[#20] Update api version

Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>

.forgejo/workflows/dco.yml

@@ -0,0 +1,21 @@
+name: DCO action
+on: [pull_request]
+
+jobs:
+  dco:
+    name: DCO
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Setup Go
+        uses: actions/setup-go@v3
+        with:
+          go-version: '1.21'
+
+      - name: Run commit format checker
+        uses: https://git.frostfs.info/TrueCloudLab/dco-go@v2
+        with:
+          from: 'origin/${{ github.event.pull_request.base.ref }}'

go.mod

@@ -1,6 +1,6 @@
 module git.frostfs.info/TrueCloudLab/frostfs-api-go/v2
 
-go 1.19
+go 1.20
 
 require (
 	git.frostfs.info/TrueCloudLab/frostfs-crypto v0.6.0

internal/random/rand.go

@@ -1,15 +0,0 @@
-package random
-
-import (
-	"math/rand"
-	"time"
-)
-
-func init() {
-	rand.Seed(time.Now().UnixNano())
-}
-
-// Uint32 returns random uint32 value [0, max).
-func Uint32(max uint32) uint32 {
-	return rand.Uint32() % max
-}

netmap/convert.go

@@ -198,6 +198,7 @@ func (p *PlacementPolicy) ToGRPCMessage() grpc.Message {
 		m.SetSelectors(SelectorsToGRPC(p.selectors))
 		m.SetReplicas(ReplicasToGRPC(p.replicas))
 		m.SetContainerBackupFactor(p.backupFactor)
+		m.SetUnique(p.unique)
 	}
 
 	return m
@@ -228,6 +229,8 @@ func (p *PlacementPolicy) FromGRPCMessage(m grpc.Message) error {
 
 	p.backupFactor = v.GetContainerBackupFactor()
 
+	p.unique = v.GetUnique()
+
 	return nil
 }
 

netmap/grpc/types.go

@@ -20,6 +20,11 @@ func (m *PlacementPolicy) SetFilters(v []*Filter) {
 	m.Filters = v
 }
 
+// SetUnique of placement policy.
+func (m *PlacementPolicy) SetUnique(unique bool) {
+	m.Unique = unique
+}
+
 // SetName of placement filter.
 func (m *Filter) SetName(v string) {
 	m.Name = v

netmap/marshal.go

@@ -65,6 +65,10 @@ func (f *Filter) StableMarshal(buf []byte) []byte {
 }
 
 func (f *Filter) StableSize() (size int) {
+	if f == nil {
+		return 0
+	}
+
 	size += protoutil.StringSize(nameFilterField, f.name)
 	size += protoutil.StringSize(keyFilterField, f.key)
 	size += protoutil.EnumSize(opFilterField, int32(f.op))
@@ -101,6 +105,10 @@ func (s *Selector) StableMarshal(buf []byte) []byte {
 }
 
 func (s *Selector) StableSize() (size int) {
+	if s == nil {
+		return 0
+	}
+
 	size += protoutil.StringSize(nameSelectorField, s.name)
 	size += protoutil.UInt32Size(countSelectorField, s.count)
 	size += protoutil.EnumSize(countSelectorField, int32(s.clause))
@@ -132,6 +140,10 @@ func (r *Replica) StableMarshal(buf []byte) []byte {
 }
 
 func (r *Replica) StableSize() (size int) {
+	if r == nil {
+		return 0
+	}
+
 	size += protoutil.UInt32Size(countReplicaField, r.count)
 	size += protoutil.StringSize(selectorReplicaField, r.selector)
 
@@ -173,6 +185,10 @@ func (p *PlacementPolicy) StableMarshal(buf []byte) []byte {
 }
 
 func (p *PlacementPolicy) StableSize() (size int) {
+	if p == nil {
+		return 0
+	}
+
 	for i := range p.replicas {
 		size += protoutil.NestedStructureSize(replicasPolicyField, &p.replicas[i])
 	}

netmap/test/generate.go

@@ -102,6 +102,7 @@ func GeneratePlacementPolicy(empty bool) *netmap.PlacementPolicy {
 		m.SetFilters(GenerateFilters(false))
 		m.SetSelectors(GenerateSelectors(false))
 		m.SetReplicas(GenerateReplicas(false))
+		m.SetUnique(true)
 	}
 
