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[hyperledger#6301] Track bad block cause (hyperledger#6622)
Signed-off-by: mbaxter <mbaxter.dev@gmail.com> Signed-off-by: amsmota <antonio.mota@citi.com>
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83
ethereum/core/src/main/java/org/hyperledger/besu/ethereum/chain/BadBlockCause.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| /* | ||
| * Copyright Hyperledger Besu Contributors. | ||
| * | ||
| * 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.chain; | ||
|
|
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| import org.hyperledger.besu.ethereum.core.Block; | ||
|
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| import java.util.Optional; | ||
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| public class BadBlockCause { | ||
| public enum BadBlockReason { | ||
| // Standard spec-related validation failures | ||
| SPEC_VALIDATION_FAILURE, | ||
| // When an unexpected exception occurs during block processing | ||
| EXCEPTIONAL_BLOCK_PROCESSING, | ||
| // This block is bad because it descends from a bad block | ||
| DESCENDS_FROM_BAD_BLOCK, | ||
| } | ||
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|
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| private final BadBlockReason reason; | ||
| private final String description; | ||
| private final Optional<Throwable> exception; | ||
|
|
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| public static BadBlockCause fromProcessingError(final Throwable t) { | ||
| final String description = t.getLocalizedMessage(); | ||
| return new BadBlockCause( | ||
| BadBlockReason.EXCEPTIONAL_BLOCK_PROCESSING, description, Optional.of(t)); | ||
| } | ||
|
|
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| public static BadBlockCause fromBadAncestorBlock(final Block badAncestor) { | ||
| final String description = | ||
| String.format("Descends from bad block %s", badAncestor.toLogString()); | ||
| return new BadBlockCause(BadBlockReason.DESCENDS_FROM_BAD_BLOCK, description, Optional.empty()); | ||
| } | ||
|
|
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| public static BadBlockCause fromValidationFailure(final String failureMessage) { | ||
| return new BadBlockCause( | ||
| BadBlockReason.SPEC_VALIDATION_FAILURE, failureMessage, Optional.empty()); | ||
| } | ||
|
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| private BadBlockCause(BadBlockReason reason, String description, Optional<Throwable> exception) { | ||
| this.reason = reason; | ||
| this.description = description; | ||
| this.exception = exception; | ||
| } | ||
|
|
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| public BadBlockReason getReason() { | ||
| return reason; | ||
| } | ||
|
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| public String getDescription() { | ||
| return description; | ||
| } | ||
|
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| public Optional<Throwable> getException() { | ||
| return exception; | ||
| } | ||
|
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| @Override | ||
| public String toString() { | ||
| return "BadBlockCause{" | ||
| + "reason=" | ||
| + reason | ||
| + ", description='" | ||
| + description | ||
| + '\'' | ||
| + ", exception=" | ||
| + exception | ||
| + '}'; | ||
| } | ||
| } |
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