* Starting a quick PoC
* Rate limit to one epoch worth of blocks in memory
* Proof of concept working
* Quick comment out
* Save previous finalized checkpoint
* Merge branch 'master' of github.com:prysmaticlabs/prysm into batch-save
* Test
* Merge branch 'prev-finalized-getter' into batch-save
* Minor fixes
* Use a map
* More run time fixes
* Remove panic
* Feature flag
* Removed unused methods
* Fixed tests
* E2e test
* Merge branch 'master' into batch-save
* comment
* Merge branch 'master' into batch-save
* Compatible with current initial sync
* Merge branch 'batch-save' of github.com:prysmaticlabs/prysm into batch-save
* Merge refs/heads/master into batch-save
* Merge refs/heads/master into batch-save
* Merge refs/heads/master into batch-save
* Merge branch 'master' of github.com:prysmaticlabs/prysm into batch-save
* Feedback
* Merge branch 'batch-save' of github.com:prysmaticlabs/prysm into batch-save
* Merge refs/heads/master into batch-save
* bump bitfield dep
* add new methods
* get it working
* add nil check
* add check
* one more check
* add flag
* everything works local run
* add debug log
* more changes
* ensuring p2p interface works enough for tests to pass
* all tests pass
* include proper naming and comments to fix lint
* Apply suggestions from code review
* discover by peers
* cannot figure out why 0 peers
* remove keys
* fix test
* fix it
* fix again
* remove log
* change back
* gaz
Co-authored-by: Raul Jordan <raul@prysmaticlabs.com>