From 67b0fa2047c323ab042fe1368e5588555c7b086c Mon Sep 17 00:00:00 2001 From: Sander van Grieken Date: Mon, 2 Oct 2023 09:29:46 +0200 Subject: [PATCH] qml: add extra parent_fee check. fixes #8634 --- electrum/gui/qml/qetxfinalizer.py | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/electrum/gui/qml/qetxfinalizer.py b/electrum/gui/qml/qetxfinalizer.py index 5b8383378..e66819e3a 100644 --- a/electrum/gui/qml/qetxfinalizer.py +++ b/electrum/gui/qml/qetxfinalizer.py @@ -793,6 +793,11 @@ class QETxCpfpFeeBumper(TxFeeSlider, TxMonMixin): self.warning = _('Cannot determine dynamic fees, not connected') return + if self._parent_fee is None: + self._logger.error(_("Can't CPFP: unknown fee for parent transaction.")) + self.warning = _("Can't CPFP: unknown fee for parent transaction.") + return + fee = self.get_child_fee_from_total_feerate(fee_per_kb=fee_per_kb) if fee is None: