* 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
* syncHealth removed capitalization from an error string
* replaced error variable names in testStatus()
* TestStatus splits into 3 separate tests
* unit test refinement + travis resolved issues
* modified isSynced in querier.go + deleted uncommented code
* removed conditional logic from two unit tests
* TestStatus_ReturnsErrorWhenNotSynced
* moved defer TeardownDB outside setupSyncService
* tests passing once again in db package
* fixed all tests
* revert some weird p2p changes made accidentally
* fix repeated code
* build fixed
* fix p2p
* fix all tests
* 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
* Persist Dag
* Add schema
* Add new message
* add mapping
* Adding check to save block
* Removing blocks mapping
* Make changes to block processing
* Change from mapping to a slice of hashes
* Adding tests to core
* adding more tests
* Fixing service test
* Add comments and fix bazel
* fix lint
* fix conflicts
* addressing review comments
* Removing references to active
* fixing tests with active state
* Protytype for #440: Persist blocks and latest state in DB
* simplify code
* removing block registry
* fix test
* adding block removal/iterator
* Addressing review comments
* Addressing comments
* Adding block request
* removing extra line
* making vars private and adding canonical key
* fix lint
* splitting methods
* adding more changes
* lint
* improving coverage
* removing decodeslotnumber
* Able to search for and send blocks
* adding core tests
* adding tests
* adding documentation
* addressing raul's comments
* lint and gazelle
* addressing yutaro's comments
* improving coverage
* improve coverage
* improving coverage
* 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
