def test_loop(self):
loop = asyncio.get_event_loop()
responder_shaked = asyncio.Event()
server_shaked = asyncio.Event()
responder_key = ECPrivkey.generate_random_key()
initiator_key = ECPrivkey.generate_random_key()
async def cb(reader, writer):
t = LNResponderTransport(responder_key.get_secret_bytes(), reader, writer)
self.assertEqual(await t.handshake(), initiator_key.get_public_key_bytes())
t.send_bytes(b'hello from server')
self.assertEqual(await t.read_messages().__anext__(), b'hello from client')
responder_shaked.set()
server_future = asyncio.ensure_future(asyncio.start_server(cb, '127.0.0.1', 42898))
loop.run_until_complete(server_future)
server = server_future.result() # type: asyncio.Server
async def connect():
peer_addr = LNPeerAddr('127.0.0.1', 42898, responder_key.get_public_key_bytes())
t = LNTransport(initiator_key.get_secret_bytes(), peer_addr)
await t.handshake()
t.send_bytes(b'hello from client')
self.assertEqual(await t.read_messages().__anext__(), b'hello from server')
server_shaked.set()
try:
connect_future = asyncio.ensure_future(connect())
loop.run_until_complete(responder_shaked.wait())
loop.run_until_complete(server_shaked.wait())
finally:
server.close()
loop.run_until_complete(server.wait_closed())
def __init__(self, parent, title_label: str, pin_label: str,
qr_data: dict):
super().__init__()
self.parent = parent
self.pubkey = ECPrivkey(
short_mnemonic.entropy_to_privkey(
qr_data['entropy'])).get_public_key_hex()
qr = QRCodeWidget(self.prepare_qr_data_for_display(qr_data))
self.edit = QLineEdit()
self.edit.setMaxLength(4)
self.edit.setFixedWidth(50)
self.edit.setFont(QFont("Monospace"))
self.edit.textChanged.connect(self._on_change)
self.addWidget(title_label, alignment=Qt.AlignCenter)
self.addWidget(qr, alignment=Qt.AlignCenter)
self.addWidget(pin_label, alignment=Qt.AlignCenter)
self.addWidget(self.edit, alignment=Qt.AlignCenter)
def keypair():
priv = ECPrivkey.generate_random_key().get_secret_bytes()
k1 = Keypair(pubkey=privkey_to_pubkey(priv), privkey=priv)
return k1
from bitcoin.core.key import use_libsecp256k1_for_signing
from bitcoin.core import x, b2x
from bitcoin.wallet import CBitcoinSecret
from electrum.ecc import ECPrivkey
from electrum.bitcoin import EncodeBase58Check
use_libsecp256k1_for_signing(True)
sechex = '535b755a4c265772c4f6c7e0316bfd21e24c9e47441989e14e8133c7cb2f41a3'
hashhex = '9039c54c1c34aa12b69b4dda962f501bb6c9cdb6745014ef326f5d4d0472aa99'
seckey = CBitcoinSecret.from_secret_bytes(x(sechex))
sig = seckey.sign(x(hashhex))
b_wif = str(seckey)
b_pub = b2x(seckey.pub)
b_sig = b2x(sig)
seckey = ECPrivkey(x(sechex))
sig = seckey.sign_transaction(x(hashhex))
e_wif = EncodeBase58Check(b'\x80' + seckey.get_secret_bytes() + b'\x01')
e_pub = seckey.get_public_key_hex(compressed=True)
e_sig = b2x(sig)
assert b_wif == e_wif
assert b_pub == e_pub
print("wif:", b_wif)
print("pub:", b_pub)
print("sighash:", hashhex)
print("bitcoinlib sig:", b_sig)
print("electrum sig: ", e_sig)
def test_loop(self):
loop = asyncio.get_event_loop()
responder_shaked = asyncio.Event()
server_shaked = asyncio.Event()
responder_key = ECPrivkey.generate_random_key()
initiator_key = ECPrivkey.generate_random_key()
messages_sent_by_client = [
b'hello from client',
b'long data from client ' + bytes(range(256)) * 100 +
b'... client done',
b'client is running out of things to say',
]
messages_sent_by_server = [
b'hello from server',
