13566028875

Committed 27 Feb 2025 12:09PM UTC coverage: 49.396% (-9.4%) from 58.748%

Build # 13566028875

Build Type

Pull #9555

github

Committed by

ellemouton

Commit Message

graph/db: populate the graph cache in Start instead of during construction

In this commit, we move the graph cache population logic out of the
ChannelGraph constructor and into its Start method instead.

Pull Request Pull Request #9555: graph: extract cache from CRUD [6]

Run Details

34 of 54 new or added lines in 4 files covered. (62.96%)

27464 existing lines in 436 files now uncovered.

101095 of 204664 relevant lines covered (49.4%)

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83.33

/lnwire/short_channel_id.go

package lnwire

import (
        "fmt"
        "io"

        "github.com/lightningnetwork/lnd/tlv"
)

const (
        // AliasScidRecordType is the type of the experimental record to denote
        // the alias being used in an option_scid_alias channel.
        AliasScidRecordType tlv.Type = 1
)

// ShortChannelID represents the set of data which is needed to retrieve all
// necessary data to validate the channel existence.
type ShortChannelID struct {
        // BlockHeight is the height of the block where funding transaction
        // located.
        //
        // NOTE: This field is limited to 3 bytes.
        BlockHeight uint32

        // TxIndex is a position of funding transaction within a block.
        //
        // NOTE: This field is limited to 3 bytes.
        TxIndex uint32

        // TxPosition indicating transaction output which pays to the channel.
        TxPosition uint16
}

// NewShortChanIDFromInt returns a new ShortChannelID which is the decoded
// version of the compact channel ID encoded within the uint64. The format of
// the compact channel ID is as follows: 3 bytes for the block height, 3 bytes
// for the transaction index, and 2 bytes for the output index.
func NewShortChanIDFromInt(chanID uint64) ShortChannelID {
        return ShortChannelID{
                BlockHeight: uint32(chanID >> 40),
                TxIndex:     uint32(chanID>>16) & 0xFFFFFF,
                TxPosition:  uint16(chanID),
        }
}

// ToUint64 converts the ShortChannelID into a compact format encoded within a
// uint64 (8 bytes).
func (c ShortChannelID) ToUint64() uint64 {
        // TODO(roasbeef): explicit error on overflow?
        return ((uint64(c.BlockHeight) << 40) | (uint64(c.TxIndex) << 16) |
                (uint64(c.TxPosition)))
}

// String generates a human-readable representation of the channel ID.
func (c ShortChannelID) String() string {
        return fmt.Sprintf("%d:%d:%d", c.BlockHeight, c.TxIndex, c.TxPosition)
}

// AltString generates a human-readable representation of the channel ID
// with 'x' as a separator.
func (c ShortChannelID) AltString() string {
        return fmt.Sprintf("%dx%dx%d", c.BlockHeight, c.TxIndex, c.TxPosition)
}

// Record returns a TLV record that can be used to encode/decode a
// ShortChannelID to/from a TLV stream.
func (c *ShortChannelID) Record() tlv.Record {
        return tlv.MakeStaticRecord(
                AliasScidRecordType, c, 8, EShortChannelID, DShortChannelID,
        )
}

// IsDefault returns true if the ShortChannelID represents the zero value for
// its type.
func (c ShortChannelID) IsDefault() bool {
        return c == ShortChannelID{}
}

// EShortChannelID is an encoder for ShortChannelID. It is exported so other
// packages can use the encoding scheme.
func EShortChannelID(w io.Writer, val interface{}, buf *[8]byte) error {
        if v, ok := val.(*ShortChannelID); ok {
                return tlv.EUint64T(w, v.ToUint64(), buf)
        }
        return tlv.NewTypeForEncodingErr(val, "lnwire.ShortChannelID")
}

// DShortChannelID is a decoder for ShortChannelID. It is exported so other
// packages can use the decoding scheme.
func DShortChannelID(r io.Reader, val interface{}, buf *[8]byte,
        l uint64) error {

        if v, ok := val.(*ShortChannelID); ok {
                var scid uint64
                err := tlv.DUint64(r, &scid, buf, 8)
                if err != nil {
                        return err
                }

                *v = NewShortChanIDFromInt(scid)
                return nil
        }
        return tlv.NewTypeForDecodingErr(val, "lnwire.ShortChannelID", l, 8)
}

