Coverage Summary for Class: ExportBlocks (co.rsk.cli.tools)

Class Class, % Method, % Line, %
ExportBlocks 0% (0/1) 0% (0/3) 0% (0/14)


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 package co.rsk.cli.tools; 19  20 import co.rsk.RskContext; 21 import co.rsk.core.BlockDifficulty; 22 import org.ethereum.core.Block; 23 import org.ethereum.db.BlockStore; 24 import org.ethereum.util.ByteUtil; 25  26 import java.io.PrintStream; 27  28 /** 29  * The entry point for export blocks CLI tool 30  * This is an experimental/unsupported tool 31  */ 32 public class ExportBlocks { 33  public static void main(String[] args) { 34  RskContext ctx = new RskContext(args); 35  BlockStore blockStore = ctx.getBlockStore(); 36  37  execute(args, blockStore, System.out); 38  } 39  40  public static void execute(String[] args, BlockStore blockStore, PrintStream writer) { 41  long fromBlockNumber = Long.parseLong(args[0]); 42  long toBlockNumber = Long.parseLong(args[1]); 43  44  for (long n = fromBlockNumber; n <= toBlockNumber; n++) { 45  Block block = blockStore.getChainBlockByNumber(n); 46  BlockDifficulty totalDifficulty = blockStore.getTotalDifficultyForHash(block.getHash().getBytes()); 47  48  writer.println( 49  block.getNumber() + "," + 50  ByteUtil.toHexString(block.getHash().getBytes()) + "," + 51  ByteUtil.toHexString(totalDifficulty.getBytes()) + "," + 52  ByteUtil.toHexString(block.getEncoded()) 53  ); 54  } 55  } 56 }