* proto + stub
* Add execution_optimistic to SSZ response
* implementation
* proto fix
* api middleware
* tests
* more tests
* switch from Errorf to Error
Co-authored-by: terencechain <terence@prysmaticlabs.com>
Co-authored-by: Raul Jordan <raul@prysmaticlabs.com>
* Simplify SSZ handling
* fix tests
* add version to SSZ proto and to GetBeaconStateSSZV2
* remove unwanted methods
Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>