Coverage Summary for Class: ExtraDataRule (co.rsk.validators)
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Method, %
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ExtraDataRule |
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1 /*
2 * This file is part of RskJ
3 * Copyright (C) 2017 RSK Labs Ltd.
4 *
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU Lesser General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19 package co.rsk.validators;
20
21 import co.rsk.panic.PanicProcessor;
22 import org.ethereum.core.Block;
23 import org.slf4j.Logger;
24 import org.slf4j.LoggerFactory;
25
26 /**
27 * Rule to check that extra data length is less than the maximum accepted size for it.
28 *
29 * Created by martin.medina on 07/02/17.
30 */
31 public class ExtraDataRule implements BlockValidationRule {
32
33 private static final Logger logger = LoggerFactory.getLogger("blockvalidator");
34 private static final PanicProcessor panicProcessor = new PanicProcessor();
35
36 private int maximumExtraDataSize;
37
38 public ExtraDataRule(int maximumExtraDataSize) {
39 this.maximumExtraDataSize = maximumExtraDataSize;
40 }
41
42 @Override
43 public boolean isValid(Block block) {
44 if (block.getHeader().getExtraData() != null && block.getHeader().getExtraData().length > this.maximumExtraDataSize) {
45
46 String logMessage = String.format("#%d: header.getExtraData().length > MAXIMUM_EXTRA_DATA_SIZE", block.getHeader().getNumber());
47 logger.warn(logMessage);
48 panicProcessor.panic("invalidExtraData", logMessage);
49
50 return false;
51 }
52
53 return true;
54 }
55 }