def test_address_from_bytes_rskip60(self):
# https://github.com/rsksmart/RSKIPs/blob/master/IPs/RSKIP60.md
rskip60_chain_30 = [
'0x5aaEB6053f3e94c9b9a09f33669435E7ef1bEAeD',
'0xFb6916095cA1Df60bb79ce92cE3EA74c37c5d359',
'0xDBF03B407c01E7CD3cBea99509D93F8Dddc8C6FB',
'0xD1220A0Cf47c7B9BE7a2e6ba89F429762E7B9adB'
]
rskip60_chain_31 = [
'0x5aAeb6053F3e94c9b9A09F33669435E7EF1BEaEd',
'0xFb6916095CA1dF60bb79CE92ce3Ea74C37c5D359',
'0xdbF03B407C01E7cd3cbEa99509D93f8dDDc8C6fB',
'0xd1220a0CF47c7B9Be7A2E6Ba89f429762E7b9adB'
]
n = NetworkInfo(chain_id=30, slip44=1, shortcut='T', name='T', rskip60=True)
for s in rskip60_chain_30:
s = s[2:]
b = bytes([int(s[i:i + 2], 16) for i in range(0, len(s), 2)])
h = address_from_bytes(b, n)
self.assertEqual(h, '0x' + s)
n.chain_id = 31
for s in rskip60_chain_31:
s = s[2:]
b = bytes([int(s[i:i + 2], 16) for i in range(0, len(s), 2)])
h = address_from_bytes(b, n)
self.assertEqual(h, '0x' + s)
async def verify_message(ctx, msg):
digest = message_digest(msg.message)
if len(msg.signature) != 65:
raise wire.DataError("Invalid signature")
sig = bytearray([msg.signature[64]]) + msg.signature[:64]
try:
pubkey = secp256k1.verify_recover(sig, digest)
except ValueError:
raise wire.DataError("Invalid signature")
if not pubkey:
raise wire.DataError("Invalid signature")
pkh = sha3_256(pubkey[1:], keccak=True).digest()[-20:]
address_bytes = bytes_from_address(msg.address)
if address_bytes != pkh:
raise wire.DataError("Invalid signature")
address = address_from_bytes(address_bytes)
await require_confirm_verify_message(ctx, address, msg.message)
return Success(message="Message verified")
async def require_confirm_tx(ctx, to_bytes, value, chain_id, token=None, tx_type=None):
if to_bytes:
to_str = address_from_bytes(to_bytes, networks.by_chain_id(chain_id))
else:
to_str = "new contract?"
text = Text("Confirm sending", ui.ICON_SEND, ui.GREEN, new_lines=False)
text.bold(format_ethereum_amount(value, token, chain_id, tx_type))
text.normal(ui.GREY, "to", ui.FG)
for to_line in split_address(to_str):
text.br()
text.mono(to_line)
# we use SignTx, not ConfirmOutput, for compatibility with T1
await require_confirm(ctx, text, ButtonRequestType.SignTx)
async def sign_message(ctx, msg, keychain):
await paths.validate_path(ctx, address.validate_full_path, path=msg.address_n)
await require_confirm_sign_message(ctx, msg.message)
node = keychain.derive(msg.address_n)
signature = secp256k1.sign(
node.private_key(),
message_digest(msg.message),
False,
secp256k1.CANONICAL_SIG_ETHEREUM,
)
sig = EthereumMessageSignature()
sig.address = address.address_from_bytes(node.ethereum_pubkeyhash())
sig.signature = signature[1:] + bytearray([signature[0]])
return sig
def test_address_from_bytes_eip55(self):
# https://github.com/ethereum/EIPs/blob/master/EIPS/eip-55.md
eip55 = [
'0x52908400098527886E0F7030069857D2E4169EE7',
'0x8617E340B3D01FA5F11F306F4090FD50E238070D',
'0xde709f2102306220921060314715629080e2fb77',
'0x27b1fdb04752bbc536007a920d24acb045561c26',
'0x5aAeb6053F3E94C9b9A09f33669435E7Ef1BeAed',
'0xfB6916095ca1df60bB79Ce92cE3Ea74c37c5d359',
'0xdbF03B407c01E7cD3CBea99509d93f8DDDC8C6FB',
'0xD1220A0cf47c7B9Be7A2E6BA89F429762e7b9aDb',
]
for s in eip55:
s = s[2:]
b = bytes([int(s[i:i + 2], 16) for i in range(0, len(s), 2)])
h = address_from_bytes(b)
self.assertEqual(h, '0x' + s)
async def get_address(ctx, msg, keychain):
await paths.validate_path(ctx, validate_full_path, path=msg.address_n)
node = keychain.derive(msg.address_n)
seckey = node.private_key()
public_key = secp256k1.publickey(seckey, False) # uncompressed
address_bytes = sha3_256(public_key[1:], keccak=True).digest()[12:]
if len(msg.address_n) > 1: # path has slip44 network identifier
network = networks.by_slip44(msg.address_n[1] & 0x7FFFFFFF)
else:
network = None
address = address_from_bytes(address_bytes, network)
if msg.show_display:
desc = address_n_to_str(msg.address_n)
while True:
if await show_address(ctx, address, desc=desc):
break
if await show_qr(ctx, address, desc=desc):
break
return EthereumAddress(address)