private void LocalNode_NewInventory(object sender, Inventory inventory)
{
if (inventory.InventoryType != InventoryType.ConsRequest)
return;
BlockConsensusRequest request = (BlockConsensusRequest)inventory;
if (request.Verify() != VerificationResult.OK) return;
context.AddRequest(request, wallet);
}
private void RemoteNode_NewInventory(object sender, Inventory inventory)
{
lock (KnownHashes)
{
if (!KnownHashes.Add(inventory.Hash))
return;
}
VerificationResult vr = inventory.Verify();
if ((vr & ~(VerificationResult.Incapable | VerificationResult.LackOfInformation)) > 0)
return;
if (inventory.InventoryType == InventoryType.TX && vr.HasFlag(VerificationResult.LackOfInformation))
return;
RelayAsync(inventory).Void();
if (NewInventory != null)
{
NewInventory(this, inventory);
}
if (inventory.InventoryType == InventoryType.Block && NewBlock != null)
{
NewBlock(this, (Block)inventory);
}
if (inventory.InventoryType == InventoryType.TX && NewTransaction != null && vr == VerificationResult.OK)
{
NewTransaction(this, (Transaction)inventory);
}
}
public async Task<bool> RelayAsync(Inventory data)
{
bool unknown;
lock (KnownHashes)
{
unknown = KnownHashes.Add(data.Hash);
}
if (data.InventoryType == InventoryType.TX && unknown)
{
Transaction tx = (Transaction)data;
if (!Blockchain.Default.ContainsTransaction(tx.Hash) && tx.Verify() == VerificationResult.OK && NewTransaction != null)
NewTransaction(this, tx);
}
if (connectedPeers.Count == 0) return false;
RemoteNode[] remoteNodes;
lock (connectedPeers)
{
if (connectedPeers.Count == 0) return false;
remoteNodes = connectedPeers.Values.ToArray();
}
if (remoteNodes.Length == 0) return false;
RelayCache.Add(data);
await Task.WhenAny(remoteNodes.Select(p => p.RelayAsync(data)));
return true;
}
internal async Task RelayAsync(Inventory data)
{
await SendMessageAsync("inv", InvPayload.Create(data.InventoryType, data.Hash));
}
private void OnNewInventory(Inventory inventory)
{
if (NewInventory != null)
{
NewInventory(this, inventory);
}
}
private void OnInventoryReceived(Inventory inventory)
{
lock (KnownHashes)
{
KnownHashes.Add(inventory.Hash);
}
lock (missions_global)
{
missions_global.Remove(inventory.Hash);
}
missions.Remove(inventory.Hash);
if (inventory is Block)
{
if (BlockReceived != null) BlockReceived(this, (Block)inventory);
}
else if (inventory is Transaction)
{
if (TransactionReceived != null) TransactionReceived(this, (Transaction)inventory);
}
}
private async Task<bool> RelayInternalAsync(Inventory data)
{
if (connectedPeers.Count == 0) return false;
RemoteNode[] remoteNodes;
lock (connectedPeers)
{
if (connectedPeers.Count == 0) return false;
remoteNodes = connectedPeers.Values.ToArray();
}
if (remoteNodes.Length == 0) return false;
RelayCache.Add(data);
await Task.WhenAny(remoteNodes.Select(p => p.RelayAsync(data)));
return true;
}
public async Task<bool> RelayAsync(Inventory data)
{
bool result = await RelayInternalAsync(data);
if (data is Block)
{
if (Blockchain.Default != null && !Blockchain.Default.ContainsBlock(data.Hash) && Blockchain.Default.AddBlock(data as Block))
{
if (NewInventory != null) NewInventory(this, data);
}
}
else if (data is Transaction)
{
if (Blockchain.Default != null && !Blockchain.Default.ContainsTransaction(data.Hash) && Blockchain.Default.AddTransaction(data as Transaction))
{
if (NewInventory != null) NewInventory(this, data);
}
}
return result;
}
internal void Relay(Inventory data)
{
EnqueueMessage("inv", InvPayload.Create(data.InventoryType, data.Hash));
}