[#293] object: Fix payload size limiter

* Sending empty chunks by `writeChunk` should not release new
  objects as this doesn't change `payloadSizeLimiter` internal
  state.
* This also fixes the bug with patcher when an offset of a patch
  equals to `MaxSize` - `payloadSizeLimiter` releases object again
  although state is the same. This led to error because EC-encoder
  receieved empty payload and couldn't not process it.

Signed-off-by: Airat Arifullin <a.arifullin@yadro.com>

.gitattributes

@@ -2,3 +2,6 @@
 /pkg/policy/parser/generate.go diff
 **/*.interp -diff
 **/*.tokens -diff
+/**/*.pb.go -diff -merge
+/**/*.pb.go linguist-generated=true
+/go.sum -diff

.github/CODEOWNERS

@@ -1 +0,0 @@
-*   @TrueCloudLab/storage-core @TrueCloudLab/storage-services

.gitignore

@@ -23,7 +23,7 @@ coverage.txt
 coverage.html
 
 # antlr tool jar
-antlr-*.jar
+antlr*.jar
 
 # tempfiles
 .cache

.golangci.yml

@@ -52,7 +52,7 @@ linters:
     - bidichk
     - durationcheck
     - exhaustive
-    - exportloopref
+    - copyloopvar
     - gofmt
     - goimports
     - misspell
@@ -63,5 +63,7 @@ linters:
     - funlen
     - gocognit
     - contextcheck
+    - protogetter
+    - intrange
   disable-all: true
   fast: false

CODEOWNERS

@@ -0,0 +1 @@
+.*   @TrueCloudLab/storage-core @TrueCloudLab/storage-services

Makefile

@@ -1,17 +1,82 @@
 #!/usr/bin/make -f
 
-ANTLR_VERSION="4.13.0"
+ANTLR_VERSION=4.13.1
 TMP_DIR := .cache
-LINT_VERSION ?= 1.60.1
-TRUECLOUDLAB_LINT_VERSION ?= 0.0.6
+LINT_VERSION ?= 1.61.0
+TRUECLOUDLAB_LINT_VERSION ?= 0.0.7
 OUTPUT_LINT_DIR ?= $(shell pwd)/bin
 LINT_DIR = $(OUTPUT_LINT_DIR)/golangci-lint-$(LINT_VERSION)-v$(TRUECLOUDLAB_LINT_VERSION)
 
+PROTOC_VERSION ?= 27.2
+PROTOC_GEN_GO_VERSION ?= $(shell go list -f '{{.Version}}' -m google.golang.org/protobuf)
+PROTOC_OS_VERSION=osx-x86_64
+ifeq ($(shell uname), Linux)
+	PROTOC_OS_VERSION=linux-x86_64
+endif
+
+BIN = bin
+PROTOBUF_DIR ?= $(abspath $(BIN))/protobuf
+PROTOC_DIR ?= $(PROTOBUF_DIR)/protoc-v$(PROTOC_VERSION)
+PROTOC_GEN_GO_DIR ?= $(PROTOBUF_DIR)/protoc-gen-go-$(PROTOC_GEN_GO_VERSION)
+
+
+.PHONY: dep imports protoc test lint help $(BIN)/protogen protoc-test
+
 # Run tests
 test: GOFLAGS ?= "-cover -count=1"
 test:
 	@GOFLAGS=$(GOFLAGS) go test ./...
 
+# Reformat imports
+imports:
+	@echo "⇒ Processing goimports check"
+	@for f in `find . -type f -name '*.go' -not -name '*.pb.go' -prune`; do \
+		goimports -w $$f; \
+	done
+
+# Install protoc
+protoc-install:
+	@rm -rf $(PROTOBUF_DIR)
+	@mkdir -p $(PROTOBUF_DIR)
+	@echo "⇒ Installing protoc... "
+	@wget -q -O $(PROTOBUF_DIR)/protoc-$(PROTOC_VERSION).zip 'https://github.com/protocolbuffers/protobuf/releases/download/v$(PROTOC_VERSION)/protoc-$(PROTOC_VERSION)-$(PROTOC_OS_VERSION).zip'
+	@unzip -q -o $(PROTOBUF_DIR)/protoc-$(PROTOC_VERSION).zip -d $(PROTOC_DIR)
+	@rm $(PROTOBUF_DIR)/protoc-$(PROTOC_VERSION).zip
+	@echo "⇒ Installing protoc-gen-go..."
+	@GOBIN=$(PROTOC_GEN_GO_DIR) go install -v google.golang.org/protobuf/...@$(PROTOC_GEN_GO_VERSION)
+
+
+# Regenerate code for proto files
+protoc:
+	@if [ ! -d "$(PROTOC_DIR)" ] || [ ! -d "$(PROTOC_GEN_GO_DIR)" ]; then \
+		make protoc-install; \
+	fi
+	# Protoc generate
+	@for f in `find . -type f -name '*.proto' -not -path './bin/*' -not -path './api/util/proto/test/*'`; do \
+		echo "⇒ Processing $$f "; \
+		$(PROTOC_DIR)/bin/protoc \
+			--proto_path=.:$(PROTOC_DIR)/include:/usr/local/include \
+			--plugin=protoc-gen-go-frostfs=$(abspath ./bin/protogen) \
+			--go-frostfs_out=fuzz=true:. \
+			--go-frostfs_opt=paths=source_relative \
+			--go-grpc_opt=require_unimplemented_servers=false \
+			--go-grpc_out=. --go-grpc_opt=paths=source_relative $$f; \
+	done
+
+$(BIN)/protogen:
+	@go build -v -trimpath \
+		-o $(BIN)/protogen \
+		./api/util/protogen
+
+protoc-test: protoc $(BIN)/protogen
+	@$(PROTOC_DIR)/bin/protoc \
+			--go_out=. --go_opt=paths=source_relative \
+			--plugin=protoc-gen-go-frostfs=$(abspath $(BIN)/protogen) \
+			--go-frostfs_opt=Mapi/util/proto/test/test.proto=git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/util/proto/test/custom \
+			--go-frostfs_opt=module=git.frostfs.info/TrueCloudLab/frostfs-sdk-go \
+			--go-frostfs_out=. --go-frostfs_opt=paths=import \
+			./api/util/proto/test/test.proto
+
 # Pull go dependencies
 dep:
 	@printf "⇒ Download requirements: "
@@ -53,7 +118,8 @@ format:
 
 policy:
 	@wget -q https://www.antlr.org/download/antlr-${ANTLR_VERSION}-complete.jar -O antlr4-tool.jar
-	@java -Xmx500M -cp "`pwd`/antlr4-tool.jar" "org.antlr.v4.Tool" -o `pwd`/netmap/parser/ -Dlanguage=Go -no-listener -visitor `pwd`/netmap/parser/Query.g4 `pwd`/netmap/parser/QueryLexer.g4
+	@java -Xmx500M -cp antlr4-tool.jar org.antlr.v4.Tool -Dlanguage=Go \
+	-no-listener -visitor netmap/parser/Query.g4 netmap/parser/QueryLexer.g4
 
 # Run `make %` in truecloudlab/frostfs-sdk-go container(Golang+Java)
 docker/%:
@@ -77,3 +143,15 @@ help:
 	@echo '  Targets:'
 	@echo ''
 	@awk '/^#/{ comment = substr($$0,3) } comment && /^[a-zA-Z][a-zA-Z0-9_-]+ ?:/{ print "   ", $$1, comment }' $(MAKEFILE_LIST) | column -t -s ':' | grep -v 'IGNORE' | sort -u
+
+# Activate pre-commit hooks
+pre-commit:
+	pre-commit install --hook-type pre-commit
+
+# Deactivate pre-commit hooks
+unpre-commit:
+	pre-commit uninstall --hook-type pre-commit
+
+# Run pre-commit hooks
+pre-commit-run:
+	@pre-commit run --all-files --hook-stage manual

accounting/decimal.go

@@ -1,10 +1,10 @@
 package accounting
 
-import "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/accounting"
+import "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/accounting"
 
 // Decimal represents decimal number for accounting operations.
 //
-// Decimal is mutually compatible with git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/accounting.Decimal
+// Decimal is mutually compatible with git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/accounting.Decimal
 // message. See ReadFromV2 / WriteToV2 methods.
 //
 // Instances can be created using built-in var declaration.

accounting/decimal_test.go

@@ -3,8 +3,8 @@ package accounting_test
 import (
 	"testing"
 
-	v2accounting "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/accounting"
 	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/accounting"
+	v2accounting "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/accounting"
 	"github.com/stretchr/testify/require"
 )
 

accounting/doc.go

@@ -13,7 +13,7 @@ Instances can be also used to process FrostFS API V2 protocol messages
 
 On client side:
 
-	import "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/accounting"
+	import "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/accounting"
 
 	var msg accounting.Decimal
 	dec.WriteToV2(&msg)

ape/chain.go

@@ -4,7 +4,7 @@ import (
 	"errors"
 	"fmt"
 
-	apeV2 "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/ape"
+	apeV2 "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/ape"
 )
 
 var (

ape/chain_target.go

@@ -1,7 +1,7 @@
 package ape
 
 import (
-	apeV2 "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/ape"
+	apeV2 "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/ape"
 )
 
 // TargetType is an SDK representation for v2's TargetType.

ape/chain_target_test.go

@@ -6,7 +6,7 @@ import (
 	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/ape"
 	"github.com/stretchr/testify/require"
 
-	apeV2 "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/ape"
+	apeV2 "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/ape"
 )
 
 var (

ape/chain_test.go

@@ -6,7 +6,7 @@ import (
 	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/ape"
 	"github.com/stretchr/testify/require"
 
-	apeV2 "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/ape"
+	apeV2 "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/ape"
 )
 
 const (

ape/grpc/types_frostfs_fuzz.go

@@ -0,0 +1,45 @@
+//go:build gofuzz
+// +build gofuzz
+
+// Code generated by protoc-gen-go-frostfs. DO NOT EDIT.
+
+package ape
+
+func DoFuzzProtoChainTarget(data []byte) int {
+	msg := new(ChainTarget)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONChainTarget(data []byte) int {
+	msg := new(ChainTarget)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}
+func DoFuzzProtoChain(data []byte) int {
+	msg := new(Chain)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONChain(data []byte) int {
+	msg := new(Chain)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}

ape/grpc/types_frostfs_test.go

@@ -0,0 +1,31 @@
+//go:build gofuzz
+// +build gofuzz
+
+// Code generated by protoc-gen-go-frostfs. DO NOT EDIT.
+
+package ape
+
+import (
+	testing "testing"
+)
+
+func FuzzProtoChainTarget(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoChainTarget(data)
+	})
+}
+func FuzzJSONChainTarget(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONChainTarget(data)
+	})
+}
+func FuzzProtoChain(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoChain(data)
+	})
+}
+func FuzzJSONChain(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONChain(data)
+	})
+}

api/accounting/accounting.go

@@ -0,0 +1,104 @@
+package accounting
+
+import (
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/refs"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/session"
+)
+
+type BalanceRequestBody struct {
+	ownerID *refs.OwnerID
+}
+
+type BalanceResponseBody struct {
+	bal *Decimal
+}
+
+type Decimal struct {
+	val int64
+
+	prec uint32
+}
+
+type BalanceRequest struct {
+	body *BalanceRequestBody
+
+	session.RequestHeaders
+}
+
+type BalanceResponse struct {
+	body *BalanceResponseBody
+
+	session.ResponseHeaders
+}
+
+func (b *BalanceRequestBody) GetOwnerID() *refs.OwnerID {
+	if b != nil {
+		return b.ownerID
+	}
+
+	return nil
+}
+
+func (b *BalanceRequestBody) SetOwnerID(v *refs.OwnerID) {
+	b.ownerID = v
+}
+
+func (b *BalanceRequest) GetBody() *BalanceRequestBody {
+	if b != nil {
+		return b.body
+	}
+
+	return nil
+}
+
+func (b *BalanceRequest) SetBody(v *BalanceRequestBody) {
+	b.body = v
+}
+
+func (d *Decimal) GetValue() int64 {
+	if d != nil {
+		return d.val
+	}
+
+	return 0
+}
+
+func (d *Decimal) SetValue(v int64) {
+	d.val = v
+}
+
+func (d *Decimal) GetPrecision() uint32 {
+	if d != nil {
+		return d.prec
+	}
+
+	return 0
+}
+
+func (d *Decimal) SetPrecision(v uint32) {
+	d.prec = v
+}
+
+func (br *BalanceResponseBody) GetBalance() *Decimal {
+	if br != nil {
+		return br.bal
+	}
+
+	return nil
+}
+
+func (br *BalanceResponseBody) SetBalance(v *Decimal) {
+	br.bal = v
+}
+
+func (br *BalanceResponse) GetBody() *BalanceResponseBody {
+	if br != nil {
+		return br.body
+	}
+
+	return nil
+}
+
+func (br *BalanceResponse) SetBody(v *BalanceResponseBody) {
+	br.body = v
+}

api/accounting/convert.go

@@ -0,0 +1,178 @@
+package accounting
+
+import (
+	accounting "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/accounting/grpc"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/refs"
+	refsGRPC "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/refs/grpc"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/rpc/grpc"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/rpc/message"
+)
+
+func (b *BalanceRequestBody) ToGRPCMessage() grpc.Message {
+	var m *accounting.BalanceRequest_Body
+
+	if b != nil {
+		m = new(accounting.BalanceRequest_Body)
+
+		m.SetOwnerId(b.ownerID.ToGRPCMessage().(*refsGRPC.OwnerID))
+	}
+
+	return m
+}
+
+func (b *BalanceRequestBody) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*accounting.BalanceRequest_Body)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	ownerID := v.GetOwnerId()
+	if ownerID == nil {
+		b.ownerID = nil
+	} else {
+		if b.ownerID == nil {
+			b.ownerID = new(refs.OwnerID)
+		}
+
+		err = b.ownerID.FromGRPCMessage(ownerID)
+	}
+
+	return err
+}
+
+func (b *BalanceRequest) ToGRPCMessage() grpc.Message {
+	var m *accounting.BalanceRequest
+
+	if b != nil {
+		m = new(accounting.BalanceRequest)
+
+		m.SetBody(b.body.ToGRPCMessage().(*accounting.BalanceRequest_Body))
+		b.RequestHeaders.ToMessage(m)
+	}
+
+	return m
+}
+
+func (b *BalanceRequest) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*accounting.BalanceRequest)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	body := v.GetBody()
+	if body == nil {
+		b.body = nil
+	} else {
+		if b.body == nil {
+			b.body = new(BalanceRequestBody)
+		}
+
+		err = b.body.FromGRPCMessage(body)
+		if err != nil {
+			return err
+		}
+	}
+
+	return b.RequestHeaders.FromMessage(v)
+}
+
+func (d *Decimal) ToGRPCMessage() grpc.Message {
+	var m *accounting.Decimal
+
+	if d != nil {
+		m = new(accounting.Decimal)
+
+		m.SetValue(d.val)
+		m.SetPrecision(d.prec)
+	}
+
+	return m
+}
+
+func (d *Decimal) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*accounting.Decimal)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	d.val = v.GetValue()
+	d.prec = v.GetPrecision()
+
+	return nil
+}
+
+func (br *BalanceResponseBody) ToGRPCMessage() grpc.Message {
+	var m *accounting.BalanceResponse_Body
+
+	if br != nil {
+		m = new(accounting.BalanceResponse_Body)
+
+		m.SetBalance(br.bal.ToGRPCMessage().(*accounting.Decimal))
+	}
+
+	return m
+}
+
+func (br *BalanceResponseBody) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*accounting.BalanceResponse_Body)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	bal := v.GetBalance()
+	if bal == nil {
+		br.bal = nil
+	} else {
+		if br.bal == nil {
+			br.bal = new(Decimal)
+		}
+
+		err = br.bal.FromGRPCMessage(bal)
+	}
+
+	return err
+}
+
+func (br *BalanceResponse) ToGRPCMessage() grpc.Message {
+	var m *accounting.BalanceResponse
+
+	if br != nil {
+		m = new(accounting.BalanceResponse)
+
+		m.SetBody(br.body.ToGRPCMessage().(*accounting.BalanceResponse_Body))
+		br.ResponseHeaders.ToMessage(m)
+	}
+
+	return m
+}
+
+func (br *BalanceResponse) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*accounting.BalanceResponse)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	body := v.GetBody()
+	if body == nil {
+		br.body = nil
+	} else {
+		if br.body == nil {
+			br.body = new(BalanceResponseBody)
+		}
+
+		err = br.body.FromGRPCMessage(body)
+		if err != nil {
+			return err
+		}
+	}
+
+	return br.ResponseHeaders.FromMessage(v)
+}

api/accounting/grpc/service_frostfs_fuzz.go

@@ -0,0 +1,45 @@
+//go:build gofuzz
+// +build gofuzz
+
+// Code generated by protoc-gen-go-frostfs. DO NOT EDIT.
+
+package accounting
+
+func DoFuzzProtoBalanceRequest(data []byte) int {
+	msg := new(BalanceRequest)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONBalanceRequest(data []byte) int {
+	msg := new(BalanceRequest)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}
+func DoFuzzProtoBalanceResponse(data []byte) int {
+	msg := new(BalanceResponse)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONBalanceResponse(data []byte) int {
+	msg := new(BalanceResponse)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}

api/accounting/grpc/service_frostfs_test.go

@@ -0,0 +1,31 @@
+//go:build gofuzz
+// +build gofuzz
+
+// Code generated by protoc-gen-go-frostfs. DO NOT EDIT.
+
+package accounting
+
+import (
+	testing "testing"
+)
+
+func FuzzProtoBalanceRequest(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoBalanceRequest(data)
+	})
+}
+func FuzzJSONBalanceRequest(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONBalanceRequest(data)
+	})
+}
+func FuzzProtoBalanceResponse(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoBalanceResponse(data)
+	})
+}
+func FuzzJSONBalanceResponse(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONBalanceResponse(data)
+	})
+}

api/accounting/grpc/types_frostfs_fuzz.go

@@ -0,0 +1,26 @@
+//go:build gofuzz
+// +build gofuzz
+
+// Code generated by protoc-gen-go-frostfs. DO NOT EDIT.
+
+package accounting
+
+func DoFuzzProtoDecimal(data []byte) int {
+	msg := new(Decimal)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONDecimal(data []byte) int {
+	msg := new(Decimal)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}

api/accounting/grpc/types_frostfs_test.go

@@ -0,0 +1,21 @@
+//go:build gofuzz
+// +build gofuzz
+
+// Code generated by protoc-gen-go-frostfs. DO NOT EDIT.
+
+package accounting
+
+import (
+	testing "testing"
+)
+
+func FuzzProtoDecimal(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoDecimal(data)
+	})
+}
+func FuzzJSONDecimal(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONDecimal(data)
+	})
+}

api/accounting/json.go

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

api/accounting/marshal.go

@@ -0,0 +1,104 @@
+package accounting
+
+import (
+	accounting "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/accounting/grpc"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/rpc/message"
+	protoutil "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/util/proto"
+)
+
+const (
+	decimalValueField     = 1
+	decimalPrecisionField = 2
+
+	balanceReqBodyOwnerField = 1
+
+	balanceRespBodyDecimalField = 1
+)
+
+func (d *Decimal) StableMarshal(buf []byte) []byte {
+	if d == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, d.StableSize())
+	}
+
+	var offset int
+
+	offset += protoutil.Int64Marshal(decimalValueField, buf[offset:], d.val)
+	protoutil.UInt32Marshal(decimalPrecisionField, buf[offset:], d.prec)
+
+	return buf
+}
+
+func (d *Decimal) StableSize() (size int) {
+	if d == nil {
+		return 0
+	}
+
+	size += protoutil.Int64Size(decimalValueField, d.val)
+	size += protoutil.UInt32Size(decimalPrecisionField, d.prec)
+
+	return size
+}
+
+func (d *Decimal) Unmarshal(data []byte) error {
+	return message.Unmarshal(d, data, new(accounting.Decimal))
+}
+
+func (b *BalanceRequestBody) StableMarshal(buf []byte) []byte {
+	if b == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, b.StableSize())
+	}
+
+	protoutil.NestedStructureMarshal(balanceReqBodyOwnerField, buf, b.ownerID)
+
+	return buf
+}
+
+func (b *BalanceRequestBody) StableSize() (size int) {
+	if b == nil {
+		return 0
+	}
+
+	size = protoutil.NestedStructureSize(balanceReqBodyOwnerField, b.ownerID)
+
+	return size
+}
+
+func (b *BalanceRequestBody) Unmarshal(data []byte) error {
+	return message.Unmarshal(b, data, new(accounting.BalanceRequest_Body))
+}
+
+func (br *BalanceResponseBody) StableMarshal(buf []byte) []byte {
+	if br == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, br.StableSize())
+	}
+
+	protoutil.NestedStructureMarshal(balanceRespBodyDecimalField, buf, br.bal)
+
+	return buf
+}
+
+func (br *BalanceResponseBody) StableSize() (size int) {
+	if br == nil {
+		return 0
+	}
+
+	size = protoutil.NestedStructureSize(balanceRespBodyDecimalField, br.bal)
+
+	return size
+}
+
+func (br *BalanceResponseBody) Unmarshal(data []byte) error {
+	return message.Unmarshal(br, data, new(accounting.BalanceResponse_Body))
+}

api/accounting/message_test.go

@@ -0,0 +1,19 @@
+package accounting_test
+
+import (
+	"testing"
+
+	accountingtest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/accounting/test"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/rpc/message"
+	messagetest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/rpc/message/test"
+)
+
+func TestMessage(t *testing.T) {
+	messagetest.TestRPCMessage(t,
+		func(empty bool) message.Message { return accountingtest.GenerateDecimal(empty) },
+		func(empty bool) message.Message { return accountingtest.GenerateBalanceRequestBody(empty) },
+		func(empty bool) message.Message { return accountingtest.GenerateBalanceRequest(empty) },
+		func(empty bool) message.Message { return accountingtest.GenerateBalanceResponseBody(empty) },
+		func(empty bool) message.Message { return accountingtest.GenerateBalanceResponse(empty) },
+	)
+}

api/accounting/test/generate.go

@@ -0,0 +1,64 @@
+package accountingtest
+
+import (
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/accounting"
+	accountingtest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/refs/test"
+	sessiontest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/session/test"
+)
+
+func GenerateBalanceRequest(empty bool) *accounting.BalanceRequest {
+	m := new(accounting.BalanceRequest)
+
+	if !empty {
+		m.SetBody(GenerateBalanceRequestBody(false))
+	}
+
+	m.SetMetaHeader(sessiontest.GenerateRequestMetaHeader(empty))
+	m.SetVerificationHeader(sessiontest.GenerateRequestVerificationHeader(empty))
+
+	return m
+}
+
+func GenerateBalanceRequestBody(empty bool) *accounting.BalanceRequestBody {
+	m := new(accounting.BalanceRequestBody)
+
+	if !empty {
+		m.SetOwnerID(accountingtest.GenerateOwnerID(false))
+	}
+
+	return m
+}
+
+func GenerateBalanceResponse(empty bool) *accounting.BalanceResponse {
+	m := new(accounting.BalanceResponse)
+
+	if !empty {
+		m.SetBody(GenerateBalanceResponseBody(false))
+	}
+
+	m.SetMetaHeader(sessiontest.GenerateResponseMetaHeader(empty))
+	m.SetVerificationHeader(sessiontest.GenerateResponseVerificationHeader(empty))
+
+	return m
+}
+
+func GenerateBalanceResponseBody(empty bool) *accounting.BalanceResponseBody {
+	m := new(accounting.BalanceResponseBody)
+
+	if !empty {
+		m.SetBalance(GenerateDecimal(false))
+	}
+
+	return m
+}
+
+func GenerateDecimal(empty bool) *accounting.Decimal {
+	m := new(accounting.Decimal)
+
+	if !empty {
+		m.SetValue(1)
+		m.SetPrecision(2)
+	}
+
+	return m
+}

