mirror of
https://github.com/lightninglabs/loop
synced 2024-11-16 00:12:52 +00:00
a7451622e5
This commit bumps LND and lndclient to make it possible to upgrade taproot HTLC construction with a MuSig2 version. This is required to support both old (MuSig2 0.4) and new (MuSig2 1.0) clients.
128 lines
3.9 KiB
Go
128 lines
3.9 KiB
Go
package test
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"encoding/hex"
|
|
"fmt"
|
|
|
|
"github.com/btcsuite/btcd/btcec/v2"
|
|
"github.com/btcsuite/btcd/btcec/v2/schnorr"
|
|
"github.com/btcsuite/btcd/wire"
|
|
"github.com/lightninglabs/lndclient"
|
|
"github.com/lightningnetwork/lnd/input"
|
|
"github.com/lightningnetwork/lnd/keychain"
|
|
)
|
|
|
|
type mockSigner struct {
|
|
lnd *LndMockServices
|
|
}
|
|
|
|
func (s *mockSigner) SignOutputRaw(ctx context.Context, tx *wire.MsgTx,
|
|
signDescriptors []*lndclient.SignDescriptor,
|
|
_ []*wire.TxOut) ([][]byte, error) {
|
|
|
|
s.lnd.SignOutputRawChannel <- SignOutputRawRequest{
|
|
Tx: tx,
|
|
SignDescriptors: signDescriptors,
|
|
}
|
|
|
|
rawSigs := [][]byte{{1, 2, 3}}
|
|
|
|
return rawSigs, nil
|
|
}
|
|
|
|
func (s *mockSigner) ComputeInputScript(ctx context.Context, tx *wire.MsgTx,
|
|
signDescriptors []*lndclient.SignDescriptor,
|
|
prevOutputs []*wire.TxOut) ([]*input.Script, error) {
|
|
|
|
return nil, fmt.Errorf("unimplemented")
|
|
}
|
|
|
|
func (s *mockSigner) SignMessage(ctx context.Context, msg []byte,
|
|
locator keychain.KeyLocator, opts ...lndclient.SignMessageOption) (
|
|
[]byte, error) {
|
|
|
|
return s.lnd.Signature, nil
|
|
}
|
|
|
|
func (s *mockSigner) VerifyMessage(ctx context.Context, msg, sig []byte,
|
|
pubkey [33]byte, opts ...lndclient.VerifyMessageOption) (bool, error) {
|
|
|
|
// Make the mock somewhat functional by asserting that the message and
|
|
// signature is what we expect from the mock parameters.
|
|
mockAssertion := bytes.Equal(msg, []byte(s.lnd.SignatureMsg)) &&
|
|
bytes.Equal(sig, s.lnd.Signature)
|
|
|
|
return mockAssertion, nil
|
|
}
|
|
|
|
func (s *mockSigner) DeriveSharedKey(context.Context, *btcec.PublicKey,
|
|
*keychain.KeyLocator) ([32]byte, error) {
|
|
|
|
return [32]byte{4, 5, 6}, nil
|
|
}
|
|
|
|
// MuSig2CreateSession creates a new MuSig2 signing session using the local
|
|
// key identified by the key locator. The complete list of all public keys of
|
|
// all signing parties must be provided, including the public key of the local
|
|
// signing key. If nonces of other parties are already known, they can be
|
|
// submitted as well to reduce the number of method calls necessary later on.
|
|
func (s *mockSigner) MuSig2CreateSession(context.Context, input.MuSig2Version,
|
|
*keychain.KeyLocator, [][]byte, ...lndclient.MuSig2SessionOpts) (
|
|
*input.MuSig2SessionInfo, error) {
|
|
|
|
const testPubKey = "F9308A019258C31049344F85F89D5229B531C845836F99B08601F113BCE036F9"
|
|
pubKeyBytes, err := hex.DecodeString(testPubKey)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
combinedKey, err := schnorr.ParsePubKey(pubKeyBytes)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return &input.MuSig2SessionInfo{
|
|
CombinedKey: combinedKey,
|
|
HaveAllNonces: true,
|
|
}, nil
|
|
}
|
|
|
|
// MuSig2RegisterNonces registers one or more public nonces of other signing
|
|
// participants for a session identified by its ID. This method returns true
|
|
// once we have all nonces for all other signing participants.
|
|
func (s *mockSigner) MuSig2RegisterNonces(context.Context, [32]byte,
|
|
[][66]byte) (bool, error) {
|
|
|
|
return true, nil
|
|
}
|
|
|
|
// MuSig2Sign creates a partial signature using the local signing key
|
|
// that was specified when the session was created. This can only be
|
|
// called when all public nonces of all participants are known and have
|
|
// been registered with the session. If this node isn't responsible for
|
|
// combining all the partial signatures, then the cleanup parameter
|
|
// should be set, indicating that the session can be removed from memory
|
|
// once the signature was produced.
|
|
func (s *mockSigner) MuSig2Sign(context.Context, [32]byte, [32]byte,
|
|
bool) ([]byte, error) {
|
|
|
|
return nil, nil
|
|
}
|
|
|
|
// MuSig2CombineSig combines the given partial signature(s) with the
|
|
// local one, if it already exists. Once a partial signature of all
|
|
// participants is registered, the final signature will be combined and
|
|
// returned.
|
|
func (s *mockSigner) MuSig2CombineSig(context.Context, [32]byte,
|
|
[][]byte) (bool, []byte, error) {
|
|
|
|
return true, nil, nil
|
|
}
|
|
|
|
// MuSig2Cleanup removes a session from memory to free up resources.
|
|
func (s *mockSigner) MuSig2Cleanup(context.Context, [32]byte) error {
|
|
return nil
|
|
}
|