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