amount want_amount;
+
+ if (GNUNET_OK !=
+ TALER_string_to_amount (cmd->details.expect_transaction.amount,
+ &want_amount))
+ {
+ GNUNET_break (0);
+ fail (cmd);
+ return;
+ }
+ if (GNUNET_OK !=
+ TALER_FAKEBANK_check_debit (fb,
+ &want_amount,
+ cmd->details.expect_transaction.
+ debit_account,
+ cmd->details.expect_transaction.
+ credit_account,
+ cmd->details.expect_transaction.
+ exchange_base_url,
+ &cmd->details.expect_transaction.wtid))
+ {
+ fail (cmd);
+ return;
+ }
+ state->ioff++;
+ break;
+ }
+ case OPCODE_TERMINATE_SUCCESS:
+ result = 0;
+ GNUNET_SCHEDULER_shutdown ();
+ return;
+ }
+ }
+}
+
+
+/**
+ * Contains the test program. Here each step of the testcase
+ * is defined.
+ */
+static void
+run_test ()
+{
+ static struct Command commands[] = {
+ /* test running with empty DB */
+ {
+ .opcode = OPCODE_RUN_AGGREGATOR,
+ .label = "run-aggregator-on-empty-db"
+ },
+ {
+ .opcode = OPCODE_EXPECT_TRANSACTIONS_EMPTY,
+ .label = "expect-empty-transactions-on-start"
+ },
+
+ /* test simple deposit */
+ {
+ .opcode = OPCODE_DATABASE_DEPOSIT,
+ .label = "do-deposit-1",
+ .details.deposit.merchant_name = "bob",
+ .details.deposit.merchant_account = 4,
+ .details.deposit.wire_deadline = { 1000LL * 1000 * 0 }, /* 0s */
+ .details.deposit.amount_with_fee = "EUR:1",
+ .details.deposit.deposit_fee = "EUR:0.1"
+ },
+ {
+ .opcode = OPCODE_RUN_AGGREGATOR,
+ .label = "run-aggregator-deposit-1"
+ },
+
+ {
+ .opcode = OPCODE_EXPECT_TRANSACTION,
+ .label = "expect-deposit-1",
+ .details.expect_transaction.debit_account = 3,
+ .details.expect_transaction.credit_account = 4,
+ .details.expect_transaction.exchange_base_url =
+ "https://exchange.taler.net/",
+ .details.expect_transaction.amount = "EUR:0.89"
+ },
+
+ {
+ .opcode = OPCODE_EXPECT_TRANSACTIONS_EMPTY,
+ .label = "expect-empty-transactions-on-start"
+ },
+
+ /* test idempotency: run again on transactions already done */
+ {
+ .opcode = OPCODE_RUN_AGGREGATOR,
+ .label = "run-aggregator-deposit-1"
+ },
+ {
+ .opcode = OPCODE_EXPECT_TRANSACTIONS_EMPTY,
+ .label = "expect-empty-transactions-after-1"
+ },
+
+ /* test combining deposits */
+ {
+ .opcode = OPCODE_DATABASE_DEPOSIT,
+ .label = "do-deposit-2a",
+ .details.deposit.merchant_name = "bob",
+ .details.deposit.merchant_account = 4,
+ .details.deposit.wire_deadline = { 1000LL * 1000 * 0 }, /* 0s */
+ .details.deposit.amount_with_fee = "EUR:1",
+ .details.deposit.deposit_fee = "EUR:0.1"
+ },
+ {
+ .opcode = OPCODE_DATABASE_DEPOSIT,
+ .label = "do-deposit-2b",
+ .details.deposit.merchant_name = "bob",
+ .details.deposit.merchant_account = 4,
+ .details.deposit.wire_deadline = { 1000LL * 1000 * 0 }, /* 0s */
+ .details.deposit.amount_with_fee = "EUR:1",
+ .details.deposit.deposit_fee = "EUR:0.1"
+ },
+ {
+ .opcode = OPCODE_RUN_AGGREGATOR,
+ .label = "run-aggregator-deposit-2"
+ },
+ {
+ .opcode = OPCODE_EXPECT_TRANSACTION,
+ .label = "expect-deposit-2",
+ .details.expect_transaction.debit_account = 3,
+ .details.expect_transaction.credit_account = 4,
+ .details.expect_transaction.exchange_base_url =
+ "https://exchange.taler.net/",
+ .details.expect_transaction.amount = "EUR:1.79"
+ },
+
+ {
+ .opcode = OPCODE_EXPECT_TRANSACTIONS_EMPTY,
