Ejemplo n.º 1
0
class TestDatabase(AbstractServer):

    @inlineCallbacks
    def setUp(self):
        yield super(TestDatabase, self).setUp()

        path = os.path.join(self.getStateDir(), 'sqlite')
        if not os.path.exists(path):
            os.makedirs(path)

        self.database = MarketDB(self.getStateDir(), 'market')

        self.order_id1 = OrderId(TraderId(b'3'), OrderNumber(4))
        self.order_id2 = OrderId(TraderId(b'4'), OrderNumber(5))
        self.order1 = Order(self.order_id1, AssetPair(AssetAmount(5, 'BTC'), AssetAmount(6, 'EUR')),
                            Timeout(3600), Timestamp.now(), True)
        self.order2 = Order(self.order_id2, AssetPair(AssetAmount(5, 'BTC'), AssetAmount(6, 'EUR')),
                            Timeout(3600), Timestamp.now(), False)
        self.order2.reserve_quantity_for_tick(OrderId(TraderId(b'3'), OrderNumber(4)), 3)

        self.transaction_id1 = TransactionId(TraderId(b"0"), TransactionNumber(4))
        self.transaction1 = Transaction(self.transaction_id1, AssetPair(AssetAmount(100, 'BTC'), AssetAmount(30, 'MB')),
                                        OrderId(TraderId(b"0"), OrderNumber(1)),
                                        OrderId(TraderId(b"1"), OrderNumber(2)), Timestamp(20.0))

        self.payment1 = Payment(TraderId(b"0"), self.transaction_id1, AssetAmount(5, 'BTC'),
                                WalletAddress('abc'), WalletAddress('def'), PaymentId("abc"), Timestamp(20.0), False)

        self.transaction1.add_payment(self.payment1)

    def test_add_get_order(self):
        """
        Test the insertion and retrieval of an order in the database
        """
        self.database.add_order(self.order1)
        self.database.add_order(self.order2)
        orders = self.database.get_all_orders()
        self.assertEqual(len(orders), 2)

    def test_get_specific_order(self):
        """
        Test the retrieval of a specific order
        """
        order_id = OrderId(TraderId(b'3'), OrderNumber(4))
        self.assertIsNone(self.database.get_order(order_id))
        self.database.add_order(self.order1)
        self.assertIsNotNone(self.database.get_order(order_id))

    def test_delete_order(self):
        """
        Test the deletion of an order from the database
        """
        self.database.add_order(self.order1)
        self.assertEqual(len(self.database.get_all_orders()), 1)
        self.database.delete_order(self.order_id1)
        self.assertEqual(len(self.database.get_all_orders()), 0)

    def test_get_next_order_number(self):
        """
        Test the retrieval of the next order number from the database
        """
        self.assertEqual(self.database.get_next_order_number(), 1)
        self.database.add_order(self.order1)
        self.assertEqual(self.database.get_next_order_number(), 5)

    def test_add_delete_reserved_ticks(self):
        """
        Test the retrieval, addition and deletion of reserved ticks in the database
        """
        self.database.add_reserved_tick(self.order_id1, self.order_id2, self.order1.total_quantity)
        self.assertEqual(len(self.database.get_reserved_ticks(self.order_id1)), 1)
        self.database.delete_reserved_ticks(self.order_id1)
        self.assertEqual(len(self.database.get_reserved_ticks(self.order_id1)), 0)

    def test_add_get_transaction(self):
        """
        Test the insertion and retrieval of a transaction in the database
        """
        self.database.add_transaction(self.transaction1)
        transactions = self.database.get_all_transactions()
        self.assertEqual(len(transactions), 1)
        self.assertEqual(len(self.database.get_payments(self.transaction1.transaction_id)), 1)

    def test_insert_or_update_transaction(self):
        """
        Test the conditional insertion or update of a transaction in the database
        """
        # Test insertion
        self.database.insert_or_update_transaction(self.transaction1)
        transactions = self.database.get_all_transactions()
        self.assertEqual(len(transactions), 1)

