deterministic bitcoin address generator...

address.py

# I FOUND THIS HERE:
#
# https://bitcointalk.org/index.php?action=printpage;topic=84238.0

import ecdsa

secp256k1curve = ecdsa.ellipticcurve.CurveFp(115792089237316195423570985008687907853269984665640564039457584007908834671663, 0, 7)
secp256k1point = ecdsa.ellipticcurve.Point(secp256k1curve, 0x79BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798, 0x483ADA7726A3C4655DA4FBFC0E1108A8FD17B448A68554199C47D08FFB10D4B8, 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141)
secp256k1 = ecdsa.curves.Curve('secp256k1', secp256k1curve, secp256k1point, (1, 3, 132, 0, 10))

#--------------------------------------

import binascii
import hashlib
import json


def json_dump_for(phrase, count, start=1):
    print json.dumps(deterministic_addresses(phrase, count, start))


def print_addresses_for(phrase, count):
    addresses = deterministic_addresses(phrase, count)
    for (i, address) in addresses:
        print "{}: {}".format(i, address)


def deterministic_addresses(phrase, count, start=1):
    end = start + count
    return [(i, addy_from_phrase(phrase + str(i))) for i in range(start, end)]


def addy_from_phrase(phrase):
    pk = int(sha256_of_phrase(phrase), 16)
    return addy_from_int(pk)


def sha256_of_phrase(phrase):
    return hashlib.sha256(phrase).hexdigest()


def addy_from_int(pk):
    pko = ecdsa.SigningKey.from_secret_exponent(pk, secp256k1)
    pubkey = binascii.hexlify(pko.get_verifying_key().to_string())
    pubkey2 = hashlib.sha256(binascii.unhexlify('04' + pubkey)).hexdigest()
    pubkey3 = hashlib.new('ripemd160', binascii.unhexlify(pubkey2)).hexdigest()
    pubkey4 = hashlib.sha256(binascii.unhexlify('00' + pubkey3)).hexdigest()
    pubkey5 = hashlib.sha256(binascii.unhexlify(pubkey4)).hexdigest()
    pubkey6 = pubkey3 + pubkey5[:8]
    pubnum = int(pubkey6, 16)
    pubnumlist = []
    while pubnum != 0:
        pubnumlist.append(pubnum % 58)
        pubnum /= 58
    address = ''
    for l in ['123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'[x] for x in pubnumlist]:
        address = l + address
    return '1' + address