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Chore: Ensure Backward Sync Correctly Handles Finalized Block Hash #8217

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Chore: Ensure Backward Sync Correctly Handles Finalized Block Hash #8217

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3950e1d
chore:solved backwards synch handle finalized code block has zero cor…
pr9t Feb 2, 2025
5bc24ef
issue attempted
pr9t Feb 3, 2025
60f7286
Chore: Ensure Backward Sync Correctly Handles Finalized Block Hash
pr9t Feb 3, 2025
507e576
Chore: handle Hash.ZERO as a valid finalized block hash
pr9t Feb 4, 2025
ade7872
Chore: updated the logging statements to use LOG.atDebug()
pr9t Feb 5, 2025
ddedaf1
Merge branch 'main' into chore/BackwardsSynchouldHandleFinalizedCode
jflo Feb 21, 2025
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62 changes: 27 additions & 35 deletions ...ge/src/main/java/org/hyperledger/besu/consensus/merge/blockcreation/MergeCoordinator.java
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Original file line number Diff line number Diff line change
Expand Up @@ -14,10 +14,8 @@
*/
package org.hyperledger.besu.consensus.merge.blockcreation;

import static java.util.stream.Collectors.joining;
import static org.hyperledger.besu.consensus.merge.blockcreation.MergeMiningCoordinator.ForkchoiceResult.Status.INVALID;
import static org.hyperledger.besu.ethereum.trie.diffbased.common.provider.WorldStateQueryParams.withBlockHeaderAndUpdateNodeHead;

import com.google.common.annotations.VisibleForTesting;
import org.apache.tuweni.bytes.Bytes32;
import org.hyperledger.besu.consensus.merge.MergeContext;
import org.hyperledger.besu.consensus.merge.PayloadWrapper;
import org.hyperledger.besu.datatypes.Address;
Expand All @@ -30,14 +28,7 @@
import org.hyperledger.besu.ethereum.chain.BadBlockManager;
import org.hyperledger.besu.ethereum.chain.Blockchain;
import org.hyperledger.besu.ethereum.chain.MutableBlockchain;
import org.hyperledger.besu.ethereum.core.Block;
import org.hyperledger.besu.ethereum.core.BlockHeader;
import org.hyperledger.besu.ethereum.core.BlockWithReceipts;
import org.hyperledger.besu.ethereum.core.Difficulty;
import org.hyperledger.besu.ethereum.core.MiningConfiguration;
import org.hyperledger.besu.ethereum.core.MutableWorldState;
import org.hyperledger.besu.ethereum.core.Transaction;
import org.hyperledger.besu.ethereum.core.Withdrawal;
import org.hyperledger.besu.ethereum.core.*;
import org.hyperledger.besu.ethereum.eth.manager.EthScheduler;
import org.hyperledger.besu.ethereum.eth.sync.backwardsync.BackwardSyncContext;
import org.hyperledger.besu.ethereum.eth.sync.backwardsync.BadChainListener;
Expand All @@ -47,6 +38,8 @@
import org.hyperledger.besu.ethereum.mainnet.ProtocolSchedule;
import org.hyperledger.besu.ethereum.trie.MerkleTrieException;
import org.hyperledger.besu.plugin.services.exception.StorageException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.PrintWriter;
import java.io.StringWriter;
Expand All @@ -62,10 +55,9 @@
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.function.Supplier;

import com.google.common.annotations.VisibleForTesting;
import org.apache.tuweni.bytes.Bytes32;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import static java.util.stream.Collectors.joining;
import static org.hyperledger.besu.consensus.merge.blockcreation.MergeMiningCoordinator.ForkchoiceResult.Status.INVALID;
import static org.hyperledger.besu.ethereum.trie.diffbased.common.provider.WorldStateQueryParams.withBlockHeaderAndUpdateNodeHead;

/** The Merge coordinator. */
public class MergeCoordinator implements MergeMiningCoordinator, BadChainListener {
Expand Down Expand Up @@ -534,35 +526,35 @@ public Optional<BlockHeader> getOrSyncHeadByHash(final Hash headHash, final Hash
}

private void updateFinalized(final Hash finalizedHash) {
// If finalizedHash is already set, do nothing
if (mergeContext
.getFinalized()
.map(BlockHeader::getHash)
.map(finalizedHash::equals)
.orElse(Boolean.FALSE)) {
LOG.atDebug()
.setMessage("Finalized block already set to {}, nothing to do")
.addArgument(finalizedHash)
.log();
LOG.atDebug()
.setMessage("Finalized block already set to {}, nothing to do")
.addArgument(finalizedHash)
.log();
return;
}

protocolContext
.getBlockchain()
.getBlockHeader(finalizedHash)
.ifPresentOrElse(
finalizedHeader -> {
LOG.atDebug()
.setMessage("Setting finalized block header to {}")
.addArgument(finalizedHeader::toLogString)
.log();
mergeContext.setFinalized(finalizedHeader);
},
() ->
LOG.warn(
"Internal error, backward sync completed but failed to import finalized block {}",
finalizedHash));
// Check if the finalized block actually exists in the blockchain
Optional<BlockHeader> maybeFinalizedHeader = protocolContext.getBlockchain().getBlockHeader(finalizedHash);

if (maybeFinalizedHeader.isPresent()) {
LOG.atDebug()
.setMessage("Setting finalized block header to {}")
.addArgument(maybeFinalizedHeader.get()::toLogString)
.log();

mergeContext.setFinalized(maybeFinalizedHeader.get());
} else {
LOG.warn("Backward sync completed but failed to import finalized block {}", finalizedHash);
}
}


@Override
public BlockProcessingResult validateBlock(final Block block) {
final var validationResult =
Expand Down