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EIP-7549 -- Networking

This document contains the consensus-layer networking specification for EIP-7549.

The specification of these changes continues in the same format as the network specifications of previous upgrades, and assumes them as pre-requisite.

Modifications in EIP-7549
- The gossip domain: gossipsub
  - Topics and messages
    - Global topics
      - beacon_aggregate_and_proof
      - beacon_attestation_{subnet_id}

Modifications in EIP-7549

The gossip domain: gossipsub

Topics and messages

The beacon_aggregate_and_proof and beacon_attestation_{subnet_id} topics are modified to support the gossip of a new attestation type.

Global topics

`beacon_aggregate_and_proof`

[Modified in EIP7549]

The following convenience variables are re-defined

index = get_committee_indices(aggregate.committee_bits)[0]

The following validations are added:

[REJECT] len(committee_indices) == 1, where committee_indices = get_committee_indices(aggregate).
[REJECT] aggregate.data.index == 0

`beacon_attestation_{subnet_id}`