Offloading KZG Proof Computation from the beacon node (#7117)

Addresses #7108

- Add EL integration for `getPayloadV5` and `getBlobsV2`
- Offload proof computation and use proofs from EL RPC APIs

beacon_node/network/src/network_beacon_processor/gossip_methods.rs

@@ -825,7 +825,8 @@ impl<T: BeaconChainTypes> NetworkBeaconProcessor<T> {
                     | GossipDataColumnError::InvalidKzgProof { .. }
                     | GossipDataColumnError::UnexpectedDataColumn
                     | GossipDataColumnError::InvalidColumnIndex(_)
-                    | GossipDataColumnError::InconsistentCommitmentsOrProofLength
+                    | GossipDataColumnError::InconsistentCommitmentsLength { .. }
+                    | GossipDataColumnError::InconsistentProofsLength { .. }
                     | GossipDataColumnError::NotFinalizedDescendant { .. } => {
                         debug!(
                             error = ?err,

beacon_node/network/src/network_beacon_processor/mod.rs

@@ -844,7 +844,6 @@ impl<T: BeaconChainTypes> NetworkBeaconProcessor<T> {
         publish_blobs: bool,
     ) {
         let custody_columns = self.network_globals.sampling_columns.clone();
-        let is_supernode = self.network_globals.is_supernode();
         let self_cloned = self.clone();
         let publish_fn = move |blobs_or_data_column| {
             if publish_blobs {
@@ -852,10 +851,7 @@ impl<T: BeaconChainTypes> NetworkBeaconProcessor<T> {
                     BlobsOrDataColumns::Blobs(blobs) => {
                         self_cloned.publish_blobs_gradually(blobs, block_root);
                     }
-                    BlobsOrDataColumns::DataColumns(mut columns) => {
-                        if !is_supernode {
-                            columns.retain(|col| custody_columns.contains(&col.index));
-                        }
+                    BlobsOrDataColumns::DataColumns(columns) => {
                         self_cloned.publish_data_columns_gradually(columns, block_root);
                     }
                 };
@@ -866,6 +862,7 @@ impl<T: BeaconChainTypes> NetworkBeaconProcessor<T> {
             self.chain.clone(),
             block_root,
             block.clone(),
+            custody_columns,
             publish_fn,
         )
         .instrument(tracing::info_span!(