Java ECKey.getNodeId方法代码示例

import org.ethereum.crypto.ECKey; //导入方法依赖的package包/类
@Bean
public PeerExplorer peerExplorer(RskSystemProperties rskConfig) {
    ECKey key = rskConfig.getMyKey();
    Node localNode = new Node(key.getNodeId(), rskConfig.getExternalIp(), rskConfig.listenPort());
    NodeDistanceTable distanceTable = new NodeDistanceTable(KademliaOptions.BINS, KademliaOptions.BUCKET_SIZE, localNode);
    long msgTimeOut = rskConfig.peerDiscoveryMessageTimeOut();
    long refreshPeriod = rskConfig.peerDiscoveryRefreshPeriod();
    List<String> initialBootNodes = rskConfig.peerDiscoveryIPList();
    List<Node> activePeers = rskConfig.peerActive();
    if(CollectionUtils.isNotEmpty(activePeers)) {
        for(Node n : activePeers) {
            InetSocketAddress address = n.getAddress();
            initialBootNodes.add(address.getHostName() + ":" + address.getPort());
        }
    }
    return new PeerExplorer(initialBootNodes, localNode, distanceTable, key, msgTimeOut, refreshPeriod);
}
 

import org.ethereum.crypto.ECKey; //导入方法依赖的package包/类
@Test
public void startChallenge() {
    ECKey key1 = ECKey.fromPrivate(Hex.decode(KEY_1)).decompress();
    ECKey key2 = ECKey.fromPrivate(Hex.decode(KEY_2)).decompress();
    ECKey key3 = ECKey.fromPrivate(Hex.decode(KEY_3)).decompress();

    Node node1 = new Node(key1.getNodeId(), HOST_1, PORT_1);
    Node node2 = new Node(key2.getNodeId(), HOST_2, PORT_2);
    Node node3 = new Node(key3.getNodeId(), HOST_3, PORT_3);

    NodeDistanceTable distanceTable = new NodeDistanceTable(KademliaOptions.BINS, KademliaOptions.BUCKET_SIZE, node1);
    PeerExplorer peerExplorer = new PeerExplorer(new ArrayList<>(), node1, distanceTable, new ECKey(), TIMEOUT, REFRESH);
    peerExplorer.setUDPChannel(Mockito.mock(UDPChannel.class));

    NodeChallengeManager manager = new NodeChallengeManager();
    NodeChallenge challenge = manager.startChallenge(node2, node3, peerExplorer);

    Assert.assertNotNull(challenge);
    Assert.assertEquals(challenge.getChallengedNode(), node2);
    Assert.assertEquals(challenge.getChallenger(), node3);

    NodeChallenge anotherChallenge = manager.removeChallenge(UUID.randomUUID().toString());
    Assert.assertNull(anotherChallenge);

    anotherChallenge = manager.removeChallenge(challenge.getChallengeId());
    Assert.assertEquals(challenge, anotherChallenge);
}
 

import org.ethereum.crypto.ECKey; //导入方法依赖的package包/类
@Test
public void run3NodesFullTest() throws InterruptedException {

    ECKey key1 = ECKey.fromPrivate(Hex.decode(KEY_1)).decompress();
    ECKey key2 = ECKey.fromPrivate(Hex.decode(KEY_2)).decompress();
    ECKey key3 = ECKey.fromPrivate(Hex.decode(KEY_3)).decompress();

    List<String> node1BootNode = new ArrayList<>();
    node1BootNode.add(HOST + ":5555");
    node1BootNode.add(HOST + ":" + PORT_2);

    List<String> node2BootNode = new ArrayList<>();
    node2BootNode.add(HOST + ":" + PORT_3);

    List<String> node3BootNode = new ArrayList<>();

    Node node1 = new Node(key1.getNodeId(), HOST, PORT_1);
    Node node2 = new Node(key2.getNodeId(), HOST, PORT_2);
    Node node3 = new Node(key3.getNodeId(), HOST, PORT_3);

