* 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
* using little endian and tests for encoding dep inputs
* use decode value and timestamp method in state
* updated comments to match serialization format
* latest compiled contract, abi, bytecode, and bindings
* to little endian everywhere
* fix all tests except for contract tests
* include contract changes
* address broken build
* compile with vyper v8
* update readme
* fix pkg name
* add skip chainstart delay
* skip chainstart delay tests pass
* to little endian timestamp
* fix bug in eth1 data vote count increases
* updating attester slashings
* is double vote and attester pseudocode
* attester slashing revamp complete
* exits processing complete
* all block operations aligned to spec
* completed test revamp
* builds properly
* all done FINALLY
* deprecate all instances of old randao logic
* fix all broken tests and cleanup randao references across repo
* builds but tests failing
* fixing broken chaintests
* only chaintests fail now
* randao fully updated
* add bls todo
* lint
* travis
* fix unresolved property in struct
* remove used randao var
* add fork choice helpers
* LMD GHOST basic implementation
* add todos
* add in the initial test and finalize rest of functions
* added tests
* more simulation, adding trivial case with only one option for a head
* panics
* begin helper function tests
* more helper tests
* higher vote wins
* LMD Ghost full test
* comment
* add types
* optimize
* prepared
* deposits for chain
* lint
* use the hash beacon block util
* rem unnecessary db methods
* comments
* setup works
* 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
* 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
