qml: add final/rbf to txdetails

electrum/gui/qml/components/TxDetails.qml

@@ -200,6 +200,15 @@ Pane {
                     text: txdetails.txpos
                 }
 
+                Label {
+                    text: qsTr('RbF')
+                    color: Material.accentColor
+                }
+
+                Label {
+                    text: txdetails.isFinal ? qsTr('No') : qsTr('Yes')
+                }
+
                 Label {
                     text: qsTr('Label')
                     Layout.columnSpan: 2

electrum/gui/qml/qetxdetails.py

@@ -39,6 +39,7 @@ class QETxDetails(QObject):
     _is_unrelated = False
     _is_complete = False
     _is_mined = False
+    _is_final = False
 
     _mempool_depth = ''
 
@@ -200,6 +201,10 @@ class QETxDetails(QObject):
     def isComplete(self):
         return self._is_complete
 
+    @pyqtProperty(bool, notify=detailsChanged)
+    def isFinal(self):
+        return self._is_final
+
     def update(self):
         if self._wallet is None:
             self._logger.error('wallet undefined')
@@ -250,6 +255,7 @@ class QETxDetails(QObject):
                 self._lnamount.satsInt = 0
 
         self._is_complete = self._tx.is_complete()
+        self._is_final = self._tx.is_final()
         self._is_unrelated = txinfo.amount is None and self._lnamount.isEmpty
         self._is_lightning_funding_tx = txinfo.is_lightning_funding_tx
         self._can_bump = txinfo.can_bump