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Java implementation of the Ethereum protocol adapted to use for Hedera Smart Contract Service
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/*
* Copyright (c) [2016] [ ]
* This file is part of the ethereumJ library.
*
* The ethereumJ library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* The ethereumJ library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the ethereumJ library. If not, see .
*/
package org.ethereum.validator;
import org.ethereum.core.BlockHeader;
import org.ethereum.util.FastByteComparisons;
import org.spongycastle.util.encoders.Hex;
/**
* Created by Stan Reshetnyk on 26.12.16.
*/
public class BlockCustomHashRule extends BlockHeaderRule {
public final byte[] blockHash;
public BlockCustomHashRule(byte[] blockHash) {
this.blockHash = blockHash;
}
@Override
public ValidationResult validate(BlockHeader header) {
if (!FastByteComparisons.equal(header.getHash(), blockHash)) {
return fault("Block " + header.getNumber() + " hash constraint violated. Expected:" +
Hex.toHexString(blockHash) + ", got: " + Hex.toHexString(header.getHash()));
}
return Success;
}
}