Coverage Summary for Class: TxValidatorGasLimitValidator (co.rsk.net.handler.txvalidator)
Class |
Class, %
|
Method, %
|
Line, %
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TxValidatorGasLimitValidator |
100%
(1/1)
|
100%
(2/2)
|
80%
(4/5)
|
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.net.handler.txvalidator;
20
21 import co.rsk.core.Coin;
22 import co.rsk.net.TransactionValidationResult;
23 import org.ethereum.config.Constants;
24 import org.ethereum.core.AccountState;
25 import org.ethereum.core.Transaction;
26
27 import javax.annotation.Nullable;
28 import java.math.BigInteger;
29
30 /**
31 * Checks that the transaction gas limit is lower than the `block` gas limit
32 * though there's no check that the actual block gas limit is used
33 * Also Checks that the transaction gas limit is not higher than the max allowed value
34 */
35 public class TxValidatorGasLimitValidator implements TxValidatorStep {
36 @Override
37 public TransactionValidationResult validate(Transaction tx, @Nullable AccountState state, BigInteger gasLimit, Coin minimumGasPrice, long bestBlockNumber, boolean isFreeTx) {
38 BigInteger txGasLimit = tx.getGasLimitAsInteger();
39
40 if (txGasLimit.compareTo(gasLimit) <= 0 && txGasLimit.compareTo(Constants.getTransactionGasCap()) <= 0) {
41 return TransactionValidationResult.ok();
42 }
43
44 return TransactionValidationResult.withError(String.format(
45 "transaction's gas limit of %s is higher than the block's gas limit of %s",
46 txGasLimit,
47 gasLimit
48 ));
49 }
50
51 }