use tx.txid() instead of tx.hash()

gui/kivy/uix/screens.py

@@ -301,7 +301,7 @@ class SendScreen(CScreen):
         def on_success(tx):
             if tx.is_complete():
                 self.app.broadcast(tx, self.payment_request)
-                self.app.wallet.set_label(tx.hash(), message)
+                self.app.wallet.set_label(tx.txid(), message)
             else:
                 self.app.tx_dialog(tx)
         def on_failure(error):

gui/qt/transaction_dialog.py

@@ -163,7 +163,7 @@ class TxDialog(QDialog, MessageBoxMixin):
         self.main_window.sign_tx(self.tx, sign_done)
 
     def save(self):
-        name = 'signed_%s.txn' % (self.tx.hash()[0:8]) if self.tx.is_complete() else 'unsigned.txn'
+        name = 'signed_%s.txn' % (self.tx.txid()[0:8]) if self.tx.is_complete() else 'unsigned.txn'
         fileName = self.main_window.getSaveFileName(_("Select where to save your signed transaction"), name, "*.txn")
         if fileName:
             with open(fileName, "w+") as f:

gui/stdio.py

@@ -195,7 +195,7 @@ class ElectrumGui:
             return
 
         if self.str_description:
-            self.wallet.labels[tx.hash()] = self.str_description
+            self.wallet.labels[tx.txid()] = self.str_description
 
         print(_("Please wait..."))
         status, msg = self.network.broadcast(tx)

gui/text.py

@@ -346,7 +346,7 @@ class ElectrumGui:
             return
 
         if self.str_description:
-            self.wallet.labels[tx.hash()] = self.str_description
+            self.wallet.labels[tx.txid()] = self.str_description
 
         self.show_message(_("Please wait..."), getchar=False)
         status, msg = self.network.broadcast(tx)