    NodeDistanceTable distanceTable1 = new NodeDistanceTable(KademliaOptions.BINS, KademliaOptions.BUCKET_SIZE, node1);
    NodeDistanceTable distanceTable2 = new NodeDistanceTable(KademliaOptions.BINS, KademliaOptions.BUCKET_SIZE, node2);
    NodeDistanceTable distanceTable3 = new NodeDistanceTable(KademliaOptions.BINS, KademliaOptions.BUCKET_SIZE, node3);

    PeerExplorer peerExplorer1 = new PeerExplorer(node1BootNode, node1, distanceTable1, key1, TIMEOUT, REFRESH);
    PeerExplorer peerExplorer2 = new PeerExplorer(node2BootNode, node2, distanceTable2, key2, TIMEOUT, REFRESH);
    PeerExplorer peerExplorer3 = new PeerExplorer(node3BootNode, node3, distanceTable3, key3, TIMEOUT, REFRESH);

    Assert.assertEquals(0, peerExplorer1.getNodes().size());
    Assert.assertEquals(0, peerExplorer2.getNodes().size());
    Assert.assertEquals(0, peerExplorer3.getNodes().size());

    UDPServer udpServer1 = new UDPServer(HOST, PORT_1, peerExplorer1);
    UDPServer udpServer2 = new UDPServer(HOST, PORT_2, peerExplorer2);
    UDPServer udpServer3 = new UDPServer(HOST, PORT_3, peerExplorer3);

    udpServer3.start();
    TimeUnit.SECONDS.sleep(2);
    peerExplorer3.cleanAndUpdate();

    udpServer2.start();
    TimeUnit.SECONDS.sleep(2);
    peerExplorer2.cleanAndUpdate();
    peerExplorer3.cleanAndUpdate();

    udpServer1.start();
    TimeUnit.SECONDS.sleep(2);
    peerExplorer1.cleanAndUpdate();
    peerExplorer2.cleanAndUpdate();
    peerExplorer3.cleanAndUpdate();

    TimeUnit.SECONDS.sleep(2);

    List<Node> foundNodes1 = peerExplorer1.getNodes();
    List<Node> foundNodes2 = peerExplorer2.getNodes();
    List<Node> foundNodes3 = peerExplorer3.getNodes();

    Assert.assertEquals(2, foundNodes1.size());
    Assert.assertEquals(2, foundNodes2.size());
    Assert.assertEquals(2, foundNodes3.size());

    udpServer1.stop();
    udpServer2.stop();
    udpServer3.stop();
    TimeUnit.SECONDS.sleep(5);

    Assert.assertTrue(checkNodeIds(foundNodes1, NODE_ID_2, NODE_ID_3));
    Assert.assertTrue(checkNodeIds(foundNodes2, NODE_ID_1, NODE_ID_3));
    Assert.assertTrue(checkNodeIds(foundNodes3, NODE_ID_2, NODE_ID_1));
}
 

import org.ethereum.crypto.ECKey; //导入方法依赖的package包/类
@Test
public void handlePingMessage() throws Exception {
    List<String> nodes = new ArrayList<>();

    ECKey key2 = ECKey.fromPrivate(Hex.decode(KEY_2)).decompress();

    Node node = new Node(key2.getNodeId(), HOST_2, PORT_2);
    NodeDistanceTable distanceTable = new NodeDistanceTable(KademliaOptions.BINS, KademliaOptions.BUCKET_SIZE, node);
    PeerExplorer peerExplorer = new PeerExplorer(nodes, node, distanceTable, key2, TIMEOUT, REFRESH);

    Channel internalChannel = Mockito.mock(Channel.class);
    UDPTestChannel channel = new UDPTestChannel(internalChannel, peerExplorer);
    ChannelHandlerContext ctx = Mockito.mock(ChannelHandlerContext.class);
    peerExplorer.setUDPChannel(channel);

    Assert.assertTrue(CollectionUtils.isEmpty(peerExplorer.getNodes()));

