Fetch addresses out of opcodes dump

addies.py

import sys
import json

def etherscan_link(addy : str):
    return f"https://etherscan.io/address/{addy}"

def formatted_addy(addy : str):
    l = etherscan_link(addy)
    return f"[{addy}]({l})"

def load_json(path : str):
    with open(path) as f:
        return json.load(f)

def main():
    def addy(line : str):
        for tok in line.split():
            if not tok.startswith('0x'):
                continue
            if len(tok) == 42 and tok[-8:] not in ['00000000', 'ffffffff']:
                return tok
            if len(tok) == 66 and tok[-8:] not in ['00000000', 'ffffffff']:
                return '0x' + tok[-40:]

    name = sys.argv[1]
    addies = set()
    with open(name) as file:
        while (line := file.readline().rstrip()):
            a = addy(line)
            if a:
                addies.add(a) # or don't use walrus in py < 3.8
    
    resp_json = load_json(sys.argv[2]) if len(sys.argv) == 3 else {}

    addy_dict = {}
    for entry in resp_json:
        addy_dict[entry['TX_TO_ADDRESS']] = entry['TX_TO_ADDRESS_NAME']

    for addy in addies:
        print(formatted_addy(addy) + ' | ' + addy_dict.get(addy, ''))
  
main()