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from pybit.unified_trading import HTTP
from dotenv import load_dotenv
import os
import yaml
import time
import logging
load_dotenv()
logger = logging.getLogger(__name__)
class BybitExchange:
def __init__(self):
self.settings = yaml.safe_load(open("config/settings.yaml"))
API_KEY = os.getenv("BYBIT_API_KEY")
API_SECRET = os.getenv("BYBIT_API_SECRET")
TESTNET = os.getenv("BYBIT_TESTNET", "true").lower() == "true"
if not API_KEY or not API_SECRET:
raise Exception("API keys missing in .env")
self.session = HTTP(
api_key=API_KEY,
api_secret=API_SECRET,
testnet=TESTNET
)
self.max_retries = 3
self.retry_delay = 1
def _retry_request(self, func, *args, **kwargs):
for attempt in range(self.max_retries):
try:
response = func(*args, **kwargs)
if "retCode" in response and response["retCode"] == 0:
return response
else:
logger.warning(f"API call failed: {response}")
if attempt < self.max_retries - 1:
time.sleep(self.retry_delay * (attempt + 1))
continue
raise Exception(f"API call failed after {self.max_retries} attempts: {response}")
except Exception as e:
logger.error(f"API request error: {e}")
if attempt < self.max_retries - 1:
time.sleep(self.retry_delay * (attempt + 1))
continue
raise e
def get_balance(self):
response = self._retry_request(self.session.get_wallet_balance, accountType="UNIFIED")
return response["result"]["list"][0]["coin"]
def get_positions(self, symbol=None):
params = {"category": "linear"}
if symbol:
params["symbol"] = symbol
response = self._retry_request(self.session.get_positions, **params)
return response["result"]["list"]
def set_leverage(self, symbol, leverage=None):
lev = leverage or self.settings["trading"]["leverage"]
response = self._retry_request(
self.session.set_leverage,
category="linear",
symbol=symbol,
buyLeverage=str(lev),
sellLeverage=str(lev)
)
return response
def market_order(self, symbol, side, qty, reduce_only=False):
params = {
"category": "linear",
"symbol": symbol,
"side": side.upper(),
"orderType": "Market",
"qty": str(qty)
}
if reduce_only:
params["reduceOnly"] = True
response = self._retry_request(self.session.place_order, **params)
return response["result"]
def limit_order(self, symbol, side, qty, price, reduce_only=False):
params = {
"category": "linear",
"symbol": symbol,
"side": side.upper(),
"orderType": "Limit",
"qty": str(qty),
"price": str(price)
}
if reduce_only:
params["reduceOnly"] = True
response = self._retry_request(self.session.place_order, **params)
return response["result"]
def set_tp_sl(self, symbol, side, entry_price, tp_price, sl_price):
response = self._retry_request(
self.session.set_trading_stop,
category="linear",
symbol=symbol,
takeProfit=str(tp_price),
stopLoss=str(sl_price),
tpTriggerBy="LastPrice",
slTriggerBy="LastPrice"
)
return response
def cancel_order(self, symbol, order_id=None):
params = {"category": "linear", "symbol": symbol}
if order_id:
params["orderId"] = order_id
response = self._retry_request(self.session.cancel_order, **params)
return response["result"]
def cancel_all_orders(self, symbol=None):
params = {"category": "linear"}
if symbol:
params["symbol"] = symbol
response = self._retry_request(self.session.cancel_all_orders, **params)
return response["result"]
def close_position(self, symbol):
positions = self.get_positions(symbol)
if not positions:
return None
position = positions[0]
size = float(position["size"])
if size > 0:
return self.market_order(symbol, "Sell", size, reduce_only=True)
elif size < 0:
return self.market_order(symbol, "Buy", abs(size), reduce_only=True)
return None
def get_active_orders(self, symbol=None):
params = {"category": "linear"}
if symbol:
params["symbol"] = symbol
response = self._retry_request(self.session.get_open_orders, **params)
return response["result"]["list"]
def get_kline_data(self, symbol, interval="1", limit=200):
response = self._retry_request(
self.session.get_kline,
category="linear",
symbol=symbol,
interval=interval,
limit=limit
)
return response["result"]["list"]
def get_orderbook(self, symbol, limit=25):
response = self._retry_request(
self.session.get_orderbook,
category="linear",
symbol=symbol,
limit=limit
)
return response["result"]
def get_ticker(self, symbol):
response = self._retry_request(
self.session.get_tickers,
category="linear",
symbol=symbol
)
return response["result"]["list"][0]
def get_server_time(self):
response = self._retry_request(self.session.get_server_time)
return response["result"]["timeSecond"]
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