        # Test try to update with older timestamp
        before_trans1 = Transaction(self.transaction1.transaction_id, self.transaction1.assets,
                                    self.transaction1.order_id, self.transaction1.partner_order_id,
                                    Timestamp(float(self.transaction1.timestamp) - 1.0))
        self.database.insert_or_update_transaction(before_trans1)
        transaction = self.database.get_transaction(self.transaction1.transaction_id)
        self.assertEqual(float(transaction.timestamp), float(self.transaction1.timestamp))

        # Test update with newer timestamp
        after_trans1 = Transaction(self.transaction1.transaction_id, self.transaction1.assets,
                                   self.transaction1.order_id, self.transaction1.partner_order_id,
                                   Timestamp(float(self.transaction1.timestamp) + 1.0))
        self.database.insert_or_update_transaction(after_trans1)
        transaction = self.database.get_transaction(self.transaction1.transaction_id)
        self.assertEqual(float(transaction.timestamp), float(after_trans1.timestamp))

    def test_get_specific_transaction(self):
        """
        Test the retrieval of a specific transaction
        """
        transaction_id = TransactionId(TraderId(b'0'), TransactionNumber(4))
        self.assertIsNone(self.database.get_transaction(transaction_id))
        self.database.add_transaction(self.transaction1)
        self.assertIsNotNone(self.database.get_transaction(transaction_id))

    def test_delete_transaction(self):
        """
        Test the deletion of a transaction from the database
        """
        self.database.add_transaction(self.transaction1)
        self.assertEqual(len(self.database.get_all_transactions()), 1)
        self.database.delete_transaction(self.transaction_id1)
        self.assertEqual(len(self.database.get_all_transactions()), 0)

    def test_get_next_transaction_number(self):
        """
        Test the retrieval of the next transaction number from the database
        """
        self.assertEqual(self.database.get_next_transaction_number(), 1)
        self.database.add_transaction(self.transaction1)
        self.assertEqual(self.database.get_next_transaction_number(), 5)

    def test_add_get_payment(self):
        """
        Test the insertion and retrieval of a payment in the database
        """
        self.database.add_payment(self.payment1)
        payments = self.database.get_payments(self.transaction_id1)
        self.assertEqual(len(payments), 1)

    def test_add_remove_tick(self):
        """
        Test addition, retrieval and deletion of ticks in the database
        """
        ask = Tick.from_order(self.order1)
        self.database.add_tick(ask)
        bid = Tick.from_order(self.order2)
        self.database.add_tick(bid)

        self.assertEqual(len(self.database.get_ticks()), 2)

        self.database.delete_all_ticks()
        self.assertEqual(len(self.database.get_ticks()), 0)

    def test_add_get_trader_identity(self):
        """
        Test the addition and retrieval of a trader identity in the database
        """
        self.database.add_trader_identity(TraderId(b"a"), "123", 1234)
        self.database.add_trader_identity(TraderId(b"b"), "124", 1235)
        traders = self.database.get_traders()
        self.assertEqual(len(traders), 2)

    def test_check_database(self):
        """
        Test the check of the database
        """
        self.assertEqual(self.database.check_database(six.text_type(LATEST_DB_VERSION)), LATEST_DB_VERSION)

    def test_get_upgrade_script(self):
        """
        Test fetching the upgrade script of the database
        """
        self.assertTrue(self.database.get_upgrade_script(1))

    def test_db_upgrade(self):
        self.database.execute(u"DROP TABLE orders;")
        self.database.execute(u"DROP TABLE ticks;")
        self.database.execute(u"CREATE TABLE orders(x INTEGER PRIMARY KEY ASC);")
        self.database.execute(u"CREATE TABLE ticks(x INTEGER PRIMARY KEY ASC);")
        self.assertEqual(self.database.check_database(u"1"), 3)
Ejemplo n.º 2
0
class TestDatabase(AbstractServer):
    @blocking_call_on_reactor_thread
    @inlineCallbacks
    def setUp(self, annotate=True):
        yield super(TestDatabase, self).setUp(annotate=annotate)

