Block processing eip4844 (#3673)

* add eip4844 block processing

* fix blob processing code

* consensus logic fixes and cleanup

* use safe arith

consensus/state_processing/src/per_block_processing/errors.rs

@@ -1,6 +1,7 @@
 use super::signature_sets::Error as SignatureSetError;
 use merkle_proof::MerkleTreeError;
 use safe_arith::ArithError;
+use ssz::DecodeError;
 use types::*;
 
 /// The error returned from the `per_block_processing` function. Indicates that a block is either
@@ -53,6 +54,7 @@ pub enum BlockProcessingError {
     BeaconStateError(BeaconStateError),
     SignatureSetError(SignatureSetError),
     SszTypesError(ssz_types::Error),
+    SszDecodeError(DecodeError),
     MerkleTreeError(MerkleTreeError),
     ArithError(ArithError),
     InconsistentBlockFork(InconsistentFork),
@@ -70,6 +72,18 @@ pub enum BlockProcessingError {
         found: u64,
     },
     ExecutionInvalid,
+    BlobVersionHashMismatch,
+    /// The number of commitments in blob transactions in the payload does not match the number
+    /// of commitments in the block.
+    BlobNumCommitmentsMismatch {
+        commitments_processed_in_block: usize,
+        /// This number depic
+        commitments_processed_in_transactions: usize,
+    },
+    BlobVersionHashIndexOutOfBounds {
+        index: usize,
+        length: usize,
+    },
 }
 
 impl From<BeaconStateError> for BlockProcessingError {
@@ -90,6 +104,12 @@ impl From<ssz_types::Error> for BlockProcessingError {
     }
 }
 
+impl From<DecodeError> for BlockProcessingError {
+    fn from(error: DecodeError) -> Self {
+        BlockProcessingError::SszDecodeError(error)
+    }
+}
+
 impl From<ArithError> for BlockProcessingError {
     fn from(e: ArithError) -> Self {
         BlockProcessingError::ArithError(e)