def test_segwit_create_tx(self):
from pycoin_grs.tx.tx_utils import create_tx, sign_tx
from pycoin_grs.tx.Spendable import Spendable
from pycoin_grs.tx.pay_to.ScriptPayToAddress import ScriptPayToAddress
from pycoin_grs.tx.pay_to.ScriptPayToAddressWit import ScriptPayToAddressWit
from pycoin_grs.ui import address_for_pay_to_script_wit, script_obj_from_address
key1 = Key(1)
coin_value = 5000000
script = ScriptPayToAddressWit(b'\0', key1.hash160()).script()
tx_hash = b'\ee' * 32
tx_out_index = 0
spendable = Spendable(coin_value, script, tx_hash, tx_out_index)
key2 = Key(2)
tx = create_tx([spendable], [(key2.address(), coin_value)])
self.check_unsigned(tx)
sign_tx(tx, [key1.wif()])
self.check_signed(tx)
self.assertEqual(len(tx.txs_in[0].witness), 2)
s1 = ScriptPayToAddress(key1.hash160()).script()
address = address_for_pay_to_script_wit(s1)
spendable.script = script_obj_from_address(address).script()
tx = create_tx([spendable], [(key2.address(), coin_value)])
self.check_unsigned(tx)
sign_tx(tx, [key1.wif()], p2sh_lookup=build_p2sh_lookup([s1]))
self.check_signed(tx)
def test_initial_key(self):
RECEIVING_ADDRESSES = [
"1LDkC1H438qSnJLHCYkQ3WTZQkSEwoYGHc",
"12mENAcc8ZhZbR6hv7LGm3jV7PwbYeF8Xk",
"1A3NpABFd6YHvwr1ti1r8brU3BzQuV2Nr4",
"1Gn6nWAoZrpmtV9zuNbyivWvRBpcygWaQX",
"1M5i5P3DhtDbnvSTfmnUbcrTVgF8GDWQW9"
]
CHANGE_ADDRESSES = [
"1iiAbyBTh1J69UzD1JcrfW8JSVJ9ve9gT",
"146wnqmsQNYCZ6AXRCqLkzZyGM1ZU6nr3F",
"1Mwexajvia3s8AcaGUkyEg9ZZJPJeTbKTZ"
]
wallet = ElectrumWallet(initial_key="00000000000000000000000000000001")
for idx, address in enumerate(RECEIVING_ADDRESSES):
subkey = wallet.subkey("%s/0" % idx)
calculated_address = subkey.address()
self.assertEqual(address, calculated_address)
wif = subkey.wif()
key = Key.from_text(wif)
self.assertEqual(key.address(use_uncompressed=True), address)
for idx, address in enumerate(CHANGE_ADDRESSES):
subkey = wallet.subkey("%s/1" % idx)
calculated_address = subkey.address()
self.assertEqual(address, calculated_address)
wif = subkey.wif()
key = Key.from_text(wif)
self.assertEqual(key.address(use_uncompressed=True), address)
def test_script_type_pay_to_public_pair(self):
for se in range(1, 100):
key = Key(secret_exponent=se)
for b in [True, False]:
st = ScriptPayToPublicKey.from_key(key, use_uncompressed=b)
addr = key.address(use_uncompressed=b)
self.assertEqual(st.address(), addr)
sc = st.script()
st = script_obj_from_script(sc)
self.assertEqual(st.address(), addr)
def test_script_type_pay_to_address(self):
for se in range(1, 100):
key = Key(secret_exponent=se)
for b in [True, False]:
addr = key.address(use_uncompressed=b)
st = script_obj_from_address(addr)
self.assertEqual(st.address(), addr)
sc = st.script()
st = script_obj_from_script(sc)
self.assertEqual(st.address(), addr)
def test_sign_verify(self):
private_key = Key(secret_exponent=1)
h = b"\x00" * 32
sig = private_key.sign(h)
self.assertTrue(private_key.verify(h, sig))
public_key = private_key.public_copy()
self.assertTrue(public_key.verify(h, sig))
h160_key = Key(hash160=private_key.hash160())
self.assertTrue(h160_key.verify(h, sig))
def test_solve_pay_to_public_pair(self):
for se in range(1, 10):
key = Key(secret_exponent=se)
for b in [True, False]:
addr = key.address(use_uncompressed=b)
st = ScriptPayToPublicKey.from_key(key, use_uncompressed=b)
self.assertEqual(st.address(), addr)
hl = build_hash160_lookup([se])
sv = 100
st.solve(hash160_lookup=hl,
signature_for_hash_type_f=const_f(sv),
signature_type=SIGHASH_ALL)
sc = st.script()
st = script_obj_from_script(sc)
self.assertEqual(st.address(), addr)
def test_pay_to_script_file(self):
the_dir = self.set_cache_dir()
p2sh_file = tempfile.NamedTemporaryFile()
p2sh_file.write(
"52210279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f817982102c60"
"47f9441ed7d6d3045406e95c07cd85c778e4b8cef3ca7abac09b95c709ee52102f9308a019258"
"c31049344f85f89d5229b531c845836f99b08601f113bce036f953ae\n".encode("utf8"))
p2sh_file.write(