api/acl/bench_test.go

@@ -0,0 +1,51 @@
+package acl_test
+
+import (
+	"testing"
+
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/acl"
+	aclGrpc "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/acl/grpc"
+	acltest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/acl/test"
+)
+
+func BenchmarkTable_ToGRPCMessage(b *testing.B) {
+	const size = 4
+
+	tb := new(acl.Table)
+	rs := make([]acl.Record, size)
+	for i := range rs {
+		fs := make([]acl.HeaderFilter, size)
+		for j := range fs {
+			fs[j] = *acltest.GenerateFilter(false)
+		}
+		ts := make([]acl.Target, size)
+		for j := range ts {
+			ts[j] = *acltest.GenerateTarget(false)
+		}
+
+		rs[i].SetFilters(fs)
+		rs[i].SetTargets(ts)
+	}
+	tb.SetRecords(rs)
+
+	raw := tb.ToGRPCMessage()
+
+	b.Run("to grpc message", func(b *testing.B) {
+		b.ReportAllocs()
+		for range b.N {
+			raw := tb.ToGRPCMessage()
+			if len(tb.GetRecords()) != len(raw.(*aclGrpc.EACLTable).Records) {
+				b.FailNow()
+			}
+		}
+	})
+	b.Run("from grpc message", func(b *testing.B) {
+		b.ReportAllocs()
+		for range b.N {
+			tb := new(acl.Table)
+			if tb.FromGRPCMessage(raw) != nil {
+				b.FailNow()
+			}
+		}
+	})
+}

api/acl/convert.go

@@ -0,0 +1,592 @@
+package acl
+
+import (
+	acl "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/acl/grpc"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/ape"
+	apeGRPC "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/ape/grpc"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/refs"
+	refsGRPC "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/refs/grpc"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/rpc/grpc"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/rpc/message"
+)
+
+// RoleToGRPCField converts unified role enum into grpc enum.
+func RoleToGRPCField(t Role) acl.Role {
+	switch t {
+	case RoleUser:
+		return acl.Role_USER
+	case RoleSystem:
+		return acl.Role_SYSTEM
+	case RoleOthers:
+		return acl.Role_OTHERS
+	default:
+		return acl.Role_ROLE_UNSPECIFIED
+	}
+}
+
+// RoleFromGRPCField converts grpc enum into unified role enum.
+func RoleFromGRPCField(t acl.Role) Role {
+	switch t {
+	case acl.Role_USER:
+		return RoleUser
+	case acl.Role_SYSTEM:
+		return RoleSystem
+	case acl.Role_OTHERS:
+		return RoleOthers
+	default:
+		return RoleUnknown
+	}
+}
+
+// OperationToGRPCField converts unified operation enum into grpc enum.
+func OperationToGRPCField(t Operation) acl.Operation {
+	switch t {
+	case OperationPut:
+		return acl.Operation_PUT
+	case OperationDelete:
+		return acl.Operation_DELETE
+	case OperationGet:
+		return acl.Operation_GET
+	case OperationHead:
+		return acl.Operation_HEAD
+	case OperationSearch:
+		return acl.Operation_SEARCH
+	case OperationRange:
+		return acl.Operation_GETRANGE
+	case OperationRangeHash:
+		return acl.Operation_GETRANGEHASH
+	default:
+		return acl.Operation_OPERATION_UNSPECIFIED
+	}
+}
+
+// OperationFromGRPCField converts grpc enum into unified operation enum.
+func OperationFromGRPCField(t acl.Operation) Operation {
+	switch t {
+	case acl.Operation_PUT:
+		return OperationPut
+	case acl.Operation_DELETE:
+		return OperationDelete
+	case acl.Operation_GET:
+		return OperationGet
+	case acl.Operation_HEAD:
+		return OperationHead
+	case acl.Operation_SEARCH:
+		return OperationSearch
+	case acl.Operation_GETRANGE:
+		return OperationRange
+	case acl.Operation_GETRANGEHASH:
+		return OperationRangeHash
+	default:
+		return OperationUnknown
+	}
+}
+
+// ActionToGRPCField converts unified action enum into grpc enum.
+func ActionToGRPCField(t Action) acl.Action {
+	switch t {
+	case ActionDeny:
+		return acl.Action_DENY
+	case ActionAllow:
+		return acl.Action_ALLOW
+	default:
+		return acl.Action_ACTION_UNSPECIFIED
+	}
+}
+
+// ActionFromGRPCField converts grpc enum into unified action enum.
+func ActionFromGRPCField(t acl.Action) Action {
+	switch t {
+	case acl.Action_DENY:
+		return ActionDeny
+	case acl.Action_ALLOW:
+		return ActionAllow
+	default:
+		return ActionUnknown
+	}
+}
+
+// HeaderTypeToGRPCField converts unified header type enum into grpc enum.
+func HeaderTypeToGRPCField(t HeaderType) acl.HeaderType {
+	switch t {
+	case HeaderTypeRequest:
+		return acl.HeaderType_REQUEST
+	case HeaderTypeObject:
+		return acl.HeaderType_OBJECT
+	case HeaderTypeService:
+		return acl.HeaderType_SERVICE
+	default:
+		return acl.HeaderType_HEADER_UNSPECIFIED
+	}
+}
+
+// HeaderTypeFromGRPCField converts grpc enum into unified header type enum.
+func HeaderTypeFromGRPCField(t acl.HeaderType) HeaderType {
+	switch t {
+	case acl.HeaderType_REQUEST:
+		return HeaderTypeRequest
+	case acl.HeaderType_OBJECT:
+		return HeaderTypeObject
+	case acl.HeaderType_SERVICE:
+		return HeaderTypeService
+	default:
+		return HeaderTypeUnknown
+	}
+}
+
+// MatchTypeToGRPCField converts unified match type enum into grpc enum.
+func MatchTypeToGRPCField(t MatchType) acl.MatchType {
+	switch t {
+	case MatchTypeStringEqual:
+		return acl.MatchType_STRING_EQUAL
+	case MatchTypeStringNotEqual:
+		return acl.MatchType_STRING_NOT_EQUAL
+	default:
+		return acl.MatchType_MATCH_TYPE_UNSPECIFIED
+	}
+}
+
+// MatchTypeFromGRPCField converts grpc enum into unified match type enum.
+func MatchTypeFromGRPCField(t acl.MatchType) MatchType {
+	switch t {
+	case acl.MatchType_STRING_EQUAL:
+		return MatchTypeStringEqual
+	case acl.MatchType_STRING_NOT_EQUAL:
+		return MatchTypeStringNotEqual
+	default:
+		return MatchTypeUnknown
+	}
+}
+
+func (f *HeaderFilter) ToGRPCMessage() grpc.Message {
+	var m *acl.EACLRecord_Filter
+
+	if f != nil {
+		m = new(acl.EACLRecord_Filter)
+
+		m.SetKey(f.key)
+		m.SetValue(f.value)
+		m.SetHeaderType(HeaderTypeToGRPCField(f.hdrType))
+		m.SetMatchType(MatchTypeToGRPCField(f.matchType))
+	}
+
+	return m
+}
+
+func (f *HeaderFilter) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*acl.EACLRecord_Filter)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	f.key = v.GetKey()
+	f.value = v.GetValue()
+	f.hdrType = HeaderTypeFromGRPCField(v.GetHeaderType())
+	f.matchType = MatchTypeFromGRPCField(v.GetMatchType())
+
+	return nil
+}
+
+func HeaderFiltersToGRPC(fs []HeaderFilter) (res []acl.EACLRecord_Filter) {
+	if fs != nil {
+		res = make([]acl.EACLRecord_Filter, 0, len(fs))
+
+		for i := range fs {
+			res = append(res, *fs[i].ToGRPCMessage().(*acl.EACLRecord_Filter))
+		}
+	}
+
+	return
+}
+
+func HeaderFiltersFromGRPC(fs []acl.EACLRecord_Filter) (res []HeaderFilter, err error) {
+	if fs != nil {
+		res = make([]HeaderFilter, len(fs))
+
+		for i := range fs {
+			err = res[i].FromGRPCMessage(&fs[i])
+			if err != nil {
+				return
+			}
+		}
+	}
+
+	return
+}
+
+func (t *Target) ToGRPCMessage() grpc.Message {
+	var m *acl.EACLRecord_Target
+
+	if t != nil {
+		m = new(acl.EACLRecord_Target)
+
+		m.SetRole(RoleToGRPCField(t.role))
+		m.SetKeys(t.keys)
+	}
+
+	return m
+}
+
+func (t *Target) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*acl.EACLRecord_Target)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	t.role = RoleFromGRPCField(v.GetRole())
+	t.keys = v.GetKeys()
+
+	return nil
+}
+
+func TargetsToGRPC(ts []Target) (res []acl.EACLRecord_Target) {
+	if ts != nil {
+		res = make([]acl.EACLRecord_Target, 0, len(ts))
+
+		for i := range ts {
+			res = append(res, *ts[i].ToGRPCMessage().(*acl.EACLRecord_Target))
+		}
+	}
+
+	return
+}
+
+func TargetsFromGRPC(fs []acl.EACLRecord_Target) (res []Target, err error) {
+	if fs != nil {
+		res = make([]Target, len(fs))
+
+		for i := range fs {
+			err = res[i].FromGRPCMessage(&fs[i])
+			if err != nil {
+				return
+			}
+		}
+	}
+
+	return
+}
+
+func (r *Record) ToGRPCMessage() grpc.Message {
+	var m *acl.EACLRecord
+
+	if r != nil {
+		m = new(acl.EACLRecord)
+
+		m.SetOperation(OperationToGRPCField(r.op))
+		m.SetAction(ActionToGRPCField(r.action))
+		m.SetFilters(HeaderFiltersToGRPC(r.filters))
+		m.SetTargets(TargetsToGRPC(r.targets))
+	}
+
+	return m
+}
+
+func (r *Record) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*acl.EACLRecord)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	r.filters, err = HeaderFiltersFromGRPC(v.GetFilters())
+	if err != nil {
+		return err
+	}
+
+	r.targets, err = TargetsFromGRPC(v.GetTargets())
+	if err != nil {
+		return err
+	}
+
+	r.op = OperationFromGRPCField(v.GetOperation())
+	r.action = ActionFromGRPCField(v.GetAction())
+
+	return nil
+}
+
+func RecordsToGRPC(ts []Record) (res []acl.EACLRecord) {
+	if ts != nil {
+		res = make([]acl.EACLRecord, 0, len(ts))
+
+		for i := range ts {
+			res = append(res, *ts[i].ToGRPCMessage().(*acl.EACLRecord))
+		}
+	}
+
+	return
+}
+
+func RecordsFromGRPC(fs []acl.EACLRecord) (res []Record, err error) {
+	if fs != nil {
+		res = make([]Record, len(fs))
+
+		for i := range fs {
+			err = res[i].FromGRPCMessage(&fs[i])
+			if err != nil {
+				return
+			}
+		}
+	}
+
+	return
+}
+
+func (t *Table) ToGRPCMessage() grpc.Message {
+	var m *acl.EACLTable
+
+	if t != nil {
+		m = new(acl.EACLTable)
+
+		m.SetVersion(t.version.ToGRPCMessage().(*refsGRPC.Version))
+		m.SetContainerId(t.cid.ToGRPCMessage().(*refsGRPC.ContainerID))
+		m.SetRecords(RecordsToGRPC(t.records))
+	}
+
+	return m
+}
+
+func (t *Table) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*acl.EACLTable)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	cid := v.GetContainerId()
+	if cid == nil {
+		t.cid = nil
+	} else {
+		if t.cid == nil {
+			t.cid = new(refs.ContainerID)
+		}
+
+		err = t.cid.FromGRPCMessage(cid)
+		if err != nil {
+			return err
+		}
+	}
+
+	version := v.GetVersion()
+	if version == nil {
+		t.version = nil
+	} else {
+		if t.version == nil {
+			t.version = new(refs.Version)
+		}
+
+		err = t.version.FromGRPCMessage(version)
+		if err != nil {
+			return err
+		}
+	}
+
+	t.records, err = RecordsFromGRPC(v.GetRecords())
+
+	return err
+}
+
+func (l *TokenLifetime) ToGRPCMessage() grpc.Message {
+	var m *acl.BearerToken_Body_TokenLifetime
+
+	if l != nil {
+		m = new(acl.BearerToken_Body_TokenLifetime)
+
+		m.SetExp(l.exp)
+		m.SetIat(l.iat)
+		m.SetNbf(l.nbf)
+	}
+
+	return m
+}
+
+func (l *TokenLifetime) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*acl.BearerToken_Body_TokenLifetime)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	l.exp = v.GetExp()
+	l.iat = v.GetIat()
+	l.nbf = v.GetNbf()
+
+	return nil
+}
+
+func (c *APEOverride) ToGRPCMessage() grpc.Message {
+	var m *acl.BearerToken_Body_APEOverride
+
+	if c != nil {
+		m = new(acl.BearerToken_Body_APEOverride)
+
+		m.SetTarget(c.target.ToGRPCMessage().(*apeGRPC.ChainTarget))
+
+		if len(c.chains) > 0 {
+			apeChains := make([]apeGRPC.Chain, len(c.chains))
+			for i := range c.chains {
+				apeChains[i] = *c.chains[i].ToGRPCMessage().(*apeGRPC.Chain)
+			}
+			m.SetChains(apeChains)
+		}
+	}
+
+	return m
+}
+
+func (c *APEOverride) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*acl.BearerToken_Body_APEOverride)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	if targetGRPC := v.GetTarget(); targetGRPC != nil {
+		if c.target == nil {
+			c.target = new(ape.ChainTarget)
+		}
+		if err := c.target.FromGRPCMessage(v.GetTarget()); err != nil {
+			return err
+		}
+	}
+
+	if apeChains := v.GetChains(); len(apeChains) > 0 {
+		c.chains = make([]*ape.Chain, len(apeChains))
+		for i := range apeChains {
+			c.chains[i] = new(ape.Chain)
+			if err := c.chains[i].FromGRPCMessage(&apeChains[i]); err != nil {
+				return err
+			}
+		}
+	}
+
+	return nil
+}
+
+func (bt *BearerTokenBody) ToGRPCMessage() grpc.Message {
+	var m *acl.BearerToken_Body
+
+	if bt != nil {
+		m = new(acl.BearerToken_Body)
+
+		m.SetOwnerId(bt.ownerID.ToGRPCMessage().(*refsGRPC.OwnerID))
+		m.SetLifetime(bt.lifetime.ToGRPCMessage().(*acl.BearerToken_Body_TokenLifetime))
+		m.SetEaclTable(bt.eacl.ToGRPCMessage().(*acl.EACLTable))
+		m.SetAllowImpersonate(bt.impersonate)
+		m.SetApeOverride(bt.apeOverride.ToGRPCMessage().(*acl.BearerToken_Body_APEOverride))
+	}
+
+	return m
+}
+
+func (bt *BearerTokenBody) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*acl.BearerToken_Body)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	ownerID := v.GetOwnerId()
+	if ownerID == nil {
+		bt.ownerID = nil
+	} else {
+		if bt.ownerID == nil {
+			bt.ownerID = new(refs.OwnerID)
+		}
+
+		err = bt.ownerID.FromGRPCMessage(ownerID)
+		if err != nil {
+			return err
+		}
+	}
+
+	lifetime := v.GetLifetime()
+	if lifetime == nil {
+		bt.lifetime = nil
+	} else {
+		if bt.lifetime == nil {
+			bt.lifetime = new(TokenLifetime)
+		}
+
+		err = bt.lifetime.FromGRPCMessage(lifetime)
+		if err != nil {
+			return err
+		}
+	}
+
+	eacl := v.GetEaclTable()
+	if eacl == nil {
+		bt.eacl = nil
+	} else {
+		if bt.eacl == nil {
+			bt.eacl = new(Table)
+		}
+
+		if err = bt.eacl.FromGRPCMessage(eacl); err != nil {
+			return err
+		}
+	}
+
+	if apeOverrideGRPC := v.GetApeOverride(); apeOverrideGRPC != nil {
+		if bt.apeOverride == nil {
+			bt.apeOverride = new(APEOverride)
+		}
+		err = bt.apeOverride.FromGRPCMessage(apeOverrideGRPC)
+		if err != nil {
+			return err
+		}
+	}
+
+	bt.impersonate = v.GetAllowImpersonate()
+
+	return err
+}
+
+func (bt *BearerToken) ToGRPCMessage() grpc.Message {
+	var m *acl.BearerToken
+
+	if bt != nil {
+		m = new(acl.BearerToken)
+
+		m.SetBody(bt.body.ToGRPCMessage().(*acl.BearerToken_Body))
+		m.SetSignature(bt.sig.ToGRPCMessage().(*refsGRPC.Signature))
+	}
+
+	return m
+}
+
+func (bt *BearerToken) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*acl.BearerToken)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	body := v.GetBody()
+	if body == nil {
+		bt.body = nil
+	} else {
+		if bt.body == nil {
+			bt.body = new(BearerTokenBody)
+		}
+
+		err = bt.body.FromGRPCMessage(body)
+		if err != nil {
+			return err
+		}
+	}
+
+	sig := v.GetSignature()
+	if sig == nil {
+		bt.sig = nil
+	} else {
+		if bt.sig == nil {
+			bt.sig = new(refs.Signature)
+		}
+
+		err = bt.sig.FromGRPCMessage(sig)
+	}
+
+	return err
+}

api/acl/filters.go

@@ -0,0 +1,33 @@
+package acl
+
+// ObjectFilterPrefix is a prefix of key to object header value or property.
+const ObjectFilterPrefix = "$Object:"
+
+const (
+	// FilterObjectVersion is a filter key to "version" field of the object header.
+	FilterObjectVersion = ObjectFilterPrefix + "version"
+
+	// FilterObjectID is a filter key to "object_id" field of the object.
+	FilterObjectID = ObjectFilterPrefix + "objectID"
+
+	// FilterObjectContainerID is a filter key to "container_id" field of the object header.
+	FilterObjectContainerID = ObjectFilterPrefix + "containerID"
+
+	// FilterObjectOwnerID is a filter key to "owner_id" field of the object header.
+	FilterObjectOwnerID = ObjectFilterPrefix + "ownerID"
+
+	// FilterObjectCreationEpoch is a filter key to "creation_epoch" field of the object header.
+	FilterObjectCreationEpoch = ObjectFilterPrefix + "creationEpoch"
+
+	// FilterObjectPayloadLength is a filter key to "payload_length" field of the object header.
+	FilterObjectPayloadLength = ObjectFilterPrefix + "payloadLength"
+
+	// FilterObjectPayloadHash is a filter key to "payload_hash" field of the object header.
+	FilterObjectPayloadHash = ObjectFilterPrefix + "payloadHash"
+
+	// FilterObjectType is a filter key to "object_type" field of the object header.
+	FilterObjectType = ObjectFilterPrefix + "objectType"
+
+	// FilterObjectHomomorphicHash is a filter key to "homomorphic_hash" field of the object header.
+	FilterObjectHomomorphicHash = ObjectFilterPrefix + "homomorphicHash"
+)

api/acl/grpc/types_frostfs_fuzz.go

@@ -0,0 +1,64 @@
+//go:build gofuzz
+// +build gofuzz
+
+// Code generated by protoc-gen-go-frostfs. DO NOT EDIT.
+
+package acl
+
+func DoFuzzProtoEACLRecord(data []byte) int {
+	msg := new(EACLRecord)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONEACLRecord(data []byte) int {
+	msg := new(EACLRecord)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}
+func DoFuzzProtoEACLTable(data []byte) int {
+	msg := new(EACLTable)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONEACLTable(data []byte) int {
+	msg := new(EACLTable)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}
+func DoFuzzProtoBearerToken(data []byte) int {
+	msg := new(BearerToken)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONBearerToken(data []byte) int {
+	msg := new(BearerToken)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}

api/acl/grpc/types_frostfs_test.go

@@ -0,0 +1,41 @@
+//go:build gofuzz
+// +build gofuzz
+
+// Code generated by protoc-gen-go-frostfs. DO NOT EDIT.
+
+package acl
+
+import (
+	testing "testing"
+)
+
+func FuzzProtoEACLRecord(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoEACLRecord(data)
+	})
+}
+func FuzzJSONEACLRecord(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONEACLRecord(data)
+	})
+}
+func FuzzProtoEACLTable(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoEACLTable(data)
+	})
+}
+func FuzzJSONEACLTable(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONEACLTable(data)
+	})
+}
+func FuzzProtoBearerToken(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoBearerToken(data)
+	})
+}
+func FuzzJSONBearerToken(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONBearerToken(data)
+	})
+}

api/acl/json.go

@@ -0,0 +1,70 @@
+package acl
+
+import (
+	acl "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/acl/grpc"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/rpc/message"
+)
+
+func (f *HeaderFilter) MarshalJSON() ([]byte, error) {
+	return message.MarshalJSON(f)
+}
+
+func (f *HeaderFilter) UnmarshalJSON(data []byte) error {
+	return message.UnmarshalJSON(f, data, new(acl.EACLRecord_Filter))
+}
+
+func (t *Target) MarshalJSON() ([]byte, error) {
+	return message.MarshalJSON(t)
+}
+
+func (t *Target) UnmarshalJSON(data []byte) error {
+	return message.UnmarshalJSON(t, data, new(acl.EACLRecord_Target))
+}
+
+func (a *APEOverride) MarshalJSON() ([]byte, error) {
+	return message.MarshalJSON(a)
+}
+
+func (a *APEOverride) UnmarshalJSON(data []byte) error {
+	return message.UnmarshalJSON(a, data, new(acl.BearerToken_Body_APEOverride))
+}
+
+func (r *Record) MarshalJSON() ([]byte, error) {
+	return message.MarshalJSON(r)
+}
+
+func (r *Record) UnmarshalJSON(data []byte) error {
+	return message.UnmarshalJSON(r, data, new(acl.EACLRecord))
+}
+
+func (t *Table) MarshalJSON() ([]byte, error) {
+	return message.MarshalJSON(t)
+}
+
+func (t *Table) UnmarshalJSON(data []byte) error {
+	return message.UnmarshalJSON(t, data, new(acl.EACLTable))
+}
+
+func (l *TokenLifetime) MarshalJSON() ([]byte, error) {
+	return message.MarshalJSON(l)
+}
+
+func (l *TokenLifetime) UnmarshalJSON(data []byte) error {
+	return message.UnmarshalJSON(l, data, new(acl.BearerToken_Body_TokenLifetime))
+}
+
+func (bt *BearerTokenBody) MarshalJSON() ([]byte, error) {
+	return message.MarshalJSON(bt)
+}
+
+func (bt *BearerTokenBody) UnmarshalJSON(data []byte) error {
+	return message.UnmarshalJSON(bt, data, new(acl.BearerToken_Body))
+}
+
+func (bt *BearerToken) MarshalJSON() ([]byte, error) {
+	return message.MarshalJSON(bt)
+}
+
+func (bt *BearerToken) UnmarshalJSON(data []byte) error {
+	return message.UnmarshalJSON(bt, data, new(acl.BearerToken))
+}

