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watchtower: extend and rename SecretKeyRing

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This commit is contained in:
Oliver Gugger
2020-04-28 10:06:25 +02:00
parent b0cb110e86
commit 6f702a43aa
5 changed files with 68 additions and 6 deletions
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14
watchtower/wtclient/interface.go
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@@ -112,10 +112,18 @@ 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 {
// ECDHKeyRing abstracts the ability to derive shared ECDH keys given a
// description of the derivation path of a private key.
type ECDHKeyRing interface {
keychain.ECDHRing
// 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)
// DeriveKey attempts to derive an arbitrary key specified by the
// passed KeyLocator. This may be used in several recovery scenarios,
// or when manually rotating something like our current default node
// key.
DeriveKey(keyLoc keychain.KeyLocator) (keychain.KeyDescriptor, error)
}