add Bitcoin QObject for seed generation

electrum/gui/qml/qeapp.py

@@ -12,6 +12,7 @@ from .qenetwork import QENetwork
 from .qewallet import QEWallet
 from .qeqr import QEQR
 from .qewalletdb import QEWalletDB
+from .qebitcoin import QEBitcoin
 
 class ElectrumQmlApplication(QGuiApplication):
 
@@ -30,6 +31,7 @@ class ElectrumQmlApplication(QGuiApplication):
         qmlRegisterType(QEWalletListModel, 'org.electrum', 1, 0, 'WalletListModel')
         qmlRegisterType(QEWallet, 'org.electrum', 1, 0, 'Wallet')
         qmlRegisterType(QEWalletDB, 'org.electrum', 1, 0, 'WalletDB')
+        qmlRegisterType(QEBitcoin, 'org.electrum', 1, 0, 'Bitcoin')
 
         self.engine = QQmlApplicationEngine(parent=self)
         self.engine.addImportPath('./qml')

electrum/gui/qml/qebitcoin.py

@@ -0,0 +1,27 @@
+from PyQt5.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, QObject
+
+from electrum.logging import get_logger
+from electrum import mnemonic
+
+class QEBitcoin(QObject):
+    def __init__(self, config, parent=None):
+        super().__init__(parent)
+        self.config = config
+
+    _logger = get_logger(__name__)
+
+    generatedSeedChanged = pyqtSignal()
+    generatedSeed = ''
+
+    @pyqtProperty('QString', notify=generatedSeedChanged)
+    def generated_seed(self):
+        return self.generatedSeed
+
+    @pyqtSlot()
+    @pyqtSlot(str)
+    @pyqtSlot(str,str)
+    def generate_seed(self, seed_type='standard', language='en'):
+        self._logger.debug('generating seed of type ' + str(seed_type))
+        self.generatedSeed = mnemonic.Mnemonic(language).make_seed(seed_type=seed_type)
+        self._logger.debug('seed generated')
+        self.generatedSeedChanged.emit()