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

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84.85

/lnwire/dyn_ack.go

package lnwire

import (
        "bytes"
        "io"

        "github.com/btcsuite/btcd/btcec/v2/schnorr/musig2"
        "github.com/lightningnetwork/lnd/fn/v2"
        "github.com/lightningnetwork/lnd/tlv"
)

const (
        // DALocalMusig2Pubnonce is the TLV type number that identifies the
        // musig2 public nonce that we need to verify the commitment transaction
        // signature.
        DALocalMusig2Pubnonce tlv.Type = 0
)

// DynAck is the message used to accept the parameters of a dynamic commitment
// negotiation. Additional optional parameters will need to be present depending
// on the details of the dynamic commitment upgrade.
type DynAck struct {
        // ChanID is the ChannelID of the channel that is currently undergoing
        // a dynamic commitment negotiation
        ChanID ChannelID

        // LocalNonce is an optional field that is transmitted when accepting
        // a dynamic commitment upgrade to Taproot Channels. This nonce will be
        // used to verify the first commitment transaction signature. This will
        // only be populated if the DynPropose we are responding to specifies
        // taproot channels in the ChannelType field.
        LocalNonce fn.Option[Musig2Nonce]

        // 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 DynAck implements the lnwire.Message
// interface.
var _ Message = (*DynAck)(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 (da *DynAck) Encode(w *bytes.Buffer, _ uint32) error {
        if err := WriteChannelID(w, da.ChanID); err != nil {
                return err
        }

        var tlvRecords []tlv.Record
        da.LocalNonce.WhenSome(func(nonce Musig2Nonce) {
                tlvRecords = append(
                        tlvRecords, tlv.MakeStaticRecord(
                                DALocalMusig2Pubnonce, &nonce,
                                musig2.PubNonceSize, nonceTypeEncoder,
                                nonceTypeDecoder,
                        ),
                )
        })
        tlv.SortRecords(tlvRecords)

        tlvStream, err := tlv.NewStream(tlvRecords...)
        if err != nil {
                return err
        }

        var extraBytesWriter bytes.Buffer
        if err := tlvStream.Encode(&extraBytesWriter); err != nil {
                return err
        }

        da.ExtraData = ExtraOpaqueData(extraBytesWriter.Bytes())

        return WriteBytes(w, da.ExtraData)
}

// Decode deserializes the serialized DynAck 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 (da *DynAck) Decode(r io.Reader, _ uint32) error {
        // Parse out main message.
        if err := ReadElements(r, &da.ChanID); err != nil {
                return err
        }

        // 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 localNonceScratch Musig2Nonce
        localNonce := tlv.MakeStaticRecord(
                DALocalMusig2Pubnonce, &localNonceScratch, musig2.PubNonceSize,
                nonceTypeEncoder, nonceTypeDecoder,
        )

        // Create set of Records to read TLV bytestream into.
        records := []tlv.Record{localNonce}
        tlv.SortRecords(records)

        // Read TLV stream into record set.
        extraBytesReader := bytes.NewReader(tlvRecords)
        tlvStream, err := tlv.NewStream(records...)
        if err != nil {
                return err
        }
        typeMap, err := tlvStream.DecodeWithParsedTypesP2P(extraBytesReader)
        if err != nil {
                return err
        }

        // Check the results of the TLV Stream decoding and appropriately set
        // message fields.
        if val, ok := typeMap[DALocalMusig2Pubnonce]; ok && val == nil {
                da.LocalNonce = fn.Some(localNonceScratch)
        }

