* eth1 data comments
* eth1 data RPC server side impl
* logic is data objects is empty
* finished eth1 server logic
* update comments
* fmt
* big int comparisons
* begin adding eth1 data tests
* empty data votes test runs
* all tests complete with every code branch triggered, behavior correct
* fmt, imports
* address comments
* wrapped up tests
* addressed all comments
* 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
* initial validator attesthead rewrite based on proposer rewrite
* proceed with fetching committees and tree hashing the canonical head at assigned attester slot
* complete filling the properties of attestation data and all associated root hashes
* add when to attest todo
* finish entire attester client logic
* tests with mocks checked in
* tests passing in client
* stubbed out server implementation
* fixed build due to old property
* regen mocks with new mockgen version
* fixed broken tests
* complete bazel build fix
* address some review comments
* deep proto test
* server implementation logic
* attestation info tests
* completed passing tests, tree hash still blocked by error with nil fields unfortunately
* fix todo failure
* gazelle rerun and master merge
* testing full behavior of attestation info server
* finished all required server tests and implementation
* break loop
* fix tests due to genesis slot updates
* 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
* 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
* Update dependency com_github_deckarep_golang_set to v1 (#1159)
* Update dependency com_github_edsrzf_mmap_go to v1 (#1160)
* Update dependency com_github_go_stack_stack to v1 (#1161)
* Update dependency com_github_rs_cors to v1 (#1162)
* Update dependency in_gopkg_urfave_cli_v1 to v1 (#1163)
* change visibility
* 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
* Standardize params for BeaconChain and Validator projects
* gofmt
* various changes to bring up to standards
* lint
* linter 2, not sure why travis complains
* revert service_test.go
* implementing basic proposer functionality
* checked in gomocks
* fix typo
* refactor using feeds
* use event feeds for assignment
* sending the latest beacon block over announcement chan
* 100 coverage, using feeds
* gazelle
* include parent hash from prev canonical block and slot number + 1
* including all other prop fields
* fix build
* proposer rpc method tests, implemented in beacon chain side
* godoc
* begin with a block/state dag approach in prep for fork choice
* add TODOs for fork choice items, add data structure for forks
* remove syncing and processing states for incoming block sync
* simulator only broadcasts blocks now, no more state simulation
* fix sim tests, no more state sim
* bazel rerun
* naive fork choice
* split update head routine
* pesky race conditions
* fork choice rule works
* dag + fork choice working
* canonical head storage across sessions
* todo: save dag
* no more stalling after 10 blocks, using event feeds
* address review
* sync instead uses event feed
* refactored pure funcs into casper package
* tests pass
* fix lint
* refactor get blockhash
* refactor blockhashforslot
* event feed for incoming blocks in chainservice
* use config
* addressed all comments
* fix typo
* address yutaro comment
* using db interface
* check if parent hash in previous slot DAG
* works
* tests
* drop ffg suffix
* bazel gazelle
* full cov validators by height shard
* gazelle
* state tests
* all state tests
* 100% cov types and 99% cover casper
* cov up
* 80% blockchain cov
* fix lint
