etherscan_auto.py

import json
import requests
import time
from ecdsa import SigningKey, SECP256k1
import sha3

'''
RUN
pip install ecdsa
AND
pip install sha3
BEFORE YOU RUN THE SCRIPT THE FIRST TIME
LIMITS: 20 keys per request, 5 requests per second
made by @subvert (tg), i'd be grateful if you sent me a tiny bit of your booty after you got rich
'''

ETHERSCAN_API = '' # insert your API KEY from etherscan.io here


def main():
    wallets = []

    while len(wallets) < 21:
        wallet = {}
        wallet['private_key'], wallet['public_key'], wallet['address'] = generate_address()
        wallets.append(wallet)

    addresses_to_check = ','.join(wallet['address'] for wallet in wallets)

    for result in check_balance(addresses_to_check):
        print(*result)

def generate_address():
    keccak = sha3.keccak_256()
    private_key = SigningKey.generate(curve=SECP256k1)
    public_key = private_key.get_verifying_key().to_string()
    keccak.update(public_key)
    address = keccak.hexdigest()[24:]
    return private_key.to_string().hex(), public_key.hex(), checksum_encode(address)

def checksum_encode(addr_str): # hex str
    keccak = sha3.keccak_256()
    out = ''
    addr = addr_str.lower().replace('0x', '')
    keccak.update(addr.encode('ascii'))
    hash_addr = keccak.hexdigest()
    for i, c in enumerate(addr):
        if int(hash_addr[i], 16) >= 8:
            out += c.upper()
        else:
            out += c
    return '0x' + out

def check_balance(addresses): # str commaseparated
    params = {'module': 'account',
              'action': 'balancemulti',
              'address': addresses,
              'apikey': ETHERSCAN_API
            }

    while True:
        r = requests.get('https://api.etherscan.io/api', params=params)
        response = json.loads(r.text)

        if response['status']:
            for address in response['result']:
                if address['balance'] != '0':
                    yield address['account'], address['balance']

                else: #optional
                    yield address['account'], address['balance']

            break

        else:
            print(f'ERROR: {response["result"]}')

if __name__ == '__main__':
    while True:
        main()
        time.sleep(0.22)