        if len(tlvRecords) != 0 {
                da.ExtraData = tlvRecords
        }

        return nil
}

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

1	package lnwire
2
3	import (
4	"bytes"
5	"io"
6
7	"github.com/btcsuite/btcd/btcec/v2/schnorr/musig2"
8	"github.com/lightningnetwork/lnd/fn/v2"
9	"github.com/lightningnetwork/lnd/tlv"
10	)
11
12	const (
13	// DALocalMusig2Pubnonce is the TLV type number that identifies the
14	// musig2 public nonce that we need to verify the commitment transaction
15	// signature.
16	DALocalMusig2Pubnonce tlv.Type = 0
17	)
18
19	// DynAck is the message used to accept the parameters of a dynamic commitment
20	// negotiation. Additional optional parameters will need to be present depending
21	// on the details of the dynamic commitment upgrade.
22	type DynAck struct {
23	// ChanID is the ChannelID of the channel that is currently undergoing
24	// a dynamic commitment negotiation
25	ChanID ChannelID
26
27	// LocalNonce is an optional field that is transmitted when accepting
28	// a dynamic commitment upgrade to Taproot Channels. This nonce will be
29	// used to verify the first commitment transaction signature. This will
30	// only be populated if the DynPropose we are responding to specifies
31	// taproot channels in the ChannelType field.
32	LocalNonce fn.Option[Musig2Nonce]
33
34	// ExtraData is the set of data that was appended to this message to
35	// fill out the full maximum transport message size. These fields can
36	// be used to specify optional data such as custom TLV fields.
37	ExtraData ExtraOpaqueData
38	}
39
40	// A compile time check to ensure DynAck implements the lnwire.Message
41	// interface.
42	var _ Message = (*DynAck)(nil)
43
44	// Encode serializes the target DynAck into the passed io.Writer. Serialization
45	// will observe the rules defined by the passed protocol version.
46	//
47	// This is a part of the lnwire.Message interface.
48	func (da DynAck) Encode(w bytes.Buffer, _ uint32) error {	111✔
49	if err := WriteChannelID(w, da.ChanID); err != nil {	111✔
50	return err	×
51	}	×
52
53	var tlvRecords []tlv.Record	111✔
54	da.LocalNonce.WhenSome(func(nonce Musig2Nonce) {	165✔
55	tlvRecords = append(	54✔
56	tlvRecords, tlv.MakeStaticRecord(	54✔
57	DALocalMusig2Pubnonce, &nonce,	54✔
58	musig2.PubNonceSize, nonceTypeEncoder,	54✔
59	nonceTypeDecoder,	54✔
60	),	54✔
61	)	54✔
62	})	54✔
63	tlv.SortRecords(tlvRecords)	111✔
64		111✔
65	tlvStream, err := tlv.NewStream(tlvRecords...)	111✔
66	if err != nil {	111✔
67	return err	×
68	}	×
69
70	var extraBytesWriter bytes.Buffer	111✔
71	if err := tlvStream.Encode(&extraBytesWriter); err != nil {	111✔
72	return err	×
73	}	×
74
75	da.ExtraData = ExtraOpaqueData(extraBytesWriter.Bytes())	111✔
76		111✔
77	return WriteBytes(w, da.ExtraData)	111✔
78	}
79
80	// Decode deserializes the serialized DynAck stored in the passed io.Reader into
81	// the target DynAck using the deserialization rules defined by the passed
82	// protocol version.
83	//
84	// This is a part of the lnwire.Message interface.
85	func (da *DynAck) Decode(r io.Reader, _ uint32) error {	165✔
86	// Parse out main message.	165✔
87	if err := ReadElements(r, &da.ChanID); err != nil {	167✔
88	return err	2✔
89	}	2✔
90
91	// Parse out TLV records.
92	var tlvRecords ExtraOpaqueData	163✔
93	if err := ReadElement(r, &tlvRecords); err != nil {	163✔
94	return err	×
95	}	×
96
97	// Prepare receiving buffers to be filled by TLV extraction.
98	var localNonceScratch Musig2Nonce	163✔
99	localNonce := tlv.MakeStaticRecord(	163✔
100	DALocalMusig2Pubnonce, &localNonceScratch, musig2.PubNonceSize,	163✔
101	nonceTypeEncoder, nonceTypeDecoder,	163✔
102	)	163✔
103		163✔
104	// Create set of Records to read TLV bytestream into.	163✔
105	records := []tlv.Record{localNonce}	163✔
106	tlv.SortRecords(records)	163✔
107		163✔
108	// Read TLV stream into record set.	163✔
109	extraBytesReader := bytes.NewReader(tlvRecords)	163✔
110	tlvStream, err := tlv.NewStream(records...)	163✔
111	if err != nil {	163✔
112	return err	×
113	}	×
114	typeMap, err := tlvStream.DecodeWithParsedTypesP2P(extraBytesReader)	163✔
115	if err != nil {	204✔
116	return err	41✔
117	}	41✔
118
119	// Check the results of the TLV Stream decoding and appropriately set
120	// message fields.
121	if val, ok := typeMap[DALocalMusig2Pubnonce]; ok && val == nil {	183✔
122	da.LocalNonce = fn.Some(localNonceScratch)	61✔
123	}	61✔
124
125	if len(tlvRecords) != 0 {	186✔
126	da.ExtraData = tlvRecords	64✔
127	}	64✔
128
129	return nil	122✔
130	}
131
132	// MsgType returns the MessageType code which uniquely identifies this message
133	// as a DynAck on the wire.
134	//
135	// This is part of the lnwire.Message interface.
136	func (da *DynAck) MsgType() MessageType {	111✔
137	return MsgDynAck	111✔
138	}	111✔

lightningnetwork / lnd / 13586005509

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