17011395530

Committed 16 Aug 2025 06:08PM UTC coverage: 57.298% (-9.5%) from 66.765%

Build # 17011395530

Build Type

Pull #10167

github

Committed by

web-flow

Commit Message

Merge 3c250722d into fb1adfc21

Pull Request Pull Request #10167: multi: bump Go to 1.24.6

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0.0

/lnwire/test_utils.go

package lnwire

import (
        "crypto/sha256"
        "fmt"
        "net"

        "github.com/btcsuite/btcd/btcec/v2"
        "github.com/btcsuite/btcd/btcec/v2/ecdsa"
        "github.com/btcsuite/btcd/chaincfg/chainhash"
        "github.com/btcsuite/btcd/wire"
        "github.com/lightningnetwork/lnd/fn/v2"
        "github.com/stretchr/testify/require"
        "pgregory.net/rapid"
)

// charset contains valid UTF-8 characters that can be used to generate random
// strings for testing purposes.
const charset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"

// RandPartialSig generates a random ParialSig message using rapid's
// generators.
func RandPartialSig(t *rapid.T) *PartialSig {
        // Generate random private key bytes
        sigBytes := rapid.SliceOfN(rapid.Byte(), 32, 32).Draw(t, "privKeyBytes")

        var s btcec.ModNScalar
        s.SetByteSlice(sigBytes)

        return &PartialSig{
                Sig: s,
        }
}

// RandPartialSigWithNonce generates a random PartialSigWithNonce using rapid
// generators.
func RandPartialSigWithNonce(t *rapid.T) *PartialSigWithNonce {
        sigLen := rapid.IntRange(1, 65).Draw(t, "partialSigLen")
        sigBytes := rapid.SliceOfN(
                rapid.Byte(), sigLen, sigLen,
        ).Draw(t, "partialSig")

        sigScalar := new(btcec.ModNScalar)
        sigScalar.SetByteSlice(sigBytes)

        return NewPartialSigWithNonce(
                RandMusig2Nonce(t), *sigScalar,
        )
}

// RandPubKey generates a random public key using rapid's generators.
func RandPubKey(t *rapid.T) *btcec.PublicKey {
        privKeyBytes := rapid.SliceOfN(rapid.Byte(), 32, 32).Draw(
                t, "privKeyBytes",
        )
        _, pub := btcec.PrivKeyFromBytes(privKeyBytes)

        return pub
}

// RandChannelID generates a random channel ID.
func RandChannelID(t *rapid.T) ChannelID {
        var c ChannelID
        bytes := rapid.SliceOfN(rapid.Byte(), 32, 32).Draw(t, "channelID")
        copy(c[:], bytes)

        return c
}

// RandShortChannelID generates a random short channel ID.
func RandShortChannelID(t *rapid.T) ShortChannelID {
        return NewShortChanIDFromInt(
                uint64(rapid.IntRange(1, 100000).Draw(t, "shortChanID")),
        )
}

// RandFeatureVector generates a random feature vector.
func RandFeatureVector(t *rapid.T) *RawFeatureVector {
        featureVec := NewRawFeatureVector()

        // Add a random number of random feature bits
        numFeatures := rapid.IntRange(0, 20).Draw(t, "numFeatures")
        for i := 0; i < numFeatures; i++ {
                bit := FeatureBit(rapid.IntRange(0, 100).Draw(
                        t, fmt.Sprintf("featureBit-%d", i)),
                )
                featureVec.Set(bit)
        }

        return featureVec
}

// RandSignature generates a signature for testing.
func RandSignature(t *rapid.T) Sig {
        testRScalar := new(btcec.ModNScalar)
        testSScalar := new(btcec.ModNScalar)

