* Add initial test
* chkpt
* add failing test
* add span to historical state lookup
* use db.HighestBlockSlot()
* fix comment
* update comment
* i wrote a test like a good programmer.
* add test back
* add assertion and unskip test, something new failing tho
* trying to fix test
* remove -1, not sure if i need it yet
* Revert "remove -1, not sure if i need it yet"
This reverts commit 2cfcbb8108b28bb3d7135a993d9053150d5f1e6e.
* save historical state on every save state
* fix hsitorical states
* set historical state in initialize state
* change to a bool
* fix error with empty retrieval of states
* Add missing import
* fix test
* lock in receive block
* remove state generator
* Revert "lock in receive block"
This reverts commit 151b10829d70b2dad3055a8db36d0e1269a853f2.
* Fix Initial Sync Not Processing Canonical Block to Produce Canonical State (#2152)
* fix init sync
* fatal if highest observed root does not match
* proto fields
* Update beacon-chain/sync/initial-sync/service.go
* confirm canonical state root
* fix most tests
* failing test
* fix PR tests
* lint
* no simbackend changes
* logf revert
* add todo
* fix off by one
* fix test with deleted property
* merge #2157
* passing tests :)
* 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
* remove hash field for state request
* change to finalized state root
* refactor code for bug
* add in saving of finalized state
* add method to db
* adding finalized state root
* add new changes
* add in new changes
* add in return vars
* goimports
* review comments
* error message
* fix broken build
* fix cache state tests
* lint
* 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