api/acl/marshal.go

@@ -0,0 +1,350 @@
+package acl
+
+import (
+	acl "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/acl/grpc"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/rpc/message"
+	protoutil "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/util/proto"
+)
+
+const (
+	filterHeaderTypeField = 1
+	filterMatchTypeField  = 2
+	filterNameField       = 3
+	filterValueField      = 4
+
+	targetTypeField = 1
+	targetKeysField = 2
+
+	recordOperationField = 1
+	recordActionField    = 2
+	recordFiltersField   = 3
+	recordTargetsField   = 4
+
+	tableVersionField     = 1
+	tableContainerIDField = 2
+	tableRecordsField     = 3
+
+	lifetimeExpirationField     = 1
+	lifetimeNotValidBeforeField = 2
+	lifetimeIssuedAtField       = 3
+
+	tokenAPEChainsTargetField = 1
+	tokenAPEChainsChainsField = 2
+
+	bearerTokenBodyACLField        = 1
+	bearerTokenBodyOwnerField      = 2
+	bearerTokenBodyLifetimeField   = 3
+	bearerTokenBodyImpersonate     = 4
+	bearerTokenTokenAPEChainsField = 5
+
+	bearerTokenBodyField      = 1
+	bearerTokenSignatureField = 2
+)
+
+// StableMarshal marshals unified acl table structure in a protobuf
+// compatible way without field order shuffle.
+func (t *Table) StableMarshal(buf []byte) []byte {
+	if t == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, t.StableSize())
+	}
+
+	var offset int
+
+	offset += protoutil.NestedStructureMarshal(tableVersionField, buf[offset:], t.version)
+	offset += protoutil.NestedStructureMarshal(tableContainerIDField, buf[offset:], t.cid)
+
+	for i := range t.records {
+		offset += protoutil.NestedStructureMarshal(tableRecordsField, buf[offset:], &t.records[i])
+	}
+
+	return buf
+}
+
+// StableSize of acl table structure marshalled by StableMarshal function.
+func (t *Table) StableSize() (size int) {
+	if t == nil {
+		return 0
+	}
+
+	size += protoutil.NestedStructureSize(tableVersionField, t.version)
+	size += protoutil.NestedStructureSize(tableContainerIDField, t.cid)
+
+	for i := range t.records {
+		size += protoutil.NestedStructureSize(tableRecordsField, &t.records[i])
+	}
+
+	return size
+}
+
+func (t *Table) Unmarshal(data []byte) error {
+	return message.Unmarshal(t, data, new(acl.EACLTable))
+}
+
+// StableMarshal marshals unified acl record structure in a protobuf
+// compatible way without field order shuffle.
+func (r *Record) StableMarshal(buf []byte) []byte {
+	if r == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, r.StableSize())
+	}
+
+	var offset int
+
+	offset += protoutil.EnumMarshal(recordOperationField, buf[offset:], int32(r.op))
+	offset += protoutil.EnumMarshal(recordActionField, buf[offset:], int32(r.action))
+
+	for i := range r.filters {
+		offset += protoutil.NestedStructureMarshal(recordFiltersField, buf[offset:], &r.filters[i])
+	}
+
+	for i := range r.targets {
+		offset += protoutil.NestedStructureMarshal(recordTargetsField, buf[offset:], &r.targets[i])
+	}
+
+	return buf
+}
+
+// StableSize of acl record structure marshalled by StableMarshal function.
+func (r *Record) StableSize() (size int) {
+	if r == nil {
+		return 0
+	}
+
+	size += protoutil.EnumSize(recordOperationField, int32(r.op))
+	size += protoutil.EnumSize(recordActionField, int32(r.action))
+
+	for i := range r.filters {
+		size += protoutil.NestedStructureSize(recordFiltersField, &r.filters[i])
+	}
+
+	for i := range r.targets {
+		size += protoutil.NestedStructureSize(recordTargetsField, &r.targets[i])
+	}
+
+	return size
+}
+
+func (r *Record) Unmarshal(data []byte) error {
+	return message.Unmarshal(r, data, new(acl.EACLRecord))
+}
+
+// StableMarshal marshals unified header filter structure in a protobuf
+// compatible way without field order shuffle.
+func (f *HeaderFilter) StableMarshal(buf []byte) []byte {
+	if f == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, f.StableSize())
+	}
+
+	var offset int
+
+	offset += protoutil.EnumMarshal(filterHeaderTypeField, buf[offset:], int32(f.hdrType))
+	offset += protoutil.EnumMarshal(filterMatchTypeField, buf[offset:], int32(f.matchType))
+	offset += protoutil.StringMarshal(filterNameField, buf[offset:], f.key)
+	protoutil.StringMarshal(filterValueField, buf[offset:], f.value)
+
+	return buf
+}
+
+// StableSize of header filter structure marshalled by StableMarshal function.
+func (f *HeaderFilter) StableSize() (size int) {
+	if f == nil {
+		return 0
+	}
+
+	size += protoutil.EnumSize(filterHeaderTypeField, int32(f.hdrType))
+	size += protoutil.EnumSize(filterMatchTypeField, int32(f.matchType))
+	size += protoutil.StringSize(filterNameField, f.key)
+	size += protoutil.StringSize(filterValueField, f.value)
+
+	return size
+}
+
+func (f *HeaderFilter) Unmarshal(data []byte) error {
+	return message.Unmarshal(f, data, new(acl.EACLRecord_Filter))
+}
+
+// StableMarshal marshals unified role info structure in a protobuf
+// compatible way without field order shuffle.
+func (t *Target) StableMarshal(buf []byte) []byte {
+	if t == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, t.StableSize())
+	}
+
+	var offset int
+
+	offset += protoutil.EnumMarshal(targetTypeField, buf[offset:], int32(t.role))
+	protoutil.RepeatedBytesMarshal(targetKeysField, buf[offset:], t.keys)
+
+	return buf
+}
+
+// StableSize of role info structure marshalled by StableMarshal function.
+func (t *Target) StableSize() (size int) {
+	if t == nil {
+		return 0
+	}
+
+	size += protoutil.EnumSize(targetTypeField, int32(t.role))
+	size += protoutil.RepeatedBytesSize(targetKeysField, t.keys)
+
+	return size
+}
+
+func (t *Target) Unmarshal(data []byte) error {
+	return message.Unmarshal(t, data, new(acl.EACLRecord_Target))
+}
+
+func (l *TokenLifetime) StableMarshal(buf []byte) []byte {
+	if l == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, l.StableSize())
+	}
+
+	var offset int
+
+	offset += protoutil.UInt64Marshal(lifetimeExpirationField, buf[offset:], l.exp)
+	offset += protoutil.UInt64Marshal(lifetimeNotValidBeforeField, buf[offset:], l.nbf)
+	protoutil.UInt64Marshal(lifetimeIssuedAtField, buf[offset:], l.iat)
+
+	return buf
+}
+
+func (l *TokenLifetime) StableSize() (size int) {
+	if l == nil {
+		return 0
+	}
+
+	size += protoutil.UInt64Size(lifetimeExpirationField, l.exp)
+	size += protoutil.UInt64Size(lifetimeNotValidBeforeField, l.nbf)
+	size += protoutil.UInt64Size(lifetimeIssuedAtField, l.iat)
+
+	return size
+}
+
+func (l *TokenLifetime) Unmarshal(data []byte) error {
+	return message.Unmarshal(l, data, new(acl.BearerToken_Body_TokenLifetime))
+}
+
+func (c *APEOverride) StableMarshal(buf []byte) []byte {
+	if c == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, c.StableSize())
+	}
+
+	var offset int
+
+	offset += protoutil.NestedStructureMarshal(tokenAPEChainsTargetField, buf[offset:], c.target)
+	for i := range c.chains {
+		offset += protoutil.NestedStructureMarshal(tokenAPEChainsChainsField, buf[offset:], c.chains[i])
+	}
+
+	return buf
+}
+
+func (c *APEOverride) StableSize() (size int) {
+	if c == nil {
+		return 0
+	}
+
+	size += protoutil.NestedStructureSize(tokenAPEChainsTargetField, c.target)
+	for i := range c.chains {
+		size += protoutil.NestedStructureSize(tokenAPEChainsChainsField, c.chains[i])
+	}
+
+	return size
+}
+
+func (c *APEOverride) Unmarshal(data []byte) error {
+	return message.Unmarshal(c, data, new(acl.BearerToken_Body_APEOverride))
+}
+
+func (bt *BearerTokenBody) StableMarshal(buf []byte) []byte {
+	if bt == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, bt.StableSize())
+	}
+
+	var offset int
+
+	offset += protoutil.NestedStructureMarshal(bearerTokenBodyACLField, buf[offset:], bt.eacl)
+	offset += protoutil.NestedStructureMarshal(bearerTokenBodyOwnerField, buf[offset:], bt.ownerID)
+	offset += protoutil.NestedStructureMarshal(bearerTokenBodyLifetimeField, buf[offset:], bt.lifetime)
+	offset += protoutil.BoolMarshal(bearerTokenBodyImpersonate, buf[offset:], bt.impersonate)
+	protoutil.NestedStructureMarshal(bearerTokenTokenAPEChainsField, buf[offset:], bt.apeOverride)
+
+	return buf
+}
+
+func (bt *BearerTokenBody) StableSize() (size int) {
+	if bt == nil {
+		return 0
+	}
+
+	size += protoutil.NestedStructureSize(bearerTokenBodyACLField, bt.eacl)
+	size += protoutil.NestedStructureSize(bearerTokenBodyOwnerField, bt.ownerID)
+	size += protoutil.NestedStructureSize(bearerTokenBodyLifetimeField, bt.lifetime)
+	size += protoutil.BoolSize(bearerTokenBodyImpersonate, bt.impersonate)
+	size += protoutil.NestedStructureSize(bearerTokenTokenAPEChainsField, bt.apeOverride)
+
+	return size
+}
+
+func (bt *BearerTokenBody) Unmarshal(data []byte) error {
+	return message.Unmarshal(bt, data, new(acl.BearerToken_Body))
+}
+
+func (bt *BearerToken) StableMarshal(buf []byte) []byte {
+	if bt == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, bt.StableSize())
+	}
+
+	var offset int
+
+	offset += protoutil.NestedStructureMarshal(bearerTokenBodyField, buf[offset:], bt.body)
+	protoutil.NestedStructureMarshal(bearerTokenSignatureField, buf[offset:], bt.sig)
+
+	return buf
+}
+
+func (bt *BearerToken) StableSize() (size int) {
+	if bt == nil {
+		return 0
+	}
+
+	size += protoutil.NestedStructureSize(bearerTokenBodyField, bt.body)
+	size += protoutil.NestedStructureSize(bearerTokenSignatureField, bt.sig)
+
+	return size
+}
+
+func (bt *BearerToken) Unmarshal(data []byte) error {
+	return message.Unmarshal(bt, data, new(acl.BearerToken))
+}

api/acl/message_test.go

@@ -0,0 +1,21 @@
+package acl_test
+
+import (
+	"testing"
+
+	acltest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/acl/test"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/rpc/message"
+	messagetest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/rpc/message/test"
+)
+
+func TestMessageConvert(t *testing.T) {
+	messagetest.TestRPCMessage(t,
+		func(empty bool) message.Message { return acltest.GenerateFilter(empty) },
+		func(empty bool) message.Message { return acltest.GenerateTarget(empty) },
+		func(empty bool) message.Message { return acltest.GenerateRecord(empty) },
+		func(empty bool) message.Message { return acltest.GenerateTable(empty) },
+		func(empty bool) message.Message { return acltest.GenerateTokenLifetime(empty) },
+		func(empty bool) message.Message { return acltest.GenerateBearerTokenBody(empty) },
+		func(empty bool) message.Message { return acltest.GenerateBearerToken(empty) },
+	)
+}

api/acl/string.go

@@ -0,0 +1,110 @@
+package acl
+
+import (
+	acl "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/acl/grpc"
+)
+
+// String returns string representation of Action.
+func (x Action) String() string {
+	return ActionToGRPCField(x).String()
+}
+
+// FromString parses Action from a string representation.
+// It is a reverse action to String().
+//
+// Returns true if s was parsed successfully.
+func (x *Action) FromString(s string) bool {
+	var g acl.Action
+
+	ok := g.FromString(s)
+
+	if ok {
+		*x = ActionFromGRPCField(g)
+	}
+
+	return ok
+}
+
+// String returns string representation of Role.
+func (x Role) String() string {
+	return RoleToGRPCField(x).String()
+}
+
+// FromString parses Role from a string representation.
+// It is a reverse action to String().
+//
+// Returns true if s was parsed successfully.
+func (x *Role) FromString(s string) bool {
+	var g acl.Role
+
+	ok := g.FromString(s)
+
+	if ok {
+		*x = RoleFromGRPCField(g)
+	}
+
+	return ok
+}
+
+// String returns string representation of Operation.
+func (x Operation) String() string {
+	return OperationToGRPCField(x).String()
+}
+
+// FromString parses Operation from a string representation.
+// It is a reverse action to String().
+//
+// Returns true if s was parsed successfully.
+func (x *Operation) FromString(s string) bool {
+	var g acl.Operation
+
+	ok := g.FromString(s)
+
+	if ok {
+		*x = OperationFromGRPCField(g)
+	}
+
+	return ok
+}
+
+// String returns string representation of MatchType.
+func (x MatchType) String() string {
+	return MatchTypeToGRPCField(x).String()
+}
+
+// FromString parses MatchType from a string representation.
+// It is a reverse action to String().
+//
+// Returns true if s was parsed successfully.
+func (x *MatchType) FromString(s string) bool {
+	var g acl.MatchType
+
+	ok := g.FromString(s)
+
+	if ok {
+		*x = MatchTypeFromGRPCField(g)
+	}
+
+	return ok
+}
+
+// String returns string representation of HeaderType.
+func (x HeaderType) String() string {
+	return HeaderTypeToGRPCField(x).String()
+}
+
+// FromString parses HeaderType from a string representation.
+// It is a reverse action to String().
+//
+// Returns true if s was parsed successfully.
+func (x *HeaderType) FromString(s string) bool {
+	var g acl.HeaderType
+
+	ok := g.FromString(s)
+
+	if ok {
+		*x = HeaderTypeFromGRPCField(g)
+	}
+
+	return ok
+}

api/acl/test/generate.go

@@ -0,0 +1,144 @@
+package acltest
+
+import (
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/acl"
+	apetest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/ape/test"
+	accountingtest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/refs/test"
+)
+
+func GenerateBearerToken(empty bool) *acl.BearerToken {
+	m := new(acl.BearerToken)
+
+	if !empty {
+		m.SetBody(GenerateBearerTokenBody(false))
+	}
+
+	m.SetSignature(accountingtest.GenerateSignature(empty))
+
+	return m
+}
+
+func GenerateBearerTokenBody(empty bool) *acl.BearerTokenBody {
+	m := new(acl.BearerTokenBody)
+
+	if !empty {
+		m.SetOwnerID(accountingtest.GenerateOwnerID(false))
+		m.SetLifetime(GenerateTokenLifetime(false))
+		m.SetAPEOverride(GenerateAPEOverride(empty))
+	}
+
+	return m
+}
+
+func GenerateAPEOverride(empty bool) *acl.APEOverride {
+	var m *acl.APEOverride
+
+	if !empty {
+		m = new(acl.APEOverride)
+		m.SetTarget(apetest.GenerateChainTarget(empty))
+		m.SetChains(apetest.GenerateRawChains(false, 3))
+	}
+
+	return m
+}
+
+func GenerateTable(empty bool) *acl.Table {
+	m := new(acl.Table)
+
+	if !empty {
+		m.SetRecords(GenerateRecords(false))
+		m.SetContainerID(accountingtest.GenerateContainerID(false))
+	}
+
+	m.SetVersion(accountingtest.GenerateVersion(empty))
+
+	return m
+}
+
+func GenerateRecords(empty bool) []acl.Record {
+	var rs []acl.Record
+
+	if !empty {
+		rs = append(rs,
+			*GenerateRecord(false),
+			*GenerateRecord(false),
+		)
+	}
+
+	return rs
+}
+
+func GenerateRecord(empty bool) *acl.Record {
+	m := new(acl.Record)
+
+	if !empty {
+		m.SetAction(acl.ActionAllow)
+		m.SetOperation(acl.OperationGet)
+		m.SetFilters(GenerateFilters(false))
+		m.SetTargets(GenerateTargets(false))
+	}
+
+	return m
+}
+
+func GenerateFilters(empty bool) []acl.HeaderFilter {
+	var fs []acl.HeaderFilter
+
+	if !empty {
+		fs = append(fs,
+			*GenerateFilter(false),
+			*GenerateFilter(false),
+		)
+	}
+
+	return fs
+}
+
+func GenerateFilter(empty bool) *acl.HeaderFilter {
+	m := new(acl.HeaderFilter)
+
+	if !empty {
+		m.SetKey("key")
+		m.SetValue("val")
+		m.SetHeaderType(acl.HeaderTypeRequest)
+		m.SetMatchType(acl.MatchTypeStringEqual)
+	}
+
+	return m
+}
+
+func GenerateTargets(empty bool) []acl.Target {
+	var ts []acl.Target
+
+	if !empty {
+		ts = append(ts,
+			*GenerateTarget(false),
+			*GenerateTarget(false),
+		)
+	}
+
+	return ts
+}
+
+func GenerateTarget(empty bool) *acl.Target {
+	m := new(acl.Target)
+
+	if !empty {
+		m.SetRole(acl.RoleSystem)
+		m.SetKeys([][]byte{{1}, {2}})
+	}
+
+	return m
+}
+
+func GenerateTokenLifetime(empty bool) *acl.TokenLifetime {
+	m := new(acl.TokenLifetime)
+
+	if !empty {
+		m.SetExp(1)
+		m.SetIat(2)
+		m.SetExp(3)
+	}
+
+	return m
+}

api/acl/types.go

@@ -0,0 +1,426 @@
+package acl
+
+import (
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/ape"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/refs"
+)
+
+// HeaderFilter is a unified structure of FilterInfo
+// message from proto definition.
+type HeaderFilter struct {
+	hdrType HeaderType
+
+	matchType MatchType
+
+	key, value string
+}
+
+// Target is a unified structure of Target
+// message from proto definition.
+type Target struct {
+	role Role
+
+	keys [][]byte
+}
+
+// Record is a unified structure of EACLRecord
+// message from proto definition.
+type Record struct {
+	op Operation
+
+	action Action
+
+	filters []HeaderFilter
+
+	targets []Target
+}
+
+// Table is a unified structure of EACLTable
+// message from proto definition.
+type Table struct {
+	version *refs.Version
+
+	cid *refs.ContainerID
+
+	records []Record
+}
+
+type TokenLifetime struct {
+	exp, nbf, iat uint64
+}
+
+type APEOverride struct {
+	target *ape.ChainTarget
+
+	chains []*ape.Chain
+}
+
+type BearerTokenBody struct {
+	eacl *Table
+
+	ownerID *refs.OwnerID
+
+	lifetime *TokenLifetime
+
+	apeOverride *APEOverride
+
+	impersonate bool
+}
+
+type BearerToken struct {
+	body *BearerTokenBody
+
+	sig *refs.Signature
+}
+
+// Target is a unified enum of MatchType enum from proto definition.
+type MatchType uint32
+
+// HeaderType is a unified enum of HeaderType enum from proto definition.
+type HeaderType uint32
+
+// Action is a unified enum of Action enum from proto definition.
+type Action uint32
+
+// Operation is a unified enum of Operation enum from proto definition.
+type Operation uint32
+
+// Role is a unified enum of Role enum from proto definition.
+type Role uint32
+
+const (
+	MatchTypeUnknown MatchType = iota
+	MatchTypeStringEqual
+	MatchTypeStringNotEqual
+)
+
+const (
+	HeaderTypeUnknown HeaderType = iota
+	HeaderTypeRequest
+	HeaderTypeObject
+	HeaderTypeService
+)
+
+const (
+	ActionUnknown Action = iota
+	ActionAllow
+	ActionDeny
+)
+
+const (
+	OperationUnknown Operation = iota
+	OperationGet
+	OperationHead
+	OperationPut
+	OperationDelete
+	OperationSearch
+	OperationRange
+	OperationRangeHash
+)
+
+const (
+	RoleUnknown Role = iota
+	RoleUser
+	RoleSystem
+	RoleOthers
+)
+
+func (f *HeaderFilter) GetHeaderType() HeaderType {
+	if f != nil {
+		return f.hdrType
+	}
+
+	return HeaderTypeUnknown
+}
+
+func (f *HeaderFilter) SetHeaderType(v HeaderType) {
+	f.hdrType = v
+}
+
+func (f *HeaderFilter) GetMatchType() MatchType {
+	if f != nil {
+		return f.matchType
+	}
+
+	return MatchTypeUnknown
+}
+
+func (f *HeaderFilter) SetMatchType(v MatchType) {
+	f.matchType = v
+}
+
+func (f *HeaderFilter) GetKey() string {
+	if f != nil {
+		return f.key
+	}
+
+	return ""
+}
+
+func (f *HeaderFilter) SetKey(v string) {
+	f.key = v
+}
+
+func (f *HeaderFilter) GetValue() string {
+	if f != nil {
+		return f.value
+	}
+
+	return ""
+}
+
+func (f *HeaderFilter) SetValue(v string) {
+	f.value = v
+}
+
+func (t *Target) GetRole() Role {
+	if t != nil {
+		return t.role
+	}
+
+	return RoleUnknown
+}
+
+func (t *Target) SetRole(v Role) {
+	t.role = v
+}
+
+func (t *Target) GetKeys() [][]byte {
+	if t != nil {
+		return t.keys
+	}
+
+	return nil
+}
+
+func (t *Target) SetKeys(v [][]byte) {
+	t.keys = v
+}
+
+func (r *Record) GetOperation() Operation {
+	if r != nil {
+		return r.op
+	}
+
+	return OperationUnknown
+}
+
+func (r *Record) SetOperation(v Operation) {
+	r.op = v
+}
+
+func (r *Record) GetAction() Action {
+	if r != nil {
+		return r.action
+	}
+
+	return ActionUnknown
+}
+
+func (r *Record) SetAction(v Action) {
+	r.action = v
+}
+
+func (r *Record) GetFilters() []HeaderFilter {
+	if r != nil {
+		return r.filters
+	}
+
+	return nil
+}
+
+func (r *Record) SetFilters(v []HeaderFilter) {
+	r.filters = v
+}
+
+func (r *Record) GetTargets() []Target {
+	if r != nil {
+		return r.targets
+	}
+
+	return nil
+}
+
+func (r *Record) SetTargets(v []Target) {
+	r.targets = v
+}
+
+func (t *Table) GetVersion() *refs.Version {
+	if t != nil {
+		return t.version
+	}
+
+	return nil
+}
+
+func (t *Table) SetVersion(v *refs.Version) {
+	t.version = v
+}
+
+func (t *Table) GetContainerID() *refs.ContainerID {
+	if t != nil {
+		return t.cid
+	}
+
+	return nil
+}
+
+func (t *Table) SetContainerID(v *refs.ContainerID) {
+	t.cid = v
+}
+
+func (t *Table) GetRecords() []Record {
+	if t != nil {
+		return t.records
+	}
+
+	return nil
+}
+
+func (t *Table) SetRecords(v []Record) {
+	t.records = v
+}
+
+func (l *TokenLifetime) GetExp() uint64 {
+	if l != nil {
+		return l.exp
+	}
+
+	return 0
+}
+
+func (l *TokenLifetime) SetExp(v uint64) {
+	l.exp = v
+}
+
+func (l *TokenLifetime) GetNbf() uint64 {
+	if l != nil {
+		return l.nbf
+	}
+
+	return 0
+}
+
+func (l *TokenLifetime) SetNbf(v uint64) {
+	l.nbf = v
+}
+
+func (l *TokenLifetime) GetIat() uint64 {
+	if l != nil {
+		return l.iat
+	}
+
+	return 0
+}
+
+func (l *TokenLifetime) SetIat(v uint64) {
+	l.iat = v
+}
+
+func (bt *BearerTokenBody) GetEACL() *Table {
+	if bt != nil {
+		return bt.eacl
+	}
+
+	return nil
+}
+
+func (bt *BearerTokenBody) SetEACL(v *Table) {
+	bt.eacl = v
+}
+
+func (t *APEOverride) GetTarget() *ape.ChainTarget {
+	if t == nil {
+		return nil
+	}
+
+	return t.target
+}
+
+func (t *APEOverride) GetChains() []*ape.Chain {
+	if t == nil {
+		return nil
+	}
+
+	return t.chains
+}
+
+func (t *APEOverride) SetTarget(v *ape.ChainTarget) {
+	t.target = v
+}
+
+func (t *APEOverride) SetChains(v []*ape.Chain) {
+	t.chains = v
+}
+
+func (bt *BearerTokenBody) GetAPEOverride() *APEOverride {
+	if bt != nil {
+		return bt.apeOverride
+	}
+
+	return nil
+}
+
+func (bt *BearerTokenBody) SetAPEOverride(v *APEOverride) {
+	bt.apeOverride = v
+}
+
+func (bt *BearerTokenBody) GetOwnerID() *refs.OwnerID {
+	if bt != nil {
+		return bt.ownerID
+	}
+
+	return nil
+}
+
+func (bt *BearerTokenBody) SetOwnerID(v *refs.OwnerID) {
+	bt.ownerID = v
+}
+
+func (bt *BearerTokenBody) GetLifetime() *TokenLifetime {
+	if bt != nil {
+		return bt.lifetime
+	}
+
+	return nil
+}
+
+func (bt *BearerTokenBody) SetLifetime(v *TokenLifetime) {
+	bt.lifetime = v
+}
+
+func (bt *BearerTokenBody) GetImpersonate() bool {
+	if bt != nil {
+		return bt.impersonate
+	}
+
+	return false
+}
+
+func (bt *BearerTokenBody) SetImpersonate(v bool) {
+	bt.impersonate = v
+}
+
+func (bt *BearerToken) GetBody() *BearerTokenBody {
+	if bt != nil {
+		return bt.body
+	}
+
+	return nil
+}
+
+func (bt *BearerToken) SetBody(v *BearerTokenBody) {
+	bt.body = v
+}
+
+func (bt *BearerToken) GetSignature() *refs.Signature {
+	if bt != nil {
+		return bt.sig
+	}
+
+	return nil
+}
+
+func (bt *BearerToken) SetSignature(v *refs.Signature) {
+	bt.sig = v
+}

