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watchtower/wtclient/interface: add SecretKeyRing iface

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Conner Fromknecht
2019-04-23 20:03:15 -07:00
parent 7d99005dde
commit 3af6eafc8e
2 changed files with 53 additions and 0 deletions
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9
watchtower/wtclient/interface.go
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@@ -5,6 +5,7 @@ import (
"github.com/btcsuite/btcd/btcec"
"github.com/lightningnetwork/lnd/brontide"
"github.com/lightningnetwork/lnd/keychain"
"github.com/lightningnetwork/lnd/lnwire"
"github.com/lightningnetwork/lnd/watchtower/wtdb"
"github.com/lightningnetwork/lnd/watchtower/wtserver"
@@ -77,3 +78,11 @@ func AuthDial(localPriv *btcec.PrivateKey, netAddr *lnwire.NetAddress,
return brontide.Dial(localPriv, netAddr, dialer)
}
// SecretKeyRing abstracts the ability to derive HD private keys given a
// description of the derivation path.
type SecretKeyRing interface {
// DerivePrivKey derives the private key from the root seed using a
// key descriptor specifying the key's derivation path.
DerivePrivKey(loc keychain.KeyDescriptor) (*btcec.PrivateKey, error)
}