def test_against_myself():
"""
Test code that verifies against ourselves only. Useful but not so great.
"""
from pycoin.key import Key, msg_signing
from pycoin.encoding import bitcoin_address_to_hash160_sec_with_prefix
from pycoin.encoding import wif_to_tuple_of_secret_exponent_compressed
from pycoin.key.msg_signing import parse_signed_message
for wif, right_addr in [
('L4gXBvYrXHo59HLeyem94D9yLpRkURCHmCwQtPuWW9m6o1X8p8sp',
'1LsPb3D1o1Z7CzEt1kv5QVxErfqzXxaZXv'),
('5KYZdUEo39z3FPrtuX2QbbwGnNP5zTd7yyr2SC1j299sBCnWjss',
'1HZwkjkeaoZfTSaJxDw6aKkxp45agDiEzN'),
]:
se, comp = wif_to_tuple_of_secret_exponent_compressed(wif)
k = Key(secret_exponent=se, is_compressed=comp)
assert k.address() == right_addr
#print("\nAddr %s compressed=%s" % (right_addr, comp))
vk = Key(public_pair=k.public_pair(), is_compressed=comp)
assert vk.address() == right_addr
h160, pubpre = bitcoin_address_to_hash160_sec_with_prefix(right_addr)
vk2 = Key(hash160=h160)
assert vk2.address() == right_addr
for i in range(1, 30, 10):
msg = 'test message %s' % ('A'*i)
sig = msg_signing.sign_message(k, msg, verbose=1)
#print(sig)
assert right_addr in sig
# check parsing works
m,a,s = parse_signed_message(sig)
assert m == msg, m
assert a == right_addr, a
sig2 = msg_signing.sign_message(k, msg, verbose=0)
assert sig2 in sig, (sig, sig2)
assert s == sig2, s
ok = msg_signing.verify_message(k, sig2, msg)
#print("verifies: %s" % ("Ok" if ok else "WRONG"))
assert ok
def test_msg_parse():
"""
Test against real-world signatures found in the wild.
"""
from pycoin.key.msg_signing import parse_signed_message, verify_message
# Output from brainwallet in "multibit" mode.
multibit = '''
-----BEGIN BITCOIN SIGNED MESSAGE-----
This is an example of a signed message.
-----BEGIN BITCOIN SIGNATURE-----
Version: Bitcoin-qt (1.0)
Address: 1HZwkjkeaoZfTSaJxDw6aKkxp45agDiEzN
HCT1esk/TWlF/o9UNzLDANqsPXntkMErf7erIrjH5IBOZP98cNcmWmnW0GpSAi3wbr6CwpUAN4ctNn1T71UBwSc=
-----END BITCOIN SIGNATURE-----
'''
m,a,s = parse_signed_message(multibit)
assert m == 'This is an example of a signed message.'
assert a == '1HZwkjkeaoZfTSaJxDw6aKkxp45agDiEzN'
assert s == \
'HCT1esk/TWlF/o9UNzLDANqsPXntkMErf7erIrjH5IBOZP98cNcmWmnW0GpSAi3wbr6CwpUAN4ctNn1T71UBwSc='
ok = verify_message(a, s, m, netcode='BTC')
assert ok
# Sampled from: https://www.bitrated.com/u/Bit2c.txt on Sep 3/2014
bit2c = '''\
Username: Bit2c
Public key: 0396267072e597ad5d043db7c73e13af84a77a7212871f1aade607fb0f2f96e1a8
Public key address: 15etuU8kwLFCBbCNRsgQTvWgrGWY9829ej
URL: https://www.bitrated.com/u/Bit2c
-----BEGIN BITCOIN SIGNED MESSAGE-----
We will try to contact both parties to gather information and evidence, and do my best to make rightful judgement. Evidence may be submitted to us on https://www.bit2c.co.il/home/contact or in a private message to [email protected] or in any agreed way.
https://www.bit2c.co.il
-----BEGIN SIGNATURE-----
15etuU8kwLFCBbCNRsgQTvWgrGWY9829ej
H2utKkquLbyEJamGwUfS9J0kKT4uuMTEr2WX2dPU9YImg4LeRpyjBelrqEqfM4QC8pJ+hVlQgZI5IPpLyRNxvK8=
-----END BITCOIN SIGNED MESSAGE-----
'''
m,a,s = parse_signed_message(bit2c)
assert a == '15etuU8kwLFCBbCNRsgQTvWgrGWY9829ej'
assert s == 'H2utKkquLbyEJamGwUfS9J0kKT4uuMTEr2WX2dPU9YImg4LeRpyjBelrqEqfM4QC8pJ+hVlQgZI5IPpLyRNxvK8='
ok = verify_message(a, s, m, netcode='BTC')
assert ok
# testnet example
# Sampled from: http://testnet.bitrated.com/u/bearbin.txt on Sep 3/2014
# NOTE: Testnet3
bearbin = '''\
Username: bearbin
Public key: 03fc594c16779054fc5e119c309215c1f40f2ce104b0169cddeb6d20445bd28f67
Public key address: n2D9XsQX1mDpFGgYqsfmePTy61LJFQnXQM
URL: http://testnet.bitrated.com/u/bearbin
-----BEGIN BITCOIN SIGNED MESSAGE-----
Contact
-----------
[email protected] - Email or hangouts (text only).
/u/bearbin on reddit (slow response, not preferred for use with the service, just for contact).
Resolution Guidelines:
-----------------------------
* Evidence is needed. (e.g. pictures w/ proof that it's you).
* If anybody fails to respond, money goes to the other person after 2 weeks.
* Additional terms available on request.
Pricing
----------
* 0.7% Min 0.003 Max 0.15
* Payment in advance.
-----BEGIN SIGNATURE-----
n2D9XsQX1mDpFGgYqsfmePTy61LJFQnXQM
IEackZgifpBJs3SqQQ6leUwzvakTZgUKTDuCCn6rVMOQgHlIEzWSYZGQu2H+1chvu68uutzt04cGmsHy/kRIaEc=
-----END BITCOIN SIGNED MESSAGE-----
'''
m,a,s = parse_signed_message(bearbin)
assert a == 'n2D9XsQX1mDpFGgYqsfmePTy61LJFQnXQM'
assert s == 'IEackZgifpBJs3SqQQ6leUwzvakTZgUKTDuCCn6rVMOQgHlIEzWSYZGQu2H+1chvu68uutzt04cGmsHy/kRIaEc='
ok = verify_message(a, s, m, netcode='XTN')
assert ok