如何在Python中对FTX_Client进行身份验证

import requests
import time
import hmac
import hashlib

def generate_signature(secret, message):
    signature = hmac.new(secret.encode(), message.encode(), hashlib.sha256).hexdigest()
    return signature

def authenticate(api_key, api_secret, endpoint, params=None):
    base_url = 'https://ftx.com/api/'
    url = base_url + endpoint
    ts = int(time.time() * 1000)
    request_data = {
        'key': api_key,
        'sign': '',
        'time': ts
    }
    if params:
        request_data.update(params)
    request_data['sign'] = generate_signature(api_secret, f'{ts}websocket_login')
    response = requests.post(url, data=request_data)
    return response.json()

api_key = 'your_api_key'
api_secret = 'your_api_secret'
endpoint = 'websocket_login'
response = authenticate(api_key, api_secret, endpoint)