    ECKey key1 = ECKey.fromPrivate(Hex.decode(KEY_1)).decompress();
    String check = UUID.randomUUID().toString();
    PingPeerMessage nodeMessage = PingPeerMessage.create(HOST_1, PORT_1, check, key1);
    DiscoveryEvent incomingPingEvent = new DiscoveryEvent(nodeMessage, new InetSocketAddress(HOST_1, PORT_1));

    //A message is received
    channel.channelRead0(ctx, incomingPingEvent);
    //As part of the ping response, a Ping and a Pong are sent to the sender.
    List<DiscoveryEvent> sentEvents = channel.getEventsWritten();
    Assert.assertEquals(2, sentEvents.size());
    DiscoveryEvent pongEvent = sentEvents.get(0);
    PongPeerMessage toSenderPong = (PongPeerMessage) pongEvent.getMessage();
    Assert.assertEquals(DiscoveryMessageType.PONG, toSenderPong.getMessageType());
    Assert.assertEquals(new InetSocketAddress(HOST_1, PORT_1), pongEvent.getAddress());

    DiscoveryEvent pingEvent = sentEvents.get(1);
    PingPeerMessage toSenderPing = (PingPeerMessage) pingEvent.getMessage();
    Assert.assertEquals(DiscoveryMessageType.PING, toSenderPing.getMessageType());
    Assert.assertEquals(new InetSocketAddress(HOST_1, PORT_1), pingEvent.getAddress());

    //After a pong returns from a node, when we receive a ping from that node, we only answer with a pong (no additional ping)
    PongPeerMessage pongResponseFromSender = PongPeerMessage.create(HOST_1, PORT_1, toSenderPing.getMessageId(), key1);
    DiscoveryEvent incomingPongEvent = new DiscoveryEvent(pongResponseFromSender, new InetSocketAddress(HOST_1, PORT_1));
    channel.channelRead0(ctx, incomingPongEvent);
    channel.clearEvents();
    channel.channelRead0(ctx, incomingPingEvent);
    sentEvents = channel.getEventsWritten();
    Assert.assertEquals(1, sentEvents.size());
    pongEvent = sentEvents.get(0);
    toSenderPong = (PongPeerMessage) pongEvent.getMessage();
    Assert.assertEquals(DiscoveryMessageType.PONG, toSenderPong.getMessageType());
    Assert.assertEquals(new InetSocketAddress(HOST_1, PORT_1), pongEvent.getAddress());
    Assert.assertEquals(NODE_ID_2, Hex.toHexString(toSenderPong.getKey().getNodeId()));
}
 

import org.ethereum.crypto.ECKey; //导入方法依赖的package包/类
@Test
public void handlePongMessage() throws Exception {
    List<String> nodes = new ArrayList<>();
    nodes.add(HOST_1 + ":" + PORT_1);
    nodes.add(HOST_3 + ":" + PORT_3);

    ECKey key1 = ECKey.fromPrivate(Hex.decode(KEY_1)).decompress();
    ECKey key2 = ECKey.fromPrivate(Hex.decode(KEY_2)).decompress();

    Node node = new Node(key2.getNodeId(), HOST_2, PORT_2);
    NodeDistanceTable distanceTable = new NodeDistanceTable(KademliaOptions.BINS, KademliaOptions.BUCKET_SIZE, node);
    PeerExplorer peerExplorer = new PeerExplorer(nodes, node, distanceTable, key2, TIMEOUT, REFRESH);

    Channel internalChannel = Mockito.mock(Channel.class);
    UDPTestChannel channel = new UDPTestChannel(internalChannel, peerExplorer);
    ChannelHandlerContext ctx = Mockito.mock(ChannelHandlerContext.class);
    peerExplorer.setUDPChannel(channel);
    Assert.assertTrue(CollectionUtils.isEmpty(peerExplorer.getNodes()));

    //A incoming pong for a Ping we did not sent.
    String check = UUID.randomUUID().toString();
    PongPeerMessage incomingPongMessage = PongPeerMessage.create(HOST_1, PORT_1, check, key1);
    DiscoveryEvent incomingPongEvent = new DiscoveryEvent(incomingPongMessage, new InetSocketAddress(HOST_1, PORT_1));
    channel.clearEvents();
    channel.channelRead0(ctx, incomingPongEvent);
    List<DiscoveryEvent> sentEvents = channel.getEventsWritten();
    Assert.assertEquals(0, sentEvents.size());
    Assert.assertEquals(0, peerExplorer.getNodes().size());

