13593508312

Committed 28 Feb 2025 05:41PM UTC coverage: 58.287% (-10.4%) from 68.65%

Build # 13593508312

Build Type

Pull #9458

github

Committed by

web-flow

Commit Message

Merge d40067c0c into f1182e433

Pull Request Pull Request #9458: multi+server.go: add initial permissions for some peers

Run Details

346 of 548 new or added lines in 10 files covered. (63.14%)

27412 existing lines in 442 files now uncovered.

94709 of 162488 relevant lines covered (58.29%)

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59.09

/lnwire/node_announcement.go

package lnwire

import (
        "bytes"
        "fmt"
        "image/color"
        "io"
        "net"
        "unicode/utf8"
)

// ErrUnknownAddrType is an error returned if we encounter an unknown address type
// when parsing addresses.
type ErrUnknownAddrType struct {
        addrType addressType
}

// Error returns a human readable string describing the error.
//
// NOTE: implements the error interface.
func (e ErrUnknownAddrType) Error() string {
        return fmt.Sprintf("unknown address type: %v", e.addrType)
}

// ErrInvalidNodeAlias is an error returned if a node alias we parse on the
// wire is invalid, as in it has non UTF-8 characters.
type ErrInvalidNodeAlias struct{}

// Error returns a human readable string describing the error.
//
// NOTE: implements the error interface.
func (e ErrInvalidNodeAlias) Error() string {
        return "node alias has non-utf8 characters"
}

// NodeAlias is a hex encoded UTF-8 string that may be displayed as an
// alternative to the node's ID. Notice that aliases are not unique and may be
// freely chosen by the node operators.
type NodeAlias [32]byte

// NewNodeAlias creates a new instance of a NodeAlias. Verification is
// performed on the passed string to ensure it meets the alias requirements.
func NewNodeAlias(s string) (NodeAlias, error) {
        var n NodeAlias

        if len(s) > 32 {
                return n, fmt.Errorf("alias too large: max is %v, got %v", 32,
                        len(s))
        }

        if !utf8.ValidString(s) {
                return n, &ErrInvalidNodeAlias{}
        }

        copy(n[:], []byte(s))
        return n, nil
}

// String returns a utf8 string representation of the alias bytes.
func (n NodeAlias) String() string {
        // Trim trailing zero-bytes for presentation
        return string(bytes.Trim(n[:], "\x00"))
}

// NodeAnnouncement message is used to announce the presence of a Lightning
// node and also to signal that the node is accepting incoming connections.
// Each NodeAnnouncement authenticating the advertised information within the
// announcement via a signature using the advertised node pubkey.
type NodeAnnouncement struct {
        // Signature is used to prove the ownership of node id.
        Signature Sig

        // Features is the list of protocol features this node supports.
        Features *RawFeatureVector

        // Timestamp allows ordering in the case of multiple announcements.
        Timestamp uint32

        // NodeID is a public key which is used as node identification.
        NodeID [33]byte

        // RGBColor is used to customize their node's appearance in maps and
        // graphs
        RGBColor color.RGBA

        // Alias is used to customize their node's appearance in maps and
        // graphs
        Alias NodeAlias

        // Address includes two specification fields: 'ipv6' and 'port' on
        // which the node is accepting incoming connections.
        Addresses []net.Addr

        // ExtraOpaqueData is the set of data that was appended to this
        // message, some of which we may not actually know how to iterate or
        // parse. By holding onto this data, we ensure that we're able to
        // properly validate the set of signatures that cover these new fields,
        // and ensure we're able to make upgrades to the network in a forwards
        // compatible manner.
        ExtraOpaqueData ExtraOpaqueData
}

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

// Decode deserializes a serialized NodeAnnouncement stored in the passed
// io.Reader observing the specified protocol version.
//
// This is part of the lnwire.Message interface.
func (a *NodeAnnouncement) Decode(r io.Reader, pver uint32) error {
        return ReadElements(r,
                &a.Signature,
                &a.Features,
                &a.Timestamp,
                &a.NodeID,
                &a.RGBColor,
                &a.Alias,
                &a.Addresses,
                &a.ExtraOpaqueData,
        )
}

