17027244024

Committed 17 Aug 2025 11:32PM UTC coverage: 57.287% (-9.5%) from 66.765%

Build # 17027244024

Build Type

Pull #10167

github

Committed by

web-flow

Commit Message

Merge fcb4f4303 into fb1adfc21

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

Run Details

3 of 18 new or added lines in 6 files covered. (16.67%)

28537 existing lines in 457 files now uncovered.

99094 of 172978 relevant lines covered (57.29%)

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0.0

/lnwire/dyn_commit.go

package lnwire

import (
        "bytes"
        "io"

        "github.com/btcsuite/btcd/btcutil"
        "github.com/lightningnetwork/lnd/tlv"
)

// DynCommit is a composite message that is used to irrefutably execute a
// dynamic commitment update.
type DynCommit struct {
        // DynPropose is an embedded version of the original DynPropose message
        // that initiated this negotiation.
        DynPropose

        // DynAck is an embedded version of the original DynAck message that
        // countersigned this negotiation.
        DynAck

        // ExtraData is the set of data that was appended to this message to
        // fill out the full maximum transport message size. These fields can
        // be used to specify optional data such as custom TLV fields.
        ExtraData ExtraOpaqueData
}

// A compile time check to ensure DynCommit implements the lnwire.Message
// interface.
var _ Message = (*DynCommit)(nil)

// A compile time check to ensure DynCommit implements the
// lnwire.SizeableMessage interface.
var _ SizeableMessage = (*DynCommit)(nil)

// Encode serializes the target DynAck into the passed io.Writer. Serialization
// will observe the rules defined by the passed protocol version.
//
// This is a part of the lnwire.Message interface.
func (dc *DynCommit) Encode(w *bytes.Buffer, _ uint32) error {
        if err := WriteChannelID(w, dc.DynPropose.ChanID); err != nil {
                return err
        }

        if err := WriteSig(w, dc.Sig); err != nil {
                return err
        }

        // Create extra data records.
        producers, err := dc.ExtraData.RecordProducers()
        if err != nil {
                return err
        }

        // Append the known records.
        producers = append(producers, dynProposeRecords(&dc.DynPropose)...)
        dc.LocalNonce.WhenSome(
                func(rec tlv.RecordT[tlv.TlvType14, Musig2Nonce]) {
                        producers = append(producers, &rec)
                },
        )

        // Encode all known records.
        var tlvData ExtraOpaqueData
        err = tlvData.PackRecords(producers...)
        if err != nil {
                return err
        }

        return WriteBytes(w, tlvData)
}

// Decode deserializes the serialized DynCommit stored in the passed io.Reader
// into the target DynAck using the deserialization rules defined by the passed
// protocol version.
//
// This is a part of the lnwire.Message interface.
func (dc *DynCommit) Decode(r io.Reader, _ uint32) error {
        // Parse out main message.
        if err := ReadElements(r, &dc.DynPropose.ChanID, &dc.Sig); err != nil {
                return err
        }
        dc.DynAck.ChanID = dc.DynPropose.ChanID

        // Parse out TLV records.
        var tlvRecords ExtraOpaqueData
        if err := ReadElement(r, &tlvRecords); err != nil {
                return err
        }

        // Prepare receiving buffers to be filled by TLV extraction.
        var dustLimit tlv.RecordT[tlv.TlvType0, tlv.BigSizeT[btcutil.Amount]]
        var maxValue tlv.RecordT[tlv.TlvType2, MilliSatoshi]
        var htlcMin tlv.RecordT[tlv.TlvType4, MilliSatoshi]
        var reserve tlv.RecordT[tlv.TlvType6, tlv.BigSizeT[btcutil.Amount]]
        csvDelay := dc.CsvDelay.Zero()
        maxHtlcs := dc.MaxAcceptedHTLCs.Zero()
        chanType := dc.ChannelType.Zero()
        nonce := dc.LocalNonce.Zero()

        // Parse all known records and extra data.
        knownRecords, extraData, err := ParseAndExtractExtraData(
                tlvRecords, &dustLimit, &maxValue, &htlcMin, &reserve,
                &csvDelay, &maxHtlcs, &chanType, &nonce,
        )
        if err != nil {
                return err
        }