 	return m

object/test/generate.go

@@ -1,7 +1,9 @@
 package objecttest
 
 import (
-	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/internal/random"
+	"math/rand"
+	"time"
+
 	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/object"
 	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/refs"
 	refstest "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/refs/test"
@@ -186,7 +188,7 @@ func GenerateGetResponseBody(empty bool) *object.GetResponseBody {
 	m := new(object.GetResponseBody)
 
 	if !empty {
-		switch random.Uint32(3) {
+		switch randomInt(3) {
 		case 0:
 			m.SetObjectPart(GenerateGetObjectPartInit(false))
 		case 1:
@@ -240,7 +242,7 @@ func GeneratePutRequestBody(empty bool) *object.PutRequestBody {
 	m := new(object.PutRequestBody)
 
 	if !empty {
-		switch random.Uint32(2) {
+		switch randomInt(2) {
 		case 0:
 			m.SetObjectPart(GeneratePutObjectPartInit(false))
 		case 1:
@@ -362,7 +364,7 @@ func GenerateHeadResponseBody(empty bool) *object.HeadResponseBody {
 	m := new(object.HeadResponseBody)
 
 	if !empty {
-		switch random.Uint32(3) {
+		switch randomInt(3) {
 		case 0:
 			m.SetHeaderPart(GenerateHeaderWithSignature(false))
 		case 1:
@@ -524,7 +526,7 @@ func GenerateGetRangeResponseBody(empty bool) *object.GetRangeResponseBody {
 	m := new(object.GetRangeResponseBody)
 
 	if !empty {
-		switch random.Uint32(2) {
+		switch randomInt(2) {
 		case 0:
 			m.SetRangePart(GenerateGetRangePartChunk(false))
 		case 1:
@@ -642,3 +644,7 @@ func GeneratePutSingleResponse(empty bool) *object.PutSingleResponse {
 	m.SetVerificationHeader(sessiontest.GenerateResponseVerificationHeader(empty))
 	return m
 }
+
+func randomInt(n int) int {
+	return rand.New(rand.NewSource(time.Now().UnixNano())).Intn(n)
+}

object/types.go

@@ -324,7 +324,7 @@ type PutSingleResponse struct {
 const (
 	TypeRegular Type = iota
 	TypeTombstone
-	TypeStorageGroup
+	_
 	TypeLock
 )
 

refs/marshal.go

@@ -6,6 +6,7 @@ import (
 	refs "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/refs/grpc"
 	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/rpc/message"
 	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/util/proto"
+	"google.golang.org/protobuf/encoding/protowire"
 )
 
 const (
@@ -116,7 +117,7 @@ func (o *ObjectID) StableSize() int {
 // ObjectIDNestedListMarshal writes protobuf repeated ObjectID field
 // with fNum number to buf.
 func ObjectIDNestedListMarshal(fNum int64, buf []byte, ids []ObjectID) (off int) {
-	prefix, _ := proto.NestedStructurePrefix(fNum)
+	prefix := protowire.EncodeTag(protowire.Number(fNum), protowire.BytesType)
 	for i := range ids {
 		off += binary.PutUvarint(buf[off:], prefix)
 

rpc/message/test/message.go

@@ -17,6 +17,7 @@ type jsonMessage interface {
 
 type binaryMessage interface {
 	StableMarshal([]byte) []byte
+	StableSize() int
 	Unmarshal([]byte) error
 }
 
@@ -53,6 +54,11 @@ func TestRPCMessage(t *testing.T, msgGens ...func(empty bool) message.Message) {
 			}
 
 			if bm, ok := msg.(binaryMessage); ok {
+				t.Run(fmt.Sprintf("%T.StableSize() does no allocations", bm), func(t *testing.T) {
+					require.Zero(t, testing.AllocsPerRun(1000, func() {
+						_ = bm.StableSize()
+					}))
+				})
 				t.Run(fmt.Sprintf("Binary_%T", msg), func(t *testing.T) {
 					data := bm.StableMarshal(nil)
 

session/marshal.go

@@ -211,7 +211,7 @@ func (c *ObjectSessionContext) StableMarshal(buf []byte) []byte {
 	}
 
