anchor channels: unlock wallet on startup if the wallet has channels

electrum/gui/qml/qedaemon.py

@@ -251,7 +251,8 @@ class QEDaemon(AuthMixin, QObject):
         assert wallet is not None
         self._current_wallet = QEWallet.getInstanceFor(wallet)
         self.availableWallets.updateWallet(self._path)
-        self._current_wallet.password = password if password else None
+        if wallet.requires_unlock():
+            wallet.unlock(password)
         self._loading = False
         self.loadingChanged.emit()
         self.walletLoaded.emit(self._name, self._path)

electrum/gui/qml/qewallet.py

@@ -731,12 +731,16 @@ class QEWallet(AuthMixin, QObject, QtEventListener):
         try:
             self._logger.info('setting new password')
             self.wallet.update_password(current_password, password, encrypt_storage=True)
-            self.password = password
+            self.wallet.unlock(password)
             return True
         except InvalidPassword as e:
             self._logger.exception(repr(e))
             return False
 
+    @property
+    def password(self):
+        return self.wallet.get_unlocked_password()
+
     @pyqtSlot(str)
     def importAddresses(self, addresslist):
         self.wallet.import_addresses(addresslist.split())