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

Run Details

129950 of 189351 relevant lines covered (68.63%)

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Source File
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55.76

/channeldb/codec.go

package channeldb

import (
        "bytes"
        "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"
        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 paymentIndexType:
                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 *paymentIndexType:
                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
}

1	package channeldb
2
3	import (
4	"bytes"
5	"encoding/binary"
6	"fmt"
7	"io"
8	"net"
9
10	"github.com/btcsuite/btcd/btcec/v2"
11	"github.com/btcsuite/btcd/btcutil"
12	"github.com/btcsuite/btcd/chaincfg/chainhash"
13	"github.com/btcsuite/btcd/wire"
14	graphdb "github.com/lightningnetwork/lnd/graph/db"
15	"github.com/lightningnetwork/lnd/keychain"
16	"github.com/lightningnetwork/lnd/lnwire"
17	"github.com/lightningnetwork/lnd/shachain"
18	"github.com/lightningnetwork/lnd/tlv"
19	)
20
21	// UnknownElementType is an error returned when the codec is unable to encode or
22	// decode a particular type.
23	type UnknownElementType struct {
24	method string
25	element interface{}
26	}
27
28	// NewUnknownElementType creates a new UnknownElementType error from the passed
29	// method name and element.
30	func NewUnknownElementType(method string, el interface{}) UnknownElementType {	×
31	return UnknownElementType{method: method, element: el}	×
32	}	×
33
34	// Error returns the name of the method that encountered the error, as well as
35	// the type that was unsupported.
36	func (e UnknownElementType) Error() string {	×
37	return fmt.Sprintf("Unknown type in %s: %T", e.method, e.element)	×
38	}	×
39
40	// WriteElement is a one-stop shop to write the big endian representation of
41	// any element which is to be serialized for storage on disk. The passed
42	// io.Writer should be backed by an appropriately sized byte slice, or be able
43	// to dynamically expand to accommodate additional data.
44	func WriteElement(w io.Writer, element interface{}) error {	1,057,031✔
45	switch e := element.(type) {	1,057,031✔
46	case keychain.KeyDescriptor:	33,248✔
47	if err := binary.Write(w, byteOrder, e.Family); err != nil {	33,248✔
48	return err	×
49	}	×
50	if err := binary.Write(w, byteOrder, e.Index); err != nil {	33,248✔
51	return err	×
52	}	×
53
54	if e.PubKey != nil {	66,486✔
55	if err := binary.Write(w, byteOrder, true); err != nil {	33,238✔
56	return fmt.Errorf("error writing serialized "+	×
57	"element: %w", err)	×
58	}	×
59
60	return WriteElement(w, e.PubKey)	33,238✔
61	}
62
63	return binary.Write(w, byteOrder, false)	10✔
64	case ChannelType:	3,267✔
65	var buf [8]byte	3,267✔
66	if err := tlv.WriteVarInt(w, uint64(e), &buf); err != nil {	3,267✔
67	return err	×
68	}	×
69
70	case chainhash.Hash:	4,449✔
71	if _, err := w.Write(e[:]); err != nil {	4,449✔
72	return err	×
73	}	×
74
75	case wire.OutPoint:	3,517✔
76	return graphdb.WriteOutpoint(w, &e)	3,517✔
77
78	case lnwire.ShortChannelID:	4,617✔
79	if err := binary.Write(w, byteOrder, e.ToUint64()); err != nil {	4,617✔
80	return err	×
81	}	×
82
83	case lnwire.ChannelID:	233,073✔