"53210279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f817982102c60"
"47f9441ed7d6d3045406e95c07cd85c778e4b8cef3ca7abac09b95c709ee52102f9308a019258"
"c31049344f85f89d5229b531c845836f99b08601f113bce036f953ae\n".encode("utf8"))
p2sh_file.flush()
tx_source_hex = (
"01000000010000000000000000000000000000000000000000000000000000000000000000ffffffff0"
"0ffffffff0200f902950000000017a91415fc0754e73eb85d1cbce08786fadb7320ecb8dc8700f90295"
"0000000017a914594f349df0bac3084ffea8a477bba5f03dcd45078700000000")
self.launch_tool("tx -C %s" % tx_source_hex)
tx_to_sign = (
"01000000020a316ea8980ef9ba02f4e6637c88229bf059f39b06238d48d06a8e"
"f672aea2bb0000000000ffffffff0a316ea8980ef9ba02f4e6637c88229bf059"
"f39b06238d48d06a8ef672aea2bb0100000000ffffffff01f0ca052a01000000"
"1976a914751e76e8199196d454941c45d1b3a323f1433bd688ac0000000000f9"
"02950000000017a91415fc0754e73eb85d1cbce08786fadb7320ecb8dc8700f9"
"02950000000017a914594f349df0bac3084ffea8a477bba5f03dcd450787")
wifs = ' '.join(Key(_).wif() for _ in (1, 2, 3))
signed = tempfile.mktemp(suffix=".hex")
self.launch_tool("tx -a -P %s --db %s %s %s -o %s" % (
p2sh_file.name, tx_source_hex, tx_to_sign, wifs, signed), env=dict(PYCOIN_GRS_CACHE_DIR=the_dir))
tx = Tx.from_hex(open(signed).read())
self.assertEqual(tx.id(), "9d991ddccf77e33cb4584e4fc061a36da0da43589232b2e78a1aa0748ac3254b")
def test_sign_bitcoind_partially_signed_2_of_2(self):
# Finish signing a 2 of 2 transaction, that already has one signature signed by bitcoind
# This tx can be found on testnet3 blockchain
# txid: 9618820d7037d2f32db798c92665231cd4599326f5bd99cb59d0b723be2a13a2
raw_script = (
"522103e33b41f5ed67a77d4c4c54b3e946bd30d15b8f66e42cb29fde059c168851165521"
"02b92cb20a9fb1eb9656a74eeb7387636cf64cdf502ff50511830328c1b479986452ae"
)
p2sh_lookup = build_p2sh_lookup([h2b(raw_script)])
partially_signed_raw_tx = (
"010000000196238f11a5fd3ceef4efd5a186a7e6b9217d900418e72aca917cd6a6e634"
"e74100000000910047304402201b41b471d9dd93cf97eed7cfc39a5767a546f6bfbf3e"
"0c91ff9ad23ab9770f1f02205ce565666271d055be1f25a7e52e34cbf659f6c70770ff"
"59bd783a6fcd1be3dd0147522103e33b41f5ed67a77d4c4c54b3e946bd30d15b8f66e4"
"2cb29fde059c16885116552102b92cb20a9fb1eb9656a74eeb7387636cf64cdf502ff5"
"0511830328c1b479986452aeffffffff01a0bb0d00000000001976a9143b3beefd6f78"
"02fa8706983a76a51467bfa36f8b88ac00000000")
tx = Tx.from_hex(partially_signed_raw_tx)
tx_out = TxOut(1000000,
h2b("a914a10dfa21ee8c33b028b92562f6fe04e60563d3c087"))
tx.set_unspents([tx_out])
key = Key.from_text(
"cThRBRu2jAeshWL3sH3qbqdq9f4jDiDbd1SVz4qjTZD2xL1pdbsx")
hash160_lookup = build_hash160_lookup([key.secret_exponent()])
self.assertEqual(tx.bad_signature_count(), 1)
tx.sign(hash160_lookup=hash160_lookup, p2sh_lookup=p2sh_lookup)
self.assertEqual(tx.bad_signature_count(), 0)
self.assertEqual(
tx.id(),
"9618820d7037d2f32db798c92665231cd4599326f5bd99cb59d0b723be2a13a2")
def test_multisig_one_at_a_time(self):
M = 3
N = 3
keys = [Key(secret_exponent=i) for i in range(1, N + 2)]
tx_in = TxIn.coinbase_tx_in(script=b'')
script = ScriptMultisig(m=M, sec_keys=[key.sec()
for key in keys[:N]]).script()
tx_out = TxOut(1000000, script)
tx1 = Tx(version=1, txs_in=[tx_in], txs_out=[tx_out])
tx2 = tx_utils.create_tx(tx1.tx_outs_as_spendable(),
[keys[-1].address()])
ids = [
"403e5bfc59e097bb197bf77a692d158dd3a4f7affb4a1fa41072dafe7bec7058",
"5931d9995e83721243dca24772d7012afcd4378996a8b953c458175f15a544db",
"9bb4421088190bbbb5b42a9eaa9baed7ec7574a407c25f71992ba56ca43d9c44",
"03a1dc2a63f93a5cf5a7cb668658eb3fc2eda88c06dc287b85ba3e6aff751771"
]
for i in range(1, N + 1):
self.assertEqual(tx2.bad_signature_count(), 1)
self.assertEqual(tx2.id(), ids[i - 1])
hash160_lookup = build_hash160_lookup(key.secret_exponent()
for key in keys[i - 1:i])
tx2.sign(hash160_lookup=hash160_lookup)
self.assertEqual(tx2.id(), ids[i])
self.assertEqual(tx2.bad_signature_count(), 0)
def test_against_myself():
"""
Test code that verifies against ourselves only. Useful but not so great.
