* 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
* 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
* tests passing after checking for empty committee and crosslink root
* address nishant comments
* WIP - with TODOs
* interface w/ test
* basic test for broadcast
* Add computeStateRoot funciton
* remove custody challenge
* resolve TODO lint issues
* more TODOs
* revert new line in types.proto
* broadcaster comment
* one of several failure condition tests
* Add test cases
* handle compute state error test case
* fix config in validator helpers
* fix tests too
* fix conflict
* partial PR feedback
* remove p2p
* gazelle
* package comment
* Better godoc
