add engine_getBlobV1

beacon_node/execution_layer/src/engine_api.rs

@@ -11,6 +11,10 @@ pub use types::{
 };
 
 pub mod auth;
+use crate::engines::ForkChoiceState;
+pub use types::{Address, EthSpec, ExecutionPayload, Hash256, Uint256};
+use types::{Blob, KZGCommitment};
+
 pub mod http;
 pub mod json_structures;
 
@@ -166,3 +170,9 @@ pub struct ProposeBlindedBlockResponse {
     pub latest_valid_hash: Option<Hash256>,
     pub validation_error: Option<String>,
 }
+
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
+pub struct BlobDetailsV1 {
+    kzg: KZGCommitment,
+    blob: Vec<Hash256>,
+}

beacon_node/execution_layer/src/engine_api/http.rs

@@ -34,6 +34,9 @@ pub const ENGINE_NEW_PAYLOAD_TIMEOUT: Duration = Duration::from_secs(8);
 pub const ENGINE_GET_PAYLOAD_V1: &str = "engine_getPayloadV1";
 pub const ENGINE_GET_PAYLOAD_TIMEOUT: Duration = Duration::from_secs(2);
 
+pub const ENGINE_GET_BLOB_V1: &str = "engine_getBlobV1";
+pub const ENGINE_GET_BLOB_TIMEOUT: Duration = Duration::from_secs(2);
+
 pub const ENGINE_FORKCHOICE_UPDATED_V1: &str = "engine_forkchoiceUpdatedV1";
 pub const ENGINE_FORKCHOICE_UPDATED_TIMEOUT: Duration = Duration::from_secs(8);
 
@@ -664,6 +667,20 @@ impl HttpJsonRpc {
         Ok(response.into())
     }
 
+    async fn get_blob_v1<T: EthSpec>(
+        &self,
+        payload_id: PayloadId,
+        versioned_hash: Hash256,
+    ) -> Result<BlobDetailsV1, Error> {
+        let params = json!([JsonPayloadIdRequest::from(payload_id), versioned_hash]);
+
+        let response: BlobDetailsV1 = self
+            .rpc_request(ENGINE_GET_BLOB_V1, params, ENGINE_GET_BLOB_TIMEOUT)
+            .await?;
+
+        Ok(response.into())
+    }
+
     pub async fn forkchoice_updated_v1(
         &self,
         forkchoice_state: ForkChoiceState,

consensus/types/src/blob_wrapper.rs

@@ -1,6 +1,6 @@
-use crate::{Blob, EthSpec, Hash256, SignedBeaconBlock, Slot};
+use crate::{Blob, EthSpec, Hash256, Slot};
 use serde_derive::{Deserialize, Serialize};
-use ssz::{Decode, Encode};
+use ssz::Encode;
 use ssz_derive::{Decode, Encode};
 use ssz_types::VariableList;
 use tree_hash::TreeHash;