add label for size in tx window. use base_unit for fee

gui/qt/transaction_dialog.py

@@ -85,6 +85,8 @@ class TxDialog(QDialog, MessageBoxMixin):
         vbox.addWidget(self.date_label)
         self.amount_label = QLabel()
         vbox.addWidget(self.amount_label)
+        self.size_label = QLabel()
+        vbox.addWidget(self.size_label)
         self.fee_label = QLabel()
         vbox.addWidget(self.fee_label)
 
@@ -177,6 +179,7 @@ class TxDialog(QDialog, MessageBoxMixin):
         base_unit = self.main_window.base_unit()
         format_amount = self.main_window.format_amount
         tx_hash, status, label, can_broadcast, can_rbf, amount, fee, height, conf, timestamp, exp_n = self.wallet.get_tx_info(self.tx)
+        size = self.tx.estimated_size()
         self.broadcast_button.setEnabled(can_broadcast)
         self.sign_button.setEnabled(self.wallet.can_sign(self.tx))
         self.tx_hash_e.setText(tx_hash or _('Unknown'))
@@ -203,12 +206,13 @@ class TxDialog(QDialog, MessageBoxMixin):
             amount_str = _("Amount received:") + ' %s'% format_amount(amount) + ' ' + base_unit
         else:
             amount_str = _("Amount sent:") + ' %s'% format_amount(-amount) + ' ' + base_unit
-        fee_str = _("Transaction fee") + ': %s'% (format_amount(fee) + ' ' + base_unit if fee is not None else _('unknown'))
+        size_str = _("Size:") + ' %d bytes'% size
+        fee_str = _("Fee") + ': %s'% (format_amount(fee) + ' ' + base_unit if fee is not None else _('unknown'))
         if fee is not None:
-            size = self.tx.estimated_size()
-            fee_str += '   ( %d bytes @ %s ' % (size, format_amount(fee * 1000 / size)) + base_unit + '/kB, %.0d sat/byte )' % (fee/size)
+            fee_str += '  ( %s )' % (format_amount(fee * 1000 / size) + ' ' + base_unit + '/kB')
         self.amount_label.setText(amount_str)
         self.fee_label.setText(fee_str)
+        self.size_label.setText(size_str)
         run_hook('transaction_dialog_update', self)
 
     def add_io(self, vbox):