api/ape/convert.go

@@ -0,0 +1,132 @@
+package ape
+
+import (
+	"fmt"
+
+	ape "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/ape/grpc"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/rpc/grpc"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/rpc/message"
+)
+
+func TargetTypeToGRPCField(typ TargetType) ape.TargetType {
+	switch typ {
+	case TargetTypeNamespace:
+		return ape.TargetType_NAMESPACE
+	case TargetTypeContainer:
+		return ape.TargetType_CONTAINER
+	case TargetTypeUser:
+		return ape.TargetType_USER
+	case TargetTypeGroup:
+		return ape.TargetType_GROUP
+	default:
+		return ape.TargetType_UNDEFINED
+	}
+}
+
+func TargetTypeFromGRPCField(typ ape.TargetType) TargetType {
+	switch typ {
+	case ape.TargetType_NAMESPACE:
+		return TargetTypeNamespace
+	case ape.TargetType_CONTAINER:
+		return TargetTypeContainer
+	case ape.TargetType_USER:
+		return TargetTypeUser
+	case ape.TargetType_GROUP:
+		return TargetTypeGroup
+	default:
+		return TargetTypeUndefined
+	}
+}
+
+func TargetTypeToGRPC(typ TargetType) ape.TargetType {
+	return ape.TargetType(typ)
+}
+
+func TargetTypeFromGRPC(typ ape.TargetType) TargetType {
+	return TargetType(typ)
+}
+
+func (v2 *ChainTarget) ToGRPCMessage() grpc.Message {
+	var mgrpc *ape.ChainTarget
+
+	if v2 != nil {
+		mgrpc = new(ape.ChainTarget)
+
+		mgrpc.SetType(TargetTypeToGRPC(v2.GetTargetType()))
+		mgrpc.SetName(v2.GetName())
+	}
+
+	return mgrpc
+}
+
+func (v2 *ChainTarget) FromGRPCMessage(m grpc.Message) error {
+	mgrpc, ok := m.(*ape.ChainTarget)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, mgrpc)
+	}
+
+	v2.SetTargetType(TargetTypeFromGRPC(mgrpc.GetType()))
+	v2.SetName(mgrpc.GetName())
+
+	return nil
+}
+
+func (v2 *ChainRaw) ToGRPCMessage() grpc.Message {
+	var mgrpc *ape.Chain_Raw
+
+	if v2 != nil {
+		mgrpc = new(ape.Chain_Raw)
+
+		mgrpc.SetRaw(v2.GetRaw())
+	}
+
+	return mgrpc
+}
+
+func (v2 *ChainRaw) FromGRPCMessage(m grpc.Message) error {
+	mgrpc, ok := m.(*ape.Chain_Raw)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, mgrpc)
+	}
+
+	v2.SetRaw(mgrpc.GetRaw())
+
+	return nil
+}
+
+func (v2 *Chain) ToGRPCMessage() grpc.Message {
+	var mgrpc *ape.Chain
+
+	if v2 != nil {
+		mgrpc = new(ape.Chain)
+
+		switch chainKind := v2.GetKind().(type) {
+		default:
+			panic(fmt.Sprintf("unsupported chain kind: %T", chainKind))
+		case *ChainRaw:
+			mgrpc.SetKind(chainKind.ToGRPCMessage().(*ape.Chain_Raw))
+		}
+	}
+
+	return mgrpc
+}
+
+func (v2 *Chain) FromGRPCMessage(m grpc.Message) error {
+	mgrpc, ok := m.(*ape.Chain)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, mgrpc)
+	}
+
+	switch chainKind := mgrpc.GetKind().(type) {
+	default:
+		return fmt.Errorf("unsupported chain kind: %T", chainKind)
+	case *ape.Chain_Raw:
+		chainRaw := new(ChainRaw)
+		if err := chainRaw.FromGRPCMessage(chainKind); err != nil {
+			return err
+		}
+		v2.SetKind(chainRaw)
+	}
+
+	return nil
+}

api/ape/grpc/types_frostfs_fuzz.go

@@ -0,0 +1,45 @@
+//go:build gofuzz
+// +build gofuzz
+
+// Code generated by protoc-gen-go-frostfs. DO NOT EDIT.
+
+package ape
+
+func DoFuzzProtoChainTarget(data []byte) int {
+	msg := new(ChainTarget)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONChainTarget(data []byte) int {
+	msg := new(ChainTarget)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}
+func DoFuzzProtoChain(data []byte) int {
+	msg := new(Chain)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONChain(data []byte) int {
+	msg := new(Chain)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}

api/ape/grpc/types_frostfs_test.go

@@ -0,0 +1,31 @@
+//go:build gofuzz
+// +build gofuzz
+
+// Code generated by protoc-gen-go-frostfs. DO NOT EDIT.
+
+package ape
+
+import (
+	testing "testing"
+)
+
+func FuzzProtoChainTarget(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoChainTarget(data)
+	})
+}
+func FuzzJSONChainTarget(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONChainTarget(data)
+	})
+}
+func FuzzProtoChain(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoChain(data)
+	})
+}
+func FuzzJSONChain(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONChain(data)
+	})
+}

api/ape/json.go

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

api/ape/marshal.go

@@ -0,0 +1,92 @@
+package ape
+
+import (
+	"fmt"
+
+	ape "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/ape/grpc"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/rpc/message"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/util/proto"
+)
+
+const (
+	chainTargetTargetTypeField = 1
+	chainTargetNameField       = 2
+
+	chainRawField = 1
+)
+
+func (t *ChainTarget) StableSize() (size int) {
+	if t == nil {
+		return 0
+	}
+
+	size += proto.EnumSize(chainTargetTargetTypeField, int32(t.targeType))
+	size += proto.StringSize(chainTargetNameField, t.name)
+
+	return size
+}
+
+func (t *ChainTarget) StableMarshal(buf []byte) []byte {
+	if t == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, t.StableSize())
+	}
+
+	var offset int
+
+	offset += proto.EnumMarshal(chainTargetTargetTypeField, buf[offset:], int32(t.targeType))
+	proto.StringMarshal(chainTargetNameField, buf[offset:], t.name)
+
+	return buf
+}
+
+func (t *ChainTarget) Unmarshal(data []byte) error {
+	return message.Unmarshal(t, data, new(ape.ChainTarget))
+}
+
+func (c *Chain) StableSize() (size int) {
+	if c == nil {
+		return 0
+	}
+
+	switch v := c.GetKind().(type) {
+	case *ChainRaw:
+		if v != nil {
+			size += proto.BytesSize(chainRawField, v.GetRaw())
+		}
+	default:
+		panic(fmt.Sprintf("unsupported chain kind: %T", v))
+	}
+
+	return size
+}
+
+func (c *Chain) StableMarshal(buf []byte) []byte {
+	if c == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, c.StableSize())
+	}
+
+	var offset int
+
+	switch v := c.GetKind().(type) {
+	case *ChainRaw:
+		if v != nil {
+			proto.BytesMarshal(chainRawField, buf[offset:], v.GetRaw())
+		}
+	default:
+		panic(fmt.Sprintf("unsupported chain kind: %T", v))
+	}
+
+	return buf
+}
+
+func (c *Chain) Unmarshal(data []byte) error {
+	return message.Unmarshal(c, data, new(ape.Chain))
+}

api/ape/message_test.go

@@ -0,0 +1,15 @@
+package ape_test
+
+import (
+	"testing"
+
+	apetest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/ape/test"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/rpc/message"
+	messagetest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/rpc/message/test"
+)
+
+func TestMessageConvert(t *testing.T) {
+	messagetest.TestRPCMessage(t,
+		func(empty bool) message.Message { return apetest.GenerateChainTarget(empty) },
+	)
+}

api/ape/string.go

@@ -0,0 +1,18 @@
+package ape
+
+import (
+	apegrpc "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/ape/grpc"
+)
+
+func (tt TargetType) String() string {
+	return TargetTypeToGRPCField(tt).String()
+}
+
+func (tt *TargetType) FromString(s string) bool {
+	i, ok := apegrpc.TargetType_value[s]
+	if ok {
+		*tt = TargetType(i)
+	}
+
+	return ok
+}

api/ape/test/generate.go

@@ -0,0 +1,71 @@
+package test
+
+import (
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/ape"
+)
+
+func GenerateRawChains(empty bool, n int) []*ape.Chain {
+	if empty {
+		return []*ape.Chain{}
+	}
+
+	res := make([]*ape.Chain, n)
+	for i := range res {
+		res[i] = GenerateRawChain(empty)
+	}
+	return res
+}
+
+func GenerateRawChain(empty bool) *ape.Chain {
+	chRaw := new(ape.ChainRaw)
+
+	if empty {
+		chRaw.SetRaw([]byte("{}"))
+	} else {
+		chRaw.SetRaw([]byte(`{
+			"ID": "",
+			"Rules": [
+			  {
+				"Status": "Allow",
+				"Actions": {
+				  "Inverted": false,
+				  "Names": [
+					"GetObject"
+				  ]
+				},
+				"Resources": {
+				  "Inverted": false,
+				  "Names": [
+					"native:object/*"
+				  ]
+				},
+				"Any": false,
+				"Condition": [
+				  {
+					"Op": "StringEquals",
+					"Object": "Resource",
+					"Key": "Department",
+					"Value": "HR"
+				  }
+				]
+			  }
+			],
+			"MatchType": "DenyPriority"
+			}`))
+	}
+
+	ch := new(ape.Chain)
+	ch.SetKind(chRaw)
+	return ch
+}
+
+func GenerateChainTarget(empty bool) *ape.ChainTarget {
+	m := new(ape.ChainTarget)
+
+	if !empty {
+		m.SetTargetType(ape.TargetTypeContainer)
+		m.SetName("BzQw5HH3feoxFDD5tCT87Y1726qzgLfxEE7wgtoRzB3R")
+	}
+
+	return m
+}

api/ape/types.go

@@ -0,0 +1,79 @@
+package ape
+
+type TargetType uint32
+
+const (
+	TargetTypeUndefined TargetType = iota
+	TargetTypeNamespace
+	TargetTypeContainer
+	TargetTypeUser
+	TargetTypeGroup
+)
+
+type ChainTarget struct {
+	targeType TargetType
+
+	name string
+}
+
+func (ct *ChainTarget) SetTargetType(targeType TargetType) {
+	ct.targeType = targeType
+}
+
+func (ct *ChainTarget) SetName(name string) {
+	ct.name = name
+}
+
+func (ct *ChainTarget) GetTargetType() TargetType {
+	if ct != nil {
+		return ct.targeType
+	}
+
+	return 0
+}
+
+func (ct *ChainTarget) GetName() string {
+	if ct != nil {
+		return ct.name
+	}
+
+	return ""
+}
+
+type chainKind interface {
+	isChainKind()
+}
+
+type Chain struct {
+	kind chainKind
+}
+
+func (c *Chain) SetKind(kind chainKind) {
+	c.kind = kind
+}
+
+func (c *Chain) GetKind() chainKind {
+	if c == nil {
+		return nil
+	}
+
+	return c.kind
+}
+
+type ChainRaw struct {
+	Raw []byte
+}
+
+func (*ChainRaw) isChainKind() {}
+
+func (c *ChainRaw) SetRaw(raw []byte) {
+	c.Raw = raw
+}
+
+func (c *ChainRaw) GetRaw() []byte {
+	if c == nil {
+		return nil
+	}
+
+	return c.Raw
+}

api/apemanager/convert.go

@@ -0,0 +1,358 @@
+package apemanager
+
+import (
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/ape"
+	apeGRPC "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/ape/grpc"
+	apemanager "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/apemanager/grpc"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/rpc/grpc"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/rpc/message"
+)
+
+func (reqBody *AddChainRequestBody) ToGRPCMessage() grpc.Message {
+	var reqBodygrpc *apemanager.AddChainRequest_Body
+
+	if reqBody != nil {
+		reqBodygrpc = new(apemanager.AddChainRequest_Body)
+
+		reqBodygrpc.SetTarget(reqBody.GetTarget().ToGRPCMessage().(*apeGRPC.ChainTarget))
+		reqBodygrpc.SetChain(reqBody.GetChain().ToGRPCMessage().(*apeGRPC.Chain))
+	}
+
+	return reqBodygrpc
+}
+
+func (reqBody *AddChainRequestBody) FromGRPCMessage(m grpc.Message) error {
+	reqBodygrpc, ok := m.(*apemanager.AddChainRequest_Body)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, reqBodygrpc)
+	}
+
+	if targetgrpc := reqBodygrpc.GetTarget(); targetgrpc != nil {
+		reqBody.target = new(ape.ChainTarget)
+		if err := reqBody.target.FromGRPCMessage(targetgrpc); err != nil {
+			return err
+		}
+	}
+
+	if chaingrpc := reqBodygrpc.GetChain(); chaingrpc != nil {
+		reqBody.chain = new(ape.Chain)
+		if err := reqBody.GetChain().FromGRPCMessage(chaingrpc); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func (req *AddChainRequest) ToGRPCMessage() grpc.Message {
+	var reqgrpc *apemanager.AddChainRequest
+
+	if req != nil {
+		reqgrpc = new(apemanager.AddChainRequest)
+
+		reqgrpc.SetBody(req.GetBody().ToGRPCMessage().(*apemanager.AddChainRequest_Body))
+		req.RequestHeaders.ToMessage(reqgrpc)
+	}
+
+	return reqgrpc
+}
+
+func (req *AddChainRequest) FromGRPCMessage(m grpc.Message) error {
+	reqgrpc, ok := m.(*apemanager.AddChainRequest)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, reqgrpc)
+	}
+
+	if reqBodygrpc := reqgrpc.GetBody(); reqBodygrpc != nil {
+		req.body = new(AddChainRequestBody)
+		if err := req.body.FromGRPCMessage(reqBodygrpc); err != nil {
+			return err
+		}
+	}
+
+	return req.RequestHeaders.FromMessage(reqgrpc)
+}
+
+func (respBody *AddChainResponseBody) ToGRPCMessage() grpc.Message {
+	var respBodygrpc *apemanager.AddChainResponse_Body
+
+	if respBody != nil {
+		respBodygrpc = new(apemanager.AddChainResponse_Body)
+
+		respBodygrpc.SetChainId(respBody.GetChainID())
+	}
+
+	return respBodygrpc
+}
+
+func (respBody *AddChainResponseBody) FromGRPCMessage(m grpc.Message) error {
+	respBodygrpc, ok := m.(*apemanager.AddChainResponse_Body)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, respBodygrpc)
+	}
+
+	respBody.SetChainID(respBodygrpc.GetChainId())
+
+	return nil
+}
+
+func (resp *AddChainResponse) ToGRPCMessage() grpc.Message {
+	var respgrpc *apemanager.AddChainResponse
+
+	if resp != nil {
+		respgrpc = new(apemanager.AddChainResponse)
+
+		respgrpc.SetBody(resp.body.ToGRPCMessage().(*apemanager.AddChainResponse_Body))
+		resp.ResponseHeaders.ToMessage(respgrpc)
+	}
+
+	return respgrpc
+}
+
+func (resp *AddChainResponse) FromGRPCMessage(m grpc.Message) error {
+	respgrpc, ok := m.(*apemanager.AddChainResponse)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, respgrpc)
+	}
+
+	if respBodygrpc := respgrpc.GetBody(); respBodygrpc != nil {
+		resp.body = new(AddChainResponseBody)
+		if err := resp.body.FromGRPCMessage(respBodygrpc); err != nil {
+			return err
+		}
+	}
+
+	return resp.ResponseHeaders.FromMessage(respgrpc)
+}
+
+func (reqBody *RemoveChainRequestBody) ToGRPCMessage() grpc.Message {
+	var reqBodygrpc *apemanager.RemoveChainRequest_Body
+
+	if reqBody != nil {
+		reqBodygrpc = new(apemanager.RemoveChainRequest_Body)
+
+		reqBodygrpc.SetTarget(reqBody.target.ToGRPCMessage().(*apeGRPC.ChainTarget))
+		reqBodygrpc.SetChainId(reqBody.GetChainID())
+	}
+
+	return reqBodygrpc
+}
+
+func (reqBody *RemoveChainRequestBody) FromGRPCMessage(m grpc.Message) error {
+	reqBodygrpc, ok := m.(*apemanager.RemoveChainRequest_Body)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, reqBodygrpc)
+	}
+
+	if targetgrpc := reqBodygrpc.GetTarget(); targetgrpc != nil {
+		reqBody.target = new(ape.ChainTarget)
+		if err := reqBody.target.FromGRPCMessage(targetgrpc); err != nil {
+			return err
+		}
+	}
+
+	reqBody.SetChainID(reqBodygrpc.GetChainId())
+
+	return nil
+}
+
+func (req *RemoveChainRequest) ToGRPCMessage() grpc.Message {
+	var reqgrpc *apemanager.RemoveChainRequest
+
+	if req != nil {
+		reqgrpc = new(apemanager.RemoveChainRequest)
+
+		reqgrpc.SetBody(req.body.ToGRPCMessage().(*apemanager.RemoveChainRequest_Body))
+		req.RequestHeaders.ToMessage(reqgrpc)
+	}
+
+	return reqgrpc
+}
+
+func (req *RemoveChainRequest) FromGRPCMessage(m grpc.Message) error {
+	reqgrpc, ok := m.(*apemanager.RemoveChainRequest)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, reqgrpc)
+	}
+
+	if reqBodygrpc := reqgrpc.GetBody(); reqBodygrpc != nil {
+		req.body = new(RemoveChainRequestBody)
+		if err := req.body.FromGRPCMessage(reqBodygrpc); err != nil {
+			return err
+		}
+	}
+
+	return req.RequestHeaders.FromMessage(reqgrpc)
+}
+
+func (respBody *RemoveChainResponseBody) ToGRPCMessage() grpc.Message {
+	var respBodygrpc *apemanager.RemoveChainResponse_Body
+
+	if respBody != nil {
+		respBodygrpc = new(apemanager.RemoveChainResponse_Body)
+	}
+
+	return respBodygrpc
+}
+
+func (respBody *RemoveChainResponseBody) FromGRPCMessage(m grpc.Message) error {
+	respBodygrpc, ok := m.(*apemanager.RemoveChainResponse_Body)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, respBodygrpc)
+	}
+
+	return nil
+}
+
+func (resp *RemoveChainResponse) ToGRPCMessage() grpc.Message {
+	var respgrpc *apemanager.RemoveChainResponse
+
+	if resp != nil {
+		respgrpc = new(apemanager.RemoveChainResponse)
+
+		respgrpc.SetBody(resp.body.ToGRPCMessage().(*apemanager.RemoveChainResponse_Body))
+		resp.ResponseHeaders.ToMessage(respgrpc)
+	}
+
+	return respgrpc
+}
+
+func (resp *RemoveChainResponse) FromGRPCMessage(m grpc.Message) error {
+	respgrpc, ok := m.(*apemanager.RemoveChainResponse)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, respgrpc)
+	}
+
+	if respBodygrpc := respgrpc.GetBody(); respBodygrpc != nil {
+		resp.body = new(RemoveChainResponseBody)
+		if err := resp.body.FromGRPCMessage(respBodygrpc); err != nil {
+			return err
+		}
+	}
+
+	return resp.ResponseHeaders.FromMessage(respgrpc)
+}
+
+func (reqBody *ListChainsRequestBody) ToGRPCMessage() grpc.Message {
+	var reqBodygrpc *apemanager.ListChainsRequest_Body
+
+	if reqBody != nil {
+		reqBodygrpc = new(apemanager.ListChainsRequest_Body)
+
+		reqBodygrpc.SetTarget(reqBody.target.ToGRPCMessage().(*apeGRPC.ChainTarget))
+	}
+
+	return reqBodygrpc
+}
+
+func (reqBody *ListChainsRequestBody) FromGRPCMessage(m grpc.Message) error {
+	reqBodygrpc, ok := m.(*apemanager.ListChainsRequest_Body)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, reqBodygrpc)
+	}
+
+	if targetgrpc := reqBodygrpc.GetTarget(); targetgrpc != nil {
+		reqBody.target = new(ape.ChainTarget)
+		if err := reqBody.target.FromGRPCMessage(targetgrpc); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func (req *ListChainsRequest) ToGRPCMessage() grpc.Message {
+	var reqgrpc *apemanager.ListChainsRequest
+
+	if req != nil {
+		reqgrpc = new(apemanager.ListChainsRequest)
+
+		reqgrpc.SetBody(req.body.ToGRPCMessage().(*apemanager.ListChainsRequest_Body))
+		req.RequestHeaders.ToMessage(reqgrpc)
+	}
+
+	return reqgrpc
+}
+
+func (req *ListChainsRequest) FromGRPCMessage(m grpc.Message) error {
+	reqgrpc, ok := m.(*apemanager.ListChainsRequest)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, reqgrpc)
+	}
+
+	if reqBodygrpc := reqgrpc.GetBody(); reqBodygrpc != nil {
+		req.body = new(ListChainsRequestBody)
+		if err := req.body.FromGRPCMessage(reqBodygrpc); err != nil {
+			return err
+		}
+	}
+
+	return req.RequestHeaders.FromMessage(reqgrpc)
+}
+
+func (respBody *ListChainsResponseBody) ToGRPCMessage() grpc.Message {
+	var respBodygrpc *apemanager.ListChainsResponse_Body
+
+	if respBody != nil {
+		respBodygrpc = new(apemanager.ListChainsResponse_Body)
+
+		chainsgrpc := make([]apeGRPC.Chain, 0, len(respBody.GetChains()))
+		for _, chain := range respBody.GetChains() {
+			chainsgrpc = append(chainsgrpc, *chain.ToGRPCMessage().(*apeGRPC.Chain))
+		}
+
+		respBodygrpc.SetChains(chainsgrpc)
+	}
+
+	return respBodygrpc
+}
+
+func (respBody *ListChainsResponseBody) FromGRPCMessage(m grpc.Message) error {
+	respBodygrpc, ok := m.(*apemanager.ListChainsResponse_Body)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, respBodygrpc)
+	}
+
+	chains := make([]*ape.Chain, 0, len(respBodygrpc.GetChains()))
+
+	for _, chaingrpc := range respBodygrpc.GetChains() {
+		chain := new(ape.Chain)
+		if err := chain.FromGRPCMessage(&chaingrpc); err != nil {
+			return err
+		}
+		chains = append(chains, chain)
+	}
+
+	respBody.SetChains(chains)
+
+	return nil
+}
+
+func (resp *ListChainsResponse) ToGRPCMessage() grpc.Message {
+	var respgrpc *apemanager.ListChainsResponse
+
+	if resp != nil {
+		respgrpc = new(apemanager.ListChainsResponse)
+
+		respgrpc.SetBody(resp.body.ToGRPCMessage().(*apemanager.ListChainsResponse_Body))
+		resp.ResponseHeaders.ToMessage(respgrpc)
+	}
+
+	return respgrpc
+}
+
+func (resp *ListChainsResponse) FromGRPCMessage(m grpc.Message) error {
+	respgrpc, ok := m.(*apemanager.ListChainsResponse)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, respgrpc)
+	}
+
+	if respBodygrpc := respgrpc.GetBody(); respBodygrpc != nil {
+		resp.body = new(ListChainsResponseBody)
+		if err := resp.body.FromGRPCMessage(respBodygrpc); err != nil {
+			return err
+		}
+	}
+
+	return resp.ResponseHeaders.FromMessage(respgrpc)
+}

