Skeleton

beacon_node/beacon_chain/src/kzg_utils.rs

@@ -0,0 +1,27 @@
+use types::{Blob, BlobsSidecar, EthSpec, KzgCommitment, KzgProof};
+
+pub fn validate_blobs_sidecar(
+    slot: Slot,
+    beacon_block_root: Hash256,
+    expected_kzg_commitments: &[KzgCommitment],
+    blobs_sidecar: BlobsSidecar<T: EthSpec>,
+) -> bool {
+    //TODO(pawan): change to a Result later
+    if slot != blobs_sidecar.blobs
+        || beacon_block_root != blobs_sidecar.beacon_block_root
+        || blobs_sidecar.blobs.len() != expected_kzg_commitments.len()
+        || !verify_aggregate_kzg_proof(
+            blobs_sidecar.blobs,
+            expected_kzg_commitments,
+            blobs_sidecar.kzg_aggregate_proof,
+        )
+    {
+        return false;
+    } else {
+        return true;
+    }
+}
+
+pub fn compute_aggregate_kzg_proof(blobs: &[Blob<T: EthSpec>]) -> KzgProof {
+    unimplemented!()
+}