okx_trader WIP

This commit is contained in:
Simon Moisy 2025-05-27 08:42:42 +08:00
parent 65ae3060de
commit c856e38288
3 changed files with 241 additions and 301 deletions

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@ -1,229 +0,0 @@
import os
import time
import hmac
import hashlib
import base64
import json
import pandas as pd
import threading
from websocket import create_connection, WebSocketTimeoutException
class CryptoComTrader:
ENV_URLS = {
"production": {
"WS_URL": "wss://deriv-stream.crypto.com/v1/market",
"WS_PRIVATE_URL": "wss://deriv-stream.crypto.com/v1/user"
},
"uat": {
"WS_URL": "wss://uat-deriv-stream.3ona.co/v1/market",
"WS_PRIVATE_URL": "wss://uat-deriv-stream.3ona.co/v1/user"
}
}
def __init__(self):
self.env = os.getenv("CRYPTOCOM_ENV", "UAT").lower()
urls = self.ENV_URLS.get(self.env, self.ENV_URLS["production"])
self.WS_URL = urls["WS_URL"]
self.WS_PRIVATE_URL = urls["WS_PRIVATE_URL"]
self.api_key = os.getenv("CRYPTOCOM_API_KEY")
self.api_secret = os.getenv("CRYPTOCOM_API_SECRET")
self.ws = None
self.ws_private = None
self._lock = threading.Lock()
self._private_lock = threading.Lock()
self._connect_ws()
def _connect_ws(self):
if self.ws is None:
self.ws = create_connection(self.WS_URL, timeout=10)
if self.api_key and self.api_secret and self.ws_private is None:
self.ws_private = create_connection(self.WS_PRIVATE_URL, timeout=10)
def _send_ws(self, payload, private=False):
ws = self.ws_private if private else self.ws
lock = self._private_lock if private else self._lock
with lock:
ws.send(json.dumps(payload))
try:
resp = ws.recv()
return json.loads(resp)
except WebSocketTimeoutException:
return None
def _sign(self, params):
t = str(int(time.time() * 1000))
params['id'] = t
params['nonce'] = t
params['api_key'] = self.api_key
param_str = json.dumps(params, separators=(',', ':'), sort_keys=True)
sig = hmac.new(
bytes(self.api_secret, 'utf-8'),
msg=bytes(param_str, 'utf-8'),
digestmod=hashlib.sha256
).hexdigest()
params['sig'] = sig
return params
def get_price(self):
"""
Get the latest ask price for BTC_USDC using WebSocket ticker subscription (one-shot).
"""
payload = {
"id": int(time.time() * 1000),
"method": "subscribe",
"params": {"channels": ["ticker.BTC_USDC"]}
}
resp = self._send_ws(payload)
# Wait for ticker update
while True:
data = self.ws.recv()
msg = json.loads(data)
if msg.get("method") == "ticker.update":
# 'a' is ask price
return msg["params"]["data"][0].get("a")
def get_order_book(self, depth=10):
"""
Fetch the order book for BTC_USDC with the specified depth using WebSocket (one-shot).
Returns a dict with 'bids' and 'asks'.
"""
payload = {
"id": int(time.time() * 1000),
"method": "subscribe",
"params": {"channels": [f"book.BTC_USDC.{depth}"]}
}
resp = self._send_ws(payload)
# Wait for book update
while True:
data = self.ws.recv()
msg = json.loads(data)
if msg.get("method") == "book.update":
book = msg["params"]["data"][0]
return {
"bids": book.get("bids", []),
"asks": book.get("asks", [])
}
def _authenticate(self):
"""
Authenticate the private WebSocket connection. Only needs to be done once per session.
"""
if not self.api_key or not self.api_secret:
raise ValueError("API key and secret must be set in environment variables.")
payload = {
"id": int(time.time() * 1000),
"method": "public/auth",
"api_key": self.api_key,
"nonce": int(time.time() * 1000),
}
# For auth, sig is HMAC_SHA256(method + id + api_key + nonce)
sig_payload = (
payload["method"] + str(payload["id"]) + self.api_key + str(payload["nonce"])
)
payload["sig"] = hmac.new(
bytes(self.api_secret, "utf-8"),
msg=bytes(sig_payload, "utf-8"),
digestmod=hashlib.sha256,
).hexdigest()
resp = self._send_ws(payload, private=True)
if not resp or resp.get("code") != 0:
raise Exception(f"WebSocket authentication failed: {resp}")
def _ensure_private_auth(self):
if self.ws_private is None:
self._connect_ws()
time.sleep(1) # recommended by docs
self._authenticate()
def get_balance(self, currency="USDC"):
"""
Fetch user balance using WebSocket private API.
