first batch of lint warnings reduced

core/ordering/cosipbft/blockstore/disk.go

@@ -166,10 +166,12 @@ func (s *InDisk) Get(id types.Digest) (types.BlockLink, error) {
 
 // GetByIndex implements blockstore.BlockStore. It returns the block associated
 // to the index if it exists, otherwise it returns an error.
-func (s *InDisk) GetByIndex(index uint64) (link types.BlockLink, err error) {
+func (s *InDisk) GetByIndex(index uint64) (types.BlockLink, error) {
+	var link types.BlockLink
+
 	key := s.makeKey(index)
 
-	err = s.doView(func(tx kv.ReadableTx) error {
+	err := s.doView(func(tx kv.ReadableTx) error {
 		bucket := tx.GetBucket(s.bucket)
 
 		value := bucket.Get(key)
@@ -187,7 +189,7 @@ func (s *InDisk) GetByIndex(index uint64) (link types.BlockLink, err error) {
 		return nil
 	})
 
-	return
+	return link, err
 }
 
 // GetChain implements blockstore.Blockstore. It returns a chain to the latest

crypto/bls/command/action.go

@@ -13,6 +13,10 @@ import (
 	"golang.org/x/xerrors"
 )
 
+const Base64Pubkey = "Base64Pubkey"
+const Base64 = "Base64"
+const Pubkey = "Pubkey"
+
 // action defines the different cli actions of the BLS commands. Defining
 // functions and printer helps in testing the commands.
 type action struct {
@@ -53,21 +57,21 @@ func (a action) loadSignerAction(flags cli.Flags) error {
 	var out []byte
 
 	switch flags.String("format") {
-	case "PUBKEY":
+	case Pubkey:
 		pubkey, err := a.getPubKey(data)
 		if err != nil {
-			return xerrors.Errorf("failed to get PUBKEY: %v", err)
+			return xerrors.Errorf("failed to get Pubkey: %v", err)
 		}
 
 		out, err = pubkey.MarshalText()
 		if err != nil {
 			return xerrors.Errorf("failed to marshal pubkey: %v", err)
 		}
 
-	case "BASE64_PUBKEY":
+	case Base64Pubkey:
 		pubkey, err := a.getPubKey(data)
 		if err != nil {
-			return xerrors.Errorf("failed to get PUBKEY: %v", err)
+			return xerrors.Errorf("failed to get Pubkey: %v", err)
 		}
 
 		buf, err := pubkey.MarshalBinary()
@@ -77,7 +81,7 @@ func (a action) loadSignerAction(flags cli.Flags) error {
 
 		out = []byte(base64.StdEncoding.EncodeToString(buf))
 
-	case "BASE64":
+	case Base64:
 		out = []byte(base64.StdEncoding.EncodeToString(data))
 
 	default:

crypto/bls/command/action_test.go

@@ -50,30 +50,30 @@ func TestLoadSignerAction(t *testing.T) {
 	err = action.loadSignerAction(set)
 	require.EqualError(t, err, "unknown format ''")
 
-	set["format"] = "PUBKEY"
+	set["format"] = Pubkey
 	action.getPubKey = badGetPubKey
 	err = action.loadSignerAction(set)
-	require.EqualError(t, err, fake.Err("failed to get PUBKEY"))
+	require.EqualError(t, err, fake.Err("failed to get Pubkey"))
 
 	action.getPubKey = wrongGetPubKey
 	err = action.loadSignerAction(set)
 	require.EqualError(t, err, fake.Err("failed to marshal pubkey"))
 
-	set["format"] = "BASE64_PUBKEY"
+	set["format"] = Base64Pubkey
 	action.getPubKey = badGetPubKey
 	err = action.loadSignerAction(set)
-	require.EqualError(t, err, fake.Err("failed to get PUBKEY"))
+	require.EqualError(t, err, fake.Err("failed to get Pubkey"))
 
 	action.getPubKey = wrongGetPubKey
 	err = action.loadSignerAction(set)
 	require.EqualError(t, err, fake.Err("failed to marshal pubkey"))
 
