qt history list: optimise update_item (tx mined status)

electrum/gui/qt/history_list.py

@@ -247,8 +247,15 @@ class HistoryModel(QAbstractItemModel, PrintError):
         tx_item.update(fiat_fields)
         self.dataChanged.emit(idx, idx, [Qt.DisplayRole, Qt.ForegroundRole])
 
-    def update_item(self, *args):
+    def update_tx_mined_status(self, tx_hash: str, tx_mined_info: TxMinedInfo):
-        self.refresh('update_item')
+        self.tx_status_cache[tx_hash] = self.parent.wallet.get_tx_status(tx_hash, tx_mined_info)
+        try:
+            row = self.transactions.pos_from_key(tx_hash)
+        except KeyError:
+            return
+        topLeft = self.createIndex(row, 0)
+        bottomRight = self.createIndex(row, self.NUM_COLUMNS-1)
+        self.dataChanged.emit(topLeft, bottomRight)
 
     def headerData(self, section: int, orientation: Qt.Orientation, role: Qt.ItemDataRole):
         assert orientation == Qt.Horizontal

electrum/gui/qt/main_window.py

@@ -346,8 +346,8 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
             self.console.showMessage(args[0])
         elif event == 'verified':
             wallet, tx_hash, tx_mined_status = args
-            if wallet == self.wallet and wallet.up_to_date:
+            if wallet == self.wallet:
-                self.history_model.update_item(tx_hash, tx_mined_status)
+                self.history_model.update_tx_mined_status(tx_hash, tx_mined_status)
         elif event == 'fee':
             if self.config.is_dynfee():
                 self.fee_slider.update()