"""
self._ensure_private_auth()
payload = {
"id": int(time.time() * 1000),
"method": "private/user-balance",
"params": {},
"nonce": int(time.time() * 1000),
}
resp = self._send_ws(payload, private=True)
if resp and resp.get("code") == 0:
balances = resp.get("result", {}).get("data", [])
if currency:
return [b for b in balances if b.get("instrument_name") == currency]
return balances
return []
def place_order(self, side, amount):
"""
Place a market order using WebSocket private API.
side: 'BUY' or 'SELL', amount: in BTC
"""
self._ensure_private_auth()
params = {
"instrument_name": "BTC_USDC",
"side": side,
"type": "MARKET",
"quantity": str(amount),
}
payload = {
"id": int(time.time() * 1000),
"method": "private/create-order",
"params": params,
"nonce": int(time.time() * 1000),
}
resp = self._send_ws(payload, private=True)
return resp
def buy_btc(self, amount):
return self.place_order("BUY", amount)
def sell_btc(self, amount):
return self.place_order("SELL", amount)
def get_candlesticks(self, timeframe='1m', count=100):
"""
Fetch candlestick (OHLCV) data for BTC_USDC using WebSocket.
Args:
timeframe (str): Timeframe for each candle (e.g., '1m', '5m', '15m', '1h', '4h', '1d').
count (int): Number of candles to fetch (max 1000 per API docs).
Returns:
pd.DataFrame: DataFrame with columns ['timestamp', 'open', 'high', 'low', 'close', 'volume']
"""
payload = {
"id": int(time.time() * 1000),
"method": "public/get-candlestick",
"params": {
"instrument_name": "BTC_USDC",
"timeframe": timeframe,
"count": count
}
}
resp = self._send_ws(payload)
candles = resp.get("result", {}).get("data", []) if resp else []
if not candles:
return pd.DataFrame(columns=["timestamp", "open", "high", "low", "close", "volume"])
df = pd.DataFrame(candles)
df['timestamp'] = pd.to_datetime(df['t'], unit='ms')
df = df.rename(columns={
'o': 'open',
'h': 'high',
'l': 'low',
'c': 'close',
'v': 'volume'
})
return df[['timestamp', 'open', 'high', 'low', 'close', 'volume']].sort_values('timestamp')
def get_instruments(self):
"""
Fetch the list of available trading instruments from Crypto.com using WebSocket.
Returns:
list: List of instrument dicts.
"""
payload = {
"id": int(time.time() * 1000),
"method": "public/get-instruments",
"params": {}
}
resp = self._send_ws(payload)
return resp.get("result", {}).get("data", []) if resp else []

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import time
import plotly.graph_objs as go
import plotly.io as pio
from cryptocom_trader import CryptoComTrader
def plot_candlesticks(df):
if df.empty:
print("No data to plot.")
return None
# Convert columns to float
for col in ['open', 'high', 'low', 'close', 'volume']:
df[col] = df[col].astype(float)
# Plotly expects datetime for x-axis
fig = go.Figure(data=[go.Candlestick(
x=df['timestamp'],
open=df['open'],
high=df['high'],
low=df['low'],
close=df['close'],
increasing_line_color='#089981',
decreasing_line_color='#F23645'
)])
fig.update_layout(
title='BTC/USDC Realtime Candlestick (1m)',
yaxis_title='Price (USDC)',
xaxis_title='Time',
xaxis_rangeslider_visible=False,
template='plotly_dark'
)
return fig
from okx_trader import OKXTrader
import json
def main():
trader = CryptoComTrader()
pio.renderers.default = "browser" # Open in browser
trader = OKXTrader()
instrument = "BTC-USDT"
# Fetch and print BTC/USDC-related instruments
instruments = trader.get_instruments()
btc_usdc_instruments = [
inst for inst in instruments
if (
('BTC' in inst.get('base_ccy', '') or 'BTC' in inst.get('base_currency', '')) and
('USDC' in inst.get('quote_ccy', '') or 'USDC' in inst.get('quote_currency', ''))
)
]
print("BTC/USDC-related instruments:")
for inst in btc_usdc_instruments:
print(inst)
trader.subscribe_candlesticks(instrument, timeframe="5m")
# trader.subscribe_trades(instrument)
trader.subscribe_ticker(instrument)
# trader.subscribe_book(instrument, depth=5)
# trader.subscribe_user_order()
# trader.subscribe_user_trade()
# trader.subscribe_user_balance()
# print(trader.get_balance())
# Optionally, show balance (private API)
try:
balance = trader.get_balance("USDC")
print("USDC Balance:", balance)
except Exception as e:
print("[WARN] Could not fetch balance (private API):", e)
while True:
try:
data = trader.ws.recv()
except Exception as e:
print(f"[WARN] WebSocket disconnected or error: {e}.")
