public AuthState CreateAuthringState(AuthorizingMsg msg, bool sourceValid)
{
_log.LogInformation($"Consensus: CreateAuthringState Called: BlockIndex: {msg.Block.Height}");
AuthState state;
if (msg.Block is ServiceBlock sb)
{
_log.LogInformation($"AllVoters: {Board.AllVoters.Count}");
state = new ServiceBlockAuthState(Worker_OnConsensusSuccessAsync, Board.AllVoters);
msg.IsServiceBlock = true;
state.SetView(Board.AllVoters);
}
else
{
state = new AuthState(Worker_OnConsensusSuccessAsync);
msg.IsServiceBlock = false;
state.SetView(Board.PrimaryAuthorizers);
}
state.InputMsg = msg;
state.IsSourceValid = sourceValid;
return(state);
}
public async Task LeaderSendBlockToConsensusAndForgetAsync(Block block)
{
if (block == null)
{
throw new ArgumentNullException();
}
if (Settings.Default.LyraNode.Lyra.NetworkId == "xtest")
{
_ = Task.Run(async() => { await OnNewBlock(block); }).ConfigureAwait(false);
}
else
{
await Task.Delay(1000);
AuthorizingMsg msg = new AuthorizingMsg
{
From = _sys.PosWallet.AccountId,
Block = block,
BlockHash = block.Hash,
MsgType = ChatMessageType.AuthorizerPrePrepare
};
var state = CreateAuthringState(msg, true);
await SubmitToConsensusAsync(state);
}
}
private async Task <(ConsensusResult?, APIResultCodes errorCode)> SendBlockToConsensusAndWaitResultAsync(Block block, List <string> voters = null) // default is genesus, 4 default
{
if (block == null)
{
throw new ArgumentNullException();
}
AuthorizingMsg msg = new AuthorizingMsg
{
From = _sys.PosWallet.AccountId,
Block = block,
BlockHash = block.Hash,
MsgType = ChatMessageType.AuthorizerPrePrepare
};
var state = CreateAuthringState(msg, true);
var sent = await SubmitToConsensusAsync(state);
if (sent)
{
await state.WaitForCloseAsync();
return(state.CommitConsensus, state.GetMajorErrorCode());
}
else
{
return(null, APIResultCodes.DoubleSpentDetected);
}
}
private AuthorizedMsg LocalAuthorizingAsync(AuthorizingMsg item)
{
var authorizer = _authorizers[item.Block.BlockType];
var localAuthResult = authorizer.Authorize(item.Block);
var result = new AuthorizedMsg
{
From = NodeService.Instance.PosWallet.AccountId,
MsgType = ChatMessageType.AuthorizerPrepare,
BlockHash = item.Block.Hash,
Result = localAuthResult.Item1,
AuthSign = localAuthResult.Item2
};
if (item.Block.BlockType == BlockTypes.Consolidation)
{
// do nothing. the UIndex has already take cared of.
}
else
{
result.BlockUIndex = Mode == ConsensusWorkingMode.Normal ? _UIndexSeed++ : 0; // if seed out of sync, then others know
}
return(result);
}
private async Task <AuthState> PostToConsensusAsync(TransactionBlock block)
{
_log.LogInformation($"ApiService: PostToConsensusAsync Called: {block.BlockType}");
//AuthorizingMsg msg = new AuthorizingMsg
//{
// From = NodeService.Instance.PosWallet.AccountId,
// Block = block,
// MsgType = ChatMessageType.AuthorizerPrePrepare
//};
AuthorizingMsg msg = new AuthorizingMsg
{
From = NodeService.Instance.PosWallet.AccountId,
Block = block,
MsgType = ChatMessageType.AuthorizerPrePrepare
};
var state = new AuthState(true);
state.SetView(await BlockChain.Singleton.GetLastServiceBlockAsync());
state.InputMsg = msg;
DagSystem.Singleton.Consensus.Tell(state);
await state.Done.AsTask();
state.Done.Close();
state.Done = null;
var ts1 = state.T1 == null ? "" : ((int)(DateTime.Now - state.T1).TotalMilliseconds).ToString();
var ts2 = state.T2 == null ? "" : ((int)(DateTime.Now - state.T2).TotalMilliseconds).ToString();
var ts3 = state.T3 == null ? "" : ((int)(DateTime.Now - state.T3).TotalMilliseconds).ToString();
var ts4 = state.T4 == null ? "" : ((int)(DateTime.Now - state.T4).TotalMilliseconds).ToString();
var ts5 = state.T5 == null ? "" : ((int)(DateTime.Now - state.T5).TotalMilliseconds).ToString();
_log.LogInformation($"ApiService Timing:\n{ts1}\n{ts2}\n{ts3}\n{ts4}\n{ts5}\n");
var resultMsg = state.OutputMsgs.Count > 0 ? state.OutputMsgs.First().Result.ToString() : "Unknown";
_log.LogInformation($"ApiService: PostToConsensusAsync Exited: IsAuthoringSuccess: {state?.CommitConsensus == ConsensusResult.Yay} with {resultMsg}");
if (state.CommitConsensus == ConsensusResult.Yay)
{
return(state);
}
else
{
return(null);
}
}
private void OnPrePrepare(AuthorizingMsg item)
{
_log.LogInformation($"Consensus: OnPrePrepare Called: BlockUIndex: {item.Block.UIndex}");
var state = CreateAuthringState(item);
_ = Task.Run(() =>
{
var result = LocalAuthorizingAsync(item);
Send2P2pNetwork(result);
state.AddAuthResult(result);
CheckAuthorizedAllOk(state);
_log.LogInformation($"Consensus: OnPrePrepare LocalAuthorized: {item.Block.UIndex}: {result.IsSuccess}");
});
}
private async Task <AuthState> PostToConsensusAsync(TransactionBlock block)
{
_log.LogInformation($"ApiService: PostToConsensusAsync Called: {block.BlockType}");
AuthorizingMsg msg = new AuthorizingMsg
{
From = NodeService.Instance.PosWallet.AccountId,
Block = block,
MsgType = ChatMessageType.AuthorizerPrePrepare
};
var result = await ConsensusSvc.Ask <AuthState>(msg).ConfigureAwait(false);
var resultMsg = result.OutputMsgs.Count > 0 ? result.OutputMsgs.First().Result.ToString() : "Unknown";
_log.LogInformation($"ApiService: PostToConsensusAsync Exited: IsAuthoringSuccess: {result?.IsConsensusSuccess == true} with {resultMsg}");
return(result);
}
private AuthState CreateAuthringState(AuthorizingMsg item)
{
_log.LogInformation($"Consensus: CreateAuthringState Called: BlockUIndex: {item.Block.UIndex}");
var ukey = item.Block.Hash;
if (_activeConsensus.ContainsKey(ukey))
{
return(_activeConsensus[ukey]);
}
var state = new AuthState
{
HashOfFirstBlock = ukey,
InputMsg = item,
};
// add possible out of ordered messages belong to the block
if (_outOfOrderedMessages.ContainsKey(item.Block.Hash))
{
var msgs = _outOfOrderedMessages[item.Block.Hash];
_outOfOrderedMessages.Remove(item.Block.Hash);
foreach (var msg in msgs)
{
switch (msg)
{
case AuthorizedMsg authorized:
state.AddAuthResult(authorized);
break;
case AuthorizerCommitMsg committed:
state.AddCommitedResult(committed);
break;
}
}
}
_activeConsensus.Add(ukey, state);
return(state);
}
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);
}
}