        // Check the results of the TLV Stream decoding and appropriately set
        // message fields.
        if _, ok := knownRecords[dc.DustLimit.TlvType()]; ok {
                dc.DustLimit = tlv.SomeRecordT(dustLimit)
        }
        if _, ok := knownRecords[dc.MaxValueInFlight.TlvType()]; ok {
                dc.MaxValueInFlight = tlv.SomeRecordT(maxValue)
        }
        if _, ok := knownRecords[dc.HtlcMinimum.TlvType()]; ok {
                dc.HtlcMinimum = tlv.SomeRecordT(htlcMin)
        }
        if _, ok := knownRecords[dc.ChannelReserve.TlvType()]; ok {
                dc.ChannelReserve = tlv.SomeRecordT(reserve)
        }
        if _, ok := knownRecords[dc.CsvDelay.TlvType()]; ok {
                dc.CsvDelay = tlv.SomeRecordT(csvDelay)
        }
        if _, ok := knownRecords[dc.MaxAcceptedHTLCs.TlvType()]; ok {
                dc.MaxAcceptedHTLCs = tlv.SomeRecordT(maxHtlcs)
        }
        if _, ok := knownRecords[dc.ChannelType.TlvType()]; ok {
                dc.ChannelType = tlv.SomeRecordT(chanType)
        }
        if _, ok := knownRecords[dc.LocalNonce.TlvType()]; ok {
                dc.LocalNonce = tlv.SomeRecordT(nonce)
        }

        dc.ExtraData = extraData

        return nil
}

// MsgType returns the MessageType code which uniquely identifies this message
// as a DynCommit on the wire.
//
// This is part of the lnwire.Message interface.
func (dc *DynCommit) MsgType() MessageType {
        return MsgDynCommit
}

// SerializedSize returns the serialized size of the message in bytes.
//
// This is part of the lnwire.SizeableMessage interface.
func (dc *DynCommit) SerializedSize() (uint32, error) {
        return MessageSerializedSize(dc)
}