trader = OKXTrader()
trader.subscribe_ticker(instrument)
continue
all_instruments = trader.get_instruments()
for inst in all_instruments:
print(inst)
if data == '': continue
while True:
try:
df = trader.get_candlesticks(timeframe='1m', count=60)
# fig = plot_candlesticks(df)
# if fig:
# fig.show()
if not df.empty:
print(df[['high', 'low', 'open', 'close', 'volume']])
else:
print("No data to print.")
time.sleep(10)
except KeyboardInterrupt:
print('Exiting...')
break
except Exception as e:
print(f'Error: {e}')
time.sleep(10)
msg = json.loads(data)
print(json.dumps(msg, indent=4))
time.sleep(1)
except KeyboardInterrupt:
print('Exiting...')
if __name__ == '__main__':
main()

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trader/okx_trader.py Normal file
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import os
import time
import hmac
import hashlib
import base64
import json
import pandas as pd
import threading
import requests
import websocket
import datetime
class OKXTrader:
PUBLIC_WS_URL = "wss://ws.okx.com:8443/ws/v5/public"
PRIVATE_WS_URL = "wss://ws.okx.com:8443/ws/v5/private"
REST_URL = "https://www.okx.com"
def __init__(self):
# Load credentials from JSON config file
config_path = os.path.join(os.path.dirname(__file__), '../credentials/okx_creds.json')
try:
with open(config_path, 'r') as f:
config = json.load(f)
except FileNotFoundError:
raise FileNotFoundError(f"Credentials file not found at {config_path}. Please create it with the required keys.")
except json.JSONDecodeError:
raise ValueError(f"Credentials file at {config_path} is not valid JSON.")
self.api_key = config.get("OKX_API_KEY")
self.api_secret = config.get("OKX_API_SECRET")
self.api_passphrase = config.get("OKX_API_PASSPHRASE")
if not self.api_key or not self.api_secret or not self.api_passphrase:
raise ValueError("API key, secret, and passphrase must be set in the credentials JSON file.")
self.ws = None
self.ws_private = None
self._lock = threading.Lock()
self._private_lock = threading.Lock()
print(f"[DEBUG] Connecting to public WebSocket: {self.PUBLIC_WS_URL}")
self._connect_ws()
self._authenticate()
def _connect_ws(self):
if self.ws is None:
self.ws = websocket.create_connection(self.PUBLIC_WS_URL, timeout=10)
if self.api_key and self.api_secret and self.api_passphrase and self.ws_private is None:
self.ws_private = websocket.create_connection(self.PRIVATE_WS_URL, timeout=10)
def _get_timestamp(self):
return str(round(time.time(), 3))
def _sign(self, timestamp, method, request_path, body):
if not body:
body = ''
message = f'{timestamp}{method}{request_path}{body}'
mac = hmac.new(self.api_secret.encode('utf-8'), message.encode('utf-8'), hashlib.sha256)
return base64.b64encode(mac.digest()).decode()
def _authenticate(self):
import websocket
timestamp = self._get_timestamp()
sign = self._sign(timestamp, 'GET', '/users/self/verify', '')
login_params = {
"op": "login",
"args": [{
"apiKey": self.api_key,
"passphrase": self.api_passphrase,
"timestamp": timestamp,
"sign": sign
}]
}
self.ws_private.send(json.dumps(login_params))
print("Waiting for login response from OKX...")
while True:
try:
resp = self.ws_private.recv()
print(f"[DEBUG] Received from OKX private WS: {resp}")
if not resp:
continue
try:
msg = json.loads(resp)
except Exception:
print(f"[WARN] Non-JSON message received: {resp}")
continue
if msg.get("event") == "login":
if msg.get("code") == "0":
print("[INFO] OKX WebSocket login successful.")