        // Generate random bytes for R and S
        rBytes := rapid.SliceOfN(rapid.Byte(), 32, 32).Draw(t, "rBytes")
        sBytes := rapid.SliceOfN(rapid.Byte(), 32, 32).Draw(t, "sBytes")
        _ = testRScalar.SetByteSlice(rBytes)
        _ = testSScalar.SetByteSlice(sBytes)

        testSig := ecdsa.NewSignature(testRScalar, testSScalar)

        sig, err := NewSigFromSignature(testSig)
        if err != nil {
                panic(fmt.Sprintf("unable to create signature: %v", err))
        }

        return sig
}

// RandPaymentHash generates a random payment hash.
func RandPaymentHash(t *rapid.T) [32]byte {
        var hash [32]byte
        bytes := rapid.SliceOfN(rapid.Byte(), 32, 32).Draw(t, "paymentHash")
        copy(hash[:], bytes)

        return hash
}

// RandPaymentPreimage generates a random payment preimage.
func RandPaymentPreimage(t *rapid.T) [32]byte {
        var preimage [32]byte
        bytes := rapid.SliceOfN(rapid.Byte(), 32, 32).Draw(t, "preimage")
        copy(preimage[:], bytes)

        return preimage
}

// RandChainHash generates a random chain hash.
func RandChainHash(t *rapid.T) chainhash.Hash {
        var hash [32]byte
        bytes := rapid.SliceOfN(rapid.Byte(), 32, 32).Draw(t, "chainHash")
        copy(hash[:], bytes)

        return hash
}

// RandNodeAlias generates a random node alias.
func RandNodeAlias(t *rapid.T) NodeAlias {
        var alias NodeAlias
        aliasLength := rapid.IntRange(0, 32).Draw(t, "aliasLength")

        aliasBytes := rapid.SliceOfN(
                rapid.SampledFrom([]rune(charset)), aliasLength, aliasLength,
        ).Draw(t, "alias")

        copy(alias[:], string(aliasBytes))

        return alias
}

// RandNetAddrs generates random network addresses.
func RandNetAddrs(t *rapid.T) []net.Addr {
        numAddresses := rapid.IntRange(0, 5).Draw(t, "numAddresses")
        if numAddresses == 0 {
                return nil
        }

        addresses := make([]net.Addr, numAddresses)
        for i := 0; i < numAddresses; i++ {
                addressType := rapid.IntRange(0, 1).Draw(
                        t, fmt.Sprintf("addressType-%d", i),
                )

                switch addressType {
                // IPv4.
                case 0:
                        ipBytes := rapid.SliceOfN(rapid.Byte(), 4, 4).Draw(
                                t, fmt.Sprintf("ipv4-%d", i),
                        )
                        port := rapid.IntRange(1, 65535).Draw(
                                t, fmt.Sprintf("port-%d", i),
                        )
                        addresses[i] = &net.TCPAddr{
                                IP:   ipBytes,
                                Port: port,
                        }

                // IPv6.
                case 1:
                        ipBytes := rapid.SliceOfN(rapid.Byte(), 16, 16).Draw(
                                t, fmt.Sprintf("ipv6-%d", i),
                        )
                        port := rapid.IntRange(1, 65535).Draw(
                                t, fmt.Sprintf("port-%d", i),
                        )
                        addresses[i] = &net.TCPAddr{
                                IP:   ipBytes,
                                Port: port,
                        }
                }
        }

        return addresses
}

// RandCustomRecords generates random custom TLV records.
func RandCustomRecords(t *rapid.T,
        ignoreRecords fn.Set[uint64],
        custom bool) (CustomRecords, fn.Set[uint64]) {

        numRecords := rapid.IntRange(0, 5).Draw(t, "numCustomRecords")
        customRecords := make(CustomRecords)

        if numRecords == 0 {
                return nil, nil
        }

        rangeStart := 0
        rangeStop := int(CustomTypeStart)
        if custom {
                rangeStart = 70_000
                rangeStop = 100_000
        }

