add IL type, gossip kind, and pubsub message

consensus/types/src/eth_spec.rs

@@ -160,6 +160,11 @@ pub trait EthSpec:
     type MaxAttestationsElectra: Unsigned + Clone + Sync + Send + Debug + PartialEq;
     type MaxWithdrawalRequestsPerPayload: Unsigned + Clone + Sync + Send + Debug + PartialEq;
 
+    /*
+     * FOCIL
+     */
+    type MaxTransactionsPerInclusionList: Unsigned + Clone + Sync + Send + Debug + PartialEq;
+
     fn default_spec() -> ChainSpec;
 
     fn spec_name() -> EthSpecId;
@@ -374,6 +379,11 @@ pub trait EthSpec:
     fn kzg_commitments_inclusion_proof_depth() -> usize {
         Self::KzgCommitmentsInclusionProofDepth::to_usize()
     }
+
+    /// Returns the `MAX_TRANSACTIONS_PER_INCLUSION_LIST` constant for this specification.
+    fn max_transactions_per_inclusion_list() -> usize {
+        Self::MaxTransactionsPerInclusionList::to_usize()
+    }
 }
 
 /// Macro to inherit some type values from another EthSpec.
@@ -438,6 +448,7 @@ impl EthSpec for MainnetEthSpec {
     type MaxAttesterSlashingsElectra = U1;
     type MaxAttestationsElectra = U8;
     type MaxWithdrawalRequestsPerPayload = U16;
+    type MaxTransactionsPerInclusionList = U16;
 
     fn default_spec() -> ChainSpec {
         ChainSpec::mainnet()
@@ -503,7 +514,8 @@ impl EthSpec for MinimalEthSpec {
         PendingBalanceDepositsLimit,
         MaxConsolidationRequestsPerPayload,
         MaxAttesterSlashingsElectra,
-        MaxAttestationsElectra
+        MaxAttestationsElectra,
+        MaxTransactionsPerInclusionList
     });
 
     fn default_spec() -> ChainSpec {
@@ -569,6 +581,7 @@ impl EthSpec for GnosisEthSpec {
     type FieldElementsPerExtBlob = U8192;
     type BytesPerCell = U2048;
     type KzgCommitmentsInclusionProofDepth = U4;
+    type MaxTransactionsPerInclusionList = U16;
 
     fn default_spec() -> ChainSpec {
         ChainSpec::gnosis()

consensus/types/src/inclusion_list.rs

@@ -0,0 +1,53 @@
+use crate::test_utils::TestRandom;
+use crate::{EthSpec, Hash256, Signature, Slot, Transaction};
+
+use derivative::Derivative;
+use serde::{Deserialize, Serialize};
+use ssz_derive::{Decode, Encode};
+use ssz_types::VariableList;
+use test_random_derive::TestRandom;
+use tree_hash::TreeHash;
+use tree_hash_derive::TreeHash;
+
+#[derive(
+    Debug,
+    Clone,
+    Serialize,
+    Deserialize,
+    Encode,
+    Decode,
+    TreeHash,
+    TestRandom,
+    Derivative,
+    arbitrary::Arbitrary,
+)]
+#[serde(bound = "E: EthSpec")]
+#[arbitrary(bound = "E: EthSpec")]
+#[derivative(PartialEq, Eq, Hash(bound = "E: EthSpec"))]
+pub struct InclusionList<E: EthSpec> {
+    pub slot: Slot,
+    #[serde(with = "serde_utils::quoted_u64")]
+    pub validator_index: u64,
+    pub inclusion_list_committee_root: Hash256,
+    pub transactions:
+        VariableList<Transaction<E::MaxBytesPerTransaction>, E::MaxTransactionsPerInclusionList>,
+}
+
+#[derive(
+    Debug, Clone, Serialize, Deserialize, Encode, Decode, TreeHash, Derivative, arbitrary::Arbitrary,
+)]
+#[serde(bound = "E: EthSpec")]
+#[arbitrary(bound = "E: EthSpec")]
+#[derivative(PartialEq, Eq, Hash(bound = "E: EthSpec"))]
+pub struct SignedInclusionList<E: EthSpec> {
+    pub message: InclusionList<E>,
+    pub signature: Signature,
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use crate::*;
+
+    ssz_and_tree_hash_tests!(InclusionList<MainnetEthSpec>);
+}

consensus/types/src/lib.rs

@@ -48,6 +48,7 @@ pub mod fork_versioned_response;
 pub mod graffiti;
 pub mod historical_batch;
 pub mod historical_summary;
+pub mod inclusion_list;
 pub mod indexed_attestation;
 pub mod light_client_bootstrap;
 pub mod light_client_finality_update;
@@ -178,6 +179,7 @@ pub use crate::fork_name::{ForkName, InconsistentFork};
 pub use crate::fork_versioned_response::{ForkVersionDeserialize, ForkVersionedResponse};
 pub use crate::graffiti::{Graffiti, GRAFFITI_BYTES_LEN};
 pub use crate::historical_batch::HistoricalBatch;
+pub use crate::inclusion_list::{InclusionList, SignedInclusionList};
 pub use crate::indexed_attestation::{
     IndexedAttestation, IndexedAttestationBase, IndexedAttestationElectra, IndexedAttestationRef,
 };