public static EXECUTION_RESULT?CHECKLOCKTIME(ref ExecutionStack stack)
{
if (stack.Transaction == null)
{
return(EXECUTION_RESULT.NO_TRANSACTION_GIVEN);
}
if (stack.Count() < 1)
{
return(EXECUTION_RESULT.INVALID_STACK);
}
if (stack.Peek().Length != 4)
{
return(EXECUTION_RESULT.INVALID_BYTE_SIZE);
}
uint size = stack.PopUInt();
stack.Push(stack.Transaction.lockTime >= size);
return(null);
}