17101605539

Committed 20 Aug 2025 02:35PM UTC coverage: 57.321% (-9.4%) from 66.68%

Build # 17101605539

Build Type

push

github

Committed by

web-flow

Commit Message

Merge pull request #10102 from yyforyongyu/fix-UpdatesInHorizon

Catch bad gossip peer and fix `UpdatesInHorizon`

Run Details

28 of 89 new or added lines in 4 files covered. (31.46%)

29163 existing lines in 459 files now uncovered.

99187 of 173038 relevant lines covered (57.32%)

1.78 hits per line

Source File
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56.52

/channeldb/codec.go

package channeldb

import (
        "bytes"
        "encoding/binary"
        "fmt"
        "io"
        "net"
        "time"

        "github.com/btcsuite/btcd/btcec/v2"
        "github.com/btcsuite/btcd/btcutil"
        "github.com/btcsuite/btcd/chaincfg/chainhash"
        "github.com/btcsuite/btcd/wire"
        graphdb "github.com/lightningnetwork/lnd/graph/db"
        "github.com/lightningnetwork/lnd/keychain"
        "github.com/lightningnetwork/lnd/lnwire"
        "github.com/lightningnetwork/lnd/shachain"
        "github.com/lightningnetwork/lnd/tlv"
)

// UnknownElementType is an error returned when the codec is unable to encode or
// decode a particular type.
type UnknownElementType struct {
        method  string
        element interface{}
}

// NewUnknownElementType creates a new UnknownElementType error from the passed
// method name and element.
func NewUnknownElementType(method string, el interface{}) UnknownElementType {
        return UnknownElementType{method: method, element: el}
}

// Error returns the name of the method that encountered the error, as well as
// the type that was unsupported.
func (e UnknownElementType) Error() string {
        return fmt.Sprintf("Unknown type in %s: %T", e.method, e.element)
}

// WriteElement is a one-stop shop to write the big endian representation of
// any element which is to be serialized for storage on disk. The passed
// io.Writer should be backed by an appropriately sized byte slice, or be able
// to dynamically expand to accommodate additional data.
func WriteElement(w io.Writer, element interface{}) error {
        switch e := element.(type) {
        case keychain.KeyDescriptor:
                if err := binary.Write(w, byteOrder, e.Family); err != nil {
                        return err
                }
                if err := binary.Write(w, byteOrder, e.Index); err != nil {
                        return err
                }

                if e.PubKey != nil {
                        if err := binary.Write(w, byteOrder, true); err != nil {
                                return fmt.Errorf("error writing serialized "+
                                        "element: %w", err)
                        }

                        return WriteElement(w, e.PubKey)
                }

                return binary.Write(w, byteOrder, false)
        case ChannelType:
                var buf [8]byte
                if err := tlv.WriteVarInt(w, uint64(e), &buf); err != nil {
                        return err
                }

        case chainhash.Hash:
                if _, err := w.Write(e[:]); err != nil {
                        return err
                }

        case wire.OutPoint:
                return graphdb.WriteOutpoint(w, &e)

        case lnwire.ShortChannelID:
                if err := binary.Write(w, byteOrder, e.ToUint64()); err != nil {
                        return err
                }

        case lnwire.ChannelID:
                if _, err := w.Write(e[:]); err != nil {
                        return err
                }

        case int64, uint64:
                if err := binary.Write(w, byteOrder, e); err != nil {
                        return err
                }

        case uint32:
                if err := binary.Write(w, byteOrder, e); err != nil {
                        return err
                }

        case int32:
                if err := binary.Write(w, byteOrder, e); err != nil {
                        return err
                }

        case uint16:
                if err := binary.Write(w, byteOrder, e); err != nil {
                        return err
                }

        case uint8:
                if err := binary.Write(w, byteOrder, e); err != nil {
                        return err
                }

        case bool:
                if err := binary.Write(w, byteOrder, e); err != nil {
                        return err
                }

        case btcutil.Amount:
                if err := binary.Write(w, byteOrder, uint64(e)); err != nil {
                        return err
                }

        case lnwire.MilliSatoshi:
                if err := binary.Write(w, byteOrder, uint64(e)); err != nil {
                        return err
                }