"""
from pycoin_grs.contrib.msg_signing import (
parse_signed_message, sign_message, verify_message)
from pycoin_grs.encoding import bitcoin_address_to_hash160_sec_with_prefix
from pycoin_grs.encoding import wif_to_tuple_of_secret_exponent_compressed
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
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 = sign_message(k, msg, verbose=1)
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 = sign_message(k, msg, verbose=0)
assert sig2 in sig, (sig, sig2)
assert s == sig2, s
ok = verify_message(k, sig2, msg)
assert ok
ok = verify_message(k, sig2.encode('ascii'), msg)
assert ok
def test_master_public_and_private(self):
# these addresses were generated by hand using electrum with a master public key
# corresponding to secret exponent 1
RECEIVING_ADDRESSES = [
"1AYPdHLna6bKFUbeXoAEVbaXUxifUwCMay",
"13UeuWJba5epizAKyfCfiFKY5Kbxfdxe7B",
"19f6KJUTL5AGBRvLBGiL6Zpcx53QA7zaKT",
"1Cm33VuSkoUETwx5nsF1wgmGqYwJZxpZdY",
"14Z6ErkETixQMUeivsYbrdoUFns2J1iSct",
]
CHANGE_ADDRESSES = [
"1JVYsmjrqSy1BKvo1gYpNjX7AYea74nQYe",
"1Cc7itfQaDqZK3vHYphFsySujQjBNba8mw",
"15wrXvrAnyv3usGeQRohnnZ8tz9XAekbag",
"1MnWCEjE5YiZpZrkP8HcXEeDqwg43RxLwu",
"1Fgyp3PUx9AAg8yJe1zGXHP5dVC6i1tXbs",
"12XTLd4u9jeqw4egLAUhoKLxHARCdKWkty"
]
k = Key(secret_exponent=1)
master_public_key = k.sec(use_uncompressed=True)[1:]
wallet = ElectrumWallet(master_public_key=master_public_key)
for idx, address in enumerate(RECEIVING_ADDRESSES):
subkey = wallet.subkey("%s/0" % idx)
calculated_address = subkey.address()
self.assertEqual(address, calculated_address)
for idx, address in enumerate(CHANGE_ADDRESSES):
subkey = wallet.subkey("%s/1" % idx)
calculated_address = subkey.address()
self.assertEqual(address, calculated_address)
wallet = ElectrumWallet(master_private_key=1)
for idx, address in enumerate(RECEIVING_ADDRESSES):
subkey = wallet.subkey("%s/0" % idx)
calculated_address = subkey.address()
self.assertEqual(address, calculated_address)
wif = subkey.wif()
key = Key.from_text(wif)
self.assertEqual(key.address(use_uncompressed=True), address)
for idx, address in enumerate(CHANGE_ADDRESSES):
subkey = wallet.subkey("%s/1" % idx)
calculated_address = subkey.address()
self.assertEqual(address, calculated_address)
wif = subkey.wif()
key = Key.from_text(wif)
self.assertEqual(key.address(use_uncompressed=True), address)
def test_repr(self):
from pycoin_grs.key import Key
netcode = 'XTN'
key = Key(secret_exponent=273, netcode=netcode)
wallet = BIP32Node.from_master_secret(bytes(key.wif().encode('ascii')),
netcode)
address = wallet.address()
pub_k = wallet.from_text(address)
self.assertEqual(repr(pub_k), '<myb5gZNXePNf2E2ksrjnHRFCwyuvt7oEay>')
wif = wallet.wif()
priv_k = wallet.from_text(wif)
self.assertEqual(
repr(priv_k),
'private_for <03ad094b1dc9fdce5d3648ca359b4e210a89d049532fdd39d9ccdd8ca393ac82f4>'
)
def test_is_wif_valid(self):
WIFS = ["KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFU73sVHnoWn",
"5HpHagT65TZzG1PH3CSu63k8DbpvD8s5ip4nEB3kEsreAnchuDf",
"KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFU74NMTptX4",
"5HpHagT65TZzG1PH3CSu63k8DbpvD8s5ip4nEB3kEsreAvUcVfH"]
for wif in WIFS:
self.assertEqual(is_wif_valid(wif), "BTC")
a = wif[:-1] + chr(ord(wif[-1])+1)
self.assertEqual(is_wif_valid(a), None)
NETWORK_NAMES = network_codes()
for netcode in NETWORK_NAMES:
for se in range(1, 10):
key = Key(secret_exponent=se, netcode=netcode)
for tv in [True, False]:
wif = key.wif(use_uncompressed=tv)
self.assertEqual(is_wif_valid(wif, allowable_netcodes=[netcode]), netcode)
a = wif[:-1] + chr(ord(wif[-1])+1)
self.assertEqual(is_wif_valid(a, allowable_netcodes=[netcode]), None)
def do_test(exp_hex, wif, c_wif, public_pair_sec, c_public_pair_sec,
address_b58, c_address_b58):
secret_exponent = int(exp_hex, 16)
sec = h2b(public_pair_sec)
c_sec = h2b(c_public_pair_sec)
keys_wif = [
Key(secret_exponent=secret_exponent),
Key.from_text(wif),
Key.from_text(c_wif),
]
key_sec = Key.from_sec(sec)
key_sec_c = Key.from_sec(c_sec)
keys_sec = [key_sec, key_sec_c]
for key in keys_wif:
self.assertEqual(key.secret_exponent(), secret_exponent)
self.assertEqual(key.public_copy().secret_exponent(), None)
repr(key)
if key._prefer_uncompressed:
self.assertEqual(key.wif(), wif)
else:
self.assertEqual(key.wif(), c_wif)
self.assertEqual(key.wif(use_uncompressed=True), wif)
