Cell Dissemination (Partial messages) (#8314)

- https://github.com/ethereum/consensus-specs/pull/4558
- https://eips.ethereum.org/EIPS/eip-8136


  


Co-Authored-By: Daniel Knopik <daniel@dknopik.de>

Co-Authored-By: Pawan Dhananjay <pawandhananjay@gmail.com>

Co-Authored-By: Jimmy Chen <jchen.tc@gmail.com>

beacon_node/beacon_chain/src/chain_config.rs

@@ -121,6 +121,8 @@ pub struct ChainConfig {
     pub ignore_ws_check: bool,
     /// Disable the getBlobs optimisation to fetch blobs from the EL mempool.
     pub disable_get_blobs: bool,
+    /// Whether to enable partial data column support.
+    pub enable_partial_columns: bool,
     /// The node's custody type, determining how many data columns to custody and sample.
     pub node_custody_type: NodeCustodyType,
 }
@@ -164,6 +166,7 @@ impl Default for ChainConfig {
             invalid_block_roots: HashSet::new(),
             ignore_ws_check: false,
             disable_get_blobs: false,
+            enable_partial_columns: false,
             node_custody_type: NodeCustodyType::Fullnode,
         }
     }