* update protos
* Revert "Use DB to Fetch Justified Block (#2172)"
This reverts commit 60c254d818.
* use justified root and previous justified root across the repo
* change attester server to use state justified root
* remove commented code
* fix build issues
* fix test
* fix all tests
* fix merge issues
* refactor initial sync to prevent reorg infinite loops
* lint
* fixed build
* passing tests
* tests passing
* terence suggestion
* new attempt
* clean up and refactor sync service
* complete the new initial sync logic
* revert head
* init sync working
* config for blockchain receive block
* all works
* builds
* fix a few more tests
* init sync tests pass
* revert scripts
* revert accounts changes
* lint
* lint2
* travis lint
* fix build
* fix single use argument
* any peer
* imports spacing
* imports
* ready for a rolling restart
* add todo
* fork choice in blocks when exiting sync
* readd finalized state root to requests
* successful build
* revert blockchain config
* old config reversion
* initial sync tests pass
* initial sync full test works
* lint
* use the new block processing api
* new proto defs
* init sync functions again
* remove sync polling
* tests fixed
* fixed catching up with chain
* tests pass
* spacing
* lint
* goimports
* add changes
* add lock and conditional to prevent multiple goroutines
* make reg sync synchronous
* add
* fixed the parent block issue
* fix errors in chain service
* tests pass
* check nil block
* typo
* fix nil state
* merge & conflicts
* revert synchronus reg sync
* add more spans to state db
* fix lint
* lint
* don't broadcast to yourself
* todo
* Also listen for incoming streams
* send to a specific peer
* add godoc comment
* handle EOF as a normal thing
* gazelle
* add test for subscribing via direct comm
* adding check for chainHead
* add batch block limit
* adding state root
* removing genesisHash
* removing setBlockForInitialSync
* fixing tests
* remove obsolete check
* changing to check for state initialization
* changing var name
* fix test
* add in tests
* fix all tests
* lint
* reduce test time
* merge fixes
* gazelle
* 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
* 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
