multi: remove dead code

discovery/gossiper_test.go

@@ -43,10 +43,6 @@ var (
 	_, _ = testSig.R.SetString("63724406601629180062774974542967536251589935445068131219452686511677818569431", 10)
 	_, _ = testSig.S.SetString("18801056069249825825291287104931333862866033135609736119018462340006816851118", 10)
 
-	inputStr = "147caa76786596590baa4e98f5d9f48b86c7765e489f7a6ff3360fe5c674360b"
-	sha, _   = chainhash.NewHashFromStr(inputStr)
-	outpoint = wire.NewOutPoint(sha, 0)
-
 	bitcoinKeyPriv1, _ = btcec.NewPrivateKey(btcec.S256())
 	bitcoinKeyPub1     = bitcoinKeyPriv1.PubKey()
 
@@ -59,10 +55,9 @@ var (
 	nodeKeyPriv2, _ = btcec.NewPrivateKey(btcec.S256())
 	nodeKeyPub2     = nodeKeyPriv2.PubKey()
 
-	trickleDelay        = time.Millisecond * 100
-	retransmitDelay     = time.Hour * 1
-	proofMatureDelta    uint32
-	maxBtcFundingAmount = btcutil.Amount(1<<62) - 1
+	trickleDelay     = time.Millisecond * 100
+	retransmitDelay  = time.Hour * 1
+	proofMatureDelta uint32
 )
 
 // makeTestDB creates a new instance of the ChannelDB for testing purposes. A

discovery/sync_manager.go

@@ -116,10 +116,6 @@ type SyncManager struct {
 
 	cfg SyncManagerCfg
 
-	// historicalSync allows us to perform an initial historical sync only
-	// _once_ with a peer during the SyncManager's startup.
-	historicalSync sync.Once
-
 	// newSyncers is a channel we'll use to process requests to create
 	// GossipSyncers for newly connected peers.
 	newSyncers chan *newSyncer

discovery/syncer.go

@@ -187,10 +187,6 @@ type gossipSyncerCfg struct {
 	// in compressed format.
 	peerPub [33]byte
 
-	// syncChanUpdates is a bool that indicates if we should request a
-	// continual channel update stream or not.
-	syncChanUpdates bool
-
 	// channelSeries is the primary interface that we'll use to generate
 	// our queries and respond to the queries of the remote peer.
 	channelSeries ChannelGraphTimeSeries

discovery/syncer_test.go

@@ -17,7 +17,6 @@ import (
 const (
 	defaultEncoding   = lnwire.EncodingSortedPlain
 	latestKnownHeight = 1337
-	startHeight       = latestKnownHeight - chanRangeQueryBuffer
 )
 
 var (

discovery/utils.go

@@ -109,16 +109,6 @@ func CreateChanAnnouncement(chanProof *channeldb.ChannelAuthProof,
 	return chanAnn, edge1Ann, edge2Ann, nil
 }
 
-// copyPubKey performs a copy of the target public key, setting a fresh curve
-// parameter during the process.
-func copyPubKey(pub *btcec.PublicKey) *btcec.PublicKey {
-	return &btcec.PublicKey{
-		Curve: btcec.S256(),
-		X:     pub.X,
-		Y:     pub.Y,
-	}
-}
-
 // SignAnnouncement is a helper function which is used to sign any outgoing
 // channel node node announcement messages.
 func SignAnnouncement(signer lnwallet.MessageSigner, pubKey *btcec.PublicKey,