/// <summary>
/// Broadcast a transaction, if the same template behavior as been used for other nodes, they will also broadcast
/// </summary>
/// <param name="transaction">The transaction to broadcast</param>
/// <returns>The cause of the rejection or null</returns>
public Task <RejectPayload> BroadcastTransactionAsync(Transaction transaction)
{
AssertGroupAffected();
var hub = BroadcastHub.GetBroadcastHub(_Group.NodeConnectionParameters);
if (hub == null)
{
throw new InvalidOperationException("No broadcast hub detected in the group");
}
return(hub.BroadcastTransactionAsync(transaction));
}
protected override void AttachCore()
{
_Tracker = AttachedNode.Behaviors.Find <TrackerBehavior>();
if (_Tracker != null)
{
AttachedNode.Disconnected += AttachedNode_Disconnected;
AttachedNode.StateChanged += AttachedNode_StateChanged;
}
_Broadcast = BroadcastHub.GetBroadcastHub(AttachedNode);
if (_Broadcast != null)
{
_Broadcast.TransactionBroadcasted += _Broadcast_TransactionBroadcasted;
_Broadcast.TransactionRejected += _Broadcast_TransactionRejected;
}
}
protected override void AttachCore()
{
#pragma warning disable CS0612 // Type or member is obsolete
_Tracker = AttachedNode.Behaviors.Find <TrackerBehavior>();
#pragma warning restore CS0612 // Type or member is obsolete
if (_Tracker != null)
{
AttachedNode.Disconnected += AttachedNode_Disconnected;
AttachedNode.StateChanged += AttachedNode_StateChanged;
}
_Broadcast = BroadcastHub.GetBroadcastHub(AttachedNode);
if (_Broadcast != null)
{
_Broadcast.TransactionBroadcasted += _Broadcast_TransactionBroadcasted;
_Broadcast.TransactionRejected += _Broadcast_TransactionRejected;
}
}
public void ShouldSyncBlockChainAgainstLocal()
{
var network = new TestNetwork();
network.AddSeed(new NetworkAddress(new IPEndPoint(IPAddress.Parse("192.168.2.101"), 9999)));
var p = new TestTransactionPool();
p.Add("t1", 1);
p.Add("t2", 0);
p.Spend("t2", "t1", 0);
p.Render();
var genesisBlock = new TestBlock(p.TakeOut("t1").Value);
var block1 = new TestBlock(p.TakeOut("t2").Value);
block1.Parent = genesisBlock;
genesisBlock.Render();
block1.Render();
WithBlockChains(1, genesisBlock.Value.Key, blockChains =>
{
// blockChains[0].HandleNewBlock(genesisBlock.Value.Value);
// blockChains[0].HandleNewBlock(block1.Value.Value);
AutoResetEvent waitForConnection = new AutoResetEvent(false);
bool connected = false;
blockChains[0].OnAddedToStore += transaction =>
{
Trace.Information("-- Transaction Received (node server)");
// actionReceiver();
};
AddressManager addressManager = new AddressManager();
addressManager.PeersToFind = 1;
NodeConnectionParameters nodesGroupParameters = new NodeConnectionParameters();
// nodesGroupParameters.AddressFrom = servers[1].ExternalEndpoint;
nodesGroupParameters.TemplateBehaviors.Add(new AddressManagerBehavior(addressManager));
nodesGroupParameters.TemplateBehaviors.Add(new ChainBehavior(blockChains[0]));
nodesGroupParameters.TemplateBehaviors.Add(new BroadcastHubBehavior());
nodesGroupParameters.TemplateBehaviors.Add(new SPVBehavior(blockChains[0], BroadcastHub.GetBroadcastHub(nodesGroupParameters.TemplateBehaviors)));
NodesGroup nodesGroup = new NodesGroup(network, nodesGroupParameters);
nodesGroup.AllowSameGroup = true;
nodesGroup.MaximumNodeConnection = 1;
nodesGroup.ConnectedNodes.Added += (object sender, NodeEventArgs e) =>
{
Trace.Information("-- Node added to node group");
