public async Task Can_handshake()
{
/* tools */
var cryptoRandom = new CryptoRandom();
var testLogger = new TestLogger();
var logManager = new OneLoggerLogManager(testLogger);
/* rlpx + p2p + eth */
_keyA = TestObject.PrivateKeyA;
_keyB = TestObject.PrivateKeyB;
_keyC = TestObject.PrivateKeyC;
var signer = new Signer();
var eciesCipher = new EciesCipher(cryptoRandom);
var serializationService = Build.A.SerializationService().WithEncryptionHandshake().WithP2P().WithEth().TestObject;
var encryptionHandshakeServiceA = new EncryptionHandshakeService(serializationService, eciesCipher, cryptoRandom, signer, _keyA, logManager);
var encryptionHandshakeServiceB = new EncryptionHandshakeService(serializationService, eciesCipher, cryptoRandom, signer, _keyB, logManager);
// var encryptionHandshakeServiceC = new EncryptionHandshakeService(serializationService, eciesCipher, cryptoRandom, signer, _keyC, logger);
var syncManager = Substitute.For <ISynchronizationManager>();
Block genesisBlock = Build.A.Block.Genesis.TestObject;
syncManager.Head.Returns(genesisBlock.Header);
syncManager.Genesis.Returns(genesisBlock.Header);
var peerServerA = new RlpxPeer(new NodeId(_keyA.PublicKey), PortA, encryptionHandshakeServiceA, serializationService, syncManager, logManager);
var peerServerB = new RlpxPeer(new NodeId(_keyB.PublicKey), PortB, encryptionHandshakeServiceB, serializationService, syncManager, logManager);
// var peerServerC = new RlpxPeer(_keyC.PublicKey, PortC, encryptionHandshakeServiceC, serializationService, Substitute.For<ISynchronizationManager>(), logger);
await Task.WhenAll(peerServerA.Init(), peerServerB.Init());
// await Task.WhenAll(peerServerA.Init(), peerServerB.Init(), peerServerC.Init());
Console.WriteLine("Servers running...");
Console.WriteLine("Connecting A to B...");
await peerServerA.ConnectAsync(new NodeId(_keyB.PublicKey), "127.0.0.1", PortB);
Console.WriteLine("A to B connected...");
// Console.WriteLine("Connecting A to C...");
// await peerServerA.ConnectAsync(_keyC.PublicKey, "127.0.0.1", PortC);
// Console.WriteLine("A to C connected...");
//
// Console.WriteLine("Connecting C to C...");
// await peerServerB.ConnectAsync(_keyA.PublicKey, "127.0.0.1", PortA);
// Console.WriteLine("C to C connected...");
Console.WriteLine("Shutting down...");
await Task.WhenAll(peerServerA.Shutdown(), peerServerB.Shutdown());
Console.WriteLine("Goodbye...");
Assert.True(testLogger.LogList.Count(l => l.Contains("ETH received status with")) == 2, "ETH status exchange");
}
private static async Task InitNet(ChainSpec chainSpec)
{
/* tools */
var serializationService = new MessageSerializationService();
var cryptoRandom = new CryptoRandom();
var signer = new Signer();
/* rlpx */
var eciesCipher = new EciesCipher(cryptoRandom);
var eip8Pad = new Eip8MessagePad(cryptoRandom);
serializationService.Register(new AuthEip8MessageSerializer(eip8Pad));
serializationService.Register(new AckEip8MessageSerializer(eip8Pad));
var encryptionHandshakeServiceA = new EncryptionHandshakeService(serializationService, eciesCipher, cryptoRandom, signer, _privateKey, NetworkLogger);
/* p2p */
serializationService.Register(new HelloMessageSerializer());
serializationService.Register(new DisconnectMessageSerializer());
serializationService.Register(new PingMessageSerializer());
serializationService.Register(new PongMessageSerializer());
/* eth */
serializationService.Register(new StatusMessageSerializer());
serializationService.Register(new TransactionsMessageSerializer());
serializationService.Register(new GetBlockHeadersMessageSerializer());
serializationService.Register(new NewBlockHashesMessageSerializer());
serializationService.Register(new GetBlockBodiesMessageSerializer());
serializationService.Register(new BlockHeadersMessageSerializer());
serializationService.Register(new BlockBodiesMessageSerializer());
serializationService.Register(new NewBlockMessageSerializer());
NetworkLogger.Info("Initializing server...");
var localPeer = new RlpxPeer(_privateKey.PublicKey, _listenPort, encryptionHandshakeServiceA, serializationService, _syncManager, NetworkLogger);
await localPeer.Init();
// https://stackoverflow.com/questions/6803073/get-local-ip-address?utm_medium=organic&utm_source=google_rich_qa&utm_campaign=google_rich_qa
string localIp;
using (Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, 0))
{
socket.Connect("8.8.8.8", 65530);
IPEndPoint endPoint = socket.LocalEndPoint as IPEndPoint;
Debug.Assert(endPoint != null, "null endpoint when connecting a UDP socket");
localIp = endPoint.Address.ToString();
}
NetworkLogger.Info($"Node is up and listening on {localIp}:{_listenPort}... press ENTER to exit");
NetworkLogger.Info($"enode://{_privateKey.PublicKey.ToString(false)}@{localIp}:{_listenPort}");
foreach (Bootnode bootnode in chainSpec.Bootnodes)
{
NetworkLogger.Info($"Connecting to {bootnode.Description} @ {bootnode.Host}:{bootnode.Port}");
await localPeer.ConnectAsync(bootnode.PublicKey, bootnode.Host, bootnode.Port);
NetworkLogger.Info("Testnet connected...");
}
Console.ReadLine();
NetworkLogger.Info("Shutting down...");
NetworkLogger.Info("Stopping sync manager...");
await _syncManager.StopAsync();
NetworkLogger.Info("Stopping blockchain processor...");
await _blockchainProcessor.StopAsync();
NetworkLogger.Info("Stopping local peer...");
await localPeer.Shutdown();
NetworkLogger.Info("Goodbye...");
}