        ignoreSet := fn.NewSet[uint64]()
        for i := 0; i < numRecords; i++ {
                recordType := uint64(
                        rapid.IntRange(rangeStart, rangeStop).
                                Filter(func(i int) bool {
                                        return !ignoreRecords.Contains(
                                                uint64(i),
                                        )
                                }).
                                Draw(
                                        t, fmt.Sprintf("recordType-%d", i),
                                ),
                )
                recordLen := rapid.IntRange(4, 64).Draw(
                        t, fmt.Sprintf("recordLen-%d", i),
                )
                record := rapid.SliceOfN(
                        rapid.Byte(), recordLen, recordLen,
                ).Draw(t, fmt.Sprintf("record-%d", i))

                customRecords[recordType] = record

                ignoreSet.Add(recordType)
        }

        return customRecords, ignoreSet
}

// RandMusig2Nonce generates a random musig2 nonce.
func RandMusig2Nonce(t *rapid.T) Musig2Nonce {
        var nonce Musig2Nonce
        bytes := rapid.SliceOfN(rapid.Byte(), 32, 32).Draw(t, "nonce")
        copy(nonce[:], bytes)

        return nonce
}

// RandExtraOpaqueData generates random extra opaque data.
func RandExtraOpaqueData(t *rapid.T,
        ignoreRecords fn.Set[uint64]) ExtraOpaqueData {

        // Make some random records.
        cRecords, _ := RandCustomRecords(t, ignoreRecords, false)
        if cRecords == nil {
                return ExtraOpaqueData{}
        }

        // Encode those records as opaque data.
        recordBytes, err := cRecords.Serialize()
        require.NoError(t, err)

        return ExtraOpaqueData(recordBytes)
}

// RandOpaqueReason generates a random opaque reason for HTLC failures.
func RandOpaqueReason(t *rapid.T) OpaqueReason {
        reasonLen := rapid.IntRange(32, 300).Draw(t, "reasonLen")
        return rapid.SliceOfN(rapid.Byte(), reasonLen, reasonLen).Draw(
                t, "opaqueReason",
        )
}

// RandFailCode generates a random HTLC failure code.
func RandFailCode(t *rapid.T) FailCode {
        // List of known failure codes to choose from Using only the documented
        // codes.
        validCodes := []FailCode{
                CodeInvalidRealm,
                CodeTemporaryNodeFailure,
                CodePermanentNodeFailure,
                CodeRequiredNodeFeatureMissing,
                CodePermanentChannelFailure,
                CodeRequiredChannelFeatureMissing,
                CodeUnknownNextPeer,
                CodeIncorrectOrUnknownPaymentDetails,
                CodeIncorrectPaymentAmount,
                CodeFinalExpiryTooSoon,
                CodeInvalidOnionVersion,
                CodeInvalidOnionHmac,
                CodeInvalidOnionKey,
                CodeTemporaryChannelFailure,
                CodeChannelDisabled,
                CodeExpiryTooSoon,
                CodeMPPTimeout,
                CodeInvalidOnionPayload,
                CodeFeeInsufficient,
        }

        // Choose a random code from the list.
        idx := rapid.IntRange(0, len(validCodes)-1).Draw(t, "failCodeIndex")

        return validCodes[idx]
}

// RandSHA256Hash generates a random SHA256 hash.
func RandSHA256Hash(t *rapid.T) [sha256.Size]byte {
        var hash [sha256.Size]byte
        bytes := rapid.SliceOfN(rapid.Byte(), sha256.Size, sha256.Size).Draw(
                t, "sha256Hash",
        )
        copy(hash[:], bytes)

        return hash
}

// RandDeliveryAddress generates a random delivery address (script).
func RandDeliveryAddress(t *rapid.T) DeliveryAddress {
        addrLen := rapid.IntRange(1, 34).Draw(t, "addrLen")

        return rapid.SliceOfN(rapid.Byte(), addrLen, addrLen).Draw(
                t, "deliveryAddress",
        )
}