connected = true;
waitForConnection.Set();
};
nodesGroup.Connect();
Assert.True(waitForConnection.WaitOne(10000)); //TODO: use reset events instead of sleep
Assert.True(connected);
//TODO
Thread.Sleep(40000);
// actionSender(BroadcastHub.GetBroadcastHub(nodesGroup.NodeConnectionParameters));
Trace.Information("-- Done");
});
}
private void BroadcastTransaction(Action <BroadcastHub> actionSender, Action actionReceiver)
{
WithServerSet(2, servers =>
{
WithBlockChains(2, null, blockChains =>
{
AutoResetEvent waitForConnection = new AutoResetEvent(false);
bool connected = false;
servers.SeedServerIndex = 0;
AddressManager serverAddressManager = new AddressManager();
serverAddressManager.Add(
new NetworkAddress(servers[0].ExternalEndpoint),
servers[0].ExternalEndpoint.Address
);
serverAddressManager.Connected(new NetworkAddress(servers[0].ExternalEndpoint));
NodeConnectionParameters serverParameters = new NodeConnectionParameters();
serverParameters.TemplateBehaviors.Add(new AddressManagerBehavior(serverAddressManager));
serverParameters.TemplateBehaviors.Add(new BroadcastHubBehavior());
serverParameters.TemplateBehaviors.Add(new SPVBehavior(blockChains[0], BroadcastHub.GetBroadcastHub(serverParameters.TemplateBehaviors)));
blockChains[0].OnAddedToMempool += transaction => {
Trace.Information("-- Transaction Received (node server)");
actionReceiver();
};
servers[0].InboundNodeConnectionParameters = serverParameters;
#region NodeGroup
AddressManager addressManager = new AddressManager();
addressManager.PeersToFind = 1;
NodeConnectionParameters nodesGroupParameters = new NodeConnectionParameters();
nodesGroupParameters.AddressFrom = servers[1].ExternalEndpoint;
nodesGroupParameters.TemplateBehaviors.Add(new AddressManagerBehavior(addressManager));
nodesGroupParameters.TemplateBehaviors.Add(new BroadcastHubBehavior());
nodesGroupParameters.TemplateBehaviors.Add(new SPVBehavior(blockChains[1], BroadcastHub.GetBroadcastHub(nodesGroupParameters.TemplateBehaviors)));
blockChains[1].OnAddedToMempool += transaction =>
{
Trace.Information("-- Transaction Received (node group)");
};
NodesGroup nodesGroup = new NodesGroup(servers.Network, nodesGroupParameters);
nodesGroup.AllowSameGroup = true;
nodesGroup.MaximumNodeConnection = 1;
nodesGroup.ConnectedNodes.Added += (object sender, NodeEventArgs e) =>
{
Trace.Information("-- Node added to node group");
connected = true;
waitForConnection.Set();
};
nodesGroup.Connect();
#endregion
Assert.True(waitForConnection.WaitOne(10000)); //TODO: use reset events instead of sleep
Assert.True(connected);
actionSender(BroadcastHub.GetBroadcastHub(nodesGroup.NodeConnectionParameters));
Trace.Information("-- Done");
});
});
}
public void CanBroadcastTransaction()
{
using (NodeServerTester servers = new NodeServerTester(Network.TestNet))
{
var notifiedTransactions = new List <WalletTransaction>();
var chainBuilder = new BlockchainBuilder();
SetupSPVBehavior(servers, chainBuilder);
var tx = new Transaction();
Wallet wallet = new Wallet(new WalletCreation()
{
Network = Network.TestNet,
RootKeys = new[] { new ExtKey().Neuter() },
UseP2SH = false
}, keyPoolSize: 11);
NodesGroup connected = CreateGroup(servers, 2);
wallet.Configure(connected);
wallet.Connect();
AutoResetEvent evt = new AutoResetEvent(false);
bool passed = false;
bool rejected = false;
