def simulate_limit_order_fill(market: MockPaperExchange, limit_order: LimitOrder):
quote_currency_traded: Decimal = limit_order.price * limit_order.quantity
base_currency_traded: Decimal = limit_order.quantity
quote_currency: str = limit_order.quote_currency
base_currency: str = limit_order.base_currency
if limit_order.is_buy:
market.set_balance(quote_currency, market.get_balance(quote_currency) - quote_currency_traded)
market.set_balance(base_currency, market.get_balance(base_currency) + base_currency_traded)
else:
market.set_balance(quote_currency, market.get_balance(quote_currency) + quote_currency_traded)
market.set_balance(base_currency, market.get_balance(base_currency) - base_currency_traded)
market.trigger_event(MarketEvent.OrderFilled, OrderFilledEvent(
market.current_timestamp,
limit_order.client_order_id,
limit_order.trading_pair,
TradeType.BUY if limit_order.is_buy else TradeType.SELL,
OrderType.LIMIT,
limit_order.price,
limit_order.quantity,
AddedToCostTradeFee(Decimal("0"))
))
event_type = MarketEvent.BuyOrderCompleted if limit_order.is_buy else MarketEvent.SellOrderCompleted
event_class = BuyOrderCompletedEvent if limit_order.is_buy else SellOrderCompletedEvent
market.trigger_event(event_type, event_class(
market.current_timestamp,
limit_order.client_order_id,
base_currency,
quote_currency,
base_currency_traded,
quote_currency_traded,
OrderType.LIMIT
))
def emit_order_created_event(market: MockPaperExchange, order: LimitOrder):
event_cls = BuyOrderCreatedEvent if order.is_buy else SellOrderCreatedEvent
event_tag = MarketEvent.BuyOrderCreated if order.is_buy else MarketEvent.SellOrderCreated
market.trigger_event(
event_tag,
message=event_cls(order.creation_timestamp, OrderType.LIMIT,
order.trading_pair, order.quantity, order.price,
order.client_order_id,
order.creation_timestamp * 1e-6))
def simulate_limit_order_fill(market: MockPaperExchange, limit_order: LimitOrder, timestamp: float = 0):
quote_currency_traded: Decimal = limit_order.price * limit_order.quantity
base_currency_traded: Decimal = limit_order.quantity
quote_currency: str = limit_order.quote_currency
base_currency: str = limit_order.base_currency
trade_event: OrderBookTradeEvent = OrderBookTradeEvent(
trading_pair=limit_order.trading_pair,
timestamp=timestamp,
type=TradeType.BUY if limit_order.is_buy else TradeType.SELL,
price=limit_order.price,
amount=limit_order.quantity
)
market.get_order_book(limit_order.trading_pair).apply_trade(trade_event)
if limit_order.is_buy:
market.set_balance(quote_currency, market.get_balance(quote_currency) - quote_currency_traded)
market.set_balance(base_currency, market.get_balance(base_currency) + base_currency_traded)
market.trigger_event(MarketEvent.OrderFilled, OrderFilledEvent(
market.current_timestamp,
limit_order.client_order_id,
limit_order.trading_pair,
TradeType.BUY,
OrderType.LIMIT,
limit_order.price,
limit_order.quantity,
AddedToCostTradeFee(Decimal(0.0))
))
market.trigger_event(MarketEvent.BuyOrderCompleted, BuyOrderCompletedEvent(
market.current_timestamp,
limit_order.client_order_id,
base_currency,
quote_currency,
base_currency_traded,
quote_currency_traded,
OrderType.LIMIT
))
else:
market.set_balance(quote_currency, market.get_balance(quote_currency) + quote_currency_traded)
market.set_balance(base_currency, market.get_balance(base_currency) - base_currency_traded)
market.trigger_event(MarketEvent.OrderFilled, OrderFilledEvent(
market.current_timestamp,
limit_order.client_order_id,
limit_order.trading_pair,
TradeType.SELL,
OrderType.LIMIT,
limit_order.price,
limit_order.quantity,
AddedToCostTradeFee(Decimal(0.0))
))
market.trigger_event(MarketEvent.SellOrderCompleted, SellOrderCompletedEvent(
market.current_timestamp,
limit_order.client_order_id,
base_currency,
quote_currency,
base_currency_traded,
quote_currency_traded,
OrderType.LIMIT
))
def simulate_limit_order_fill(market: MockPaperExchange,
limit_order: LimitOrder):
quote_currency_traded: Decimal = limit_order.price * limit_order.quantity
base_currency_traded: Decimal = limit_order.quantity
quote_currency: str = limit_order.quote_currency
base_currency: str = limit_order.base_currency
if limit_order.is_buy:
market.set_balance(
quote_currency,
market.get_balance(quote_currency) - quote_currency_traded)
market.set_balance(
base_currency,
market.get_balance(base_currency) + base_currency_traded)
market.trigger_event(
MarketEvent.BuyOrderCreated,
BuyOrderCreatedEvent(market.current_timestamp, OrderType.LIMIT,
limit_order.trading_pair,
limit_order.quantity, limit_order.price,
limit_order.client_order_id,
limit_order.creation_timestamp * 1e-6))
market.trigger_event(
MarketEvent.OrderFilled,
OrderFilledEvent(
market.current_timestamp,
limit_order.client_order_id,
limit_order.trading_pair,
TradeType.BUY,
OrderType.LIMIT,
limit_order.price,
limit_order.quantity,
AddedToCostTradeFee(Decimal(0)),
),
)
market.trigger_event(
MarketEvent.BuyOrderCompleted,
BuyOrderCompletedEvent(
market.current_timestamp,
limit_order.client_order_id,
base_currency,
quote_currency,
base_currency_traded,
quote_currency_traded,
OrderType.LIMIT,
),
)
else:
market.set_balance(
quote_currency,
market.get_balance(quote_currency) + quote_currency_traded)
market.set_balance(
base_currency,
market.get_balance(base_currency) - base_currency_traded)
market.trigger_event(
MarketEvent.BuyOrderCreated,
SellOrderCreatedEvent(
market.current_timestamp,
OrderType.LIMIT,
limit_order.trading_pair,
limit_order.quantity,
limit_order.price,
limit_order.client_order_id,
limit_order.creation_timestamp * 1e-6,
))
market.trigger_event(
MarketEvent.OrderFilled,
OrderFilledEvent(
market.current_timestamp,
limit_order.client_order_id,
limit_order.trading_pair,
TradeType.SELL,
OrderType.LIMIT,
limit_order.price,
limit_order.quantity,
AddedToCostTradeFee(Decimal(0)),
),
)
market.trigger_event(
MarketEvent.SellOrderCompleted,
SellOrderCompletedEvent(
market.current_timestamp,
limit_order.client_order_id,
base_currency,
quote_currency,
base_currency_traded,
quote_currency_traded,
OrderType.LIMIT,
),
)