/*
* 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.validator;
import org.ethereum.core.BlockHeader;
import java.util.List;
/**
* Composite {@link BlockHeader} validator
* aggregating list of simple validation rules depending on parent's block header
*
* @author Mikhail Kalinin
* @since 02.09.2015
*/
public class ParentBlockHeaderValidator extends DependentBlockHeaderRule {
private List<DependentBlockHeaderRule> rules;
public ParentBlockHeaderValidator(List<DependentBlockHeaderRule> rules) {
this.rules = rules;
}
@Override
public boolean validate(BlockHeader header, BlockHeader parent) {
errors.clear();
for (DependentBlockHeaderRule rule : rules) {
if (!rule.validate(header, parent)) {
errors.addAll(rule.getErrors());
return false;
}
}
return true;
}
}