In addition to the existing block number, we should allow for users to query by `block_number=latest` for the pre-confirmed block. This helps user stay up-to-date with the tip of the chain without having to constantly poll for new heights.
In addition to the existing block number, we should allow for users to query by
block_number=latestfor the pre-confirmed block.This helps user stay up-to-date with the tip of the chain without having to constantly poll for new heights.