Update subscription filter.

beacon_node/lighthouse_network/src/service/mod.rs

@@ -240,7 +240,8 @@ impl<AppReqId: ReqId, E: EthSpec> Network<AppReqId, E> {
             let max_topics = ctx.chain_spec.attestation_subnet_count as usize
                 + SYNC_COMMITTEE_SUBNET_COUNT as usize
                 + ctx.chain_spec.blob_sidecar_subnet_count as usize
-                + ctx.chain_spec.data_column_sidecar_subnet_count as usize
+                // TODO: move to chainspec
+                + E::data_column_subnet_count()
                 + BASE_CORE_TOPICS.len()
                 + ALTAIR_CORE_TOPICS.len()
                 + CAPELLA_CORE_TOPICS.len()
@@ -254,11 +255,11 @@ impl<AppReqId: ReqId, E: EthSpec> Network<AppReqId, E> {
                     ctx.chain_spec.attestation_subnet_count,
                     SYNC_COMMITTEE_SUBNET_COUNT,
                     ctx.chain_spec.blob_sidecar_subnet_count,
-                    ctx.chain_spec.data_column_sidecar_subnet_count,
+                    E::data_column_subnet_count() as u64,
                 ),
                 // during a fork we subscribe to both the old and new topics
                 max_subscribed_topics: max_topics * 4,
-                // 162 in theory = (64 attestation + 4 sync committee + 7 core topics + 6 blob topics) * 2
+                // 209 in theory = (64 attestation + 4 sync committee + 7 core topics + 6 blob topics + 64 column topics) * 2
                 max_subscriptions_per_request: max_topics * 2,
             };
 

consensus/types/src/chain_spec.rs

@@ -227,7 +227,6 @@ pub struct ChainSpec {
     pub max_request_data_column_sidecars: u64,
     pub min_epochs_for_blob_sidecars_requests: u64,
     pub blob_sidecar_subnet_count: u64,
-    pub data_column_sidecar_subnet_count: u64,
 
     /*
      * Networking Derived
@@ -804,7 +803,6 @@ impl ChainSpec {
             max_request_data_column_sidecars: default_max_request_data_column_sidecars(),
             min_epochs_for_blob_sidecars_requests: default_min_epochs_for_blob_sidecars_requests(),
             blob_sidecar_subnet_count: default_blob_sidecar_subnet_count(),
-            data_column_sidecar_subnet_count: default_data_column_sidecar_subnet_count(),
 
             /*
              * Derived Deneb Specific
@@ -1115,7 +1113,6 @@ impl ChainSpec {
             max_request_data_column_sidecars: default_max_request_data_column_sidecars(),
             min_epochs_for_blob_sidecars_requests: 16384,
             blob_sidecar_subnet_count: default_blob_sidecar_subnet_count(),
-            data_column_sidecar_subnet_count: default_data_column_sidecar_subnet_count(),
 
             /*
              * Derived Deneb Specific
@@ -1316,9 +1313,6 @@ pub struct Config {
     #[serde(default = "default_blob_sidecar_subnet_count")]
     #[serde(with = "serde_utils::quoted_u64")]
     blob_sidecar_subnet_count: u64,
-    #[serde(default = "default_data_column_sidecar_subnet_count")]
-    #[serde(with = "serde_utils::quoted_u64")]
-    data_column_sidecar_subnet_count: u64,
 
     #[serde(default = "default_min_per_epoch_churn_limit_electra")]
     #[serde(with = "serde_utils::quoted_u64")]
@@ -1444,10 +1438,6 @@ const fn default_blob_sidecar_subnet_count() -> u64 {
     6
 }
 
-const fn default_data_column_sidecar_subnet_count() -> u64 {
-    32
-}
-
 const fn default_min_per_epoch_churn_limit_electra() -> u64 {
     128_000_000_000
 }
@@ -1655,7 +1645,6 @@ impl Config {
             max_request_data_column_sidecars: spec.max_request_data_column_sidecars,
             min_epochs_for_blob_sidecars_requests: spec.min_epochs_for_blob_sidecars_requests,
             blob_sidecar_subnet_count: spec.blob_sidecar_subnet_count,
-            data_column_sidecar_subnet_count: spec.data_column_sidecar_subnet_count,
 
             min_per_epoch_churn_limit_electra: spec.min_per_epoch_churn_limit_electra,
             max_per_epoch_activation_exit_churn_limit: spec
@@ -1729,7 +1718,6 @@ impl Config {
             max_request_data_column_sidecars,
             min_epochs_for_blob_sidecars_requests,
             blob_sidecar_subnet_count,
-            data_column_sidecar_subnet_count,
 
