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Use BeaconValidator interface for beacon validations
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...j-core/src/main/java/org/ethereum/sharding/processing/validation/BeaconValidatorImpl.java
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| /* | ||
| * Copyright (c) [2016] [ <ether.camp> ] | ||
| * This file is part of the ethereumJ library. | ||
| * | ||
| * The ethereumJ library is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU Lesser General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * The ethereumJ library is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU Lesser General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Lesser General Public License | ||
| * along with the ethereumJ library. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
| package org.ethereum.sharding.processing.validation; | ||
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| import org.ethereum.sharding.domain.Beacon; | ||
| import org.ethereum.sharding.processing.db.BeaconStore; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
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| import java.util.ArrayList; | ||
| import java.util.List; | ||
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| import static org.ethereum.sharding.processing.validation.ValidationResult.Exist; | ||
| import static org.ethereum.sharding.processing.validation.ValidationResult.NoParent; | ||
| import static org.ethereum.sharding.processing.validation.ValidationResult.Success; | ||
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| /** | ||
| * Runs a set of basic validations that is triggered before block processing. | ||
| * | ||
| * @author Mikhail Kalinin | ||
| * @since 16.08.2018 | ||
| */ | ||
| public class BeaconValidatorImpl implements BeaconValidator { | ||
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| private static final Logger logger = LoggerFactory.getLogger("beacon"); | ||
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| BeaconStore store; | ||
| List<ValidationRule<BeaconStore>> rules; | ||
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| public BeaconValidatorImpl(BeaconStore store) { | ||
| this.store = store; | ||
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| rules = new ArrayList<>(); | ||
| rules.add((block, st) -> st.exist(block.getHash()) ? Exist : Success); | ||
| rules.add((block, st) -> st.exist(block.getParentHash()) ? Success : NoParent); | ||
| } | ||
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| @Override | ||
| public ValidationResult validateAndLog(Beacon block) { | ||
| for (ValidationRule<BeaconStore> rule : rules) { | ||
| ValidationResult res = rule.apply(block, store); | ||
| if (res != Success) { | ||
| logger.info("Process block {}, status: {}", block.toString(), res); | ||
| return res; | ||
| } | ||
| } | ||
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| return Success; | ||
| } | ||
| } |
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