* First take
* Update proposer_execution_payload.go
* Update optimistic_sync_test.go
* Add tests
* Update proposer_execution_payload.go
* Fix tests
* Add deprecation
* Fix bad merge
* New test
* Update beacon-chain/core/blocks/payload.go
Co-authored-by: Preston Van Loon <preston@prysmaticlabs.com>
* Proposer test can get and compare payload
Co-authored-by: Raul Jordan <raul@prysmaticlabs.com>
Co-authored-by: Preston Van Loon <preston@prysmaticlabs.com>