        path = os.path.join(self.getStateDir(), 'sqlite')
        if not os.path.exists(path):
            os.makedirs(path)

        self.database = MarketDB(self.getStateDir())

        self.order_id1 = OrderId(TraderId('3'), OrderNumber(4))
        self.order_id2 = OrderId(TraderId('4'), OrderNumber(5))
        self.order1 = Order(self.order_id1, Price(5,
                                                  'EUR'), Quantity(6, 'BTC'),
                            Timeout(3600), Timestamp.now(), True)
        self.order2 = Order(self.order_id2, Price(5,
                                                  'EUR'), Quantity(6, 'BTC'),
                            Timeout(3600), Timestamp.now(), False)

        self.transaction_id1 = TransactionId(TraderId("0"),
                                             TransactionNumber(4))
        self.transaction1 = Transaction(self.transaction_id1,
                                        Price(100, 'BTC'), Quantity(30, 'MC'),
                                        OrderId(TraderId("0"), OrderNumber(1)),
                                        OrderId(TraderId("1"), OrderNumber(2)),
                                        Timestamp(20.0))

        self.payment1 = Payment(MessageId(TraderId("0"), MessageNumber("4")),
                                self.transaction_id1, Quantity(5, 'MC'),
                                Price(6, 'BTC'), WalletAddress('abc'),
                                WalletAddress('def'), PaymentId("abc"),
                                Timestamp(20.0), False)

        self.transaction1.add_payment(self.payment1)

    @blocking_call_on_reactor_thread
    def test_add_get_order(self):
        """
        Test the insertion and retrieval of an order in the database
        """
        self.database.add_order(self.order1)
        orders = self.database.get_all_orders()
        self.assertEqual(len(orders), 1)

    @blocking_call_on_reactor_thread
    def test_get_specific_order(self):
        """
        Test the retrieval of a specific order
        """
        order_id = OrderId(TraderId('3'), OrderNumber(4))
        self.assertIsNone(self.database.get_order(order_id))
        self.database.add_order(self.order1)
        self.assertIsNotNone(self.database.get_order(order_id))

    @blocking_call_on_reactor_thread
    def test_delete_order(self):
        """
        Test the deletion of an order from the database
        """
        self.database.add_order(self.order1)
        self.assertEqual(len(self.database.get_all_orders()), 1)
        self.database.delete_order(self.order_id1)
        self.assertEqual(len(self.database.get_all_orders()), 0)

    @blocking_call_on_reactor_thread
    def test_get_next_order_number(self):
        """
        Test the retrieval of the next order number from the database
        """
        self.assertEqual(self.database.get_next_order_number(), 1)
        self.database.add_order(self.order1)
        self.assertEqual(self.database.get_next_order_number(), 5)

    @blocking_call_on_reactor_thread
    def test_add_delete_reserved_ticks(self):
        """
        Test the retrieval, addition and deletion of reserved ticks in the database
        """
        self.database.add_reserved_tick(self.order_id1, self.order_id2,
                                        self.order1.total_quantity)
        self.assertEqual(len(self.database.get_reserved_ticks(self.order_id1)),
                         1)
        self.database.delete_reserved_ticks(self.order_id1)
        self.assertEqual(len(self.database.get_reserved_ticks(self.order_id1)),
                         0)

    @blocking_call_on_reactor_thread
    def test_add_get_transaction(self):
        """
        Test the insertion and retrieval of a transaction in the database
        """
        self.database.add_transaction(self.transaction1)
        transactions = self.database.get_all_transactions()
        self.assertEqual(len(transactions), 1)
        self.assertEqual(
            len(self.database.get_payments(self.transaction1.transaction_id)),
            1)