1	package lnwire
2
3	import (
4	"fmt"
5	"io"
6
7	"github.com/lightningnetwork/lnd/tlv"
8	)
9
10	const (
11	// AliasScidRecordType is the type of the experimental record to denote
12	// the alias being used in an option_scid_alias channel.
13	AliasScidRecordType tlv.Type = 1
14	)
15
16	// ShortChannelID represents the set of data which is needed to retrieve all
17	// necessary data to validate the channel existence.
18	type ShortChannelID struct {
19	// BlockHeight is the height of the block where funding transaction
20	// located.
21	//
22	// NOTE: This field is limited to 3 bytes.
23	BlockHeight uint32
24
25	// TxIndex is a position of funding transaction within a block.
26	//
27	// NOTE: This field is limited to 3 bytes.
28	TxIndex uint32
29
30	// TxPosition indicating transaction output which pays to the channel.
31	TxPosition uint16
32	}
33
34	// NewShortChanIDFromInt returns a new ShortChannelID which is the decoded
35	// version of the compact channel ID encoded within the uint64. The format of
36	// the compact channel ID is as follows: 3 bytes for the block height, 3 bytes
37	// for the transaction index, and 2 bytes for the output index.
38	func NewShortChanIDFromInt(chanID uint64) ShortChannelID {	3✔
39	return ShortChannelID{	3✔
40	BlockHeight: uint32(chanID >> 40),	3✔
41	TxIndex: uint32(chanID>>16) & 0xFFFFFF,	3✔
42	TxPosition: uint16(chanID),	3✔
43	}	3✔
44	}	3✔
45
46	// ToUint64 converts the ShortChannelID into a compact format encoded within a
47	// uint64 (8 bytes).
48	func (c ShortChannelID) ToUint64() uint64 {	3✔
49	// TODO(roasbeef): explicit error on overflow?	3✔
50	return ((uint64(c.BlockHeight) << 40) \| (uint64(c.TxIndex) << 16) \|	3✔
51	(uint64(c.TxPosition)))	3✔
52	}	3✔
53
54	// String generates a human-readable representation of the channel ID.
55	func (c ShortChannelID) String() string {	3✔
56	return fmt.Sprintf("%d:%d:%d", c.BlockHeight, c.TxIndex, c.TxPosition)	3✔
57	}	3✔
58
59	// AltString generates a human-readable representation of the channel ID
60	// with 'x' as a separator.
UNCOV 61	func (c ShortChannelID) AltString() string {	×
UNCOV 62	return fmt.Sprintf("%dx%dx%d", c.BlockHeight, c.TxIndex, c.TxPosition)	×
UNCOV 63	}	×
64
65	// Record returns a TLV record that can be used to encode/decode a
66	// ShortChannelID to/from a TLV stream.
67	func (c *ShortChannelID) Record() tlv.Record {	3✔
68	return tlv.MakeStaticRecord(	3✔
69	AliasScidRecordType, c, 8, EShortChannelID, DShortChannelID,	3✔
70	)	3✔
71	}	3✔
72
73	// IsDefault returns true if the ShortChannelID represents the zero value for
74	// its type.
75	func (c ShortChannelID) IsDefault() bool {	3✔
76	return c == ShortChannelID{}	3✔
77	}	3✔
78
79	// EShortChannelID is an encoder for ShortChannelID. It is exported so other
80	// packages can use the encoding scheme.
81	func EShortChannelID(w io.Writer, val interface{}, buf *[8]byte) error {	3✔
82	if v, ok := val.(*ShortChannelID); ok {	6✔
83	return tlv.EUint64T(w, v.ToUint64(), buf)	3✔
84	}	3✔
85	return tlv.NewTypeForEncodingErr(val, "lnwire.ShortChannelID")	×
86	}
87
88	// DShortChannelID is a decoder for ShortChannelID. It is exported so other
89	// packages can use the decoding scheme.
90	func DShortChannelID(r io.Reader, val interface{}, buf *[8]byte,
91	l uint64) error {	3✔
92		3✔
93	if v, ok := val.(*ShortChannelID); ok {	6✔
94	var scid uint64	3✔
95	err := tlv.DUint64(r, &scid, buf, 8)	3✔
96	if err != nil {	3✔
UNCOV 97	return err	×
UNCOV 98	}	×
99
100	*v = NewShortChanIDFromInt(scid)	3✔
101	return nil	3✔
102	}
103	return tlv.NewTypeForDecodingErr(val, "lnwire.ShortChannelID", l, 8)	×
104	}

lightningnetwork / lnd / 13566028875

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