api/apemanager/grpc/service_frostfs_fuzz.go

@@ -0,0 +1,121 @@
+//go:build gofuzz
+// +build gofuzz
+
+// Code generated by protoc-gen-go-frostfs. DO NOT EDIT.
+
+package apemanager
+
+func DoFuzzProtoAddChainRequest(data []byte) int {
+	msg := new(AddChainRequest)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONAddChainRequest(data []byte) int {
+	msg := new(AddChainRequest)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}
+func DoFuzzProtoAddChainResponse(data []byte) int {
+	msg := new(AddChainResponse)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONAddChainResponse(data []byte) int {
+	msg := new(AddChainResponse)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}
+func DoFuzzProtoRemoveChainRequest(data []byte) int {
+	msg := new(RemoveChainRequest)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONRemoveChainRequest(data []byte) int {
+	msg := new(RemoveChainRequest)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}
+func DoFuzzProtoRemoveChainResponse(data []byte) int {
+	msg := new(RemoveChainResponse)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONRemoveChainResponse(data []byte) int {
+	msg := new(RemoveChainResponse)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}
+func DoFuzzProtoListChainsRequest(data []byte) int {
+	msg := new(ListChainsRequest)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONListChainsRequest(data []byte) int {
+	msg := new(ListChainsRequest)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}
+func DoFuzzProtoListChainsResponse(data []byte) int {
+	msg := new(ListChainsResponse)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONListChainsResponse(data []byte) int {
+	msg := new(ListChainsResponse)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}

api/apemanager/grpc/service_frostfs_test.go

@@ -0,0 +1,71 @@
+//go:build gofuzz
+// +build gofuzz
+
+// Code generated by protoc-gen-go-frostfs. DO NOT EDIT.
+
+package apemanager
+
+import (
+	testing "testing"
+)
+
+func FuzzProtoAddChainRequest(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoAddChainRequest(data)
+	})
+}
+func FuzzJSONAddChainRequest(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONAddChainRequest(data)
+	})
+}
+func FuzzProtoAddChainResponse(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoAddChainResponse(data)
+	})
+}
+func FuzzJSONAddChainResponse(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONAddChainResponse(data)
+	})
+}
+func FuzzProtoRemoveChainRequest(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoRemoveChainRequest(data)
+	})
+}
+func FuzzJSONRemoveChainRequest(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONRemoveChainRequest(data)
+	})
+}
+func FuzzProtoRemoveChainResponse(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoRemoveChainResponse(data)
+	})
+}
+func FuzzJSONRemoveChainResponse(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONRemoveChainResponse(data)
+	})
+}
+func FuzzProtoListChainsRequest(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoListChainsRequest(data)
+	})
+}
+func FuzzJSONListChainsRequest(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONListChainsRequest(data)
+	})
+}
+func FuzzProtoListChainsResponse(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoListChainsResponse(data)
+	})
+}
+func FuzzJSONListChainsResponse(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONListChainsResponse(data)
+	})
+}

api/apemanager/marshal.go

@@ -0,0 +1,205 @@
+package apemanager
+
+import (
+	apemanager "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/apemanager/grpc"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/rpc/message"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/util/proto"
+)
+
+const (
+	addChainReqBodyTargetField = 1
+	addChainReqBodyChainField  = 2
+
+	addChainRespBodyChainIDField = 1
+
+	removeChainReqBodyTargetField = 1
+	removeChainReqBodyChainField  = 2
+
+	/*
+		Fields for RemoveResponseBody are missed since RemoveResponseBody is empty.
+	*/
+
+	listChainsReqBodyTargetField = 1
+
+	listChainsRespBodyChainsField = 1
+)
+
+func (rb *AddChainRequestBody) StableSize() (size int) {
+	if rb == nil {
+		return 0
+	}
+
+	size += proto.NestedStructureSize(addChainReqBodyTargetField, rb.target)
+	size += proto.NestedStructureSize(addChainReqBodyChainField, rb.chain)
+
+	return size
+}
+
+func (rb *AddChainRequestBody) StableMarshal(buf []byte) []byte {
+	if rb == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, rb.StableSize())
+	}
+
+	var offset int
+
+	offset += proto.NestedStructureMarshal(addChainReqBodyTargetField, buf[offset:], rb.target)
+	proto.NestedStructureMarshal(addChainReqBodyChainField, buf[offset:], rb.chain)
+
+	return buf
+}
+
+func (rb *AddChainRequestBody) Unmarshal(data []byte) error {
+	return message.Unmarshal(rb, data, new(apemanager.AddChainRequest_Body))
+}
+
+func (rb *AddChainResponseBody) StableSize() (size int) {
+	if rb == nil {
+		return 0
+	}
+
+	size += proto.BytesSize(addChainRespBodyChainIDField, rb.chainID)
+
+	return size
+}
+
+func (rb *AddChainResponseBody) StableMarshal(buf []byte) []byte {
+	if rb == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, rb.StableSize())
+	}
+
+	var offset int
+
+	proto.BytesMarshal(addChainRespBodyChainIDField, buf[offset:], rb.chainID)
+
+	return buf
+}
+
+func (rb *AddChainResponseBody) Unmarshal(data []byte) error {
+	return message.Unmarshal(rb, data, new(apemanager.AddChainResponse_Body))
+}
+
+func (rb *RemoveChainRequestBody) StableSize() (size int) {
+	if rb == nil {
+		return 0
+	}
+
+	size += proto.NestedStructureSize(addChainReqBodyTargetField, rb.target)
+	size += proto.BytesSize(addChainReqBodyChainField, rb.chainID)
+
+	return size
+}
+
+func (rb *RemoveChainRequestBody) StableMarshal(buf []byte) []byte {
+	if rb == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, rb.StableSize())
+	}
+
+	var offset int
+
+	offset += proto.NestedStructureMarshal(removeChainReqBodyTargetField, buf[offset:], rb.target)
+	proto.BytesMarshal(removeChainReqBodyChainField, buf[offset:], rb.chainID)
+
+	return buf
+}
+
+func (rb *RemoveChainRequestBody) Unmarshal(data []byte) error {
+	return message.Unmarshal(rb, data, new(apemanager.RemoveChainRequest_Body))
+}
+
+func (rb *RemoveChainResponseBody) StableSize() (size int) {
+	if rb == nil {
+		return 0
+	}
+
+	return size
+}
+
+func (rb *RemoveChainResponseBody) StableMarshal(buf []byte) []byte {
+	if rb == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, rb.StableSize())
+	}
+
+	return buf
+}
+
+func (rb *RemoveChainResponseBody) Unmarshal(data []byte) error {
+	return message.Unmarshal(rb, data, new(apemanager.RemoveChainResponse_Body))
+}
+
+func (rb *ListChainsRequestBody) StableSize() (size int) {
+	if rb == nil {
+		return 0
+	}
+
+	size += proto.NestedStructureSize(listChainsReqBodyTargetField, rb.target)
+
+	return size
+}
+
+func (rb *ListChainsRequestBody) StableMarshal(buf []byte) []byte {
+	if rb == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, rb.StableSize())
+	}
+
+	var offset int
+	proto.NestedStructureMarshal(addChainReqBodyTargetField, buf[offset:], rb.target)
+
+	return buf
+}
+
+func (rb *ListChainsRequestBody) Unmarshal(data []byte) error {
+	return message.Unmarshal(rb, data, new(apemanager.ListChainsRequest_Body))
+}
+
+func (rb *ListChainsResponseBody) StableSize() (size int) {
+	if rb == nil {
+		return 0
+	}
+
+	for _, chain := range rb.GetChains() {
+		size += proto.NestedStructureSize(listChainsRespBodyChainsField, chain)
+	}
+
+	return size
+}
+
+func (rb *ListChainsResponseBody) StableMarshal(buf []byte) []byte {
+	if rb == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, rb.StableSize())
+	}
+
+	var offset int
+	for _, chain := range rb.GetChains() {
+		offset += proto.NestedStructureMarshal(listChainsRespBodyChainsField, buf[offset:], chain)
+	}
+
+	return buf
+}
+
+func (rb *ListChainsResponseBody) Unmarshal(data []byte) error {
+	return message.Unmarshal(rb, data, new(apemanager.ListChainsResponse_Body))
+}

api/apemanager/message_test.go

@@ -0,0 +1,26 @@
+package apemanager_test
+
+import (
+	"testing"
+
+	apemanagertest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/apemanager/test"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/rpc/message"
+	messagetest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/rpc/message/test"
+)
+
+func TestMessageConvert(t *testing.T) {
+	messagetest.TestRPCMessage(t,
+		func(empty bool) message.Message { return apemanagertest.GenerateAddChainRequestBody(empty) },
+		func(empty bool) message.Message { return apemanagertest.GenerateAddChainRequest(empty) },
+		func(empty bool) message.Message { return apemanagertest.GenerateAddChainResponseBody(empty) },
+		func(empty bool) message.Message { return apemanagertest.GenerateAddChainResponse(empty) },
+		func(empty bool) message.Message { return apemanagertest.GenerateRemoveChainRequestBody(empty) },
+		func(empty bool) message.Message { return apemanagertest.GenerateRemoveChainRequest(empty) },
+		func(empty bool) message.Message { return apemanagertest.GenerateRemoveChainResponseBody(empty) },
+		func(empty bool) message.Message { return apemanagertest.GenerateRemoveChainResponse(empty) },
+		func(empty bool) message.Message { return apemanagertest.GenerateListChainsRequestBody(empty) },
+		func(empty bool) message.Message { return apemanagertest.GenerateListChainsRequest(empty) },
+		func(empty bool) message.Message { return apemanagertest.GenerateListChainsResponseBody(empty) },
+		func(empty bool) message.Message { return apemanagertest.GenerateListChainsResponse(empty) },
+	)
+}

api/apemanager/status.go

@@ -0,0 +1,76 @@
+package apemanager
+
+import (
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/status"
+	statusgrpc "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/status/grpc"
+)
+
+// LocalizeFailStatus checks if passed global status.Code is related to ape manager failure and:
+//
+//	then localizes the code and returns true,
+//	else leaves the code unchanged and returns false.
+//
+// Arg must be non-nil.
+func LocalizeFailStatus(c *status.Code) bool {
+	return status.LocalizeIfInSection(c, uint32(statusgrpc.Section_SECTION_APE_MANAGER))
+}
+
+// GlobalizeFail globalizes local code of ape manager failure.
+//
+// Arg must be non-nil.
+func GlobalizeFail(c *status.Code) {
+	c.GlobalizeSection(uint32(statusgrpc.Section_SECTION_APE_MANAGER))
+}
+
+const (
+	// StatusAPEManagerAccessDenied is a local status.Code value for
+	// ACCESS_DENIED ape manager failure.
+	StatusAPEManagerAccessDenied status.Code = iota
+)
+
+const (
+	// detailAccessDeniedDesc is a StatusAccessDenied detail ID for
+	// human-readable description.
+	detailAccessDeniedDesc = iota
+)
+
+// WriteAccessDeniedDesc writes human-readable description of StatusAccessDenied
+// into status.Status as a detail. The status must not be nil.
+//
+// Existing details are expected to be ID-unique, otherwise undefined behavior.
+func WriteAccessDeniedDesc(st *status.Status, desc string) {
+	var found bool
+
+	st.IterateDetails(func(d *status.Detail) bool {
+		if d.ID() == detailAccessDeniedDesc {
+			found = true
+			d.SetValue([]byte(desc))
+		}
+
+		return found
+	})
+
+	if !found {
+		var d status.Detail
+
+		d.SetID(detailAccessDeniedDesc)
+		d.SetValue([]byte(desc))
+
+		st.AppendDetails(d)
+	}
+}
+
+// ReadAccessDeniedDesc looks up for status detail with human-readable description
+// of StatusAccessDenied. Returns empty string if detail is missing.
+func ReadAccessDeniedDesc(st status.Status) (desc string) {
+	st.IterateDetails(func(d *status.Detail) bool {
+		if d.ID() == detailAccessDeniedDesc {
+			desc = string(d.Value())
+			return true
+		}
+
+		return false
+	})
+
+	return
+}

api/apemanager/status_test.go

@@ -0,0 +1,30 @@
+package apemanager_test
+
+import (
+	"testing"
+
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/apemanager"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/status"
+	statustest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/status/test"
+	"github.com/stretchr/testify/require"
+)
+
+func TestStatusCodes(t *testing.T) {
+	statustest.TestCodes(t, apemanager.LocalizeFailStatus, apemanager.GlobalizeFail,
+		apemanager.StatusAPEManagerAccessDenied, 5120,
+	)
+}
+
+func TestAccessDeniedDesc(t *testing.T) {
+	var st status.Status
+
+	require.Empty(t, apemanager.ReadAccessDeniedDesc(st))
+
+	const desc = "some description"
+
+	apemanager.WriteAccessDeniedDesc(&st, desc)
+	require.Equal(t, desc, apemanager.ReadAccessDeniedDesc(st))
+
+	apemanager.WriteAccessDeniedDesc(&st, desc+"1")
+	require.Equal(t, desc+"1", apemanager.ReadAccessDeniedDesc(st))
+}

api/apemanager/test/generate.go

@@ -0,0 +1,143 @@
+package apemanagertest
+
+import (
+	apetest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/ape/test"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/apemanager"
+	sessiontest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/session/test"
+)
+
+func generateChainID(empty bool) []byte {
+	if empty {
+		return []byte{}
+	}
+
+	return []byte("616c6c6f774f626a476574436e72")
+}
+
+func GenerateAddChainRequestBody(empty bool) *apemanager.AddChainRequestBody {
+	m := new(apemanager.AddChainRequestBody)
+
+	if !empty {
+		m.SetTarget(apetest.GenerateChainTarget(empty))
+		m.SetChain(apetest.GenerateRawChain(empty))
+	}
+
+	return m
+}
+
+func GenerateAddChainRequest(empty bool) *apemanager.AddChainRequest {
+	m := new(apemanager.AddChainRequest)
+
+	if !empty {
+		m.SetBody(GenerateAddChainRequestBody(empty))
+		m.SetMetaHeader(sessiontest.GenerateRequestMetaHeader(empty))
+		m.SetVerificationHeader(sessiontest.GenerateRequestVerificationHeader(empty))
+	}
+
+	return m
+}
+
+func GenerateAddChainResponseBody(empty bool) *apemanager.AddChainResponseBody {
+	m := new(apemanager.AddChainResponseBody)
+
+	if !empty {
+		m.SetChainID(generateChainID(empty))
+	}
+
+	return m
+}
+
+func GenerateAddChainResponse(empty bool) *apemanager.AddChainResponse {
+	m := new(apemanager.AddChainResponse)
+
+	if !empty {
+		m.SetBody(GenerateAddChainResponseBody(empty))
+		m.SetMetaHeader(sessiontest.GenerateResponseMetaHeader(empty))
+		m.SetVerificationHeader(sessiontest.GenerateResponseVerificationHeader(empty))
+	}
+
+	return m
+}
+
+func GenerateRemoveChainRequestBody(empty bool) *apemanager.RemoveChainRequestBody {
+	m := new(apemanager.RemoveChainRequestBody)
+
+	if !empty {
+		m.SetChainID(generateChainID(empty))
+		m.SetTarget(apetest.GenerateChainTarget(empty))
+	}
+
+	return m
+}
+
+func GenerateRemoveChainRequest(empty bool) *apemanager.RemoveChainRequest {
+	m := new(apemanager.RemoveChainRequest)
+
+	if !empty {
+		m.SetBody(GenerateRemoveChainRequestBody(empty))
+		m.SetMetaHeader(sessiontest.GenerateRequestMetaHeader(empty))
+		m.SetVerificationHeader(sessiontest.GenerateRequestVerificationHeader(empty))
+	}
+
+	return m
+}
+
+func GenerateRemoveChainResponseBody(_ bool) *apemanager.RemoveChainResponseBody {
+	return new(apemanager.RemoveChainResponseBody)
+}
+
+func GenerateRemoveChainResponse(empty bool) *apemanager.RemoveChainResponse {
+	m := new(apemanager.RemoveChainResponse)
+
+	if !empty {
+		m.SetBody(GenerateRemoveChainResponseBody(empty))
+		m.SetMetaHeader(sessiontest.GenerateResponseMetaHeader(empty))
+		m.SetVerificationHeader(sessiontest.GenerateResponseVerificationHeader(empty))
+	}
+
+	return m
+}
+
+func GenerateListChainsRequestBody(empty bool) *apemanager.ListChainsRequestBody {
+	m := new(apemanager.ListChainsRequestBody)
+
+	if !empty {
+		m.SetTarget(apetest.GenerateChainTarget(empty))
+	}
+
+	return m
+}
+
+func GenerateListChainsRequest(empty bool) *apemanager.ListChainsRequest {
+	m := new(apemanager.ListChainsRequest)
+
+	if !empty {
+		m.SetBody(GenerateListChainsRequestBody(empty))
+		m.SetMetaHeader(sessiontest.GenerateRequestMetaHeader(empty))
+		m.SetVerificationHeader(sessiontest.GenerateRequestVerificationHeader(empty))
+	}
+
+	return m
+}
+
+func GenerateListChainsResponseBody(empty bool) *apemanager.ListChainsResponseBody {
+	m := new(apemanager.ListChainsResponseBody)
+
+	if !empty {
+		m.SetChains(apetest.GenerateRawChains(empty, 10))
+	}
+
+	return m
+}
+
+func GenerateListChainsResponse(empty bool) *apemanager.ListChainsResponse {
+	m := new(apemanager.ListChainsResponse)
+
+	if !empty {
+		m.SetBody(GenerateListChainsResponseBody(empty))
+		m.SetMetaHeader(sessiontest.GenerateResponseMetaHeader(empty))
+		m.SetVerificationHeader(sessiontest.GenerateResponseVerificationHeader(empty))
+	}
+
+	return m
+}

api/apemanager/types.go

@@ -0,0 +1,226 @@
+package apemanager
+
+import (
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/ape"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/session"
+)
+
+type AddChainRequest struct {
+	body *AddChainRequestBody
+
+	session.RequestHeaders
+}
+
+func (r *AddChainRequest) SetBody(body *AddChainRequestBody) {
+	r.body = body
+}
+
+func (r *AddChainRequest) GetBody() *AddChainRequestBody {
+	if r == nil {
+		return nil
+	}
+
+	return r.body
+}
+
+type AddChainRequestBody struct {
+	target *ape.ChainTarget
+
+	chain *ape.Chain
+}
+
+func (rb *AddChainRequestBody) SetTarget(target *ape.ChainTarget) {
+	rb.target = target
+}
+
+func (rb *AddChainRequestBody) GetTarget() *ape.ChainTarget {
+	if rb == nil {
+		return nil
+	}
+
+	return rb.target
+}
+
+func (rb *AddChainRequestBody) SetChain(chain *ape.Chain) {
+	rb.chain = chain
+}
+
+func (rb *AddChainRequestBody) GetChain() *ape.Chain {
+	if rb == nil {
+		return nil
+	}
+
+	return rb.chain
+}
+
+type AddChainResponse struct {
+	body *AddChainResponseBody
+
+	session.ResponseHeaders
+}
+
+func (r *AddChainResponse) SetBody(body *AddChainResponseBody) {
+	r.body = body
+}
+
+func (r *AddChainResponse) GetBody() *AddChainResponseBody {
+	if r == nil {
+		return nil
+	}
+
+	return r.body
+}
+
+type AddChainResponseBody struct {
+	chainID []byte
+}
+
+func (rb *AddChainResponseBody) SetChainID(chainID []byte) {
+	rb.chainID = chainID
+}
+
+func (rb *AddChainResponseBody) GetChainID() []byte {
+	if rb == nil {
+		return nil
+	}
+
+	return rb.chainID
+}
+
+type RemoveChainRequest struct {
+	body *RemoveChainRequestBody
+
+	session.RequestHeaders
+}
+
+func (r *RemoveChainRequest) SetBody(body *RemoveChainRequestBody) {
+	r.body = body
+}
+
+func (r *RemoveChainRequest) GetBody() *RemoveChainRequestBody {
+	if r == nil {
+		return nil
+	}
+
+	return r.body
+}
+
+type RemoveChainRequestBody struct {
+	target *ape.ChainTarget
+
+	chainID []byte
+}
+
+func (rb *RemoveChainRequestBody) SetTarget(target *ape.ChainTarget) {
+	rb.target = target
+}
+
+func (rb *RemoveChainRequestBody) GetTarget() *ape.ChainTarget {
+	if rb == nil {
+		return nil
+	}
+
+	return rb.target
+}
+
+func (rb *RemoveChainRequestBody) SetChainID(chainID []byte) {
+	rb.chainID = chainID
+}
+
+func (rb *RemoveChainRequestBody) GetChainID() []byte {
+	if rb == nil {
+		return nil
+	}
+
+	return rb.chainID
+}
+
+type RemoveChainResponse struct {
+	body *RemoveChainResponseBody
+
+	session.ResponseHeaders
+}
+
+type RemoveChainResponseBody struct{}
+
+func (r *RemoveChainResponse) SetBody(body *RemoveChainResponseBody) {
+	r.body = body
+}
+
+func (r *RemoveChainResponse) GetBody() *RemoveChainResponseBody {
+	if r == nil {
+		return nil
+	}
+
+	return r.body
+}
+
+type ListChainsRequest struct {
+	body *ListChainsRequestBody
+
+	session.RequestHeaders
+}
+
+func (r *ListChainsRequest) SetBody(body *ListChainsRequestBody) {
+	r.body = body
+}
+
+func (r *ListChainsRequest) GetBody() *ListChainsRequestBody {
+	if r == nil {
+		return nil
+	}
+
+	return r.body
+}
+
+type ListChainsRequestBody struct {
+	target *ape.ChainTarget
+}
+
+func (rb *ListChainsRequestBody) SetTarget(target *ape.ChainTarget) {
+	rb.target = target
+}
+
+func (rb *ListChainsRequestBody) GetTarget() *ape.ChainTarget {
+	if rb == nil {
+		return nil
+	}
+
+	return rb.target
+}
+
+type ListChainsResponse struct {
+	body *ListChainsResponseBody
+
+	session.ResponseHeaders
+}
+
+func (r *ListChainsResponse) SetBody(body *ListChainsResponseBody) {
+	r.body = body
+}
+
+func (r *ListChainsResponse) GetBody() *ListChainsResponseBody {
+	if r == nil {
+		return nil
+	}
+
+	return r.body
+}
+
+type ListChainsResponseBody struct {
+	chains []*ape.Chain
+
+	session.RequestHeaders
+}
+
+func (r *ListChainsResponseBody) SetChains(chains []*ape.Chain) {
+	r.chains = chains
+}
+
+func (r *ListChainsResponseBody) GetChains() []*ape.Chain {
+	if r == nil {
+		return nil
+	}
+
+	return r.chains
+}