    @blocking_call_on_reactor_thread
    def test_get_specific_transaction(self):
        """
        Test the retrieval of a specific transaction
        """
        transaction_id = TransactionId(TraderId('0'), TransactionNumber(4))
        self.assertIsNone(self.database.get_transaction(transaction_id))
        self.database.add_transaction(self.transaction1)
        self.assertIsNotNone(self.database.get_transaction(transaction_id))

    @blocking_call_on_reactor_thread
    def test_delete_transaction(self):
        """
        Test the deletion of a transaction from the database
        """
        self.database.add_transaction(self.transaction1)
        self.assertEqual(len(self.database.get_all_transactions()), 1)
        self.database.delete_transaction(self.transaction_id1)
        self.assertEqual(len(self.database.get_all_transactions()), 0)

    @blocking_call_on_reactor_thread
    def test_get_next_transaction_number(self):
        """
        Test the retrieval of the next transaction number from the database
        """
        self.assertEqual(self.database.get_next_transaction_number(), 1)
        self.database.add_transaction(self.transaction1)
        self.assertEqual(self.database.get_next_transaction_number(), 5)

    @blocking_call_on_reactor_thread
    def test_add_get_payment(self):
        """
        Test the insertion and retrieval of a payment in the database
        """
        self.database.add_payment(self.payment1)
        payments = self.database.get_payments(self.transaction_id1)
        self.assertEqual(len(payments), 1)

    @blocking_call_on_reactor_thread
    def test_add_remove_tick(self):
        """
        Test addition, retrieval and deletion of ticks in the database
        """
        ask = Tick.from_order(
            self.order1,
            MessageId(TraderId('0'), MessageNumber('message_number')))
        self.database.add_tick(ask)
        bid = Tick.from_order(
            self.order2,
            MessageId(TraderId('0'), MessageNumber('message_number')))
        self.database.add_tick(bid)

        self.assertEqual(len(self.database.get_ticks()), 2)

        self.database.delete_all_ticks()
        self.assertEqual(len(self.database.get_ticks()), 0)

    @blocking_call_on_reactor_thread
    def test_add_get_trader_identity(self):
        """
        Test the addition and retrieval of a trader identity in the database
        """
        self.database.add_trader_identity("a", "123", 1234)
        self.database.add_trader_identity("b", "124", 1235)
        traders = self.database.get_traders()
        self.assertEqual(len(traders), 2)
        self.assertEqual(traders, [("a", "123", 1234), ("b", "124", 1235)])

    @blocking_call_on_reactor_thread
    def test_check_database(self):
        """
        Test the check of the database
        """
        self.assertEqual(
            self.database.check_database(unicode(LATEST_DB_VERSION)),
            LATEST_DB_VERSION)
Ejemplo n.º 3
0
class TransactionTestSuite(unittest.TestCase):
    """Transaction test cases."""
    def setUp(self):
        # Object creation
        self.transaction_id = TransactionId(TraderId("0"),
                                            TransactionNumber(1))
        self.transaction = Transaction(self.transaction_id, Price(100, 'BTC'),
                                       Quantity(30, 'MC'),
                                       OrderId(TraderId('3'), OrderNumber(2)),
                                       OrderId(TraderId('2'), OrderNumber(1)),
                                       Timestamp(0.0))
        self.proposed_trade = Trade.propose(
            MessageId(TraderId('0'), MessageNumber('1')),
            OrderId(TraderId('0'), OrderNumber(2)),
            OrderId(TraderId('1'), OrderNumber(3)), Price(100, 'BTC'),
            Quantity(30, 'MC'), Timestamp(0.0))
        self.payment = Payment(
            MessageId(TraderId("0"), MessageNumber("1")),
            TransactionId(TraderId('2'), TransactionNumber(2)),
            Quantity(3, 'MC'), Price(2, 'BTC'), WalletAddress('a'),
            WalletAddress('b'), PaymentId('aaa'), Timestamp(4.0), True)

