private bool CheckPrepareResponse()
{
if (context.TransactionHashes.Length == context.Transactions.Count)
{
// if we are the primary for this view, but acting as a backup because we recovered our own
// previously sent prepare request, then we don't want to send a prepare response.
if (context.IsPrimary || context.WatchOnly)
{
return(true);
}
// Check maximum block size via Native Contract policy
if (context.GetExpectedBlockSize() > NativeContract.Policy.GetMaxBlockSize(context.Snapshot))
{
Log($"rejected block: {context.Block.Index} The size exceed the policy", LogLevel.Warning);
RequestChangeView(ChangeViewReason.BlockRejectedByPolicy);
return(false);
}
// Check maximum block system fee via Native Contract policy
if (context.GetExpectedBlockSystemFee() > NativeContract.Policy.GetMaxBlockSystemFee(context.Snapshot))
{
Log($"rejected block: {context.Block.Index} The system fee exceed the policy", LogLevel.Warning);
RequestChangeView(ChangeViewReason.BlockRejectedByPolicy);
return(false);
}
// Timeout extension due to prepare response sent
// around 2*15/M=30.0/5 ~ 40% block time (for M=5)
ExtendTimerByFactor(2);
Log($"send prepare response");
localNode.Tell(new LocalNode.SendDirectly {
Inventory = context.MakePrepareResponse()
});
CheckPreparations();
}
return(true);
}