Method cache

protocol/tx.go:51–55

(txID bc.Hash, err error)

}

func (c *prevalidatedTxsCache) cache(txID bc.Hash, err error) {
	c.mu.Lock()
	c.lru.Add(txID, err)
	c.mu.Unlock()
}

func (c *Chain) checkIssuanceWindow(tx *bc.Tx) error {
	if c.MaxIssuanceWindow == 0 {