satoshi_to_usd.py 文件源码

def current_price_of_bitcoin():
    '''
    Pre: coinmarketcap's api can be accessed. This will require an internet connection.
    Returns: The price of Bitcoin in USD according to coinmarketcap.com
             The variable will be a Decimal with eight decimal places.
    '''
    with localcontext() as context:
        context.prec = 8
        r = requests.get("https://api.coinmarketcap.com/v1/ticker/bitcoin/")
        return Decimal(r.json()[0]["price_usd"])