-	set["format"] = "BASE64_PUBKEY"
+	set["format"] = Base64Pubkey
 	action.getPubKey = fakeGetPubKey
 	err = action.loadSignerAction(set)
 	require.NoError(t, err)
 
-	set["format"] = "BASE64"
+	set["format"] = Base64
 	action.getPubKey = badGetPubKey
 	err = action.loadSignerAction(set)
 	require.NoError(t, err)
@@ -128,19 +128,19 @@ func badGenSigner() ([]byte, error) {
 	return nil, fake.GetError()
 }
 
-func badReadFile(path string) ([]byte, error) {
+func badReadFile(_ string) ([]byte, error) {
 	return nil, fake.GetError()
 }
 
-func badSaveFile(path string, force bool, data []byte) error {
+func badSaveFile(_ string, _ bool, _ []byte) error {
 	return fake.GetError()
 }
 
-func fakeReadFile(path string) ([]byte, error) {
+func fakeReadFile(_ string) ([]byte, error) {
 	return nil, nil
 }
 
-func fakeSaveFile(path string, force bool, data []byte) error {
+func fakeSaveFile(_ string, _ bool, _ []byte) error {
 	return nil
 }
 

crypto/bls/command/command.go

@@ -28,9 +28,9 @@ func (i Initializer) SetCommands(provider cli.Provider) {
 	cmd := provider.SetCommand("bls")
 	signer := cmd.SetSubCommand("signer")
 
-	new := signer.SetSubCommand("new")
-	new.SetDescription("create a new bls signer")
-	new.SetFlags(cli.StringFlag{
+	newsigner := signer.SetSubCommand("newsigner")
+	newsigner.SetDescription("create a newsigner bls signer")
+	newsigner.SetFlags(cli.StringFlag{
 		Name:     "save",
 		Usage:    "if provided, save the signer to that file",
 		Required: false,
@@ -39,7 +39,7 @@ func (i Initializer) SetCommands(provider cli.Provider) {
 		Usage:    "in the case it saves the signer, will overwrite if needed",
 		Required: false,
 	})
-	new.SetAction(action.newSignerAction)
+	newsigner.SetAction(action.newSignerAction)
 
 	read := signer.SetSubCommand("read")
 	read.SetDescription("read a signer")
@@ -49,8 +49,8 @@ func (i Initializer) SetCommands(provider cli.Provider) {
 		Required: true,
 	}, cli.StringFlag{
 		Name:     "format",
-		Usage:    "output format: [PUBKEY | BASE64 | BASE64_PUBKEY]",
-		Value:    "PUBKEY",
+		Usage:    "output format: [Pubkey | Base64 | Base64Pubkey]",
+		Value:    "Pubkey",
 		Required: false,
 	})
 	read.SetAction(action.loadSignerAction)

crypto/ed25519/json/json_test.go

@@ -43,7 +43,8 @@ func TestPubKkeyFormat_Decode(t *testing.T) {
 
 	pubkey, err := format.Decode(ctx, data)
 	require.NoError(t, err)
-	require.True(t, signer.GetPublicKey().Equal(pubkey.(ed25519.PublicKey)))
+	p := pubkey.(ed25519.PublicKey)
+	require.True(t, signer.GetPublicKey().Equal(p))
 
