* include stream chain head mock
* uncomment test
* stream chain head implemented
* remove imports
* chain head stream test
* include stream test with mockgen
* test now passes
* checkin items
* stream tests all passing
* rem learn
* fix up fork checker
* add stream ctx
* gaz, fix test
* fix broken test
* Merge branch 'master' into chain-head-stream
* include context in chain head stream happy path test
* Merge branch 'master' into chain-head-stream
* Merge branch 'master' into chain-head-stream
* Merge refs/heads/master into chain-head-stream
* Merge refs/heads/master into chain-head-stream
* archive participation begin implementation
* validator participation compute
* comments
* compute participation common func
* full test for archiving data
* gazelle
* complete tests
* gaz
* remove double negative grammar in comment
* use archive in rpc
* uses the archive!
* error if nothing found in archive
* comment
* use head fetcher and root
* tests pass
* archive active set changes appropriately
* archive committees
* archive info
* done with committee info archiving
* archived set changes stored
* fix build
* test for archive balances and active indices
* further abstractions
* only archive epoch end
* tests all pass
* tests pass now
* archive done
* test for activated validators
* tests for exited
* amend message
* use different proto
* finalization fetcher
* gaz
* use root
* use ctx
* use new ethapis
* use proper hash
* match apis compatibility
* match apis
* properly use participation
* fix tests
* use right commit