This can happen if a descendent tx has no witness and we don't tell the main daemon in time that we're not iterested. Fixes: https://github.com/ElementsProject/lightning/issues/8133 Changelog-Fixed: lightningd: onchaind crash when seeing unrelated txs (usually when catching up with old closes) Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>