// Encode serializes the target NodeAnnouncement into the passed io.Writer
// observing the protocol version specified.
//
// This is part of the lnwire.Message interface.
func (a *NodeAnnouncement) Encode(w *bytes.Buffer, pver uint32) error {
        if err := WriteSig(w, a.Signature); err != nil {
                return err
        }

        if err := WriteRawFeatureVector(w, a.Features); err != nil {
                return err
        }

        if err := WriteUint32(w, a.Timestamp); err != nil {
                return err
        }

        if err := WriteBytes(w, a.NodeID[:]); err != nil {
                return err
        }

        if err := WriteColorRGBA(w, a.RGBColor); err != nil {
                return err
        }

        if err := WriteNodeAlias(w, a.Alias); err != nil {
                return err
        }

        if err := WriteNetAddrs(w, a.Addresses); err != nil {
                return err
        }

        return WriteBytes(w, a.ExtraOpaqueData)
}

// MsgType returns the integer uniquely identifying this message type on the
// wire.
//
// This is part of the lnwire.Message interface.
func (a *NodeAnnouncement) MsgType() MessageType {
        return MsgNodeAnnouncement
}

// DataToSign returns the part of the message that should be signed.
func (a *NodeAnnouncement) DataToSign() ([]byte, error) {

        // We should not include the signatures itself.
        buffer := make([]byte, 0, MaxMsgBody)
        buf := bytes.NewBuffer(buffer)

        if err := WriteRawFeatureVector(buf, a.Features); err != nil {
                return nil, err
        }

        if err := WriteUint32(buf, a.Timestamp); err != nil {
                return nil, err
        }

        if err := WriteBytes(buf, a.NodeID[:]); err != nil {
                return nil, err
        }

        if err := WriteColorRGBA(buf, a.RGBColor); err != nil {
                return nil, err
        }

        if err := WriteNodeAlias(buf, a.Alias); err != nil {
                return nil, err
        }

        if err := WriteNetAddrs(buf, a.Addresses); err != nil {
                return nil, err
        }

        if err := WriteBytes(buf, a.ExtraOpaqueData); err != nil {
                return nil, err
        }

