MEVNextProposerInfo

MEVNextProposerInfo feed provides details of next Ethereum block proposer, allowing searchers to know if the proposer is registered with a MEV relay service.

Service available via Cloud API only.

Stream Endpoint

• Method: MEVNextProposerInfo

• Endpoint: wss://mev-eth.blxrbdn.com/ws

Parameters

Key	Description	Values
include	Fields to include in the MEV proposer info stream.	slot_number, index, public_key, mev_boost [Default: all]

Examples

Request

wscat

wscat -c wss://mev-eth.blxrbdn.com/ws --header "Authorization: <YOUR-AUTHORIZATION-HEADER>" --no-check
> {"id": 1, "method": "subscribe", "params": ["MEVNextProposerInfo", {"include": []}]}

Response

Transaction Event

{
  "id": 1,
  "method": "subscribe",
  "params": {
    "subscription": "cb78a4f1-fb9c-4f12-8e21-32f34c28a338",
    "result": {
      "slotNumber": 4047824, 
      "index": 370301,
      "publicKey": "0x8c8b7685b109b16c2d7d52315298cbc099921d983fec780c242317a92699f54f62b2457b4a7db0d392c8e6d20da9be6e",
      "MEVBoost": true
    }
  }
}

Result Field	Description
slotNumber	Next slot number
index	Index of the next proposer
publicKey	Public key of the next proposer
MEVBoost	Boolean flag indicating if the proposer is registered with at least one MEV relay service.