Coverage Summary for Class: BlockValidatorImpl (co.rsk.core.bc)
Class |
Class, %
|
Method, %
|
Line, %
|
BlockValidatorImpl |
100%
(1/1)
|
100%
(3/3)
|
75%
(12/16)
|
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.core.bc;
20
21 import co.rsk.validators.BlockParentDependantValidationRule;
22 import co.rsk.validators.BlockValidationRule;
23 import co.rsk.validators.BlockValidator;
24 import org.ethereum.core.Block;
25 import org.ethereum.db.BlockStore;
26
27 /**
28 * BlockValidator has methods to validate block content before its execution
29 *
30 * Created by ajlopez on 29/07/2016.
31 */
32 public class BlockValidatorImpl implements BlockValidator {
33
34 private BlockStore blockStore;
35
36 private BlockParentDependantValidationRule blockParentValidator;
37
38 private BlockValidationRule blockValidator;
39
40 public BlockValidatorImpl(BlockStore blockStore, BlockParentDependantValidationRule blockParentValidator, BlockValidationRule blockValidator) {
41 this.blockStore = blockStore;
42 this.blockParentValidator = blockParentValidator;
43 this.blockValidator = blockValidator;
44 }
45
46 /**
47 * Validate a block.
48 * The validation includes
49 * - Validate the header data relative to parent block
50 * - Validate the transaction root hash to transaction list
51 * - Validate uncles
52 * - Validate transactions
53 *
54 * @param block Block to validate
55 * @return true if the block is valid, false if the block is invalid
56 */
57 @Override
58 public boolean isValid(Block block) {
59 if (block.isGenesis()) {
60 return false;
61 }
62
63 Block parent = getParent(block);
64
65 if(!this.blockParentValidator.isValid(block, parent)) {
66 return false;
67 }
68
69 if(!this.blockValidator.isValid(block)) {
70 return false;
71 }
72
73 return true;
74 }
75
76 private Block getParent(Block block) {
77 if (this.blockStore == null) {
78 return null;
79 }
80
81 return blockStore.getBlockByHash(block.getParentHash().getBytes());
82 }
83 }
84