 	_, err = format.Decode(ctx, []byte(`{"Data":[]}`))
 	require.EqualError(t, err,

dkg/pedersen/controller/action_test.go

@@ -452,7 +452,8 @@ func TestDecryptAction_decodeFail(t *testing.T) {
 }
 
 func TestDecryptAction_decryptFail(t *testing.T) {
-	encrypted := "abea449f0ab86029c529f541cdd7f48aee3102b9c1ea2999b5d39c2cc49a4c23:ae29dd65cb4ceaaf7830008b9544625a05b6dbbcd421cf8475aedbef8e8d1da9"
+	encrypted := "abea449f0ab86029c529f541cdd7f48aee3102b9c1ea2999b5d39c2cc49a4c23" +
+		":ae29dd65cb4ceaaf7830008b9544625a05b6dbbcd421cf8475aedbef8e8d1da9"
 	a := decryptAction{}
 
 	inj := node.NewInjector()
@@ -474,7 +475,8 @@ func TestDecryptAction_decryptFail(t *testing.T) {
 }
 
 func TestDecryptAction_OK(t *testing.T) {
-	encrypted := "abea449f0ab86029c529f541cdd7f48aee3102b9c1ea2999b5d39c2cc49a4c23:ae29dd65cb4ceaaf7830008b9544625a05b6dbbcd421cf8475aedbef8e8d1da9"
+	encrypted := "abea449f0ab86029c529f541cdd7f48aee3102b9c1ea2999b5d39c2cc49a4c23" +
+		":ae29dd65cb4ceaaf7830008b9544625a05b6dbbcd421cf8475aedbef8e8d1da9"
 
 	message := "fake"
 	expected := hex.EncodeToString([]byte(message))
@@ -545,8 +547,9 @@ func TestReencryptAction_decodePubkFail(t *testing.T) {
 	inj.Inject(fakeActor{})
 
 	flags := node.FlagSet{
-		"encrypted": "abea449f0ab86029c529f541cdd7f48aee3102b9c1ea2999b5d39c2cc49a4c23:ae29dd65cb4ceaaf7830008b9544625a05b6dbbcd421cf8475aedbef8e8d1da9",
-		"pubk":      "not hex",
+		"encrypted": "abea449f0ab86029c529f541cdd7f48aee3102b9c1ea2999b5d39c2cc49a4c23" +
+			":ae29dd65cb4ceaaf7830008b9544625a05b6dbbcd421cf8475aedbef8e8d1da9",
+		"pubk": "not hex",
 	}
 
 	ctx := node.Context{
@@ -559,7 +562,8 @@ func TestReencryptAction_decodePubkFail(t *testing.T) {
 }
 
 func TestReencryptAction_reencryptFail(t *testing.T) {
-	encrypted := "abea449f0ab86029c529f541cdd7f48aee3102b9c1ea2999b5d39c2cc49a4c23:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+	encrypted := "abea449f0ab86029c529f541cdd7f48aee3102b9c1ea2999b5d39c2cc49a4c23" +
+		":aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
 	pubk := "ae29dd65cb4ceaaf7830008b9544625a05b6dbbcd421cf8475aedbef8e8d1da9"
 
 	a := reencryptAction{}
@@ -584,7 +588,8 @@ func TestReencryptAction_reencryptFail(t *testing.T) {
 }
 
 func TestReencryptAction_OK(t *testing.T) {
-	encrypted := "abea449f0ab86029c529f541cdd7f48aee3102b9c1ea2999b5d39c2cc49a4c23:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+	encrypted := "abea449f0ab86029c529f541cdd7f48aee3102b9c1ea2999b5d39c2cc49a4c23" +
+		":aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
 	pubk := "ae29dd65cb4ceaaf7830008b9544625a05b6dbbcd421cf8475aedbef8e8d1da9"
 
 	sk := suite.Scalar().Pick(suite.RandomStream())

dkg/pedersen/dkg.go

@@ -677,6 +677,9 @@ func (s *instance) doReshare(
 		s.startRes.init(start.GetAddrsNew(), start.GetPubkeysNew(), start.GetTNew())
 
 		expectedResponses = (start.GetTNew() - 1) * start.GetTOld()
+
+	default:
+		return xerrors.New("unknown node type")
 	}
 
 	// All nodes should certify.

