import requests
import time
import hmac
import hashlib

api_key = ""
api_secret = ""

def hmac_sha256(key, message):
    key = key.encode('utf-8')
    message = message.encode('utf-8')
    
    hashed = hmac.new(key, message, hashlib.sha256)
    
    return hashed.hexdigest()

def market_order(ticker, quantity, side):
    timestamp = int(time.time() * 1000)
    message = "symbol=" + ticker + "&side=" + side + "&type=MARKET&timeInForce=GTC&quantity=" + str(quantity) + "&recvWindow=5000&timestamp=" + str(timestamp)
    signature = hmac_sha256(api_secret, message)

    url = "https://api-glb.hashkey.com/api/v1/spot/order?" + message + "&signature=" + signature

    headers = {
        "accept": "application/json",
        "X-HK-APIKEY": api_key
    }

    response = requests.post(url, headers=headers)

    return response.json()

def main():
    ticker = "BTC" + "USDT"
    quantity = 20
    while True:
        try:
            result = market_order(ticker, quantity, "BUY")
            print(result)
            time.sleep(0.2)
            result = market_order(ticker, result["executedQty"], "SELL")
            print(result)
            time.sleep(0.2)
        except:
            continue

if __name__ == "__main__":
    main()