 	offset := proto.EnumMarshal(objectCtxVerbField, buf, int32(c.verb))
-	proto.NestedStructureMarshal(objectCtxTargetField, buf[offset:], &objectSessionContextTarget{
+	proto.NestedStructureMarshal(objectCtxTargetField, buf[offset:], objectSessionContextTarget{
 		cnr:  c.cnr,
 		objs: c.objs,
 	})
@@ -225,7 +225,7 @@ func (c *ObjectSessionContext) StableSize() (size int) {
 	}
 
 	size += proto.EnumSize(objectCtxVerbField, int32(c.verb))
-	size += proto.NestedStructureSize(objectCtxTargetField, &objectSessionContextTarget{
+	size += proto.NestedStructureSize(objectCtxTargetField, objectSessionContextTarget{
 		cnr:  c.cnr,
 		objs: c.objs,
 	})

session/test/generate.go

@@ -1,8 +1,10 @@
 package sessiontest
 
 import (
+	"math/rand"
+	"time"
+
 	acltest "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/acl/test"
-	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/internal/random"
 	refstest "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/refs/test"
 	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/session"
 	statustest "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/status/test"
@@ -167,7 +169,7 @@ func GenerateSessionTokenBody(empty bool) *session.TokenBody {
 		m.SetOwnerID(refstest.GenerateOwnerID(false))
 		m.SetLifetime(GenerateTokenLifetime(false))
 
-		switch random.Uint32(2) {
+		switch randomInt(2) {
 		case 0:
 			m.SetContext(GenerateObjectSessionContext(false))
 		case 1:
@@ -236,3 +238,7 @@ func GenerateXHeaders(empty bool) []session.XHeader {
 
 	return xs
 }
+
+func randomInt(n int) int {
+	return rand.New(rand.NewSource(time.Now().UnixNano())).Intn(n)
+}

signature/sign.go

@@ -50,10 +50,6 @@ func signServiceRequest(key *ecdsa.PrivateKey, v serviceRequest) error {
 	if err := signMessageParts(key, body, meta, header, header != nil, result); err != nil {
 		return err
 	}
-
-	if err := verifyServiceMessagePart(body, result.GetBodySignature); err != nil {
-		return fmt.Errorf("DEBUG POINT: could not verify body: %w", err)
-	}
 	result.SetOrigin(header)
 	v.SetVerificationHeader(result)
 	return nil

status/marshal.go

@@ -30,6 +30,10 @@ func (x *Detail) StableMarshal(buf []byte) []byte {
 }
 
 func (x *Detail) StableSize() (size int) {
+	if x == nil {
+		return 0
+	}
+
 	size += protoutil.UInt32Size(detailIDFNum, x.id)
 	size += protoutil.BytesSize(detailValueFNum, x.val)
 
@@ -69,6 +73,10 @@ func (x *Status) StableMarshal(buf []byte) []byte {
 }
 
 func (x *Status) StableSize() (size int) {
+	if x == nil {
+		return 0
+	}
+
 	size += protoutil.UInt32Size(statusCodeFNum, CodeToGRPC(x.code))
 	size += protoutil.StringSize(statusMsgFNum, x.msg)
 

storagegroup/convert.go

@@ -1,59 +0,0 @@
-package storagegroup
-
-import (
-	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/refs"
-	refsGRPC "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/refs/grpc"
-	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/rpc/grpc"
-	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/rpc/message"
-	sg "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/storagegroup/grpc"
-)
-
-func (s *StorageGroup) ToGRPCMessage() grpc.Message {
-	m := new(sg.StorageGroup)
-
-	if s != nil {
-		m = new(sg.StorageGroup)
-
-		m.SetMembers(refs.ObjectIDListToGRPCMessage(s.members))
-		//nolint:staticcheck
-		m.SetExpirationEpoch(s.exp)
-		m.SetValidationDataSize(s.size)
-		m.SetValidationHash(s.hash.ToGRPCMessage().(*refsGRPC.Checksum))
-	}
-
-	return m
-}
-
-func (s *StorageGroup) FromGRPCMessage(m grpc.Message) error {
-	v, ok := m.(*sg.StorageGroup)
-	if !ok {
-		return message.NewUnexpectedMessageType(m, v)
-	}
-
-	var err error
-
-	hash := v.GetValidationHash()
-	if hash == nil {
-		s.hash = nil
-	} else {
-		if s.hash == nil {
-			s.hash = new(refs.Checksum)
-		}
-
-		err = s.hash.FromGRPCMessage(hash)
-		if err != nil {
-			return err
-		}
-	}
-
-	s.members, err = refs.ObjectIDListFromGRPCMessage(v.GetMembers())
-	if err != nil {
-		return err
-	}
-
-	//nolint:staticcheck
-	s.exp = v.GetExpirationEpoch()
-	s.size = v.GetValidationDataSize()
-
-	return nil
-}