84	if _, err := w.Write(e[:]); err != nil {	233,073✔
85	return err	×
86	}	×
87
88	case int64, uint64:	343,865✔
89	if err := binary.Write(w, byteOrder, e); err != nil {	343,865✔
90	return err	×
91	}	×
92
93	case uint32:	38,907✔
94	if err := binary.Write(w, byteOrder, e); err != nil {	38,907✔
95	return err	×
96	}	×
97
98	case int32:	29,654✔
99	if err := binary.Write(w, byteOrder, e); err != nil {	29,654✔
100	return err	×
101	}	×
102
103	case uint16:	38,574✔
104	if err := binary.Write(w, byteOrder, e); err != nil {	38,574✔
105	return err	×
106	}	×
107
108	case uint8:	1,298✔
109	if err := binary.Write(w, byteOrder, e); err != nil {	1,298✔
110	return err	×
111	}	×
112
113	case bool:	41,440✔
114	if err := binary.Write(w, byteOrder, e); err != nil {	41,440✔
115	return err	×
116	}	×
117
118	case btcutil.Amount:	34,101✔
119	if err := binary.Write(w, byteOrder, uint64(e)); err != nil {	34,101✔
120	return err	×
121	}	×
122
123	case lnwire.MilliSatoshi:	67,570✔
124	if err := binary.Write(w, byteOrder, uint64(e)); err != nil {	67,570✔
125	return err	×
126	}	×
127
128	case *btcec.PrivateKey:	1✔
129	b := e.Serialize()	1✔
130	if _, err := w.Write(b); err != nil {	1✔
131	return err	×
132	}	×
133
134	case *btcec.PublicKey:	44,014✔
135	b := e.SerializeCompressed()	44,014✔
136	if _, err := w.Write(b); err != nil {	44,014✔
137	return err	×
138	}	×
139
140	case shachain.Producer:	3,851✔
141	return e.Encode(w)	3,851✔
142
143	case shachain.Store:	3,851✔
144	return e.Encode(w)	3,851✔
145
146	case *wire.MsgTx:	10,483✔
147	return e.Serialize(w)	10,483✔
148
149	case [32]byte:	29,729✔
150	if _, err := w.Write(e[:]); err != nil {	29,729✔
151	return err	×
152	}	×
153
154	case []byte:	70,640✔
155	if err := wire.WriteVarBytes(w, 0, e); err != nil {	70,640✔
156	return err	×
157	}	×
158
159	case lnwire.Message:	7,415✔
160	var msgBuf bytes.Buffer	7,415✔
161	if _, err := lnwire.WriteMessage(&msgBuf, e, 0); err != nil {	7,415✔
162	return err	×
163	}	×
164
165	msgLen := uint16(len(msgBuf.Bytes()))	7,415✔
166	if err := WriteElements(w, msgLen); err != nil {	7,415✔
167	return err	×
168	}	×
169
170	if _, err := w.Write(msgBuf.Bytes()); err != nil {	7,415✔
171	return err	×
172	}	×
173
174	case ChannelStatus:	3,267✔
175	var buf [8]byte	3,267✔
176	if err := tlv.WriteVarInt(w, uint64(e), &buf); err != nil {	3,267✔
177	return err	×
178	}	×
179
180	case ClosureType:	133✔
181	if err := binary.Write(w, byteOrder, e); err != nil {	133✔
182	return err	×
183	}	×
184
185	case paymentIndexType:	169✔
186	if err := binary.Write(w, byteOrder, e); err != nil {	169✔
187	return err	×
188	}	×
189
190	case lnwire.FundingFlag:	3,267✔
191	if err := binary.Write(w, byteOrder, e); err != nil {	3,267✔
192	return err	×
193	}	×
194
195	case net.Addr:	×
196	if err := graphdb.SerializeAddr(w, e); err != nil {	×
197	return err	×
198	}	×
199
200	case []net.Addr:	206✔
201	if err := WriteElement(w, uint32(len(e))); err != nil {	206✔
202	return err	×
203	}	×
204
205	for _, addr := range e {	718✔
206	if err := graphdb.SerializeAddr(w, addr); err != nil {	512✔
207	return err	×
208	}	×
209	}
210
211	default:	2,503✔
212	return UnknownElementType{"WriteElement", e}	2,503✔
213	}
214
215	return nil	999,596✔
216	}
217
218	// WriteElements is writes each element in the elements slice to the passed