+ .label = "expect-empty-transactions-after-2"
+ },
+
+ /* test NOT combining deposits of different accounts or keys */
+ {
+ .opcode = OPCODE_DATABASE_DEPOSIT,
+ .label = "do-deposit-3a",
+ .details.deposit.merchant_name = "bob",
+ .details.deposit.merchant_account = 4,
+ .details.deposit.wire_deadline = { 1000LL * 1000 * 0 }, /* 0s */
+ .details.deposit.amount_with_fee = "EUR:1",
+ .details.deposit.deposit_fee = "EUR:0.1"
+ },
+ {
+ .opcode = OPCODE_DATABASE_DEPOSIT,
+ .label = "do-deposit-3b",
+ .details.deposit.merchant_name = "bob",
+ .details.deposit.merchant_account = 5,
+ .details.deposit.wire_deadline = { 1000LL * 1000 * 0 }, /* 0s */
+ .details.deposit.amount_with_fee = "EUR:1",
+ .details.deposit.deposit_fee = "EUR:0.1"
+ },
+ {
+ .opcode = OPCODE_DATABASE_DEPOSIT,
+ .label = "do-deposit-3c",
+ .details.deposit.merchant_name = "alice",
+ .details.deposit.merchant_account = 4,
+ .details.deposit.wire_deadline = { 1000LL * 1000 * 0 }, /* 0s */
+ .details.deposit.amount_with_fee = "EUR:1",
+ .details.deposit.deposit_fee = "EUR:0.1"
+ },
+ {
+ .opcode = OPCODE_RUN_AGGREGATOR,
+ .label = "run-aggregator-deposit-3"
+ },
+ {
+ .opcode = OPCODE_EXPECT_TRANSACTION,
+ .label = "expect-deposit-3a",
+ .details.expect_transaction.debit_account = 3,
+ .details.expect_transaction.credit_account = 4,
+ .details.expect_transaction.exchange_base_url =
+ "https://exchange.taler.net/",
+ .details.expect_transaction.amount = "EUR:0.89"
+ },
+ {
+ .opcode = OPCODE_EXPECT_TRANSACTION,
+ .label = "expect-deposit-3b",
+ .details.expect_transaction.debit_account = 3,
+ .details.expect_transaction.credit_account = 4,
+ .details.expect_transaction.exchange_base_url =
+ "https://exchange.taler.net/",
+ .details.expect_transaction.amount = "EUR:0.89"
+ },
+ {
+ .opcode = OPCODE_EXPECT_TRANSACTION,
+ .label = "expect-deposit-3c",
+ .details.expect_transaction.debit_account = 3,
+ .details.expect_transaction.credit_account = 5,
+ .details.expect_transaction.exchange_base_url =
+ "https://exchange.taler.net/",
+ .details.expect_transaction.amount = "EUR:0.89"
+ },
+ {
+ .opcode = OPCODE_EXPECT_TRANSACTIONS_EMPTY,
+ .label = "expect-empty-transactions-after-3"
+ },
+
+ /* test NOT running deposits instantly, but after delay */
+ {
+ .opcode = OPCODE_DATABASE_DEPOSIT,
+ .label = "do-deposit-4a",
+ .details.deposit.merchant_name = "bob",
+ .details.deposit.merchant_account = 4,
+ .details.deposit.wire_deadline = { 1000LL * 1000 * 5 }, /* 5s */
+ .details.deposit.amount_with_fee = "EUR:0.2",
+ .details.deposit.deposit_fee = "EUR:0.1"
+ },
+ {
+ .opcode = OPCODE_DATABASE_DEPOSIT,
+ .label = "do-deposit-4b",
+ .details.deposit.merchant_name = "bob",
+ .details.deposit.merchant_account = 4,
+ .details.deposit.wire_deadline = { 1000LL * 1000 * 5 }, /* 5s */
+ .details.deposit.amount_with_fee = "EUR:0.2",
+ .details.deposit.deposit_fee = "EUR:0.1"
+ },
+ {
+ .opcode = OPCODE_RUN_AGGREGATOR,
+ .label = "run-aggregator-deposit-4-early"
+ },
+ {
+ .opcode = OPCODE_EXPECT_TRANSACTIONS_EMPTY,
+ .label = "expect-empty-transactions-after-4-fast"
+ },
+ {
+ .opcode = OPCODE_WAIT,
+ .label = "wait (5s)",
+ .details.wait_delay = { 1000LL * 1000 * 6 } /* 6s */
+ },
