/*
* Copyright (c) [2016] [ <ether.camp> ]
* 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 <http://www.gnu.org/licenses/>.
*/
package org.ethereum.mine;
import org.ethereum.config.SystemProperties;
import org.ethereum.config.blockchain.FrontierConfig;
import org.ethereum.core.*;
import org.ethereum.core.genesis.GenesisLoader;
import org.ethereum.crypto.ECKey;
import org.ethereum.db.PruneManager;
import org.ethereum.util.ByteUtil;
import org.ethereum.util.blockchain.StandaloneBlockchain;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.spongycastle.util.encoders.Hex;
import javax.annotation.Resource;
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
/**
* Created by Anton Nashatyrev on 10.12.2015.
*/
public class MineBlock {
@Mock
PruneManager pruneManager;
@InjectMocks
@Resource
BlockchainImpl blockchain = ImportLightTest.createBlockchain(GenesisLoader.loadGenesis(
getClass().getResourceAsStream("/genesis/genesis-light.json")));
@BeforeClass
public static void setup() {
SystemProperties.getDefault().setBlockchainConfig(StandaloneBlockchain.getEasyMiningConfig());
}
@AfterClass
public static void cleanup() {
SystemProperties.resetToDefault();
}
@Before
public void setUp() throws Exception {
// Initialize mocks created above
MockitoAnnotations.initMocks(this);
}
@Test
public void mine1() throws Exception {
blockchain.setMinerCoinbase(Hex.decode("ee0250c19ad59305b2bdb61f34b45b72fe37154f"));
Block parent = blockchain.getBestBlock();
List<Transaction> pendingTx = new ArrayList<>();
ECKey senderKey = ECKey.fromPrivate(Hex.decode("3ec771c31cac8c0dba77a69e503765701d3c2bb62435888d4ffa38fed60c445c"));
byte[] receiverAddr = Hex.decode("31e2e1ed11951c7091dfba62cd4b7145e947219c");
Transaction tx = new Transaction(new byte[] {0}, new byte[] {1}, ByteUtil.longToBytesNoLeadZeroes(0xfffff),
receiverAddr, new byte[] {77}, new byte[0]);
tx.sign(senderKey);
pendingTx.add(tx);
Block b = blockchain.createNewBlock(parent, pendingTx, Collections.EMPTY_LIST);
System.out.println("Mining...");
Ethash.getForBlock(SystemProperties.getDefault(), b.getNumber()).mineLight(b).get();
System.out.println("Validating...");
boolean valid = Ethash.getForBlock(SystemProperties.getDefault(), b.getNumber()).validate(b.getHeader());
Assert.assertTrue(valid);
System.out.println("Connecting...");
ImportResult importResult = blockchain.tryToConnect(b);
Assert.assertTrue(importResult == ImportResult.IMPORTED_BEST);
System.out.println(Hex.toHexString(blockchain.getRepository().getRoot()));
}
}