Poloniex profit monitor

profit.py

from datetime import datetime
from time import sleep
from colorclass import Color
from poloniex import Poloniex
from terminaltables import AsciiTable

API_KEY = ""
API_SECRET = ''

polo = Poloniex(API_KEY, API_SECRET)

fee = 0.0025
interval = 2
lots = [1.0, 0.1, 0.01]


def get_profit(ticker: dict, currency: str, lot_btc: float) -> float:
    currency_amount = lot_btc / ticker['BTC_' + currency]['last']
    currency_amount -= currency_amount * fee

    amount_usdt = currency_amount * ticker['USDT_' + currency]['last']
    amount_usdt -= amount_usdt * fee

    amount_btc = amount_usdt / ticker['USDT_BTC']['last']
    amount_btc -= amount_btc * fee

    return amount_btc - lot_btc


def display_profit() -> None:
    currencies = ['DASH', 'LTC', 'NXT', 'STR', 'XMR', 'XRP', 'ETH', 'ETC', 'REP', 'ZEC', 'BCH']
    table_data = [['Currency'] + lots]

    ticker = polo.returnTicker()  # type: dict

    for currency in currencies:
        row = [currency]
        for lot in lots:
            profit = get_profit(ticker, currency, lot)

            color_name = 'red'
            if profit > 0:
                color_name = 'green'

            color = Color('{auto' + color_name + '}' + '{:10.9f}'.format(profit) + '{/auto' + color_name + '}')
            row.append(color)
        table_data.append(row)

    print('\033c')
    print(AsciiTable([
        ['Name', 'Value'],
        ['way', 'BTC -> USDT -> BTC'],
        ['fee', fee],
        ['interval', interval],
        ['updated', datetime.now().time()],
    ]).table)
    print(AsciiTable(table_data).table)

    sleep(interval)

try:
    while True:
        display_profit()
except KeyboardInterrupt:
    pass

requirements.txt

colorclass==2.2.0
poloniex==0.0.11
terminaltables==3.1.0