// RandChannelType generates a random channel type.
func RandChannelType(t *rapid.T) *ChannelType {
        vec := RandFeatureVector(t)
        chanType := ChannelType(*vec)

        return &chanType
}

// RandLeaseExpiry generates a random lease expiry.
func RandLeaseExpiry(t *rapid.T) *LeaseExpiry {
        exp := LeaseExpiry(
                uint32(rapid.IntRange(1000, 1000000).Draw(t, "leaseExpiry")),
        )

        return &exp
}

// RandOutPoint generates a random transaction outpoint.
func RandOutPoint(t *rapid.T) wire.OutPoint {
        // Generate a random transaction ID
        var txid chainhash.Hash
        txidBytes := rapid.SliceOfN(rapid.Byte(), 32, 32).Draw(t, "txid")
        copy(txid[:], txidBytes)

        // Generate a random output index
        vout := uint32(rapid.IntRange(0, 10).Draw(t, "vout"))

        return wire.OutPoint{
                Hash:  txid,
                Index: vout,
        }
}

1	package lnwire
2
3	import (
4	"crypto/sha256"
5	"fmt"
6	"net"
7
8	"github.com/btcsuite/btcd/btcec/v2"
9	"github.com/btcsuite/btcd/btcec/v2/ecdsa"
10	"github.com/btcsuite/btcd/chaincfg/chainhash"
11	"github.com/btcsuite/btcd/wire"
12	"github.com/lightningnetwork/lnd/fn/v2"
13	"github.com/stretchr/testify/require"
14	"pgregory.net/rapid"
15	)
16
17	// charset contains valid UTF-8 characters that can be used to generate random
18	// strings for testing purposes.
19	const charset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
20
21	// RandPartialSig generates a random ParialSig message using rapid's
22	// generators.
23	func RandPartialSig(t rapid.T) PartialSig {	×
24	// Generate random private key bytes	×
25	sigBytes := rapid.SliceOfN(rapid.Byte(), 32, 32).Draw(t, "privKeyBytes")	×
26		×
27	var s btcec.ModNScalar	×
28	s.SetByteSlice(sigBytes)	×
29		×
30	return &PartialSig{	×
31	Sig: s,	×
32	}	×
33	}	×
34
35	// RandPartialSigWithNonce generates a random PartialSigWithNonce using rapid
36	// generators.
37	func RandPartialSigWithNonce(t rapid.T) PartialSigWithNonce {	×
38	sigLen := rapid.IntRange(1, 65).Draw(t, "partialSigLen")	×
39	sigBytes := rapid.SliceOfN(	×
40	rapid.Byte(), sigLen, sigLen,	×
41	).Draw(t, "partialSig")	×
42		×
43	sigScalar := new(btcec.ModNScalar)	×
44	sigScalar.SetByteSlice(sigBytes)	×
45		×
46	return NewPartialSigWithNonce(	×
47	RandMusig2Nonce(t), *sigScalar,	×
48	)	×
49	}	×
50
51	// RandPubKey generates a random public key using rapid's generators.
52	func RandPubKey(t rapid.T) btcec.PublicKey {	×
53	privKeyBytes := rapid.SliceOfN(rapid.Byte(), 32, 32).Draw(	×
54	t, "privKeyBytes",	×
55	)	×
56	_, pub := btcec.PrivKeyFromBytes(privKeyBytes)	×
57		×
58	return pub	×
59	}	×
60
61	// RandChannelID generates a random channel ID.
62	func RandChannelID(t *rapid.T) ChannelID {	×
63	var c ChannelID	×
64	bytes := rapid.SliceOfN(rapid.Byte(), 32, 32).Draw(t, "channelID")	×
65	copy(c[:], bytes)	×
66		×
67	return c	×
68	}	×
69