break
else:
raise Exception(f"WebSocket authentication failed: {msg}")
except websocket._exceptions.WebSocketConnectionClosedException as e:
print(f"[ERROR] WebSocket connection closed during authentication: {e}")
raise
except Exception as e:
print(f"[ERROR] Exception during authentication: {e}")
raise
def subscribe_candlesticks(self, instrument="BTC-USDT", timeframe="1m"):
# OKX uses candle1m, candle5m, etc.
tf_map = {"1m": "candle1m", "5m": "candle5m", "15m": "candle15m", "1h": "candle1H"}
channel = tf_map.get(timeframe, f"candle{timeframe}")
params = {
"op": "subscribe",
"args": [{"channel": channel, "instId": instrument}]
}
print(f"[DEBUG] Subscribing to candlesticks: {json.dumps(params)}")
self.ws.send(json.dumps(params))
def subscribe_trades(self, instrument="BTC-USDT"):
params = {
"op": "subscribe",
"args": [{"channel": "trades", "instId": instrument}]
}
self.ws.send(json.dumps(params))
def subscribe_ticker(self, instrument="BTC-USDT"):
params = {
"op": "subscribe",
"args": [{"channel": "tickers", "instId": instrument}]
}
self.ws.send(json.dumps(params))
def subscribe_book(self, instrument="BTC-USDT", depth=5):
# OKX supports books5, books50, books-l2-tbt
channel = "books5" if depth <= 5 else "books50"
params = {
"op": "subscribe",
"args": [{"channel": channel, "instId": instrument}]
}
self.ws.send(json.dumps(params))
def subscribe_user_order(self):
params = {
"op": "subscribe",
"args": [{"channel": "orders", "instType": "SPOT"}]
}
self.ws_private.send(json.dumps(params))
def subscribe_user_trade(self):
params = {
"op": "subscribe",
"args": [{"channel": "trades", "instType": "SPOT"}]
}
self.ws_private.send(json.dumps(params))
def subscribe_user_balance(self):
params = {
"op": "subscribe",
"args": [{"channel": "balance_and_position"}]
}
self.ws_private.send(json.dumps(params))
def get_balance(self, currency=None):
url = f"{self.REST_URL}/api/v5/account/balance"
timestamp = self._get_timestamp()
method = "GET"
request_path = "/api/v5/account/balance"
body = ''
sign = self._sign(timestamp, method, request_path, body)
headers = {
"OK-ACCESS-KEY": self.api_key,
"OK-ACCESS-SIGN": sign,
"OK-ACCESS-TIMESTAMP": timestamp,
"OK-ACCESS-PASSPHRASE": self.api_passphrase,
"Content-Type": "application/json"
}
resp = requests.get(url, headers=headers)
if resp.status_code == 200:
data = resp.json()
balances = data.get("data", [{}])[0].get("details", [])
if currency:
return [b for b in balances if b.get("ccy") == currency]
return balances
return []
def place_order(self, side, amount, instrument="BTC-USDT"):
url = f"{self.REST_URL}/api/v5/trade/order"
timestamp = self._get_timestamp()
method = "POST"
request_path = "/api/v5/trade/order"
body_dict = {
"instId": instrument,
"tdMode": "cash",
"side": side.lower(),
"ordType": "market",
"sz": str(amount)
}
body = json.dumps(body_dict)
sign = self._sign(timestamp, method, request_path, body)
headers = {
"OK-ACCESS-KEY": self.api_key,
"OK-ACCESS-SIGN": sign,
"OK-ACCESS-TIMESTAMP": timestamp,
"OK-ACCESS-PASSPHRASE": self.api_passphrase,
"Content-Type": "application/json"
}
resp = requests.post(url, headers=headers, data=body)
return resp.json()
def buy_btc(self, amount, instrument="BTC-USDT"):
return self.place_order("buy", amount, instrument)
def sell_btc(self, amount, instrument="BTC-USDT"):
return self.place_order("sell", amount, instrument)
def get_instruments(self):
url = f"{self.REST_URL}/api/v5/public/instruments?instType=SPOT"
resp = requests.get(url)
if resp.status_code == 200:
data = resp.json()
return data.get("data", [])
return []