        case *btcec.PrivateKey:
                b := e.Serialize()
                if _, err := w.Write(b); err != nil {
                        return err
                }

        case *btcec.PublicKey:
                b := e.SerializeCompressed()
                if _, err := w.Write(b); err != nil {
                        return err
                }

        case shachain.Producer:
                return e.Encode(w)

        case shachain.Store:
                return e.Encode(w)

        case *wire.MsgTx:
                return e.Serialize(w)

        case [32]byte:
                if _, err := w.Write(e[:]); err != nil {
                        return err
                }

        case []byte:
                if err := wire.WriteVarBytes(w, 0, e); err != nil {
                        return err
                }

        case lnwire.Message:
                var msgBuf bytes.Buffer
                if _, err := lnwire.WriteMessage(&msgBuf, e, 0); err != nil {
                        return err
                }

                msgLen := uint16(len(msgBuf.Bytes()))
                if err := WriteElements(w, msgLen); err != nil {
                        return err
                }

                if _, err := w.Write(msgBuf.Bytes()); err != nil {
                        return err
                }

        case ChannelStatus:
                var buf [8]byte
                if err := tlv.WriteVarInt(w, uint64(e), &buf); err != nil {
                        return err
                }

        case ClosureType:
                if err := binary.Write(w, byteOrder, e); err != nil {
                        return err
                }

        case lnwire.FundingFlag:
                if err := binary.Write(w, byteOrder, e); err != nil {
                        return err
                }

        case net.Addr:
                if err := graphdb.SerializeAddr(w, e); err != nil {
                        return err
                }

        case []net.Addr:
                if err := WriteElement(w, uint32(len(e))); err != nil {
                        return err
                }

                for _, addr := range e {
                        if err := graphdb.SerializeAddr(w, addr); err != nil {
                                return err
                        }
                }

        default:
                return UnknownElementType{"WriteElement", e}
        }

        return nil
}

// WriteElements is writes each element in the elements slice to the passed
// io.Writer using WriteElement.
func WriteElements(w io.Writer, elements ...interface{}) error {
        for _, element := range elements {
                err := WriteElement(w, element)
                if err != nil {
                        return err
                }
        }
        return nil
}

// ReadElement is a one-stop utility function to deserialize any datastructure
// encoded using the serialization format of the database.
func ReadElement(r io.Reader, element interface{}) error {
        switch e := element.(type) {
        case *keychain.KeyDescriptor:
                if err := binary.Read(r, byteOrder, &e.Family); err != nil {
                        return err
                }
                if err := binary.Read(r, byteOrder, &e.Index); err != nil {
                        return err
                }

                var hasPubKey bool
                if err := binary.Read(r, byteOrder, &hasPubKey); err != nil {
                        return err
                }

                if hasPubKey {
                        return ReadElement(r, &e.PubKey)
                }

        case *ChannelType:
                var buf [8]byte
                ctype, err := tlv.ReadVarInt(r, &buf)
                if err != nil {
                        return err
                }

                *e = ChannelType(ctype)

        case *chainhash.Hash:
                if _, err := io.ReadFull(r, e[:]); err != nil {
                        return err
                }

        case *wire.OutPoint:
                return graphdb.ReadOutpoint(r, e)

        case *lnwire.ShortChannelID:
                var a uint64
                if err := binary.Read(r, byteOrder, &a); err != nil {
                        return err
                }
                *e = lnwire.NewShortChanIDFromInt(a)

        case *lnwire.ChannelID:
                if _, err := io.ReadFull(r, e[:]); err != nil {
                        return err
                }

        case *int64, *uint64:
                if err := binary.Read(r, byteOrder, e); err != nil {
                        return err
                }

        case *uint32:
                if err := binary.Read(r, byteOrder, e); err != nil {
                        return err
                }

        case *int32:
                if err := binary.Read(r, byteOrder, e); err != nil {
                        return err
                }

        case *uint16:
                if err := binary.Read(r, byteOrder, e); err != nil {
                        return err
                }

        case *uint8:
                if err := binary.Read(r, byteOrder, e); err != nil {
                        return err
                }

        case *bool:
                if err := binary.Read(r, byteOrder, e); err != nil {
                        return err
                }

        case *btcutil.Amount:
                var a uint64
                if err := binary.Read(r, byteOrder, &a); err != nil {
                        return err
                }