storagegroup/grpc/types.go

@@ -1,27 +0,0 @@
-package storagegroup
-
-import (
-	refs "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/refs/grpc"
-)
-
-// SetValidationDataSize sets the total size of the payloads of the storage group.
-func (m *StorageGroup) SetValidationDataSize(v uint64) {
-	m.ValidationDataSize = v
-}
-
-// SetValidationHash sets total homomorphic hash of the storage group payloads.
-func (m *StorageGroup) SetValidationHash(v *refs.Checksum) {
-	m.ValidationHash = v
-}
-
-// SetExpirationEpoch sets number of the last epoch of the storage group lifetime.
-//
-// Deprecated: do not use, `expiration_epoch` field is deprecated in protocol.
-func (m *StorageGroup) SetExpirationEpoch(v uint64) {
-	m.ExpirationEpoch = v
-}
-
-// SetMembers sets list of the identifiers of the storage group members.
-func (m *StorageGroup) SetMembers(v []*refs.ObjectID) {
-	m.Members = v
-}

storagegroup/json.go

@@ -1,14 +0,0 @@
-package storagegroup
-
-import (
-	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/rpc/message"
-	storagegroup "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/storagegroup/grpc"
-)
-
-func (s *StorageGroup) MarshalJSON() ([]byte, error) {
-	return message.MarshalJSON(s)
-}
-
-func (s *StorageGroup) UnmarshalJSON(data []byte) error {
-	return message.UnmarshalJSON(s, data, new(storagegroup.StorageGroup))
-}

storagegroup/marshal.go

@@ -1,54 +0,0 @@
-package storagegroup
-
-import (
-	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/refs"
-	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/rpc/message"
-	storagegroup "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/storagegroup/grpc"
-	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/util/proto"
-)
-
-const (
-	sizeField       = 1
-	hashField       = 2
-	expirationField = 3
-	objectIDsField  = 4
-)
-
-// StableMarshal marshals unified storage group structure in a protobuf
-// compatible way without field order shuffle.
-func (s *StorageGroup) StableMarshal(buf []byte) []byte {
-	if s == nil {
-		return []byte{}
-	}
-
-	if buf == nil {
-		buf = make([]byte, s.StableSize())
-	}
-
-	var offset int
-
-	offset += proto.UInt64Marshal(sizeField, buf[offset:], s.size)
-	offset += proto.NestedStructureMarshal(hashField, buf[offset:], s.hash)
-	offset += proto.UInt64Marshal(expirationField, buf[offset:], s.exp)
-	refs.ObjectIDNestedListMarshal(objectIDsField, buf[offset:], s.members)
-
-	return buf
-}
-
-// StableSize of storage group structure marshalled by StableMarshal function.
-func (s *StorageGroup) StableSize() (size int) {
-	if s == nil {
-		return 0
-	}
-
-	size += proto.UInt64Size(sizeField, s.size)
-	size += proto.NestedStructureSize(hashField, s.hash)
-	size += proto.UInt64Size(expirationField, s.exp)
-	size += refs.ObjectIDNestedListSize(objectIDsField, s.members)
-
-	return size
-}
-
-func (s *StorageGroup) Unmarshal(data []byte) error {
-	return message.Unmarshal(s, data, new(storagegroup.StorageGroup))
-}

storagegroup/message_test.go

@@ -1,15 +0,0 @@
-package storagegroup_test
-
-import (
-	"testing"
-
-	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/rpc/message"
-	messagetest "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/rpc/message/test"
-	storagegrouptest "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/storagegroup/test"
-)
-
-func TestMessageConvert(t *testing.T) {
-	messagetest.TestRPCMessage(t,
-		func(empty bool) message.Message { return storagegrouptest.GenerateStorageGroup(empty) },
-	)
-}