api/container/attributes.go

@@ -0,0 +1,90 @@
+package container
+
+// SysAttributePrefix is a prefix of key to system attribute.
+const SysAttributePrefix = "__SYSTEM__"
+
+const (
+	// SysAttributeName is a string of human-friendly container name registered as the domain in NNS contract.
+	SysAttributeName = SysAttributePrefix + "NAME"
+
+	// SysAttributeZone is a string of zone for container name.
+	SysAttributeZone = SysAttributePrefix + "ZONE"
+
+	// SysAttributeHomomorphicHashing is a container's homomorphic hashing state.
+	SysAttributeHomomorphicHashing = SysAttributePrefix + "DISABLE_HOMOMORPHIC_HASHING"
+)
+
+// SysAttributePrefixNeoFS is a prefix of key to system attribute.
+// Deprecated: use SysAttributePrefix.
+const SysAttributePrefixNeoFS = "__NEOFS__"
+
+const (
+	// SysAttributeNameNeoFS is a string of human-friendly container name registered as the domain in NNS contract.
+	// Deprecated: use SysAttributeName.
+	SysAttributeNameNeoFS = SysAttributePrefixNeoFS + "NAME"
+
+	// SysAttributeZoneNeoFS is a string of zone for container name.
+	// Deprecated: use SysAttributeZone.
+	SysAttributeZoneNeoFS = SysAttributePrefixNeoFS + "ZONE"
+
+	// SysAttributeHomomorphicHashingNeoFS is a container's homomorphic hashing state.
+	// Deprecated: use SysAttributeHomomorphicHashing.
+	SysAttributeHomomorphicHashingNeoFS = SysAttributePrefixNeoFS + "DISABLE_HOMOMORPHIC_HASHING"
+)
+
+// SysAttributeZoneDefault is a default value for SysAttributeZone attribute.
+const SysAttributeZoneDefault = "container"
+
+const disabledHomomorphicHashingValue = "true"
+
+// HomomorphicHashingState returns container's homomorphic
+// hashing state:
+//   - true if hashing is enabled;
+//   - false if hashing is disabled.
+//
+// All container's attributes must be unique, otherwise behavior
+// is undefined.
+//
+// See also SetHomomorphicHashingState.
+func (c Container) HomomorphicHashingState() bool {
+	for i := range c.attr {
+		if c.attr[i].GetKey() == SysAttributeHomomorphicHashing || c.attr[i].GetKey() == SysAttributeHomomorphicHashingNeoFS {
+			return c.attr[i].GetValue() != disabledHomomorphicHashingValue
+		}
+	}
+
+	return true
+}
+
+// SetHomomorphicHashingState sets homomorphic hashing state for
+// container.
+//
+// All container's attributes must be unique, otherwise behavior
+// is undefined.
+//
+// See also HomomorphicHashingState.
+func (c *Container) SetHomomorphicHashingState(enable bool) {
+	for i := range c.attr {
+		if c.attr[i].GetKey() == SysAttributeHomomorphicHashing || c.attr[i].GetKey() == SysAttributeHomomorphicHashingNeoFS {
+			if enable {
+				// approach without allocation/waste
+				// coping works since the attributes
+				// order is not important
+				c.attr[i] = c.attr[len(c.attr)-1]
+				c.attr = c.attr[:len(c.attr)-1]
+			} else {
+				c.attr[i].SetValue(disabledHomomorphicHashingValue)
+			}
+
+			return
+		}
+	}
+
+	if !enable {
+		attr := Attribute{}
+		attr.SetKey(SysAttributeHomomorphicHashing)
+		attr.SetValue(disabledHomomorphicHashingValue)
+
+		c.attr = append(c.attr, attr)
+	}
+}

api/container/attributes_test.go

@@ -0,0 +1,59 @@
+package container_test
+
+import (
+	"testing"
+
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/container"
+	containertest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/container/test"
+	"github.com/stretchr/testify/require"
+)
+
+func TestContainer_HomomorphicHashingDisabled(t *testing.T) {
+	cnr := containertest.GenerateContainer(false)
+
+	t.Run("defaults", func(t *testing.T) {
+		require.True(t, cnr.HomomorphicHashingState())
+	})
+
+	t.Run("disabled", func(t *testing.T) {
+		attr := container.Attribute{}
+		attr.SetKey(container.SysAttributeHomomorphicHashing)
+		attr.SetValue("NOT_true")
+
+		cnr.SetAttributes(append(cnr.GetAttributes(), attr))
+		require.True(t, cnr.HomomorphicHashingState())
+
+		attr.SetValue("true")
+
+		cnr.SetAttributes([]container.Attribute{attr})
+		require.False(t, cnr.HomomorphicHashingState())
+	})
+}
+
+func TestContainer_SetHomomorphicHashingState(t *testing.T) {
+	cnr := containertest.GenerateContainer(false)
+	attrs := cnr.GetAttributes()
+	attrLen := len(attrs)
+
+	cnr.SetHomomorphicHashingState(true)
+
+	// enabling hashing should not add any new attributes
+	require.Equal(t, attrLen, len(cnr.GetAttributes()))
+	require.True(t, cnr.HomomorphicHashingState())
+
+	cnr.SetHomomorphicHashingState(false)
+
+	// disabling hashing should add exactly one attribute
+	require.Equal(t, attrLen+1, len(cnr.GetAttributes()))
+	require.False(t, cnr.HomomorphicHashingState())
+
+	cnr.SetHomomorphicHashingState(true)
+
+	// enabling hashing should remove 1 attribute if
+	// hashing was disabled before
+	require.Equal(t, attrLen, len(cnr.GetAttributes()))
+	require.True(t, cnr.HomomorphicHashingState())
+
+	// hashing operations should not change any other attributes
+	require.ElementsMatch(t, attrs, cnr.GetAttributes())
+}

api/container/convert.go

@@ -0,0 +1,764 @@
+package container
+
+import (
+	container "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/container/grpc"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/netmap"
+	netmapGRPC "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/netmap/grpc"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/refs"
+	refsGRPC "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/refs/grpc"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/rpc/grpc"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/rpc/message"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/session"
+	sessionGRPC "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/session/grpc"
+)
+
+func (a *Attribute) ToGRPCMessage() grpc.Message {
+	var m *container.Container_Attribute
+
+	if a != nil {
+		m = new(container.Container_Attribute)
+
+		m.SetKey(a.key)
+		m.SetValue(a.val)
+	}
+
+	return m
+}
+
+func (a *Attribute) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*container.Container_Attribute)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	a.key = v.GetKey()
+	a.val = v.GetValue()
+
+	return nil
+}
+
+func AttributesToGRPC(xs []Attribute) (res []container.Container_Attribute) {
+	if xs != nil {
+		res = make([]container.Container_Attribute, 0, len(xs))
+
+		for i := range xs {
+			res = append(res, *xs[i].ToGRPCMessage().(*container.Container_Attribute))
+		}
+	}
+
+	return
+}
+
+func AttributesFromGRPC(xs []container.Container_Attribute) (res []Attribute, err error) {
+	if xs != nil {
+		res = make([]Attribute, len(xs))
+
+		for i := range xs {
+			err = res[i].FromGRPCMessage(&xs[i])
+			if err != nil {
+				return
+			}
+		}
+	}
+
+	return
+}
+
+func (c *Container) ToGRPCMessage() grpc.Message {
+	var m *container.Container
+
+	if c != nil {
+		m = new(container.Container)
+
+		m.SetVersion(c.version.ToGRPCMessage().(*refsGRPC.Version))
+		m.SetOwnerId(c.ownerID.ToGRPCMessage().(*refsGRPC.OwnerID))
+		m.SetPlacementPolicy(c.policy.ToGRPCMessage().(*netmapGRPC.PlacementPolicy))
+		m.SetAttributes(AttributesToGRPC(c.attr))
+		m.SetBasicAcl(c.basicACL)
+		m.SetNonce(c.nonce)
+	}
+
+	return m
+}
+
+func (c *Container) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*container.Container)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	version := v.GetVersion()
+	if version == nil {
+		c.version = nil
+	} else {
+		if c.version == nil {
+			c.version = new(refs.Version)
+		}
+
+		err = c.version.FromGRPCMessage(version)
+		if err != nil {
+			return err
+		}
+	}
+
+	ownerID := v.GetOwnerId()
+	if ownerID == nil {
+		c.ownerID = nil
+	} else {
+		if c.ownerID == nil {
+			c.ownerID = new(refs.OwnerID)
+		}
+
+		err = c.ownerID.FromGRPCMessage(ownerID)
+		if err != nil {
+			return err
+		}
+	}
+
+	policy := v.GetPlacementPolicy()
+	if policy == nil {
+		c.policy = nil
+	} else {
+		if c.policy == nil {
+			c.policy = new(netmap.PlacementPolicy)
+		}
+
+		err = c.policy.FromGRPCMessage(policy)
+		if err != nil {
+			return err
+		}
+	}
+
+	c.attr, err = AttributesFromGRPC(v.GetAttributes())
+	if err != nil {
+		return err
+	}
+
+	c.basicACL = v.GetBasicAcl()
+	c.nonce = v.GetNonce()
+
+	return nil
+}
+
+func toSignatureRFC6979(s *refs.Signature) *refsGRPC.SignatureRFC6979 {
+	var res *refsGRPC.SignatureRFC6979
+
+	if s != nil {
+		res = new(refsGRPC.SignatureRFC6979)
+		res.SetKey(s.GetKey())
+		res.SetSign(s.GetSign())
+	}
+
+	return res
+}
+
+func (r *PutRequestBody) ToGRPCMessage() grpc.Message {
+	var m *container.PutRequest_Body
+
+	if r != nil {
+		m = new(container.PutRequest_Body)
+
+		m.SetContainer(r.cnr.ToGRPCMessage().(*container.Container))
+		m.SetSignature(toSignatureRFC6979(r.sig))
+	}
+
+	return m
+}
+
+func (r *PutRequestBody) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*container.PutRequest_Body)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	cnr := v.GetContainer()
+	if cnr == nil {
+		r.cnr = nil
+	} else {
+		if r.cnr == nil {
+			r.cnr = new(Container)
+		}
+
+		err = r.cnr.FromGRPCMessage(cnr)
+		if err != nil {
+			return err
+		}
+	}
+
+	sig := v.GetSignature()
+	if sig == nil {
+		r.sig = nil
+	} else {
+		if r.sig == nil {
+			r.sig = new(refs.Signature)
+		}
+
+		r.sig.SetKey(sig.GetKey())
+		r.sig.SetSign(sig.GetSign())
+	}
+
+	return err
+}
+
+func (r *PutRequest) ToGRPCMessage() grpc.Message {
+	var m *container.PutRequest
+
+	if r != nil {
+		m = new(container.PutRequest)
+
+		m.SetBody(r.body.ToGRPCMessage().(*container.PutRequest_Body))
+		r.RequestHeaders.ToMessage(m)
+	}
+
+	return m
+}
+
+func (r *PutRequest) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*container.PutRequest)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	body := v.GetBody()
+	if body == nil {
+		r.body = nil
+	} else {
+		if r.body == nil {
+			r.body = new(PutRequestBody)
+		}
+
+		err = r.body.FromGRPCMessage(body)
+		if err != nil {
+			return err
+		}
+	}
+
+	return r.RequestHeaders.FromMessage(v)
+}
+
+func (r *PutResponseBody) ToGRPCMessage() grpc.Message {
+	var m *container.PutResponse_Body
+
+	if r != nil {
+		m = new(container.PutResponse_Body)
+
+		m.SetContainerId(r.cid.ToGRPCMessage().(*refsGRPC.ContainerID))
+	}
+
+	return m
+}
+
+func (r *PutResponseBody) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*container.PutResponse_Body)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	cid := v.GetContainerId()
+	if cid == nil {
+		r.cid = nil
+	} else {
+		if r.cid == nil {
+			r.cid = new(refs.ContainerID)
+		}
+
+		err = r.cid.FromGRPCMessage(cid)
+	}
+
+	return err
+}
+
+func (r *PutResponse) ToGRPCMessage() grpc.Message {
+	var m *container.PutResponse
+
+	if r != nil {
+		m = new(container.PutResponse)
+
+		m.SetBody(r.body.ToGRPCMessage().(*container.PutResponse_Body))
+		r.ResponseHeaders.ToMessage(m)
+	}
+
+	return m
+}
+
+func (r *PutResponse) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*container.PutResponse)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	body := v.GetBody()
+	if body == nil {
+		r.body = nil
+	} else {
+		if r.body == nil {
+			r.body = new(PutResponseBody)
+		}
+
+		err = r.body.FromGRPCMessage(body)
+		if err != nil {
+			return err
+		}
+	}
+
+	return r.ResponseHeaders.FromMessage(v)
+}
+
+func (r *GetRequestBody) ToGRPCMessage() grpc.Message {
+	var m *container.GetRequest_Body
+
+	if r != nil {
+		m = new(container.GetRequest_Body)
+
+		m.SetContainerId(r.cid.ToGRPCMessage().(*refsGRPC.ContainerID))
+	}
+
+	return m
+}
+
+func (r *GetRequestBody) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*container.GetRequest_Body)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	cid := v.GetContainerId()
+	if cid == nil {
+		r.cid = nil
+	} else {
+		if r.cid == nil {
+			r.cid = new(refs.ContainerID)
+		}
+
+		err = r.cid.FromGRPCMessage(cid)
+	}
+
+	return err
+}
+
+func (r *GetRequest) ToGRPCMessage() grpc.Message {
+	var m *container.GetRequest
+
+	if r != nil {
+		m = new(container.GetRequest)
+
+		m.SetBody(r.body.ToGRPCMessage().(*container.GetRequest_Body))
+		r.RequestHeaders.ToMessage(m)
+	}
+
+	return m
+}
+
+func (r *GetRequest) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*container.GetRequest)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	body := v.GetBody()
+	if body == nil {
+		r.body = nil
+	} else {
+		if r.body == nil {
+			r.body = new(GetRequestBody)
+		}
+
+		err = r.body.FromGRPCMessage(body)
+		if err != nil {
+			return err
+		}
+	}
+
+	return r.RequestHeaders.FromMessage(v)
+}
+
+func (r *GetResponseBody) ToGRPCMessage() grpc.Message {
+	var m *container.GetResponse_Body
+
+	if r != nil {
+		m = new(container.GetResponse_Body)
+
+		m.SetContainer(r.cnr.ToGRPCMessage().(*container.Container))
+		m.SetSessionToken(r.token.ToGRPCMessage().(*sessionGRPC.SessionToken))
+		m.SetSignature(toSignatureRFC6979(r.sig))
+	}
+
+	return m
+}
+
+func (r *GetResponseBody) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*container.GetResponse_Body)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	cnr := v.GetContainer()
+	if cnr == nil {
+		r.cnr = nil
+	} else {
+		if r.cnr == nil {
+			r.cnr = new(Container)
+		}
+
+		err = r.cnr.FromGRPCMessage(cnr)
+	}
+
+	sig := v.GetSignature()
+	if sig == nil {
+		r.sig = nil
+	} else {
+		if r.sig == nil {
+			r.sig = new(refs.Signature)
+		}
+
+		r.sig.SetKey(sig.GetKey())
+		r.sig.SetSign(sig.GetSign())
+	}
+
+	token := v.GetSessionToken()
+	if token == nil {
+		r.token = nil
+	} else {
+		if r.token == nil {
+			r.token = new(session.Token)
+		}
+
+		err = r.token.FromGRPCMessage(token)
+	}
+
+	return err
+}
+
+func (r *GetResponse) ToGRPCMessage() grpc.Message {
+	var m *container.GetResponse
+
+	if r != nil {
+		m = new(container.GetResponse)
+
+		m.SetBody(r.body.ToGRPCMessage().(*container.GetResponse_Body))
+		r.ResponseHeaders.ToMessage(m)
+	}
+
+	return m
+}
+
+func (r *GetResponse) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*container.GetResponse)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	body := v.GetBody()
+	if body == nil {
+		r.body = nil
+	} else {
+		if r.body == nil {
+			r.body = new(GetResponseBody)
+		}
+
+		err = r.body.FromGRPCMessage(body)
+		if err != nil {
+			return err
+		}
+	}
+
+	return r.ResponseHeaders.FromMessage(v)
+}
+
+func (r *DeleteRequestBody) ToGRPCMessage() grpc.Message {
+	var m *container.DeleteRequest_Body
+
+	if r != nil {
+		m = new(container.DeleteRequest_Body)
+
+		m.SetContainerId(r.cid.ToGRPCMessage().(*refsGRPC.ContainerID))
+		m.SetSignature(toSignatureRFC6979(r.sig))
+	}
+
+	return m
+}
+
+func (r *DeleteRequestBody) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*container.DeleteRequest_Body)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	cid := v.GetContainerId()
+	if cid == nil {
+		r.cid = nil
+	} else {
+		if r.cid == nil {
+			r.cid = new(refs.ContainerID)
+		}
+
+		err = r.cid.FromGRPCMessage(cid)
+		if err != nil {
+			return err
+		}
+	}
+
+	sig := v.GetSignature()
+	if sig == nil {
+		r.sig = nil
+	} else {
+		if r.sig == nil {
+			r.sig = new(refs.Signature)
+		}
+
+		r.sig.SetKey(sig.GetKey())
+		r.sig.SetSign(sig.GetSign())
+	}
+
+	return err
+}
+
+func (r *DeleteRequest) ToGRPCMessage() grpc.Message {
+	var m *container.DeleteRequest
+
+	if r != nil {
+		m = new(container.DeleteRequest)
+
+		m.SetBody(r.body.ToGRPCMessage().(*container.DeleteRequest_Body))
+		r.RequestHeaders.ToMessage(m)
+	}
+
+	return m
+}
+
+func (r *DeleteRequest) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*container.DeleteRequest)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	body := v.GetBody()
+	if body == nil {
+		r.body = nil
+	} else {
+		if r.body == nil {
+			r.body = new(DeleteRequestBody)
+		}
+
+		err = r.body.FromGRPCMessage(body)
+		if err != nil {
+			return err
+		}
+	}
+
+	return r.RequestHeaders.FromMessage(v)
+}
+
+func (r *DeleteResponseBody) ToGRPCMessage() grpc.Message {
+	var m *container.DeleteResponse_Body
+
+	if r != nil {
+		m = new(container.DeleteResponse_Body)
+	}
+
+	return m
+}
+
+func (r *DeleteResponseBody) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*container.DeleteResponse_Body)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	return nil
+}
+
+func (r *DeleteResponse) ToGRPCMessage() grpc.Message {
+	var m *container.DeleteResponse
+
+	if r != nil {
+		m = new(container.DeleteResponse)
+
+		m.SetBody(r.body.ToGRPCMessage().(*container.DeleteResponse_Body))
+		r.ResponseHeaders.ToMessage(m)
+	}
+
+	return m
+}
+
+func (r *DeleteResponse) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*container.DeleteResponse)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	body := v.GetBody()
+	if body == nil {
+		r.body = nil
+	} else {
+		if r.body == nil {
+			r.body = new(DeleteResponseBody)
+		}
+
+		err = r.body.FromGRPCMessage(body)
+		if err != nil {
+			return err
+		}
+	}
+
+	return r.ResponseHeaders.FromMessage(v)
+}
+
+func (r *ListRequestBody) ToGRPCMessage() grpc.Message {
+	var m *container.ListRequest_Body
+
+	if r != nil {
+		m = new(container.ListRequest_Body)
+
+		m.SetOwnerId(r.ownerID.ToGRPCMessage().(*refsGRPC.OwnerID))
+	}
+
+	return m
+}
+
+func (r *ListRequestBody) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*container.ListRequest_Body)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	ownerID := v.GetOwnerId()
+	if ownerID == nil {
+		r.ownerID = nil
+	} else {
+		if r.ownerID == nil {
+			r.ownerID = new(refs.OwnerID)
+		}
+
+		err = r.ownerID.FromGRPCMessage(ownerID)
+	}
+
+	return err
+}
+
+func (r *ListRequest) ToGRPCMessage() grpc.Message {
+	var m *container.ListRequest
+
+	if r != nil {
+		m = new(container.ListRequest)
+
+		m.SetBody(r.body.ToGRPCMessage().(*container.ListRequest_Body))
+		r.RequestHeaders.ToMessage(m)
+	}
+
+	return m
+}
+
+func (r *ListRequest) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*container.ListRequest)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	body := v.GetBody()
+	if body == nil {
+		r.body = nil
+	} else {
+		if r.body == nil {
+			r.body = new(ListRequestBody)
+		}
+
+		err = r.body.FromGRPCMessage(body)
+		if err != nil {
+			return err
+		}
+	}
+
+	return r.RequestHeaders.FromMessage(v)
+}
+
+func (r *ListResponseBody) ToGRPCMessage() grpc.Message {
+	var m *container.ListResponse_Body
+
+	if r != nil {
+		m = new(container.ListResponse_Body)
+
+		m.SetContainerIds(refs.ContainerIDsToGRPCMessage(r.cidList))
+	}
+
+	return m
+}
+
+func (r *ListResponseBody) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*container.ListResponse_Body)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	r.cidList, err = refs.ContainerIDsFromGRPCMessage(v.GetContainerIds())
+
+	return err
+}
+
+func (r *ListResponse) ToGRPCMessage() grpc.Message {
+	var m *container.ListResponse
+
+	if r != nil {
+		m = new(container.ListResponse)
+
+		m.SetBody(r.body.ToGRPCMessage().(*container.ListResponse_Body))
+		r.ResponseHeaders.ToMessage(m)
+	}
+
+	return m
+}
+
+func (r *ListResponse) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*container.ListResponse)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	body := v.GetBody()
+	if body == nil {
+		r.body = nil
+	} else {
+		if r.body == nil {
+			r.body = new(ListResponseBody)
+		}
+
+		err = r.body.FromGRPCMessage(body)
+		if err != nil {
+			return err
+		}
+	}
+
+	return r.ResponseHeaders.FromMessage(v)
+}

api/container/grpc/service_frostfs_fuzz.go

@@ -0,0 +1,159 @@
+//go:build gofuzz
+// +build gofuzz
+
+// Code generated by protoc-gen-go-frostfs. DO NOT EDIT.
+
+package container
+
+func DoFuzzProtoPutRequest(data []byte) int {
+	msg := new(PutRequest)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONPutRequest(data []byte) int {
+	msg := new(PutRequest)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}
+func DoFuzzProtoPutResponse(data []byte) int {
+	msg := new(PutResponse)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONPutResponse(data []byte) int {
+	msg := new(PutResponse)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}
+func DoFuzzProtoDeleteRequest(data []byte) int {
+	msg := new(DeleteRequest)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONDeleteRequest(data []byte) int {
+	msg := new(DeleteRequest)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}
+func DoFuzzProtoDeleteResponse(data []byte) int {
+	msg := new(DeleteResponse)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONDeleteResponse(data []byte) int {
+	msg := new(DeleteResponse)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}
+func DoFuzzProtoGetRequest(data []byte) int {
+	msg := new(GetRequest)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONGetRequest(data []byte) int {
+	msg := new(GetRequest)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}
+func DoFuzzProtoGetResponse(data []byte) int {
+	msg := new(GetResponse)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONGetResponse(data []byte) int {
+	msg := new(GetResponse)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}
+func DoFuzzProtoListRequest(data []byte) int {
+	msg := new(ListRequest)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONListRequest(data []byte) int {
+	msg := new(ListRequest)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}
+func DoFuzzProtoListResponse(data []byte) int {
+	msg := new(ListResponse)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONListResponse(data []byte) int {
+	msg := new(ListResponse)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}

api/container/grpc/service_frostfs_test.go

@@ -0,0 +1,91 @@
+//go:build gofuzz
+// +build gofuzz
+
+// Code generated by protoc-gen-go-frostfs. DO NOT EDIT.
+
+package container
+
+import (
+	testing "testing"
+)
+
+func FuzzProtoPutRequest(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoPutRequest(data)
+	})
+}
+func FuzzJSONPutRequest(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONPutRequest(data)
+	})
+}
+func FuzzProtoPutResponse(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoPutResponse(data)
+	})
+}
+func FuzzJSONPutResponse(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONPutResponse(data)
+	})
+}
+func FuzzProtoDeleteRequest(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoDeleteRequest(data)
+	})
+}
+func FuzzJSONDeleteRequest(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONDeleteRequest(data)
+	})
+}
+func FuzzProtoDeleteResponse(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoDeleteResponse(data)
+	})
+}
+func FuzzJSONDeleteResponse(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONDeleteResponse(data)
+	})
+}
+func FuzzProtoGetRequest(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoGetRequest(data)
+	})
+}
+func FuzzJSONGetRequest(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONGetRequest(data)
+	})
+}
+func FuzzProtoGetResponse(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoGetResponse(data)
+	})
+}
+func FuzzJSONGetResponse(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONGetResponse(data)
+	})
+}
+func FuzzProtoListRequest(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoListRequest(data)
+	})
+}
+func FuzzJSONListRequest(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONListRequest(data)
+	})
+}
+func FuzzProtoListResponse(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoListResponse(data)
+	})
+}
+func FuzzJSONListResponse(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONListResponse(data)
+	})
+}