                *e = btcutil.Amount(a)

        case *lnwire.MilliSatoshi:
                var a uint64
                if err := binary.Read(r, byteOrder, &a); err != nil {
                        return err
                }

                *e = lnwire.MilliSatoshi(a)

        case **btcec.PrivateKey:
                var b [btcec.PrivKeyBytesLen]byte
                if _, err := io.ReadFull(r, b[:]); err != nil {
                        return err
                }

                priv, _ := btcec.PrivKeyFromBytes(b[:])
                *e = priv

        case **btcec.PublicKey:
                var b [btcec.PubKeyBytesLenCompressed]byte
                if _, err := io.ReadFull(r, b[:]); err != nil {
                        return err
                }

                pubKey, err := btcec.ParsePubKey(b[:])
                if err != nil {
                        return err
                }
                *e = pubKey

        case *shachain.Producer:
                var root [32]byte
                if _, err := io.ReadFull(r, root[:]); err != nil {
                        return err
                }

                // TODO(roasbeef): remove
                producer, err := shachain.NewRevocationProducerFromBytes(root[:])
                if err != nil {
                        return err
                }

                *e = producer

        case *shachain.Store:
                store, err := shachain.NewRevocationStoreFromBytes(r)
                if err != nil {
                        return err
                }

                *e = store

        case **wire.MsgTx:
                tx := wire.NewMsgTx(2)
                if err := tx.Deserialize(r); err != nil {
                        return err
                }

                *e = tx

        case *[32]byte:
                if _, err := io.ReadFull(r, e[:]); err != nil {
                        return err
                }

        case *[]byte:
                bytes, err := wire.ReadVarBytes(r, 0, 66000, "[]byte")
                if err != nil {
                        return err
                }

                *e = bytes

        case *lnwire.Message:
                var msgLen uint16
                if err := ReadElement(r, &msgLen); err != nil {
                        return err
                }

                msgReader := io.LimitReader(r, int64(msgLen))
                msg, err := lnwire.ReadMessage(msgReader, 0)
                if err != nil {
                        return err
                }

                *e = msg

        case *ChannelStatus:
                var buf [8]byte
                status, err := tlv.ReadVarInt(r, &buf)
                if err != nil {
                        return err
                }

                *e = ChannelStatus(status)

        case *ClosureType:
                if err := binary.Read(r, byteOrder, e); err != nil {
                        return err
                }

        case *lnwire.FundingFlag:
                if err := binary.Read(r, byteOrder, e); err != nil {
                        return err
                }

        case *net.Addr:
                addr, err := graphdb.DeserializeAddr(r)
                if err != nil {
                        return err
                }
                *e = addr

        case *[]net.Addr:
                var numAddrs uint32
                if err := ReadElement(r, &numAddrs); err != nil {
                        return err
                }

                *e = make([]net.Addr, numAddrs)
                for i := uint32(0); i < numAddrs; i++ {
                        addr, err := graphdb.DeserializeAddr(r)
                        if err != nil {
                                return err
                        }
                        (*e)[i] = addr
                }

        default:
                return UnknownElementType{"ReadElement", e}
        }

        return nil
}

// ReadElements deserializes a variable number of elements into the passed
// io.Reader, with each element being deserialized according to the ReadElement
// function.
func ReadElements(r io.Reader, elements ...interface{}) error {
        for _, element := range elements {
                err := ReadElement(r, element)
                if err != nil {
                        return err
                }
        }
        return nil
}

// deserializeTime deserializes time as unix nanoseconds.
func deserializeTime(r io.Reader) (time.Time, error) {
        var scratch [8]byte
        if _, err := io.ReadFull(r, scratch[:]); err != nil {
                return time.Time{}, err
        }

        // Convert to time.Time. Interpret unix nano time zero as a zero
        // time.Time value.
        unixNano := byteOrder.Uint64(scratch[:])
        if unixNano == 0 {
                return time.Time{}, nil
        }

        return time.Unix(0, int64(unixNano)), nil
}

// serializeTime serializes time as unix nanoseconds.
func serializeTime(w io.Writer, t time.Time) error {
        var scratch [8]byte

