---

WHITEBIT_API_KEY=your_public_api_key_here
WHITEBIT_API_SECRET=your_private_api_secret_here

---

import os
import time
import json
import hmac
import hashlib
import base64
import requests
from dotenv import load_dotenv

# Load credentials
load_dotenv()
API_KEY = os.getenv('WHITEBIT_API_KEY')
API_SECRET = os.getenv('WHITEBIT_API_SECRET')
API_URL = 'https://api.whitebit.com'

def send_signed_request(endpoint, request_data=None):
    if request_data is None:
        request_data = {}
        
    url = f"{API_URL}{endpoint}"
    
    # 1. Add required routing parameters to payload
    request_data['request'] = endpoint
    request_data['nonce'] = int(time.time() * 1000) # millisecond nonce
    
    # 2. Serialize payload to JSON (without whitespace separators for consistency)
    json_payload = json.dumps(request_data, separators=(',', ':'))
    
    # 3. Base64 encode the JSON string
    b64_payload = base64.b64encode(json_payload.encode('utf-8')).decode('utf-8')
    
    # 4. Generate signature with HMAC-SHA512
    signature = hmac.new(
        API_SECRET.encode('utf-8'),
        b64_payload.encode('utf-8'),
        hashlib.sha512
    ).hexdigest()
    
    # 5. Define headers
    headers = {
        'Content-Type': 'application/json',
        'X-TXC-APIKEY': API_KEY,
        'X-TXC-PAYLOAD': b64_payload,
        'X-TXC-SIGNATURE': signature
    }
    
    # 6. Send POST request
    response = requests.post(url, data=json_payload, headers=headers)
    return response.json()

---

# Fetch balances
try:
    balances = send_signed_request('/api/v4/trade-account/balance')
    print("WhiteBIT Trading Balances:")
    for asset, data in balances.items():
        available = float(data.get('available', 0))
        freeze = float(data.get('freeze', 0))
        if available > 0 or freeze > 0:
            print(f"Asset: {asset} | Available: {available} | Locked: {freeze}")
except Exception as e:
    print(f"Failed to query balances: {e}")

---

# Define order parameters
order_params = {
    'market': 'BTC_USDT',
    'side': 'buy',
    'amount': '0.001',
    'price': '62000.00',
    'clientOrderId': 'bot_limit_buy_01'
}

# Dispatch order
try:
    order_result = send_signed_request('/api/v4/order/new', order_params)
    if 'orderId' in order_result:
        print(f"Order created successfully! ID: {order_result['orderId']}")
        print(f"Status: {order_result['status']} | Remaining amount: {order_result['left']}")
    else:
        print(f"API rejection: {order_result}")
except Exception as e:
    print(f"Error placing order: {e}")

---