trezor-firmware/src/apps/lisk/get_address.py

from trezor.messages.LiskAddress import LiskAddress

from .helpers import LISK_CURVE, get_address_from_public_key, validate_full_path

from apps.common import paths
from apps.common.layout import address_n_to_str, show_address, show_qr


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, LISK_CURVE)
    pubkey = node.public_key()
    pubkey = pubkey[1:]  # skip ed25519 pubkey marker
    address = get_address_from_public_key(pubkey)

    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 LiskAddress(address=address)