This script validates Bitcoin addresses by calculating and comparing checksums as well as displaying the Bitcoin address type.

bitcoin-address-validator.py

#!/usr/bin/env python

"""bitcoin-address-validator.py: This script validates Bitcoin addresses by 
                                 calculating and comparing checksums as well as displaying the Bitcoin address type."""

__author__      = "Daniel Gockel"
__website__     = "https://www.10xrecovery.org/"

from base58 import b58decode
from hashlib import sha256

bitcoin_address_to_validate = "1XRecoveryXXXXXXXXXXXXXXXXXXV47Rm7"


if __name__ == "__main__":
    bitcoin_address_decoded = b58decode(bitcoin_address_to_validate)

    version_plus_payload = bitcoin_address_decoded[:-4]
    checksum_found = bitcoin_address_decoded[-4:]

    # calculate real checksum
    checksum_real = sha256(sha256(version_plus_payload).digest()).digest()[:4]

    address_type = "undefined"
    version_prefix = version_plus_payload.hex()[0:8]
    if version_prefix[0:2] == "00":
        address_type = "Bitcoin Address"
    elif version_prefix[0:2] == "05":
        address_type = "Pay-to-Script-Hash Address"
    elif version_prefix[0:2] == "6F":
        address_type = "Bitcoin Testnet Address"
    elif version_prefix[0:2] == "80":
        address_type = "Private Key WIF"
    elif version_prefix[0:4] == "0142":
        address_type = "BIP-38 Encrypted Private Key"
    elif version_prefix[0:8] == "0488B21E":
        address_type = "BIP-32 Extended Public Key"

    if checksum_real == checksum_found:
        print("Address with type '%s' is a valid Bitcoin address." % address_type)
    else:
        print("Address with type %s is not a valid Bitcoin address." % address_type)