public async Task DoHandshake_InvalidPeer_Test()
        {
            var context     = BuildServerCallContext(null, "ipv4:127.0.0.1:a");
            var peerKeyPair = CryptoHelper.GenerateKeyPair();
            var handshake   = NetworkTestHelper.CreateValidHandshake(peerKeyPair, 10, ChainHelper.ConvertBase58ToChainId("AELF"), 2000);
            var request     = new HandshakeRequest {
                Handshake = handshake
            };
            var result = await _serverService.DoHandshake(request, context);

            result.Error.ShouldBe(HandshakeError.InvalidConnection);
        }
        public override void ConfigureServices(ServiceConfigurationContext context)
        {
            var services = context.Services;

            services.AddTransient(provider =>
            {
                var mockService = new Mock <IConnectionService>();
                mockService.Setup(m => m.DoHandshakeAsync(It.IsAny <DnsEndPoint>(), It.IsAny <Handshake>()))
                .Returns <DnsEndPoint, Handshake>((pe, hsk) =>
                {
                    var handshake = NetworkTestHelper.CreateValidHandshake(CryptoHelper.GenerateKeyPair(), 10, hsk.HandshakeData.ChainId);

                    var handShakeReply = Task.FromResult(new HandshakeReply
                    {
                        Error     = HandshakeError.HandshakeOk,
                        Handshake = handshake
                    });
                    return(handShakeReply);
                });

                return(mockService.Object);
            });
        }
        public override void ConfigureServices(ServiceConfigurationContext context)
        {
            Configure <NetworkOptions>(o =>
            {
                o.ListeningPort = 2001;
                o.MaxPeers      = 2;
            });

            context.Services.AddTransient(o =>
            {
                var mockBlockchainService = new Mock <IBlockchainService>();
                var keyPair = CryptoHelper.GenerateKeyPair();

                mockBlockchainService.Setup(b => b.GetChainAsync()).ReturnsAsync(new Chain
                {
                    Id = NetworkTestConstants.DefaultChainId
                });

                mockBlockchainService.Setup(b => b.GetChainId()).Returns(NetworkTestConstants.DefaultChainId);

                mockBlockchainService.Setup(b => b.GetBlockHeaderByHashAsync(It.IsAny <Hash>())).ReturnsAsync(
                    NetworkTestHelper.CreateFakeBlockHeader(NetworkTestConstants.DefaultChainId, 1, keyPair));

                return(mockBlockchainService.Object);
            });

            context.Services.AddTransient(sp =>
            {
                var mockDialer = new Mock <IPeerDialer>();

                mockDialer.Setup(d =>
                                 d.DialPeerAsync(It.Is <DnsEndPoint>(endPoint =>
                                                                     endPoint.ToString() == NetworkTestConstants.FakeIpEndpoint)))
                .Returns <DnsEndPoint>(s =>
                {
                    var peer = GrpcTestPeerHelper.CreateBasicPeer(NetworkTestConstants.FakeIpEndpoint,
                                                                  NetworkTestConstants.FakePubkey);
                    return(Task.FromResult(peer));
                });

                mockDialer.Setup(d =>
                                 d.DialPeerAsync(It.Is <DnsEndPoint>(endPoint =>
                                                                     endPoint.ToString() == NetworkTestConstants.FakeIpEndpoint2)))
                .Returns <DnsEndPoint>(s =>
                {
                    var peer = GrpcTestPeerHelper.CreateBasicPeer(NetworkTestConstants.FakeIpEndpoint2,
                                                                  NetworkTestConstants.FakePubkey);
                    return(Task.FromResult(peer));
                });

                mockDialer.Setup(d => d.DialPeerAsync(It.Is <DnsEndPoint>(endPoint =>
                                                                          endPoint.ToString() == NetworkTestConstants
                                                                          .DialExceptionIpEndpoint)))
                .Returns(Task.FromResult <GrpcPeer>(null));

                mockDialer.Setup(d => d.DialPeerAsync(It.Is <DnsEndPoint>(endPoint =>
                                                                          endPoint.ToString() == NetworkTestConstants.HandshakeWithNetExceptionIp)))
                .Returns <DnsEndPoint>(s =>
                {
                    var mockClient = new Mock <PeerService.PeerServiceClient>();
                    mockClient.Setup(m => m.DoHandshakeAsync(It.IsAny <HandshakeRequest>(), It.IsAny <Metadata>(),
                                                             It.IsAny <DateTime?>(), CancellationToken.None))
                    .Throws(new AggregateException());

                    var peer = GrpcTestPeerHelper.CreatePeerWithClient(NetworkTestConstants.FakeIpEndpoint2,
                                                                       NetworkTestConstants.FakePubkey,
                                                                       mockClient.Object);

                    return(Task.FromResult(peer));
                });

