16152866413

Committed 08 Jul 2025 07:44PM UTC coverage: 57.72% (-9.8%) from 67.503%

Build # 16152866413

Build Type

Pull #10015

github

Committed by

web-flow

Commit Message

Merge f6affb695 into 47dce0894

Pull Request Pull Request #10015: graph/db: add zombie channels cleanup routine

Run Details

32 of 63 new or added lines in 2 files covered. (50.79%)

28432 existing lines in 455 files now uncovered.

98528 of 170699 relevant lines covered (57.72%)

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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
        }

        var extra ExtraOpaqueData
        err := extra.PackRecords(dynProposeRecords(&dc.DynPropose)...)
        if err != nil {
                return err
        }
        dc.ExtraData = extra

        return WriteBytes(w, dc.ExtraData)
}

// 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, uint64]
        var maxValue tlv.RecordT[tlv.TlvType2, uint64]
        var htlcMin tlv.RecordT[tlv.TlvType4, uint64]
        var reserve tlv.RecordT[tlv.TlvType6, uint64]
        csvDelay := dc.CsvDelay.Zero()
        maxHtlcs := dc.MaxAcceptedHTLCs.Zero()
        chanType := dc.ChannelType.Zero()

        typeMap, err := tlvRecords.ExtractRecords(
                &dustLimit, &maxValue, &htlcMin, &reserve, &csvDelay, &maxHtlcs,
                &chanType,
        )
        if err != nil {
                return err
        }

        // Check the results of the TLV Stream decoding and appropriately set
        // message fields.
        if val, ok := typeMap[dc.DustLimit.TlvType()]; ok && val == nil {
                var rec tlv.RecordT[tlv.TlvType0, btcutil.Amount]
                rec.Val = btcutil.Amount(dustLimit.Val)
                dc.DustLimit = tlv.SomeRecordT(rec)
        }
        if val, ok := typeMap[dc.MaxValueInFlight.TlvType()]; ok && val == nil {
                var rec tlv.RecordT[tlv.TlvType2, MilliSatoshi]
                rec.Val = MilliSatoshi(maxValue.Val)
                dc.MaxValueInFlight = tlv.SomeRecordT(rec)
        }
        if val, ok := typeMap[dc.HtlcMinimum.TlvType()]; ok && val == nil {
                var rec tlv.RecordT[tlv.TlvType4, MilliSatoshi]
                rec.Val = MilliSatoshi(htlcMin.Val)
                dc.HtlcMinimum = tlv.SomeRecordT(rec)
        }
        if val, ok := typeMap[dc.ChannelReserve.TlvType()]; ok && val == nil {
                var rec tlv.RecordT[tlv.TlvType6, btcutil.Amount]
                rec.Val = btcutil.Amount(reserve.Val)
                dc.ChannelReserve = tlv.SomeRecordT(rec)
        }
        if val, ok := typeMap[dc.CsvDelay.TlvType()]; ok && val == nil {
                dc.CsvDelay = tlv.SomeRecordT(csvDelay)
        }
        if val, ok := typeMap[dc.MaxAcceptedHTLCs.TlvType()]; ok && val == nil {
                dc.MaxAcceptedHTLCs = tlv.SomeRecordT(maxHtlcs)
        }
        if val, ok := typeMap[dc.ChannelType.TlvType()]; ok && val == nil {
                dc.ChannelType = tlv.SomeRecordT(chanType)
        }

