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multi: use key locator only for signing messages

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To simplify the API surface of a remote signer even more, we refactor
the SignMessage and SignMessageCompact calls to only accept a key
locator as we always know what key we're using for signing anyway.
This commit is contained in:
Oliver Gugger
2021-09-23 16:54:29 +02:00
parent 8b7c88537c
commit afa03f22cc
6 changed files with 46 additions and 37 deletions
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22
lntest/mock/secretkeyring.go
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@@ -12,8 +12,8 @@ type SecretKeyRing struct {
}
// DeriveNextKey currently returns dummy values.
func (s *SecretKeyRing) DeriveNextKey(keyFam keychain.KeyFamily) (
keychain.KeyDescriptor, error) {
func (s *SecretKeyRing) DeriveNextKey(
_ keychain.KeyFamily) (keychain.KeyDescriptor, error) {
return keychain.KeyDescriptor{
PubKey: s.RootKey.PubKey(),
@@ -21,28 +21,30 @@ func (s *SecretKeyRing) DeriveNextKey(keyFam keychain.KeyFamily) (
}
// DeriveKey currently returns dummy values.
func (s *SecretKeyRing) DeriveKey(keyLoc keychain.KeyLocator) (keychain.KeyDescriptor,
error) {
func (s *SecretKeyRing) DeriveKey(
_ keychain.KeyLocator) (keychain.KeyDescriptor, error) {
return keychain.KeyDescriptor{
PubKey: s.RootKey.PubKey(),
}, nil
}
// DerivePrivKey currently returns dummy values.
func (s *SecretKeyRing) DerivePrivKey(keyDesc keychain.KeyDescriptor) (*btcec.PrivateKey,
error) {
func (s *SecretKeyRing) DerivePrivKey(
_ keychain.KeyDescriptor) (*btcec.PrivateKey, error) {
return s.RootKey, nil
}
// ECDH currently returns dummy values.
func (s *SecretKeyRing) ECDH(_ keychain.KeyDescriptor, pubKey *btcec.PublicKey) ([32]byte,
error) {
func (s *SecretKeyRing) ECDH(_ keychain.KeyDescriptor,
_ *btcec.PublicKey) ([32]byte, error) {
return [32]byte{}, nil
}
// SignMessage signs the passed message and ignores the KeyDescriptor.
func (s *SecretKeyRing) SignMessage(_ keychain.KeyDescriptor,
func (s *SecretKeyRing) SignMessage(_ keychain.KeyLocator,
msg []byte, doubleHash bool) (*btcec.Signature, error) {
var digest []byte
@@ -55,7 +57,7 @@ func (s *SecretKeyRing) SignMessage(_ keychain.KeyDescriptor,
}
// SignMessageCompact signs the passed message.
func (s *SecretKeyRing) SignMessageCompact(_ keychain.KeyDescriptor,
func (s *SecretKeyRing) SignMessageCompact(_ keychain.KeyLocator,
msg []byte, doubleHash bool) ([]byte, error) {
var digest []byte