+ {
+ .opcode = OPCODE_RUN_AGGREGATOR,
+ .label = "run-aggregator-deposit-4-delayed"
+ },
+ {
+ .opcode = OPCODE_EXPECT_TRANSACTION,
+ .label = "expect-deposit-4",
+ .details.expect_transaction.debit_account = 3,
+ .details.expect_transaction.credit_account = 4,
+ .details.expect_transaction.exchange_base_url =
+ "https://exchange.taler.net/",
+ .details.expect_transaction.amount = "EUR:0.19"
+ },
+
+ /* test picking all deposits at earliest deadline */
+ {
+ .opcode = OPCODE_DATABASE_DEPOSIT,
+ .label = "do-deposit-5a",
+ .details.deposit.merchant_name = "bob",
+ .details.deposit.merchant_account = 4,
+ .details.deposit.wire_deadline = { 1000LL * 1000 * 10 }, /* 10s */
+ .details.deposit.amount_with_fee = "EUR:0.2",
+ .details.deposit.deposit_fee = "EUR:0.1"
+ },
+ {
+ .opcode = OPCODE_DATABASE_DEPOSIT,
+ .label = "do-deposit-5b",
+ .details.deposit.merchant_name = "bob",
+ .details.deposit.merchant_account = 4,
+ .details.deposit.wire_deadline = { 1000LL * 1000 * 5 }, /* 5s */
+ .details.deposit.amount_with_fee = "EUR:0.2",
+ .details.deposit.deposit_fee = "EUR:0.1"
+ },
+ {
+ .opcode = OPCODE_RUN_AGGREGATOR,
+ .label = "run-aggregator-deposit-5-early"
+ },
+ {
+ .opcode = OPCODE_EXPECT_TRANSACTIONS_EMPTY,
+ .label = "expect-empty-transactions-after-5-early"
+ },
+ {
+ .opcode = OPCODE_WAIT,
+ .label = "wait (5s)",
+ .details.wait_delay = { 1000LL * 1000 * 6 } /* 6s */
+ },
+ {
+ .opcode = OPCODE_RUN_AGGREGATOR,
+ .label = "run-aggregator-deposit-5-delayed"
+ },
+ {
+ .opcode = OPCODE_EXPECT_TRANSACTION,
+ .label = "expect-deposit-5",
+ .details.expect_transaction.debit_account = 3,
+ .details.expect_transaction.credit_account = 4,
+ .details.expect_transaction.exchange_base_url =
+ "https://exchange.taler.net/",
+ .details.expect_transaction.amount = "EUR:0.19"
+ },
+
+ /* Test NEVER running 'tiny' unless they make up minimum unit */
+ {
+ .opcode = OPCODE_DATABASE_DEPOSIT,
+ .label = "do-deposit-6a",
+ .details.deposit.merchant_name = "bob",
+ .details.deposit.merchant_account = 4,
+ .details.deposit.wire_deadline = { 1000LL * 1000 * 0 }, /* 0s */
+ .details.deposit.amount_with_fee = "EUR:0.102",
+ .details.deposit.deposit_fee = "EUR:0.1"
+ },
+ {
+ .opcode = OPCODE_RUN_AGGREGATOR,
+ .label = "run-aggregator-deposit-6a-tiny"
+ },
+ {
+ .opcode = OPCODE_EXPECT_TRANSACTIONS_EMPTY,
+ .label = "expect-empty-transactions-after-6a-tiny"
+ },
+ {
+ .opcode = OPCODE_DATABASE_DEPOSIT,
+ .label = "do-deposit-6b",
+ .details.deposit.merchant_name = "bob",
+ .details.deposit.merchant_account = 4,
+ .details.deposit.wire_deadline = { 1000LL * 1000 * 0 }, /* 0s */
+ .details.deposit.amount_with_fee = "EUR:0.102",
+ .details.deposit.deposit_fee = "EUR:0.1"
+ },
+ {
+ .opcode = OPCODE_DATABASE_DEPOSIT,
+ .label = "do-deposit-6c",
+ .details.deposit.merchant_name = "bob",
+ .details.deposit.merchant_account = 4,
+ .details.deposit.wire_deadline = { 1000LL * 1000 * 0 }, /* 0s */
+ .details.deposit.amount_with_fee = "EUR:0.102",
+ .details.deposit.deposit_fee = "EUR:0.1"
+ },
+ {
+ .opcode = OPCODE_RUN_AGGREGATOR,
+ .label = "run-aggregator-deposit-6c-tiny"
+ },
+ {
+ .opcode = OPCODE_EXPECT_TRANSACTIONS_EMPTY,
+ .label = "expect-empty-transactions-after-6c-tiny"
