13586005509

Committed 28 Feb 2025 10:14AM UTC coverage: 68.629% (+9.9%) from 58.77%

Build # 13586005509

Build Type

Pull #9521

github

Committed by

web-flow

Commit Message

Merge 37d3a70a5 into 8532955b3

Pull Request Pull Request #9521: unit: remove GOACC, use Go 1.20 native coverage functionality

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Source File
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49.2

/channeldb/migration_01_to_11/codec.go

package migration_01_to_11

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

        "github.com/btcsuite/btcd/btcec/v2"
        "github.com/btcsuite/btcd/btcutil"
        "github.com/btcsuite/btcd/chaincfg/chainhash"
        "github.com/btcsuite/btcd/wire"
        lnwire "github.com/lightningnetwork/lnd/channeldb/migration/lnwire21"
        "github.com/lightningnetwork/lnd/keychain"
        "github.com/lightningnetwork/lnd/shachain"
)

// WriteOutpoint writes an outpoint to the passed writer using the minimal
// amount of bytes possible.
func WriteOutpoint(w io.Writer, o *wire.OutPoint) error {
        if _, err := w.Write(o.Hash[:]); err != nil {
                return err
        }
        if err := binary.Write(w, byteOrder, o.Index); err != nil {
                return err
        }

        return nil
}

// ReadOutpoint reads an outpoint from the passed reader that was previously
// written using the writeOutpoint struct.
func ReadOutpoint(r io.Reader, o *wire.OutPoint) error {
        if _, err := io.ReadFull(r, o.Hash[:]); err != nil {
                return err
        }
        if err := binary.Read(r, byteOrder, &o.Index); err != nil {
                return err
        }

        return nil
}

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

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

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

        case wire.OutPoint:
                return 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:
                if _, err := lnwire.WriteMessage(w, e, 0); err != nil {
                        return err
                }

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

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

        case *wire.OutPoint:
                return 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:
                msg, err := lnwire.ReadMessage(r, 0)
                if err != nil {
                        return err
                }

                *e = msg

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

        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 := 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 := 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
}