storagegroup/test/generate.go

@@ -1,21 +0,0 @@
-package storagegrouptest
-
-import (
-	refstest "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/refs/test"
-	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/storagegroup"
-)
-
-func GenerateStorageGroup(empty bool) *storagegroup.StorageGroup {
-	m := new(storagegroup.StorageGroup)
-
-	if !empty {
-		m.SetValidationDataSize(44)
-		//nolint:staticcheck
-		m.SetExpirationEpoch(55)
-		m.SetMembers(refstest.GenerateObjectIDs(false))
-	}
-
-	m.SetValidationHash(refstest.GenerateChecksum(empty))
-
-	return m
-}

storagegroup/types.go

@@ -1,79 +0,0 @@
-package storagegroup
-
-import (
-	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/refs"
-)
-
-// StorageGroup is a unified structure of StorageGroup
-// message from proto definition.
-type StorageGroup struct {
-	size uint64
-
-	hash *refs.Checksum
-
-	exp uint64
-
-	members []refs.ObjectID
-}
-
-// GetValidationDataSize of unified storage group structure.
-func (s *StorageGroup) GetValidationDataSize() uint64 {
-	if s != nil {
-		return s.size
-	}
-
-	return 0
-}
-
-// SetValidationDataSize into unified storage group structure.
-func (s *StorageGroup) SetValidationDataSize(v uint64) {
-	s.size = v
-}
-
-// GetValidationHash of unified storage group structure.
-func (s *StorageGroup) GetValidationHash() *refs.Checksum {
-	if s != nil {
-		return s.hash
-	}
-
-	return nil
-}
-
-// SetValidationHash into unified storage group structure.
-func (s *StorageGroup) SetValidationHash(v *refs.Checksum) {
-	s.hash = v
-}
-
-// GetExpirationEpoch of unified storage group structure.
-//
-// Deprecated: Do not use.
-func (s *StorageGroup) GetExpirationEpoch() uint64 {
-	if s != nil {
-		return s.exp
-	}
-
-	return 0
-}
-
-// SetExpirationEpoch into unified storage group structure.
-//
-// Deprecated: Do not use.
-func (s *StorageGroup) SetExpirationEpoch(v uint64) {
-	s.exp = v
-}
-
-// GetMembers of unified storage group structure. Members are objects of
-// storage group.
-func (s *StorageGroup) GetMembers() []refs.ObjectID {
-	if s != nil {
-		return s.members
-	}
-
-	return nil
-}
-
-// SetMembers into unified storage group structure. Members are objects of
-// storage group.
-func (s *StorageGroup) SetMembers(v []refs.ObjectID) {
-	s.members = v
-}

util/proto/marshal.go

@@ -10,7 +10,8 @@ import (
 	"encoding/binary"
 	"math"
 	"math/bits"
-	"reflect"
+
+	"google.golang.org/protobuf/encoding/protowire"
 )
 
 type (
@@ -21,14 +22,22 @@ type (
 )
 
 func BytesMarshal(field int, buf, v []byte) int {
-	if len(v) == 0 {
-		return 0
-	}
 	return bytesMarshal(field, buf, v)
 }
 
-func bytesMarshal(field int, buf, v []byte) int {
-	prefix := field<<3 | 0x2
+func BytesSize(field int, v []byte) int {
+	return bytesSize(field, v)
+}
+
+func bytesMarshal[T ~[]byte | ~string](field int, buf []byte, v T) int {
+	if len(v) == 0 {
+		return 0
+	}
+	return bytesMarshalNoCheck(field, buf, v)
+}
+
+func bytesMarshalNoCheck[T ~[]byte | ~string](field int, buf []byte, v T) int {
+	prefix := protowire.EncodeTag(protowire.Number(field), protowire.BytesType)
 
 	// buf length check can prevent panic at PutUvarint, but it will make
 	// marshaller a bit slower.
@@ -39,26 +48,23 @@ func bytesMarshal(field int, buf, v []byte) int {
 	return i
 }
 
-func BytesSize(field int, v []byte) int {
-	ln := len(v)
-	if ln == 0 {
+func bytesSize[T ~[]byte | ~string](field int, v T) int {
+	if len(v) == 0 {
 		return 0
 	}
-	return bytesSize(field, v)
+	return bytesSizeNoCheck(field, v)
 }
 
