Ensure feature parity with consensus spec v1.2.0

[wemeetagain]

Ensure we either have a PR or tracking issue (or mark as irrelevant) all features and changes in v1.2.0

Currently based on v1.2.0-rc.1

• Update this issue when v1.2.0 is released

Phase 0

Beacon chain

• Add new DomainType for application usage with "internal" namespace Add new DomainType for application usage with "internal" namespace ethereum/consensus-specs#2884

Fork choice

• Remove equivocating validators from fork choice consideration #4303
  • Remove equivocating validators from fork choice consideration ethereum/consensus-specs#2845
• [Bugfix] Require fork choice to run before proposal Require fork choice to run before proposal ethereum/consensus-specs#2878 Run on_tick before picking the head for proposal ethereum/consensus-specs#2897
  • Run forkChoice to get correct head for proposal #4058
• Update PROPOSER_SCORE_BOOST to 40 percent Update PROPOSER_SCORE_BOOST to 40 percent ethereum/consensus-specs#2895

Validator

• Update 0x01 withdrawal credentials to balance update (no code exec) Update 0x01 withdrawal credentials. ethereum/consensus-specs#2854

Networking

• Ignore subset aggregates Ignore subset aggregates ethereum/consensus-specs#2847
• Ignore Aggregates Which Are Following the Wrong Finalized Checkpoint Ignore Aggregates Which Are Following the Wrong Finalized Checkpoint ethereum/consensus-specs#2846
• Deprecate BeaconBlocksByRange.step deprecate BeaconBlocksByRange.step ethereum/consensus-specs#2856

Altair

Light client

• Ensure light client optimistic_header to be at head. ref
• Consistently use compute_sync_committee_period. ref
• Implement p2p interface ref

Bellatrix

Fork choice

• Add safe_block_hash and set to Justified Add safe_block_hash to notify_forkchoice_updated ethereum/consensus-specs#2851 Bellatrix: pass justified as a safe block ethereum/consensus-specs#2858 Fix param order in prepare_execution_payload ethereum/consensus-specs#2876
  • Use justified blocks execution payload hash as safeBlockHash in engine fcU #4080
• Update PROPOSER_SCORE_BOOST to 40 percent Update PROPOSER_SCORE_BOOST to 40 percent ethereum/consensus-specs#2895

Optimistic sync

• Optimistically import any post-merge block Optimistically import any post-merge block ethereum/consensus-specs#2844
• Remove justified block from optimistic candidate conditions Remove justified block from optimistic candidate conditions ethereum/consensus-specs#2881
  • PR: Fix safe optimistic import #4340
• Remove INVALID_TERMINAL_BLOCK Optimistic Sync: remove INVALID_TERMINAL_BLOCK ethereum/consensus-specs#2891
  • PR : Remove invalid terminal block execution scenario #4076
• Remove API restrictions for optimistic sync Remove API restrictions for optimistic sync ethereum/consensus-specs#2869

[philknows]

@g11tech Do we want to compile the remaining tasks in here for tracking in #4455 instead?

[philknows]

Incomplete tasks have been compiled into #4455. Closing.