Block number of the first scanned block in memory.
This might not be the first scanned block. It only includes blocks that are in memory (possible to be rolled back).
Parent hash of the first scanned block in memory.
This might not be the first scanned block. It only includes blocks that are in memory (possible to be rolled back).
Block hash of the last scanned block
Block timestamp of the last scanned block
Block number of the last scanned block