             min_per_epoch_churn_limit_electra,
             max_per_epoch_activation_exit_churn_limit,
@@ -1795,7 +1783,6 @@ impl Config {
             max_request_data_column_sidecars,
             min_epochs_for_blob_sidecars_requests,
             blob_sidecar_subnet_count,
-            data_column_sidecar_subnet_count,
 
             min_per_epoch_churn_limit_electra,
             max_per_epoch_activation_exit_churn_limit,

consensus/types/src/data_column_subnet_id.rs

@@ -204,4 +204,17 @@ mod test {
             }
         }
     }
+
+    #[test]
+    fn test_columns_subnet_conversion() {
+        for subnet in 0..E::data_column_subnet_count() as u64 {
+            let subnet_id = DataColumnSubnetId::new(subnet);
+            for column_index in subnet_id.columns::<E>() {
+                assert_eq!(
+                    subnet_id,
+                    DataColumnSubnetId::from_column_index::<E>(column_index as usize)
+                );
+            }
+        }
+    }
 }

consensus/types/src/eth_spec.rs

@@ -120,6 +120,7 @@ pub trait EthSpec:
     type KzgCommitmentsInclusionProofDepth: Unsigned + Clone + Sync + Send + Debug + PartialEq;
     /*
      * Config values in PeerDAS
+     * TODO(das) move to `ChainSpec`
      */
     type CustodyRequirement: Unsigned + Clone + Sync + Send + Debug + PartialEq;
     type DataColumnSidecarSubnetCount: Unsigned + Clone + Sync + Send + Debug + PartialEq;
@@ -152,11 +153,6 @@ pub trait EthSpec:
     /// Must be set to `BytesPerFieldElement * FieldElementsPerCell`.
     type BytesPerCell: Unsigned + Clone + Sync + Send + Debug + PartialEq;
 
-    /// Number of data columns per subnet.
-    ///
-    /// Must be set to `NumberOfColumns / DataColumnSidecarSubnetCount`
-    type DataColumnsPerSubnet: Unsigned + Clone + Sync + Send + Debug + PartialEq;
-
     /*
      * New in Electra
      */
@@ -369,7 +365,9 @@ pub trait EthSpec:
     }
 
     fn data_columns_per_subnet() -> usize {
-        Self::DataColumnsPerSubnet::to_usize()
+        Self::number_of_columns()
+            .safe_div(Self::data_column_subnet_count())
+            .expect("Subnet count must be greater than 0")
     }
 
     fn custody_requirement() -> usize {
@@ -434,7 +432,6 @@ impl EthSpec for MainnetEthSpec {
     type CustodyRequirement = U4;
     type DataColumnSidecarSubnetCount = U64;
     type NumberOfColumns = U128;
-    type DataColumnsPerSubnet = U2;
     type KzgCommitmentsInclusionProofDepth = U4; // inclusion of the whole list of commitments
     type SyncSubcommitteeSize = U128; // 512 committee size / 4 sync committee subnet count
     type MaxPendingAttestations = U4096; // 128 max attestations * 32 slots per epoch
@@ -488,7 +485,6 @@ impl EthSpec for MinimalEthSpec {
     type CustodyRequirement = U4;
     type DataColumnSidecarSubnetCount = U64;
     type NumberOfColumns = U128;
-    type DataColumnsPerSubnet = U2;
     type KzgCommitmentsInclusionProofDepth = U4;
 
     params_from_eth_spec!(MainnetEthSpec {
@@ -582,7 +578,6 @@ impl EthSpec for GnosisEthSpec {
     type CustodyRequirement = U4;
     type DataColumnSidecarSubnetCount = U64;
     type NumberOfColumns = U128;
-    type DataColumnsPerSubnet = U2;
     type KzgCommitmentsInclusionProofDepth = U4;
 
     fn default_spec() -> ChainSpec {
@@ -593,22 +588,3 @@ impl EthSpec for GnosisEthSpec {
         EthSpecId::Gnosis
     }
 }
-
-#[cfg(test)]
-mod test {
-    use super::*;
-
-    #[test]
-    fn test_peer_das_config_all_specs() {
-        test_peer_das_config::<MainnetEthSpec>();
-        test_peer_das_config::<GnosisEthSpec>();
-        test_peer_das_config::<MinimalEthSpec>();
-    }
-
-    fn test_peer_das_config<E: EthSpec>() {
-        assert_eq!(
-            E::data_columns_per_subnet(),
-            E::number_of_columns() / E::data_column_subnet_count()
-        );
-    }
-}