    //Now we send the ping first
    peerExplorer.startConversationWithNewNodes();
    sentEvents = channel.getEventsWritten();
    Assert.assertEquals(2, sentEvents.size());
    incomingPongMessage = PongPeerMessage.create(HOST_1, PORT_1, ((PingPeerMessage) sentEvents.get(0).getMessage()).getMessageId(), key1);
    incomingPongEvent = new DiscoveryEvent(incomingPongMessage, new InetSocketAddress(HOST_1, PORT_1));
    channel.clearEvents();
    List<Node> addedNodes = peerExplorer.getNodes();
    Assert.assertEquals(0, addedNodes.size());
    channel.channelRead0(ctx, incomingPongEvent);
    Assert.assertEquals(1, peerExplorer.getNodes().size());
    addedNodes = peerExplorer.getNodes();
    Assert.assertEquals(1, addedNodes.size());
}
 

import org.ethereum.crypto.ECKey; //导入方法依赖的package包/类
@Test
public void handleFindNodeMessage() throws Exception {
    List<String> nodes = new ArrayList<>();
    nodes.add(HOST_1 + ":" + PORT_1);
    nodes.add(HOST_3 + ":" + PORT_3);

    ECKey key1 = ECKey.fromPrivate(Hex.decode(KEY_1)).decompress();
    ECKey key2 = ECKey.fromPrivate(Hex.decode(KEY_2)).decompress();

    Node node = new Node(key2.getNodeId(), HOST_2, PORT_2);
    NodeDistanceTable distanceTable = new NodeDistanceTable(KademliaOptions.BINS, KademliaOptions.BUCKET_SIZE, node);
    PeerExplorer peerExplorer = new PeerExplorer(nodes, node, distanceTable, key2, TIMEOUT, REFRESH);

    Channel internalChannel = Mockito.mock(Channel.class);
    UDPTestChannel channel = new UDPTestChannel(internalChannel, peerExplorer);
    ChannelHandlerContext ctx = Mockito.mock(ChannelHandlerContext.class);
    peerExplorer.setUDPChannel(channel);

    //We try to handle a findNode message from an unkown sender, no message should be send as a response
    String check = UUID.randomUUID().toString();
    FindNodePeerMessage findNodePeerMessage = FindNodePeerMessage.create(key1.getNodeId(), check, key1);
    channel.clearEvents();
    channel.channelRead0(ctx, new DiscoveryEvent(findNodePeerMessage, new InetSocketAddress(HOST_1, PORT_1)));
    List<DiscoveryEvent> sentEvents = channel.getEventsWritten();
    Assert.assertEquals(0, sentEvents.size());

    //Now we send the ping first
    peerExplorer.startConversationWithNewNodes();
    PongPeerMessage incomingPongMessage = PongPeerMessage.create(HOST_1, PORT_1, ((PingPeerMessage) sentEvents.get(0).getMessage()).getMessageId(), key1);
    DiscoveryEvent incomingPongEvent = new DiscoveryEvent(incomingPongMessage, new InetSocketAddress(HOST_1, PORT_1));
    channel.channelRead0(ctx, incomingPongEvent);

    incomingPongMessage = PongPeerMessage.create(HOST_3, PORT_3, ((PingPeerMessage) sentEvents.get(0).getMessage()).getMessageId(), key1);
    incomingPongEvent = new DiscoveryEvent(incomingPongMessage, new InetSocketAddress(HOST_3, PORT_3));
    channel.channelRead0(ctx, incomingPongEvent);

