* Avoid refetching block while fetching events
* Prefetch a batch of blocks with events while indexing
* Update mock indexer used in graph-node testing
* Process available blocks while prefetching
* Refactor events fetching to a method in util
* Move method to get GQL event query result to util
* Remove support for pushing state to IPFS
* Move job handlers for state creation to util
* Rename state creation related methods and objects
* Update mock indexer used in graph-node testing
* Fetch and merge diffs in batches while creating a state checkpoint
* Fix timing logs while for state checkpoint creation
* Refactor method to get state query result to util
* Accept contracts for state verification in compare CLI config
* Make method to update state status map synchronous
* Add prometheus metrics endpoint in watcher
* Add event, sync status and DB size metrics
* Fix subgraph watchers DB entities directory path
* Make watcher metrics optional using config
* Update codegen with index-block CLI and remove graph-node
* Add filter logs by contract flag
* Skip generating GQL API for immutable variables
* Add config for maxEventsBlockRange
* Add new flags in existing watchers
* Update demo for IPLD blocks
* Add update for custom properties in state diff
* Implement custom update of transfer counter in state diff
* Comment code for updating custom state prop
* Separate markdown for erc721-watcher Demo
* Run workflow on main branch commit