self.assertEqual(key.wif(use_uncompressed=False), c_wif)
for key in keys_wif + keys_sec:
if key._prefer_uncompressed:
self.assertEqual(key.sec(), sec)
else:
self.assertEqual(key.sec(), c_sec)
self.assertEqual(key.sec(use_uncompressed=True), sec)
self.assertEqual(key.sec(use_uncompressed=False), c_sec)
if key._prefer_uncompressed:
self.assertEqual(key.address(), address_b58)
else:
self.assertEqual(key.address(), c_address_b58)
self.assertEqual(key.address(use_uncompressed=False),
c_address_b58)
self.assertEqual(key.address(use_uncompressed=True),
address_b58)
key_pub = Key.from_text(address_b58, is_compressed=False)
key_pub_c = Key.from_text(c_address_b58, is_compressed=True)
self.assertEqual(key_pub.address(), address_b58)
self.assertEqual(key_pub.address(use_uncompressed=True),
address_b58)
self.assertEqual(key_pub.address(use_uncompressed=False), None)
self.assertEqual(key_pub_c.address(), c_address_b58)
self.assertEqual(key_pub_c.address(use_uncompressed=True), None)
self.assertEqual(key_pub_c.address(use_uncompressed=False),
c_address_b58)
def parse_key(item, PREFIX_TRANSFORMS, network):
key = parse_prefixes(item, PREFIX_TRANSFORMS)
if key:
return key
if HASH160_RE.match(item):
return Key(hash160=h2b(item), netcode=network)
secret_exponent = parse_as_secret_exponent(item)
if secret_exponent:
return Key(secret_exponent=secret_exponent, netcode=network)
if SEC_RE.match(item):
return Key.from_sec(h2b(item))
public_pair = parse_as_public_pair(item)
if public_pair:
return Key(public_pair=public_pair, netcode=network)
return None
def test_key_limits(self):
nc = 'BTC'
cc = b'000102030405060708090a0b0c0d0e0f'
order = secp256k1_generator.order()
for k in -1, 0, order, order + 1:
self.assertRaises(InvalidSecretExponentError, Key, secret_exponent=k)
self.assertRaises(InvalidSecretExponentError, BIP32Node, nc, cc, secret_exponent=k)
for i in range(1, 512):
Key(secret_exponent=i)
BIP32Node(nc, cc, secret_exponent=i)
def parse_prefixes(item, PREFIX_TRANSFORMS):
for k, f in PREFIX_TRANSFORMS:
if item.startswith(k):
try:
return f(item[len(k):])
except Exception:
pass
try:
return Key.from_text(item)
except encoding.EncodingError:
pass
return None
def multisig_M_of_N_individually(self, M, N):
keys = [Key(secret_exponent=i) for i in range(1, N+2)]
tx_in = TxIn.coinbase_tx_in(script=b'')
script = ScriptMultisig(m=M, sec_keys=[key.sec() for key in keys[:N]]).script()
tx_out = TxOut(1000000, script)
tx1 = Tx(version=1, txs_in=[tx_in], txs_out=[tx_out])
for partial_key_list in itertools.permutations(keys[:N], M):
tx2 = create_tx(tx1.tx_outs_as_spendable(), [keys[-1].address()])
for key in partial_key_list:
self.assertEqual(tx2.bad_signature_count(), 1)
hash160_lookup = build_hash160_lookup([key.secret_exponent()])
tx2.sign(hash160_lookup=hash160_lookup)
self.assertEqual(tx2.bad_signature_count(), 0)
def key_found(arg, payables, key_iters):
try:
key = Key.from_text(arg)
# TODO: check network
if key.wif() is None:
payables.append((key.address(), 0))
return True
key_iters.append(iter([key.wif()]))
return True
except Exception:
pass
return False
def multisig_M_of_N(self, M, N, unsigned_id, signed_id):
keys = [Key(secret_exponent=i) for i in range(1, N+2)]
tx_in = TxIn.coinbase_tx_in(script=b'')
script = ScriptMultisig(m=M, sec_keys=[key.sec() for key in keys[:N]]).script()
tx_out = TxOut(1000000, script)
tx1 = Tx(version=1, txs_in=[tx_in], txs_out=[tx_out])
tx2 = tx_utils.create_tx(tx1.tx_outs_as_spendable(), [keys[-1].address()])
self.assertEqual(tx2.id(), unsigned_id)
self.assertEqual(tx2.bad_signature_count(), 1)
hash160_lookup = build_hash160_lookup(key.secret_exponent() for key in keys)
tx2.sign(hash160_lookup=hash160_lookup)
self.assertEqual(tx2.id(), signed_id)
self.assertEqual(tx2.bad_signature_count(), 0)
self.assertEqual(sorted(who_signed.who_signed_tx(tx2, 0)),
sorted(((key.address(), SIGHASH_ALL) for key in keys[:M])))
def check_tx_can_be_signed(self,
tx_u,
tx_s,
private_keys=[],
p2sh_values=[]):
tx_u_prime = self.unsigned_copy(tx_s)
tx_s_hex = tx_s.as_hex()
tx_u_prime.set_unspents(tx_s.unspents)
tx_u_prime.sign(hash160_lookup=LazySecretExponentDB(
[Key(pk).wif() for pk in private_keys], {}),
p2sh_lookup=build_p2sh_lookup(
[h2b(x) for x in p2sh_values]))
self.check_signed(tx_u_prime)
tx_hex = tx_u_prime.as_hex()
self.assertEqual(tx_hex, tx_s_hex)
def subkey(self, path):
"""
