Capella (withdrawals) hardfork integration tracker

[g11tech]

Tracker to integrated capella hardfork in lodestar

• Add capella hardfork and types #4568
• Implement withdrawals in capella and update spec to 1.3.0-alpha.0 #4707 Implement withdrawals in capella #4730
  • Replace bellatrix.ExecutionPayload/bellatrix.ExecutionPayloadHeader types by allForks.... wherever meaningful
  • Implement capella state upgrade
  • handle serializeExecutionPayload ,parseExecutionPayload for capella
  • handle execution_payload of spec/presets/operations.ts
  • Handle genesis generation for capella
  • handle capella state gen in beacon-node/test/util/state.ts

Pending tasks:

• test utils
  • Check capella handling in msgIdFn fn in gossip/encoding.ts
  • Add testcases for hardfork transition in network/fork.test.ts
• handle getInteropState 's latestPayloadHeader assignment fork appropriate
• Specs handle payload header type/assignment fork appropriate in
  • in initializeBeaconStateFromEth1 of test/spec/presets/genesis.ts
  • enable in spec
• Spec tests
  • add runners for ["full_withdrawals", "partial_withdrawals", "bls_to_execution_change", "withdrawals"]
  • capella/random/random/pyspec_tests/randomized_11, capella/sanity/blocks/pyspec_tests, full_withdrawal_in_epoch_transition" (These tests specifically seem to have a full validator withdrawal with a validatorstill in sync committee. Remove once spec tests are fixed )
• Implement Builder changes for capella (whenever they are available)

Major pending line items:

• Handle gossips for blschange
• implement the optimized withdrawal processing as and when PR is ready
• Move to the new spec verison with queue current spec tests for capella has been disabled
  • remove MAX_PARTIAL_WITHDRAWALS_PER_EPOCH, WITHDRAWAL_QUEUE_LIMIT
  • change MAX_WITHDRAWALS_PER_PAYLOAD to 4 as per new without queue spec
• add assetions in the withdrawal interop

[g11tech]

closing the tracker as the tasks look done 🎉