1	package migration_01_to_11
2
3	import (
4	"encoding/binary"
5	"fmt"
6	"io"
7	"net"
8
9	"github.com/btcsuite/btcd/btcec/v2"
10	"github.com/btcsuite/btcd/btcutil"
11	"github.com/btcsuite/btcd/chaincfg/chainhash"
12	"github.com/btcsuite/btcd/wire"
13	lnwire "github.com/lightningnetwork/lnd/channeldb/migration/lnwire21"
14	"github.com/lightningnetwork/lnd/keychain"
15	"github.com/lightningnetwork/lnd/shachain"
16	)
17
18	// WriteOutpoint writes an outpoint to the passed writer using the minimal
19	// amount of bytes possible.
20	func WriteOutpoint(w io.Writer, o *wire.OutPoint) error {	11,350✔
21	if _, err := w.Write(o.Hash[:]); err != nil {	11,350✔
22	return err	×
23	}	×
24	if err := binary.Write(w, byteOrder, o.Index); err != nil {	11,350✔
25	return err	×
26	}	×
27
28	return nil	11,350✔
29	}
30
31	// ReadOutpoint reads an outpoint from the passed reader that was previously
32	// written using the writeOutpoint struct.
33	func ReadOutpoint(r io.Reader, o *wire.OutPoint) error {	1,926✔
34	if _, err := io.ReadFull(r, o.Hash[:]); err != nil {	1,926✔
35	return err	×
36	}	×
37	if err := binary.Read(r, byteOrder, &o.Index); err != nil {	1,926✔
38	return err	×
39	}	×
40
41	return nil	1,926✔
42	}
43
44	// UnknownElementType is an error returned when the codec is unable to encode or
45	// decode a particular type.
46	type UnknownElementType struct {
47	method string
48	element interface{}
49	}
50
51	// Error returns the name of the method that encountered the error, as well as
52	// the type that was unsupported.
53	func (e UnknownElementType) Error() string {	×
54	return fmt.Sprintf("Unknown type in %s: %T", e.method, e.element)	×
55	}	×
56
57	// WriteElement is a one-stop shop to write the big endian representation of
58	// any element which is to be serialized for storage on disk. The passed
59	// io.Writer should be backed by an appropriately sized byte slice, or be able
60	// to dynamically expand to accommodate additional data.
61	func WriteElement(w io.Writer, element interface{}) error {	197,918✔
62	switch e := element.(type) {	197,918✔
63	case keychain.KeyDescriptor:	26,860✔
64	if err := binary.Write(w, byteOrder, e.Family); err != nil {	26,860✔
65	return err	×
66	}	×
67	if err := binary.Write(w, byteOrder, e.Index); err != nil {	26,860✔
68	return err	×
69	}	×
70
71	if e.PubKey != nil {	53,480✔
72	if err := binary.Write(w, byteOrder, true); err != nil {	26,620✔
73	return fmt.Errorf("error writing serialized element: %w", err)	×
74	}	×
75
76	return WriteElement(w, e.PubKey)	26,620✔
77	}
78
79	return binary.Write(w, byteOrder, false)	240✔
80	case ChannelType:	2,683✔
81	if err := binary.Write(w, byteOrder, e); err != nil {	2,683✔
82	return err	×
83	}	×
84
85	case chainhash.Hash:	2,713✔
86	if _, err := w.Write(e[:]); err != nil {	2,713✔
87	return err	×
88	}	×
89
90	case wire.OutPoint:	2,698✔
91	return WriteOutpoint(w, &e)	2,698✔
92
93	case lnwire.ShortChannelID:	2,698✔
94	if err := binary.Write(w, byteOrder, e.ToUint64()); err != nil {	2,698✔
95	return err	×
96	}	×
97
98	case lnwire.ChannelID:	×
99	if _, err := w.Write(e[:]); err != nil {	×
100	return err	×
101	}	×
102
103	case int64, uint64:	24,116✔
104	if err := binary.Write(w, byteOrder, e); err != nil {	24,116✔
105	return err	×
106	}	×
107
108	case uint32:	4,782✔
109	if err := binary.Write(w, byteOrder, e); err != nil {	4,782✔
110	return err	×
111	}	×
112
113	case int32:	2,017✔
114	if err := binary.Write(w, byteOrder, e); err != nil {	2,017✔
115	return err	×
116	}	×
117
118	case uint16:	17,434✔
119	if err := binary.Write(w, byteOrder, e); err != nil {	17,434✔
120	return err	×
121	}	×
122
123	case uint8:	×
124	if err := binary.Write(w, byteOrder, e); err != nil {	×
125	return err	×
126	}	×
127
128	case bool:	7,412✔
129	if err := binary.Write(w, byteOrder, e); err != nil {	7,412✔
130	return err	×
131	}	×
132
133	case btcutil.Amount:	21,486✔
134	if err := binary.Write(w, byteOrder, uint64(e)); err != nil {	21,486✔
