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Merge pull request #3090 from ethereum/4844-topic-dep

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clarify deprecation of `beacon_block` gossip topic in 4844
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Danny Ryan 2022-11-17 12:16:24 -07:00 committed by GitHub
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specs/eip4844/p2p-interface.md
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@ -17,6 +17,7 @@ The specification of these changes continues in the same format as the network s
- [The gossip domain: gossipsub](#the-gossip-domain-gossipsub)
- [Topics and messages](#topics-and-messages)
- [Global topics](#global-topics)
- [`beacon_block`](#beacon_block)
- [`beacon_block_and_blobs_sidecar`](#beacon_block_and_blobs_sidecar)
- [Transitioning the gossip](#transitioning-the-gossip)
- [The Req/Resp domain](#the-reqresp-domain)
@ -65,9 +66,9 @@ Some gossip meshes are upgraded in the fork of EIP4844 to support upgraded types
### Topics and messages
Topics follow the same specification as in prior upgrades.
All topics remain stable except the beacon block topic which is updated with the modified type.
The `beacon_block` topic is deprecated and replaced by the `beacon_block_and_blobs_sidecar` topic. All other topics remain stable.
The specification around the creation, validation, and dissemination of messages has not changed from the Bellatrix document unless explicitly noted here.
The specification around the creation, validation, and dissemination of messages has not changed from the Capella document unless explicitly noted here.
The derivation of the `message-id` remains stable.
@ -82,6 +83,14 @@ The new topics along with the type of the `data` field of a gossipsub message ar
EIP4844 introduces a new global topic for beacon block and blobs-sidecars.
##### `beacon_block`
This topic is deprecated and clients **MUST NOT** expose in their topic set to any peer. Implementers do not need to do
anything beyond simply skip implementation, and it is explicitly called out as it is a departure from previous versioning
of this topic.
Refer to [the section below](#transitioning-the-gossip) for details on how to transition the gossip.
##### `beacon_block_and_blobs_sidecar`
This topic is used to propagate new signed and coupled beacon blocks and blobs sidecars to all nodes on the networks.