Coverage Summary for Class: ParentNumberRule (org.ethereum.validator)
Class |
Class, %
|
Method, %
|
Line, %
|
ParentNumberRule |
0%
(0/1)
|
0%
(0/3)
|
0%
(0/6)
|
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 import org.slf4j.Logger;
24 import org.slf4j.LoggerFactory;
25
26 /**
27 * Checks if {@link BlockHeader#number} == {@link BlockHeader#number} + 1 of parent's block
28 *
29 * @author Mikhail Kalinin
30 * @since 02.09.2015
31 */
32 public class ParentNumberRule extends DependentBlockHeaderRule {
33
34 private static final Logger logger = LoggerFactory.getLogger(ParentNumberRule.class);
35
36 @Override
37 public boolean validate(BlockHeader header, BlockHeader parent) {
38 if (header.getNumber() != (parent.getNumber() + 1)) {
39 logger.error(String.format("#%d: block number is not parentBlock number + 1", header.getNumber()));
40 return false;
41 }
42 return true;
43 }
44 }