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Create a BFT-specific pivot block handler
Signed-off-by: Matthew Whitehead <[email protected]>
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86 changes: 86 additions & 0 deletions
86
...sus/qbft/src/main/java/org/hyperledger/besu/consensus/qbft/BFTPivotSelectorFromPeers.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| /* | ||
| * 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.consensus.qbft; | ||
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| import org.hyperledger.besu.consensus.common.bft.BftContext; | ||
| import org.hyperledger.besu.consensus.common.validator.ValidatorProvider; | ||
| import org.hyperledger.besu.cryptoservices.NodeKey; | ||
| import org.hyperledger.besu.ethereum.ProtocolContext; | ||
| import org.hyperledger.besu.ethereum.core.Util; | ||
| import org.hyperledger.besu.ethereum.eth.manager.EthContext; | ||
| import org.hyperledger.besu.ethereum.eth.manager.EthPeer; | ||
| import org.hyperledger.besu.ethereum.eth.sync.SynchronizerConfiguration; | ||
| import org.hyperledger.besu.ethereum.eth.sync.fastsync.FastSyncState; | ||
| import org.hyperledger.besu.ethereum.eth.sync.fastsync.NoSyncRequiredException; | ||
| import org.hyperledger.besu.ethereum.eth.sync.fastsync.PivotSelectorFromPeers; | ||
| import org.hyperledger.besu.ethereum.eth.sync.state.SyncState; | ||
| import org.hyperledger.besu.plugin.services.MetricsSystem; | ||
|
|
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| import java.util.Optional; | ||
|
|
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| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
|
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| public class BFTPivotSelectorFromPeers extends PivotSelectorFromPeers { | ||
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| private static final Logger LOG = LoggerFactory.getLogger(BFTPivotSelectorFromPeers.class); | ||
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| private final ProtocolContext protocolContext; | ||
| private final NodeKey nodeKey; | ||
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| public BFTPivotSelectorFromPeers( | ||
| final EthContext ethContext, | ||
| final SynchronizerConfiguration syncConfig, | ||
| final SyncState syncState, | ||
| final MetricsSystem metricsSystem, | ||
| final ProtocolContext protocolContext, | ||
| final NodeKey nodeKey) { | ||
| super(ethContext, syncConfig, syncState, metricsSystem); | ||
| this.protocolContext = protocolContext; | ||
| this.nodeKey = nodeKey; | ||
| LOG.info("Creating BFTPivotSelectorFromPeers"); | ||
| } | ||
|
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| @Override | ||
| public Optional<FastSyncState> selectNewPivotBlock() { | ||
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| final BftContext bftContext = protocolContext.getConsensusContext(BftContext.class); | ||
| final ValidatorProvider validatorProvider = bftContext.getValidatorProvider(); | ||
| // See if we have a best peer | ||
| Optional<EthPeer> bestPeer = selectBestPeer(); | ||
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| if (bestPeer.isPresent()) { | ||
| // For a recently created permissioned chain we can skip snap sync until we're past the | ||
| // pivot distance | ||
| if (bestPeer.get().chainState().getEstimatedHeight() | ||
| <= syncConfig.getFastSyncPivotDistance()) { | ||
| throw new NoSyncRequiredException(); | ||
| } | ||
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| return bestPeer.flatMap(this::fromBestPeer); | ||
| } else { | ||
| // Treat single-validator as a special case. We are the only node that can produce | ||
| // blocks so we won't wait to sync with a non-validator node that may or may not exist | ||
| if (validatorProvider.getValidatorsAtHead().size() == 1 | ||
| && validatorProvider | ||
| .getValidatorsAtHead() | ||
| .contains(Util.publicKeyToAddress(nodeKey.getPublicKey()))) { | ||
| throw new NoSyncRequiredException(); | ||
| } | ||
| } | ||
|
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| return Optional.empty(); | ||
| } | ||
| } |
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17 changes: 17 additions & 0 deletions
17
...rc/main/java/org/hyperledger/besu/ethereum/eth/sync/fastsync/NoSyncRequiredException.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,17 @@ | ||
| /* | ||
| * 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.eth.sync.fastsync; | ||
|
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| public class NoSyncRequiredException extends RuntimeException {} |
17 changes: 17 additions & 0 deletions
17
...th/src/main/java/org/hyperledger/besu/ethereum/eth/sync/fastsync/NoSyncRequiredState.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,17 @@ | ||
| /* | ||
| * 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.eth.sync.fastsync; | ||
|
|
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| public class NoSyncRequiredState extends FastSyncState {} |
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