def test_release(mock_exchange_class):
exchange = mock_exchange_class.return_value
exchange.options = ExchangeOptions()
exchange.id = "fake_exchange_id"
exchange.name = "coinbase"
exchange.clock = mock.Mock()
exchange.clock.step = 0
exchange.quote_price = mock.Mock(return_value=Decimal(7000.00))
wallets = [Wallet(exchange, 10000 * USD), Wallet(exchange, 0 * BTC)]
portfolio = Portfolio(USD, wallets)
order = Order(step=0,
exchange_pair=ExchangePair(exchange, USD / BTC),
side=TradeSide.BUY,
trade_type=TradeType.MARKET,
quantity=5200.00 * USD,
portfolio=portfolio,
price=Decimal(7000.00))
order.execute()
wallet_usd = portfolio.get_wallet(exchange.id, USD)
assert wallet_usd.balance == 4800 * USD
assert wallet_usd.locked_balance == 5200 * USD
assert order.path_id in wallet_usd.locked.keys()
order.release()
assert wallet_usd.balance == 10000 * USD
assert wallet_usd.locked_balance == 0 * USD
assert order.path_id not in wallet_usd.locked.keys()
def test_create_from_buy_order(mock_order_class,
mock_exchange_class):
exchange = mock_exchange_class.return_value
exchange.options = ExchangeOptions()
exchange.id = "fake_exchange_id"
exchange.name = "bitfinex"
exchange.clock = mock.Mock()
exchange.clock.step = 0
exchange.quote_price = mock.Mock(return_value=Decimal(7000.00))
wallets = [Wallet(exchange, 10000 * USD), Wallet(exchange, 2 * BTC)]
portfolio = Portfolio(USD, wallets)
order = mock_order_class.return_value
order.portfolio = portfolio
order.exchange_pair = ExchangePair(exchange, USD / BTC)
order.path_id = "fake_path_id"
order.price = Decimal(7000.00)
wallet_btc = portfolio.get_wallet(exchange.id, BTC)
wallet_btc.lock(
quantity=0.4 * BTC,
order=order,
reason="test"
)
assert float(wallet_btc.balance.size) == 1.6
assert float(wallet_btc.locked[order.path_id].size) == 0.4
order_spec = OrderSpec(
side=TradeSide.SELL,
trade_type=TradeType.MARKET,
exchange_pair=ExchangePair(exchange, USD / BTC)
)
next_order = order_spec.create_order(order)
assert next_order
assert next_order.side == TradeSide.SELL
assert next_order.type == TradeType.MARKET
assert next_order.exchange_pair == ExchangePair(exchange, USD / BTC)
assert next_order.path_id == order.path_id
assert next_order.quantity.path_id == order.path_id
assert next_order.quantity.instrument == BTC
def test_execute(mock_order_listener_class, mock_exchange_class):
exchange = mock_exchange_class.return_value
exchange.options = ExchangeOptions()
exchange.id = "fake_exchange_id"
exchange.name = "coinbase"
exchange.clock = mock.Mock()
exchange.clock.step = 0
wallets = [Wallet(exchange, 10000 * USD), Wallet(exchange, 0 * BTC)]
portfolio = Portfolio(USD, wallets)
order = Order(step=0,
exchange_pair=ExchangePair(exchange, USD / BTC),
side=TradeSide.BUY,
trade_type=TradeType.MARKET,
quantity=5200.00 * USD,
portfolio=portfolio,
price=Decimal(7000.00))
listener = mock_order_listener_class.return_value
listener.on_execute = mock.Mock(return_value=None)
order.attach(listener)
assert order.status == OrderStatus.PENDING
order.execute()
assert order.status == OrderStatus.OPEN
wallet_usd = portfolio.get_wallet(exchange.id, USD)
wallet_btc = portfolio.get_wallet(exchange.id, BTC)
assert wallet_usd.balance == 4800 * USD
assert wallet_usd.locked_balance == 5200 * USD
assert order.path_id in wallet_usd.locked.keys()
assert wallet_btc.balance == 0 * BTC
listener.on_execute.assert_called_once_with(order)
def test_on_fill_with_complex_order(mock_trade_class, mock_exchange_class):
exchange = mock_exchange_class.return_value
exchange.options.max_trade_size = 1e6
exchange.id = "fake_exchange_id"
exchange.name = "bitfinex"
exchange.quote_price = lambda pair: Decimal(7000.00)
broker = Broker()
broker.exchanges = [exchange]
wallets = [Wallet(exchange, 10000 * USD), Wallet(exchange, 0 * BTC)]
portfolio = Portfolio(USD, wallets)
side = TradeSide.BUY
order = Order(step=0,
exchange_pair=ExchangePair(exchange, USD / BTC),
side=TradeSide.BUY,
trade_type=TradeType.MARKET,
quantity=5200.00 * USD,
portfolio=portfolio,
price=Decimal(7000.00))
risk_criteria = Stop("down", 0.03) ^ Stop("up", 0.02)
risk_management = OrderSpec(
side=TradeSide.SELL if side == TradeSide.BUY else TradeSide.BUY,
trade_type=TradeType.MARKET,
exchange_pair=ExchangePair(exchange, USD / BTC),
criteria=risk_criteria)
order.add_order_spec(risk_management)
order.attach(broker)
order.execute()
broker.executed[order.id] = order
# Execute fake trade
price = Decimal(7000.00)
scale = order.price / price
commission = 3.00 * USD
base_size = scale * order.size - commission.size
trade = mock_trade_class.return_value
trade.order_id = order.id
trade.size = base_size
trade.quantity = base_size * USD
trade.price = price
trade.commission = commission
base_wallet = portfolio.get_wallet(exchange.id, USD)
quote_wallet = portfolio.get_wallet(exchange.id, BTC)
