package channeldb import ( "fmt" "golang.org/x/crypto/ripemd160" "github.com/boltdb/bolt" "github.com/btcsuite/btcd/chaincfg" "github.com/btcsuite/btcutil" ) var ( idBucket = []byte("i") ActiveNetParams = &chaincfg.TestNet3Params ) // PutIdKey saves the hash160 of the public key used for our identity within // the Lightning Network. func (d *DB) PutIdKey(pkh []byte) error { return d.store.Update(func(tx *bolt.Tx) error { // Get the bucket dedicated to storing the meta-data for open // channels. bucket, err := tx.CreateBucketIfNotExists(idBucket) if err != nil { return err } return bucket.Put(identityKey, pkh) }) } // GetIdKey returns the hash160 of the public key used for out identity within // the Lightning Network as a p2pkh bitcoin address. func (d *DB) GetIdAdr() (*btcutil.AddressPubKeyHash, error) { pkh := make([]byte, ripemd160.Size) err := d.store.View(func(tx *bolt.Tx) error { // Get the bucket dedicated to storing the meta-data for open // channels. bucket := tx.Bucket(idBucket) if bucket == nil { return fmt.Errorf("id bucket not created") } pkBytes := bucket.Get(identityKey) copy(pkh, pkBytes) return nil }) if err != nil { return nil, err } log.Infof("identity key has length %d", len(pkh)) return btcutil.NewAddressPubKeyHash(pkh, ActiveNetParams) }