* make fixes
* change condition
* comment
* fixed up a few var names for clarity
* added test for isDescendant
* chain split reorg test
* interface for atts service
* comprehensive reorg regression test added
* space
* all tests pass
* target handler
* ci lint
* Update beacon-chain/sync/receive_block.go
Co-Authored-By: rauljordan <raul@prysmaticlabs.com>
* fix block processing
* add in defer
* do not update chainhead
* save historical states from all blocks, so that fork choice can retrieve it
* revert changes
* make new changes
* remove forkchoice at the end
* headRoot is a better name
* yay merged with master
* fixed attester server returning incorrect attestation field values
* revert stupid mock changes
* fixed and updated all the tests
* uncomment
* head start should handle skip blocks
* Raul's feedback
* 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
* request parents recursively begin code
* recursive call
* writing tests for recursively processing child blocks
* tests for parent root requests
* expecting blcoks awaiting processing to be empty after recursive calls
* finishing touches to get tests to pass
* first test pass
* gazelle
* rem outdated test
* tests done
* 50 requested parents recursively pass
* recursive parent fetching depth of 100
* recursive parent fetching depth of 50
* lint
* fix failing test
* fix item
* add db to mock chain