base_size = trade.size + trade.commission.size
quote_size = (order.price / trade.price) * (trade.size / trade.price)
base_wallet.withdraw(quantity=Quantity(USD,
size=base_size,
path_id=order.path_id),
reason="test")
quote_wallet.deposit(quantity=Quantity(BTC,
size=quote_size,
path_id=order.path_id),
reason="test")
assert trade.order_id in broker.executed.keys()
assert trade not in broker.trades
assert broker.unexecuted == []
order.fill(trade)
assert order.remaining == 0
assert trade in broker.trades[order.id]
assert broker.unexecuted != []
def test_cancel(mock_order_listener_class, mock_trade_class,
mock_exchange_class):
exchange = mock_exchange_class.return_value
exchange.options = ExchangeOptions()
exchange.id = "fake_exchange_id"
exchange.name = "coinbase"
exchange.clock = mock.Mock()
exchange.clock.step = 0
exchange.quote_price = mock.Mock(return_value=Decimal(7000.00))
wallets = [Wallet(exchange, 10000 * USD), Wallet(exchange, 0 * BTC)]
portfolio = Portfolio(USD, wallets)
order = Order(step=0,
exchange_pair=ExchangePair(exchange, USD / BTC),
side=TradeSide.BUY,
trade_type=TradeType.MARKET,
quantity=5200.00 * USD,
portfolio=portfolio,
price=Decimal(7000.00))
listener = mock_order_listener_class.return_value
listener.on_cancel = mock.Mock(return_value=None)
order.attach(listener)
order.execute()
# Execute fake trade
price = Decimal(7010.00)
scale = order.price / price
commission = 3.00 * USD
trade = mock_trade_class.return_value
trade.size = Decimal(scale * order.size - commission.size)
trade.quantity = trade.size * USD
trade.price = price
trade.commission = commission
base_wallet = portfolio.get_wallet(exchange.id, USD)
quote_wallet = portfolio.get_wallet(exchange.id, BTC)
base_size = trade.size + commission.size
quote_size = (order.price / trade.price) * (trade.size / trade.price)
base_wallet.withdraw(quantity=Quantity(USD,
size=base_size,
path_id=order.path_id),
reason="test")
quote_wallet.deposit(quantity=Quantity(BTC,
size=quote_size,
path_id=order.path_id),
reason="test")
order.fill(trade)
assert order.status == OrderStatus.PARTIALLY_FILLED
assert base_wallet.balance == 4800.00 * USD
assert float(round(base_wallet.locked[order.path_id].size, 2)) == 7.42
assert quote_wallet.balance == 0 * BTC
assert float(round(quote_wallet.locked[order.path_id].size,
8)) == 0.73925519
order.cancel()
listener.on_cancel.assert_called_once_with(order)
assert float(round(base_wallet.balance.size, 2)) == 4807.42
assert order.path_id not in base_wallet.locked
assert float(round(quote_wallet.balance.size, 8)) == 0.73925519
assert order.path_id not in quote_wallet.locked
def test_complete_complex_order(mock_trade_class, mock_exchange_class):
exchange = mock_exchange_class.return_value
exchange.options = ExchangeOptions()
exchange.id = "fake_exchange_id"
exchange.name = "coinbase"
exchange.clock = mock.Mock()
exchange.clock.step = 0
exchange.quote_price = mock.Mock(return_value=Decimal(7000.00))
wallets = [Wallet(exchange, 10000 * USD), Wallet(exchange, 0 * BTC)]
portfolio = Portfolio(USD, wallets)
side = TradeSide.BUY
order = Order(step=0,
exchange_pair=ExchangePair(exchange, USD / BTC),
side=TradeSide.BUY,
trade_type=TradeType.MARKET,
quantity=5200.00 * USD,
portfolio=portfolio,
price=Decimal(7000.00))
risk_criteria = Stop("down", 0.03) ^ Stop("up", 0.02)
risk_management = OrderSpec(
side=TradeSide.SELL if side == TradeSide.BUY else TradeSide.BUY,
trade_type=TradeType.MARKET,
exchange_pair=ExchangePair(exchange, USD / BTC),
criteria=risk_criteria)
order.add_order_spec(risk_management)
order.execute()
# Execute fake trade
price = Decimal(7010.00)
scale = order.price / price
commission = 3.00 * USD
base_size = scale * order.size - commission.size
trade = mock_trade_class.return_value
trade.size = Decimal(base_size)
trade.quantity = base_size * USD
trade.price = price
trade.commission = commission
base_wallet = portfolio.get_wallet(exchange.id, USD)
quote_wallet = portfolio.get_wallet(exchange.id, BTC)
base_size = trade.size + trade.commission.size
quote_size = (order.price / trade.price) * (trade.size / trade.price)
base_wallet.withdraw(quantity=Quantity(USD,
size=base_size,
path_id=order.path_id),
reason="test")
quote_wallet.deposit(quantity=Quantity(BTC,
size=quote_size,
path_id=order.path_id),
reason="test")
# Fill fake trade
order.fill(trade)
assert order.path_id in portfolio.get_wallet(exchange.id, USD).locked
assert order.status == OrderStatus.PARTIALLY_FILLED
next_order = order.complete()
assert order.status == OrderStatus.FILLED
assert next_order
assert next_order.path_id == order.path_id
assert next_order.size
assert next_order.status == OrderStatus.PENDING
assert next_order.side == TradeSide.SELL
assert next_order.exchange_pair == ExchangePair(exchange, USD / BTC)