    def test_from_proposed_trade(self):
        # Test from proposed trade
        transaction = Transaction.from_proposed_trade(self.proposed_trade,
                                                      self.transaction_id)
        self.assertEqual(transaction.price, self.transaction.price)
        self.assertEqual(transaction.total_quantity,
                         self.transaction.total_quantity)
        self.assertEqual(transaction.timestamp, self.transaction.timestamp)

    def test_unitize(self):
        """
        Test the unitize method of a Transaction
        """
        self.assertEqual(Transaction.unitize(1, 1), 1)
        self.assertEqual(Transaction.unitize(0.03, 0.02), 0.04)
        self.assertEqual(Transaction.unitize(50, 0.05), 50)
        self.assertEqual(Transaction.unitize(50.1818, 25), 75)

    def test_add_payment(self):
        """
        Test the addition of a payment to a transaction
        """
        self.transaction.add_payment(self.payment)
        self.assertEqual(self.transaction.transferred_price, Price(2, 'BTC'))
        self.assertEqual(self.transaction.transferred_quantity,
                         Quantity(3, 'MC'))
        self.assertTrue(self.transaction.payments)

    def test_last_payment(self):
        """
        Test the retrieval of the last payment
        """
        self.assertIsNone(self.transaction.last_payment(True))
        self.assertIsNone(self.transaction.last_payment(False))

        self.transaction.add_payment(self.payment)
        self.assertEqual(self.transaction.last_payment(True), self.payment)
        self.assertEqual(self.transaction.last_payment(False), self.payment)

    def test_next_payment(self):
        """
        Test the process of determining the next payment details during a transaction
        """
        def set_transaction_data(trans_price, trans_quantity, payment_price,
                                 payment_quantity):
            self.transaction._transferred_price = trans_price
            self.transaction._transferred_quantity = trans_quantity
            self.payment._transferee_price = payment_price
            self.payment._transferee_quantity = payment_quantity
            self.transaction._payments = [self.payment]

        # No incremental payments
        self.assertEqual(
            self.transaction.next_payment(True, 1, incremental=False),
            Quantity(30, 'MC'))
        self.assertEqual(
            self.transaction.next_payment(False, 2, incremental=False),
            Price(3000, 'BTC'))

        self.assertEqual(
            self.transaction.next_payment(True, 1, incremental=True),
            Quantity(1, 'MC'))
        self.assertEqual(
            self.transaction.next_payment(False, 2, incremental=True),
            Price(2, 'BTC'))

        set_transaction_data(Price(1, 'BTC'), Quantity(1, 'MC'),
                             Price(1, 'BTC'), Quantity(1, 'MC'))
        self.assertEqual(
            self.transaction.next_payment(True, 0.1, incremental=True),
            Quantity(0.2, 'MC'))

        # Test completion of trade
        set_transaction_data(Price(3000, 'BTC'), Quantity(29, 'MC'),
                             Price(1, 'BTC'), Quantity(1, 'MC'))
        self.assertEqual(
            self.transaction.next_payment(True, 1, incremental=True),
            Quantity(1, 'MC'))
        set_transaction_data(Price(2900, 'BTC'), Quantity(30, 'MC'),
                             Price(1, 'BTC'), Quantity(1, 'MC'))
        self.assertEqual(
            self.transaction.next_payment(False, 1, incremental=True),
            Price(100, 'BTC'))

        # Test whether we don't transfer too much
        set_transaction_data(Price(2999, 'BTC'), Quantity(29, 'MC'),
                             Price(2999, 'BTC'), Quantity(1, 'MC'))
        self.assertEqual(
            self.transaction.next_payment(True, 1, incremental=True),
            Quantity(1, 'MC'))
        set_transaction_data(Price(2999, 'BTC'), Quantity(29, 'MC'),
                             Price(1, 'BTC'), Quantity(29, 'MC'))
        self.assertEqual(
            self.transaction.next_payment(False, 1, incremental=True),
            Price(1, 'BTC'))