70	// RandShortChannelID generates a random short channel ID.
71	func RandShortChannelID(t *rapid.T) ShortChannelID {	×
72	return NewShortChanIDFromInt(	×
73	uint64(rapid.IntRange(1, 100000).Draw(t, "shortChanID")),	×
74	)	×
75	}	×
76
77	// RandFeatureVector generates a random feature vector.
78	func RandFeatureVector(t rapid.T) RawFeatureVector {	×
79	featureVec := NewRawFeatureVector()	×
80		×
81	// Add a random number of random feature bits	×
82	numFeatures := rapid.IntRange(0, 20).Draw(t, "numFeatures")	×
83	for i := 0; i < numFeatures; i++ {	×
84	bit := FeatureBit(rapid.IntRange(0, 100).Draw(	×
85	t, fmt.Sprintf("featureBit-%d", i)),	×
86	)	×
87	featureVec.Set(bit)	×
88	}	×
89
90	return featureVec	×
91	}
92
93	// RandSignature generates a signature for testing.
94	func RandSignature(t *rapid.T) Sig {	×
95	testRScalar := new(btcec.ModNScalar)	×
96	testSScalar := new(btcec.ModNScalar)	×
97		×
98	// Generate random bytes for R and S	×
99	rBytes := rapid.SliceOfN(rapid.Byte(), 32, 32).Draw(t, "rBytes")	×
100	sBytes := rapid.SliceOfN(rapid.Byte(), 32, 32).Draw(t, "sBytes")	×
101	_ = testRScalar.SetByteSlice(rBytes)	×
102	_ = testSScalar.SetByteSlice(sBytes)	×
103		×
104	testSig := ecdsa.NewSignature(testRScalar, testSScalar)	×
105		×
106	sig, err := NewSigFromSignature(testSig)	×
107	if err != nil {	×
108	panic(fmt.Sprintf("unable to create signature: %v", err))	×
109	}
110
111	return sig	×
112	}
113
114	// RandPaymentHash generates a random payment hash.
115	func RandPaymentHash(t *rapid.T) [32]byte {	×
116	var hash [32]byte	×
117	bytes := rapid.SliceOfN(rapid.Byte(), 32, 32).Draw(t, "paymentHash")	×
118	copy(hash[:], bytes)	×
119		×
120	return hash	×
121	}	×
122
123	// RandPaymentPreimage generates a random payment preimage.
124	func RandPaymentPreimage(t *rapid.T) [32]byte {	×
125	var preimage [32]byte	×
126	bytes := rapid.SliceOfN(rapid.Byte(), 32, 32).Draw(t, "preimage")	×
127	copy(preimage[:], bytes)	×
128		×
129	return preimage	×
130	}	×
131
132	// RandChainHash generates a random chain hash.
133	func RandChainHash(t *rapid.T) chainhash.Hash {	×
134	var hash [32]byte	×
135	bytes := rapid.SliceOfN(rapid.Byte(), 32, 32).Draw(t, "chainHash")	×
136	copy(hash[:], bytes)	×
137		×
138	return hash	×
139	}	×
140
141	// RandNodeAlias generates a random node alias.
142	func RandNodeAlias(t *rapid.T) NodeAlias {	×
143	var alias NodeAlias	×
144	aliasLength := rapid.IntRange(0, 32).Draw(t, "aliasLength")	×
145		×
146	aliasBytes := rapid.SliceOfN(	×
147	rapid.SampledFrom([]rune(charset)), aliasLength, aliasLength,	×
148	).Draw(t, "alias")	×
149		×
150	copy(alias[:], string(aliasBytes))	×
151		×
152	return alias	×
153	}	×
154
155	// RandNetAddrs generates random network addresses.
156	func RandNetAddrs(t *rapid.T) []net.Addr {	×
157	numAddresses := rapid.IntRange(0, 5).Draw(t, "numAddresses")	×
158	if numAddresses == 0 {	×
159	return nil	×
160	}	×
161
