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Add BlobSidecar by root RPC verification (Consensys#7645)
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54 changes: 54 additions & 0 deletions
54
...tech/pegasys/teku/networking/eth2/rpc/beaconchain/methods/BlobSidecarByRootValidator.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| /* | ||
| * Copyright Consensys Software Inc., 2022 | ||
| * | ||
| * 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.networking.eth2.rpc.beaconchain.methods; | ||
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| import static tech.pegasys.teku.networking.eth2.rpc.beaconchain.methods.BlobSidecarsResponseInvalidResponseException.InvalidResponseType.BLOB_SIDECAR_KZG_VERIFICATION_FAILED; | ||
| import static tech.pegasys.teku.networking.eth2.rpc.beaconchain.methods.BlobSidecarsResponseInvalidResponseException.InvalidResponseType.BLOB_SIDECAR_UNEXPECTED_IDENTIFIER; | ||
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| import java.util.Set; | ||
| import tech.pegasys.teku.kzg.KZG; | ||
| import tech.pegasys.teku.networking.p2p.peer.Peer; | ||
| import tech.pegasys.teku.spec.Spec; | ||
| import tech.pegasys.teku.spec.datastructures.blobs.versions.deneb.BlobSidecar; | ||
| import tech.pegasys.teku.spec.datastructures.networking.libp2p.rpc.BlobIdentifier; | ||
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| public class BlobSidecarByRootValidator extends AbstractBlobSidecarsValidator { | ||
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| private final Peer peer; | ||
| private final Set<BlobIdentifier> expectedBlobIdentifiers; | ||
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| public BlobSidecarByRootValidator( | ||
| final Peer peer, | ||
| final Spec spec, | ||
| final KZG kzg, | ||
| final Set<BlobIdentifier> expectedBlobIdentifiers) { | ||
| super(spec, kzg); | ||
| this.peer = peer; | ||
| this.expectedBlobIdentifiers = expectedBlobIdentifiers; | ||
| } | ||
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| public void validateBlobSidecar(final BlobSidecar blobSidecar) { | ||
| final BlobIdentifier blobIdentifier = | ||
| new BlobIdentifier(blobSidecar.getBlockRoot(), blobSidecar.getIndex()); | ||
| if (!expectedBlobIdentifiers.contains(blobIdentifier)) { | ||
| throw new BlobSidecarsResponseInvalidResponseException( | ||
| peer, BLOB_SIDECAR_UNEXPECTED_IDENTIFIER); | ||
| } | ||
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| if (!verifyBlobSidecarKzg(blobSidecar)) { | ||
| throw new BlobSidecarsResponseInvalidResponseException( | ||
| peer, BLOB_SIDECAR_KZG_VERIFICATION_FAILED); | ||
| } | ||
| } | ||
| } |
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58 changes: 58 additions & 0 deletions
58
...ku/networking/eth2/rpc/beaconchain/methods/BlobSidecarsByRootListenerValidatingProxy.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| /* | ||
| * Copyright Consensys Software Inc., 2022 | ||
| * | ||
| * 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.networking.eth2.rpc.beaconchain.methods; | ||
|
|
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| import java.util.HashSet; | ||
| import java.util.List; | ||
| import java.util.Set; | ||
| import tech.pegasys.teku.infrastructure.async.SafeFuture; | ||
| import tech.pegasys.teku.kzg.KZG; | ||
| import tech.pegasys.teku.networking.p2p.peer.Peer; | ||
| import tech.pegasys.teku.networking.p2p.rpc.RpcResponseListener; | ||
| import tech.pegasys.teku.spec.Spec; | ||
| import tech.pegasys.teku.spec.datastructures.blobs.versions.deneb.BlobSidecar; | ||
| import tech.pegasys.teku.spec.datastructures.networking.libp2p.rpc.BlobIdentifier; | ||
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| public class BlobSidecarsByRootListenerValidatingProxy implements RpcResponseListener<BlobSidecar> { | ||
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| private final Peer peer; | ||
| private final Spec spec; | ||
| private final RpcResponseListener<BlobSidecar> blobSidecarResponseListener; | ||
| private final Set<BlobIdentifier> expectedBlobIdentifiers; | ||
| private final KZG kzg; | ||
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| public BlobSidecarsByRootListenerValidatingProxy( | ||
| final Peer peer, | ||
| final Spec spec, | ||
| final RpcResponseListener<BlobSidecar> blobSidecarResponseListener, | ||
| final KZG kzg, | ||
| final List<BlobIdentifier> expectedBlobIdentifiers) { | ||
| this.peer = peer; | ||
| this.spec = spec; | ||
| this.blobSidecarResponseListener = blobSidecarResponseListener; | ||
| this.kzg = kzg; | ||
| this.expectedBlobIdentifiers = new HashSet<>(expectedBlobIdentifiers); | ||
| } | ||
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| @Override | ||
| public SafeFuture<?> onResponse(final BlobSidecar blobSidecar) { | ||
| return SafeFuture.of( | ||
| () -> { | ||
| final BlobSidecarByRootValidator blobSidecarByRootValidator = | ||
| new BlobSidecarByRootValidator(peer, spec, kzg, expectedBlobIdentifiers); | ||
| blobSidecarByRootValidator.validateBlobSidecar(blobSidecar); | ||
| return blobSidecarResponseListener.onResponse(blobSidecar); | ||
| }); | ||
| } | ||
| } |
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