buy and sell.py

def buy_max(pair, client=client):
    # Use max possible usd size
    price = client.fetchTicker(pair)['last']
    size = client.fetchBalance()['USD']['free'] / price
    client.createMarketBuyOrder(pair, amount=size)
    print(f"bought ${size} of {pair}")

def sell_max(pair, client=client):
    symbol = pair.split("-")[0]
    size = client.fetchBalance()[symbol]['free']
    client.createMarketSellOrder(pair, amount=size)
    print(f"bought ${size} of {pair}")