fix RPC limit add blob signing domain

consensus/types/src/blobs_sidecar.rs

@@ -12,7 +12,7 @@ use tree_hash_derive::TreeHash;
 pub struct BlobsSidecar<E: EthSpec> {
     pub beacon_block_root: Hash256,
     pub beacon_block_slot: Slot,
-    pub blobs: VariableList<Blob<E::FieldElementsPerBlob>, E::MaxBlobsPerBlock>,
+    pub blobs: VariableList<Blob<E>, E::MaxBlobsPerBlock>,
     pub kzg_aggregate_proof: KzgProof,
 }
 
@@ -24,6 +24,6 @@ impl<E: EthSpec> BlobsSidecar<E> {
         // Fixed part
         Self::empty().as_ssz_bytes().len()
             // Max size of variable length `blobs` field
-            + (E::max_blobs_per_block() * <Blob<E::FieldElementsPerBlob> as Encode>::ssz_fixed_len())
+            + (E::max_blobs_per_block() * <Blob<E> as Encode>::ssz_fixed_len())
     }
 }

consensus/types/src/chain_spec.rs

@@ -13,6 +13,7 @@ use tree_hash::TreeHash;
 pub enum Domain {
     BeaconProposer,
     BeaconAttester,
+    BlobsSideCar,
     Randao,
     Deposit,
     VoluntaryExit,
@@ -22,7 +23,6 @@ pub enum Domain {
     ContributionAndProof,
     SyncCommitteeSelectionProof,
     ApplicationMask(ApplicationDomain),
-    BlobsSideCar,
 }
 
 /// Lighthouse's internal configuration struct.
@@ -99,6 +99,7 @@ pub struct ChainSpec {
      */
     pub(crate) domain_beacon_proposer: u32,
     pub(crate) domain_beacon_attester: u32,
+    pub(crate) domain_blobs_sidecar: u32,
     pub(crate) domain_randao: u32,
     pub(crate) domain_deposit: u32,
     pub(crate) domain_voluntary_exit: u32,
@@ -340,6 +341,7 @@ impl ChainSpec {
         match domain {
             Domain::BeaconProposer => self.domain_beacon_proposer,
             Domain::BeaconAttester => self.domain_beacon_attester,
+            Domain::BlobsSideCar => self.domain_blobs_sidecar,
             Domain::Randao => self.domain_randao,
             Domain::Deposit => self.domain_deposit,
             Domain::VoluntaryExit => self.domain_voluntary_exit,
@@ -529,6 +531,7 @@ impl ChainSpec {
             domain_voluntary_exit: 4,
             domain_selection_proof: 5,
             domain_aggregate_and_proof: 6,
+            domain_blobs_sidecar: 10, // 0x0a000000
 
             /*
              * Fork choice
@@ -743,6 +746,7 @@ impl ChainSpec {
             domain_voluntary_exit: 4,
             domain_selection_proof: 5,
             domain_aggregate_and_proof: 6,
+            domain_blobs_sidecar: 10,
 
             /*
              * Fork choice
@@ -1181,6 +1185,7 @@ mod tests {
 
         test_domain(Domain::BeaconProposer, spec.domain_beacon_proposer, &spec);
         test_domain(Domain::BeaconAttester, spec.domain_beacon_attester, &spec);
+        test_domain(Domain::BlobsSideCar, spec.domain_blobs_sidecar, &spec);
         test_domain(Domain::Randao, spec.domain_randao, &spec);
         test_domain(Domain::Deposit, spec.domain_deposit, &spec);
         test_domain(Domain::VoluntaryExit, spec.domain_voluntary_exit, &spec);

consensus/types/src/config_and_preset.rs

@@ -72,6 +72,7 @@ pub fn get_extra_fields(spec: &ChainSpec) -> HashMap<String, Value> {
         "bls_withdrawal_prefix".to_uppercase() => u8_hex(spec.bls_withdrawal_prefix_byte),
         "domain_beacon_proposer".to_uppercase() => u32_hex(spec.domain_beacon_proposer),
         "domain_beacon_attester".to_uppercase() => u32_hex(spec.domain_beacon_attester),
+        "domain_blobs_sidecar".to_uppercase() => u32_hex(spec.domain_blobs_sidecar),
         "domain_randao".to_uppercase()=> u32_hex(spec.domain_randao),
         "domain_deposit".to_uppercase()=> u32_hex(spec.domain_deposit),
         "domain_voluntary_exit".to_uppercase() => u32_hex(spec.domain_voluntary_exit),

consensus/types/src/lib.rs

@@ -157,6 +157,7 @@ pub use crate::signed_beacon_block::{
     SignedBeaconBlockHash, SignedBeaconBlockMerge, SignedBlindedBeaconBlock,
 };
 pub use crate::signed_beacon_block_header::SignedBeaconBlockHeader;
+pub use crate::signed_blobs_sidecar::SignedBlobsSidecar;
 pub use crate::signed_contribution_and_proof::SignedContributionAndProof;
 pub use crate::signed_voluntary_exit::SignedVoluntaryExit;
 pub use crate::signing_data::{SignedRoot, SigningData};
@@ -183,7 +184,8 @@ pub type Uint256 = ethereum_types::U256;
 pub type Address = H160;
 pub type ForkVersion = [u8; 4];
 pub type BLSFieldElement = Uint256;
-pub type Blob<T> = FixedVector<BLSFieldElement, T>;
+pub type Blob<T> = FixedVector<BLSFieldElement, <T as EthSpec>::FieldElementsPerBlob>;
+pub type Polynomial<T> = VariableList<BLSFieldElement, <T as EthSpec>::FieldElementsPerBlob>;
 
 pub use bls::{
     AggregatePublicKey, AggregateSignature, Keypair, PublicKey, PublicKeyBytes, SecretKey,