private void OnTimeout(object state)
{
lock (context)
{
if (timer_height != context.BlockIndex || timer_view != context.ViewNumber)
{
return;
}
Log($"timeout: height={timer_height} view={timer_view} state={context.State}");
if (context.State.HasFlag(ConsensusState.Primary) && !context.State.HasFlag(ConsensusState.RequestSent))
{
Log($"send perpare request: height={timer_height} view={timer_view}");
context.State |= ConsensusState.RequestSent;
if (!context.State.HasFlag(ConsensusState.SignatureSent))
{
context.Timestamp = Math.Max(DateTime.Now.ToTimestamp(), Blockchain.Default.GetHeader(context.PrevHash).Timestamp + 1);
context.Nonce = GetNonce();
List <Transaction> transactions = LocalNode.GetMemoryPool().Where(p => CheckPolicy(p)).ToList();
if (transactions.Count >= MaxTransactionsPerBlock)
{
transactions = transactions.OrderByDescending(p => p.NetworkFee / p.Size).Take(MaxTransactionsPerBlock - 1).ToList();
}
transactions.Insert(0, CreateMinerTransaction(transactions, context.BlockIndex, context.Nonce));
context.TransactionHashes = transactions.Select(p => p.Hash).ToArray();
context.Transactions = transactions.ToDictionary(p => p.Hash);
context.NextConsensus = Blockchain.GetConsensusAddress(Blockchain.Default.GetValidators(transactions).ToArray());
context.Signatures[context.MyIndex] = context.MakeHeader().Sign(wallet.GetKey(context.Validators[context.MyIndex]));
}
SignAndRelay(context.MakePerpareRequest());
timer.Change(TimeSpan.FromSeconds(Blockchain.SecondsPerBlock << (timer_view + 1)), Timeout.InfiniteTimeSpan);
}
else if ((context.State.HasFlag(ConsensusState.Primary) && context.State.HasFlag(ConsensusState.RequestSent)) || context.State.HasFlag(ConsensusState.Backup))
{
RequestChangeView();
}
}
}