219	// io.Writer using WriteElement.
220	func WriteElements(w io.Writer, elements ...interface{}) error {	78,471✔
221	for _, element := range elements {	611,543✔
222	err := WriteElement(w, element)	533,072✔
223	if err != nil {	533,072✔
224	return err	×
225	}	×
226	}
227	return nil	78,471✔
228	}
229
230	// ReadElement is a one-stop utility function to deserialize any datastructure
231	// encoded using the serialization format of the database.
232	func ReadElement(r io.Reader, element interface{}) error {	1,703,127✔
233	switch e := element.(type) {	1,703,127✔
234	case *keychain.KeyDescriptor:	73,153✔
235	if err := binary.Read(r, byteOrder, &e.Family); err != nil {	73,153✔
236	return err	×
237	}	×
238	if err := binary.Read(r, byteOrder, &e.Index); err != nil {	73,153✔
239	return err	×
240	}	×
241
242	var hasPubKey bool	73,153✔
243	if err := binary.Read(r, byteOrder, &hasPubKey); err != nil {	73,153✔
244	return err	×
245	}	×
246
247	if hasPubKey {	146,286✔
248	return ReadElement(r, &e.PubKey)	73,133✔
249	}	73,133✔
250
251	case *ChannelType:	7,257✔
252	var buf [8]byte	7,257✔
253	ctype, err := tlv.ReadVarInt(r, &buf)	7,257✔
254	if err != nil {	7,257✔
255	return err	×
256	}	×
257
258	*e = ChannelType(ctype)	7,257✔
259
260	case *chainhash.Hash:	7,517✔
261	if _, err := io.ReadFull(r, e[:]); err != nil {	7,517✔
262	return err	×
263	}	×
264
265	case *wire.OutPoint:	7,390✔
266	return graphdb.ReadOutpoint(r, e)	7,390✔
267
268	case *lnwire.ShortChannelID:	8,431✔
269	var a uint64	8,431✔
270	if err := binary.Read(r, byteOrder, &a); err != nil {	8,431✔
271	return err	×
272	}	×
273	*e = lnwire.NewShortChanIDFromInt(a)	8,431✔
274
275	case *lnwire.ChannelID:	233,308✔
276	if _, err := io.ReadFull(r, e[:]); err != nil {	233,308✔
277	return err	×
278	}	×
279
280	case int64, uint64:	462,382✔
281	if err := binary.Read(r, byteOrder, e); err != nil {	462,382✔
282	return err	×
283	}	×
284
285	case *uint32:	84,928✔
286	if err := binary.Read(r, byteOrder, e); err != nil {	84,928✔
287	return err	×
288	}	×
289
290	case *int32:	67,324✔
291	if err := binary.Read(r, byteOrder, e); err != nil {	67,324✔
292	return err	×
293	}	×
294
295	case *uint16:	65,881✔
296	if err := binary.Read(r, byteOrder, e); err != nil {	65,881✔
297	return err	×
298	}	×
299
300	case *uint8:	1,831✔
301	if err := binary.Read(r, byteOrder, e); err != nil {	1,831✔
302	return err	×
303	}	×
304
305	case *bool:	88,303✔
306	if err := binary.Read(r, byteOrder, e); err != nil {	88,303✔
307	return err	×
308	}	×
309
310	case *btcutil.Amount:	70,137✔
311	var a uint64	70,137✔
312	if err := binary.Read(r, byteOrder, &a); err != nil {	70,137✔
313	return err	×
314	}	×
315
316	*e = btcutil.Amount(a)	70,137✔
317
318	case *lnwire.MilliSatoshi:	146,958✔
319	var a uint64	146,958✔
320	if err := binary.Read(r, byteOrder, &a); err != nil {	146,958✔
321	return err	×
322	}	×
323
324	*e = lnwire.MilliSatoshi(a)	146,958✔
325
326	case **btcec.PrivateKey:	×
327	var b [btcec.PrivKeyBytesLen]byte	×
328	if _, err := io.ReadFull(r, b[:]); err != nil {	×
329	return err	×
330	}	×
331
332	priv, _ := btcec.PrivKeyFromBytes(b[:])	×
333	*e = priv	×
334
335	case **btcec.PublicKey:	95,412✔
336	var b [btcec.PubKeyBytesLenCompressed]byte	95,412✔
337	if _, err := io.ReadFull(r, b[:]); err != nil {	95,412✔
