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Support Deneb fork choice reference tests (Consensys#7541)
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138 changes: 138 additions & 0 deletions
138
...erenceTest/java/tech/pegasys/teku/reference/phase0/forkchoice/StubBlobSidecarManager.java
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| /* | ||
| * Copyright Consensys Software Inc., 2023 | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with | ||
| * the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on | ||
| * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations under the License. | ||
| */ | ||
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| package tech.pegasys.teku.reference.phase0.forkchoice; | ||
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| import java.util.Collections; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import org.apache.tuweni.bytes.Bytes; | ||
| import org.apache.tuweni.bytes.Bytes32; | ||
| import tech.pegasys.teku.infrastructure.async.SafeFuture; | ||
| import tech.pegasys.teku.infrastructure.unsigned.UInt64; | ||
| import tech.pegasys.teku.kzg.KZGCommitment; | ||
| import tech.pegasys.teku.kzg.KZGProof; | ||
| import tech.pegasys.teku.spec.Spec; | ||
| import tech.pegasys.teku.spec.datastructures.blobs.versions.deneb.Blob; | ||
| import tech.pegasys.teku.spec.datastructures.blobs.versions.deneb.BlobSidecar; | ||
| import tech.pegasys.teku.spec.datastructures.blobs.versions.deneb.SignedBlobSidecar; | ||
| import tech.pegasys.teku.spec.datastructures.blocks.SignedBeaconBlock; | ||
| import tech.pegasys.teku.spec.datastructures.blocks.blockbody.versions.deneb.BeaconBlockBodyDeneb; | ||
| import tech.pegasys.teku.spec.datastructures.type.SszKZGCommitment; | ||
| import tech.pegasys.teku.spec.logic.common.helpers.MiscHelpers; | ||
| import tech.pegasys.teku.spec.logic.versions.deneb.blobs.BlobSidecarsAndValidationResult; | ||
| import tech.pegasys.teku.spec.logic.versions.deneb.blobs.BlobSidecarsAvailabilityChecker; | ||
| import tech.pegasys.teku.statetransition.blobs.BlobSidecarManager; | ||
| import tech.pegasys.teku.statetransition.validation.InternalValidationResult; | ||
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| /** Simplified version of {@link BlobSidecarManager} which is used in fork choice reference tests */ | ||
| class StubBlobSidecarManager implements BlobSidecarManager { | ||
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| private final Map<Bytes32, BlobsAndProofs> blobsAndProofsByBlockRoot = new HashMap<>(); | ||
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| private final Spec spec; | ||
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| StubBlobSidecarManager(final Spec spec) { | ||
| this.spec = spec; | ||
| } | ||
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| /** Prepare the blobs and proofs for a block provided by the reference test * */ | ||
| public void prepareBlobsAndProofsForBlock( | ||
| final SignedBeaconBlock block, final List<Blob> blobs, final List<KZGProof> proofs) { | ||
| blobsAndProofsByBlockRoot.put(block.getRoot(), new BlobsAndProofs(blobs, proofs)); | ||
| } | ||
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| @Override | ||
| public SafeFuture<InternalValidationResult> validateAndPrepareForBlockImport( | ||
| final SignedBlobSidecar signedBlobSidecar) { | ||
| return SafeFuture.failedFuture( | ||
| new UnsupportedOperationException("Not available in fork choice reference tests")); | ||
| } | ||
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| @Override | ||
| public void prepareForBlockImport(final BlobSidecar blobSidecar) { | ||
| // NOOP | ||
| } | ||
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| @Override | ||
| public void subscribeToReceivedBlobSidecar( | ||
| final ReceivedBlobSidecarListener receivedBlobSidecarListener) { | ||
| // NOOP | ||
| } | ||
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| @Override | ||
| public boolean isAvailabilityRequiredAtSlot(final UInt64 slot) { | ||
| // NOOP | ||
| return false; | ||
| } | ||
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| /** | ||
| * Creates an implementation of {@link BlobSidecarsAvailabilityChecker} which uses the simplified | ||
| * {@link MiscHelpers#isDataAvailable(List, List, List)} method with the blobs and proofs that the | ||
| * reference test has provided | ||
| */ | ||
| @Override | ||
| public BlobSidecarsAvailabilityChecker createAvailabilityChecker(final SignedBeaconBlock block) { | ||
| return new BlobSidecarsAvailabilityChecker() { | ||
| @Override | ||
| public boolean initiateDataAvailabilityCheck() { | ||
| return true; | ||
| } | ||
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| @Override | ||
| public SafeFuture<BlobSidecarsAndValidationResult> getAvailabilityCheckResult() { | ||
| final BlobsAndProofs blobsAndProofs = blobsAndProofsByBlockRoot.remove(block.getRoot()); | ||
| if (blobsAndProofs == null) { | ||
| return SafeFuture.completedFuture(BlobSidecarsAndValidationResult.NOT_REQUIRED); | ||
| } | ||
| return SafeFuture.completedFuture(validateImmediately(block, blobsAndProofs)); | ||
| } | ||
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| @Override | ||
| public BlobSidecarsAndValidationResult validateImmediately( | ||
| final List<BlobSidecar> blobSidecars) { | ||
| throw new UnsupportedOperationException("Not available in fork choice reference tests"); | ||
| } | ||
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| private BlobSidecarsAndValidationResult validateImmediately( | ||
| final SignedBeaconBlock block, final BlobsAndProofs blobsAndProofs) { | ||
| final List<KZGCommitment> kzgCommitments = | ||
| BeaconBlockBodyDeneb.required(block.getMessage().getBody()) | ||
| .getBlobKzgCommitments() | ||
| .stream() | ||
| .map(SszKZGCommitment::getKZGCommitment) | ||
| .toList(); | ||
| final List<Bytes> blobs = blobsAndProofs.blobs.stream().map(Blob::getBytes).toList(); | ||
| try { | ||
| if (!spec.atSlot(block.getSlot()) | ||
| .miscHelpers() | ||
| .isDataAvailable(blobs, kzgCommitments, blobsAndProofs.proofs)) { | ||
| return BlobSidecarsAndValidationResult.invalidResult(Collections.emptyList()); | ||
| } | ||
| } catch (final Exception ex) { | ||
| return BlobSidecarsAndValidationResult.invalidResult(Collections.emptyList(), ex); | ||
| } | ||
| return BlobSidecarsAndValidationResult.validResult(Collections.emptyList()); | ||
| } | ||
| }; | ||
| } | ||
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| @Override | ||
| public BlobSidecarsAndValidationResult createAvailabilityCheckerAndValidateImmediately( | ||
| final SignedBeaconBlock block, final List<BlobSidecar> blobSidecars) { | ||
| throw new UnsupportedOperationException("Not available in fork choice reference tests"); | ||
| } | ||
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| private record BlobsAndProofs(List<Blob> blobs, List<KZGProof> proofs) {} | ||
| } |
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