b'hello2 from server',
b'long data from server ' + bytes(range(256)) * 100 +
b'... server done',
]
async def read_messages(transport, expected_messages):
ctr = 0
async for msg in transport.read_messages():
self.assertEqual(expected_messages[ctr], msg)
ctr += 1
if ctr == len(expected_messages):
return
async def write_messages(transport, expected_messages):
for msg in expected_messages:
transport.send_bytes(msg)
await asyncio.sleep(0.01)
async def cb(reader, writer):
t = LNResponderTransport(responder_key.get_secret_bytes(), reader,
writer)
self.assertEqual(await t.handshake(),
initiator_key.get_public_key_bytes())
async with OldTaskGroup() as group:
await group.spawn(read_messages(t, messages_sent_by_client))
await group.spawn(write_messages(t, messages_sent_by_server))
responder_shaked.set()
async def connect():
peer_addr = LNPeerAddr('127.0.0.1', 42898,
responder_key.get_public_key_bytes())
t = LNTransport(initiator_key.get_secret_bytes(),
peer_addr,
proxy=None)
await t.handshake()
async with OldTaskGroup() as group:
await group.spawn(read_messages(t, messages_sent_by_server))
await group.spawn(write_messages(t, messages_sent_by_client))
server_shaked.set()
async def f():
server = await asyncio.start_server(cb, '127.0.0.1', 42898)
try:
async with OldTaskGroup() as group:
await group.spawn(connect())
await group.spawn(responder_shaked.wait())
await group.spawn(server_shaked.wait())
finally:
server.close()
await server.wait_closed()
loop.run_until_complete(f())
def seed_to_keypair(seed: List[str]) -> Tuple[bytes, str]:
privkey = seed_to_privkey(seed)
pubkey = ECPrivkey(privkey).get_public_key_hex()
keypair = (privkey, pubkey)
del privkey, pubkey
return keypair
# Basic constants to build the TXNIN
wif = 'cQNjiPwYKMBr2oB3bWzf3rgBsu198xb8Nxxe51k6D3zVTA98L25N'
txid = x('6d500966f9e494b38a04545f0cea35fc7b3944e341a64b804fed71cdee11d434')
vout = 1
sats = 9999
script_type = 'p2sh'
binzero = 2**32
sequence = binzero - 3
address = 'tb1qv9hg20f0g08d460l67ph6p4ukwt7m0ttqzj7mk'
sats_less_fees = sats - 200
locktime = 1602565200
# Build the Transaction Input
_, privkey, compressed = deserialize_privkey(wif)
pubkey = ECPrivkey(privkey).get_public_key_hex(compressed=compressed)
prevout = TxOutpoint(txid=txid, out_idx=vout)
txin = PartialTxInput(prevout=prevout)
txin.nsequence = sequence
txin.script_type = script_type
expiry = b2x(lx(b2x(locktime)))
redeem_script = compile([
expiry, 'OP_CHECKLOCKTIMEVERIFY', 'OP_DROP', pubkey, 'OP_CHECKSIG'])
txin.redeem_script = x(redeem_script)
# Build the Transaction Output
txout = PartialTxOutput.from_address_and_value(address, sats_less_fees)
# Build and sign the transaction
tx = P2SHPartialTransaction.from_io([txin], [txout], locktime=locktime)
tx.version = 1
# Set testnet
set_testnet()
# Set mainnet
# set_mainnet()
# Number of addresses to generate:
n = 20
# Type of address
type = 'p2wpkh'
# type = 'p2wpkh-p2sh'
# type = 'p2pkh'
# https://www.secg.org/sec2-v2.pdf section 2.4.1
def get_priv():
n = 'FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFE BAAEDCE6 AF48A03B BFD25E8C D0364141'
n = int(n.replace(' ', ''), 16)
priv = randint(1, n - 1)
return bytes.fromhex(f"{priv:064x}")
for i in range(0, n):
priv = get_priv()
wif = serialize_privkey(priv, True, '').replace(':', '')
pubk = ECPrivkey(priv).get_public_key_bytes()
addr = pubkey_to_address('p2wpkh', pubk.hex())
print(f"WIF: {wif} Address: {addr}")