        // Convert to unix nano seconds, but only if time is non-zero. Calling
        // UnixNano() on a zero time yields an undefined result.
        var unixNano int64
        if !t.IsZero() {
                unixNano = t.UnixNano()
        }

        byteOrder.PutUint64(scratch[:], uint64(unixNano))
        _, err := w.Write(scratch[:])

        return err
}

1	package channeldb
2
3	import (
4	"bytes"
5	"encoding/binary"
6	"fmt"
7	"io"
8	"net"
9	"time"
10
11	"github.com/btcsuite/btcd/btcec/v2"
12	"github.com/btcsuite/btcd/btcutil"
13	"github.com/btcsuite/btcd/chaincfg/chainhash"
14	"github.com/btcsuite/btcd/wire"
15	graphdb "github.com/lightningnetwork/lnd/graph/db"
16	"github.com/lightningnetwork/lnd/keychain"
17	"github.com/lightningnetwork/lnd/lnwire"
18	"github.com/lightningnetwork/lnd/shachain"
19	"github.com/lightningnetwork/lnd/tlv"
20	)
21
22	// UnknownElementType is an error returned when the codec is unable to encode or
23	// decode a particular type.
24	type UnknownElementType struct {
25	method string
26	element interface{}
27	}
28
29	// NewUnknownElementType creates a new UnknownElementType error from the passed
30	// method name and element.
31	func NewUnknownElementType(method string, el interface{}) UnknownElementType {	×
32	return UnknownElementType{method: method, element: el}	×
33	}	×
34
35	// Error returns the name of the method that encountered the error, as well as
36	// the type that was unsupported.
37	func (e UnknownElementType) Error() string {	×
38	return fmt.Sprintf("Unknown type in %s: %T", e.method, e.element)	×
39	}	×
40
41	// WriteElement is a one-stop shop to write the big endian representation of
42	// any element which is to be serialized for storage on disk. The passed
43	// io.Writer should be backed by an appropriately sized byte slice, or be able
44	// to dynamically expand to accommodate additional data.
45	func WriteElement(w io.Writer, element interface{}) error {	3✔
46	switch e := element.(type) {	3✔
47	case keychain.KeyDescriptor:	3✔
48	if err := binary.Write(w, byteOrder, e.Family); err != nil {	3✔
49	return err	×
50	}	×
51	if err := binary.Write(w, byteOrder, e.Index); err != nil {	3✔
52	return err	×
53	}	×
54
55	if e.PubKey != nil {	6✔
56	if err := binary.Write(w, byteOrder, true); err != nil {	3✔
57	return fmt.Errorf("error writing serialized "+	×
58	"element: %w", err)	×
59	}	×
60
61	return WriteElement(w, e.PubKey)	3✔
62	}
63
UNCOV 64	return binary.Write(w, byteOrder, false)	×
65	case ChannelType:	3✔
66	var buf [8]byte	3✔
67	if err := tlv.WriteVarInt(w, uint64(e), &buf); err != nil {	3✔
68	return err	×
69	}	×
70
71	case chainhash.Hash:	3✔
72	if _, err := w.Write(e[:]); err != nil {	3✔
73	return err	×
74	}	×
75
76	case wire.OutPoint:	3✔
77	return graphdb.WriteOutpoint(w, &e)	3✔
78
79	case lnwire.ShortChannelID:	3✔
80	if err := binary.Write(w, byteOrder, e.ToUint64()); err != nil {	3✔
81	return err	×
82	}	×
83
84	case lnwire.ChannelID:	3✔
85	if _, err := w.Write(e[:]); err != nil {	3✔
86	return err	×
87	}	×
88
89	case int64, uint64:	3✔
90	if err := binary.Write(w, byteOrder, e); err != nil {	3✔
91	return err	×
92	}	×
93
94	case uint32:	3✔
95	if err := binary.Write(w, byteOrder, e); err != nil {	3✔