135	return err	×
136	}	×
137
138	case lnwire.MilliSatoshi:	26,206✔
139	if err := binary.Write(w, byteOrder, uint64(e)); err != nil {	26,206✔
140	return err	×
141	}	×
142
143	case *btcec.PrivateKey:	12✔
144	b := e.Serialize()	12✔
145	if _, err := w.Write(b); err != nil {	12✔
146	return err	×
147	}	×
148
149	case *btcec.PublicKey:	31,986✔
150	b := e.SerializeCompressed()	31,986✔
151	if _, err := w.Write(b); err != nil {	31,986✔
152	return err	×
153	}	×
154
155	case shachain.Producer:	2,659✔
156	return e.Encode(w)	2,659✔
157
158	case shachain.Store:	2,659✔
159	return e.Encode(w)	2,659✔
160
161	case *wire.MsgTx:	4,011✔
162	return e.Serialize(w)	4,011✔
163
164	case [32]byte:	2,017✔
165	if _, err := w.Write(e[:]); err != nil {	2,017✔
166	return err	×
167	}	×
168
169	case []byte:	8,088✔
170	if err := wire.WriteVarBytes(w, 0, e); err != nil {	8,088✔
171	return err	×
172	}	×
173
174	case lnwire.Message:	×
175	if _, err := lnwire.WriteMessage(w, e, 0); err != nil {	×
176	return err	×
177	}	×
178
179	case ChannelStatus:	2,683✔
180	if err := binary.Write(w, byteOrder, e); err != nil {	2,683✔
181	return err	×
182	}	×
183
184	case ClosureType:	15✔
185	if err := binary.Write(w, byteOrder, e); err != nil {	15✔
186	return err	×
187	}	×
188
189	case lnwire.FundingFlag:	2,683✔
190	if err := binary.Write(w, byteOrder, e); err != nil {	2,683✔
191	return err	×
192	}	×
193
194	case net.Addr:	×
195	if err := serializeAddr(w, e); err != nil {	×
196	return err	×
197	}	×
198
199	case []net.Addr:	×
200	if err := WriteElement(w, uint32(len(e))); err != nil {	×
201	return err	×
202	}	×
203
204	for _, addr := range e {	×
205	if err := serializeAddr(w, addr); err != nil {	×
206	return err	×
207	}	×
208	}
209
210	default:	×
211	return UnknownElementType{"WriteElement", e}	×
212	}
213
214	return nil	159,031✔
215	}
216
217	// WriteElements is writes each element in the elements slice to the passed
218	// io.Writer using WriteElement.
219	func WriteElements(w io.Writer, elements ...interface{}) error {	16,864✔
220	for _, element := range elements {	184,151✔
221	err := WriteElement(w, element)	167,287✔
222	if err != nil {	167,287✔
223	return err	×
224	}	×
225	}
226	return nil	16,864✔
227	}
228
229	// ReadElement is a one-stop utility function to deserialize any datastructure
230	// encoded using the serialization format of the database.
231	func ReadElement(r io.Reader, element interface{}) error {	142,200✔
232	switch e := element.(type) {	142,200✔
233	case *keychain.KeyDescriptor:	19,110✔
234	if err := binary.Read(r, byteOrder, &e.Family); err != nil {	19,110✔
235	return err	×
236	}	×
237	if err := binary.Read(r, byteOrder, &e.Index); err != nil {	19,110✔
238	return err	×
239	}	×
240
241	var hasPubKey bool	19,110✔
242	if err := binary.Read(r, byteOrder, &hasPubKey); err != nil {	19,110✔
243	return err	×
244	}	×
245
246	if hasPubKey {	37,970✔
247	return ReadElement(r, &e.PubKey)	18,860✔
248	}	18,860✔
249
250	case *ChannelType:	1,910✔
251	if err := binary.Read(r, byteOrder, e); err != nil {	1,910✔
252	return err	×
253	}	×
254
255	case *chainhash.Hash:	1,934✔
256	if _, err := io.ReadFull(r, e[:]); err != nil {	1,934✔
257	return err	×
258	}	×
259
260	case *wire.OutPoint:	1,922✔
261	return ReadOutpoint(r, e)	1,922✔
262
263	case *lnwire.ShortChannelID:	1,922✔
264	var a uint64	1,922✔
265	if err := binary.Read(r, byteOrder, &a); err != nil {	1,922✔
266	return err	×
267	}	×
268	*e = lnwire.NewShortChanIDFromInt(a)	1,922✔
269
270	case *lnwire.ChannelID:	×
271	if _, err := io.ReadFull(r, e[:]); err != nil {	×
272	return err	×
273	}	×
274
275	case int64, uint64:	17,448✔
276	if err := binary.Read(r, byteOrder, e); err != nil {	17,448✔
277	return err	×
278	}	×
279
280	case *uint32:	3,597✔
281	if err := binary.Read(r, byteOrder, e); err != nil {	3,597✔
282	return err	×
283	}	×
284
285	case *int32:	1,608✔
286	if err := binary.Read(r, byteOrder, e); err != nil {	1,608✔