        return buf.Bytes(), nil
}

1	package lnwire
2
3	import (
4	"bytes"
5	"fmt"
6	"image/color"
7	"io"
8	"net"
9	"unicode/utf8"
10	)
11
12	// ErrUnknownAddrType is an error returned if we encounter an unknown address type
13	// when parsing addresses.
14	type ErrUnknownAddrType struct {
15	addrType addressType
16	}
17
18	// Error returns a human readable string describing the error.
19	//
20	// NOTE: implements the error interface.
21	func (e ErrUnknownAddrType) Error() string {	×
22	return fmt.Sprintf("unknown address type: %v", e.addrType)	×
23	}	×
24
25	// ErrInvalidNodeAlias is an error returned if a node alias we parse on the
26	// wire is invalid, as in it has non UTF-8 characters.
27	type ErrInvalidNodeAlias struct{}
28
29	// Error returns a human readable string describing the error.
30	//
31	// NOTE: implements the error interface.
32	func (e ErrInvalidNodeAlias) Error() string {	×
33	return "node alias has non-utf8 characters"	×
34	}	×
35
36	// NodeAlias is a hex encoded UTF-8 string that may be displayed as an
37	// alternative to the node's ID. Notice that aliases are not unique and may be
38	// freely chosen by the node operators.
39	type NodeAlias [32]byte
40
41	// NewNodeAlias creates a new instance of a NodeAlias. Verification is
42	// performed on the passed string to ensure it meets the alias requirements.
43	func NewNodeAlias(s string) (NodeAlias, error) {	3✔
44	var n NodeAlias	3✔
45		3✔
46	if len(s) > 32 {	6✔
47	return n, fmt.Errorf("alias too large: max is %v, got %v", 32,	3✔
48	len(s))	3✔
49	}	3✔
50
51	if !utf8.ValidString(s) {	3✔
UNCOV 52	return n, &ErrInvalidNodeAlias{}	×
UNCOV 53	}	×
54
55	copy(n[:], []byte(s))	3✔
56	return n, nil	3✔
57	}
58
59	// String returns a utf8 string representation of the alias bytes.
60	func (n NodeAlias) String() string {	3✔
61	// Trim trailing zero-bytes for presentation	3✔
62	return string(bytes.Trim(n[:], "\x00"))	3✔
63	}	3✔
64
65	// NodeAnnouncement message is used to announce the presence of a Lightning
66	// node and also to signal that the node is accepting incoming connections.
67	// Each NodeAnnouncement authenticating the advertised information within the
68	// announcement via a signature using the advertised node pubkey.
69	type NodeAnnouncement struct {
70	// Signature is used to prove the ownership of node id.
71	Signature Sig
72
73	// Features is the list of protocol features this node supports.
74	Features *RawFeatureVector
75
76	// Timestamp allows ordering in the case of multiple announcements.
77	Timestamp uint32
78
79	// NodeID is a public key which is used as node identification.
80	NodeID [33]byte
81
82	// RGBColor is used to customize their node's appearance in maps and
83	// graphs
84	RGBColor color.RGBA
85
86	// Alias is used to customize their node's appearance in maps and
87	// graphs
88	Alias NodeAlias
89
90	// Address includes two specification fields: 'ipv6' and 'port' on
91	// which the node is accepting incoming connections.
92	Addresses []net.Addr
93
94	// ExtraOpaqueData is the set of data that was appended to this
95	// message, some of which we may not actually know how to iterate or
96	// parse. By holding onto this data, we ensure that we're able to
97	// properly validate the set of signatures that cover these new fields,
98	// and ensure we're able to make upgrades to the network in a forwards
99	// compatible manner.
100	ExtraOpaqueData ExtraOpaqueData
101	}
102
103	// A compile time check to ensure NodeAnnouncement implements the
104	// lnwire.Message interface.
105	var _ Message = (*NodeAnnouncement)(nil)
106
107	// Decode deserializes a serialized NodeAnnouncement stored in the passed
108	// io.Reader observing the specified protocol version.
109	//
110	// This is part of the lnwire.Message interface.
111	func (a *NodeAnnouncement) Decode(r io.Reader, pver uint32) error {	3✔
112	return ReadElements(r,	3✔
113	&a.Signature,	3✔
114	&a.Features,	3✔
115	&a.Timestamp,	3✔
116	&a.NodeID,	3✔
117	&a.RGBColor,	3✔
118	&a.Alias,	3✔
119	&a.Addresses,	3✔
120	&a.ExtraOpaqueData,	3✔
121	)	3✔
122	}	3✔
123
124	// Encode serializes the target NodeAnnouncement into the passed io.Writer
125	// observing the protocol version specified.
126	//
127	// This is part of the lnwire.Message interface.
128	func (a NodeAnnouncement) Encode(w bytes.Buffer, pver uint32) error {	3✔
129	if err := WriteSig(w, a.Signature); err != nil {	3✔
130	return err	×
131	}	×
132
133	if err := WriteRawFeatureVector(w, a.Features); err != nil {	3✔
134	return err	×
135	}	×
136
137	if err := WriteUint32(w, a.Timestamp); err != nil {	3✔
138	return err	×
139	}	×
140
141	if err := WriteBytes(w, a.NodeID[:]); err != nil {	3✔
142	return err	×
143	}	×
144
145	if err := WriteColorRGBA(w, a.RGBColor); err != nil {	3✔
146	return err	×
147	}	×
148
149	if err := WriteNodeAlias(w, a.Alias); err != nil {	3✔
150	return err	×
151	}	×
152
153	if err := WriteNetAddrs(w, a.Addresses); err != nil {	3✔
154	return err	×
155	}	×
156
157	return WriteBytes(w, a.ExtraOpaqueData)	3✔
158	}
159
160	// MsgType returns the integer uniquely identifying this message type on the
161	// wire.
162	//
163	// This is part of the lnwire.Message interface.
164	func (a *NodeAnnouncement) MsgType() MessageType {	3✔
165	return MsgNodeAnnouncement	3✔
166	}	3✔
167
168	// DataToSign returns the part of the message that should be signed.
169	func (a *NodeAnnouncement) DataToSign() ([]byte, error) {	3✔
170		3✔
171	// We should not include the signatures itself.	3✔
172	buffer := make([]byte, 0, MaxMsgBody)	3✔
173	buf := bytes.NewBuffer(buffer)	3✔
174		3✔
175	if err := WriteRawFeatureVector(buf, a.Features); err != nil {	3✔
UNCOV 176	return nil, err	×
UNCOV 177	}	×
178
179	if err := WriteUint32(buf, a.Timestamp); err != nil {	3✔
180	return nil, err	×
181	}	×
182
183	if err := WriteBytes(buf, a.NodeID[:]); err != nil {	3✔
184	return nil, err	×
185	}	×
186
187	if err := WriteColorRGBA(buf, a.RGBColor); err != nil {	3✔
188	return nil, err	×
189	}	×
190
191	if err := WriteNodeAlias(buf, a.Alias); err != nil {	3✔
192	return nil, err	×
193	}	×
194
195	if err := WriteNetAddrs(buf, a.Addresses); err != nil {	3✔
196	return nil, err	×
197	}	×
198
199	if err := WriteBytes(buf, a.ExtraOpaqueData); err != nil {	3✔
200	return nil, err	×
201	}	×
202
203	return buf.Bytes(), nil	3✔
204	}

lightningnetwork / lnd / 13593508312

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