96	return err	×
97	}	×
98
99	case int32:	3✔
100	if err := binary.Write(w, byteOrder, e); err != nil {	3✔
101	return err	×
102	}	×
103
104	case uint16:	3✔
105	if err := binary.Write(w, byteOrder, e); err != nil {	3✔
106	return err	×
107	}	×
108
109	case uint8:	3✔
110	if err := binary.Write(w, byteOrder, e); err != nil {	3✔
111	return err	×
112	}	×
113
114	case bool:	3✔
115	if err := binary.Write(w, byteOrder, e); err != nil {	3✔
116	return err	×
117	}	×
118
119	case btcutil.Amount:	3✔
120	if err := binary.Write(w, byteOrder, uint64(e)); err != nil {	3✔
121	return err	×
122	}	×
123
124	case lnwire.MilliSatoshi:	3✔
125	if err := binary.Write(w, byteOrder, uint64(e)); err != nil {	3✔
126	return err	×
127	}	×
128
UNCOV 129	case *btcec.PrivateKey:	×
UNCOV 130	b := e.Serialize()	×
UNCOV 131	if _, err := w.Write(b); err != nil {	×
132	return err	×
133	}	×
134
135	case *btcec.PublicKey:	3✔
136	b := e.SerializeCompressed()	3✔
137	if _, err := w.Write(b); err != nil {	3✔
138	return err	×
139	}	×
140
141	case shachain.Producer:	3✔
142	return e.Encode(w)	3✔
143
144	case shachain.Store:	3✔
145	return e.Encode(w)	3✔
146
147	case *wire.MsgTx:	3✔
148	return e.Serialize(w)	3✔
149
150	case [32]byte:	3✔
151	if _, err := w.Write(e[:]); err != nil {	3✔
152	return err	×
153	}	×
154
155	case []byte:	3✔
156	if err := wire.WriteVarBytes(w, 0, e); err != nil {	3✔
157	return err	×
158	}	×
159
160	case lnwire.Message:	3✔
161	var msgBuf bytes.Buffer	3✔
162	if _, err := lnwire.WriteMessage(&msgBuf, e, 0); err != nil {	3✔
163	return err	×
164	}	×
165
166	msgLen := uint16(len(msgBuf.Bytes()))	3✔
167	if err := WriteElements(w, msgLen); err != nil {	3✔
168	return err	×
169	}	×
170
171	if _, err := w.Write(msgBuf.Bytes()); err != nil {	3✔
172	return err	×
173	}	×
174
175	case ChannelStatus:	3✔
176	var buf [8]byte	3✔
177	if err := tlv.WriteVarInt(w, uint64(e), &buf); err != nil {	3✔
178	return err	×
179	}	×
180
181	case ClosureType:	3✔
182	if err := binary.Write(w, byteOrder, e); err != nil {	3✔
183	return err	×
184	}	×
185
186	case lnwire.FundingFlag:	3✔
187	if err := binary.Write(w, byteOrder, e); err != nil {	3✔
188	return err	×
189	}	×
190
191	case net.Addr:	×
192	if err := graphdb.SerializeAddr(w, e); err != nil {	×
193	return err	×
194	}	×
195
196	case []net.Addr:	3✔
197	if err := WriteElement(w, uint32(len(e))); err != nil {	3✔
198	return err	×
199	}	×
200
201	for _, addr := range e {	6✔
202	if err := graphdb.SerializeAddr(w, addr); err != nil {	3✔
203	return err	×
204	}	×
205	}
206
207	default:	3✔
208	return UnknownElementType{"WriteElement", e}	3✔
209	}
210
211	return nil	3✔
212	}
213
214	// WriteElements is writes each element in the elements slice to the passed
215	// io.Writer using WriteElement.
216	func WriteElements(w io.Writer, elements ...interface{}) error {	3✔
217	for _, element := range elements {	6✔
218	err := WriteElement(w, element)	3✔
219	if err != nil {	3✔
220	return err	×
221	}	×
222	}
223	return nil	3✔
224	}
225
226	// ReadElement is a one-stop utility function to deserialize any datastructure
227	// encoded using the serialization format of the database.
228	func ReadElement(r io.Reader, element interface{}) error {	3✔
229	switch e := element.(type) {	3✔
