Coverage Summary for Class: ParentBlockHeaderValidator (org.ethereum.validator)
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Method, %
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ParentBlockHeaderValidator |
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(0/1)
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(0/11)
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1 /*
2 * This file is part of RskJ
3 * Copyright (C) 2017 RSK Labs Ltd.
4 * (derived from ethereumJ library, Copyright (c) 2016 <ether.camp>)
5 *
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU Lesser General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20 package org.ethereum.validator;
21
22 import org.ethereum.core.BlockHeader;
23
24 import java.util.ArrayList;
25 import java.util.List;
26
27 /**
28 * Composite {@link BlockHeader} validator
29 * aggregating list of simple validation rules depending on parent's block header
30 *
31 * @author Mikhail Kalinin
32 * @since 02.09.2015
33 */
34 public class ParentBlockHeaderValidator extends DependentBlockHeaderRule {
35
36 private List<DependentBlockHeaderRule> rules;
37
38 public ParentBlockHeaderValidator(List<DependentBlockHeaderRule> rules) {
39 this.rules = new ArrayList<>();
40 if(rules != null) {
41 this.rules.addAll(rules);
42 }
43 }
44
45 @Override
46 public boolean validate(BlockHeader header, BlockHeader parent) {
47 if(parent == null) {
48 return false;
49 }
50 for (DependentBlockHeaderRule rule : rules) {
51 if (!rule.validate(header, parent)) {
52 return false;
53 }
54 }
55 return true;
56 }
57 }