def instantiate_keystore_from_text(text_type: KeystoreTextType,
text_match: Union[str, List[str]],
password: Optional[str],
derivation_text: Optional[str] = None,
passphrase: Optional[str] = None,
watch_only: bool = False) -> KeyStore:
derivation_type: Optional[DerivationType] = None
data: Dict[str, Any] = {}
if text_type == KeystoreTextType.EXTENDED_PUBLIC_KEY:
derivation_type = DerivationType.BIP32
assert isinstance(text_match, str)
assert passphrase is None
# `watch_only` is ignored.
data['xpub'] = text_match
elif text_type == KeystoreTextType.EXTENDED_PRIVATE_KEY:
derivation_type = DerivationType.BIP32
assert isinstance(text_match, str)
assert passphrase is None
if not watch_only:
assert password is not None
data['xprv'] = pw_encode(text_match, password)
private_key = bip32_key_from_string(text_match)
data['xpub'] = private_key.public_key.to_extended_key_string()
elif text_type == KeystoreTextType.PRIVATE_KEYS:
derivation_type = DerivationType.IMPORTED
# watch_only?
elif text_type == KeystoreTextType.ADDRESSES:
derivation_type = DerivationType.IMPORTED
# All address types have to be the same.
pass
elif text_type == KeystoreTextType.BIP39_SEED_WORDS:
derivation_type = DerivationType.BIP32
if derivation_text is None:
derivation_text = bip44_derivation_cointype(0, 0)
assert isinstance(text_match, str)
bip32_seed = bip39_to_seed(text_match, passphrase)
xprv = BIP32PrivateKey.from_seed(bip32_seed, Net.COIN)
for n in bip32_decompose_chain_string(derivation_text):
xprv = xprv.child_safe(n)
if not watch_only:
assert password is not None
data['xprv'] = pw_encode(xprv.to_extended_key_string(), password)
data['seed'] = pw_encode(text_match, password)
if passphrase is not None:
data['passphrase'] = pw_encode(passphrase, password)
data['derivation'] = derivation_text
data['xpub'] = xprv.public_key.to_extended_key_string()
elif text_type == KeystoreTextType.ELECTRUM_SEED_WORDS:
derivation_type = DerivationType.BIP32
assert isinstance(text_match, str)
bip32_seed = Mnemonic.mnemonic_to_seed(text_match, passphrase or '')
derivation_text = "m"
xprv = BIP32PrivateKey.from_seed(bip32_seed, Net.COIN)
for n in bip32_decompose_chain_string(derivation_text):
xprv = private_key.child_safe(n)
if not watch_only:
assert password is not None
data['xprv'] = pw_encode(xprv.to_extended_key_string(), password)
data['seed'] = pw_encode(text_match, password)
if passphrase is not None:
data['passphrase'] = pw_encode(passphrase, password)
data['derivation'] = derivation_text
data['xpub'] = xprv.public_key.to_extended_key_string()
elif text_type == KeystoreTextType.ELECTRUM_OLD_SEED_WORDS:
derivation_type = DerivationType.ELECTRUM_OLD
assert isinstance(text_match, str)
assert passphrase is None
# `watch_only` is ignored.
hex_seed = Old_KeyStore._seed_to_hex(text_match)
assert password is not None
data['seed'] = pw_encode(hex_seed, password)
data['mpk'] = Old_KeyStore._mpk_from_hex_seed(hex_seed)
else:
raise NotImplementedError("Unsupported text match type", text_type)
return instantiate_keystore(derivation_type, data)
def add_xprv_from_seed(self, bip32_seed, derivation) -> None:
xprv = BIP32PrivateKey.from_seed(bip32_seed, Net.COIN)
for n in bip32_decompose_chain_string(derivation):
xprv = xprv.child_safe(n)
self.add_xprv(xprv)
def test_bip39_test_vectors(self, entropy_hex, mnemonic, seed_hex, xprv):
entropy = bytes.fromhex(entropy_hex)
assert mnemonic == BIP39Mnemonic._from_entropy(entropy, english_wordlist)
seed = BIP39Mnemonic.to_seed(mnemonic, 'TREZOR')
assert seed.hex() == seed_hex
assert BIP32PrivateKey.from_seed(seed, Bitcoin).to_extended_key_string() == xprv