api/container/grpc/types_frostfs_fuzz.go

@@ -0,0 +1,26 @@
+//go:build gofuzz
+// +build gofuzz
+
+// Code generated by protoc-gen-go-frostfs. DO NOT EDIT.
+
+package container
+
+func DoFuzzProtoContainer(data []byte) int {
+	msg := new(Container)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONContainer(data []byte) int {
+	msg := new(Container)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}

api/container/grpc/types_frostfs_test.go

@@ -0,0 +1,21 @@
+//go:build gofuzz
+// +build gofuzz
+
+// Code generated by protoc-gen-go-frostfs. DO NOT EDIT.
+
+package container
+
+import (
+	testing "testing"
+)
+
+func FuzzProtoContainer(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoContainer(data)
+	})
+}
+func FuzzJSONContainer(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONContainer(data)
+	})
+}

api/container/json.go

@@ -0,0 +1,22 @@
+package container
+
+import (
+	container "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/container/grpc"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/rpc/message"
+)
+
+func (a *Attribute) MarshalJSON() ([]byte, error) {
+	return message.MarshalJSON(a)
+}
+
+func (a *Attribute) UnmarshalJSON(data []byte) error {
+	return message.UnmarshalJSON(a, data, new(container.Container_Attribute))
+}
+
+func (c *Container) MarshalJSON() ([]byte, error) {
+	return message.MarshalJSON(c)
+}
+
+func (c *Container) UnmarshalJSON(data []byte) error {
+	return message.UnmarshalJSON(c, data, new(container.Container))
+}

api/container/marshal.go

@@ -0,0 +1,345 @@
+package container
+
+import (
+	container "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/container/grpc"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/rpc/message"
+	protoutil "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/util/proto"
+)
+
+const (
+	attributeKeyField   = 1
+	attributeValueField = 2
+
+	containerVersionField    = 1
+	containerOwnerField      = 2
+	containerNonceField      = 3
+	containerBasicACLField   = 4
+	containerAttributesField = 5
+	containerPlacementField  = 6
+
+	putReqBodyContainerField = 1
+	putReqBodySignatureField = 2
+
+	putRespBodyIDField = 1
+
+	deleteReqBodyIDField        = 1
+	deleteReqBodySignatureField = 2
+
+	getReqBodyIDField = 1
+
+	getRespBodyContainerField = 1
+	getRespBodySignatureField = 2
+	getRespBodyTokenField     = 3
+
+	listReqBodyOwnerField = 1
+
+	listRespBodyIDsField = 1
+)
+
+func (a *Attribute) StableMarshal(buf []byte) []byte {
+	if a == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, a.StableSize())
+	}
+
+	var offset int
+
+	offset += protoutil.StringMarshal(attributeKeyField, buf[offset:], a.key)
+	protoutil.StringMarshal(attributeValueField, buf[offset:], a.val)
+
+	return buf
+}
+
+func (a *Attribute) StableSize() (size int) {
+	if a == nil {
+		return 0
+	}
+
+	size += protoutil.StringSize(attributeKeyField, a.key)
+	size += protoutil.StringSize(attributeValueField, a.val)
+
+	return size
+}
+
+func (a *Attribute) Unmarshal(data []byte) error {
+	return message.Unmarshal(a, data, new(container.Container_Attribute))
+}
+
+func (c *Container) StableMarshal(buf []byte) []byte {
+	if c == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, c.StableSize())
+	}
+
+	var offset int
+
+	offset += protoutil.NestedStructureMarshal(containerVersionField, buf[offset:], c.version)
+	offset += protoutil.NestedStructureMarshal(containerOwnerField, buf[offset:], c.ownerID)
+	offset += protoutil.BytesMarshal(containerNonceField, buf[offset:], c.nonce)
+	offset += protoutil.UInt32Marshal(containerBasicACLField, buf[offset:], c.basicACL)
+
+	for i := range c.attr {
+		offset += protoutil.NestedStructureMarshal(containerAttributesField, buf[offset:], &c.attr[i])
+	}
+
+	protoutil.NestedStructureMarshal(containerPlacementField, buf[offset:], c.policy)
+
+	return buf
+}
+
+func (c *Container) StableSize() (size int) {
+	if c == nil {
+		return 0
+	}
+
+	size += protoutil.NestedStructureSize(containerVersionField, c.version)
+	size += protoutil.NestedStructureSize(containerOwnerField, c.ownerID)
+	size += protoutil.BytesSize(containerNonceField, c.nonce)
+	size += protoutil.UInt32Size(containerBasicACLField, c.basicACL)
+
+	for i := range c.attr {
+		size += protoutil.NestedStructureSize(containerAttributesField, &c.attr[i])
+	}
+
+	size += protoutil.NestedStructureSize(containerPlacementField, c.policy)
+
+	return size
+}
+
+func (c *Container) Unmarshal(data []byte) error {
+	return message.Unmarshal(c, data, new(container.Container))
+}
+
+func (r *PutRequestBody) StableMarshal(buf []byte) []byte {
+	if r == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, r.StableSize())
+	}
+
+	var offset int
+
+	offset += protoutil.NestedStructureMarshal(putReqBodyContainerField, buf[offset:], r.cnr)
+	protoutil.NestedStructureMarshal(putReqBodySignatureField, buf[offset:], r.sig)
+
+	return buf
+}
+
+func (r *PutRequestBody) StableSize() (size int) {
+	if r == nil {
+		return 0
+	}
+
+	size += protoutil.NestedStructureSize(putReqBodyContainerField, r.cnr)
+	size += protoutil.NestedStructureSize(putReqBodySignatureField, r.sig)
+
+	return size
+}
+
+func (r *PutRequestBody) Unmarshal(data []byte) error {
+	return message.Unmarshal(r, data, new(container.PutRequest_Body))
+}
+
+func (r *PutResponseBody) StableMarshal(buf []byte) []byte {
+	if r == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, r.StableSize())
+	}
+
+	protoutil.NestedStructureMarshal(putRespBodyIDField, buf, r.cid)
+
+	return buf
+}
+
+func (r *PutResponseBody) StableSize() (size int) {
+	if r == nil {
+		return 0
+	}
+
+	size += protoutil.NestedStructureSize(putRespBodyIDField, r.cid)
+
+	return size
+}
+
+func (r *PutResponseBody) Unmarshal(data []byte) error {
+	return message.Unmarshal(r, data, new(container.PutResponse_Body))
+}
+
+func (r *DeleteRequestBody) StableMarshal(buf []byte) []byte {
+	if r == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, r.StableSize())
+	}
+
+	var offset int
+
+	offset += protoutil.NestedStructureMarshal(deleteReqBodyIDField, buf[offset:], r.cid)
+	protoutil.NestedStructureMarshal(deleteReqBodySignatureField, buf[offset:], r.sig)
+
+	return buf
+}
+
+func (r *DeleteRequestBody) StableSize() (size int) {
+	if r == nil {
+		return 0
+	}
+
+	size += protoutil.NestedStructureSize(deleteReqBodyIDField, r.cid)
+	size += protoutil.NestedStructureSize(deleteReqBodySignatureField, r.sig)
+
+	return size
+}
+
+func (r *DeleteRequestBody) Unmarshal(data []byte) error {
+	return message.Unmarshal(r, data, new(container.DeleteRequest_Body))
+}
+
+func (r *DeleteResponseBody) StableMarshal(_ []byte) []byte {
+	return nil
+}
+
+func (r *DeleteResponseBody) StableSize() (size int) {
+	return 0
+}
+
+func (r *DeleteResponseBody) Unmarshal([]byte) error {
+	return nil
+}
+
+func (r *GetRequestBody) StableMarshal(buf []byte) []byte {
+	if r == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, r.StableSize())
+	}
+
+	protoutil.NestedStructureMarshal(getReqBodyIDField, buf, r.cid)
+
+	return buf
+}
+
+func (r *GetRequestBody) StableSize() (size int) {
+	if r == nil {
+		return 0
+	}
+
+	size += protoutil.NestedStructureSize(getReqBodyIDField, r.cid)
+
+	return size
+}
+
+func (r *GetRequestBody) Unmarshal(data []byte) error {
+	return message.Unmarshal(r, data, new(container.GetRequest_Body))
+}
+
+func (r *GetResponseBody) StableMarshal(buf []byte) []byte {
+	if r == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, r.StableSize())
+	}
+
+	var offset int
+
+	offset += protoutil.NestedStructureMarshal(getRespBodyContainerField, buf, r.cnr)
+	offset += protoutil.NestedStructureMarshal(getRespBodySignatureField, buf[offset:], r.sig)
+	protoutil.NestedStructureMarshal(getRespBodyTokenField, buf[offset:], r.token)
+
+	return buf
+}
+
+func (r *GetResponseBody) StableSize() (size int) {
+	if r == nil {
+		return 0
+	}
+
+	size += protoutil.NestedStructureSize(getRespBodyContainerField, r.cnr)
+	size += protoutil.NestedStructureSize(getRespBodySignatureField, r.sig)
+	size += protoutil.NestedStructureSize(getRespBodyTokenField, r.token)
+
+	return size
+}
+
+func (r *GetResponseBody) Unmarshal(data []byte) error {
+	return message.Unmarshal(r, data, new(container.GetResponse_Body))
+}
+
+func (r *ListRequestBody) StableMarshal(buf []byte) []byte {
+	if r == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, r.StableSize())
+	}
+
+	protoutil.NestedStructureMarshal(listReqBodyOwnerField, buf, r.ownerID)
+
+	return buf
+}
+
+func (r *ListRequestBody) StableSize() (size int) {
+	if r == nil {
+		return 0
+	}
+
+	size += protoutil.NestedStructureSize(listReqBodyOwnerField, r.ownerID)
+
+	return size
+}
+
+func (r *ListRequestBody) Unmarshal(data []byte) error {
+	return message.Unmarshal(r, data, new(container.ListRequest_Body))
+}
+
+func (r *ListResponseBody) StableMarshal(buf []byte) []byte {
+	if r == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, r.StableSize())
+	}
+
+	var offset int
+
+	for i := range r.cidList {
+		offset += protoutil.NestedStructureMarshal(listRespBodyIDsField, buf[offset:], &r.cidList[i])
+	}
+
+	return buf
+}
+
+func (r *ListResponseBody) StableSize() (size int) {
+	if r == nil {
+		return 0
+	}
+
+	for i := range r.cidList {
+		size += protoutil.NestedStructureSize(listRespBodyIDsField, &r.cidList[i])
+	}
+
+	return size
+}
+
+func (r *ListResponseBody) Unmarshal(data []byte) error {
+	return message.Unmarshal(r, data, new(container.ListResponse_Body))
+}

api/container/message_test.go

@@ -0,0 +1,36 @@
+package container_test
+
+import (
+	"testing"
+
+	containertest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/container/test"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/rpc/message"
+	messagetest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/rpc/message/test"
+)
+
+func TestMessageConvert(t *testing.T) {
+	messagetest.TestRPCMessage(t,
+		func(empty bool) message.Message { return containertest.GenerateAttribute(empty) },
+		func(empty bool) message.Message { return containertest.GenerateContainer(empty) },
+		func(empty bool) message.Message { return containertest.GeneratePutRequestBody(empty) },
+		func(empty bool) message.Message { return containertest.GeneratePutRequest(empty) },
+		func(empty bool) message.Message { return containertest.GeneratePutResponseBody(empty) },
+		func(empty bool) message.Message { return containertest.GeneratePutResponse(empty) },
+		func(empty bool) message.Message { return containertest.GenerateGetRequestBody(empty) },
+		func(empty bool) message.Message { return containertest.GenerateGetRequest(empty) },
+		func(empty bool) message.Message { return containertest.GenerateGetResponseBody(empty) },
+		func(empty bool) message.Message { return containertest.GenerateGetResponse(empty) },
+		func(empty bool) message.Message { return containertest.GenerateDeleteRequestBody(empty) },
+		func(empty bool) message.Message { return containertest.GenerateDeleteRequest(empty) },
+		func(empty bool) message.Message { return containertest.GenerateDeleteResponseBody(empty) },
+		func(empty bool) message.Message { return containertest.GenerateDeleteResponse(empty) },
+		func(empty bool) message.Message { return containertest.GenerateListRequestBody(empty) },
+		func(empty bool) message.Message { return containertest.GenerateListRequest(empty) },
+		func(empty bool) message.Message { return containertest.GenerateListResponseBody(empty) },
+		func(empty bool) message.Message { return containertest.GenerateListResponse(empty) },
+		func(empty bool) message.Message { return containertest.GenerateGetRequestBody(empty) },
+		func(empty bool) message.Message { return containertest.GenerateGetRequest(empty) },
+		func(empty bool) message.Message { return containertest.GenerateGetResponseBody(empty) },
+		func(empty bool) message.Message { return containertest.GenerateGetResponse(empty) },
+	)
+}

api/container/status.go

@@ -0,0 +1,33 @@
+package container
+
+import (
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/status"
+	statusgrpc "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/status/grpc"
+)
+
+// LocalizeFailStatus checks if passed global status.Code is related to container failure and:
+//
+//	then localizes the code and returns true,
+//	else leaves the code unchanged and returns false.
+//
+// Arg must not be nil.
+func LocalizeFailStatus(c *status.Code) bool {
+	return status.LocalizeIfInSection(c, uint32(statusgrpc.Section_SECTION_CONTAINER))
+}
+
+// GlobalizeFail globalizes local code of container failure.
+//
+// Arg must not be nil.
+func GlobalizeFail(c *status.Code) {
+	c.GlobalizeSection(uint32(statusgrpc.Section_SECTION_CONTAINER))
+}
+
+const (
+	// StatusNotFound is a local status.Code value for
+	// CONTAINER_NOT_FOUND container failure.
+	StatusNotFound status.Code = iota
+
+	// StatusEACLNotFound is a local status.Code value for
+	// EACL_NOT_FOUND failure.
+	StatusEACLNotFound
+)

api/container/status_test.go

@@ -0,0 +1,15 @@
+package container_test
+
+import (
+	"testing"
+
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/container"
+	statustest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/status/test"
+)
+
+func TestStatusCodes(t *testing.T) {
+	statustest.TestCodes(t, container.LocalizeFailStatus, container.GlobalizeFail,
+		container.StatusNotFound, 3072,
+		container.StatusEACLNotFound, 3073,
+	)
+}

api/container/test/generate.go

@@ -0,0 +1,240 @@
+package containertest
+
+import (
+	"crypto/rand"
+
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/container"
+	netmaptest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/netmap/test"
+	refstest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/refs/test"
+	sessiontest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/session/test"
+)
+
+func GenerateAttribute(empty bool) *container.Attribute {
+	m := new(container.Attribute)
+
+	if !empty {
+		m.SetKey("key")
+		m.SetValue("val")
+	}
+
+	return m
+}
+
+func GenerateAttributes(empty bool) []container.Attribute {
+	var res []container.Attribute
+
+	if !empty {
+		res = append(res,
+			*GenerateAttribute(false),
+			*GenerateAttribute(false),
+		)
+	}
+
+	return res
+}
+
+func GenerateContainer(empty bool) *container.Container {
+	m := new(container.Container)
+
+	if !empty {
+		nonce := make([]byte, 16)
+		_, _ = rand.Read(nonce)
+
+		m.SetBasicACL(12)
+		m.SetNonce(nonce)
+		m.SetOwnerID(refstest.GenerateOwnerID(false))
+		m.SetAttributes(GenerateAttributes(false))
+		m.SetPlacementPolicy(netmaptest.GeneratePlacementPolicy(false))
+	}
+
+	m.SetVersion(refstest.GenerateVersion(empty))
+
+	return m
+}
+
+func GeneratePutRequestBody(empty bool) *container.PutRequestBody {
+	m := new(container.PutRequestBody)
+
+	if !empty {
+		m.SetContainer(GenerateContainer(false))
+	}
+
+	m.SetSignature(refstest.GenerateSignature(empty))
+
+	return m
+}
+
+func GeneratePutRequest(empty bool) *container.PutRequest {
+	m := new(container.PutRequest)
+
+	if !empty {
+		m.SetBody(GeneratePutRequestBody(false))
+	}
+
+	m.SetMetaHeader(sessiontest.GenerateRequestMetaHeader(empty))
+	m.SetVerificationHeader(sessiontest.GenerateRequestVerificationHeader(empty))
+
+	return m
+}
+
+func GeneratePutResponseBody(empty bool) *container.PutResponseBody {
+	m := new(container.PutResponseBody)
+
+	if !empty {
+		m.SetContainerID(refstest.GenerateContainerID(false))
+	}
+
+	return m
+}
+
+func GeneratePutResponse(empty bool) *container.PutResponse {
+	m := new(container.PutResponse)
+
+	if !empty {
+		m.SetBody(GeneratePutResponseBody(false))
+	}
+
+	m.SetMetaHeader(sessiontest.GenerateResponseMetaHeader(empty))
+	m.SetVerificationHeader(sessiontest.GenerateResponseVerificationHeader(empty))
+
+	return m
+}
+
+func GenerateGetRequestBody(empty bool) *container.GetRequestBody {
+	m := new(container.GetRequestBody)
+
+	if !empty {
+		m.SetContainerID(refstest.GenerateContainerID(false))
+	}
+
+	return m
+}
+
+func GenerateGetRequest(empty bool) *container.GetRequest {
+	m := new(container.GetRequest)
+
+	if !empty {
+		m.SetBody(GenerateGetRequestBody(false))
+	}
+
+	m.SetMetaHeader(sessiontest.GenerateRequestMetaHeader(empty))
+	m.SetVerificationHeader(sessiontest.GenerateRequestVerificationHeader(empty))
+
+	return m
+}
+
+func GenerateGetResponseBody(empty bool) *container.GetResponseBody {
+	m := new(container.GetResponseBody)
+
+	if !empty {
+		m.SetContainer(GenerateContainer(false))
+	}
+
+	m.SetSignature(refstest.GenerateSignature(empty))
+	m.SetSessionToken(sessiontest.GenerateSessionToken(empty))
+
+	return m
+}
+
+func GenerateGetResponse(empty bool) *container.GetResponse {
+	m := new(container.GetResponse)
+
+	if !empty {
+		m.SetBody(GenerateGetResponseBody(false))
+	}
+
+	m.SetMetaHeader(sessiontest.GenerateResponseMetaHeader(empty))
+	m.SetVerificationHeader(sessiontest.GenerateResponseVerificationHeader(empty))
+
+	return m
+}
+
+func GenerateDeleteRequestBody(empty bool) *container.DeleteRequestBody {
+	m := new(container.DeleteRequestBody)
+
+	if !empty {
+		m.SetContainerID(refstest.GenerateContainerID(false))
+	}
+
+	m.SetSignature(refstest.GenerateSignature(empty))
+
+	return m
+}
+
+func GenerateDeleteRequest(empty bool) *container.DeleteRequest {
+	m := new(container.DeleteRequest)
+
+	if !empty {
+		m.SetBody(GenerateDeleteRequestBody(false))
+	}
+
+	m.SetMetaHeader(sessiontest.GenerateRequestMetaHeader(empty))
+	m.SetVerificationHeader(sessiontest.GenerateRequestVerificationHeader(empty))
+
+	return m
+}
+
+func GenerateDeleteResponseBody(_ bool) *container.DeleteResponseBody {
+	m := new(container.DeleteResponseBody)
+
+	return m
+}
+
+func GenerateDeleteResponse(empty bool) *container.DeleteResponse {
+	m := new(container.DeleteResponse)
+
+	if !empty {
+		m.SetBody(GenerateDeleteResponseBody(false))
+	}
+
+	m.SetMetaHeader(sessiontest.GenerateResponseMetaHeader(empty))
+	m.SetVerificationHeader(sessiontest.GenerateResponseVerificationHeader(empty))
+
+	return m
+}
+
+func GenerateListRequestBody(empty bool) *container.ListRequestBody {
+	m := new(container.ListRequestBody)
+
+	if !empty {
+		m.SetOwnerID(refstest.GenerateOwnerID(false))
+	}
+
+	return m
+}
+
+func GenerateListRequest(empty bool) *container.ListRequest {
+	m := new(container.ListRequest)
+
+	if !empty {
+		m.SetBody(GenerateListRequestBody(false))
+	}
+
+	m.SetMetaHeader(sessiontest.GenerateRequestMetaHeader(empty))
+	m.SetVerificationHeader(sessiontest.GenerateRequestVerificationHeader(empty))
+
+	return m
+}
+
+func GenerateListResponseBody(empty bool) *container.ListResponseBody {
+	m := new(container.ListResponseBody)
+
+	if !empty {
+		m.SetContainerIDs(refstest.GenerateContainerIDs(false))
+	}
+
+	return m
+}
+
+func GenerateListResponse(empty bool) *container.ListResponse {
+	m := new(container.ListResponse)
+
+	if !empty {
+		m.SetBody(GenerateListResponseBody(false))
+	}
+
+	m.SetMetaHeader(sessiontest.GenerateResponseMetaHeader(empty))
+	m.SetVerificationHeader(sessiontest.GenerateResponseVerificationHeader(empty))
+
+	return m
+}

