private void CheckAuthorizedAllOk(AuthState state)
{
if (state.GetIsAuthoringSuccess(_board))
{
if (state.Saving)
{
return;
}
state.Saving = true;
_ = Task.Run(() =>
{
// do commit
var block = state.InputMsg.Block;
block.Authorizations = state.OutputMsgs.Select(a => a.AuthSign).ToList();
if (block.BlockType != BlockTypes.Consolidation)
{
// pickup UIndex
try
{
block.UIndex = state.ConsensusUIndex;
}
catch (Exception ex)
{
_log.LogError("Can't get UIndex. System fail: " + ex.Message);
return;
}
}
if (block.UIndex != _UIndexSeed - 1)
{
// local node out of sync
_UIndexSeed = block.UIndex + 1;
Mode = ConsensusWorkingMode.OutofSyncWaiting;
LyraSystem.Singleton.TheBlockchain.Tell(new BlockChain.NeedSync {
ToUIndex = block.UIndex
});
}
block.UHash = SignableObject.CalculateHash($"{block.UIndex}|{block.Index}|{block.Hash}");
BlockChain.Singleton.AddBlock(block);
var msg = new AuthorizerCommitMsg
{
From = NodeService.Instance.PosWallet.AccountId,
MsgType = ChatMessageType.AuthorizerCommit,
BlockHash = state.InputMsg.Block.Hash,
BlockIndex = block.UIndex,
Commited = true
};
state.AddCommitedResult(msg);
Send2P2pNetwork(msg);
_log.LogInformation($"Consensus: OnPrepare Commited: BlockUIndex: {msg.BlockHash}");
});
}
}
public ConsensusService(IActorRef localNode)
{
_localNode = localNode;
_log = new SimpleLogger("ConsensusService").Logger;
_outOfOrderedMessages = new Dictionary <string, List <SourceSignedMessage> >();
_activeConsensus = new Dictionary <string, AuthState>();
_authorizers = new AuthorizersFactory();
while (BlockChain.Singleton == null)
{
Task.Delay(100).Wait();
}
_UIndexSeed = BlockChain.Singleton.GetBlockCount() + 1;
Mode = ConsensusWorkingMode.OutofSyncWaiting;
Receive <Consolidate>((_) =>
{
_log.LogInformation("Doing Consolidate");
OnNodeActive(NodeService.Instance.PosWallet.AccountId); // update billboard
if (Mode == ConsensusWorkingMode.Normal)
{
BroadCastBillBoard();
GenerateConsolidateBlock();
}
});
Receive <BillBoard>((bb) => {
_board = bb;
});
Receive <AskForBillboard>((_) => Sender.Tell(_board));
Receive <AuthorizingMsg>(async msg => {
if (msg.Version != LyraGlobal.ProtocolVersion)
{
Sender.Tell(null);
}
OnNodeActive(NodeService.Instance.PosWallet.AccountId); // update billboard
// first try auth locally
var state = CreateAuthringState(msg);
var localAuthResult = LocalAuthorizingAsync(msg);
state.AddAuthResult(localAuthResult);
if (!localAuthResult.IsSuccess)
{
state.Done.Set();
Sender.Tell(state);
}
else
{
Send2P2pNetwork(msg);
Send2P2pNetwork(localAuthResult);
var sender = Context.Sender;
await Task.Run(() =>
{
_ = state.Done.WaitOne();
}).ConfigureAwait(false);
sender.Tell(state);
}
});
Receive <SignedMessageRelay>(relayMsg =>
{
if (relayMsg.signedMessage.Version == LyraGlobal.ProtocolVersion)
{
OnNextConsensusMessage(relayMsg.signedMessage);
}
else
{
_log.LogWarning("Protocol Version Mismatch. Do nothing.");
}
});
Receive <BlockChainSynced>(_ =>
{
Mode = ConsensusWorkingMode.Normal;
_UIndexSeed = BlockChain.Singleton.GetBlockCount() + 1;
// declare to the network
var msg = new ChatMsg
{
From = NodeService.Instance.PosWallet.AccountId,
MsgType = ChatMessageType.NodeUp,
Text = "Staking with () Lyra"
};
Send2P2pNetwork(msg);
});
Task.Run(async() => {
while (true)
{
StateClean();
await Task.Delay(1000).ConfigureAwait(false);
}
});
}
private void GenerateConsolidateBlock()
{
var authGenesis = BlockChain.Singleton.GetLastServiceBlock();
var lastCons = BlockChain.Singleton.GetSyncBlock();
var consBlock = new ConsolidationBlock
{
UIndex = _UIndexSeed++,
NetworkId = authGenesis.NetworkId,
ShardId = authGenesis.ShardId,
ServiceHash = authGenesis.Hash,
SvcAccountID = NodeService.Instance.PosWallet.AccountId
};
// use merkle tree to consolidate all previous blocks, from lastCons.UIndex to consBlock.UIndex -1
var mt = new MerkleTree();
for (var ndx = lastCons.UIndex; ndx < consBlock.UIndex; ndx++) // TODO: handling "losing" block here
{
var block = BlockChain.Singleton.GetBlockByUIndex(ndx);
if (block == null)
{
// block lost
_log.LogError($"Block lost for No. {ndx}. Try to resync with other seeds...");
// triggering a resync
Mode = ConsensusWorkingMode.OutofSyncWaiting;
LyraSystem.Singleton.TheBlockchain.Tell(new BlockChain.NeedSync {
ToUIndex = ndx
});
return;
}
var mhash = MerkleHash.Create(block.UHash);
mt.AppendLeaf(mhash);
}
consBlock.MerkelTreeHash = mt.BuildTree().ToString();
consBlock.InitializeBlock(lastCons, NodeService.Instance.PosWallet.PrivateKey,
authGenesis.NetworkId, authGenesis.ShardId,
NodeService.Instance.PosWallet.AccountId);
//consBlock.UHash = SignableObject.CalculateHash($"{consBlock.UIndex}|{consBlock.Index}|{consBlock.Hash}");
//consBlock.Authorizations = new List<AuthorizationSignature>();
//consBlock.Authorizations.Add(new AuthorizationSignature
//{
// Key = NodeService.Instance.PosWallet.AccountId,
// Signature = Signatures.GetSignature(NodeService.Instance.PosWallet.PrivateKey, consBlock.Hash + consBlock.ServiceHash, NodeService.Instance.PosWallet.AccountId)
//});
//BlockChain.Singleton.AddBlock(consBlock);
//// broadcast to whole network
//var msg = new ChatMsg(NodeService.Instance.PosWallet.AccountId, JsonConvert.SerializeObject(consBlock));
//msg.MsgType = ChatMessageType.BlockConsolidation;
//Send2P2pNetwork(msg);
// no, we do consensus
AuthorizingMsg msg = new AuthorizingMsg
{
From = NodeService.Instance.PosWallet.AccountId,
Block = consBlock,
MsgType = ChatMessageType.AuthorizerPrePrepare
};
var state = CreateAuthringState(msg);
var localAuthResult = LocalAuthorizingAsync(msg);
state.AddAuthResult(localAuthResult);
if (!localAuthResult.IsSuccess)
{
_log.LogError("Fatal Error: Consolidate block local authorization failed.");
}
else
{
Send2P2pNetwork(msg);
Send2P2pNetwork(localAuthResult);
}
}
