13035292482

Committed 29 Jan 2025 03:59PM UTC coverage: 49.3% (-9.5%) from 58.777%

Build # 13035292482

Build Type

Pull #9456

github

Committed by

mohamedawnallah

Commit Message

docs: update release-notes-0.19.0.md

In this commit, we warn users about the removal
of RPCs `SendToRoute`, `SendToRouteSync`, `SendPayment`,
and `SendPaymentSync` in the next release 0.20.

Pull Request Pull Request #9456: lnrpc+docs: deprecate warning `SendToRoute`, `SendToRouteSync`, `SendPayment`, and `SendPaymentSync` in Release 0.19

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0.0

/lntest/mock/signer.go

package mock

import (
        "crypto/sha256"
        "fmt"

        "github.com/btcsuite/btcd/btcec/v2"
        "github.com/btcsuite/btcd/btcec/v2/ecdsa"
        "github.com/btcsuite/btcd/btcec/v2/schnorr"
        "github.com/btcsuite/btcd/btcec/v2/schnorr/musig2"
        "github.com/btcsuite/btcd/chaincfg/chainhash"
        "github.com/btcsuite/btcd/txscript"
        "github.com/btcsuite/btcd/wire"
        "github.com/lightningnetwork/lnd/input"
        "github.com/lightningnetwork/lnd/keychain"
)

var (
        idKeyLoc = keychain.KeyLocator{Family: keychain.KeyFamilyNodeKey}
)

// DummySignature is a dummy Signature implementation.
type DummySignature struct{}

// Serialize returns an empty byte slice.
func (d *DummySignature) Serialize() []byte {
        return []byte{}
}

// Verify always returns true.
func (d *DummySignature) Verify(_ []byte, _ *btcec.PublicKey) bool {
        return true
}

// DummySigner is an implementation of the Signer interface that returns
// dummy values when called.
type DummySigner struct{}

// SignOutputRaw returns a dummy signature.
func (d *DummySigner) SignOutputRaw(tx *wire.MsgTx,
        signDesc *input.SignDescriptor) (input.Signature, error) {

        return &DummySignature{}, nil
}

// ComputeInputScript returns nil for both values.
func (d *DummySigner) ComputeInputScript(tx *wire.MsgTx,
        signDesc *input.SignDescriptor) (*input.Script, error) {

        return &input.Script{}, 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 (d *DummySigner) MuSig2CreateSession(input.MuSig2Version,
        keychain.KeyLocator, []*btcec.PublicKey, *input.MuSig2Tweaks,
        [][musig2.PubNonceSize]byte, *musig2.Nonces,
) (*input.MuSig2SessionInfo, error) {

        return nil, 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 (d *DummySigner) MuSig2RegisterNonces(input.MuSig2SessionID,
        [][musig2.PubNonceSize]byte) (bool, error) {

        return false, 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 (d *DummySigner) MuSig2Sign(input.MuSig2SessionID,
        [sha256.Size]byte, bool) (*musig2.PartialSignature, 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 (d *DummySigner) MuSig2CombineSig(input.MuSig2SessionID,
        []*musig2.PartialSignature) (*schnorr.Signature, bool, error) {

        return nil, false, nil
}

// MuSig2Cleanup removes a session from memory to free up resources.
func (d *DummySigner) MuSig2Cleanup(input.MuSig2SessionID) error {
        return nil
}

// SingleSigner is an implementation of the Signer interface that signs
// everything with a single private key.
type SingleSigner struct {
        Privkey *btcec.PrivateKey
        KeyLoc  keychain.KeyLocator

        *input.MusigSessionManager
}

func NewSingleSigner(privkey *btcec.PrivateKey) *SingleSigner {
        signer := &SingleSigner{
                Privkey: privkey,
                KeyLoc:  idKeyLoc,
        }

        keyFetcher := func(*keychain.KeyDescriptor) (*btcec.PrivateKey, error) {
                return signer.Privkey, nil
        }
        signer.MusigSessionManager = input.NewMusigSessionManager(keyFetcher)

        return signer
}

// SignOutputRaw generates a signature for the passed transaction using the
// stored private key.
func (s *SingleSigner) SignOutputRaw(tx *wire.MsgTx,
        signDesc *input.SignDescriptor) (input.Signature, error) {

        amt := signDesc.Output.Value
        witnessScript := signDesc.WitnessScript
        privKey := s.Privkey

        if !privKey.PubKey().IsEqual(signDesc.KeyDesc.PubKey) {
                return nil, fmt.Errorf("incorrect key passed")
        }

        switch {
        case signDesc.SingleTweak != nil:
                privKey = input.TweakPrivKey(privKey,
                        signDesc.SingleTweak)
        case signDesc.DoubleTweak != nil:
                privKey = input.DeriveRevocationPrivKey(privKey,
                        signDesc.DoubleTweak)
        }

        sig, err := txscript.RawTxInWitnessSignature(tx, signDesc.SigHashes,
                signDesc.InputIndex, amt, witnessScript, signDesc.HashType,
                privKey)
        if err != nil {
                return nil, err
        }

