* skip bls verification with a feature flag at runtime
* gazelle
* more bls mocks
* block roots efficiency
* db block roots now does not show up on the flame graphs
* save validator latest votes batch
* batch save att
* misc improvements to pprof
* import
* include validator index cache
* error if no filter criteria
* resolved comments
* build fix
* lint
* remove delay global
* attestation and block test fixes
* preston suggestions
* fix db tests
* fix missing broken tests
* tests pass
* batch deletions for blocks and attestations
* test for atts delete
* test for blocks delete
* better naming of args in iface methods
* modify a bit
* convert to batch
* blocks batch delete
* batch fixes
* suspecting deadlock
* blocks batch delete tests pass
* more complex test
* retrieve attestations by block root as well
* add beacon block root filter
* rem err unimpl
* add changes to list atts filter proto
* utilize the new filter attributes
* add filter types
* utilize filters in the api server impl
* tests for filter
* tests pass
* filter test done
* fix test by using head fetcher instead
* gaz
* no panic
* use new ethapis commit
* elim panic
* res panic
* ensure proto compatibility
* fixed broken test
* begin indices approach
* use shard bucket
* continue the indices approach
* eliminate the filter checkers in favor of the single loop of root lookups
* elim extraneous println statement
* continue the indices approach
* intersection for multiple filter types works, but is complex, verbose, and nearly unreadable
* remove unused code
* table drive tests for byte slice intersections
* include all table driven tests
* gazelle imports
* better abstractions
* better comments
* variadic approach working
* transform to variadic
* comments
* comments
* separate bucket for indices for faster range scans
* attestation key as hash tree root of data and different indices buckets
* test pass
* default behavior without filter
* appropriate filter criterion errors if criterion does not apply to type
* better abstractions and prune keys on deletion
* better naming
* fix build
* fix build
* rem extraneous code