230	case *keychain.KeyDescriptor:	3✔
231	if err := binary.Read(r, byteOrder, &e.Family); err != nil {	3✔
232	return err	×
233	}	×
234	if err := binary.Read(r, byteOrder, &e.Index); err != nil {	3✔
235	return err	×
236	}	×
237
238	var hasPubKey bool	3✔
239	if err := binary.Read(r, byteOrder, &hasPubKey); err != nil {	3✔
240	return err	×
241	}	×
242
243	if hasPubKey {	6✔
244	return ReadElement(r, &e.PubKey)	3✔
245	}	3✔
246
247	case *ChannelType:	3✔
248	var buf [8]byte	3✔
249	ctype, err := tlv.ReadVarInt(r, &buf)	3✔
250	if err != nil {	3✔
251	return err	×
252	}	×
253
254	*e = ChannelType(ctype)	3✔
255
256	case *chainhash.Hash:	3✔
257	if _, err := io.ReadFull(r, e[:]); err != nil {	3✔
258	return err	×
259	}	×
260
261	case *wire.OutPoint:	3✔
262	return graphdb.ReadOutpoint(r, e)	3✔
263
264	case *lnwire.ShortChannelID:	3✔
265	var a uint64	3✔
266	if err := binary.Read(r, byteOrder, &a); err != nil {	3✔
267	return err	×
268	}	×
269	*e = lnwire.NewShortChanIDFromInt(a)	3✔
270
271	case *lnwire.ChannelID:	3✔
272	if _, err := io.ReadFull(r, e[:]); err != nil {	3✔
273	return err	×
274	}	×
275
276	case int64, uint64:	3✔
277	if err := binary.Read(r, byteOrder, e); err != nil {	3✔
UNCOV 278	return err	×
UNCOV 279	}	×
280
281	case *uint32:	3✔
282	if err := binary.Read(r, byteOrder, e); err != nil {	3✔
283	return err	×
284	}	×
285
286	case *int32:	3✔
287	if err := binary.Read(r, byteOrder, e); err != nil {	3✔
288	return err	×
289	}	×
290
291	case *uint16:	3✔
292	if err := binary.Read(r, byteOrder, e); err != nil {	3✔
293	return err	×
294	}	×
295
296	case *uint8:	3✔
297	if err := binary.Read(r, byteOrder, e); err != nil {	3✔
298	return err	×
299	}	×
300
301	case *bool:	3✔
302	if err := binary.Read(r, byteOrder, e); err != nil {	3✔
303	return err	×
304	}	×
305
306	case *btcutil.Amount:	3✔
307	var a uint64	3✔
308	if err := binary.Read(r, byteOrder, &a); err != nil {	3✔
309	return err	×
310	}	×
311
312	*e = btcutil.Amount(a)	3✔
313
314	case *lnwire.MilliSatoshi:	3✔
315	var a uint64	3✔
316	if err := binary.Read(r, byteOrder, &a); err != nil {	3✔
317	return err	×
318	}	×
319
320	*e = lnwire.MilliSatoshi(a)	3✔
321
322	case **btcec.PrivateKey:	×
323	var b [btcec.PrivKeyBytesLen]byte	×
324	if _, err := io.ReadFull(r, b[:]); err != nil {	×
325	return err	×
326	}	×
327
328	priv, _ := btcec.PrivKeyFromBytes(b[:])	×
329	*e = priv	×
330
331	case **btcec.PublicKey:	3✔
332	var b [btcec.PubKeyBytesLenCompressed]byte	3✔
333	if _, err := io.ReadFull(r, b[:]); err != nil {	3✔
334	return err	×
335	}	×
336
337	pubKey, err := btcec.ParsePubKey(b[:])	3✔
338	if err != nil {	3✔
339	return err	×
340	}	×
341	*e = pubKey	3✔
342
343	case *shachain.Producer:	3✔
344	var root [32]byte	3✔
345	if _, err := io.ReadFull(r, root[:]); err != nil {	3✔
346	return err	×
347	}	×
348
349	// TODO(roasbeef): remove
350	producer, err := shachain.NewRevocationProducerFromBytes(root[:])	3✔
351	if err != nil {	3✔
352	return err	×
353	}	×
354
355	*e = producer	3✔
356
357	case *shachain.Store:	3✔
358	store, err := shachain.NewRevocationStoreFromBytes(r)	3✔
359	if err != nil {	3✔
360	return err	×
361	}	×
362
363	*e = store	3✔
364
365	case **wire.MsgTx:	3✔
366	tx := wire.NewMsgTx(2)	3✔
367	if err := tx.Deserialize(r); err != nil {	3✔
