Coverage Summary for Class: TxValidatorGasLimitValidator (co.rsk.net.handler.txvalidator)

Class Class, % Method, % Line, %
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 }