mirror of
https://github.com/Qortal/altcoinj.git
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Support testnet and regtest in BuildCheckpoints tool.
This commit is contained in:
Devrandom
Andreas Schildbach
parent
5f3d3a7f84
commit
044c98e096
@ -19,11 +19,16 @@ package org.bitcoinj.tools;
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import org.bitcoinj.core.*;
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import org.bitcoinj.params.MainNetParams;
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import org.bitcoinj.params.RegTestParams;
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import org.bitcoinj.params.TestNet3Params;
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import org.bitcoinj.store.BlockStore;
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import org.bitcoinj.store.MemoryBlockStore;
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import org.bitcoinj.utils.BriefLogFormatter;
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import org.bitcoinj.utils.Threading;
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import com.google.common.base.Charsets;
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import joptsimple.OptionParser;
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import joptsimple.OptionSet;
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import joptsimple.OptionSpec;
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import java.io.DataOutputStream;
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import java.io.File;
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@ -46,12 +51,32 @@ import static com.google.common.base.Preconditions.checkState;
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* to a file which is then signed with your key.
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*/
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public class BuildCheckpoints {
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private static final NetworkParameters PARAMS = MainNetParams.get();
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private static final File PLAIN_CHECKPOINTS_FILE = new File("checkpoints");
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private static final File TEXTUAL_CHECKPOINTS_FILE = new File("checkpoints.txt");
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private static NetworkParameters params;
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public static void main(String[] args) throws Exception {
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OptionParser parser = new OptionParser();
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OptionSpec<NetworkEnum> netFlag = parser.accepts("net").withRequiredArg().ofType(NetworkEnum.class).defaultsTo(NetworkEnum.MAIN);
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OptionSpec<Integer> daysFlag = parser.accepts("days").withRequiredArg().ofType(Integer.class).defaultsTo(30);
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OptionSet options = parser.parse(args);
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String suffix;
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switch (netFlag.value(options)) {
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case MAIN:
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case PROD:
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params = MainNetParams.get();
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suffix = "";
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break;
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case TEST:
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params = TestNet3Params.get();
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suffix = "-testnet";
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break;
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case REGTEST:
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params = RegTestParams.get();
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suffix = "-regtest";
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break;
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default:
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throw new RuntimeException("Unreachable.");
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}
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BriefLogFormatter.initWithSilentBitcoinJ();
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// Sorted map of block height to StoredBlock object.
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@ -59,22 +84,23 @@ public class BuildCheckpoints {
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// Configure bitcoinj to fetch only headers, not save them to disk, connect to a local fully synced/validated
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// node and to save block headers that are on interval boundaries, as long as they are <1 month old.
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final BlockStore store = new MemoryBlockStore(PARAMS);
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final BlockChain chain = new BlockChain(PARAMS, store);
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final PeerGroup peerGroup = new PeerGroup(PARAMS, chain);
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final BlockStore store = new MemoryBlockStore(params);
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final BlockChain chain = new BlockChain(params, store);
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final PeerGroup peerGroup = new PeerGroup(params, chain);
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final InetAddress peerAddress = InetAddress.getLocalHost();
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System.out.println("Connecting to " + peerAddress + "...");
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peerGroup.addAddress(peerAddress);
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long now = new Date().getTime() / 1000;
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peerGroup.setFastCatchupTimeSecs(now);
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final long oneMonthAgo = now - (86400 * 30);
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final long timeAgo = now - (86400 * options.valueOf(daysFlag));
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System.out.println("Checkpointing up to " + Utils.dateTimeFormat(timeAgo * 1000));
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chain.addListener(new AbstractBlockChainListener() {
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@Override
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public void notifyNewBestBlock(StoredBlock block) throws VerificationException {
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int height = block.getHeight();
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if (height % PARAMS.getInterval() == 0 && block.getHeader().getTimeSeconds() <= oneMonthAgo) {
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if (height % params.getInterval() == 0 && block.getHeader().getTimeSeconds() <= timeAgo) {
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System.out.println(String.format("Checkpointing block %s at height %d",
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block.getHeader().getHash(), block.getHeight()));
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checkpoints.put(height, block);
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@ -87,16 +113,19 @@ public class BuildCheckpoints {
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checkState(checkpoints.size() > 0);
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final File plainFile = new File("checkpoints" + suffix);
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final File textFile = new File("checkpoints" + suffix + ".txt");
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// Write checkpoint data out.