    def test_to_dictionary(self):
        """
        Test the to dictionary method of a transaction
        """
        self.assertDictEqual(
            self.transaction.to_dictionary(), {
                'trader_id': '0',
                'transaction_number': 1,
                'order_number': 2,
                'partner_trader_id': '2',
                'partner_order_number': 1,
                'payment_complete': False,
                'price': 100.0,
                'price_type': 'BTC',
                'quantity': 30.0,
                'quantity_type': 'MC',
                'transferred_price': 0.0,
                'transferred_quantity': 0.0,
                'timestamp': 0.0,
                'status': 'pending'
            })

    def test_status(self):
        """
        Test the status of a transaction
        """
        self.assertEqual(self.transaction.status, 'pending')

        self.payment._success = False
        self.transaction.add_payment(self.payment)
        self.assertEqual(self.transaction.status, 'error')
Ejemplo n.º 4
0
class TransactionTestSuite(unittest.TestCase):
    """Transaction test cases."""

    def setUp(self):
        # Object creation
        self.transaction_id = TransactionId(TraderId("0"), TransactionNumber(1))
        self.transaction = Transaction(self.transaction_id, AssetPair(AssetAmount(100, 'BTC'), AssetAmount(100, 'MB')),
                                       OrderId(TraderId('3'), OrderNumber(2)),
                                       OrderId(TraderId('2'), OrderNumber(1)), Timestamp(0.0))
        self.proposed_trade = Trade.propose(TraderId('0'),
                                            OrderId(TraderId('0'), OrderNumber(2)),
                                            OrderId(TraderId('1'), OrderNumber(3)),
                                            AssetPair(AssetAmount(100, 'BTC'), AssetAmount(100, 'MB')), Timestamp(0.0))
        self.payment = Payment(TraderId("0"), TransactionId(TraderId('2'), TransactionNumber(2)),
                               AssetAmount(3, 'MB'), WalletAddress('a'), WalletAddress('b'),
                               PaymentId('aaa'), Timestamp(4.0), True)

    def test_from_proposed_trade(self):
        """
        Test creating a transaction from a proposed trade
        """
        transaction = Transaction.from_proposed_trade(self.proposed_trade, self.transaction_id)
        self.assertEqual(transaction.assets, self.transaction.assets)

    def test_add_payment(self):
        """
        Test the addition of a payment to a transaction
        """
        self.transaction.add_payment(self.payment)
        self.assertEqual(self.transaction.transferred_assets.first.amount, 0)
        self.assertEqual(self.transaction.transferred_assets.second.amount, 3)
        self.assertTrue(self.transaction.payments)

    def test_next_payment(self):
        """
        Test the process of determining the next payment details during a transaction
        """
        self.assertEqual(self.transaction.next_payment(True), AssetAmount(100, 'BTC'))
        self.assertEqual(self.transaction.next_payment(False), AssetAmount(100, 'MB'))

    def test_is_payment_complete(self):
        """
        Test whether a payment is correctly marked as complete
        """
        self.assertFalse(self.transaction.is_payment_complete())
        self.transaction.add_payment(self.payment)
        self.assertFalse(self.transaction.is_payment_complete())
        self.transaction._transferred_assets = AssetPair(AssetAmount(100, 'BTC'), AssetAmount(100, 'MB'))
        self.assertTrue(self.transaction.is_payment_complete())

    def test_to_dictionary(self):
        """
        Test the to dictionary method of a transaction
        """
        self.assertDictEqual(self.transaction.to_dictionary(), {
            'trader_id': '0',
            'transaction_number': 1,
            'order_number': 2,
            'partner_trader_id': '2',
            'partner_order_number': 1,
            'payment_complete': False,
            'assets': {
                'first': {
                    'amount': 100,
                    'type': 'BTC',
                },
                'second': {
                    'amount': 100,
                    'type': 'MB'
                }
            },
            'transferred': {
                'first': {
                    'amount': 0,
                    'type': 'BTC',
                },
                'second': {
                    'amount': 0,
                    'type': 'MB'
                }
            },
            'timestamp': 0.0,
            'status': 'pending'
        })

