pub fn root_hash(&self) -> ValueHash {
        let root = self.db.root(self.recovered_version);
        let Some(Root::Filled { node, .. }) = root else {
            return self.hasher.empty_tree_hash();
        };
        node.hash(&mut HasherWithStats::new(&self.hasher), 0)
    }
Returns the root hash of the recovered tree at this point.
core/lib/merkle_tree/src/recovery/mod.rs