* return interface from testing/util
* remove usages of v1
* return interface from InitializeFromProto
* return interface from InitializeFromProto
* fix test
* fix interface visibility
* more fixes
* use InitializeFromProtoUnsafe in testing/util
* return early error from mock
* v2
* fix tests
* remove unnecessary assertion
* use struct in nil state test
* Revert "Auxiliary commit to revert individual files from 6bb528c2c5df2446ad18450009f63f44318d41a9"
This reverts commit 7d70238a301209f6dbfc8ff1d81b16e33b0bd67d.
* use struct in sync committee test
* v3
* use InitializeFromProtoUnsafe in mock
* use version information
* Revert "Auxiliary commit to revert individual files from 6bb528c2c5df2446ad18450009f63f44318d41a9"
This reverts commit 5d5e6f2884d21caec7530c16ad2a0d0d27c44aa1.
* revert changes to ClearPreGenesisData
* fix build error
* remove error from PreGenesisState
* bzl
To increase DRY and enable DRY in tests and other users of the Beacon Chain state package,
an error that was duplicated unnecessarily in each version of the state is moved to the root
Beacon Chain state package.