path:
of the form "K" where K is an integer index, or "K/N" where N is usually
a 0 (deposit address) or 1 (change address)
"""
t = path.split("/")
if len(t) == 2:
n, for_change = t
else:
n, = t
for_change = 0
b = (str(n) + ':' + str(for_change) +
':').encode("utf8") + self.master_public_key()
offset = from_bytes_32(double_sha256(b))
if self.master_private_key():
return Key(secret_exponent=((self.master_private_key() + offset) %
ORDER),
prefer_uncompressed=True)
p1 = offset * ecdsa.generator_secp256k1
x, y = self.public_pair()
p2 = ecdsa.Point(ecdsa.generator_secp256k1.curve(), x, y, ORDER)
p = p1 + p2
return Key(public_pair=p.pair(), prefer_uncompressed=True)
def test_sign_pay_to_script_multisig(self):
M, N = 3, 3
keys = [Key(secret_exponent=i) for i in range(1, N+2)]
tx_in = TxIn.coinbase_tx_in(script=b'')
underlying_script = ScriptMultisig(m=M, sec_keys=[key.sec() for key in keys[:N]]).script()
address = address_for_pay_to_script(underlying_script)
self.assertEqual(address, "39qEwuwyb2cAX38MFtrNzvq3KV9hSNov3q")
script = standard_tx_out_script(address)
tx_out = TxOut(1000000, script)
tx1 = Tx(version=1, txs_in=[tx_in], txs_out=[tx_out])
tx2 = tx_utils.create_tx(tx1.tx_outs_as_spendable(), [address])
hash160_lookup = build_hash160_lookup(key.secret_exponent() for key in keys[:N])
p2sh_lookup = build_p2sh_lookup([underlying_script])
tx2.sign(hash160_lookup=hash160_lookup, p2sh_lookup=p2sh_lookup)
self.assertEqual(tx2.bad_signature_count(), 0)
self.assertRaises(who_signed.NoAddressesForScriptTypeError, who_signed.who_signed_tx, tx2, 0)
def test_repr(self):
key = Key(secret_exponent=273, netcode='XTN')
address = key.address()
pub_k = Key.from_text(address)
self.assertEqual(repr(pub_k), '<mhDVBkZBWLtJkpbszdjZRkH1o5RZxMwxca>')
wif = key.wif()
priv_k = Key.from_text(wif)
self.assertEqual(
repr(priv_k),
'private_for <0264e1b1969f9102977691a40431b0b672055dcf31163897d996434420e6c95dc9>')
def test_points(self):
secp256k1_curve = secp256k1_generator.curve()
# From <https://crypto.stackexchange.com/questions/784/are-there-any-secp256k1-ecdsa-test-examples-available>
test_points = []
k = 1
x = 0x79BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798
y = 0x483ADA7726A3C4655DA4FBFC0E1108A8FD17B448A68554199C47D08FFB10D4B8
test_points.append((k, x, y))
k = 2
x = 0xC6047F9441ED7D6D3045406E95C07CD85C778E4B8CEF3CA7ABAC09B95C709EE5
y = 0x1AE168FEA63DC339A3C58419466CEAEEF7F632653266D0E1236431A950CFE52A
test_points.append((k, x, y))
k = 3
x = 0xF9308A019258C31049344F85F89D5229B531C845836F99B08601F113BCE036F9
y = 0x388F7B0F632DE8140FE337E62A37F3566500A99934C2231B6CB9FD7584B8E672
test_points.append((k, x, y))
k = 4
x = 0xE493DBF1C10D80F3581E4904930B1404CC6C13900EE0758474FA94ABE8C4CD13
y = 0x51ED993EA0D455B75642E2098EA51448D967AE33BFBDFE40CFE97BDC47739922
test_points.append((k, x, y))
k = 5
x = 0x2F8BDE4D1A07209355B4A7250A5C5128E88B84BDDC619AB7CBA8D569B240EFE4
y = 0xD8AC222636E5E3D6D4DBA9DDA6C9C426F788271BAB0D6840DCA87D3AA6AC62D6
test_points.append((k, x, y))
k = 6
x = 0xFFF97BD5755EEEA420453A14355235D382F6472F8568A18B2F057A1460297556
y = 0xAE12777AACFBB620F3BE96017F45C560DE80F0F6518FE4A03C870C36B075F297
test_points.append((k, x, y))
k = 7
x = 0x5CBDF0646E5DB4EAA398F365F2EA7A0E3D419B7E0330E39CE92BDDEDCAC4F9BC
y = 0x6AEBCA40BA255960A3178D6D861A54DBA813D0B813FDE7B5A5082628087264DA
test_points.append((k, x, y))
k = 8
x = 0x2F01E5E15CCA351DAFF3843FB70F3C2F0A1BDD05E5AF888A67784EF3E10A2A01
y = 0x5C4DA8A741539949293D082A132D13B4C2E213D6BA5B7617B5DA2CB76CBDE904
test_points.append((k, x, y))
k = 9
x = 0xACD484E2F0C7F65309AD178A9F559ABDE09796974C57E714C35F110DFC27CCBE
y = 0xCC338921B0A7D9FD64380971763B61E9ADD888A4375F8E0F05CC262AC64F9C37
test_points.append((k, x, y))
k = 10
x = 0xA0434D9E47F3C86235477C7B1AE6AE5D3442D49B1943C2B752A68E2A47E247C7
y = 0x893ABA425419BC27A3B6C7E693A24C696F794C2ED877A1593CBEE53B037368D7
test_points.append((k, x, y))
k = 11
x = 0x774AE7F858A9411E5EF4246B70C65AAC5649980BE5C17891BBEC17895DA008CB
y = 0xD984A032EB6B5E190243DD56D7B7B365372DB1E2DFF9D6A8301D74C9C953C61B
test_points.append((k, x, y))
k = 12
x = 0xD01115D548E7561B15C38F004D734633687CF4419620095BC5B0F47070AFE85A
y = 0xA9F34FFDC815E0D7A8B64537E17BD81579238C5DD9A86D526B051B13F4062327
test_points.append((k, x, y))
k = 13
x = 0xF28773C2D975288BC7D1D205C3748651B075FBC6610E58CDDEEDDF8F19405AA8