-func bytesSize(field int, v []byte) int {
-	prefix := field<<3 | 0x2
-
-	return VarUIntSize(uint64(prefix)) + VarUIntSize(uint64(len(v))) + len(v)
+func bytesSizeNoCheck[T ~[]byte | ~string](field int, v T) int {
+	return protowire.SizeGroup(protowire.Number(field), protowire.SizeBytes(len(v)))
 }
 
 func StringMarshal(field int, buf []byte, v string) int {
-	return BytesMarshal(field, buf, []byte(v))
+	return bytesMarshal(field, buf, v)
 }
 
 func StringSize(field int, v string) int {
-	return BytesSize(field, []byte(v))
+	return bytesSize(field, v)
 }
 
 func BoolMarshal(field int, buf []byte, v bool) int {
@@ -66,12 +72,13 @@ func BoolMarshal(field int, buf []byte, v bool) int {
 		return 0
 	}
 
-	prefix := field << 3
+	prefix := protowire.EncodeTag(protowire.Number(field), protowire.VarintType)
 
 	// buf length check can prevent panic at PutUvarint, but it will make
 	// marshaller a bit slower.
 	i := binary.PutUvarint(buf, uint64(prefix))
-	buf[i] = 0x1
+	const boolTrueValue = 0x1
+	buf[i] = boolTrueValue
 
 	return i + 1
 }
@@ -80,10 +87,8 @@ func BoolSize(field int, v bool) int {
 	if !v {
 		return 0
 	}
-
-	prefix := field << 3
-
-	return VarUIntSize(uint64(prefix)) + 1 // bool is always 1 byte long
+	const boolLength = 1
+	return protowire.SizeGroup(protowire.Number(field), boolLength)
 }
 
 func UInt64Marshal(field int, buf []byte, v uint64) int {
@@ -91,7 +96,7 @@ func UInt64Marshal(field int, buf []byte, v uint64) int {
 		return 0
 	}
 
-	prefix := field << 3
+	prefix := protowire.EncodeTag(protowire.Number(field), protowire.VarintType)
 
 	// buf length check can prevent panic at PutUvarint, but it will make
 	// marshaller a bit slower.
@@ -105,10 +110,7 @@ func UInt64Size(field int, v uint64) int {
 	if v == 0 {
 		return 0
 	}
-
-	prefix := field << 3
-
-	return VarUIntSize(uint64(prefix)) + VarUIntSize(v)
+	return protowire.SizeGroup(protowire.Number(field), protowire.SizeVarint(v))
 }
 
 func Int64Marshal(field int, buf []byte, v int64) int {
@@ -147,7 +149,7 @@ func RepeatedBytesMarshal(field int, buf []byte, v [][]byte) int {
 	var offset int
 
 	for i := range v {
-		offset += bytesMarshal(field, buf[offset:], v[i])
+		offset += bytesMarshalNoCheck(field, buf[offset:], v[i])
 	}
 
 	return offset
@@ -155,7 +157,7 @@ func RepeatedBytesMarshal(field int, buf []byte, v [][]byte) int {
 
 func RepeatedBytesSize(field int, v [][]byte) (size int) {
 	for i := range v {
-		size += bytesSize(field, v[i])
+		size += bytesSizeNoCheck(field, v[i])
 	}
 
 	return size
@@ -165,7 +167,7 @@ func RepeatedStringMarshal(field int, buf []byte, v []string) int {
 	var offset int
 
 	for i := range v {
-		offset += bytesMarshal(field, buf[offset:], []byte(v[i]))
+		offset += bytesMarshalNoCheck(field, buf[offset:], v[i])
 	}
 
 	return offset
@@ -173,123 +175,73 @@ func RepeatedStringMarshal(field int, buf []byte, v []string) int {
 
 func RepeatedStringSize(field int, v []string) (size int) {
 	for i := range v {
-		size += bytesSize(field, []byte(v[i]))
+		size += bytesSizeNoCheck(field, v[i])
 	}
 
 	return size
 }
 
-func RepeatedUInt64Marshal(field int, buf []byte, v []uint64) int {
+func repeatedUIntSize[T ~uint64 | ~int64 | ~uint32 | ~int32](field int, v []T) (size, arraySize int) {
+	if len(v) == 0 {
+		return 0, 0
+	}
+
+	for i := range v {
+		arraySize += protowire.SizeVarint(uint64(v[i]))
+	}
+
+	size = protowire.SizeGroup(protowire.Number(field), protowire.SizeBytes(arraySize))
+
+	return
+}
+
+func repeatedUIntMarshal[T ~uint64 | ~int64 | ~uint32 | ~int32](field int, buf []byte, v []T) int {
 	if len(v) == 0 {
 		return 0
 	}
 