dkg/pedersen/pedersen_test.go

@@ -497,7 +497,8 @@ func decryptReencrypted(
 	XhatEnc kyber.Point,
 	dkgPk kyber.Point,
 	Sk kyber.Scalar,
-) (msg []byte, err error) {
+) ([]byte, error) {
+	var msg []byte
 
 	dela.Logger.Debug().Msgf("XhatEnc:%v", XhatEnc)
 	dela.Logger.Debug().Msgf("DKG pubK:%v", dkgPk)
@@ -535,5 +536,6 @@ func decryptReencrypted(
 		}
 		msg = append(msg, keyPart...)
 	}
-	return
+
+	return msg, nil
 }

go.mod

@@ -10,15 +10,15 @@ require (
 	github.com/opentracing/opentracing-go v1.2.0
 	github.com/prometheus/client_golang v1.20.5
 	github.com/rs/xid v1.5.0
-	github.com/rs/zerolog v1.32.0
+	github.com/rs/zerolog v1.33.0
 	github.com/stretchr/testify v1.10.0
 	github.com/uber/jaeger-client-go v2.30.0+incompatible
 	github.com/urfave/cli/v2 v2.27.1
 	go.dedis.ch/debugtools v0.1.1
 	go.dedis.ch/kyber/v3 v3.1.0
 	go.etcd.io/bbolt v1.3.9
 	golang.org/x/crypto v0.31.0
-	golang.org/x/net v0.32.0
+	golang.org/x/net v0.33.0
 	golang.org/x/tools v0.28.0
 	golang.org/x/xerrors v0.0.0-20231012003039-104605ab7028
 	google.golang.org/grpc v1.70.0
@@ -66,7 +66,7 @@ require (
 	github.com/libp2p/go-netroute v0.2.2 // indirect
 	github.com/libp2p/go-reuseport v0.4.0 // indirect
 	github.com/marten-seemann/tcp v0.0.0-20210406111302-dfbc87cc63fd // indirect
-	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-colorable v0.1.14 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/miekg/dns v1.1.62 // indirect
 	github.com/mikioh/tcpinfo v0.0.0-20190314235526-30a79bb1804b // indirect
@@ -106,7 +106,7 @@ require (
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/prometheus/client_model v0.6.1 // indirect
-	github.com/prometheus/common v0.61.0 // indirect
+	github.com/prometheus/common v0.62.0 // indirect
 	github.com/prometheus/procfs v0.15.1 // indirect
 	github.com/quic-go/qpack v0.5.1 // indirect
 	github.com/quic-go/quic-go v0.48.2 // indirect
@@ -130,7 +130,7 @@ require (
 	golang.org/x/exp v0.0.0-20241217172543-b2144cdd0a67 // indirect
 	golang.org/x/mod v0.22.0 // indirect
 	golang.org/x/sync v0.10.0 // indirect
-	golang.org/x/sys v0.28.0 // indirect
+	golang.org/x/sys v0.30.0 // indirect
 	golang.org/x/text v0.21.0 // indirect
 	golang.org/x/time v0.6.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect

