12313002221

Committed 13 Dec 2024 09:25AM UTC coverage: 57.486% (+8.6%) from 48.92%

Build # 12313002221

Build Type

push

github

Committed by

web-flow

Commit Message

Merge pull request #9343 from ellemouton/contextGuard

fn: expand the ContextGuard and add tests

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101902 of 177264 relevant lines covered (57.49%)

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0.0

/netann/node_announcement.go

package netann

import (
        "image/color"
        "net"
        "time"

        "github.com/lightningnetwork/lnd/keychain"
        "github.com/lightningnetwork/lnd/lnwallet"
        "github.com/lightningnetwork/lnd/lnwire"
)

// NodeAnnModifier is a closure that makes in-place modifications to an
// lnwire.NodeAnnouncement.
type NodeAnnModifier func(*lnwire.NodeAnnouncement)

// NodeAnnSetAlias is a functional option that sets the alias of the
// given node announcement.
func NodeAnnSetAlias(alias lnwire.NodeAlias) func(*lnwire.NodeAnnouncement) {
        return func(nodeAnn *lnwire.NodeAnnouncement) {
                nodeAnn.Alias = alias
        }
}

// NodeAnnSetAddrs is a functional option that allows updating the addresses of
// the given node announcement.
func NodeAnnSetAddrs(addrs []net.Addr) func(*lnwire.NodeAnnouncement) {
        return func(nodeAnn *lnwire.NodeAnnouncement) {
                nodeAnn.Addresses = addrs
        }
}

// NodeAnnSetColor is a functional option that sets the color of the
// given node announcement.
func NodeAnnSetColor(newColor color.RGBA) func(*lnwire.NodeAnnouncement) {
        return func(nodeAnn *lnwire.NodeAnnouncement) {
                nodeAnn.RGBColor = newColor
        }
}

// NodeAnnSetFeatures is a functional option that allows updating the features of
// the given node announcement.
func NodeAnnSetFeatures(features *lnwire.RawFeatureVector) func(*lnwire.NodeAnnouncement) {
        return func(nodeAnn *lnwire.NodeAnnouncement) {
                nodeAnn.Features = features
        }
}

// NodeAnnSetTimestamp is a functional option that sets the timestamp of the
// announcement to the current time, or increments it if the timestamp is
// already in the future.
func NodeAnnSetTimestamp(nodeAnn *lnwire.NodeAnnouncement) {
        newTimestamp := uint32(time.Now().Unix())
        if newTimestamp <= nodeAnn.Timestamp {
                // Increment the prior value to  ensure the timestamp
                // monotonically increases, otherwise the announcement won't
                // propagate.
                newTimestamp = nodeAnn.Timestamp + 1
        }
        nodeAnn.Timestamp = newTimestamp
}

// SignNodeAnnouncement signs the lnwire.NodeAnnouncement provided, which
// should be the most recent, valid update, otherwise the timestamp may not
// monotonically increase from the prior.
func SignNodeAnnouncement(signer lnwallet.MessageSigner,
        keyLoc keychain.KeyLocator, nodeAnn *lnwire.NodeAnnouncement) error {

        // Create the DER-encoded ECDSA signature over the message digest.
        sig, err := SignAnnouncement(signer, keyLoc, nodeAnn)
        if err != nil {
                return err
        }

        // Parse the DER-encoded signature into a fixed-size 64-byte array.
        nodeAnn.Signature, err = lnwire.NewSigFromSignature(sig)
        return err
}

1	package netann
2
3	import (
4	"image/color"
5	"net"
6	"time"
7
8	"github.com/lightningnetwork/lnd/keychain"
9	"github.com/lightningnetwork/lnd/lnwallet"
10	"github.com/lightningnetwork/lnd/lnwire"
11	)
12
13	// NodeAnnModifier is a closure that makes in-place modifications to an
14	// lnwire.NodeAnnouncement.
15	type NodeAnnModifier func(*lnwire.NodeAnnouncement)
16
17	// NodeAnnSetAlias is a functional option that sets the alias of the
18	// given node announcement.
19	func NodeAnnSetAlias(alias lnwire.NodeAlias) func(*lnwire.NodeAnnouncement) {	×
20	return func(nodeAnn *lnwire.NodeAnnouncement) {	×
21	nodeAnn.Alias = alias	×
22	}	×
23	}
24
25	// NodeAnnSetAddrs is a functional option that allows updating the addresses of
26	// the given node announcement.
27	func NodeAnnSetAddrs(addrs []net.Addr) func(*lnwire.NodeAnnouncement) {	×
28	return func(nodeAnn *lnwire.NodeAnnouncement) {	×
29	nodeAnn.Addresses = addrs	×
30	}	×
31	}
32
33	// NodeAnnSetColor is a functional option that sets the color of the
34	// given node announcement.
35	func NodeAnnSetColor(newColor color.RGBA) func(*lnwire.NodeAnnouncement) {	×
36	return func(nodeAnn *lnwire.NodeAnnouncement) {	×
37	nodeAnn.RGBColor = newColor	×
38	}	×
39	}
40
41	// NodeAnnSetFeatures is a functional option that allows updating the features of
42	// the given node announcement.
43	func NodeAnnSetFeatures(features lnwire.RawFeatureVector) func(lnwire.NodeAnnouncement) {	×
44	return func(nodeAnn *lnwire.NodeAnnouncement) {	×
45	nodeAnn.Features = features	×
46	}	×
47	}
48
49	// NodeAnnSetTimestamp is a functional option that sets the timestamp of the
50	// announcement to the current time, or increments it if the timestamp is
51	// already in the future.
52	func NodeAnnSetTimestamp(nodeAnn *lnwire.NodeAnnouncement) {	×
53	newTimestamp := uint32(time.Now().Unix())	×
54	if newTimestamp <= nodeAnn.Timestamp {	×
55	// Increment the prior value to ensure the timestamp	×
56	// monotonically increases, otherwise the announcement won't	×
57	// propagate.	×
58	newTimestamp = nodeAnn.Timestamp + 1	×
59	}	×
60	nodeAnn.Timestamp = newTimestamp	×
61	}
62
63	// SignNodeAnnouncement signs the lnwire.NodeAnnouncement provided, which
64	// should be the most recent, valid update, otherwise the timestamp may not
65	// monotonically increase from the prior.
66	func SignNodeAnnouncement(signer lnwallet.MessageSigner,
67	keyLoc keychain.KeyLocator, nodeAnn *lnwire.NodeAnnouncement) error {	×
68		×
69	// Create the DER-encoded ECDSA signature over the message digest.	×
70	sig, err := SignAnnouncement(signer, keyLoc, nodeAnn)	×
71	if err != nil {	×
72	return err	×
73	}	×
74
75	// Parse the DER-encoded signature into a fixed-size 64-byte array.
76	nodeAnn.Signature, err = lnwire.NewSigFromSignature(sig)	×
77	return err	×
78	}

lightningnetwork / lnd / 12313002221

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