private void OnConsensusPayload(ConsensusPayload payload)
{
if (context.State.HasFlag(ConsensusState.BlockSent))
{
return;
}
if (payload.ValidatorIndex == context.MyIndex)
{
return;
}
if (payload.Version != ConsensusContext.Version)
{
return;
}
if (payload.PrevHash != context.PrevHash || payload.BlockIndex != context.BlockIndex)
{
if (context.BlockIndex < payload.BlockIndex)
{
Log($"chain sync: expected={payload.BlockIndex} current={context.BlockIndex - 1} nodes={LocalNode.Singleton.ConnectedCount}", LogLevel.Warning);
}
return;
}
if (payload.ValidatorIndex >= context.Validators.Length)
{
return;
}
ConsensusMessage message;
try
{
message = ConsensusMessage.DeserializeFrom(payload.Data);
}
catch
{
return;
}
if (message.ViewNumber != context.ViewNumber && message.Type != ConsensusMessageType.ChangeView)
{
return;
}
switch (message.Type)
{
case ConsensusMessageType.ChangeView:
OnChangeViewReceived(payload, (ChangeView)message);
break;
case ConsensusMessageType.PrepareRequest:
OnPrepareRequestReceived(payload, (PrepareRequest)message);
break;
case ConsensusMessageType.PrepareResponse:
OnPrepareResponseReceived(payload, (PrepareResponse)message);
break;
}
}
public ConsensusMessage GetMessage(ExtensiblePayload payload)
{
if (payload is null)
{
return(null);
}
if (!cachedMessages.TryGetValue(payload.Hash, out ConsensusMessage message))
{
cachedMessages.Add(payload.Hash, message = ConsensusMessage.DeserializeFrom(payload.Data));
}
return(message);
}
private void LocalNode_InventoryReceived(object sender, IInventory inventory)
{
ConsensusPayload payload = inventory as ConsensusPayload;
if (payload != null)
{
lock (context)
{
if (payload.ValidatorIndex == context.MyIndex)
{
return;
}
if (payload.Version != ConsensusContext.Version || payload.PrevHash != context.PrevHash || payload.BlockIndex != context.BlockIndex)
{
return;
}
if (payload.ValidatorIndex >= context.Validators.Length)
{
return;
}
ConsensusMessage message;
try
{
message = ConsensusMessage.DeserializeFrom(payload.Data);
}
catch
{
return;
}
if (message.ViewNumber != context.ViewNumber && message.Type != ConsensusMessageType.ChangeView)
{
return;
}
switch (message.Type)
{
case ConsensusMessageType.ChangeView:
OnChangeViewReceived(payload, (ChangeView)message);
break;
case ConsensusMessageType.PrepareRequest:
OnPrepareRequestReceived(payload, (PrepareRequest)message);
break;
case ConsensusMessageType.PrepareResponse:
OnPrepareResponseReceived(payload, (PrepareResponse)message);
break;
}
}
}
}
private void LocalNode_InventoryReceived(object sender, IInventory inventory)
{
ConsensusPayload payload = inventory as ConsensusPayload;
if (payload != null)
{
lock (context)
{
if (payload.ValidatorIndex == context.MyIndex)
{
return;
}
if (payload.Version != ConsensusContext.Version)
{
return;
}
if (payload.PrevHash != context.PrevHash || payload.BlockIndex != context.BlockIndex)
{
// Request blocks
if (Blockchain.Default?.Height + 1 < payload.BlockIndex)
{
Log($"chain sync: expected={payload.BlockIndex} current: {Blockchain.Default?.Height}");
localNode.RequestGetBlocks();
}
return;
}
if (payload.ValidatorIndex >= context.Validators.Length)
{
return;
}
ConsensusMessage message;
try
{
message = ConsensusMessage.DeserializeFrom(payload.Data);
}
catch
{
return;
}
if (message.ViewNumber != context.ViewNumber && message.Type != ConsensusMessageType.ChangeView)
{
return;
}
switch (message.Type)
{
case ConsensusMessageType.ChangeView:
OnChangeViewReceived(payload, (ChangeView)message);
break;
case ConsensusMessageType.PrepareRequest:
OnPrepareRequestReceived(payload, (PrepareRequest)message);
break;
case ConsensusMessageType.PrepareResponse:
OnPrepareResponseReceived(payload, (PrepareResponse)message);
break;
}
}
}
}
