feat: implement EIP-7549

packages/api/src/beacon/routes/beacon/pool.ts

@@ -1,4 +1,4 @@
-import {phase0, altair, capella, CommitteeIndex, Slot, ssz} from "@lodestar/types";
+import {phase0, altair, capella, CommitteeIndex, Slot, ssz, allForks} from "@lodestar/types";
 import {ApiClientResponse} from "../../../interfaces.js";
 import {HttpStatusCode} from "../../../utils/client/httpStatusCode.js";
 import {
@@ -80,7 +80,7 @@ export type Api = {
    * @throws ApiError
    */
   submitPoolAttestations(
-    attestations: phase0.Attestation[]
+    attestations: allForks.Attestation[]
   ): Promise<ApiClientResponse<{[HttpStatusCode.OK]: void}, HttpStatusCode.BAD_REQUEST>>;
 
   /**

packages/api/src/beacon/routes/events.ts

@@ -89,10 +89,10 @@ export type EventData = {
     block: RootHex;
     executionOptimistic: boolean;
   };
-  [EventType.attestation]: phase0.Attestation;
+  [EventType.attestation]: {version: ForkName; data: allForks.Attestation};
   [EventType.voluntaryExit]: phase0.SignedVoluntaryExit;
   [EventType.proposerSlashing]: phase0.ProposerSlashing;
-  [EventType.attesterSlashing]: phase0.AttesterSlashing;
+  [EventType.attesterSlashing]: {version: ForkName; data: allForks.AttesterSlashing};
   [EventType.blsToExecutionChange]: capella.SignedBLSToExecutionChange;
   [EventType.finalizedCheckpoint]: {
     block: RootHex;
@@ -180,10 +180,10 @@ export function getTypeByEvent(): {[K in EventType]: TypeJson<EventData[K]>} {
       {jsonCase: "eth2"}
     ),
 
-    [EventType.attestation]: ssz.phase0.Attestation,
+    [EventType.attestation]: WithVersion((fork) => ssz.allForks[fork].Attestation),
     [EventType.voluntaryExit]: ssz.phase0.SignedVoluntaryExit,
     [EventType.proposerSlashing]: ssz.phase0.ProposerSlashing,
-    [EventType.attesterSlashing]: ssz.phase0.AttesterSlashing,
+    [EventType.attesterSlashing]: WithVersion((fork) => ssz.allForks[fork].AttesterSlashing),
     [EventType.blsToExecutionChange]: ssz.capella.SignedBLSToExecutionChange,
 
     [EventType.finalizedCheckpoint]: new ContainerType(

packages/api/src/beacon/routes/validator.ts

@@ -341,7 +341,7 @@ export type Api = {
     slot: Slot
   ): Promise<
     ApiClientResponse<
-      {[HttpStatusCode.OK]: {data: phase0.Attestation}},
+      {[HttpStatusCode.OK]: {data: allForks.Attestation; version: ForkName}},
       HttpStatusCode.BAD_REQUEST | HttpStatusCode.NOT_FOUND
     >
   >;
@@ -354,7 +354,7 @@ export type Api = {
    * @throws ApiError
    */
   publishAggregateAndProofs(
-    signedAggregateAndProofs: phase0.SignedAggregateAndProof[]
+    signedAggregateAndProofs: allForks.SignedAggregateAndProof[] // TODO Electra: Add version
   ): Promise<ApiClientResponse<{[HttpStatusCode.OK]: void}, HttpStatusCode.BAD_REQUEST>>;
 
   publishContributionAndProofs(
@@ -786,7 +786,7 @@ export function getReturnTypes(): ReturnTypes<Api> {
 
     produceAttestationData: ContainerData(ssz.phase0.AttestationData),
     produceSyncCommitteeContribution: ContainerData(ssz.altair.SyncCommitteeContribution),
-    getAggregatedAttestation: ContainerData(ssz.phase0.Attestation),
+    getAggregatedAttestation: WithVersion((fork) => ssz.allForks[fork].Attestation),
     submitBeaconCommitteeSelections: ContainerData(ArrayOf(BeaconCommitteeSelection)),
     submitSyncCommitteeSelections: ContainerData(ArrayOf(SyncCommitteeSelection)),
     getLiveness: jsonType("snake"),

packages/beacon-node/src/api/impl/beacon/pool/index.ts

@@ -1,6 +1,6 @@
 import {routes, ServerApi} from "@lodestar/api";
 import {Epoch, ssz} from "@lodestar/types";
-import {SYNC_COMMITTEE_SUBNET_SIZE} from "@lodestar/params";
+import {ForkName, SYNC_COMMITTEE_SUBNET_SIZE} from "@lodestar/params";
 import {validateApiAttestation} from "../../../../chain/validation/index.js";
 import {validateApiAttesterSlashing} from "../../../../chain/validation/attesterSlashing.js";
 import {validateApiProposerSlashing} from "../../../../chain/validation/proposerSlashing.js";
@@ -77,7 +77,7 @@ export function getBeaconPoolApi({
               metrics?.opPool.attestationPoolInsertOutcome.inc({insertOutcome});
             }
 