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

        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
UNCOV 49	var extra ExtraOpaqueData	×
UNCOV 50	err := extra.PackRecords(dynProposeRecords(&dc.DynPropose)...)	×
UNCOV 51	if err != nil {	×
52	return err	×
53	}	×
UNCOV 54	dc.ExtraData = extra	×
UNCOV 55		×
UNCOV 56	return WriteBytes(w, dc.ExtraData)	×
57	}
58
59	// Decode deserializes the serialized DynCommit stored in the passed io.Reader
60	// into the target DynAck using the deserialization rules defined by the passed
61	// protocol version.
62	//
63	// This is a part of the lnwire.Message interface.
UNCOV 64	func (dc *DynCommit) Decode(r io.Reader, _ uint32) error {	×
UNCOV 65	// Parse out main message.	×
UNCOV 66	if err := ReadElements(r, &dc.DynPropose.ChanID, &dc.Sig); err != nil {	×
67	return err	×
68	}	×
UNCOV 69	dc.DynAck.ChanID = dc.DynPropose.ChanID	×
UNCOV 70		×
UNCOV 71	// Parse out TLV records.	×
UNCOV 72	var tlvRecords ExtraOpaqueData	×
UNCOV 73	if err := ReadElement(r, &tlvRecords); err != nil {	×
74	return err	×
75	}	×
76
77	// Prepare receiving buffers to be filled by TLV extraction.
UNCOV 78	var dustLimit tlv.RecordT[tlv.TlvType0, uint64]	×
UNCOV 79	var maxValue tlv.RecordT[tlv.TlvType2, uint64]	×
UNCOV 80	var htlcMin tlv.RecordT[tlv.TlvType4, uint64]	×
UNCOV 81	var reserve tlv.RecordT[tlv.TlvType6, uint64]	×
UNCOV 82	csvDelay := dc.CsvDelay.Zero()	×
UNCOV 83	maxHtlcs := dc.MaxAcceptedHTLCs.Zero()	×
UNCOV 84	chanType := dc.ChannelType.Zero()	×
UNCOV 85		×
UNCOV 86	typeMap, err := tlvRecords.ExtractRecords(	×
UNCOV 87	&dustLimit, &maxValue, &htlcMin, &reserve, &csvDelay, &maxHtlcs,	×
UNCOV 88	&chanType,	×
UNCOV 89	)	×
UNCOV 90	if err != nil {	×
91	return err	×
92	}	×
93
94	// Check the results of the TLV Stream decoding and appropriately set
95	// message fields.
UNCOV 96	if val, ok := typeMap[dc.DustLimit.TlvType()]; ok && val == nil {	×
UNCOV 97	var rec tlv.RecordT[tlv.TlvType0, btcutil.Amount]	×
UNCOV 98	rec.Val = btcutil.Amount(dustLimit.Val)	×
UNCOV 99	dc.DustLimit = tlv.SomeRecordT(rec)	×
UNCOV 100	}	×
UNCOV 101	if val, ok := typeMap[dc.MaxValueInFlight.TlvType()]; ok && val == nil {	×
UNCOV 102	var rec tlv.RecordT[tlv.TlvType2, MilliSatoshi]	×
UNCOV 103	rec.Val = MilliSatoshi(maxValue.Val)	×
UNCOV 104	dc.MaxValueInFlight = tlv.SomeRecordT(rec)	×
UNCOV 105	}	×
UNCOV 106	if val, ok := typeMap[dc.HtlcMinimum.TlvType()]; ok && val == nil {	×
107	var rec tlv.RecordT[tlv.TlvType4, MilliSatoshi]	×
108	rec.Val = MilliSatoshi(htlcMin.Val)	×
109	dc.HtlcMinimum = tlv.SomeRecordT(rec)	×
110	}	×
UNCOV 111	if val, ok := typeMap[dc.ChannelReserve.TlvType()]; ok && val == nil {	×
UNCOV 112	var rec tlv.RecordT[tlv.TlvType6, btcutil.Amount]	×
UNCOV 113	rec.Val = btcutil.Amount(reserve.Val)	×
UNCOV 114	dc.ChannelReserve = tlv.SomeRecordT(rec)	×
UNCOV 115	}	×
UNCOV 116	if val, ok := typeMap[dc.CsvDelay.TlvType()]; ok && val == nil {	×
UNCOV 117	dc.CsvDelay = tlv.SomeRecordT(csvDelay)	×
UNCOV 118	}	×
UNCOV 119	if val, ok := typeMap[dc.MaxAcceptedHTLCs.TlvType()]; ok && val == nil {	×
UNCOV 120	dc.MaxAcceptedHTLCs = tlv.SomeRecordT(maxHtlcs)	×
UNCOV 121	}	×
UNCOV 122	if val, ok := typeMap[dc.ChannelType.TlvType()]; ok && val == nil {	×
UNCOV 123	dc.ChannelType = tlv.SomeRecordT(chanType)	×
UNCOV 124	}	×
125
UNCOV 126	if len(tlvRecords) != 0 {	×
UNCOV 127	dc.ExtraData = tlvRecords	×
UNCOV 128	}	×
129
UNCOV 130	return nil	×
131	}
132
133	// MsgType returns the MessageType code which uniquely identifies this message
134	// as a DynCommit on the wire.
135	//
136	// This is part of the lnwire.Message interface.
UNCOV 137	func (dc *DynCommit) MsgType() MessageType {	×
UNCOV 138	return MsgDynCommit	×
UNCOV 139	}	×
140
141	// SerializedSize returns the serialized size of the message in bytes.
142	//
143	// This is part of the lnwire.SizeableMessage interface.
144	func (dc *DynCommit) SerializedSize() (uint32, error) {	×
145	return MessageSerializedSize(dc)	×
146	}	×

lightningnetwork / lnd / 16152866413

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