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writeBinaryCheckpoints(checkpoints, PLAIN_CHECKPOINTS_FILE);
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writeTextualCheckpoints(checkpoints, TEXTUAL_CHECKPOINTS_FILE);
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writeBinaryCheckpoints(checkpoints, plainFile);
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writeTextualCheckpoints(checkpoints, textFile);
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peerGroup.stop();
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store.close();
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// Sanity check the created files.
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sanityCheck(PLAIN_CHECKPOINTS_FILE, checkpoints.size());
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sanityCheck(TEXTUAL_CHECKPOINTS_FILE, checkpoints.size());
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sanityCheck(plainFile, checkpoints.size());
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sanityCheck(textFile, checkpoints.size());
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}
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private static void writeBinaryCheckpoints(TreeMap<Integer, StoredBlock> checkpoints, File file) throws Exception {
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@ -139,15 +168,15 @@ public class BuildCheckpoints {
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}
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private static void sanityCheck(File file, int expectedSize) throws IOException {
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CheckpointManager manager = new CheckpointManager(PARAMS, new FileInputStream(file));
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CheckpointManager manager = new CheckpointManager(params, new FileInputStream(file));
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checkState(manager.numCheckpoints() == expectedSize);
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if (PARAMS.getId().equals(NetworkParameters.ID_MAINNET)) {
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if (params.getId().equals(NetworkParameters.ID_MAINNET)) {
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StoredBlock test = manager.getCheckpointBefore(1390500000); // Thu Jan 23 19:00:00 CET 2014
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checkState(test.getHeight() == 280224);
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checkState(test.getHeader().getHashAsString()
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.equals("00000000000000000b5d59a15f831e1c45cb688a4db6b0a60054d49a9997fa34"));
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} else if (PARAMS.getId().equals(NetworkParameters.ID_TESTNET)) {
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} else if (params.getId().equals(NetworkParameters.ID_TESTNET)) {
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StoredBlock test = manager.getCheckpointBefore(1390500000); // Thu Jan 23 19:00:00 CET 2014
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checkState(test.getHeight() == 167328);
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checkState(test.getHeader().getHashAsString()
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24
tools/src/main/java/org/bitcoinj/tools/NetworkEnum.java
Normal file
24
tools/src/main/java/org/bitcoinj/tools/NetworkEnum.java
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@ -0,0 +1,24 @@
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package org.bitcoinj.tools;
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/*
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* Copyright 2014 Mike Hearn
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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public enum NetworkEnum {
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MAIN,
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PROD, // alias for MAIN
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TEST,
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REGTEST
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}
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@ -183,13 +183,6 @@ public class WalletTool {
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BALANCE
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}
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public enum NetworkEnum {
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MAIN,
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PROD, // alias for MAIN
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TEST,
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REGTEST
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}
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public enum ValidationMode {
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FULL,
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SPV
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@ -203,7 +196,7 @@ public class WalletTool {
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OptionSpec<String> walletFileName = parser.accepts("wallet").withRequiredArg().defaultsTo("wallet");
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seedFlag = parser.accepts("seed").withRequiredArg();
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watchFlag = parser.accepts("watchkey").withRequiredArg();
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OptionSpec<NetworkEnum> netFlag = parser.accepts("net").withOptionalArg().ofType(NetworkEnum.class).defaultsTo(NetworkEnum.MAIN);
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OptionSpec<NetworkEnum> netFlag = parser.accepts("net").withRequiredArg().ofType(NetworkEnum.class).defaultsTo(NetworkEnum.MAIN);
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dateFlag = parser.accepts("date").withRequiredArg().ofType(Date.class)
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.withValuesConvertedBy(DateConverter.datePattern("yyyy/MM/dd"));
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OptionSpec<WaitForEnum> waitForFlag = parser.accepts("waitfor").withRequiredArg().ofType(WaitForEnum.class);
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