gomod: upgrade yaml package from v2 to v3

Close #2085.

Signed-off-by: Evgeniy Stratonikov <evgeniy@nspcc.ru>

cli/dump_test.go

@@ -8,7 +8,7 @@ import (
 
 	"github.com/nspcc-dev/neo-go/pkg/config"
 	"github.com/stretchr/testify/require"
-	"gopkg.in/yaml.v2"
+	"gopkg.in/yaml.v3"
 )
 
 func TestDBRestoreDump(t *testing.T) {

cli/server/server_test.go

@@ -15,7 +15,7 @@ import (
 	"github.com/stretchr/testify/require"
 	"github.com/urfave/cli"
 	"go.uber.org/zap"
-	"gopkg.in/yaml.v2"
+	"gopkg.in/yaml.v3"
 )
 
 // serverTestWD is the default working directory for server tests.

cli/server_test.go

@@ -12,7 +12,7 @@ import (
 	"github.com/nspcc-dev/neo-go/cli/server"
 	"github.com/nspcc-dev/neo-go/pkg/config"
 	"github.com/stretchr/testify/require"
-	"gopkg.in/yaml.v2"
+	"gopkg.in/yaml.v3"
 )
 
 func TestServerStart(t *testing.T) {

cli/smartcontract/generate.go

@@ -8,7 +8,7 @@ import (
 	"github.com/nspcc-dev/neo-go/pkg/smartcontract/binding"
 	"github.com/nspcc-dev/neo-go/pkg/util"
 	"github.com/urfave/cli"
-	"gopkg.in/yaml.v2"
+	"gopkg.in/yaml.v3"
 )
 
 var generateWrapperCmd = cli.Command{

cli/smartcontract/permission.go

@@ -8,7 +8,7 @@ import (
 	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
 	"github.com/nspcc-dev/neo-go/pkg/smartcontract/manifest"
 	"github.com/nspcc-dev/neo-go/pkg/util"
-	"gopkg.in/yaml.v2"
+	"gopkg.in/yaml.v3"
 )
 
 type permission manifest.Permission
@@ -20,20 +20,18 @@ const (
 )
 
 func (p permission) MarshalYAML() (interface{}, error) {
-	m := make(yaml.MapSlice, 0, 2)
+	m := yaml.Node{Kind: yaml.MappingNode}
 	switch p.Contract.Type {
 	case manifest.PermissionWildcard:
 	case manifest.PermissionHash:
-		m = append(m, yaml.MapItem{
-			Key:   permHashKey,
-			Value: p.Contract.Value.(util.Uint160).StringLE(),
-		})
+		m.Content = append(m.Content,
+			&yaml.Node{Kind: yaml.ScalarNode, Value: permHashKey},
+			&yaml.Node{Kind: yaml.ScalarNode, Value: p.Contract.Value.(util.Uint160).StringLE()})
 	case manifest.PermissionGroup:
 		bs := p.Contract.Value.(*keys.PublicKey).Bytes()
-		m = append(m, yaml.MapItem{
-			Key:   permGroupKey,
-			Value: hex.EncodeToString(bs),
-		})
+		m.Content = append(m.Content,
+			&yaml.Node{Kind: yaml.ScalarNode, Value: permGroupKey},
+			&yaml.Node{Kind: yaml.ScalarNode, Value: hex.EncodeToString(bs)})
 	default:
 		return nil, fmt.Errorf("invalid permission type: %d", p.Contract.Type)
 	}
@@ -43,10 +41,15 @@ func (p permission) MarshalYAML() (interface{}, error) {
 		val = p.Methods.Value
 	}
 
