def send_order(self, strategy: CtaTemplate, direction: Direction,
offset: Offset, price: float, volume: float, stop: bool,
lock: bool):
"""
"""
contract = self.main_engine.get_contract(strategy.vt_symbol)
if not contract:
self.write_log(f"委托失败，找不到合约：{strategy.vt_symbol}", strategy)
return ""
# Round order price and volume to nearest incremental value
price = round_to(price, contract.pricetick)
volume = round_to(volume, contract.min_volume)
if stop:
if contract.stop_supported:
return self.send_server_stop_order(strategy, contract,
direction, offset, price,
volume, lock)
else:
return self.send_local_stop_order(strategy, direction, offset,
price, volume, lock)
else:
return self.send_limit_order(strategy, contract, direction, offset,
price, volume, lock)
def calculate_price(self):
""""""
self.clear_price()
# Go through all legs to calculate price
for n, leg in enumerate(self.legs.values()):
# Filter not all leg price data has been received
if not leg.bid_volume or not leg.ask_volume:
self.clear_price()
return
# Calculate price
price_multiplier = self.price_multipliers[leg.vt_symbol]
if price_multiplier > 0:
self.bid_price += leg.bid_price * price_multiplier
self.ask_price += leg.ask_price * price_multiplier
else:
self.bid_price += leg.ask_price * price_multiplier
self.ask_price += leg.bid_price * price_multiplier
# Round price to pricetick
self.bid_price = round_to(self.bid_price, self.pricetick)
self.ask_price = round_to(self.ask_price, self.pricetick)
# Calculate volume
trading_multiplier = self.trading_multipliers[leg.vt_symbol]
inverse_contract = self.inverse_contracts[leg.vt_symbol]
if not inverse_contract:
leg_bid_volume = leg.bid_volume
leg_ask_volume = leg.ask_volume
else:
leg_bid_volume = calculate_inverse_volume(
leg.bid_volume, leg.bid_price, leg.size)
leg_ask_volume = calculate_inverse_volume(
leg.ask_volume, leg.ask_price, leg.size)
if trading_multiplier > 0:
adjusted_bid_volume = floor_to(
leg_bid_volume / trading_multiplier, self.min_volume)
adjusted_ask_volume = floor_to(
leg_ask_volume / trading_multiplier, self.min_volume)
else:
adjusted_bid_volume = floor_to(
leg_ask_volume / abs(trading_multiplier), self.min_volume)
adjusted_ask_volume = floor_to(
leg_bid_volume / abs(trading_multiplier), self.min_volume)
# For the first leg, just initialize
if not n:
self.bid_volume = adjusted_bid_volume
self.ask_volume = adjusted_ask_volume
# For following legs, use min value of each leg quoting volume
else:
self.bid_volume = min(self.bid_volume, adjusted_bid_volume)
self.ask_volume = min(self.ask_volume, adjusted_ask_volume)
# Update calculate time
self.datetime = datetime.now()
def send_order(self, strategy: StrategyTemplate, vt_symbol: str,
direction: Direction, offset: Offset, price: float,
volume: float, lock: bool):
"""
Send a new order to server.
"""
contract: ContractData = self.main_engine.get_contract(vt_symbol)
if not contract:
self.write_log(f"委托失败，找不到合约：{vt_symbol}", strategy)
return ""
# Round order price and volume to nearest incremental value
price = round_to(price, contract.pricetick)
volume = round_to(volume, contract.min_volume)
# Create request and send order.
original_req = OrderRequest(
symbol=contract.symbol,
exchange=contract.exchange,
direction=direction,
offset=offset,
type=OrderType.LIMIT,
price=price,
volume=volume,
reference=f"{APP_NAME}_{strategy.strategy_name}")
# Convert with offset converter
req_list = self.offset_converter.convert_order_request(
original_req, lock)
# Send Orders
vt_orderids = []
for req in req_list:
req.reference = strategy.strategy_name # Add strategy name as order reference
vt_orderid = self.main_engine.send_order(req,
contract.gateway_name)
# Check if sending order successful
if not vt_orderid:
continue
vt_orderids.append(vt_orderid)
self.offset_converter.update_order_request(req, vt_orderid)