338	return err	×
339	}	×
340
341	pubKey, err := btcec.ParsePubKey(b[:])	95,412✔
342	if err != nil {	95,412✔
343	return err	×
344	}	×
345	*e = pubKey	95,412✔
346
347	case *shachain.Producer:	7,272✔
348	var root [32]byte	7,272✔
349	if _, err := io.ReadFull(r, root[:]); err != nil {	7,272✔
350	return err	×
351	}	×
352
353	// TODO(roasbeef): remove
354	producer, err := shachain.NewRevocationProducerFromBytes(root[:])	7,272✔
355	if err != nil {	7,272✔
356	return err	×
357	}	×
358
359	*e = producer	7,272✔
360
361	case *shachain.Store:	7,272✔
362	store, err := shachain.NewRevocationStoreFromBytes(r)	7,272✔
363	if err != nil {	7,272✔
364	return err	×
365	}	×
366
367	*e = store	7,272✔
368
369	case **wire.MsgTx:	20,496✔
370	tx := wire.NewMsgTx(2)	20,496✔
371	if err := tx.Deserialize(r); err != nil {	20,496✔
372	return err	×
373	}	×
374
375	*e = tx	20,496✔
376
377	case *[32]byte:	68,032✔
378	if _, err := io.ReadFull(r, e[:]); err != nil {	68,032✔
379	return err	×
380	}	×
381
382	case *[]byte:	156,273✔
383	bytes, err := wire.ReadVarBytes(r, 0, 66000, "[]byte")	156,273✔
384	if err != nil {	156,273✔
385	return err	×
386	}	×
387
388	*e = bytes	156,273✔
389
390	case *lnwire.Message:	5,565✔
391	var msgLen uint16	5,565✔
392	if err := ReadElement(r, &msgLen); err != nil {	5,565✔
393	return err	×
394	}	×
395
396	msgReader := io.LimitReader(r, int64(msgLen))	5,565✔
397	msg, err := lnwire.ReadMessage(msgReader, 0)	5,565✔
398	if err != nil {	5,565✔
399	return err	×
400	}	×
401
402	*e = msg	5,565✔
403
404	case *ChannelStatus:	7,257✔
405	var buf [8]byte	7,257✔
406	status, err := tlv.ReadVarInt(r, &buf)	7,257✔
407	if err != nil {	7,257✔
408	return err	×
409	}	×
410
411	*e = ChannelStatus(status)	7,257✔
412
413	case *ClosureType:	133✔
414	if err := binary.Read(r, byteOrder, e); err != nil {	133✔
415	return err	×
416	}	×
417
418	case *paymentIndexType:	62✔
419	if err := binary.Read(r, byteOrder, e); err != nil {	62✔
420	return err	×
421	}	×
422
423	case *lnwire.FundingFlag:	7,257✔
424	if err := binary.Read(r, byteOrder, e); err != nil {	7,257✔
425	return err	×
426	}	×
427
428	case *net.Addr:	×
429	addr, err := graphdb.DeserializeAddr(r)	×
430	if err != nil {	×
431	return err	×
432	}	×
433	*e = addr	×
434
435	case *[]net.Addr:	317✔
436	var numAddrs uint32	317✔
437	if err := ReadElement(r, &numAddrs); err != nil {	317✔
438	return err	×
439	}	×
440
441	*e = make([]net.Addr, numAddrs)	317✔
442	for i := uint32(0); i < numAddrs; i++ {	946✔
443	addr, err := graphdb.DeserializeAddr(r)	629✔
444	if err != nil {	629✔
445	return err	×
446	}	×
447	(*e)[i] = addr	629✔
448	}
449
450	default:	3,057✔
451	return UnknownElementType{"ReadElement", e}	3,057✔
452	}
453
454	return nil	1,619,556✔
455	}
456
457	// ReadElements deserializes a variable number of elements into the passed
458	// io.Reader, with each element being deserialized according to the ReadElement
459	// function.
460	func ReadElements(r io.Reader, elements ...interface{}) error {	145,374✔
461	for _, element := range elements {	1,267,499✔
462	err := ReadElement(r, element)	1,122,125✔
463	if err != nil {	1,122,125✔
464	return err	×
465	}	×
466	}
467	return nil	145,374✔
468	}

lightningnetwork / lnd / 13586005509

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