368	return err	×
369	}	×
370
371	*e = tx	3✔
372
373	case *[32]byte:	3✔
374	if _, err := io.ReadFull(r, e[:]); err != nil {	3✔
375	return err	×
376	}	×
377
378	case *[]byte:	3✔
379	bytes, err := wire.ReadVarBytes(r, 0, 66000, "[]byte")	3✔
380	if err != nil {	3✔
381	return err	×
382	}	×
383
384	*e = bytes	3✔
385
386	case *lnwire.Message:	3✔
387	var msgLen uint16	3✔
388	if err := ReadElement(r, &msgLen); err != nil {	3✔
389	return err	×
390	}	×
391
392	msgReader := io.LimitReader(r, int64(msgLen))	3✔
393	msg, err := lnwire.ReadMessage(msgReader, 0)	3✔
394	if err != nil {	3✔
395	return err	×
396	}	×
397
398	*e = msg	3✔
399
400	case *ChannelStatus:	3✔
401	var buf [8]byte	3✔
402	status, err := tlv.ReadVarInt(r, &buf)	3✔
403	if err != nil {	3✔
404	return err	×
405	}	×
406
407	*e = ChannelStatus(status)	3✔
408
409	case *ClosureType:	3✔
410	if err := binary.Read(r, byteOrder, e); err != nil {	3✔
411	return err	×
412	}	×
413
414	case *lnwire.FundingFlag:	3✔
415	if err := binary.Read(r, byteOrder, e); err != nil {	3✔
416	return err	×
417	}	×
418
419	case *net.Addr:	×
420	addr, err := graphdb.DeserializeAddr(r)	×
421	if err != nil {	×
422	return err	×
423	}	×
424	*e = addr	×
425
426	case *[]net.Addr:	3✔
427	var numAddrs uint32	3✔
428	if err := ReadElement(r, &numAddrs); err != nil {	3✔
429	return err	×
430	}	×
431
432	*e = make([]net.Addr, numAddrs)	3✔
433	for i := uint32(0); i < numAddrs; i++ {	6✔
434	addr, err := graphdb.DeserializeAddr(r)	3✔
435	if err != nil {	3✔
436	return err	×
437	}	×
438	(*e)[i] = addr	3✔
439	}
440
441	default:	3✔
442	return UnknownElementType{"ReadElement", e}	3✔
443	}
444
445	return nil	3✔
446	}
447
448	// ReadElements deserializes a variable number of elements into the passed
449	// io.Reader, with each element being deserialized according to the ReadElement
450	// function.
451	func ReadElements(r io.Reader, elements ...interface{}) error {	3✔
452	for _, element := range elements {	6✔
453	err := ReadElement(r, element)	3✔
454	if err != nil {	3✔
UNCOV 455	return err	×
UNCOV 456	}	×
457	}
458	return nil	3✔
459	}
460
461	// deserializeTime deserializes time as unix nanoseconds.
462	func deserializeTime(r io.Reader) (time.Time, error) {	3✔
463	var scratch [8]byte	3✔
464	if _, err := io.ReadFull(r, scratch[:]); err != nil {	3✔
465	return time.Time{}, err	×
466	}	×
467
468	// Convert to time.Time. Interpret unix nano time zero as a zero
469	// time.Time value.
470	unixNano := byteOrder.Uint64(scratch[:])	3✔
471	if unixNano == 0 {	3✔
472	return time.Time{}, nil	×
473	}	×
474
475	return time.Unix(0, int64(unixNano)), nil	3✔
476	}
477
478	// serializeTime serializes time as unix nanoseconds.
479	func serializeTime(w io.Writer, t time.Time) error {	3✔
480	var scratch [8]byte	3✔
481		3✔
482	// Convert to unix nano seconds, but only if time is non-zero. Calling	3✔
483	// UnixNano() on a zero time yields an undefined result.	3✔
484	var unixNano int64	3✔
485	if !t.IsZero() {	6✔
486	unixNano = t.UnixNano()	3✔
487	}	3✔
488
489	byteOrder.PutUint64(scratch[:], uint64(unixNano))	3✔
490	_, err := w.Write(scratch[:])	3✔
491		3✔
492	return err	3✔
493	}

lightningnetwork / lnd / 17101605539

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