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EIP-7742 Add targetBlobCount and maximumBlobCount to engine_forkchoic…
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118 changes: 118 additions & 0 deletions
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...erledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineForkchoiceUpdatedV4.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| /* | ||
| * Copyright contributors to Hyperledger Besu. | ||
| * | ||
| * 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. | ||
| * | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
| package org.hyperledger.besu.ethereum.api.jsonrpc.internal.methods.engine; | ||
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|
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| import static org.hyperledger.besu.datatypes.HardforkId.MainnetHardforkId.PRAGUE; | ||
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|
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| import org.hyperledger.besu.consensus.merge.blockcreation.MergeMiningCoordinator; | ||
| import org.hyperledger.besu.ethereum.ProtocolContext; | ||
| import org.hyperledger.besu.ethereum.api.jsonrpc.RpcMethod; | ||
| import org.hyperledger.besu.ethereum.api.jsonrpc.internal.parameters.EngineForkchoiceUpdatedParameter; | ||
| import org.hyperledger.besu.ethereum.api.jsonrpc.internal.parameters.EnginePayloadAttributesParameter; | ||
| import org.hyperledger.besu.ethereum.api.jsonrpc.internal.response.JsonRpcErrorResponse; | ||
| import org.hyperledger.besu.ethereum.api.jsonrpc.internal.response.RpcErrorType; | ||
| import org.hyperledger.besu.ethereum.mainnet.ProtocolSchedule; | ||
| import org.hyperledger.besu.ethereum.mainnet.ValidationResult; | ||
|
|
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| import java.util.Optional; | ||
|
|
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| import io.vertx.core.Vertx; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
|
|
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| public class EngineForkchoiceUpdatedV4 extends AbstractEngineForkchoiceUpdated { | ||
|
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| private static final Logger LOG = LoggerFactory.getLogger(EngineForkchoiceUpdatedV4.class); | ||
| protected final Optional<Long> pragueMilestone; | ||
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| public EngineForkchoiceUpdatedV4( | ||
| final Vertx vertx, | ||
| final ProtocolSchedule protocolSchedule, | ||
| final ProtocolContext protocolContext, | ||
| final MergeMiningCoordinator mergeCoordinator, | ||
| final EngineCallListener engineCallListener) { | ||
| super(vertx, protocolSchedule, protocolContext, mergeCoordinator, engineCallListener); | ||
| this.pragueMilestone = protocolSchedule.milestoneFor(PRAGUE); | ||
| } | ||
|
|
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| @Override | ||
| public String getName() { | ||
| return RpcMethod.ENGINE_FORKCHOICE_UPDATED_V4.getMethodName(); | ||
| } | ||
|
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| @Override | ||
| protected ValidationResult<RpcErrorType> validateParameter( | ||
| final EngineForkchoiceUpdatedParameter fcuParameter, | ||
| final Optional<EnginePayloadAttributesParameter> maybePayloadAttributes) { | ||
| if (fcuParameter.getHeadBlockHash() == null) { | ||
| return ValidationResult.invalid( | ||
| getInvalidPayloadAttributesError(), "Missing head block hash"); | ||
| } else if (fcuParameter.getSafeBlockHash() == null) { | ||
| return ValidationResult.invalid( | ||
| getInvalidPayloadAttributesError(), "Missing safe block hash"); | ||
| } else if (fcuParameter.getFinalizedBlockHash() == null) { | ||
| return ValidationResult.invalid( | ||
| getInvalidPayloadAttributesError(), "Missing finalized block hash"); | ||
| } | ||
| if (maybePayloadAttributes.isPresent()) { | ||
| if (maybePayloadAttributes.get().getParentBeaconBlockRoot() == null) { | ||
| return ValidationResult.invalid( | ||
| getInvalidPayloadAttributesError(), "Missing parent beacon block root hash"); | ||
| } | ||
| if (maybePayloadAttributes.get().getTargetBlobCount() == null) { | ||
| return ValidationResult.invalid( | ||
| getInvalidPayloadAttributesError(), "Missing target blob count"); | ||
| } | ||
| if (maybePayloadAttributes.get().getMaximumBlobCount() == null) { | ||
| return ValidationResult.invalid( | ||
| getInvalidPayloadAttributesError(), "Missing maximum blob count"); | ||
| } | ||
| } | ||
| return ValidationResult.valid(); | ||
| } | ||
|
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| @Override | ||
| protected ValidationResult<RpcErrorType> validateForkSupported(final long blockTimestamp) { | ||
| return ForkSupportHelper.validateForkSupported(PRAGUE, pragueMilestone, blockTimestamp); | ||
| } | ||
|
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| @Override | ||
| protected Optional<JsonRpcErrorResponse> isPayloadAttributesValid( | ||
| final Object requestId, final EnginePayloadAttributesParameter payloadAttributes) { | ||
| if (payloadAttributes.getParentBeaconBlockRoot() == null) { | ||
| LOG.error( | ||
| "Parent beacon block root hash not present in payload attributes after cancun hardfork"); | ||
| return Optional.of(new JsonRpcErrorResponse(requestId, getInvalidPayloadAttributesError())); | ||
| } | ||
| if (payloadAttributes.getTargetBlobCount() == null) { | ||
| LOG.error("targetBlobCount not present in payload attributes after prague hardfork"); | ||
| return Optional.of(new JsonRpcErrorResponse(requestId, getInvalidPayloadAttributesError())); | ||
| } | ||
| if (payloadAttributes.getMaximumBlobCount() == null) { | ||
| LOG.error("maximumBlobCount not present in payload attributes after prague hardfork"); | ||
| return Optional.of(new JsonRpcErrorResponse(requestId, getInvalidPayloadAttributesError())); | ||
| } | ||
|
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| if (payloadAttributes.getTimestamp() == 0) { | ||
| return Optional.of(new JsonRpcErrorResponse(requestId, getInvalidPayloadAttributesError())); | ||
| } | ||
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| if (pragueMilestone.isEmpty() || payloadAttributes.getTimestamp() < pragueMilestone.get()) { | ||
| return Optional.of(new JsonRpcErrorResponse(requestId, RpcErrorType.UNSUPPORTED_FORK)); | ||
| } | ||
|
|
||
| return Optional.empty(); | ||
| } | ||
| } |
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