y = 0x0AB0902E8D880A89758212EB65CDAF473A1A06DA521FA91F29B5CB52DB03ED81
test_points.append((k, x, y))
k = 14
x = 0x499FDF9E895E719CFD64E67F07D38E3226AA7B63678949E6E49B241A60E823E4
y = 0xCAC2F6C4B54E855190F044E4A7B3D464464279C27A3F95BCC65F40D403A13F5B
test_points.append((k, x, y))
k = 15
x = 0xD7924D4F7D43EA965A465AE3095FF41131E5946F3C85F79E44ADBCF8E27E080E
y = 0x581E2872A86C72A683842EC228CC6DEFEA40AF2BD896D3A5C504DC9FF6A26B58
test_points.append((k, x, y))
k = 16
x = 0xE60FCE93B59E9EC53011AABC21C23E97B2A31369B87A5AE9C44EE89E2A6DEC0A
y = 0xF7E3507399E595929DB99F34F57937101296891E44D23F0BE1F32CCE69616821
test_points.append((k, x, y))
k = 17
x = 0xDEFDEA4CDB677750A420FEE807EACF21EB9898AE79B9768766E4FAA04A2D4A34
y = 0x4211AB0694635168E997B0EAD2A93DAECED1F4A04A95C0F6CFB199F69E56EB77
test_points.append((k, x, y))
k = 18
x = 0x5601570CB47F238D2B0286DB4A990FA0F3BA28D1A319F5E7CF55C2A2444DA7CC
y = 0xC136C1DC0CBEB930E9E298043589351D81D8E0BC736AE2A1F5192E5E8B061D58
test_points.append((k, x, y))
k = 19
x = 0x2B4EA0A797A443D293EF5CFF444F4979F06ACFEBD7E86D277475656138385B6C
y = 0x85E89BC037945D93B343083B5A1C86131A01F60C50269763B570C854E5C09B7A
test_points.append((k, x, y))
k = 20
x = 0x4CE119C96E2FA357200B559B2F7DD5A5F02D5290AFF74B03F3E471B273211C97
y = 0x12BA26DCB10EC1625DA61FA10A844C676162948271D96967450288EE9233DC3A
test_points.append((k, x, y))
k = 112233445566778899
x = 0xA90CC3D3F3E146DAADFC74CA1372207CB4B725AE708CEF713A98EDD73D99EF29
y = 0x5A79D6B289610C68BC3B47F3D72F9788A26A06868B4D8E433E1E2AD76FB7DC76
test_points.append((k, x, y))
k = 112233445566778899112233445566778899
x = 0xE5A2636BCFD412EBF36EC45B19BFB68A1BC5F8632E678132B885F7DF99C5E9B3
y = 0x736C1CE161AE27B405CAFD2A7520370153C2C861AC51D6C1D5985D9606B45F39
test_points.append((k, x, y))
k = 28948022309329048855892746252171976963209391069768726095651290785379540373584
x = 0xA6B594B38FB3E77C6EDF78161FADE2041F4E09FD8497DB776E546C41567FEB3C
y = 0x71444009192228730CD8237A490FEBA2AFE3D27D7CC1136BC97E439D13330D55
test_points.append((k, x, y))
k = 57896044618658097711785492504343953926418782139537452191302581570759080747168
x = 0x00000000000000000000003B78CE563F89A0ED9414F5AA28AD0D96D6795F9C63
y = 0x3F3979BF72AE8202983DC989AEC7F2FF2ED91BDD69CE02FC0700CA100E59DDF3
test_points.append((k, x, y))
k = 86844066927987146567678238756515930889628173209306178286953872356138621120752
x = 0xE24CE4BEEE294AA6350FAA67512B99D388693AE4E7F53D19882A6EA169FC1CE1
y = 0x8B71E83545FC2B5872589F99D948C03108D36797C4DE363EBD3FF6A9E1A95B10
test_points.append((k, x, y))
k = 115792089237316195423570985008687907852837564279074904382605163141518161494317
x = 0x4CE119C96E2FA357200B559B2F7DD5A5F02D5290AFF74B03F3E471B273211C97
y = 0xED45D9234EF13E9DA259E05EF57BB3989E9D6B7D8E269698BAFD77106DCC1FF5
test_points.append((k, x, y))
k = 115792089237316195423570985008687907852837564279074904382605163141518161494318
x = 0x2B4EA0A797A443D293EF5CFF444F4979F06ACFEBD7E86D277475656138385B6C
y = 0x7A17643FC86BA26C4CBCF7C4A5E379ECE5FE09F3AFD9689C4A8F37AA1A3F60B5
test_points.append((k, x, y))
k = 115792089237316195423570985008687907852837564279074904382605163141518161494319
x = 0x5601570CB47F238D2B0286DB4A990FA0F3BA28D1A319F5E7CF55C2A2444DA7CC
y = 0x3EC93E23F34146CF161D67FBCA76CAE27E271F438C951D5E0AE6D1A074F9DED7
test_points.append((k, x, y))
k = 115792089237316195423570985008687907852837564279074904382605163141518161494320
x = 0xDEFDEA4CDB677750A420FEE807EACF21EB9898AE79B9768766E4FAA04A2D4A34
y = 0xBDEE54F96B9CAE9716684F152D56C251312E0B5FB56A3F09304E660861A910B8
test_points.append((k, x, y))
k = 115792089237316195423570985008687907852837564279074904382605163141518161494321
x = 0xE60FCE93B59E9EC53011AABC21C23E97B2A31369B87A5AE9C44EE89E2A6DEC0A
y = 0x081CAF8C661A6A6D624660CB0A86C8EFED6976E1BB2DC0F41E0CD330969E940E
test_points.append((k, x, y))
k = 115792089237316195423570985008687907852837564279074904382605163141518161494322
x = 0xD7924D4F7D43EA965A465AE3095FF41131E5946F3C85F79E44ADBCF8E27E080E
y = 0xA7E1D78D57938D597C7BD13DD733921015BF50D427692C5A3AFB235F095D90D7
test_points.append((k, x, y))
k = 115792089237316195423570985008687907852837564279074904382605163141518161494323
x = 0x499FDF9E895E719CFD64E67F07D38E3226AA7B63678949E6E49B241A60E823E4
y = 0x353D093B4AB17AAE6F0FBB1B584C2B9BB9BD863D85C06A4339A0BF2AFC5EBCD4
test_points.append((k, x, y))
