from keys import api_key, api_secret
base_currency = 'USDT'
coin_currency = 'BTC'

bh = BinanceHelper.BinanceHelper(api_key, api_secret, base_currency, coin_currency)

# Automatically calculate step size, tick size, float precision and balance to work with API filters.

# Decide to sell.
if SELL:
  
  # transfer entire holding of coin_currency into base_currency.
  bh.sell()

# Decide to buy.
else:

  # transfer entire holding of base_currency into coin_currency.
  bh.buy()