    check = UUID.randomUUID().toString();
    findNodePeerMessage = FindNodePeerMessage.create(key1.getNodeId(), check, key1);
    channel.clearEvents();
    channel.channelRead0(ctx, new DiscoveryEvent(findNodePeerMessage, new InetSocketAddress(HOST_1, PORT_1)));
    sentEvents = channel.getEventsWritten();
    Assert.assertEquals(1, sentEvents.size());
    NeighborsPeerMessage neighborsPeerMessage = (NeighborsPeerMessage) sentEvents.get(0).getMessage();
    Assert.assertEquals(1, neighborsPeerMessage.getNodes().size());
}
 

import org.ethereum.crypto.ECKey; //导入方法依赖的package包/类
@Test
public void handleFindNodeMessageWithExtraNodes() throws Exception {
    List<String> nodes = new ArrayList<>();
    nodes.add(HOST_1 + ":" + PORT_1);
    nodes.add(HOST_3 + ":" + PORT_3);

    ECKey key1 = ECKey.fromPrivate(Hex.decode(KEY_1)).decompress();
    ECKey key2 = ECKey.fromPrivate(Hex.decode(KEY_2)).decompress();
    ECKey key3 = ECKey.fromPrivate(Hex.decode(KEY_3)).decompress();

    Node node = new Node(key2.getNodeId(), HOST_2, PORT_2);
    NodeDistanceTable distanceTable = new NodeDistanceTable(KademliaOptions.BINS, KademliaOptions.BUCKET_SIZE, node);
    PeerExplorer peerExplorer = new PeerExplorer(nodes, node, distanceTable, key2, TIMEOUT, REFRESH);

    Channel internalChannel = Mockito.mock(Channel.class);
    UDPTestChannel channel = new UDPTestChannel(internalChannel, peerExplorer);
    ChannelHandlerContext ctx = Mockito.mock(ChannelHandlerContext.class);
    peerExplorer.setUDPChannel(channel);
    Assert.assertTrue(CollectionUtils.isEmpty(peerExplorer.getNodes()));

    //we send the ping first
    peerExplorer.startConversationWithNewNodes();
    List<DiscoveryEvent> sentEvents = channel.getEventsWritten();
    Assert.assertEquals(2, sentEvents.size());
    PongPeerMessage incomingPongMessage1 = PongPeerMessage.create(HOST_1, PORT_1, ((PingPeerMessage) sentEvents.get(0).getMessage()).getMessageId(), key1);
    DiscoveryEvent incomingPongEvent1 = new DiscoveryEvent(incomingPongMessage1, new InetSocketAddress(HOST_1, PORT_1));
    PongPeerMessage incomingPongMessage2 = PongPeerMessage.create(HOST_3, PORT_3, ((PingPeerMessage) sentEvents.get(1).getMessage()).getMessageId(), key3);
    DiscoveryEvent incomingPongEvent2 = new DiscoveryEvent(incomingPongMessage2, new InetSocketAddress(HOST_3, PORT_3));

    channel.clearEvents();
    channel.channelRead0(ctx, incomingPongEvent1);
    channel.channelRead0(ctx, incomingPongEvent2);

    List<Node> foundNodes = peerExplorer.getNodes();
    Assert.assertEquals(2, foundNodes.size());
    Assert.assertEquals(NODE_ID_3, Hex.toHexString(foundNodes.get(0).getId()));
    Assert.assertEquals(NODE_ID_1, Hex.toHexString(foundNodes.get(1).getId()));

    String check = UUID.randomUUID().toString();
    FindNodePeerMessage findNodePeerMessage = FindNodePeerMessage.create(key1.getNodeId(), check, key1);
    channel.clearEvents();
    channel.channelRead0(ctx, new DiscoveryEvent(findNodePeerMessage, new InetSocketAddress(HOST_1, PORT_1)));
    sentEvents = channel.getEventsWritten();
    Assert.assertEquals(1, sentEvents.size());
    NeighborsPeerMessage neighborsPeerMessage = (NeighborsPeerMessage) sentEvents.get(0).getMessage();
    Assert.assertEquals(2, neighborsPeerMessage.getNodes().size());
    Assert.assertTrue(cotainsNode(NODE_ID_1, neighborsPeerMessage.getNodes()));
    Assert.assertTrue(cotainsNode(NODE_ID_3, neighborsPeerMessage.getNodes()));
}
 

import org.ethereum.crypto.ECKey; //导入方法依赖的package包/类
@Test
public void handleNeighbors() throws Exception {
    List<String> nodes = new ArrayList<>();
    nodes.add(HOST_1 + ":" + PORT_1);

