Remove endpoint `/eth/v1/validator/blinded_blocks/{slot}`

[Alleysira]

Hi there,

Notived that the endpoint /eth/v1/validator/blinded_blocks/{slot} has been removed from the beacon-api by Lodestar, Prysm and Teku in Electra. I think lighthouse should align with other clients.

However, lighthouse still have this implemented in:

lighthouse/beacon_node/http_api/src/lib.rs

Lines 3435 to 3469 in 999b045

	// GET validator/attestation_data?slot,committee_index
	let get_validator_attestation_data = eth_v1
	.and(warp::path("validator"))
	.and(warp::path("attestation_data"))
	.and(warp::path::end())
	.and(warp::query::<api_types::ValidatorAttestationDataQuery>())
	.and(not_while_syncing_filter.clone())
	.and(task_spawner_filter.clone())
	.and(chain_filter.clone())
	.then(
	|query: api_types::ValidatorAttestationDataQuery,
	not_synced_filter: Result<(), Rejection>,
	task_spawner: TaskSpawner<T::EthSpec>,
	chain: Arc<BeaconChain<T>>| {
	task_spawner.blocking_json_task(Priority::P0, move || {
	not_synced_filter?;
	let current_slot = chain.slot().map_err(warp_utils::reject::unhandled_error)?;
	// allow a tolerance of one slot to account for clock skew
	if query.slot > current_slot + 1 {
	return Err(warp_utils::reject::custom_bad_request(format!(
	"request slot {} is more than one slot past the current slot {}",
	query.slot, current_slot
	)));
	}
	chain
	.produce_unaggregated_attestation(query.slot, query.committee_index)
	.map(|attestation| attestation.data().clone())
	.map(api_types::GenericResponse::from)
	.map_err(warp_utils::reject::unhandled_error)
	})
	},
	);

The endpoint can be called with:

curl -X GET http://127.0.0.1:6944/eth/v1/validator/blinded_blocks/112?randao_reveal=0x8dfc48906496c1f52c368207b47be0c39dc2751b3705f5a382aaa61b91a239c640ae2cb2ed3bf35603d60dc1c3c296fc06687ac48c3aa134f16d3efbd6d199be4da91457210611b0cae207f1ad12b6177a747cd7132729af04017acc61984b5a
{"code":500,"message":"UNHANDLED_ERROR: BlockProcessingError(RandaoSignatureInvalid)","stacktraces":[]}

Thanks for your attention!

[chong-he]

Thanks for opening the issue.

We have another issue on this: #7456 and the deletion is in the works: #7515

[Alleysira]

Thanks for opening the issue.

We have another issue on this: #7456 and the deletion is in the works: #7515

Sorry for the trouble. Closing as duplicate.