k = 115792089237316195423570985008687907852837564279074904382605163141518161494324
x = 0xF28773C2D975288BC7D1D205C3748651B075FBC6610E58CDDEEDDF8F19405AA8
y = 0xF54F6FD17277F5768A7DED149A3250B8C5E5F925ADE056E0D64A34AC24FC0EAE
test_points.append((k, x, y))
k = 115792089237316195423570985008687907852837564279074904382605163141518161494325
x = 0xD01115D548E7561B15C38F004D734633687CF4419620095BC5B0F47070AFE85A
y = 0x560CB00237EA1F285749BAC81E8427EA86DC73A2265792AD94FAE4EB0BF9D908
test_points.append((k, x, y))
k = 115792089237316195423570985008687907852837564279074904382605163141518161494326
x = 0x774AE7F858A9411E5EF4246B70C65AAC5649980BE5C17891BBEC17895DA008CB
y = 0x267B5FCD1494A1E6FDBC22A928484C9AC8D24E1D20062957CFE28B3536AC3614
test_points.append((k, x, y))
k = 115792089237316195423570985008687907852837564279074904382605163141518161494327
x = 0xA0434D9E47F3C86235477C7B1AE6AE5D3442D49B1943C2B752A68E2A47E247C7
y = 0x76C545BDABE643D85C4938196C5DB3969086B3D127885EA6C3411AC3FC8C9358
test_points.append((k, x, y))
k = 115792089237316195423570985008687907852837564279074904382605163141518161494328
x = 0xACD484E2F0C7F65309AD178A9F559ABDE09796974C57E714C35F110DFC27CCBE
y = 0x33CC76DE4F5826029BC7F68E89C49E165227775BC8A071F0FA33D9D439B05FF8
test_points.append((k, x, y))
k = 115792089237316195423570985008687907852837564279074904382605163141518161494329
x = 0x2F01E5E15CCA351DAFF3843FB70F3C2F0A1BDD05E5AF888A67784EF3E10A2A01
y = 0xA3B25758BEAC66B6D6C2F7D5ECD2EC4B3D1DEC2945A489E84A25D3479342132B
test_points.append((k, x, y))
k = 115792089237316195423570985008687907852837564279074904382605163141518161494330
x = 0x5CBDF0646E5DB4EAA398F365F2EA7A0E3D419B7E0330E39CE92BDDEDCAC4F9BC
y = 0x951435BF45DAA69F5CE8729279E5AB2457EC2F47EC02184A5AF7D9D6F78D9755
test_points.append((k, x, y))
k = 115792089237316195423570985008687907852837564279074904382605163141518161494331
x = 0xFFF97BD5755EEEA420453A14355235D382F6472F8568A18B2F057A1460297556
y = 0x51ED8885530449DF0C4169FE80BA3A9F217F0F09AE701B5FC378F3C84F8A0998
test_points.append((k, x, y))
k = 115792089237316195423570985008687907852837564279074904382605163141518161494332
x = 0x2F8BDE4D1A07209355B4A7250A5C5128E88B84BDDC619AB7CBA8D569B240EFE4
y = 0x2753DDD9C91A1C292B24562259363BD90877D8E454F297BF235782C459539959
test_points.append((k, x, y))
k = 115792089237316195423570985008687907852837564279074904382605163141518161494333
x = 0xE493DBF1C10D80F3581E4904930B1404CC6C13900EE0758474FA94ABE8C4CD13
y = 0xAE1266C15F2BAA48A9BD1DF6715AEBB7269851CC404201BF30168422B88C630D
test_points.append((k, x, y))
k = 115792089237316195423570985008687907852837564279074904382605163141518161494334
x = 0xF9308A019258C31049344F85F89D5229B531C845836F99B08601F113BCE036F9
y = 0xC77084F09CD217EBF01CC819D5C80CA99AFF5666CB3DDCE4934602897B4715BD
test_points.append((k, x, y))
k = 115792089237316195423570985008687907852837564279074904382605163141518161494335
x = 0xC6047F9441ED7D6D3045406E95C07CD85C778E4B8CEF3CA7ABAC09B95C709EE5
y = 0xE51E970159C23CC65C3A7BE6B99315110809CD9ACD992F1EDC9BCE55AF301705
test_points.append((k, x, y))
k = 115792089237316195423570985008687907852837564279074904382605163141518161494336
x = 0x79BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798
y = 0xB7C52588D95C3B9AA25B0403F1EEF75702E84BB7597AABE663B82F6F04EF2777
test_points.append((k, x, y))
k = 0xaa5e28d6a97a2479a65527f7290311a3624d4cc0fa1578598ee3c2613bf99522
x = 0x34f9460f0e4f08393d192b3c5133a6ba099aa0ad9fd54ebccfacdfa239ff49c6
y = 0x0b71ea9bd730fd8923f6d25a7a91e7dd7728a960686cb5a901bb419e0f2ca232
test_points.append((k, x, y))
k = 0x7e2b897b8cebc6361663ad410835639826d590f393d90a9538881735256dfae3
x = 0xd74bf844b0862475103d96a611cf2d898447e288d34b360bc885cb8ce7c00575
y = 0x131c670d414c4546b88ac3ff664611b1c38ceb1c21d76369d7a7a0969d61d97d
test_points.append((k, x, y))
k = 0x6461e6df0fe7dfd05329f41bf771b86578143d4dd1f7866fb4ca7e97c5fa945d
x = 0xe8aecc370aedd953483719a116711963ce201ac3eb21d3f3257bb48668c6a72f
y = 0xc25caf2f0eba1ddb2f0f3f47866299ef907867b7d27e95b3873bf98397b24ee1
test_points.append((k, x, y))
k = 0x376a3a2cdcd12581efff13ee4ad44c4044b8a0524c42422a7e1e181e4deeccec
x = 0x14890e61fcd4b0bd92e5b36c81372ca6fed471ef3aa60a3e415ee4fe987daba1
y = 0x297b858d9f752ab42d3bca67ee0eb6dcd1c2b7b0dbe23397e66adc272263f982
test_points.append((k, x, y))
k = 0x1b22644a7be026548810c378d0b2994eefa6d2b9881803cb02ceff865287d1b9
