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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.samples;

import org.ethereum.config.CommonConfig;
import org.ethereum.config.SystemProperties;
import org.ethereum.core.Block;
import org.ethereum.datasource.Source;
import org.ethereum.db.IndexedBlockStore;

import java.util.List;

/**
 * Created by Anton Nashatyrev on 21.07.2016.
 */
public class CheckFork {
    public static void main(String[] args) throws Exception {
        SystemProperties.getDefault().overrideParams("database.dir", "");
        Source index = CommonConfig.getDefault().cachedDbSource("index");
        Source blockDS = CommonConfig.getDefault().cachedDbSource("block");

        IndexedBlockStore indexedBlockStore = new IndexedBlockStore();
        indexedBlockStore.init(index, blockDS);

        for (int i = 1_919_990; i < 1_921_000; i++) {
            Block chainBlock = indexedBlockStore.getChainBlockByNumber(i);
            List blocks = indexedBlockStore.getBlocksByNumber(i);
            String s = chainBlock.getShortDescr() + " (";
            for (Block block : blocks) {
                if (!block.isEqual(chainBlock)) {
                    s += block.getShortDescr() + " ";
                }
            }
            System.out.println(s);
        }
    }
}