Esempio n. 1
0
// Checks the transaction timestamp for validity in being included in the current
// No node has any responsiblity to forward on transactions that do not fall within
// the timeframe around a block defined by TRANSACTION_PRIOR_LIMIT and TRANSACTION_POST_LIMIT
func (fs *FactoidState) ValidateTransactionAge(trans interfaces.ITransaction) error {
	tsblk := fs.GetCurrentBlock().GetCoinbaseTimestamp()
	if tsblk < 0 {
		return fmt.Errorf("Block has no coinbase transaction at this time")
	}

	tstrans := int64(trans.GetMilliTimestamp())

	if tsblk-tstrans > constants.TRANSACTION_PRIOR_LIMIT {
		return fmt.Errorf("Transaction is too old to be included in the current block")
	}

	if tstrans-tsblk > constants.TRANSACTION_POST_LIMIT {
		return fmt.Errorf("Transaction is dated too far in the future to be included in the current block")
	}
	return nil
}