                // Incorrect handshake
                mockDialer.Setup(d =>
                                 d.DialPeerAsync(It.Is <DnsEndPoint>(endPoint =>
                                                                     endPoint.ToString() == NetworkTestConstants.BadHandshakeIp)))
                .Returns <DnsEndPoint>((s) =>
                {
                    var handshakeReply = new HandshakeReply();

                    var handshakeCall = TestCalls.AsyncUnaryCall(Task.FromResult(handshakeReply),
                                                                 Task.FromResult(new Metadata()), () => Status.DefaultSuccess, () => new Metadata(),
                                                                 () => { });

                    var mockClient = new Mock <PeerService.PeerServiceClient>();
                    mockClient.Setup(m => m.DoHandshakeAsync(It.IsAny <HandshakeRequest>(), It.IsAny <Metadata>(),
                                                             It.IsAny <DateTime?>(),
                                                             CancellationToken.None)).Returns(handshakeCall);
                    mockClient.Setup(m => m.ConfirmHandshakeAsync(It.IsAny <ConfirmHandshakeRequest>(),
                                                                  It.IsAny <Metadata>(), It.IsAny <DateTime?>(),
                                                                  CancellationToken.None)).Throws(new AggregateException());

                    var peer = GrpcTestPeerHelper.CreatePeerWithClient(NetworkTestConstants.GoodPeerEndpoint,
                                                                       NetworkTestConstants.FakePubkey, mockClient.Object);

                    return(Task.FromResult(peer));
                });

                // Incorrect handshake signature
                mockDialer.Setup(d => d.DialPeerAsync(It.Is <DnsEndPoint>(endPoint =>
                                                                          endPoint.ToString() == NetworkTestConstants
                                                                          .HandshakeWithDataExceptionIp)))
                .Returns <string>(async(s) =>
                {
                    var handshakeProvider        = context.Services.GetServiceLazy <IHandshakeProvider>().Value;
                    var handshake                = await handshakeProvider.GetHandshakeAsync();
                    handshake.HandshakeData.Time = null;
                    var handshakeReply           = new HandshakeReply {
                        Handshake = handshake
                    };

                    var handshakeCall = TestCalls.AsyncUnaryCall(Task.FromResult(handshakeReply),
                                                                 Task.FromResult(new Metadata()), () => Status.DefaultSuccess, () => new Metadata(),
                                                                 () => { });

                    var mockClient = new Mock <PeerService.PeerServiceClient>();
                    mockClient.Setup(m => m.DoHandshakeAsync(It.IsAny <HandshakeRequest>(), It.IsAny <Metadata>(),
                                                             It.IsAny <DateTime?>(),
                                                             CancellationToken.None)).Returns(handshakeCall);

                    var peer = GrpcTestPeerHelper.CreatePeerWithClient(NetworkTestConstants.GoodPeerEndpoint,
                                                                       NetworkTestConstants.FakePubkey, mockClient.Object);

                    return(peer);
                });

                // This peer will pass all checks with success.
                mockDialer.Setup(d =>
                                 d.DialPeerAsync(It.Is <DnsEndPoint>(endPoint =>
                                                                     endPoint.ToString() == NetworkTestConstants.GoodPeerEndpoint)))
                .Returns <DnsEndPoint>(s =>
                {
                    var keyPair        = CryptoHelper.GenerateKeyPair();
                    var handshakeReply = new HandshakeReply
                    {
                        Handshake = NetworkTestHelper.CreateValidHandshake(keyPair, 10)
                    };
                    var handshakeCall = TestCalls.AsyncUnaryCall(Task.FromResult(handshakeReply),
                                                                 Task.FromResult(new Metadata()), () => Status.DefaultSuccess, () => new Metadata(),
                                                                 () => { });
                    var confirmHandshakeCall = TestCalls.AsyncUnaryCall(Task.FromResult(new VoidReply()),
                                                                        Task.FromResult(new Metadata()), () => Status.DefaultSuccess, () => new Metadata(),
                                                                        () => { });

                    var mockClient = new Mock <PeerService.PeerServiceClient>();
                    mockClient.Setup(m => m.DoHandshakeAsync(It.IsAny <HandshakeRequest>(), It.IsAny <Metadata>(),
                                                             It.IsAny <DateTime?>(),
                                                             CancellationToken.None)).Returns(handshakeCall);

                    mockClient.Setup(m => m.ConfirmHandshakeAsync(It.IsAny <ConfirmHandshakeRequest>(),
                                                                  It.IsAny <Metadata>(), It.IsAny <DateTime?>(),
                                                                  CancellationToken.None)).Returns(confirmHandshakeCall);

                    var peer = GrpcTestPeerHelper.CreatePeerWithClient(NetworkTestConstants.GoodPeerEndpoint,
                                                                       NetworkTestConstants.FakePubkey, mockClient.Object);
                    peer.UpdateLastSentHandshake(handshakeReply.Handshake);

                    return(Task.FromResult(peer));
                });

                mockDialer.Setup(d => d.DialBackPeerAsync(It.IsAny <DnsEndPoint>(), It.IsAny <Handshake>()))
                .Returns <DnsEndPoint, Handshake>((endPoint, handshake) =>
                {
                    if (endPoint.ToString() == NetworkTestConstants.GoodPeerEndpoint)
                    {
                        var peer = GrpcTestPeerHelper.CreateBasicPeer(NetworkTestConstants.GoodPeerEndpoint,
                                                                      NetworkTestConstants.FakePubkey);
                        return(Task.FromResult(peer));
                    }

                    return(Task.FromResult <GrpcPeer>(null));
                });

                return(mockDialer.Object);
            });
        }