1	package lnwire
2
3	import (
4	"bytes"
5	"io"
6
7	"github.com/btcsuite/btcd/btcutil"
8	"github.com/lightningnetwork/lnd/tlv"
9	)
10
11	// DynCommit is a composite message that is used to irrefutably execute a
12	// dynamic commitment update.
13	type DynCommit struct {
14	// DynPropose is an embedded version of the original DynPropose message
15	// that initiated this negotiation.
16	DynPropose
17
18	// DynAck is an embedded version of the original DynAck message that
19	// countersigned this negotiation.
20	DynAck
21
22	// ExtraData is the set of data that was appended to this message to
23	// fill out the full maximum transport message size. These fields can
24	// be used to specify optional data such as custom TLV fields.
25	ExtraData ExtraOpaqueData
26	}
27
28	// A compile time check to ensure DynCommit implements the lnwire.Message
29	// interface.
30	var _ Message = (*DynCommit)(nil)
31
32	// A compile time check to ensure DynCommit implements the
33	// lnwire.SizeableMessage interface.
34	var _ SizeableMessage = (*DynCommit)(nil)
35
36	// Encode serializes the target DynAck into the passed io.Writer. Serialization
37	// will observe the rules defined by the passed protocol version.
38	//
39	// This is a part of the lnwire.Message interface.
UNCOV 40	func (dc DynCommit) Encode(w bytes.Buffer, _ uint32) error {	×
UNCOV 41	if err := WriteChannelID(w, dc.DynPropose.ChanID); err != nil {	×
42	return err	×
43	}	×
44
UNCOV 45	if err := WriteSig(w, dc.Sig); err != nil {	×
46	return err	×
47	}	×
48
49	// Create extra data records.
UNCOV 50	producers, err := dc.ExtraData.RecordProducers()	×
UNCOV 51	if err != nil {	×
52	return err	×
53	}	×
54
55	// Append the known records.
UNCOV 56	producers = append(producers, dynProposeRecords(&dc.DynPropose)...)	×
UNCOV 57	dc.LocalNonce.WhenSome(	×
UNCOV 58	func(rec tlv.RecordT[tlv.TlvType14, Musig2Nonce]) {	×
UNCOV 59	producers = append(producers, &rec)	×
UNCOV 60	},	×
61	)
62
63	// Encode all known records.
UNCOV 64	var tlvData ExtraOpaqueData	×
UNCOV 65	err = tlvData.PackRecords(producers...)	×
UNCOV 66	if err != nil {	×
67	return err	×
68	}	×
69
UNCOV 70	return WriteBytes(w, tlvData)	×
71	}
72
73	// Decode deserializes the serialized DynCommit stored in the passed io.Reader
74	// into the target DynAck using the deserialization rules defined by the passed
75	// protocol version.
76	//
77	// This is a part of the lnwire.Message interface.
UNCOV 78	func (dc *DynCommit) Decode(r io.Reader, _ uint32) error {	×
UNCOV 79	// Parse out main message.	×
UNCOV 80	if err := ReadElements(r, &dc.DynPropose.ChanID, &dc.Sig); err != nil {	×
81	return err	×
82	}	×
UNCOV 83	dc.DynAck.ChanID = dc.DynPropose.ChanID	×
UNCOV 84		×
UNCOV 85	// Parse out TLV records.	×
UNCOV 86	var tlvRecords ExtraOpaqueData	×
UNCOV 87	if err := ReadElement(r, &tlvRecords); err != nil {	×
88	return err	×
89	}	×
90
91	// Prepare receiving buffers to be filled by TLV extraction.
UNCOV 92	var dustLimit tlv.RecordT[tlv.TlvType0, tlv.BigSizeT[btcutil.Amount]]	×
UNCOV 93	var maxValue tlv.RecordT[tlv.TlvType2, MilliSatoshi]	×
UNCOV 94	var htlcMin tlv.RecordT[tlv.TlvType4, MilliSatoshi]	×
UNCOV 95	var reserve tlv.RecordT[tlv.TlvType6, tlv.BigSizeT[btcutil.Amount]]	×
UNCOV 96	csvDelay := dc.CsvDelay.Zero()	×
UNCOV 97	maxHtlcs := dc.MaxAcceptedHTLCs.Zero()	×
UNCOV 98	chanType := dc.ChannelType.Zero()	×
UNCOV 99	nonce := dc.LocalNonce.Zero()	×
UNCOV 100		×
UNCOV 101	// Parse all known records and extra data.	×
UNCOV 102	knownRecords, extraData, err := ParseAndExtractExtraData(	×
UNCOV 103	tlvRecords, &dustLimit, &maxValue, &htlcMin, &reserve,	×
UNCOV 104	&csvDelay, &maxHtlcs, &chanType, &nonce,	×
UNCOV 105	)	×
UNCOV 106	if err != nil {	×
107	return err	×
108	}	×
109
110	// Check the results of the TLV Stream decoding and appropriately set
111	// message fields.
UNCOV 112	if _, ok := knownRecords[dc.DustLimit.TlvType()]; ok {	×
UNCOV 113	dc.DustLimit = tlv.SomeRecordT(dustLimit)	×
UNCOV 114	}	×
UNCOV 115	if _, ok := knownRecords[dc.MaxValueInFlight.TlvType()]; ok {	×
UNCOV 116	dc.MaxValueInFlight = tlv.SomeRecordT(maxValue)	×
UNCOV 117	}	×
UNCOV 118	if _, ok := knownRecords[dc.HtlcMinimum.TlvType()]; ok {	×
UNCOV 119	dc.HtlcMinimum = tlv.SomeRecordT(htlcMin)	×
UNCOV 120	}	×
UNCOV 121	if _, ok := knownRecords[dc.ChannelReserve.TlvType()]; ok {	×
UNCOV 122	dc.ChannelReserve = tlv.SomeRecordT(reserve)	×
UNCOV 123	}	×
UNCOV 124	if _, ok := knownRecords[dc.CsvDelay.TlvType()]; ok {	×
UNCOV 125	dc.CsvDelay = tlv.SomeRecordT(csvDelay)	×
UNCOV 126	}	×
UNCOV 127	if _, ok := knownRecords[dc.MaxAcceptedHTLCs.TlvType()]; ok {	×
UNCOV 128	dc.MaxAcceptedHTLCs = tlv.SomeRecordT(maxHtlcs)	×
UNCOV 129	}	×
UNCOV 130	if _, ok := knownRecords[dc.ChannelType.TlvType()]; ok {	×
UNCOV 131	dc.ChannelType = tlv.SomeRecordT(chanType)	×
UNCOV 132	}	×
UNCOV 133	if _, ok := knownRecords[dc.LocalNonce.TlvType()]; ok {	×
UNCOV 134	dc.LocalNonce = tlv.SomeRecordT(nonce)	×
UNCOV 135	}	×
136
UNCOV 137	dc.ExtraData = extraData	×
UNCOV 138		×
UNCOV 139	return nil	×
140	}
141
142	// MsgType returns the MessageType code which uniquely identifies this message
143	// as a DynCommit on the wire.
144	//
145	// This is part of the lnwire.Message interface.
UNCOV 146	func (dc *DynCommit) MsgType() MessageType {	×
UNCOV 147	return MsgDynCommit	×
UNCOV 148	}	×
149
150	// SerializedSize returns the serialized size of the message in bytes.
151	//
152	// This is part of the lnwire.SizeableMessage interface.
153	func (dc *DynCommit) SerializedSize() (uint32, error) {	×
154	return MessageSerializedSize(dc)	×
155	}	×

lightningnetwork / lnd / 17027244024

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