-	prefix := field<<3 | 0x02
+	prefix := protowire.EncodeTag(protowire.Number(field), protowire.BytesType)
 	offset := binary.PutUvarint(buf, uint64(prefix))
 
-	_, arrSize := RepeatedUInt64Size(field, v)
+	_, arrSize := repeatedUIntSize(field, v)
 	offset += binary.PutUvarint(buf[offset:], uint64(arrSize))
 	for i := range v {
-		offset += binary.PutUvarint(buf[offset:], v[i])
+		offset += binary.PutUvarint(buf[offset:], uint64(v[i]))
 	}
 
 	return offset
 }
 
+func RepeatedUInt64Marshal(field int, buf []byte, v []uint64) int {
+	return repeatedUIntMarshal(field, buf, v)
+}
+
 func RepeatedUInt64Size(field int, v []uint64) (size, arraySize int) {
-	if len(v) == 0 {
-		return 0, 0
-	}
-
-	for i := range v {
-		size += VarUIntSize(v[i])
-	}
-	arraySize = size
-
-	size += VarUIntSize(uint64(size))
-
-	prefix := field<<3 | 0x2
-	size += VarUIntSize(uint64(prefix))
-
-	return size, arraySize
+	return repeatedUIntSize(field, v)
 }
 
 func RepeatedInt64Marshal(field int, buf []byte, v []int64) int {
-	if len(v) == 0 {
-		return 0
-	}
-
-	convert := make([]uint64, len(v))
-	for i := range v {
-		convert[i] = uint64(v[i])
-	}
-
-	return RepeatedUInt64Marshal(field, buf, convert)
+	return repeatedUIntMarshal(field, buf, v)
 }
 
 func RepeatedInt64Size(field int, v []int64) (size, arraySize int) {
-	if len(v) == 0 {
-		return 0, 0
-	}
-
-	convert := make([]uint64, len(v))
-	for i := range v {
-		convert[i] = uint64(v[i])
-	}
-
-	return RepeatedUInt64Size(field, convert)
+	return repeatedUIntSize(field, v)
 }
 
 func RepeatedUInt32Marshal(field int, buf []byte, v []uint32) int {
-	if len(v) == 0 {
-		return 0
-	}
-
-	convert := make([]uint64, len(v))
-	for i := range v {
-		convert[i] = uint64(v[i])
-	}
-
-	return RepeatedUInt64Marshal(field, buf, convert)
+	return repeatedUIntMarshal(field, buf, v)
 }
 
 func RepeatedUInt32Size(field int, v []uint32) (size, arraySize int) {
-	if len(v) == 0 {
-		return 0, 0
-	}
-
-	convert := make([]uint64, len(v))
-	for i := range v {
-		convert[i] = uint64(v[i])
-	}
-
-	return RepeatedUInt64Size(field, convert)
+	return repeatedUIntSize(field, v)
 }
 
 func RepeatedInt32Marshal(field int, buf []byte, v []int32) int {
-	if len(v) == 0 {
-		return 0
-	}
-
-	convert := make([]uint64, len(v))
-	for i := range v {
-		convert[i] = uint64(v[i])
-	}
-
-	return RepeatedUInt64Marshal(field, buf, convert)
+	return repeatedUIntMarshal(field, buf, v)
 }
 
 func RepeatedInt32Size(field int, v []int32) (size, arraySize int) {
-	if len(v) == 0 {
-		return 0, 0
-	}
-
-	convert := make([]uint64, len(v))
-	for i := range v {
-		convert[i] = uint64(v[i])
-	}
-
-	return RepeatedUInt64Size(field, convert)
+	return repeatedUIntSize(field, v)
 }
 
 // VarUIntSize returns length of varint byte sequence for uint64 value 'x'.
@@ -297,36 +249,27 @@ func VarUIntSize(x uint64) int {
 	return (bits.Len64(x|1) + 6) / 7
 }
 
