def get_from_path(cls, mnemonic: str, path: str) -> "DerivableKey":
"""Gets the derived key in one go from address/motion path string"""
# address, motion = path.split("/") # No: motion txid can contain "/" => coud use same limit param from split as above.
elements = path.split("/")
address = elements.pop(0)
motion = "/".join(elements)
bip39 = BIP39.from_mnemonic(mnemonic)
master_key = DerivableKey(seed=bip39.to_seed())
address_key = master_key.derive(address)
motion_key = address_key.derive(motion)
return motion_key
def test_seed(verbose=False):
bip39 = BIP39.from_mnemonic(TEST_MNEMONIC)
if verbose:
print("Entropy", bip39.entropy.hex())
assert bip39.entropy.hex() == "80808080808080808080808080808080"
seed = bip39.to_seed()
if verbose:
print("Seed", seed.hex())
assert seed.hex() == TEST_SEED_HEX
key = DerivableKey(seed=seed)
if verbose:
print("Pubkey", key.to_pubkey().hex())
print("AES key", key.to_aes_key().hex())
assert (
key.to_pubkey().hex() ==
"0418b9908d43f503ae8ed3128c35edd8e0b9350c01a389bf5d83aece4822722b6223dbfaec15801253d658356836802a43c401fed1415a312f1a09f52d96a52ae4"
)
assert (key.to_aes_key().hex() ==
"3b49e2c776a2a8c3a1b5666ab19e3b1103bb4a435efc70eadf829bfd59c06e20")