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mirror of https://github.com/trezor/trezor-firmware.git synced 2025-07-09 16:18:10 +00:00
trezor-firmware/core/src/apps/ethereum/get_address.py
grdddj 9fc5bb546b style(core): full pyright-based type-checking
Changes many fields to required -- as far as we were able to figure out,
signing would fail if these fields aren't provided anyway, so this
should not pose a compatibility problem.

Co-authored-by: matejcik <ja@matejcik.cz>
2022-01-07 21:41:17 +01:00

38 lines
1.1 KiB
Python

from typing import TYPE_CHECKING
from trezor.messages import EthereumAddress
from trezor.ui.layouts import show_address
from apps.common import paths
from . import networks
from .helpers import address_from_bytes
from .keychain import PATTERNS_ADDRESS, with_keychain_from_path
if TYPE_CHECKING:
from trezor.messages import EthereumGetAddress
from trezor.wire import Context
from apps.common.keychain import Keychain
@with_keychain_from_path(*PATTERNS_ADDRESS)
async def get_address(
ctx: Context, msg: EthereumGetAddress, keychain: Keychain
) -> EthereumAddress:
await paths.validate_path(ctx, keychain, msg.address_n)
node = keychain.derive(msg.address_n)
if len(msg.address_n) > 1: # path has slip44 network identifier
network = networks.by_slip44(msg.address_n[1] & 0x7FFF_FFFF)
else:
network = None
address = address_from_bytes(node.ethereum_pubkeyhash(), network)
if msg.show_display:
title = paths.address_n_to_str(msg.address_n)
await show_address(ctx, address=address, address_qr=address, title=title)
return EthereumAddress(address=address)