def test_write_dictionary_to_file(self):
storage = WalletStorage(self.wallet_path)
db = WalletDB('', manual_upgrades=True)
some_dict = {
u"a": u"b",
u"c": u"d",
u"seed_version": FINAL_SEED_VERSION}
for key, value in some_dict.items():
db.put(key, value)
db.write(storage)
with open(self.wallet_path, "r") as f:
contents = f.read()
d = json.loads(contents)
for key, value in some_dict.items():
self.assertEqual(d[key], value)
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))
class QEWalletDB(QObject):
def __init__(self, parent=None):
super().__init__(parent)
from .qeapp import ElectrumQmlApplication
self.daemon = ElectrumQmlApplication._daemon
self.reset()
_logger = get_logger(__name__)
fileNotFound = pyqtSignal()
pathChanged = pyqtSignal([bool], arguments=["ready"])
needsPasswordChanged = pyqtSignal()
needsHWDeviceChanged = pyqtSignal()
passwordChanged = pyqtSignal()
validPasswordChanged = pyqtSignal()
requiresSplitChanged = pyqtSignal()
splitFinished = pyqtSignal()
readyChanged = pyqtSignal()
createError = pyqtSignal([str], arguments=["error"])
createSuccess = pyqtSignal()
invalidPassword = pyqtSignal()
def reset(self):
self._path = None
self._needsPassword = False
self._needsHWDevice = False
self._password = ''
self._requiresSplit = False
self._validPassword = True
self._storage = None
self._db = None
self._ready = False
@pyqtProperty('QString', notify=pathChanged)
def path(self):
return self._path
@path.setter
def path(self, wallet_path):
if wallet_path == self._path:
return
self._logger.info('setting path: ' + wallet_path)
self.reset()
self._path = wallet_path
self.pathChanged.emit(self._ready)
@pyqtProperty(bool, notify=needsPasswordChanged)
def needsPassword(self):
return self._needsPassword
@needsPassword.setter
def needsPassword(self, wallet_needs_password):
if wallet_needs_password == self._needsPassword:
return
self._needsPassword = wallet_needs_password
self.needsPasswordChanged.emit()
@pyqtProperty(bool, notify=needsHWDeviceChanged)
def needsHWDevice(self):
return self._needsHWDevice
@needsHWDevice.setter
def needsHWDevice(self, wallet_needs_hw_device):
if wallet_needs_hw_device == self._needsHWDevice:
return
self._needsHWDevice = wallet_needs_hw_device
self.needsHWDeviceChanged.emit()
@pyqtProperty('QString', notify=passwordChanged)
def password(self):
return '' # no read access
@password.setter
def password(self, wallet_password):
if wallet_password == self._password:
return
self._password = wallet_password
self.passwordChanged.emit()
@pyqtProperty(bool, notify=requiresSplitChanged)
def requiresSplit(self):
return self._requiresSplit
@pyqtProperty(bool, notify=validPasswordChanged)
def validPassword(self):
return self._validPassword
@validPassword.setter
def validPassword(self, validPassword):
if self._validPassword != validPassword:
self._validPassword = validPassword
self.validPasswordChanged.emit()
@pyqtProperty(bool, notify=readyChanged)
def ready(self):
return self._ready
@pyqtSlot()
def verify(self):
self.load_storage()
if self._storage:
self.load_db()
@pyqtSlot()
def doSplit(self):
self._logger.warning('doSplit')
if not self._requiresSplit:
return
self._db.split_accounts(self._path)
self.splitFinished.emit()
def load_storage(self):
self._storage = WalletStorage(self._path)
if not self._storage.file_exists():
self._logger.warning('file does not exist')
self.fileNotFound.emit()
self._storage = None
return
if self._storage.is_encrypted():
self.needsPassword = True
try:
self._storage.decrypt(
'' if not self._password else self._password)
self.validPassword = True
except InvalidPassword as e:
self.validPassword = False
self.invalidPassword.emit()
if not self._storage.is_past_initial_decryption():
self._storage = None
def load_db(self):
# needs storage accessible
self._db = WalletDB(self._storage.read(), manual_upgrades=True)
if self._db.requires_split():
self._logger.warning('wallet requires split')
self._requiresSplit = True
self.requiresSplitChanged.emit()
return
if self._db.get_action():
self._logger.warning(
'action pending. QML version doesn\'t support continuation of wizard'
)
return
if self._db.requires_upgrade():
self._logger.warning('wallet requires upgrade, upgrading')
self._db.upgrade()
self._db.write(self._storage)
self._ready = True
self.readyChanged.emit()
@pyqtSlot('QJSValue', bool, str)
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))