x = 0xf73c65ead01c5126f28f442d087689bfa08e12763e0cec1d35b01751fd735ed3
y = 0xf449a8376906482a84ed01479bd18882b919c140d638307f0c0934ba12590bde
test_points.append((k, x, y))
for k, x, y in test_points:
self.assertTrue(secp256k1_curve.contains_point(x, y))
K = Key(public_pair=(x, y))
k = Key(secret_exponent=k)
self.assertEqual(K.public_pair(), k.public_pair())
self.assertRaises(ValueError, lambda: secp256k1_curve.Point(0, 0))
self.assertRaises(InvalidPublicPairError, Key, public_pair=(0, 0))
def _test_sighash_single(self, netcode):
k0 = Key(secret_exponent=PRIV_KEYS[0],
is_compressed=True,
netcode=netcode)
k1 = Key(secret_exponent=PRIV_KEYS[1],
is_compressed=True,
netcode=netcode)
k2 = Key(secret_exponent=PRIV_KEYS[2],
is_compressed=True,
netcode=netcode)
k3 = Key(secret_exponent=PRIV_KEYS[3],
is_compressed=True,
netcode=netcode)
k4 = Key(secret_exponent=PRIV_KEYS[4],
is_compressed=True,
netcode=netcode)
k5 = Key(secret_exponent=PRIV_KEYS[5],
is_compressed=True,
netcode=netcode)
# Fake a coinbase transaction
coinbase_tx = Tx.coinbase_tx(k0.sec(), 500000000)
coinbase_tx.txs_out.append(
TxOut(1000000000,
pycoin_grs_compile('%s OP_CHECKSIG' % b2h(k1.sec()))))
coinbase_tx.txs_out.append(
TxOut(1000000000,
pycoin_grs_compile('%s OP_CHECKSIG' % b2h(k2.sec()))))
self.assertEqual(
'2acbe1006f7168bad538b477f7844e53de3a31ffddfcfc4c6625276dd714155a',
b2h_rev(coinbase_tx.hash()))
# Make the test transaction
txs_in = [
TxIn(coinbase_tx.hash(), 0),
TxIn(coinbase_tx.hash(), 1),
TxIn(coinbase_tx.hash(), 2),
]
txs_out = [
TxOut(900000000, standard_tx_out_script(k3.address())),
TxOut(800000000, standard_tx_out_script(k4.address())),
TxOut(800000000, standard_tx_out_script(k5.address())),
]
tx = Tx(1, txs_in, txs_out)
tx.set_unspents(coinbase_tx.txs_out)
self.assertEqual(
'791b98ef0a3ac87584fe273bc65abd89821569fd7c83538ac0625a8ca85ba587',
b2h_rev(tx.hash()))
sig_type = SIGHASH_SINGLE
sig_hash = tx.signature_hash(coinbase_tx.txs_out[0].script, 0,
sig_type)
self.assertEqual(
'cc52d785a3b4133504d1af9e60cd71ca422609cb41df3a08bbb466b2a98a885e',
b2h(to_bytes_32(sig_hash)))
sig = sigmake(k0, sig_hash, sig_type)
self.assertTrue(sigcheck(k0, sig_hash, sig[:-1]))
tx.txs_in[0].script = pycoin_grs_compile(b2h(sig))
self.assertTrue(tx.is_signature_ok(0))
sig_hash = tx.signature_hash(coinbase_tx.txs_out[1].script, 1,
sig_type)
self.assertEqual(
'93bb883d70fccfba9b8aa2028567aca8357937c65af7f6f5ccc6993fd7735fb7',
b2h(to_bytes_32(sig_hash)))
sig = sigmake(k1, sig_hash, sig_type)
self.assertTrue(sigcheck(k1, sig_hash, sig[:-1]))
tx.txs_in[1].script = pycoin_grs_compile(b2h(sig))
self.assertTrue(tx.is_signature_ok(1))
sig_hash = tx.signature_hash(coinbase_tx.txs_out[2].script, 2,
sig_type)
self.assertEqual(
'53ef7f67c3541bffcf4e0d06c003c6014e2aa1fb38ff33240b3e1c1f3f8e2a35',
b2h(to_bytes_32(sig_hash)))
sig = sigmake(k2, sig_hash, sig_type)
self.assertTrue(sigcheck(k2, sig_hash, sig[:-1]))
tx.txs_in[2].script = pycoin_grs_compile(b2h(sig))
self.assertTrue(tx.is_signature_ok(2))
sig_type = SIGHASH_SINGLE | SIGHASH_ANYONECANPAY
sig_hash = tx.signature_hash(coinbase_tx.txs_out[0].script, 0,
sig_type)
self.assertEqual(
'2003393d246a7f136692ce7ab819c6eadc54ffea38eb4377ac75d7d461144e75',
b2h(to_bytes_32(sig_hash)))
sig = sigmake(k0, sig_hash, sig_type)
self.assertTrue(sigcheck(k0, sig_hash, sig[:-1]))
tx.txs_in[0].script = pycoin_grs_compile(b2h(sig))
self.assertTrue(tx.is_signature_ok(0))
sig_hash = tx.signature_hash(coinbase_tx.txs_out[1].script, 1,
sig_type)
self.assertEqual(
'e3f469ac88e9f35e8eff0bd8ad4ad3bf899c80eb7645947d60860de4a08a35df',
b2h(to_bytes_32(sig_hash)))
sig = sigmake(k1, sig_hash, sig_type)
self.assertTrue(sigcheck(k1, sig_hash, sig[:-1]))
tx.txs_in[1].script = pycoin_grs_compile(b2h(sig))
self.assertTrue(tx.is_signature_ok(1))
sig_hash = tx.signature_hash(coinbase_tx.txs_out[2].script, 2,
sig_type)
self.assertEqual(
'bacd7c3ab79cad71807312677c1788ad9565bf3c00ab9a153d206494fb8b7e6a',
b2h(to_bytes_32(sig_hash)))
sig = sigmake(k2, sig_hash, sig_type)
self.assertTrue(sigcheck(k2, sig_hash, sig[:-1]))
tx.txs_in[2].script = pycoin_grs_compile(b2h(sig))
self.assertTrue(tx.is_signature_ok(2))
def change_prefix(address, new_prefix):
return hash160_sec_to_bitcoin_address(Key.from_text(address).hash160(), address_prefix=new_prefix)
def make_key(x):
try:
return Key.from_text(x)
except Exception:
return None
