store.go
func (ks *Keystore) PublicKey() (crypto.PublicKey, bool) {
	ks.rw.RLock()
	key, pub := ks.Key, ks.PubKey
	ks.rw.RUnlock()
	if pub != nil {
		return pub, true
	}

	// generate the public key
	if key != nil {
		ks.rw.Lock()
		defer ks.rw.Unlock()

		if x, ok := key.(interface {
			Public() crypto.PublicKey
		}); ok {
			ks.PubKey = x.Public()
		}

		return ks.PubKey, ks.PubKey != nil
	}

	return nil, false
}
func (ks *Keystore) PublicKey() (crypto.PublicKey, bool) {
	ks.rw.RLock()
	key, pub := ks.Key, ks.PubKey
	ks.rw.RUnlock()
	if pub != nil {
		return pub, true
	}

	// generate the public key
	if key != nil {
		ks.rw.Lock()
		defer ks.rw.Unlock()

		if x, ok := key.(interface {
			Public() crypto.PublicKey
		}); ok {
			ks.PubKey = x.Public()
		}

		return ks.PubKey, ks.PubKey != nil
	}

	return nil, false
}
func ( ks * Keystore ) PublicKey ( ) ( crypto . PublicKey , bool ) { ks . rw . RLock ( ) key , pub := ks . Key , ks . PubKey ks . rw . RUnlock ( ) if pub != nil { return pub , true } // generate the public key if key != nil { ks . rw . Lock ( ) defer ks . rw . Unlock ( ) if x , ok := key . ( interface { Public ( ) crypto . PublicKey } ) ; ok { ks . PubKey = x . Public ( ) } return ks . PubKey , ks . PubKey != nil } return nil , false }
// PublicKey returns the stored public key for the keystore, alternately
// generating the public key from the private key if the public key was not
// supplied and the private key was.
PublicKey returns the stored public key for the keystore alternately generating the public key from the private key if the public key was not supplied and the private key was .