    ECKey key1 = ECKey.fromPrivate(Hex.decode(KEY_1)).decompress();
    ECKey key2 = ECKey.fromPrivate(Hex.decode(KEY_2)).decompress();

    Node node1 = new Node(key1.getNodeId(), HOST_1, PORT_1);
    Node node2 = new Node(key2.getNodeId(), HOST_2, PORT_2);
    NodeDistanceTable distanceTable = new NodeDistanceTable(KademliaOptions.BINS, KademliaOptions.BUCKET_SIZE, node2);
    PeerExplorer peerExplorer = new PeerExplorer(nodes, node2, distanceTable, key2, TIMEOUT, REFRESH);

    Channel internalChannel = Mockito.mock(Channel.class);
    UDPTestChannel channel = new UDPTestChannel(internalChannel, peerExplorer);
    ChannelHandlerContext ctx = Mockito.mock(ChannelHandlerContext.class);
    peerExplorer.setUDPChannel(channel);
    Assert.assertTrue(CollectionUtils.isEmpty(peerExplorer.getNodes()));

    //We try to process a Message without previous connection
    List<Node> newNodes = new ArrayList<>();
    newNodes.add(new Node(Hex.decode(NODE_ID_3), HOST_3, PORT_3));
    NeighborsPeerMessage neighborsPeerMessage = NeighborsPeerMessage.create(newNodes, UUID.randomUUID().toString(), key1);
    DiscoveryEvent neighborsEvent = new DiscoveryEvent(neighborsPeerMessage, new InetSocketAddress(HOST_1, PORT_1));
    channel.clearEvents();
    channel.channelRead0(ctx, neighborsEvent);
    List<DiscoveryEvent> sentEvents = channel.getEventsWritten();
    Assert.assertEquals(0, sentEvents.size());

    //we establish a connection but we dont send the findnode message.
    peerExplorer.startConversationWithNewNodes();
    PongPeerMessage incomingPongMessage = PongPeerMessage.create(HOST_1, PORT_1, ((PingPeerMessage) sentEvents.get(0).getMessage()).getMessageId(), key1);
    DiscoveryEvent incomingPongEvent = new DiscoveryEvent(incomingPongMessage, new InetSocketAddress(HOST_1, PORT_1));
    channel.channelRead0(ctx, incomingPongEvent);
    channel.clearEvents();
    channel.channelRead0(ctx, neighborsEvent);
    sentEvents = channel.getEventsWritten();
    Assert.assertEquals(0, sentEvents.size());


    //We send a findNode first
    channel.clearEvents();
    peerExplorer.sendFindNode(node1);
    FindNodePeerMessage findNodePeerMessage = (FindNodePeerMessage) channel.getEventsWritten().get(0).getMessage();
    neighborsPeerMessage = NeighborsPeerMessage.create(newNodes, findNodePeerMessage.getMessageId(), key1);
    neighborsEvent = new DiscoveryEvent(neighborsPeerMessage, new InetSocketAddress(HOST_1, PORT_1));
    channel.clearEvents();
    channel.channelRead0(ctx, neighborsEvent);

    sentEvents = channel.getEventsWritten();
    Assert.assertEquals(1, sentEvents.size());
    DiscoveryEvent discoveryEvent = sentEvents.get(0);
    Assert.assertEquals(new InetSocketAddress(HOST_3, PORT_3), discoveryEvent.getAddress());
    Assert.assertEquals(DiscoveryMessageType.PING, discoveryEvent.getMessage().getMessageType());
}
 

import org.ethereum.crypto.ECKey; //导入方法依赖的package包/类
public Handshaker() {
    myKey = new ECKey();
    nodeId = myKey.getNodeId();
    System.out.println("Node ID " + Hex.toHexString(nodeId));
}