go.sum

@@ -173,8 +173,9 @@ github.com/lunixbochs/vtclean v1.0.0/go.mod h1:pHhQNgMf3btfWnGBVipUOjRYhoOsdGqdm
 github.com/mailru/easyjson v0.0.0-20190312143242-1de009706dbe/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc=
 github.com/marten-seemann/tcp v0.0.0-20210406111302-dfbc87cc63fd h1:br0buuQ854V8u83wA0rVZ8ttrq5CpaPZdvrK0LP2lOk=
 github.com/marten-seemann/tcp v0.0.0-20210406111302-dfbc87cc63fd/go.mod h1:QuCEs1Nt24+FYQEqAAncTDPJIuGs+LxK1MCiFL25pMU=
-github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
 github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
+github.com/mattn/go-colorable v0.1.14 h1:9A9LHSqF/7dyVVX6g0U9cwm9pG3kP9gSzcuIPHPsaIE=
+github.com/mattn/go-colorable v0.1.14/go.mod h1:6LmQG8QLFO4G5z1gPvYEzlUgJ2wF+stgPZH1UqBm1s8=
 github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27kJ6hsGG94=
 github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
 github.com/mattn/go-isatty v0.0.19/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
@@ -295,8 +296,8 @@ github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:
 github.com/prometheus/client_model v0.6.1 h1:ZKSh/rekM+n3CeS952MLRAdFwIKqeY8b62p8ais2e9E=
 github.com/prometheus/client_model v0.6.1/go.mod h1:OrxVMOVHjw3lKMa8+x6HeMGkHMQyHDk9E3jmP2AmGiY=
 github.com/prometheus/common v0.0.0-20180801064454-c7de2306084e/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
-github.com/prometheus/common v0.61.0 h1:3gv/GThfX0cV2lpO7gkTUwZru38mxevy90Bj8YFSRQQ=
-github.com/prometheus/common v0.61.0/go.mod h1:zr29OCN/2BsJRaFwG8QOBr41D6kkchKbpeNH7pAjb/s=
+github.com/prometheus/common v0.62.0 h1:xasJaQlnWAeyHdUBeGjXmutelfJHWMRr+Fg4QszZ2Io=
+github.com/prometheus/common v0.62.0/go.mod h1:vyBcEuLSvWos9B1+CyL7JZ2up+uFzXhkqml0W5zIY1I=
 github.com/prometheus/procfs v0.0.0-20180725123919-05ee40e3a273/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
 github.com/prometheus/procfs v0.15.1 h1:YagwOFzUgYfKKHX6Dr+sHT7km/hxC76UB0learggepc=
 github.com/prometheus/procfs v0.15.1/go.mod h1:fB45yRUv8NstnjriLhBQLuOUt+WW4BsoGhij/e3PBqk=
@@ -312,8 +313,8 @@ github.com/rogpeppe/go-internal v1.13.1 h1:KvO1DLK/DRN07sQ1LQKScxyZJuNnedQ5/wKSR
 github.com/rogpeppe/go-internal v1.13.1/go.mod h1:uMEvuHeurkdAXX61udpOXGD/AzZDWNMNyH2VO9fmH0o=
 github.com/rs/xid v1.5.0 h1:mKX4bl4iPYJtEIxp6CYiUuLQ/8DYMoz0PUdtGgMFRVc=
 github.com/rs/xid v1.5.0/go.mod h1:trrq9SKmegXys3aeAKXMUTdJsYXVwGY3RLcfgqegfbg=
-github.com/rs/zerolog v1.32.0 h1:keLypqrlIjaFsbmJOBdB/qvyF8KEtCWHwobLp5l/mQ0=
-github.com/rs/zerolog v1.32.0/go.mod h1:/7mN4D5sKwJLZQ2b/znpjC3/GQWY/xaDXUM0kKWRHss=
+github.com/rs/zerolog v1.33.0 h1:1cU2KZkvPxNyfgEmhHAz/1A9Bz+llsdYzklWFzgp0r8=
+github.com/rs/zerolog v1.33.0/go.mod h1:/7mN4D5sKwJLZQ2b/znpjC3/GQWY/xaDXUM0kKWRHss=
 github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
 github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
 github.com/russross/blackfriday/v2 v2.1.0 h1:JIOH55/0cWyOuilr9/qlrm0BSXldqnqwMsf35Ld67mk=
@@ -493,8 +494,8 @@ golang.org/x/net v0.9.0/go.mod h1:d48xBJpPfHeWQsugry2m+kC02ZBRGRgulfHnEXEuWns=
 golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg=
 golang.org/x/net v0.14.0/go.mod h1:PpSgVXXLK0OxS0F31C1/tv6XNguvCrnXIDrFMspZIUI=
 golang.org/x/net v0.20.0/go.mod h1:z8BVo6PvndSri0LbOE3hAn0apkU+1YvI6E70E9jsnvY=
-golang.org/x/net v0.32.0 h1:ZqPmj8Kzc+Y6e0+skZsuACbx+wzMgo5MQsJh9Qd6aYI=
-golang.org/x/net v0.32.0/go.mod h1:CwU0IoeOlnQQWJ6ioyFrfRuomB8GKF6KbYXZVyeXNfs=
+golang.org/x/net v0.33.0 h1:74SYHlV8BIgHIFC/LrYkOGIwL19eTYXQ5wc6TBuO36I=
+golang.org/x/net v0.33.0/go.mod h1:HXLR5J+9DxmrqMwG9qjGCxZ+zKXxBru04zlTvWlWuN4=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20181017192945-9dcd33a902f4/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20181203162652-d668ce993890/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
@@ -541,8 +542,8 @@ golang.org/x/sys v0.9.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.11.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/sys v0.28.0 h1:Fksou7UEQUWlKvIdsqzJmUmCX3cZuD2+P3XyyzwMhlA=
-golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.30.0 h1:QjkSwP/36a20jFYWkSue1YwXzLmsV5Gfq7Eiy72C1uc=
+golang.org/x/sys v0.30.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=