+ },
+ {
+ .opcode = OPCODE_DATABASE_DEPOSIT,
+ .label = "do-deposit-6d",
+ .details.deposit.merchant_name = "bob",
+ .details.deposit.merchant_account = 4,
+ .details.deposit.wire_deadline = { 1000LL * 1000 * 0 }, /* 0s */
+ .details.deposit.amount_with_fee = "EUR:0.102",
+ .details.deposit.deposit_fee = "EUR:0.1"
+ },
+ {
+ .opcode = OPCODE_RUN_AGGREGATOR,
+ .label = "run-aggregator-deposit-6d-tiny"
+ },
+ {
+ .opcode = OPCODE_EXPECT_TRANSACTIONS_EMPTY,
+ .label = "expect-empty-transactions-after-6d-tiny"
+ },
+ {
+ .opcode = OPCODE_DATABASE_DEPOSIT,
+ .label = "do-deposit-6e",
+ .details.deposit.merchant_name = "bob",
+ .details.deposit.merchant_account = 4,
+ .details.deposit.wire_deadline = { 1000LL * 1000 * 0 }, /* 0s */
+ .details.deposit.amount_with_fee = "EUR:0.112",
+ .details.deposit.deposit_fee = "EUR:0.1"
+ },
+ {
+ .opcode = OPCODE_RUN_AGGREGATOR,
+ .label = "run-aggregator-deposit-6e"
+ },
+ {
+ .opcode = OPCODE_EXPECT_TRANSACTION,
+ .label = "expect-deposit-6",
+ .details.expect_transaction.debit_account = 3,
+ .details.expect_transaction.credit_account = 4,
+ .details.expect_transaction.exchange_base_url =
+ "https://exchange.taler.net/",
+ .details.expect_transaction.amount = "EUR:0.01"
+ },
+
+ /* Test profiteering if wire deadline is short */
+ {
+ .opcode = OPCODE_DATABASE_DEPOSIT,
+ .label = "do-deposit-7a",
+ .details.deposit.merchant_name = "bob",
+ .details.deposit.merchant_account = 4,
+ .details.deposit.wire_deadline = { 1000LL * 1000 * 0 }, /* 0s */
+ .details.deposit.amount_with_fee = "EUR:0.109",
+ .details.deposit.deposit_fee = "EUR:0.1"
+ },
+ {
+ .opcode = OPCODE_RUN_AGGREGATOR,
+ .label = "run-aggregator-deposit-7a-tiny"
+ },
+ {
+ .opcode = OPCODE_EXPECT_TRANSACTIONS_EMPTY,
+ .label = "expect-empty-transactions-after-7a-tiny"
+ },
+ {
+ .opcode = OPCODE_DATABASE_DEPOSIT,
+ .label = "do-deposit-7b",
+ .details.deposit.merchant_name = "bob",
+ .details.deposit.merchant_account = 4,
+ .details.deposit.wire_deadline = { 1000LL * 1000 * 0 }, /* 0s */
+ .details.deposit.amount_with_fee = "EUR:0.119",
+ .details.deposit.deposit_fee = "EUR:0.1"
+ },
+ {
+ .opcode = OPCODE_RUN_AGGREGATOR,
+ .label = "run-aggregator-deposit-7-profit"
+ },
+ {
+ .opcode = OPCODE_EXPECT_TRANSACTION,
+ .label = "expect-deposit-7",
+ .details.expect_transaction.debit_account = 3,
+ .details.expect_transaction.credit_account = 4,
+ .details.expect_transaction.exchange_base_url =
+ "https://exchange.taler.net/",
+ .details.expect_transaction.amount = "EUR:0.01"
+ },
+ /* Now check profit was actually taken */
+ {
+ .opcode = OPCODE_DATABASE_DEPOSIT,
+ .label = "do-deposit-7c",
+ .details.deposit.merchant_name = "bob",
+ .details.deposit.merchant_account = 4,
+ .details.deposit.wire_deadline = { 1000LL * 1000 * 0 }, /* 0s */
+ .details.deposit.amount_with_fee = "EUR:0.122",
+ .details.deposit.deposit_fee = "EUR:0.1"
+ },
+ {
+ .opcode = OPCODE_RUN_AGGREGATOR,
+ .label = "run-aggregator-deposit-7c-loss"
+ },
+ {
+ .opcode = OPCODE_EXPECT_TRANSACTION,
+ .label = "expect-deposit-7",
+ .details.expect_transaction.debit_account = 3,
+ .details.expect_transaction.credit_account = 4,
+ .details.expect_transaction.exchange_base_url =
