* Cleaned up operation service * Fixed all the tests * Fixed node.go * Review feedback * Todo
* Check messages received from self, add them to the store * tests * fmt
* beacon attestation subscriber * register beacon attestation handler * fix tests
* add validation * add block db check in validation * merge * in memory caching of seen blocks * basic block processing * Update BUILD.bazel * use new receiveBlockNoPubsub * fix build * add TODO issue numbers * add TODO issue numbers * lint