async def get_address(ctx, msg):
from trezor.messages.EthereumAddress import EthereumAddress
from trezor.crypto.curve import secp256k1
from trezor.crypto.hashlib import sha3_256
from apps.common import seed
address_n = msg.address_n or ()
node = await seed.derive_node(ctx, address_n)
seckey = node.private_key()
public_key = secp256k1.publickey(seckey, False) # uncompressed
address = sha3_256(public_key[1:], keccak=True).digest()[12:]
if msg.show_display:
if len(address_n) > 1: # path has slip44 network identifier
network = networks.by_slip44(address_n[1] & 0x7FFFFFFF)
else:
network = None
hex_addr = _ethereum_address_hex(address, network)
while True:
if await show_address(ctx, hex_addr, address_n):
break
if await show_qr(ctx, hex_addr):
break
return EthereumAddress(address=address)
async def ethereum_get_address(ctx, msg):
from trezor.messages.EthereumAddress import EthereumAddress
from trezor.crypto.curve import secp256k1
from trezor.crypto.hashlib import sha3_256
from apps.common import seed
address_n = msg.address_n or ()
node = await seed.derive_node(ctx, address_n)
seckey = node.private_key()
public_key = secp256k1.publickey(seckey, False) # uncompressed
address = sha3_256(public_key[1:]).digest(True)[12:] # Keccak
if msg.show_display:
network = networks.by_slip44(address_n[1] & 0x7fffffff)
hex_addr = _ethereum_address_hex(address, network)
while True:
if await _show_address(ctx, hex_addr):
break
if await _show_qr(ctx, hex_addr):
break
return EthereumAddress(address=address)
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 = sha3_256(public_key[1:], keccak=True).digest()[12:]
if msg.show_display:
if len(msg.address_n) > 1: # path has slip44 network identifier
network = networks.by_slip44(msg.address_n[1] & 0x7FFFFFFF)
else:
network = None
hex_addr = ethereum_address_hex(address, network)
desc = address_n_to_str(msg.address_n)
while True:
if await show_address(ctx, hex_addr, desc=desc):
break
if await show_qr(ctx, hex_addr, desc=desc):
break
return EthereumAddress(address=address)
async def handler_chain_id(ctx, msg, keychain):
network = by_slip44(msg.address_n[1] & ~HARDENED)
# standard tests
self._check_keychain(keychain, network.slip44)
# provided address should succeed too
keychain.derive(msg.address_n)