+ "https://exchange.taler.net/",
+ .details.expect_transaction.amount = "EUR:0.01"
+ },
+
+ /* Test that aggregation would happen fully if wire deadline is long */
+ {
+ .opcode = OPCODE_DATABASE_DEPOSIT,
+ .label = "do-deposit-8a",
+ .details.deposit.merchant_name = "bob",
+ .details.deposit.merchant_account = 4,
+ .details.deposit.wire_deadline = { 1000LL * 1000 * 5 }, /* 5s */
+ .details.deposit.amount_with_fee = "EUR:0.109",
+ .details.deposit.deposit_fee = "EUR:0.1"
+ },
+ {
+ .opcode = OPCODE_RUN_AGGREGATOR,
+ .label = "run-aggregator-deposit-8a-tiny"
+ },
+ {
+ .opcode = OPCODE_EXPECT_TRANSACTIONS_EMPTY,
+ .label = "expect-empty-transactions-after-8a-tiny"
+ },
+ {
+ .opcode = OPCODE_DATABASE_DEPOSIT,
+ .label = "do-deposit-8b",
+ .details.deposit.merchant_name = "bob",
+ .details.deposit.merchant_account = 4,
+ .details.deposit.wire_deadline = { 1000LL * 1000 * 5 }, /* 5s */
+ .details.deposit.amount_with_fee = "EUR:0.109",
+ .details.deposit.deposit_fee = "EUR:0.1"
+ },
+ {
+ .opcode = OPCODE_RUN_AGGREGATOR,
+ .label = "run-aggregator-deposit-8b-tiny"
+ },
+ {
+ .opcode = OPCODE_EXPECT_TRANSACTIONS_EMPTY,
+ .label = "expect-empty-transactions-after-8b-tiny"
+ },
+ /* now trigger aggregate with large transaction and short deadline */
+ {
+ .opcode = OPCODE_DATABASE_DEPOSIT,
+ .label = "do-deposit-8c",
+ .details.deposit.merchant_name = "bob",
+ .details.deposit.merchant_account = 4,
+ .details.deposit.wire_deadline = { 1000LL * 1000 * 0 }, /* 0s */
+ .details.deposit.amount_with_fee = "EUR:0.122",
+ .details.deposit.deposit_fee = "EUR:0.1"
+ },
+ {
+ .opcode = OPCODE_RUN_AGGREGATOR,
+ .label = "run-aggregator-deposit-8"
+ },
+ {
+ .opcode = OPCODE_EXPECT_TRANSACTION,
+ .label = "expect-deposit-8",
+ .details.expect_transaction.debit_account = 3,
+ .details.expect_transaction.credit_account = 4,
+ .details.expect_transaction.exchange_base_url =
+ "https://exchange.taler.net/",
+ .details.expect_transaction.amount = "EUR:0.03"
+ },
+
+
+ /* Test aggregation with fees and rounding profits */
+ {
+ .opcode = OPCODE_DATABASE_DEPOSIT,
+ .label = "do-deposit-9a",
+ .details.deposit.merchant_name = "bob",
+ .details.deposit.merchant_account = 4,
+ .details.deposit.wire_deadline = { 1000LL * 1000 * 5 }, /* 5s */
+ .details.deposit.amount_with_fee = "EUR:0.104",
+ .details.deposit.deposit_fee = "EUR:0.1"
+ },
+ {
+ .opcode = OPCODE_RUN_AGGREGATOR,
+ .label = "run-aggregator-deposit-9a-tiny"
+ },
+ {
+ .opcode = OPCODE_EXPECT_TRANSACTIONS_EMPTY,
+ .label = "expect-empty-transactions-after-9a-tiny"
+ },
+ {
+ .opcode = OPCODE_DATABASE_DEPOSIT,
+ .label = "do-deposit-9b",
+ .details.deposit.merchant_name = "bob",
+ .details.deposit.merchant_account = 4,
+ .details.deposit.wire_deadline = { 1000LL * 1000 * 5 }, /* 5s */
+ .details.deposit.amount_with_fee = "EUR:0.105",
+ .details.deposit.deposit_fee = "EUR:0.1"
+ },
+ {
+ .opcode = OPCODE_RUN_AGGREGATOR,
+ .label = "run-aggregator-deposit-9b-tiny"
+ },
+ {
+ .opcode = OPCODE_EXPECT_TRANSACTIONS_EMPTY,
+ .label = "expect-empty-transactions-after-9b-tiny"
+ },
+ /* now trigger aggregate with large transaction and short deadline */
+ {
+ .opcode = OPCODE_DATABASE_DEPOSIT,