        return ecdsa.ParseDERSignature(sig[:len(sig)-1])
}

// ComputeInputScript computes an input script with the stored private key
// given a transaction and a SignDescriptor.
func (s *SingleSigner) ComputeInputScript(tx *wire.MsgTx,
        signDesc *input.SignDescriptor) (*input.Script, error) {

        privKey := s.Privkey

        switch {
        case signDesc.SingleTweak != nil:
                privKey = input.TweakPrivKey(privKey,
                        signDesc.SingleTweak)
        case signDesc.DoubleTweak != nil:
                privKey = input.DeriveRevocationPrivKey(privKey,
                        signDesc.DoubleTweak)
        }

        witnessScript, err := txscript.WitnessSignature(tx, signDesc.SigHashes,
                signDesc.InputIndex, signDesc.Output.Value, signDesc.Output.PkScript,
                signDesc.HashType, privKey, true)
        if err != nil {
                return nil, err
        }

        return &input.Script{
                Witness: witnessScript,
        }, nil
}

// SignMessage takes a public key and a message and only signs the message
// with the stored private key if the public key matches the private key.
func (s *SingleSigner) SignMessage(keyLoc keychain.KeyLocator,
        msg []byte, doubleHash bool) (*ecdsa.Signature, error) {

        mockKeyLoc := s.KeyLoc
        if s.KeyLoc.IsEmpty() {
                mockKeyLoc = idKeyLoc
        }

        if keyLoc != mockKeyLoc {
                return nil, fmt.Errorf("unknown public key")
        }

        var digest []byte
        if doubleHash {
                digest = chainhash.DoubleHashB(msg)
        } else {
                digest = chainhash.HashB(msg)
        }
        return ecdsa.Sign(s.Privkey, digest), nil
}