-func NestedStructurePrefix(field int64) (prefix uint64, ln int) {
-	prefix = uint64(field<<3 | 0x02)
-	return prefix, VarUIntSize(prefix)
-}
-
-func NestedStructureMarshal(field int64, buf []byte, v stableMarshaller) int {
-	if v == nil || reflect.ValueOf(v).IsNil() {
+func NestedStructureMarshal[T stableMarshaller](field int64, buf []byte, v T) int {
+	n := v.StableSize()
+	if n == 0 {
 		return 0
 	}
 
-	prefix, _ := NestedStructurePrefix(field)
+	prefix := protowire.EncodeTag(protowire.Number(field), protowire.BytesType)
 	offset := binary.PutUvarint(buf, prefix)
-
-	n := v.StableSize()
 	offset += binary.PutUvarint(buf[offset:], uint64(n))
 	v.StableMarshal(buf[offset:])
 
 	return offset + n
 }
 
-func NestedStructureSize(field int64, v stableMarshaller) (size int) {
-	if v == nil || reflect.ValueOf(v).IsNil() {
+func NestedStructureSize[T stableMarshaller](field int64, v T) (size int) {
+	n := v.StableSize()
+	if n == 0 {
 		return 0
 	}
-
-	_, ln := NestedStructurePrefix(field)
-	n := v.StableSize()
-	size = ln + VarUIntSize(uint64(n)) + n
-
-	return size
+	size = protowire.SizeGroup(protowire.Number(field), protowire.SizeBytes(n))
+	return
 }
 
 func Fixed64Marshal(field int, buf []byte, v uint64) int {
@@ -334,7 +277,7 @@ func Fixed64Marshal(field int, buf []byte, v uint64) int {
 		return 0
 	}
 
-	prefix := field<<3 | 1
+	prefix := protowire.EncodeTag(protowire.Number(field), protowire.Fixed64Type)
 
 	// buf length check can prevent panic at PutUvarint, but it will make
 	// marshaller a bit slower.
@@ -348,10 +291,7 @@ func Fixed64Size(fNum int, v uint64) int {
 	if v == 0 {
 		return 0
 	}
-
-	prefix := fNum<<3 | 1
-
-	return VarUIntSize(uint64(prefix)) + 8
+	return protowire.SizeGroup(protowire.Number(fNum), protowire.SizeFixed64())
 }
 
 func Float64Marshal(field int, buf []byte, v float64) int {
@@ -359,7 +299,7 @@ func Float64Marshal(field int, buf []byte, v float64) int {
 		return 0
 	}
 
-	prefix := field<<3 | 1
+	prefix := protowire.EncodeTag(protowire.Number(field), protowire.Fixed64Type)
 
 	i := binary.PutUvarint(buf, uint64(prefix))
 	binary.LittleEndian.PutUint64(buf[i:], math.Float64bits(v))
@@ -371,10 +311,7 @@ func Float64Size(fNum int, v float64) int {
 	if v == 0 {
 		return 0
 	}
-
-	prefix := fNum<<3 | 1
-
-	return VarUIntSize(uint64(prefix)) + 8
+	return protowire.SizeGroup(protowire.Number(fNum), protowire.SizeFixed64())
 }
 
 // Fixed32Marshal encodes uint32 value to Protocol Buffers fixed32 field with specified number,
@@ -386,7 +323,7 @@ func Fixed32Marshal(field int, buf []byte, v uint32) int {
 		return 0
 	}
 
-	prefix := field<<3 | 5
+	prefix := protowire.EncodeTag(protowire.Number(field), protowire.Fixed32Type)
 
 	// buf length check can prevent panic at PutUvarint, but it will make
 	// marshaller a bit slower.
@@ -402,8 +339,5 @@ func Fixed32Size(fNum int, v uint32) int {
 	if v == 0 {
 		return 0
 	}
-
-	prefix := fNum<<3 | 5
-
-	return VarUIntSize(uint64(prefix)) + 4
+	return protowire.SizeGroup(protowire.Number(fNum), protowire.SizeFixed32())
 }

util/protogen/main.go

@@ -59,6 +59,7 @@ func emitMessage(g *protogen.GeneratedFile, msg *protogen.Message) {
 	g.P("//")
 	g.P("// Structures with the same field values have the same binary size.")
 	g.P("func (x *", msg.GoIdent.GoName, ") StableSize() (size int) {")
+	g.P("if x == nil { return 0 }")
 	if len(fs) != 0 {
 		for _, f := range fs {
 			if f.Desc.IsList() && marshalers[f.Desc.Kind()].RepeatedDouble {