+ .label = "do-deposit-9c",
+ .details.deposit.merchant_name = "bob",
+ .details.deposit.merchant_account = 4,
+ .details.deposit.wire_deadline = { 1000LL * 1000 * 0 }, /* 0s */
+ .details.deposit.amount_with_fee = "EUR:0.112",
+ .details.deposit.deposit_fee = "EUR:0.1"
+ },
+ {
+ .opcode = OPCODE_RUN_AGGREGATOR,
+ .label = "run-aggregator-deposit-9"
+ },
+ /* 0.009 + 0.009 + 0.022 - 0.001 - 0.002 - 0.008 = 0.029 => 0.02 */
+ {
+ .opcode = OPCODE_EXPECT_TRANSACTION,
+ .label = "expect-deposit-9",
+ .details.expect_transaction.debit_account = 3,
+ .details.expect_transaction.credit_account = 4,
+ .details.expect_transaction.exchange_base_url =
+ "https://exchange.taler.net/",
+ .details.expect_transaction.amount = "EUR:0.01"
+ },
+
+ /* Everything tested, terminate with success */
+ {
+ .opcode = OPCODE_TERMINATE_SUCCESS,
+ .label = "testcase-complete-terminating-with-success"
+ },
+ /* note: rest not reached, this is just sample code */
+ {
+ .opcode = OPCODE_TERMINATE_SKIP,
+ .label = "testcase-incomplete-terminating-with-skip"
+ }
+ };
+ static struct State state = {
+ .commands = commands
+ };
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Launching interpreter\n");
+ int_task = GNUNET_SCHEDULER_add_now (&interpreter,
+ &state);
+}
+
+
+/**
+ * Main function that will be run by the scheduler.
+ *
+ * @param cls closure with configuration
+ */
+static void
+run (void *cls)
+{
+ struct GNUNET_CONFIGURATION_Handle *cfg = cls;
+ struct TALER_EXCHANGEDB_DenominationKeyInformationP issue;
+ struct TALER_DenominationPublicKey dpk;
+
+ plugin = TALER_EXCHANGEDB_plugin_load (cfg);
+ if (NULL == plugin)
+ {
+ GNUNET_break (0);
+ result = 77;
+ return;
+ }
+ if (GNUNET_OK !=
+ plugin->create_tables (plugin->cls))
+ {
+ GNUNET_break (0);
+ TALER_EXCHANGEDB_plugin_unload (plugin);
+ plugin = NULL;
+ result = 77;
+ return;
+ }
+ session = plugin->get_session (plugin->cls);
+ GNUNET_assert (NULL != session);
+ fake_issue (&issue);
+ dpk.rsa_public_key = coin_pub;
+ GNUNET_CRYPTO_rsa_public_key_hash (dpk.rsa_public_key,
+ &issue.properties.denom_hash);
+ if ( (GNUNET_OK !=
+ plugin->start (plugin->cls,
+ session,
+ "aggregator-test-2")) ||
+ (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
+ plugin->insert_denomination_info (plugin->cls,
+ session,
+ &dpk,
+ &issue)) ||
+ (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS !=
+ plugin->commit (plugin->cls,
+ session)) )
+ {
+ GNUNET_break (0);
+ TALER_EXCHANGEDB_plugin_unload (plugin);
+ plugin = NULL;
+ result = 77;
+ return;
+ }
+ child_death_task =
+ GNUNET_SCHEDULER_add_read_file (GNUNET_TIME_UNIT_FOREVER_REL,
+ GNUNET_DISK_pipe_handle (sigpipe,
+ GNUNET_DISK_PIPE_END_READ),
+ &maint_child_death,
+ NULL);
+ GNUNET_SCHEDULER_add_shutdown (&shutdown_action,
+ NULL);
+ timeout_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_MINUTES,
+ &timeout_action,
+ NULL);
+ result = 1; /* test failed for undefined reason */
+ fb = TALER_FAKEBANK_start (8082);
+ if (NULL == fb)
+ {
+ GNUNET_SCHEDULER_shutdown ();
+ result = 77;
+ return;
+ }
+ run_test ();
+}
+
+
+/**
+ * Signal handler called for SIGCHLD. Triggers the
+ * respective handler by writing to the trigger pipe.
