// Checks the transaction timestamp for validity in being included in the current block.
// 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 fct.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 > fct.TRANSACTION_PRIOR_LIMIT {
return fmt.Errorf("Transaction is too old to be included in the current block")
}
if tstrans-tsblk > fct.TRANSACTION_POST_LIMIT {
return fmt.Errorf("Transaction is dated too far in the future to be included in the current block")
}
return nil
}