Examples with Node org.ethereum.net.rlpx.Node used on opensource projects

Example 6 with Node

use of org.ethereum.net.rlpx.Node in project rskj by rsksmart.

the class NodeDistanceTableTest method getCloseNodes.

@Test
public void getCloseNodes() {
    Node node1 = new Node(Hex.decode(NODE_ID_1), HOST, PORT_1);
    Node node2 = new Node(Hex.decode(NODE_ID_2), HOST, PORT_2);
    Node node3 = new Node(Hex.decode(NODE_ID_3), HOST, PORT_3);
    NodeDistanceTable table = new NodeDistanceTable(KademliaOptions.BINS, KademliaOptions.BUCKET_SIZE, node1);
    Assert.assertTrue(table.addNode(node1).isSuccess());
    Assert.assertTrue(table.addNode(node2).isSuccess());
    Assert.assertTrue(table.addNode(node3).isSuccess());
    List<Node> sortedNodes = table.getClosestNodes(node2.getId());
    Assert.assertEquals(3, sortedNodes.size());
    DistanceCalculator calculator = new DistanceCalculator(KademliaOptions.BINS);
    int d1 = calculator.calculateDistance(node2.getId(), sortedNodes.get(0).getId());
    int d2 = calculator.calculateDistance(node2.getId(), sortedNodes.get(1).getId());
    int d3 = calculator.calculateDistance(node2.getId(), sortedNodes.get(2).getId());
    Assert.assertTrue(d1 <= d2);
    Assert.assertTrue(d2 <= d3);
}

Example 7 with Node

use of org.ethereum.net.rlpx.Node in project rskj by rsksmart.

the class PeerExplorer method addConnection.

private void addConnection(PongPeerMessage message, String ip, int port) {
    Node senderNode = new Node(message.getNodeId().getID(), ip, port);
    if (!StringUtils.equals(senderNode.getHexId(), this.localNode.getHexId())) {
        OperationResult result = this.distanceTable.addNode(senderNode);
        if (result.isSuccess()) {
            NodeID senderId = senderNode.getId();
            this.establishedConnections.put(senderId, senderNode);
            logger.debug("New Peer found ip:[{}] port[{}]", ip, port);
        } else {
            this.challengeManager.startChallenge(result.getAffectedEntry().getNode(), senderNode, this);
        }
    }
}

Example 8 with Node

use of org.ethereum.net.rlpx.Node in project rskj by rsksmart.

the class PeerExplorer method handleFindNode.

public void handleFindNode(FindNodePeerMessage message) {
    NodeID nodeId = message.getNodeId();
    Node connectedNode = this.establishedConnections.get(nodeId);
    if (connectedNode != null) {
        List<Node> nodesToSend = this.distanceTable.getClosestNodes(nodeId);
        logger.debug("About to send [{}] neighbors to ip[{}] port[{}] nodeId[{}]", nodesToSend.size(), connectedNode.getHost(), connectedNode.getPort(), connectedNode.getHexIdShort());
        this.sendNeighbors(connectedNode.getAddress(), nodesToSend, message.getMessageId());
        updateEntry(connectedNode);
    }
}

Example 9 with Node

use of org.ethereum.net.rlpx.Node in project rskj by rsksmart.

the class PeerExplorer method handleNeighborsMessage.

public void handleNeighborsMessage(NeighborsPeerMessage message) {
    Node connectedNode = this.establishedConnections.get(message.getNodeId());
    if (connectedNode != null) {
        logger.debug("Neighbors received from [{}]", connectedNode.getHexIdShort());
        PeerDiscoveryRequest request = this.pendingFindNodeRequests.remove(message.getMessageId());
        if (request != null && request.validateMessageResponse(message)) {
            List<Node> nodes = (message.countNodes() > MAX_NODES_PER_MSG) ? message.getNodes().subList(0, MAX_NODES_PER_MSG - 1) : message.getNodes();
            nodes.stream().filter(n -> !StringUtils.equals(n.getHexId(), this.localNode.getHexId())).forEach(node -> this.bootNodes.add(new InetSocketAddress(node.getAddress().getHostName(), node.getPort())));
            this.startConversationWithNewNodes();
        }
        updateEntry(connectedNode);
    }
}

Example 10 with Node

use of org.ethereum.net.rlpx.Node in project rskj by rsksmart.

the class DefaultConfig method peerExplorer.

@Bean
public PeerExplorer peerExplorer(RskSystemProperties rskConfig) {
    ECKey key = rskConfig.getMyKey();
    Node localNode = new Node(key.getNodeId(), rskConfig.getPublicIp(), rskConfig.getPeerPort());
    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);
}