162	addresses := make([]net.Addr, numAddresses)	×
163	for i := 0; i < numAddresses; i++ {	×
164	addressType := rapid.IntRange(0, 1).Draw(	×
165	t, fmt.Sprintf("addressType-%d", i),	×
166	)	×
167		×
168	switch addressType {	×
169	// IPv4.
170	case 0:	×
171	ipBytes := rapid.SliceOfN(rapid.Byte(), 4, 4).Draw(	×
172	t, fmt.Sprintf("ipv4-%d", i),	×
173	)	×
174	port := rapid.IntRange(1, 65535).Draw(	×
175	t, fmt.Sprintf("port-%d", i),	×
176	)	×
177	addresses[i] = &net.TCPAddr{	×
178	IP: ipBytes,	×
179	Port: port,	×
180	}	×
181
182	// IPv6.
183	case 1:	×
184	ipBytes := rapid.SliceOfN(rapid.Byte(), 16, 16).Draw(	×
185	t, fmt.Sprintf("ipv6-%d", i),	×
186	)	×
187	port := rapid.IntRange(1, 65535).Draw(	×
188	t, fmt.Sprintf("port-%d", i),	×
189	)	×
190	addresses[i] = &net.TCPAddr{	×
191	IP: ipBytes,	×
192	Port: port,	×
193	}	×
194	}
195	}
196
197	return addresses	×
198	}
199
200	// RandCustomRecords generates random custom TLV records.
201	func RandCustomRecords(t *rapid.T,
202	ignoreRecords fn.Set[uint64],
203	custom bool) (CustomRecords, fn.Set[uint64]) {	×
204		×
205	numRecords := rapid.IntRange(0, 5).Draw(t, "numCustomRecords")	×
206	customRecords := make(CustomRecords)	×
207		×
208	if numRecords == 0 {	×
209	return nil, nil	×
210	}	×
211
212	rangeStart := 0	×
213	rangeStop := int(CustomTypeStart)	×
214	if custom {	×
215	rangeStart = 70_000	×
216	rangeStop = 100_000	×
217	}	×
218
219	ignoreSet := fn.NewSet[uint64]()	×
220	for i := 0; i < numRecords; i++ {	×
221	recordType := uint64(	×
222	rapid.IntRange(rangeStart, rangeStop).	×
223	Filter(func(i int) bool {	×
224	return !ignoreRecords.Contains(	×
225	uint64(i),	×
226	)	×
227	}).	×
228	Draw(
229	t, fmt.Sprintf("recordType-%d", i),
230	),
231	)
232	recordLen := rapid.IntRange(4, 64).Draw(	×
233	t, fmt.Sprintf("recordLen-%d", i),	×
234	)	×
235	record := rapid.SliceOfN(	×
236	rapid.Byte(), recordLen, recordLen,	×
237	).Draw(t, fmt.Sprintf("record-%d", i))	×
238		×
239	customRecords[recordType] = record	×
240		×
241	ignoreSet.Add(recordType)	×
242	}
243
244	return customRecords, ignoreSet	×
245	}
246
247	// RandMusig2Nonce generates a random musig2 nonce.
248	func RandMusig2Nonce(t *rapid.T) Musig2Nonce {	×
249	var nonce Musig2Nonce	×
250	bytes := rapid.SliceOfN(rapid.Byte(), 32, 32).Draw(t, "nonce")	×
251	copy(nonce[:], bytes)	×
252		×
253	return nonce	×
254	}	×
255
256	// RandExtraOpaqueData generates random extra opaque data.
257	func RandExtraOpaqueData(t *rapid.T,
258	ignoreRecords fn.Set[uint64]) ExtraOpaqueData {	×
259		×
260	// Make some random records.	×
261	cRecords, _ := RandCustomRecords(t, ignoreRecords, false)	×
262	if cRecords == nil {	×
263	return ExtraOpaqueData{}	×
264	}	×
265
266	// Encode those records as opaque data.
267	recordBytes, err := cRecords.Serialize()	×
268	require.NoError(t, err)	×
269		×
270	return ExtraOpaqueData(recordBytes)	×
271	}
272
273	// RandOpaqueReason generates a random opaque reason for HTLC failures.