internal/traffic/mod.go

@@ -307,7 +307,8 @@ func GenerateItemsGraphviz(out io.Writer, withSend, withRcv bool, traffics ...*T
 
 	fmt.Fprintf(out, "digraph network_activity {\n")
 	fmt.Fprintf(out, "labelloc=\"t\";")
-	fmt.Fprintf(out, "label = <Network Diagram of %d nodes <font point-size='10'><br/>(generated %s)</font>>;", len(traffics), time.Now().Format("2 Jan 06 - 15:04:05"))
+	fmt.Fprintf(out, "label = <Network Diagram of %d nodes <font point-size='10'><br/>"+
+		"(generated %s)</font>>;", len(traffics), time.Now().Format("2 Jan 06 - 15:04:05"))
 	fmt.Fprintf(out, "graph [fontname = \"helvetica\"];")
 	fmt.Fprintf(out, "graph [fontname = \"helvetica\"];")
 	fmt.Fprintf(out, "node [fontname = \"helvetica\"];")
@@ -343,7 +344,8 @@ func GenerateItemsGraphviz(out io.Writer, withSend, withRcv bool, traffics ...*T
 			}
 
 			fmt.Fprintf(out, "\"%v\" -> \"%v\" "+
-				"[ label = < <font color='#303030'><b>%d</b> <font point-size='10'>(%d)</font></font><br/>%s> color=\"%s\" ];\n",
+				"[ label = < <font color='#303030'><b>%d</b> "+
+				"<font point-size='10'>(%d)</font></font><br/>%s> color=\"%s\" ];\n",
 				item.src, item.gateway, item.typeCounter, item.globalCounter, msgStr, color)
 		}
 	}
@@ -357,7 +359,9 @@ func GenerateEventGraphviz(out io.Writer, traffics ...*Traffic) {
 
 	fmt.Fprintf(out, "digraph network_activity {\n")
 	fmt.Fprintf(out, "labelloc=\"t\";")
-	fmt.Fprintf(out, "label = <Network Diagram of %d nodes <font point-size='10'><br/>(generated %s)</font>>;", len(traffics), time.Now().Format("2 Jan 06 - 15:04:05"))
+	fmt.Fprintf(out,
+		"label = <Network Diagram of %d nodes <font point-size='10'><br/>(generated %s)</font>>;",
+		len(traffics), time.Now().Format("2 Jan 06 - 15:04:05"))
 	fmt.Fprintf(out, "graph [fontname = \"helvetica\"];")
 	fmt.Fprintf(out, "graph [fontname = \"helvetica\"];")
 	fmt.Fprintf(out, "node [fontname = \"helvetica\"];")