app.py

import os
from web3 import Web3
from utils.events import log_loop


url = os.environ['server']  # blockchain server
w3 = Web3(Web3.HTTPProvider(url))


def main():
    """
    This functions takes asks for address
    and creates and event listener to watch
    for the inputted address
    """
    address = input("Enter address to search for: ")
    if w3.isAddress(address):
        block_filter = w3.eth.filter('latest')
        log_loop(block_filter, 2, address, w3)
    else:
        main()


if __name__ == '__main__':
    main()