# Save relationship between orderid and strategy.
self.orderid_strategy_map[vt_orderid] = strategy
return vt_orderids
def send_order(self, strategy: StrategyTemplate, vt_symbol: str,
direction: Direction, offset: Offset, price: float,
volume: float, lock: bool) -> List[str]:
""""""
price = round_to(price, self.priceticks[vt_symbol])
symbol, exchange = extract_vt_symbol(vt_symbol)
self.limit_order_count += 1
order = OrderData(
symbol=symbol,
exchange=exchange,
orderid=str(self.limit_order_count),
direction=direction,
offset=offset,
price=price,
volume=volume,
status=Status.SUBMITTING,
datetime=self.datetime,
gateway_name=self.gateway_name,
)
self.active_limit_orders[order.vt_orderid] = order
self.limit_orders[order.vt_orderid] = order
return [order.vt_orderid]
def send_order(self, algo: AlgoTemplate, vt_symbol: str,
direction: Direction, price: float, volume: float,
order_type: OrderType, offset: Offset):
""""""
contract = self.main_engine.get_contract(vt_symbol)
if not contract:
self.write_log(f'委托下单失败，找不到合约：{vt_symbol}', algo)
return
volume = round_to(volume, contract.min_volume)
if not volume:
return ""
req = OrderRequest(symbol=contract.symbol,
exchange=contract.exchange,
direction=direction,
type=order_type,
volume=volume,
price=price,
offset=offset,
reference=f"{APP_NAME}_{algo.algo_name}")
vt_orderid = self.main_engine.send_order(req, contract.gateway_name)
self.orderid_algo_map[vt_orderid] = algo
return vt_orderid
def generate_rand_volume(self):
""""""
rand_volume = uniform(self.min_volume, self.max_volume)
rand_volume = round_to(rand_volume, self.volume_change)
if self.volume_change == 1:
rand_volume = int(rand_volume)
return rand_volume
def load_bar_data(spread: SpreadData,
interval: Interval,
start: datetime,
end: datetime,
pricetick: float = 0):
""""""
# Load bar data of each spread leg
leg_bars: Dict[str, Dict] = {}
for vt_symbol in spread.legs.keys():
symbol, exchange = extract_vt_symbol(vt_symbol)
bar_data: List[BarData] = database_manager.load_bar_data(
symbol, exchange, interval, start, end)
bars: Dict[datetime, BarData] = {bar.datetime: bar for bar in bar_data}
leg_bars[vt_symbol] = bars
# Calculate spread bar data
spread_bars: List[BarData] = []
for dt in bars.keys():
spread_price = 0
spread_value = 0
spread_available = True
for leg in spread.legs.values():
leg_bar = leg_bars[leg.vt_symbol].get(dt, None)
if leg_bar:
price_multiplier = spread.price_multipliers[leg.vt_symbol]
spread_price += price_multiplier * leg_bar.close_price
spread_value += abs(price_multiplier) * leg_bar.close_price
else:
spread_available = False
if spread_available:
if pricetick:
spread_price = round_to(spread_price, pricetick)
spread_bar = BarData(
symbol=spread.name,
exchange=exchange.LOCAL,
datetime=dt,
interval=interval,
open_price=spread_price,
high_price=spread_price,
low_price=spread_price,
close_price=spread_price,
gateway_name="SPREAD",
)
spread_bar.value = spread_value
spread_bars.append(spread_bar)
return spread_bars
def hedge_passive_legs(self):
"""
Send orders to hedge all passive legs.
"""
# Calcualte spread volume to hedge
active_leg = self.spread.active_leg
active_traded = self.leg_traded[active_leg.vt_symbol]
active_traded = round_to(active_traded, self.spread.min_volume)
hedge_volume = self.spread.calculate_spread_volume(
active_leg.vt_symbol, active_traded)
# Calculate passive leg target volume and do hedge
for leg in self.spread.passive_legs:
passive_traded = self.leg_traded[leg.vt_symbol]
passive_traded = round_to(passive_traded, self.spread.min_volume)
passive_target = self.spread.calculate_leg_volume(
leg.vt_symbol, hedge_volume)
leg_order_volume = passive_target - passive_traded
if leg_order_volume:
self.send_leg_order(leg.vt_symbol, leg_order_volume)
def send_order(
self,
strategy: CtaTemplate,
direction: Direction,
offset: Offset,
price: float,
volume: float,
stop: bool,
lock: bool
):
""""""
price = round_to(price, self.pricetick)
if stop:
vt_orderid = self.send_stop_order(direction, offset, price, volume)
else:
vt_orderid = self.send_limit_order(direction, offset, price, volume)
return [vt_orderid]