-	m = append(m, yaml.MapItem{
-		Key:   permMethodKey,
-		Value: val,
-	})
+	n := &yaml.Node{Kind: yaml.ScalarNode}
+	err := n.Encode(val)
+	if err != nil {
+		return nil, err
+	}
+	m.Content = append(m.Content,
+		&yaml.Node{Kind: yaml.ScalarNode, Value: permMethodKey},
+		n)
+
 	return m, nil
 }
 

cli/smartcontract/smart_contract.go

@@ -29,7 +29,7 @@ import (
 	"github.com/nspcc-dev/neo-go/pkg/vm"
 	"github.com/nspcc-dev/neo-go/pkg/wallet"
 	"github.com/urfave/cli"
-	"gopkg.in/yaml.v2"
+	"gopkg.in/yaml.v3"
 )
 
 var (

cli/smartcontract/smart_contract_test.go

@@ -11,7 +11,7 @@ import (
 	"github.com/nspcc-dev/neo-go/pkg/smartcontract/manifest"
 	"github.com/stretchr/testify/require"
 	"github.com/urfave/cli"
-	"gopkg.in/yaml.v2"
+	"gopkg.in/yaml.v3"
 )
 
 func TestInitSmartContract(t *testing.T) {
@@ -57,8 +57,7 @@ func RuntimeNotify(args []interface{}) {
 
 	manifest, err := os.ReadFile(contractName + "/" + files[2].Name())
 	require.NoError(t, err)
-	require.Equal(t,
-		`name: testContract
+	expected := `name: testContract
 sourceurl: http://example.com/
 safemethods: []
 supportedstandards: []
@@ -69,7 +68,8 @@ events:
           type: Array
 permissions:
     - methods: '*'
-`, string(manifest))
+`
+	require.Equal(t, expected, string(manifest))
 }
 
 func testPermissionMarshal(t *testing.T, p *manifest.Permission, expected string) {

go.mod

@@ -29,7 +29,7 @@ require (
 	golang.org/x/term v0.0.0-20210429154555-c04ba851c2a4
 	golang.org/x/text v0.3.7
 	golang.org/x/tools v0.1.8
-	gopkg.in/yaml.v2 v2.4.0
+	gopkg.in/yaml.v3 v3.0.1
 )
 
 go 1.16

go.sum

@@ -448,7 +448,8 @@ gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

pkg/compiler/compiler.go

@@ -19,7 +19,7 @@ import (
 	"github.com/nspcc-dev/neo-go/pkg/smartcontract/nef"
 	"github.com/nspcc-dev/neo-go/pkg/util"
 	"golang.org/x/tools/go/packages"
-	"gopkg.in/yaml.v2"
+	"gopkg.in/yaml.v3"
 )
 
 const fileExt = "nef"

pkg/config/config.go

@@ -6,7 +6,7 @@ import (
 
 	"github.com/nspcc-dev/neo-go/pkg/config/netmode"
 	"github.com/nspcc-dev/neo-go/pkg/rpc"
-	"gopkg.in/yaml.v2"
+	"gopkg.in/yaml.v3"
 )
 
 const (

pkg/encoding/fixedn/fixed8_test.go

@@ -8,7 +8,7 @@ import (
 
 	"github.com/nspcc-dev/neo-go/internal/testserdes"
 	"github.com/stretchr/testify/assert"
-	"gopkg.in/yaml.v2"
+	"gopkg.in/yaml.v3"
 )
 
 func TestFixed8FromInt64(t *testing.T) {

pkg/smartcontract/callflag/call_flags_test.go

@@ -5,7 +5,7 @@ import (
 
 	"github.com/nspcc-dev/neo-go/internal/testserdes"
 	"github.com/stretchr/testify/require"
-	"gopkg.in/yaml.v2"
+	"gopkg.in/yaml.v3"
 )
 
 func TestCallFlag_Has(t *testing.T) {

pkg/util/uint160_test.go

@@ -8,7 +8,7 @@ import (
 	"github.com/nspcc-dev/neo-go/pkg/util"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
-	"gopkg.in/yaml.v2"
+	"gopkg.in/yaml.v3"
 )
 
 func TestUint160UnmarshalJSON(t *testing.T) {