274	func RandOpaqueReason(t *rapid.T) OpaqueReason {	×
275	reasonLen := rapid.IntRange(32, 300).Draw(t, "reasonLen")	×
276	return rapid.SliceOfN(rapid.Byte(), reasonLen, reasonLen).Draw(	×
277	t, "opaqueReason",	×
278	)	×
279	}	×
280
281	// RandFailCode generates a random HTLC failure code.
282	func RandFailCode(t *rapid.T) FailCode {	×
283	// List of known failure codes to choose from Using only the documented	×
284	// codes.	×
285	validCodes := []FailCode{	×
286	CodeInvalidRealm,	×
287	CodeTemporaryNodeFailure,	×
288	CodePermanentNodeFailure,	×
289	CodeRequiredNodeFeatureMissing,	×
290	CodePermanentChannelFailure,	×
291	CodeRequiredChannelFeatureMissing,	×
292	CodeUnknownNextPeer,	×
293	CodeIncorrectOrUnknownPaymentDetails,	×
294	CodeIncorrectPaymentAmount,	×
295	CodeFinalExpiryTooSoon,	×
296	CodeInvalidOnionVersion,	×
297	CodeInvalidOnionHmac,	×
298	CodeInvalidOnionKey,	×
299	CodeTemporaryChannelFailure,	×
300	CodeChannelDisabled,	×
301	CodeExpiryTooSoon,	×
302	CodeMPPTimeout,	×
303	CodeInvalidOnionPayload,	×
304	CodeFeeInsufficient,	×
305	}	×
306		×
307	// Choose a random code from the list.	×
308	idx := rapid.IntRange(0, len(validCodes)-1).Draw(t, "failCodeIndex")	×
309		×
310	return validCodes[idx]	×
311	}	×
312
313	// RandSHA256Hash generates a random SHA256 hash.
314	func RandSHA256Hash(t *rapid.T) [sha256.Size]byte {	×
315	var hash [sha256.Size]byte	×
316	bytes := rapid.SliceOfN(rapid.Byte(), sha256.Size, sha256.Size).Draw(	×
317	t, "sha256Hash",	×
318	)	×
319	copy(hash[:], bytes)	×
320		×
321	return hash	×
322	}	×
323
324	// RandDeliveryAddress generates a random delivery address (script).
325	func RandDeliveryAddress(t *rapid.T) DeliveryAddress {	×
326	addrLen := rapid.IntRange(1, 34).Draw(t, "addrLen")	×
327		×
328	return rapid.SliceOfN(rapid.Byte(), addrLen, addrLen).Draw(	×
329	t, "deliveryAddress",	×
330	)	×
331	}	×
332
333	// RandChannelType generates a random channel type.
334	func RandChannelType(t rapid.T) ChannelType {	×
335	vec := RandFeatureVector(t)	×
336	chanType := ChannelType(*vec)	×
337		×
338	return &chanType	×
339	}	×
340
341	// RandLeaseExpiry generates a random lease expiry.
342	func RandLeaseExpiry(t rapid.T) LeaseExpiry {	×
343	exp := LeaseExpiry(	×
344	uint32(rapid.IntRange(1000, 1000000).Draw(t, "leaseExpiry")),	×
345	)	×
346		×
347	return &exp	×
348	}	×
349
350	// RandOutPoint generates a random transaction outpoint.
351	func RandOutPoint(t *rapid.T) wire.OutPoint {	×
352	// Generate a random transaction ID	×
353	var txid chainhash.Hash	×
354	txidBytes := rapid.SliceOfN(rapid.Byte(), 32, 32).Draw(t, "txid")	×
355	copy(txid[:], txidBytes)	×
356		×
357	// Generate a random output index	×
358	vout := uint32(rapid.IntRange(0, 10).Draw(t, "vout"))	×
359		×
360	return wire.OutPoint{	×
361	Hash: txid,	×
362	Index: vout,	×
363	}	×
364	}	×

lightningnetwork / lnd / 17011395530

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