1	package mock
2
3	import (
4	"crypto/sha256"
5	"fmt"
6
7	"github.com/btcsuite/btcd/btcec/v2"
8	"github.com/btcsuite/btcd/btcec/v2/ecdsa"
9	"github.com/btcsuite/btcd/btcec/v2/schnorr"
10	"github.com/btcsuite/btcd/btcec/v2/schnorr/musig2"
11	"github.com/btcsuite/btcd/chaincfg/chainhash"
12	"github.com/btcsuite/btcd/txscript"
13	"github.com/btcsuite/btcd/wire"
14	"github.com/lightningnetwork/lnd/input"
15	"github.com/lightningnetwork/lnd/keychain"
16	)
17
18	var (
19	idKeyLoc = keychain.KeyLocator{Family: keychain.KeyFamilyNodeKey}
20	)
21
22	// DummySignature is a dummy Signature implementation.
23	type DummySignature struct{}
24
25	// Serialize returns an empty byte slice.
26	func (d *DummySignature) Serialize() []byte {	×
27	return []byte{}	×
28	}	×
29
30	// Verify always returns true.
31	func (d DummySignature) Verify(_ []byte, _ btcec.PublicKey) bool {	×
32	return true	×
33	}	×
34
35	// DummySigner is an implementation of the Signer interface that returns
36	// dummy values when called.
37	type DummySigner struct{}
38
39	// SignOutputRaw returns a dummy signature.
40	func (d DummySigner) SignOutputRaw(tx wire.MsgTx,
41	signDesc *input.SignDescriptor) (input.Signature, error) {	×
42		×
43	return &DummySignature{}, nil	×
44	}	×
45
46	// ComputeInputScript returns nil for both values.
47	func (d DummySigner) ComputeInputScript(tx wire.MsgTx,
48	signDesc input.SignDescriptor) (input.Script, error) {	×
49		×
50	return &input.Script{}, nil	×
51	}	×
52
53	// MuSig2CreateSession creates a new MuSig2 signing session using the local
54	// key identified by the key locator. The complete list of all public keys of
55	// all signing parties must be provided, including the public key of the local
56	// signing key. If nonces of other parties are already known, they can be
57	// submitted as well to reduce the number of method calls necessary later on.
58	func (d *DummySigner) MuSig2CreateSession(input.MuSig2Version,
59	keychain.KeyLocator, []btcec.PublicKey, input.MuSig2Tweaks,
60	[][musig2.PubNonceSize]byte, *musig2.Nonces,
61	) (*input.MuSig2SessionInfo, error) {	×
62		×
63	return nil, nil	×
64	}	×
65
66	// MuSig2RegisterNonces registers one or more public nonces of other signing
67	// participants for a session identified by its ID. This method returns true
68	// once we have all nonces for all other signing participants.
69	func (d *DummySigner) MuSig2RegisterNonces(input.MuSig2SessionID,
70	[][musig2.PubNonceSize]byte) (bool, error) {	×
71		×
72	return false, nil	×
73	}	×
74
75	// MuSig2Sign creates a partial signature using the local signing key
76	// that was specified when the session was created. This can only be
77	// called when all public nonces of all participants are known and have
78	// been registered with the session. If this node isn't responsible for
79	// combining all the partial signatures, then the cleanup parameter
80	// should be set, indicating that the session can be removed from memory
81	// once the signature was produced.
82	func (d *DummySigner) MuSig2Sign(input.MuSig2SessionID,
83	[sha256.Size]byte, bool) (*musig2.PartialSignature, error) {	×
84		×
85	return nil, nil	×
86	}	×
87
88	// MuSig2CombineSig combines the given partial signature(s) with the
89	// local one, if it already exists. Once a partial signature of all
90	// participants is registered, the final signature will be combined and
91	// returned.
92	func (d *DummySigner) MuSig2CombineSig(input.MuSig2SessionID,
93	[]musig2.PartialSignature) (schnorr.Signature, bool, error) {	×
94		×
95	return nil, false, nil	×
96	}	×
97
98	// MuSig2Cleanup removes a session from memory to free up resources.
99	func (d *DummySigner) MuSig2Cleanup(input.MuSig2SessionID) error {	×
100	return nil	×
101	}	×
102
103	// SingleSigner is an implementation of the Signer interface that signs
104	// everything with a single private key.
105	type SingleSigner struct {
106	Privkey *btcec.PrivateKey
107	KeyLoc keychain.KeyLocator
108
109	*input.MusigSessionManager
110	}
111
112	func NewSingleSigner(privkey btcec.PrivateKey) SingleSigner {	×
113	signer := &SingleSigner{	×
114	Privkey: privkey,	×
115	KeyLoc: idKeyLoc,	×
116	}	×
117		×
118	keyFetcher := func(keychain.KeyDescriptor) (btcec.PrivateKey, error) {	×
119	return signer.Privkey, nil	×
120	}	×
121	signer.MusigSessionManager = input.NewMusigSessionManager(keyFetcher)	×
122		×
123	return signer	×
124	}
125
126	// SignOutputRaw generates a signature for the passed transaction using the
127	// stored private key.
128	func (s SingleSigner) SignOutputRaw(tx wire.MsgTx,
129	signDesc *input.SignDescriptor) (input.Signature, error) {	×
130		×
131	amt := signDesc.Output.Value	×
132	witnessScript := signDesc.WitnessScript	×
133	privKey := s.Privkey	×
134		×
135	if !privKey.PubKey().IsEqual(signDesc.KeyDesc.PubKey) {	×
136	return nil, fmt.Errorf("incorrect key passed")	×
137	}	×
138
139	switch {	×
140	case signDesc.SingleTweak != nil:	×
141	privKey = input.TweakPrivKey(privKey,	×
142	signDesc.SingleTweak)	×
143	case signDesc.DoubleTweak != nil:	×
144	privKey = input.DeriveRevocationPrivKey(privKey,	×
145	signDesc.DoubleTweak)	×
146	}
147
148	sig, err := txscript.RawTxInWitnessSignature(tx, signDesc.SigHashes,	×
149	signDesc.InputIndex, amt, witnessScript, signDesc.HashType,	×
150	privKey)	×
151	if err != nil {	×
152	return nil, err	×
153	}	×
154
155	return ecdsa.ParseDERSignature(sig[:len(sig)-1])	×
156	}
157
158	// ComputeInputScript computes an input script with the stored private key
159	// given a transaction and a SignDescriptor.
160	func (s SingleSigner) ComputeInputScript(tx wire.MsgTx,
161	signDesc input.SignDescriptor) (input.Script, error) {	×
162		×
163	privKey := s.Privkey	×
164		×
165	switch {	×
166	case signDesc.SingleTweak != nil:	×
167	privKey = input.TweakPrivKey(privKey,	×
168	signDesc.SingleTweak)	×
169	case signDesc.DoubleTweak != nil:	×
170	privKey = input.DeriveRevocationPrivKey(privKey,	×
171	signDesc.DoubleTweak)	×
172	}
173
174	witnessScript, err := txscript.WitnessSignature(tx, signDesc.SigHashes,	×
175	signDesc.InputIndex, signDesc.Output.Value, signDesc.Output.PkScript,	×
176	signDesc.HashType, privKey, true)	×
177	if err != nil {	×
178	return nil, err	×
179	}	×
180
181	return &input.Script{	×
182	Witness: witnessScript,	×
183	}, nil	×
184	}
185
186	// SignMessage takes a public key and a message and only signs the message
187	// with the stored private key if the public key matches the private key.
188	func (s *SingleSigner) SignMessage(keyLoc keychain.KeyLocator,
189	msg []byte, doubleHash bool) (*ecdsa.Signature, error) {	×
190		×
191	mockKeyLoc := s.KeyLoc	×
192	if s.KeyLoc.IsEmpty() {	×
193	mockKeyLoc = idKeyLoc	×
194	}	×
195
196	if keyLoc != mockKeyLoc {	×
197	return nil, fmt.Errorf("unknown public key")	×
198	}	×
199
200	var digest []byte	×
201	if doubleHash {	×
202	digest = chainhash.DoubleHashB(msg)	×
203	} else {	×
204	digest = chainhash.HashB(msg)	×
205	}	×
206	return ecdsa.Sign(s.Privkey, digest), nil	×
207	}

lightningnetwork / lnd / 13035292482

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