def get_xpub(self, bip32_path, xtype):
self.checkDevice()
# bip32_path is of the form 44'/0'/1'
# S-L-O-W - we don't handle the fingerprint directly, so compute
# it manually from the previous node
# This only happens once so it's bearable
#self.get_client() # prompt for the PIN before displaying the dialog if necessary
#self.handler.show_message("Computing master public key")
if xtype in ['p2wpkh', 'p2wsh'] and not self.supports_native_segwit():
raise UserFacingException(MSG_NEEDS_FW_UPDATE_SEGWIT)
if xtype in ['p2wpkh-p2sh', 'p2wsh-p2sh'] and not self.supports_segwit():
raise UserFacingException(MSG_NEEDS_FW_UPDATE_SEGWIT)
bip32_path = bip32.normalize_bip32_derivation(bip32_path)
bip32_intpath = bip32.convert_bip32_path_to_list_of_uint32(bip32_path)
bip32_path = bip32_path[2:] # cut off "m/"
if len(bip32_intpath) >= 1:
prevPath = bip32.convert_bip32_intpath_to_strpath(bip32_intpath[:-1])[2:]
nodeData = self.dongleObject.getWalletPublicKey(prevPath)
publicKey = compress_public_key(nodeData['publicKey'])
fingerprint_bytes = hash_160(publicKey)[0:4]
childnum_bytes = bip32_intpath[-1].to_bytes(length=4, byteorder="big")
else:
fingerprint_bytes = bytes(4)
childnum_bytes = bytes(4)
nodeData = self.dongleObject.getWalletPublicKey(bip32_path)
publicKey = compress_public_key(nodeData['publicKey'])
depth = len(bip32_intpath)
return BIP32Node(xtype=xtype,
eckey=ecc.ECPubkey(bytes(publicKey)),
chaincode=nodeData['chainCode'],
depth=depth,
fingerprint=fingerprint_bytes,
child_number=childnum_bytes).to_xpub()
def test_normalize_bip32_derivation(self):
self.assertEqual("m/0/1'/1'", normalize_bip32_derivation("m/0/1h/1'"))
self.assertEqual("m", normalize_bip32_derivation("m////"))
self.assertEqual("m/0/2/1'", normalize_bip32_derivation("m/0/2/-1/"))
self.assertEqual("m/0/1'/1'/5'",
normalize_bip32_derivation("m/0//-1/1'///5h"))
def create_storage(self, js_data, single_password_enabled,
single_password):
self._logger.info('Creating wallet from wizard data')
data = js_data.toVariant()
self._logger.debug(str(data))
if single_password_enabled and single_password:
data['encrypt'] = True
data['password'] = single_password
try:
path = os.path.join(
os.path.dirname(self.daemon.config.get_wallet_path()),
data['wallet_name'])
if os.path.exists(path):
raise Exception('file already exists at path')
storage = WalletStorage(path)
if data['seed_type'] in ['old', 'standard',
'segwit']: #2fa, 2fa-segwit
self._logger.debug('creating keystore from electrum seed')
k = keystore.from_seed(data['seed'], data['seed_extra_words'],
data['wallet_type'] == 'multisig')
elif data['seed_type'] == 'bip39':
self._logger.debug('creating keystore from bip39 seed')
root_seed = keystore.bip39_to_seed(data['seed'],
data['seed_extra_words'])
derivation = normalize_bip32_derivation(
data['derivation_path'])
script = data['script_type'] if data[
'script_type'] != 'p2pkh' else 'standard'
k = keystore.from_bip43_rootseed(root_seed,
derivation,
xtype=script)
else:
raise Exception('unsupported/unknown seed_type %s' %
data['seed_type'])
if data['encrypt']:
if k.may_have_password():
k.update_password(None, data['password'])
storage.set_password(
data['password'],
enc_version=StorageEncryptionVersion.USER_PASSWORD)
db = WalletDB('', manual_upgrades=False)
db.set_keystore_encryption(
bool(data['password']) and data['encrypt'])
db.put('wallet_type', data['wallet_type'])
db.put('seed_type', data['seed_type'])
db.put('keystore', k.dump())
if k.can_have_deterministic_lightning_xprv():
db.put(
'lightning_xprv',
k.get_lightning_xprv(
data['password'] if data['encrypt'] else None))
db.load_plugins()
db.write(storage)
# minimally populate self after create
self._password = data['password']
self.path = path
self.createSuccess.emit()
except Exception as e:
self._logger.error(str(e))
self.createError.emit(str(e))
def test_normalize_bip32_derivation(self):
self.assertEqual("m/0/1'/1'", normalize_bip32_derivation("m/0/1h/1'"))
self.assertEqual("m", normalize_bip32_derivation("m////"))
self.assertEqual("m/0/2/1'", normalize_bip32_derivation("m/0/2/-1/"))
self.assertEqual("m/0/1'/1'/5'", normalize_bip32_derivation("m/0//-1/1'///5h"))