-            chain.emitter.emit(routes.events.EventType.attestation, attestation);
+            chain.emitter.emit(routes.events.EventType.attestation, {data: attestation, version: ForkName.phase0});
 
             const sentPeers = await network.publishBeaconAttestation(attestation, subnet);
             metrics?.onPoolSubmitUnaggregatedAttestation(seenTimestampSec, indexedAttestation, subnet, sentPeers);

packages/beacon-node/src/api/impl/validator/index.ts

@@ -819,6 +819,7 @@ export function getValidatorApi({
       const attEpoch = computeEpochAtSlot(slot);
       const headBlockRootHex = chain.forkChoice.getHead().blockRoot;
       const headBlockRoot = fromHexString(headBlockRootHex);
+      const fork = config.getForkSeq(slot);
 
       const beaconBlockRoot =
         slot >= headSlot
@@ -846,7 +847,7 @@ export function getValidatorApi({
       return {
         data: {
           slot,
-          index: committeeIndex,
+          index: fork >= ForkSeq.electra ? 0 : committeeIndex,
           beaconBlockRoot,
           source: attEpochState.currentJustifiedCheckpoint,
           target: {epoch: attEpoch, root: targetRoot},
@@ -1078,6 +1079,7 @@ export function getValidatorApi({
 
       return {
         data: aggregate,
+        version: config.getForkName(slot),
       };
     },
 

packages/beacon-node/src/chain/blocks/importBlock.ts

@@ -426,12 +426,18 @@ export async function importBlock(
     }
     if (this.emitter.listenerCount(routes.events.EventType.attestation)) {
       for (const attestation of block.message.body.attestations) {
-        this.emitter.emit(routes.events.EventType.attestation, attestation);
+        this.emitter.emit(routes.events.EventType.attestation, {
+          version: this.config.getForkName(blockSlot),
+          data: attestation,
+        });
       }
     }
     if (this.emitter.listenerCount(routes.events.EventType.attesterSlashing)) {
       for (const attesterSlashing of block.message.body.attesterSlashings) {
-        this.emitter.emit(routes.events.EventType.attesterSlashing, attesterSlashing);
+        this.emitter.emit(routes.events.EventType.attesterSlashing, {
+          version: this.config.getForkName(blockSlot),
+          data: attesterSlashing,
+        });
       }
     }
     if (this.emitter.listenerCount(routes.events.EventType.proposerSlashing)) {

packages/beacon-node/src/chain/errors/attestationError.ts

@@ -127,6 +127,14 @@ export enum AttestationErrorCode {
   INVALID_SERIALIZED_BYTES = "ATTESTATION_ERROR_INVALID_SERIALIZED_BYTES",
   /** Too many skipped slots. */
   TOO_MANY_SKIPPED_SLOTS = "ATTESTATION_ERROR_TOO_MANY_SKIPPED_SLOTS",
+  /**
+   * Electra: The aggregated attestation doesn't have only one committee bit set.
+   */
+  NOT_EXACTLY_ONE_COMMITTEE_BIT_SET = "ATTESTATION_ERROR_NOT_EXACTLY_ONE_COMMITTEE_BIT_SET",
+  /**
+   * Electra: Invalid attestationData index: is non-zero
+   */
+  NON_ZERO_ATTESTATION_DATA_INDEX = "ATTESTATION_ERROR_NON_ZERO_ATTESTATION_DATA_INDEX",
 }
 
 export type AttestationErrorType =
@@ -160,7 +168,9 @@ export type AttestationErrorType =
   | {code: AttestationErrorCode.INVALID_AGGREGATOR}
   | {code: AttestationErrorCode.INVALID_INDEXED_ATTESTATION}
   | {code: AttestationErrorCode.INVALID_SERIALIZED_BYTES}
-  | {code: AttestationErrorCode.TOO_MANY_SKIPPED_SLOTS; headBlockSlot: Slot; attestationSlot: Slot};
+  | {code: AttestationErrorCode.TOO_MANY_SKIPPED_SLOTS; headBlockSlot: Slot; attestationSlot: Slot}
+  | {code: AttestationErrorCode.NOT_EXACTLY_ONE_COMMITTEE_BIT_SET}
+  | {code: AttestationErrorCode.NON_ZERO_ATTESTATION_DATA_INDEX};
 
 export class AttestationError extends GossipActionError<AttestationErrorType> {
   getMetadata(): Record<string, string | number | null> {