    def test_status(self):
        """
        Test the status of a transaction
        """
        self.assertEqual(self.transaction.status, 'pending')

        self.payment._success = False
        self.transaction.add_payment(self.payment)
        self.assertEqual(self.transaction.status, 'error')
Ejemplo n.º 5
0
class TransactionTestSuite(unittest.TestCase):
    """Transaction test cases."""
    def setUp(self):
        # Object creation
        self.transaction_id = TransactionId(TraderId("0"),
                                            TransactionNumber(1))
        self.transaction = Transaction(
            self.transaction_id,
            AssetPair(AssetAmount(100, 'BTC'), AssetAmount(100, 'MB')),
            OrderId(TraderId('3'), OrderNumber(2)),
            OrderId(TraderId('2'), OrderNumber(1)), Timestamp(0.0))
        self.proposed_trade = Trade.propose(
            TraderId('0'), OrderId(TraderId('0'), OrderNumber(2)),
            OrderId(TraderId('1'), OrderNumber(3)),
            AssetPair(AssetAmount(100, 'BTC'), AssetAmount(100, 'MB')),
            Timestamp(0.0))
        self.payment = Payment(
            TraderId("0"), TransactionId(TraderId('2'), TransactionNumber(2)),
            AssetAmount(3, 'MB'), WalletAddress('a'), WalletAddress('b'),
            PaymentId('aaa'), Timestamp(4.0), True)

    def test_from_proposed_trade(self):
        """
        Test creating a transaction from a proposed trade
        """
        transaction = Transaction.from_proposed_trade(self.proposed_trade,
                                                      self.transaction_id)
        self.assertEqual(transaction.assets, self.transaction.assets)

    def test_add_payment(self):
        """
        Test the addition of a payment to a transaction
        """
        self.transaction.add_payment(self.payment)
        self.assertEqual(self.transaction.transferred_assets.first.amount, 0)
        self.assertEqual(self.transaction.transferred_assets.second.amount, 3)
        self.assertTrue(self.transaction.payments)

    def test_next_payment(self):
        """
        Test the process of determining the next payment details during a transaction
        """
        self.assertEqual(self.transaction.next_payment(True),
                         AssetAmount(100, 'BTC'))
        self.assertEqual(self.transaction.next_payment(False),
                         AssetAmount(100, 'MB'))

    def test_is_payment_complete(self):
        """
        Test whether a payment is correctly marked as complete
        """
        self.assertFalse(self.transaction.is_payment_complete())
        self.transaction.add_payment(self.payment)
        self.assertFalse(self.transaction.is_payment_complete())
        self.transaction._transferred_assets = AssetPair(
            AssetAmount(100, 'BTC'), AssetAmount(100, 'MB'))
        self.assertTrue(self.transaction.is_payment_complete())

    def test_to_dictionary(self):
        """
        Test the to dictionary method of a transaction
        """
        self.assertDictEqual(
            self.transaction.to_dictionary(), {
                'trader_id': '0',
                'transaction_number': 1,
                'order_number': 2,
                'partner_trader_id': '2',
                'partner_order_number': 1,
                'payment_complete': False,
                'assets': {
                    'first': {
                        'amount': 100,
                        'type': 'BTC',
                    },
                    'second': {
                        'amount': 100,
                        'type': 'MB'
                    }
                },
                'transferred': {
                    'first': {
                        'amount': 0,
                        'type': 'BTC',
                    },
                    'second': {
                        'amount': 0,
                        'type': 'MB'
                    }
                },
                'timestamp': 0.0,
                'status': 'pending'
            })

    def test_status(self):
        """
        Test the status of a transaction
        """
        self.assertEqual(self.transaction.status, 'pending')

        self.payment._success = False
        self.transaction.add_payment(self.payment)
        self.assertEqual(self.transaction.status, 'error')