* Added Block Rewards
* added new type
* added enum
* Fix phase0 block reward in rewards API (#4929)
* Merge 'guav00a/proposer-rewards-api'
* Merge unstable
* Revamp phase0 reward API tests
- Add test_rewards_base_slashings (testing #5101)
- Improve fix to not include proposer reward in attestation reward API calculation (#4856)
- Adjust test approach for phase0 tests: Pad with empty epochs to include all rewards in calculation
- Simplify and unify code across all reward tests
* Merge branch 'unstable' into fix-4929
* Merge branch 'unstable' into fix-4929
* Merge remote-tracking branch 'origin/unstable' into fix-4929
* Fix merge fallout
* Remove junk revived in merge
* Address review
- check for attestations with lower inclusion delay
- check for double attestations in block
- add test
* Merge branch 'unstable' into fix-4929
* Merge branch 'unstable' into fix-4929