* deprecate db
* fix build
* begin integrating new db
* gaz
* use more of the new db
* newest implementation uses head state
* remove more deprecated items
* setup validators in state helper
* fix up some tests with the new db
* resolve broken build
* gaz
* begin ensuring tests pass
* optional idx
* list validator balances passing
* default page size passing
* only two failing
* fixed most tests, found edge case
* allow nil return and add proper tests
* pass tests
* fix head block root problem
* working with the new db
* every ethereumapis method now compliant with both dbs
* pass in db into server
* new interface methods
* support proposer slashings
* add in the new buckets
* all crud for propoer slashings
* attester slashings complete
* all slashings crud done
* right comment
* deposit contract tests pass
* delete out of scope methods
* conform old beacon DB
* comment
* include interface implementations
* deprecations
* pass lint
* new interface methods
* support proposer slashings
* add in the new buckets
* all crud for propoer slashings
* attester slashings complete
* all slashings crud done
* right comment
* deposit contract tests pass
* delete out of scope methods
* conform old beacon DB
* comment
* deprecations
* pass lint
* Update deposit_contract.go
* new interface methods
* support proposer slashings
* add in the new buckets
* all crud for propoer slashings
* attester slashings complete
* all slashings crud done
* right comment
* delete out of scope methods
* conform old beacon DB
* include new getter for block
* create block filters from indices
* give every block index a unique bucket
* construct block indices by bucket mmap
* almost done save for the block filters
* include block filters, need a few more small touches for fetching the proper indices by bucket
* full functionality to filter by parent root
* tests pass when using the same logic as attestations
* todo
* proper todo formatting
* first minimum slot range filter
* slot range filters pass
* more filter criteria passing
* tests passing
* add todos
* all block tests pass and work
* rem fmt
* range retrieval test
* fixed test conditions
* instantiate the other buckets
* simplify bucket lookups
* deprecate non map code
* revamp to remove old index prefixes
* create indices from data
* create indices from data
* fetch block roots by slot range
* better abstractions
* simpler abstractions
* roots rename
* comment
* preston feedback
* allow blocks without parent root
* 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
* Added state implementation
* Gaze
* Fixed test
* Fixed build file
* Fixed all tests
* Merged with master
* Added comments to save and get from roots
* Make it explicit signing root
* s/./,
* s/marshalled/marshaled
