* begin using tree hash instead of hash for state and blocks
* replace with ssz
* rem references to vote cache
* replace all instances of state/block hash with root
* goimports
* almost every test in the world fails
* goimports
* all tests pass, tree hash across repo
* first commit, remote att types
* no more agg attestation proto
* regen mock
* only attestations
* proto
* att process
* fix att references
* more tests passing
* use att protos
* complete
* change visibility
* use gogoprotobu
* refactor repo to use protos
* removed block successfully in types
* db package updated
* db, core passing
* chain service done
* no more block instances
* all pass
* deprecate all block protos
* tests pass
* polling interval
* adding proto message
* changing proto messages
* changing naming
* adding slot functionality
* initial sync working
* new changes
* more sync fixes
* its working now
* finally working
* add tests
* fix tests
* tests
* adding tests
* lint
* log checks
* making changes to simulator
* update logs
* fix tests
* get sync to work with crystallized state
* fixing race
* making requested changes
* unexport
* documentation
* gazelle and fix merge conflicts
* adding repeated requests
* fix lint
* adding new clock , db methods, and util func
* revert change to test
* gazelle
* add in test
* gazelle
* finally working
* save slot
* fix lint and constant
* adding proto messages
* adding fields
* adding new service
* new changes
* checking in file from syncFix
* fixing test
* add test
* adding to node
* goimports
* adding query service to sync services
* sync working
* finally works
* fix test
* lint
* fix build
* fix test
* Remove error checking for type assertions on p2p messages. The code should fail earlier in the p2p layer. Also fixed format on some TODOs
* format TODO again
* Add a bit more tests for p2p stuff
* goimports on feed_mock
* remove unused import
* Initial commit to extract initial sync code
* Add stop/resume of sync/intialsync
* bazel run
* gometalinter
* add tests
* cleanup
* build fixes
* use infof rather than errorf if sync is not in correct state
* Add TODO comment detailing eventual completion of transition from initial sync to sync
* fix build
* pr comments
* fix tests
* bump