var broadcasting = wallet.BroadcastTransactionAsync(tx);
wallet.TransactionBroadcasted += (t) =>
{
passed = true;
evt.Set();
};
wallet.TransactionRejected += (t, r) =>
{
rejected = true;
evt.Set();
};
BroadcastHub hub = BroadcastHub.GetBroadcastHub(connected.NodeConnectionParameters);
BroadcastHubBehavior behavior = null;
while (behavior == null || behavior.AttachedNode.State != NodeState.HandShaked)
{
behavior = connected.ConnectedNodes.Select(n => n.Behaviors.Find <BroadcastHubBehavior>()).FirstOrDefault();
Thread.Sleep(1);
}
if (broadcasting.Status != TaskStatus.RanToCompletion)
{
Assert.Equal(1, behavior.Broadcasts.Count());
Assert.Equal(1, hub.BroadcastingTransactions.Count());
}
Assert.True(evt.WaitOne(20000));
Assert.True(broadcasting.Status == TaskStatus.RanToCompletion);
Assert.True(passed);
evt.Reset();
Assert.Equal(0, behavior.Broadcasts.Count());
Assert.Equal(0, hub.BroadcastingTransactions.Count());
Assert.Null(broadcasting.Result);
broadcasting = wallet.BroadcastTransactionAsync(tx);
if (broadcasting.Status != TaskStatus.RanToCompletion)
{
Assert.Equal(1, behavior.Broadcasts.Count());
}
Assert.True(evt.WaitOne(20000));
Assert.True(rejected);
Assert.Equal(0, behavior.Broadcasts.Count());
Assert.Equal(0, hub.BroadcastingTransactions.Count());
Assert.NotNull(broadcasting.Result);
}
}
//[Trait("UnitTest", "UnitTest")]
public void CanBroadcastTransaction()
{
using (NodeServerTester servers = new NodeServerTester())
{
var notifiedTransactions = new List <WalletTransaction>();
var chainBuilder = new BlockchainBuilder();
SetupSPVBehavior(servers, chainBuilder);
var tx = new Transaction();
Wallet wallet = new Wallet(new WalletCreation()
{
Network = servers.Network,
RootKeys = new[] { new ExtKey().Neuter() },
UseP2SH = false
}, keyPoolSize: 11);
NodesGroup connected = CreateGroup(servers, 2);
wallet.Configure(connected);
wallet.Connect();
AutoResetEvent evt = new AutoResetEvent(false);
bool passed = false;
bool rejected = false;
BroadcastHub hub = BroadcastHub.GetBroadcastHub(wallet.Group.NodeConnectionParameters);
hub.ManualBroadcast = true;
var broadcasting = wallet.BroadcastTransactionAsync(tx);
wallet.TransactionBroadcasted += (t) =>
{
passed = true;
evt.Set();
};
wallet.TransactionRejected += (t, r) =>
{
rejected = true;
evt.Set();
};
while (connected.ConnectedNodes.Count != 2 && connected.ConnectedNodes.All(n => n.State == NodeState.HandShaked))
{
Thread.Sleep(10);
}
var behaviors = connected.ConnectedNodes.Select(n => n.Behaviors.Find <BroadcastHubBehavior>()).ToArray();
TestUtils.Eventually(() => behaviors.All(b => b.Broadcasts.Count() == 1));
Assert.Equal(1, hub.BroadcastingTransactions.Count());
hub.BroadcastTransactions();
Assert.True(evt.WaitOne(20000));
Assert.True(broadcasting.Wait(2000));
Assert.True(passed);
evt.Reset();
TestUtils.Eventually(() => behaviors.All(b => b.Broadcasts.Count() == 0));
Assert.Equal(0, hub.BroadcastingTransactions.Count());
Assert.Null(broadcasting.Result);
broadcasting = wallet.BroadcastTransactionAsync(tx);
TestUtils.Eventually(() => behaviors.All(b => b.Broadcasts.Count() == 1));
hub.BroadcastTransactions();
Assert.True(evt.WaitOne(20000));
Assert.True(broadcasting.Wait(2000));
Assert.True(rejected);
TestUtils.Eventually(() => behaviors.All(b => b.Broadcasts.Count() == 0));
Assert.Equal(0, hub.BroadcastingTransactions.Count());
Assert.NotNull(broadcasting.Result);
}
}
