asyncio aiohttp FTX prices

Asyncio_aiohttp_FTX_prices.py

import asyncio

import aiohttp

symbols = [
    'BTC-PERP',
    'ETH-PERP',
    'EOS-PERP',
    'BCH-PERP',
    'LTC-PERP',
    'LINK-PERP',
    'XRP-PERP',
    'KNC-PERP',
    'ALT-PERP',
    'SHIT-PERP',
]


async def http_fetch(url):
    async with aiohttp.ClientSession() as session:
        async with session.get(url) as response:
            result = await response.json()
            return result


async def get_symbol_price(symbol):
    result = await http_fetch(f"https://ftx.com/api/markets/{symbol}/trades?limit=1")
    return symbol, result['result'][0]['price']


async def main():
    c = []
    for symbol in symbols:
        c.append(get_symbol_price(symbol))

    result = await asyncio.gather(*c)
    for symbol, price in result:
        print(f'{symbol}: {price}')


if __name__ == '__main__':
    import time

    s = time.perf_counter()
    asyncio.run(main())
    elapsed = time.perf_counter() - s
    print(f"{__file__} executed in {elapsed:0.2f} seconds.")