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FOCIL tracker #7340

@nflaig

Description

@nflaig

EIP-7805: Fork-choice enforced Inclusion Lists (FOCIL) tracker

Validator client

  • inclusing list service
    • retrieve, sign and broadcast inclusion lists
  • inclusing list duties service
    • poll duties from beacon node
    • keep track of duties
  • update validator store
    • construct a signed inclusion list
    • get_inclusion_list_signature
  • update remote signer client

Beacon api

  • retrieve unsigned inclusion list to be signed
  • submit signed inclusion list to be broadcast
  • retrieve inclusion list duties
  • inclusion_list event
  • retrieve inclusion lists from op pool (optional)

Beacon chain

  • new ssz types / containers
  • new spec constants
  • inclusion lists op pool / cache
  • add get_inclusion_committee_assignment
  • add get_inclusion_list_committee
  • add is_valid_inclusion_list_signature
  • add IL to new payload request to EL
  • forward received inclusion lists to EL for proposal until cutoff
  • retrieve IL transactions from EL and create InclusionList to sign over

Fork choice

  • track seen inclusion lists and equivocators
  • modify notify_new_payload
  • add get_attester_head to be used for attestations and sync committee message
  • import signed inclusion lists in fork choice store (on_inclusion_list)
  • call engine api to validate IL (validate_inclusion_lists)

Gossipsub / p2p

  • new gossipsub topic inclusion_list
  • gossip verification
  • track equivocations
  • forward IL gossip messages (max 2 messages per validator index)

Execution engine

  • define new engine api methods
    • add engine_newPayloadV5
    • add engine_getInclusionListV1
    • add engine_forkchoiceUpdatedV4

Beacon metrics

  • add required metrics
  • update dashboard

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