+ */
+static void
+sighandler_child_death ()
+{
+ static char c;
+ int old_errno = errno; /* back-up errno */
+
+ GNUNET_break (1 ==
+ GNUNET_DISK_file_write (GNUNET_DISK_pipe_handle
+ (sigpipe, GNUNET_DISK_PIPE_END_WRITE),
+ &c, sizeof (c)));
+ errno = old_errno; /* restore errno */
+}
+
+
+int
+main (int argc,
+ char *const argv[])
+{
+ const char *plugin_name;
+ char *testname;
+ struct GNUNET_OS_Process *proc;
+ struct GNUNET_CONFIGURATION_Handle *cfg;
+ struct GNUNET_SIGNAL_Context *shc_chld;
+
+ result = -1;
+ if (NULL == (plugin_name = strrchr (argv[0], (int) '-')))
+ {
+ GNUNET_break (0);
+ return -1;
+ }
+ plugin_name++;
+ (void) GNUNET_asprintf (&testname,
+ "test-taler-exchange-aggregator-%s",
+ plugin_name);
+ (void) GNUNET_asprintf (&config_filename,
+ "%s.conf",
+ testname);
+ /* these might get in the way */
+ unsetenv ("XDG_DATA_HOME");
+ unsetenv ("XDG_CONFIG_HOME");
+ GNUNET_log_setup ("test_taler_exchange_aggregator",
+ "WARNING",
+ NULL);
+ proc = GNUNET_OS_start_process (GNUNET_NO,
+ GNUNET_OS_INHERIT_STD_ALL,
+ NULL, NULL, NULL,
+ "taler-exchange-keyup",
+ "taler-exchange-keyup",
+ "-c", config_filename,
+ NULL);
+ if (NULL == proc)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Failed to run `taler-exchange-keyup`, is your PATH correct?\n");
+ return 77;
+ }
+ GNUNET_OS_process_wait (proc);
+ GNUNET_OS_process_destroy (proc);
+ if (GNUNET_OK !=
+ GNUNET_NETWORK_test_port_free (IPPROTO_TCP,
+ 8082))
+ {
+ fprintf (stderr,
+ "Required port %u not available, skipping.\n",
+ (unsigned int) 8082);
+ return 77;
+ }
+ cfg = GNUNET_CONFIGURATION_create ();
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_parse (cfg,
+ config_filename))
+ {
+ GNUNET_break (0);
+ GNUNET_free (config_filename);
+ GNUNET_free (testname);
+ return 2;
+ }
+ sigpipe = GNUNET_DISK_pipe (GNUNET_NO, GNUNET_NO,
+ GNUNET_NO, GNUNET_NO);
+ GNUNET_assert (NULL != sigpipe);
+ shc_chld =
+ GNUNET_SIGNAL_handler_install (GNUNET_SIGCHLD,
+ &sighandler_child_death);
+ coin_pk = GNUNET_CRYPTO_rsa_private_key_create (1024);
+ coin_pub = GNUNET_CRYPTO_rsa_private_key_get_public (coin_pk);
+ GNUNET_SCHEDULER_run (&run,
+ cfg);
+ GNUNET_CRYPTO_rsa_private_key_free (coin_pk);
+ GNUNET_CRYPTO_rsa_public_key_free (coin_pub);
+ GNUNET_SIGNAL_handler_uninstall (shc_chld);
+ shc_chld = NULL;
+ GNUNET_DISK_pipe_close (sigpipe);
+ GNUNET_CONFIGURATION_destroy (cfg);
+ GNUNET_free (config_filename);
+ GNUNET_free (testname);
+ return result;
+}
+
+
+/* end of test_taler_exchange_aggregator.c */