Add block header Record header Inserting header Inserted Canonical chain needs to be updated. Run headers GC. Used gas: 22585021042542 Finish headers GC. Used gas: 29547913476831 Add block header Record header Inserting header Inserted Canonical chain needs to be updated. Run headers GC. Used gas: 18090114475992 Finish headers GC. Used gas: 24692892319893