wallet: rm electrum_version field

electrum/gui/qt/main_window.py

@@ -57,6 +57,7 @@ from electrum.util import (format_time, format_satoshis, format_fee_satoshis,
 from electrum.transaction import Transaction, TxOutput
 from electrum.address_synchronizer import AddTransactionException
 from electrum.wallet import Multisig_Wallet, CannotBumpFee
+from electrum.version import ELECTRUM_VERSION
 
 from .exception_window import Exception_Hook
 from .amountedit import AmountEdit, BTCAmountEdit, MyLineEdit, FeerateEdit
@@ -399,7 +400,7 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
 
     def watching_only_changed(self):
         name = "Electrum Testnet" if constants.net.TESTNET else "Electrum"
-        title = '%s %s  -  %s' % (name, self.wallet.electrum_version,
+        title = '%s %s  -  %s' % (name, ELECTRUM_VERSION,
                                         self.wallet.basename())
         extra = [self.wallet.storage.get('wallet_type', '?')]
         if self.wallet.is_watching_only():
@@ -584,7 +585,7 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
 
     def show_about(self):
         QMessageBox.about(self, "Electrum",
-                          (_("Version")+" %s" % self.wallet.electrum_version + "\n\n" +
+                          (_("Version")+" %s" % ELECTRUM_VERSION + "\n\n" +
                            _("Electrum's focus is speed, with low resource usage and simplifying Bitcoin.") + " " +
                            _("You do not need to perform regular backups, because your wallet can be "
                               "recovered from a secret phrase that you can memorize or write on paper.") + " " +

electrum/wallet.py

@@ -167,7 +167,6 @@ class Abstract_Wallet(AddressSynchronizer):
     def __init__(self, storage):
         AddressSynchronizer.__init__(self, storage)
 
-        self.electrum_version = ELECTRUM_VERSION
         # saved fields
         self.use_change            = storage.get('use_change', True)
         self.multiple_change       = storage.get('multiple_change', False)