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trezor-firmware/src/apps/monero/misc.py
2018-12-13 15:47:05 +01:00

43 lines
1.2 KiB
Python

from apps.common import HARDENED
async def get_creds(ctx, address_n=None, network_type=None):
from apps.common import seed
from apps.monero.xmr import crypto, monero
from apps.monero.xmr.credentials import AccountCreds
use_slip0010 = 0 not in address_n # If path contains 0 it is not SLIP-0010
if use_slip0010:
curve = "ed25519"
else:
curve = "secp256k1"
keychain = await seed.get_keychain(ctx)
node = keychain.derive(address_n, curve)
if use_slip0010:
key_seed = node.private_key()
else:
key_seed = crypto.cn_fast_hash(node.private_key())
spend_sec, _, view_sec, _ = monero.generate_monero_keys(key_seed)
creds = AccountCreds.new_wallet(view_sec, spend_sec, network_type)
return creds
def validate_full_path(path: list) -> bool:
"""
Validates derivation path to equal 44'/128'/a',
where `a` is an account index from 0 to 1 000 000.
"""
if len(path) != 3:
return False
if path[0] != 44 | HARDENED:
return False
if path[1] != 128 | HARDENED:
return False
if path[2] < HARDENED or path[2] > 1000000 | HARDENED:
return False
return True