hacker_chat.py

from brownie import *
from itertools import count
from click import style
from eth_utils import decode_hex
from time import sleep

start_block = 13004800
hacker = '0xC8a65Fadf0e0dDAf421F28FEAb69Bf6E2E589963'
poly = '0x0E860F44d73F9FDbaF5E9B19aFC554Bf3C8E8A57'

network.connect('mainnet')

def get_message(tx):
    try:
        return decode_hex(tx.input).decode('utf-8')
    except UnicodeDecodeError:
        return style('(unintelligible)', dim=True)


for n in count(start_block):
    while n > web3.eth.block_number:
        sleep(1)

    if n % 100 == 0 and n < web3.eth.block_number:
        print(style(f'{web3.eth.block_number - n:,d} blocks remaining', dim=True))
    block = web3.eth.get_block(n, True)
    for tx in block.transactions:
        if hacker not in [tx['from'], tx.to]:
            continue
        message = get_message(tx)
        if message is None:
            continue
        print(
            f'[{n:,}]',
            style(f"{tx['from'][:10]} says:", fg='green' if tx['from'] == hacker else ('blue' if tx['from'] == poly else 'yellow')),
            message,
        )