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Offloading KZG Proof Computation from the beacon node (#7117)

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Addresses #7108

- Add EL integration for `getPayloadV5` and `getBlobsV2`
- Offload proof computation and use proofs from EL RPC APIs
This commit is contained in:
Jimmy Chen
2025-04-08 17:37:16 +10:00
committed by GitHub
parent e924264e17
commit 759b0612b3
31 changed files with 721 additions and 476 deletions
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37
beacon_node/execution_layer/src/engine_api/http.rs
View File

@@ -61,6 +61,7 @@ pub const ENGINE_GET_CLIENT_VERSION_V1: &str = "engine_getClientVersionV1";
pub const ENGINE_GET_CLIENT_VERSION_TIMEOUT: Duration = Duration::from_secs(1);
pub const ENGINE_GET_BLOBS_V1: &str = "engine_getBlobsV1";
pub const ENGINE_GET_BLOBS_V2: &str = "engine_getBlobsV2";
pub const ENGINE_GET_BLOBS_TIMEOUT: Duration = Duration::from_secs(1);
/// This error is returned during a `chainId` call by Geth.
@@ -87,6 +88,7 @@ pub static LIGHTHOUSE_CAPABILITIES: &[&str] = &[
ENGINE_GET_PAYLOAD_BODIES_BY_RANGE_V1,
ENGINE_GET_CLIENT_VERSION_V1,
ENGINE_GET_BLOBS_V1,
ENGINE_GET_BLOBS_V2,
];
/// We opt to initialize the JsonClientVersionV1 rather than the ClientVersionV1
@@ -708,7 +710,7 @@ impl HttpJsonRpc {
}
}
pub async fn get_blobs<E: EthSpec>(
pub async fn get_blobs_v1<E: EthSpec>(
&self,
versioned_hashes: Vec<Hash256>,
) -> Result<Vec<Option<BlobAndProofV1<E>>>, Error> {
@@ -722,6 +724,20 @@ impl HttpJsonRpc {
.await
}
pub async fn get_blobs_v2<E: EthSpec>(
&self,
versioned_hashes: Vec<Hash256>,
) -> Result<Vec<Option<BlobAndProofV2<E>>>, Error> {
let params = json!([versioned_hashes]);
self.rpc_request(
ENGINE_GET_BLOBS_V2,
params,
ENGINE_GET_BLOBS_TIMEOUT * self.execution_timeout_multiplier,
)
.await
}
pub async fn get_block_by_number(
&self,
query: BlockByNumberQuery<'_>,
@@ -963,19 +979,6 @@ impl HttpJsonRpc {
.try_into()
.map_err(Error::BadResponse)
}
// TODO(fulu): remove when v5 method is ready.
ForkName::Fulu => {
let response: JsonGetPayloadResponseV5<E> = self
.rpc_request(
ENGINE_GET_PAYLOAD_V4,
params,
ENGINE_GET_PAYLOAD_TIMEOUT * self.execution_timeout_multiplier,
)
.await?;
JsonGetPayloadResponse::V5(response)
.try_into()
.map_err(Error::BadResponse)
}
_ => Err(Error::UnsupportedForkVariant(format!(
"called get_payload_v4 with {}",
fork_name
@@ -1148,6 +1151,7 @@ impl HttpJsonRpc {
get_payload_v5: capabilities.contains(ENGINE_GET_PAYLOAD_V5),
get_client_version_v1: capabilities.contains(ENGINE_GET_CLIENT_VERSION_V1),
get_blobs_v1: capabilities.contains(ENGINE_GET_BLOBS_V1),
get_blobs_v2: capabilities.contains(ENGINE_GET_BLOBS_V2),
})
}
@@ -1320,9 +1324,8 @@ impl HttpJsonRpc {
}
}
ForkName::Fulu => {
// TODO(fulu): switch to v5 when the EL is ready
if engine_capabilities.get_payload_v4 {
self.get_payload_v4(fork_name, payload_id).await
if engine_capabilities.get_payload_v5 {
self.get_payload_v5(fork_name, payload_id).await
} else {
Err(Error::RequiredMethodUnsupported("engine_getPayloadv5"))
}

15
beacon_node/execution_layer/src/engine_api/json_structures.rs
View File

@@ -717,12 +717,23 @@ impl<E: EthSpec> From<JsonBlobsBundleV1<E>> for BlobsBundle<E> {
}
}
#[superstruct(
variants(V1, V2),
variant_attributes(
derive(Debug, Clone, PartialEq, Serialize, Deserialize),
serde(bound = "E: EthSpec", rename_all = "camelCase")
)
)]
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
#[serde(bound = "E: EthSpec", rename_all = "camelCase")]
pub struct BlobAndProofV1<E: EthSpec> {
pub struct BlobAndProof<E: EthSpec> {
#[serde(with = "ssz_types::serde_utils::hex_fixed_vec")]
pub blob: Blob<E>,
/// KZG proof for the blob (Deneb)
#[superstruct(only(V1))]
pub proof: KzgProof,
/// KZG cell proofs for the extended blob (PeerDAS)
#[superstruct(only(V2))]
pub proofs: KzgProofs<E>,
}
#[derive(Debug, PartialEq, Clone, Serialize, Deserialize)]