287	return err	×
288	}	×
289
290	case *uint16:	12,391✔
291	if err := binary.Read(r, byteOrder, e); err != nil {	12,391✔
292	return err	×
293	}	×
294
295	case *uint8:	×
296	if err := binary.Read(r, byteOrder, e); err != nil {	×
297	return err	×
298	}	×
299
300	case *bool:	5,447✔
301	if err := binary.Read(r, byteOrder, e); err != nil {	5,447✔
302	return err	×
303	}	×
304
305	case *btcutil.Amount:	15,264✔
306	var a uint64	15,264✔
307	if err := binary.Read(r, byteOrder, &a); err != nil {	15,264✔
308	return err	×
309	}	×
310
311	*e = btcutil.Amount(a)	15,264✔
312
313	case *lnwire.MilliSatoshi:	18,811✔
314	var a uint64	18,811✔
315	if err := binary.Read(r, byteOrder, &a); err != nil {	18,811✔
316	return err	×
317	}	×
318
319	*e = lnwire.MilliSatoshi(a)	18,811✔
320
321	case **btcec.PrivateKey:	12✔
322	var b [btcec.PrivKeyBytesLen]byte	12✔
323	if _, err := io.ReadFull(r, b[:]); err != nil {	12✔
324	return err	×
325	}	×
326
327	priv, _ := btcec.PrivKeyFromBytes(b[:])	12✔
328	*e = priv	12✔
329
330	case **btcec.PublicKey:	22,674✔
331	var b [btcec.PubKeyBytesLenCompressed]byte	22,674✔
332	if _, err := io.ReadFull(r, b[:]); err != nil {	22,676✔
333	return err	2✔
334	}	2✔
335
336	pubKey, err := btcec.ParsePubKey(b[:])	22,672✔
337	if err != nil {	22,672✔
338	return err	×
339	}	×
340	*e = pubKey	22,672✔
341
342	case *shachain.Producer:	1,884✔
343	var root [32]byte	1,884✔
344	if _, err := io.ReadFull(r, root[:]); err != nil {	1,884✔
345	return err	×
346	}	×
347
348	// TODO(roasbeef): remove
349	producer, err := shachain.NewRevocationProducerFromBytes(root[:])	1,884✔
350	if err != nil {	1,884✔
351	return err	×
352	}	×
353
354	*e = producer	1,884✔
355
356	case *shachain.Store:	1,884✔
357	store, err := shachain.NewRevocationStoreFromBytes(r)	1,884✔
358	if err != nil {	1,884✔
359	return err	×
360	}	×
361
362	*e = store	1,884✔
363
364	case **wire.MsgTx:	2,842✔
365	tx := wire.NewMsgTx(2)	2,842✔
366	if err := tx.Deserialize(r); err != nil {	2,843✔
367	return err	1✔
368	}	1✔
369
370	*e = tx	2,841✔
371
372	case *[32]byte:	1,608✔
373	if _, err := io.ReadFull(r, e[:]); err != nil {	1,608✔
374	return err	×
375	}	×
376
377	case *[]byte:	6,100✔
378	bytes, err := wire.ReadVarBytes(r, 0, 66000, "[]byte")	6,100✔
379	if err != nil {	6,100✔
380	return err	×
381	}	×
382
383	*e = bytes	6,100✔
384
385	case *lnwire.Message:	×
386	msg, err := lnwire.ReadMessage(r, 0)	×
387	if err != nil {	×
388	return err	×
389	}	×
390
391	*e = msg	×
392
393	case *ChannelStatus:	1,910✔
394	if err := binary.Read(r, byteOrder, e); err != nil {	1,910✔
395	return err	×
396	}	×
397
398	case *ClosureType:	12✔
399	if err := binary.Read(r, byteOrder, e); err != nil {	12✔
400	return err	×
401	}	×
402
403	case *lnwire.FundingFlag:	1,910✔
404	if err := binary.Read(r, byteOrder, e); err != nil {	1,910✔
405	return err	×
406	}	×
407
408	case *net.Addr:	×
409	addr, err := deserializeAddr(r)	×
410	if err != nil {	×
411	return err	×
412	}	×
413	*e = addr	×
414
415	case *[]net.Addr:	×
416	var numAddrs uint32	×
417	if err := ReadElement(r, &numAddrs); err != nil {	×
418	return err	×
419	}	×
420
421	*e = make([]net.Addr, numAddrs)	×
422	for i := uint32(0); i < numAddrs; i++ {	×
423	addr, err := deserializeAddr(r)	×
424	if err != nil {	×
425	return err	×
426	}	×
427	(*e)[i] = addr	×
428	}
429
430	default:	×
431	return UnknownElementType{"ReadElement", e}	×
432	}
433
434	return nil	121,415✔
435	}
436
437	// ReadElements deserializes a variable number of elements into the passed
438	// io.Reader, with each element being deserialized according to the ReadElement
439	// function.
440	func ReadElements(r io.Reader, elements ...interface{}) error {	12,223✔
441	for _, element := range elements {	132,721✔
442	err := ReadElement(r, element)	120,498✔
443	if err != nil {	120,500✔
444	return err	2✔
445	}	2✔
446	}
447	return nil	12,221✔
448	}

lightningnetwork / lnd / 13586005509

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