api/container/types.go

@@ -0,0 +1,446 @@
+package container
+
+import (
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/netmap"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/refs"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/session"
+)
+
+type Attribute struct {
+	key, val string
+}
+
+type Container struct {
+	version *refs.Version
+
+	ownerID *refs.OwnerID
+
+	nonce []byte
+
+	basicACL uint32
+
+	attr []Attribute
+
+	policy *netmap.PlacementPolicy
+}
+
+type PutRequestBody struct {
+	cnr *Container
+
+	sig *refs.Signature
+}
+type PutRequest struct {
+	body *PutRequestBody
+
+	session.RequestHeaders
+}
+
+type PutResponseBody struct {
+	cid *refs.ContainerID
+}
+
+type PutResponse struct {
+	body *PutResponseBody
+
+	session.ResponseHeaders
+}
+
+type GetRequestBody struct {
+	cid *refs.ContainerID
+}
+
+type GetRequest struct {
+	body *GetRequestBody
+
+	session.RequestHeaders
+}
+
+type GetResponseBody struct {
+	cnr *Container
+
+	token *session.Token
+
+	sig *refs.Signature
+}
+
+type GetResponse struct {
+	body *GetResponseBody
+
+	session.ResponseHeaders
+}
+
+type DeleteRequestBody struct {
+	cid *refs.ContainerID
+
+	sig *refs.Signature
+}
+
+type DeleteRequest struct {
+	body *DeleteRequestBody
+
+	session.RequestHeaders
+}
+
+type DeleteResponseBody struct{}
+
+type DeleteResponse struct {
+	body *DeleteResponseBody
+
+	session.ResponseHeaders
+}
+
+type ListRequestBody struct {
+	ownerID *refs.OwnerID
+}
+
+type ListRequest struct {
+	body *ListRequestBody
+
+	session.RequestHeaders
+}
+
+type ListResponseBody struct {
+	cidList []refs.ContainerID
+}
+
+type ListResponse struct {
+	body *ListResponseBody
+
+	session.ResponseHeaders
+}
+
+func (a *Attribute) GetKey() string {
+	if a != nil {
+		return a.key
+	}
+
+	return ""
+}
+
+func (a *Attribute) SetKey(v string) {
+	a.key = v
+}
+
+func (a *Attribute) GetValue() string {
+	if a != nil {
+		return a.val
+	}
+
+	return ""
+}
+
+func (a *Attribute) SetValue(v string) {
+	a.val = v
+}
+
+func (c *Container) GetVersion() *refs.Version {
+	if c != nil {
+		return c.version
+	}
+
+	return nil
+}
+
+func (c *Container) SetVersion(v *refs.Version) {
+	c.version = v
+}
+
+func (c *Container) GetOwnerID() *refs.OwnerID {
+	if c != nil {
+		return c.ownerID
+	}
+
+	return nil
+}
+
+func (c *Container) SetOwnerID(v *refs.OwnerID) {
+	c.ownerID = v
+}
+
+func (c *Container) GetNonce() []byte {
+	if c != nil {
+		return c.nonce
+	}
+
+	return nil
+}
+
+func (c *Container) SetNonce(v []byte) {
+	c.nonce = v
+}
+
+func (c *Container) GetBasicACL() uint32 {
+	if c != nil {
+		return c.basicACL
+	}
+
+	return 0
+}
+
+func (c *Container) SetBasicACL(v uint32) {
+	c.basicACL = v
+}
+
+func (c *Container) GetAttributes() []Attribute {
+	if c != nil {
+		return c.attr
+	}
+
+	return nil
+}
+
+func (c *Container) SetAttributes(v []Attribute) {
+	c.attr = v
+}
+
+func (c *Container) GetPlacementPolicy() *netmap.PlacementPolicy {
+	if c != nil {
+		return c.policy
+	}
+
+	return nil
+}
+
+func (c *Container) SetPlacementPolicy(v *netmap.PlacementPolicy) {
+	c.policy = v
+}
+
+func (r *PutRequestBody) GetContainer() *Container {
+	if r != nil {
+		return r.cnr
+	}
+
+	return nil
+}
+
+func (r *PutRequestBody) SetContainer(v *Container) {
+	r.cnr = v
+}
+
+func (r *PutRequestBody) GetSignature() *refs.Signature {
+	if r != nil {
+		return r.sig
+	}
+
+	return nil
+}
+
+func (r *PutRequestBody) SetSignature(v *refs.Signature) {
+	// TODO: (neofs-api-go#381) avoid this hack (e.g. create refs.SignatureRFC6979 type)
+	v.SetScheme(0)
+	r.sig = v
+}
+
+func (r *PutRequest) GetBody() *PutRequestBody {
+	if r != nil {
+		return r.body
+	}
+
+	return nil
+}
+
+func (r *PutRequest) SetBody(v *PutRequestBody) {
+	r.body = v
+}
+
+func (r *PutResponseBody) GetContainerID() *refs.ContainerID {
+	if r != nil {
+		return r.cid
+	}
+
+	return nil
+}
+
+func (r *PutResponseBody) SetContainerID(v *refs.ContainerID) {
+	r.cid = v
+}
+
+func (r *PutResponse) GetBody() *PutResponseBody {
+	if r != nil {
+		return r.body
+	}
+
+	return nil
+}
+
+func (r *PutResponse) SetBody(v *PutResponseBody) {
+	r.body = v
+}
+
+func (r *GetRequestBody) GetContainerID() *refs.ContainerID {
+	if r != nil {
+		return r.cid
+	}
+
+	return nil
+}
+
+func (r *GetRequestBody) SetContainerID(v *refs.ContainerID) {
+	r.cid = v
+}
+
+func (r *GetRequest) GetBody() *GetRequestBody {
+	if r != nil {
+		return r.body
+	}
+
+	return nil
+}
+
+func (r *GetRequest) SetBody(v *GetRequestBody) {
+	r.body = v
+}
+
+func (r *GetResponseBody) GetContainer() *Container {
+	if r != nil {
+		return r.cnr
+	}
+
+	return nil
+}
+
+func (r *GetResponseBody) SetContainer(v *Container) {
+	r.cnr = v
+}
+
+// GetSessionToken returns token of the session within which requested
+// container was created.
+func (r *GetResponseBody) GetSessionToken() *session.Token {
+	if r != nil {
+		return r.token
+	}
+
+	return nil
+}
+
+// SetSessionToken sets token of the session within which requested
+// container was created.
+func (r *GetResponseBody) SetSessionToken(v *session.Token) {
+	r.token = v
+}
+
+// GetSignature returns signature of the requested container.
+func (r *GetResponseBody) GetSignature() *refs.Signature {
+	if r != nil {
+		return r.sig
+	}
+
+	return nil
+}
+
+// SetSignature sets signature of the requested container.
+func (r *GetResponseBody) SetSignature(v *refs.Signature) {
+	// TODO: (neofs-api-go#381) avoid this hack (e.g. create refs.SignatureRFC6979 type)
+	v.SetScheme(0)
+	r.sig = v
+}
+
+func (r *GetResponse) GetBody() *GetResponseBody {
+	if r != nil {
+		return r.body
+	}
+
+	return nil
+}
+
+func (r *GetResponse) SetBody(v *GetResponseBody) {
+	r.body = v
+}
+
+func (r *DeleteRequestBody) GetContainerID() *refs.ContainerID {
+	if r != nil {
+		return r.cid
+	}
+
+	return nil
+}
+
+func (r *DeleteRequestBody) SetContainerID(v *refs.ContainerID) {
+	r.cid = v
+}
+
+func (r *DeleteRequestBody) GetSignature() *refs.Signature {
+	if r != nil {
+		return r.sig
+	}
+
+	return nil
+}
+
+func (r *DeleteRequestBody) SetSignature(v *refs.Signature) {
+	// TODO: (neofs-api-go#381) avoid this hack (e.g. create refs.SignatureRFC6979 type)
+	v.SetScheme(0)
+	r.sig = v
+}
+
+func (r *DeleteRequest) GetBody() *DeleteRequestBody {
+	if r != nil {
+		return r.body
+	}
+
+	return nil
+}
+
+func (r *DeleteRequest) SetBody(v *DeleteRequestBody) {
+	r.body = v
+}
+
+func (r *DeleteResponse) GetBody() *DeleteResponseBody {
+	if r != nil {
+		return r.body
+	}
+
+	return nil
+}
+
+func (r *DeleteResponse) SetBody(v *DeleteResponseBody) {
+	r.body = v
+}
+
+func (r *ListRequestBody) GetOwnerID() *refs.OwnerID {
+	if r != nil {
+		return r.ownerID
+	}
+
+	return nil
+}
+
+func (r *ListRequestBody) SetOwnerID(v *refs.OwnerID) {
+	r.ownerID = v
+}
+
+func (r *ListRequest) GetBody() *ListRequestBody {
+	if r != nil {
+		return r.body
+	}
+
+	return nil
+}
+
+func (r *ListRequest) SetBody(v *ListRequestBody) {
+	r.body = v
+}
+
+func (r *ListResponseBody) GetContainerIDs() []refs.ContainerID {
+	if r != nil {
+		return r.cidList
+	}
+
+	return nil
+}
+
+func (r *ListResponseBody) SetContainerIDs(v []refs.ContainerID) {
+	r.cidList = v
+}
+
+func (r *ListResponse) GetBody() *ListResponseBody {
+	if r != nil {
+		return r.body
+	}
+
+	return nil
+}
+
+func (r *ListResponse) SetBody(v *ListResponseBody) {
+	r.body = v
+}

api/lock/grpc/types_frostfs_fuzz.go

@@ -0,0 +1,26 @@
+//go:build gofuzz
+// +build gofuzz
+
+// Code generated by protoc-gen-go-frostfs. DO NOT EDIT.
+
+package lock
+
+func DoFuzzProtoLock(data []byte) int {
+	msg := new(Lock)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONLock(data []byte) int {
+	msg := new(Lock)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}

api/lock/grpc/types_frostfs_test.go

@@ -0,0 +1,21 @@
+//go:build gofuzz
+// +build gofuzz
+
+// Code generated by protoc-gen-go-frostfs. DO NOT EDIT.
+
+package lock
+
+import (
+	testing "testing"
+)
+
+func FuzzProtoLock(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoLock(data)
+	})
+}
+func FuzzJSONLock(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONLock(data)
+	})
+}

api/netmap/convert.go

@@ -0,0 +1,916 @@
+package netmap
+
+import (
+	netmap "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/netmap/grpc"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/refs"
+	refsGRPC "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/refs/grpc"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/rpc/grpc"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/rpc/message"
+)
+
+func (f *Filter) ToGRPCMessage() grpc.Message {
+	var m *netmap.Filter
+
+	if f != nil {
+		m = new(netmap.Filter)
+
+		m.SetKey(f.key)
+		m.SetValue(f.value)
+		m.SetName(f.name)
+		m.SetOp(OperationToGRPCMessage(f.op))
+		m.SetFilters(FiltersToGRPC(f.filters))
+	}
+
+	return m
+}
+
+func (f *Filter) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*netmap.Filter)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	f.filters, err = FiltersFromGRPC(v.GetFilters())
+	if err != nil {
+		return err
+	}
+
+	f.key = v.GetKey()
+	f.value = v.GetValue()
+	f.name = v.GetName()
+	f.op = OperationFromGRPCMessage(v.GetOp())
+
+	return nil
+}
+
+func FiltersToGRPC(fs []Filter) (res []netmap.Filter) {
+	if fs != nil {
+		res = make([]netmap.Filter, 0, len(fs))
+
+		for i := range fs {
+			res = append(res, *fs[i].ToGRPCMessage().(*netmap.Filter))
+		}
+	}
+
+	return
+}
+
+func FiltersFromGRPC(fs []netmap.Filter) (res []Filter, err error) {
+	if fs != nil {
+		res = make([]Filter, len(fs))
+
+		for i := range fs {
+			err = res[i].FromGRPCMessage(&fs[i])
+			if err != nil {
+				return
+			}
+		}
+	}
+
+	return
+}
+
+func (s *Selector) ToGRPCMessage() grpc.Message {
+	var m *netmap.Selector
+
+	if s != nil {
+		m = new(netmap.Selector)
+
+		m.SetName(s.name)
+		m.SetAttribute(s.attribute)
+		m.SetFilter(s.filter)
+		m.SetCount(s.count)
+		m.SetClause(ClauseToGRPCMessage(s.clause))
+	}
+
+	return m
+}
+
+func (s *Selector) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*netmap.Selector)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	s.name = v.GetName()
+	s.attribute = v.GetAttribute()
+	s.filter = v.GetFilter()
+	s.count = v.GetCount()
+	s.clause = ClauseFromGRPCMessage(v.GetClause())
+
+	return nil
+}
+
+func SelectorsToGRPC(ss []Selector) (res []netmap.Selector) {
+	if ss != nil {
+		res = make([]netmap.Selector, 0, len(ss))
+
+		for i := range ss {
+			res = append(res, *ss[i].ToGRPCMessage().(*netmap.Selector))
+		}
+	}
+
+	return
+}
+
+func SelectorsFromGRPC(ss []netmap.Selector) (res []Selector, err error) {
+	if ss != nil {
+		res = make([]Selector, len(ss))
+
+		for i := range ss {
+			err = res[i].FromGRPCMessage(&ss[i])
+			if err != nil {
+				return
+			}
+		}
+	}
+
+	return
+}
+
+func (r *Replica) ToGRPCMessage() grpc.Message {
+	var m *netmap.Replica
+
+	if r != nil {
+		m = new(netmap.Replica)
+
+		m.SetSelector(r.selector)
+		m.SetCount(r.count)
+		m.EcDataCount = r.ecDataCount
+		m.EcParityCount = r.ecParityCount
+	}
+
+	return m
+}
+
+func (r *Replica) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*netmap.Replica)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	r.selector = v.GetSelector()
+	r.count = v.GetCount()
+	r.ecDataCount = v.GetEcDataCount()
+	r.ecParityCount = v.GetEcParityCount()
+
+	return nil
+}
+
+func ReplicasToGRPC(rs []Replica) (res []netmap.Replica) {
+	if rs != nil {
+		res = make([]netmap.Replica, 0, len(rs))
+
+		for i := range rs {
+			res = append(res, *rs[i].ToGRPCMessage().(*netmap.Replica))
+		}
+	}
+
+	return
+}
+
+func ReplicasFromGRPC(rs []netmap.Replica) (res []Replica, err error) {
+	if rs != nil {
+		res = make([]Replica, len(rs))
+
+		for i := range rs {
+			err = res[i].FromGRPCMessage(&rs[i])
+			if err != nil {
+				return
+			}
+		}
+	}
+
+	return
+}
+
+func (p *PlacementPolicy) ToGRPCMessage() grpc.Message {
+	var m *netmap.PlacementPolicy
+
+	if p != nil {
+		m = new(netmap.PlacementPolicy)
+
+		m.SetFilters(FiltersToGRPC(p.filters))
+		m.SetSelectors(SelectorsToGRPC(p.selectors))
+		m.SetReplicas(ReplicasToGRPC(p.replicas))
+		m.SetContainerBackupFactor(p.backupFactor)
+		m.SetUnique(p.unique)
+	}
+
+	return m
+}
+
+func (p *PlacementPolicy) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*netmap.PlacementPolicy)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	p.filters, err = FiltersFromGRPC(v.GetFilters())
+	if err != nil {
+		return err
+	}
+
+	p.selectors, err = SelectorsFromGRPC(v.GetSelectors())
+	if err != nil {
+		return err
+	}
+
+	p.replicas, err = ReplicasFromGRPC(v.GetReplicas())
+	if err != nil {
+		return err
+	}
+
+	p.backupFactor = v.GetContainerBackupFactor()
+
+	p.unique = v.GetUnique()
+
+	return nil
+}
+
+func ClauseToGRPCMessage(n Clause) netmap.Clause {
+	return netmap.Clause(n)
+}
+
+func ClauseFromGRPCMessage(n netmap.Clause) Clause {
+	return Clause(n)
+}
+
+func OperationToGRPCMessage(n Operation) netmap.Operation {
+	return netmap.Operation(n)
+}
+
+func OperationFromGRPCMessage(n netmap.Operation) Operation {
+	return Operation(n)
+}
+
+func NodeStateToGRPCMessage(n NodeState) netmap.NodeInfo_State {
+	return netmap.NodeInfo_State(n)
+}
+
+func NodeStateFromRPCMessage(n netmap.NodeInfo_State) NodeState {
+	return NodeState(n)
+}
+
+func (a *Attribute) ToGRPCMessage() grpc.Message {
+	var m *netmap.NodeInfo_Attribute
+
+	if a != nil {
+		m = new(netmap.NodeInfo_Attribute)
+
+		m.SetKey(a.key)
+		m.SetValue(a.value)
+		m.SetParents(a.parents)
+	}
+
+	return m
+}
+
+func (a *Attribute) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*netmap.NodeInfo_Attribute)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	a.key = v.GetKey()
+	a.value = v.GetValue()
+	a.parents = v.GetParents()
+
+	return nil
+}
+
+func AttributesToGRPC(as []Attribute) (res []netmap.NodeInfo_Attribute) {
+	if as != nil {
+		res = make([]netmap.NodeInfo_Attribute, 0, len(as))
+
+		for i := range as {
+			res = append(res, *as[i].ToGRPCMessage().(*netmap.NodeInfo_Attribute))
+		}
+	}
+
+	return
+}
+
+func AttributesFromGRPC(as []netmap.NodeInfo_Attribute) (res []Attribute, err error) {
+	if as != nil {
+		res = make([]Attribute, len(as))
+
+		for i := range as {
+			err = res[i].FromGRPCMessage(&as[i])
+			if err != nil {
+				return
+			}
+		}
+	}
+
+	return
+}
+
+func (ni *NodeInfo) ToGRPCMessage() grpc.Message {
+	var m *netmap.NodeInfo
+
+	if ni != nil {
+		m = new(netmap.NodeInfo)
+
+		m.SetPublicKey(ni.publicKey)
+		m.SetAddresses(ni.addresses)
+		m.SetState(NodeStateToGRPCMessage(ni.state))
+		m.SetAttributes(AttributesToGRPC(ni.attributes))
+	}
+
+	return m
+}
+
+func (ni *NodeInfo) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*netmap.NodeInfo)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	ni.attributes, err = AttributesFromGRPC(v.GetAttributes())
+	if err != nil {
+		return err
+	}
+
+	ni.publicKey = v.GetPublicKey()
+	ni.addresses = v.GetAddresses()
+	ni.state = NodeStateFromRPCMessage(v.GetState())
+
+	return nil
+}
+
+func (l *LocalNodeInfoRequestBody) ToGRPCMessage() grpc.Message {
+	var m *netmap.LocalNodeInfoRequest_Body
+
+	if l != nil {
+		m = new(netmap.LocalNodeInfoRequest_Body)
+	}
+
+	return m
+}
+
+func (l *LocalNodeInfoRequestBody) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*netmap.LocalNodeInfoRequest_Body)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	return nil
+}
+
+func (l *LocalNodeInfoRequest) ToGRPCMessage() grpc.Message {
+	var m *netmap.LocalNodeInfoRequest
+
+	if l != nil {
+		m = new(netmap.LocalNodeInfoRequest)
+
+		m.SetBody(l.body.ToGRPCMessage().(*netmap.LocalNodeInfoRequest_Body))
+		l.RequestHeaders.ToMessage(m)
+	}
+
+	return m
+}
+
+func (l *LocalNodeInfoRequest) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*netmap.LocalNodeInfoRequest)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	body := v.GetBody()
+	if body == nil {
+		l.body = nil
+	} else {
+		if l.body == nil {
+			l.body = new(LocalNodeInfoRequestBody)
+		}
+
+		err = l.body.FromGRPCMessage(body)
+		if err != nil {
+			return err
+		}
+	}
+
+	return l.RequestHeaders.FromMessage(v)
+}
+
+func (l *LocalNodeInfoResponseBody) ToGRPCMessage() grpc.Message {
+	var m *netmap.LocalNodeInfoResponse_Body
+
+	if l != nil {
+		m = new(netmap.LocalNodeInfoResponse_Body)
+
+		m.SetVersion(l.version.ToGRPCMessage().(*refsGRPC.Version))
+		m.SetNodeInfo(l.nodeInfo.ToGRPCMessage().(*netmap.NodeInfo))
+	}
+
+	return m
+}
+
+func (l *LocalNodeInfoResponseBody) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*netmap.LocalNodeInfoResponse_Body)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	version := v.GetVersion()
+	if version == nil {
+		l.version = nil
+	} else {
+		if l.version == nil {
+			l.version = new(refs.Version)
+		}
+
+		err = l.version.FromGRPCMessage(version)
+		if err != nil {
+			return err
+		}
+	}
+
+	nodeInfo := v.GetNodeInfo()
+	if nodeInfo == nil {
+		l.nodeInfo = nil
+	} else {
+		if l.nodeInfo == nil {
+			l.nodeInfo = new(NodeInfo)
+		}
+
+		err = l.nodeInfo.FromGRPCMessage(nodeInfo)
+	}
+
+	return err
+}
+
+func (l *LocalNodeInfoResponse) ToGRPCMessage() grpc.Message {
+	var m *netmap.LocalNodeInfoResponse
+
+	if l != nil {
+		m = new(netmap.LocalNodeInfoResponse)
+
+		m.SetBody(l.body.ToGRPCMessage().(*netmap.LocalNodeInfoResponse_Body))
+		l.ResponseHeaders.ToMessage(m)
+	}
+
+	return m
+}
+
+func (l *LocalNodeInfoResponse) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*netmap.LocalNodeInfoResponse)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	body := v.GetBody()
+	if body == nil {
+		l.body = nil
+	} else {
+		if l.body == nil {
+			l.body = new(LocalNodeInfoResponseBody)
+		}
+
+		err = l.body.FromGRPCMessage(body)
+		if err != nil {
+			return err
+		}
+	}
+
+	return l.ResponseHeaders.FromMessage(v)
+}
+
+func (x *NetworkParameter) ToGRPCMessage() grpc.Message {
+	var m *netmap.NetworkConfig_Parameter
+
+	if x != nil {
+		m = new(netmap.NetworkConfig_Parameter)
+
+		m.SetKey(x.k)
+		m.SetValue(x.v)
+	}
+
+	return m
+}
+
+func (x *NetworkParameter) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*netmap.NetworkConfig_Parameter)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	x.k = v.GetKey()
+	x.v = v.GetValue()
+
+	return nil
+}
+
+func (x *NetworkConfig) ToGRPCMessage() grpc.Message {
+	var m *netmap.NetworkConfig
+
+	if x != nil {
+		m = new(netmap.NetworkConfig)
+
+		var ps []netmap.NetworkConfig_Parameter
+
+		if ln := len(x.ps); ln > 0 {
+			ps = make([]netmap.NetworkConfig_Parameter, 0, ln)
+
+			for i := range ln {
+				ps = append(ps, *x.ps[i].ToGRPCMessage().(*netmap.NetworkConfig_Parameter))
+			}
+		}
+
+		m.SetParameters(ps)
+	}
+
+	return m
+}
+
+func (x *NetworkConfig) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*netmap.NetworkConfig)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var (
+		ps   []NetworkParameter
+		psV2 = v.GetParameters()
+	)
+
+	if psV2 != nil {
+		ln := len(psV2)
+
+		ps = make([]NetworkParameter, ln)
+
+		for i := range ln {
+			if err := ps[i].FromGRPCMessage(&psV2[i]); err != nil {
+				return err
+			}
+		}
+	}
+
+	x.ps = ps
+
+	return nil
+}
+
+func (i *NetworkInfo) ToGRPCMessage() grpc.Message {
+	var m *netmap.NetworkInfo
+
+	if i != nil {
+		m = new(netmap.NetworkInfo)
+
+		m.SetMagicNumber(i.magicNum)
+		m.SetCurrentEpoch(i.curEpoch)
+		m.SetMsPerBlock(i.msPerBlock)
+		m.SetNetworkConfig(i.netCfg.ToGRPCMessage().(*netmap.NetworkConfig))
+	}
+
+	return m
+}
+
+func (i *NetworkInfo) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*netmap.NetworkInfo)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	netCfg := v.GetNetworkConfig()
+	if netCfg == nil {
+		i.netCfg = nil
+	} else {
+		if i.netCfg == nil {
+			i.netCfg = new(NetworkConfig)
+		}
+
+		err = i.netCfg.FromGRPCMessage(netCfg)
+		if err != nil {
+			return err
+		}
+	}
+
+	i.magicNum = v.GetMagicNumber()
+	i.curEpoch = v.GetCurrentEpoch()
+	i.msPerBlock = v.GetMsPerBlock()
+
+	return nil
+}
+
+func (l *NetworkInfoRequestBody) ToGRPCMessage() grpc.Message {
+	var m *netmap.NetworkInfoRequest_Body
+
+	if l != nil {
+		m = new(netmap.NetworkInfoRequest_Body)
+	}
+
+	return m
+}
+
+func (l *NetworkInfoRequestBody) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*netmap.NetworkInfoRequest_Body)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	return nil
+}
+
+func (l *NetworkInfoRequest) ToGRPCMessage() grpc.Message {
+	var m *netmap.NetworkInfoRequest
+
+	if l != nil {
+		m = new(netmap.NetworkInfoRequest)
+
+		m.SetBody(l.body.ToGRPCMessage().(*netmap.NetworkInfoRequest_Body))
+		l.RequestHeaders.ToMessage(m)
+	}
+
+	return m
+}
+
+func (l *NetworkInfoRequest) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*netmap.NetworkInfoRequest)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	body := v.GetBody()
+	if body == nil {
+		l.body = nil
+	} else {
+		if l.body == nil {
+			l.body = new(NetworkInfoRequestBody)
+		}
+
+		err = l.body.FromGRPCMessage(body)
+		if err != nil {
+			return err
+		}
+	}
+
+	return l.RequestHeaders.FromMessage(v)
+}
+
+func (i *NetworkInfoResponseBody) ToGRPCMessage() grpc.Message {
+	var m *netmap.NetworkInfoResponse_Body
+
+	if i != nil {
+		m = new(netmap.NetworkInfoResponse_Body)
+
+		m.SetNetworkInfo(i.netInfo.ToGRPCMessage().(*netmap.NetworkInfo))
+	}
+
+	return m
+}
+
+func (i *NetworkInfoResponseBody) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*netmap.NetworkInfoResponse_Body)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	netInfo := v.GetNetworkInfo()
+	if netInfo == nil {
+		i.netInfo = nil
+	} else {
+		if i.netInfo == nil {
+			i.netInfo = new(NetworkInfo)
+		}
+
+		err = i.netInfo.FromGRPCMessage(netInfo)
+	}
+
+	return err
+}
+
+func (l *NetworkInfoResponse) ToGRPCMessage() grpc.Message {
+	var m *netmap.NetworkInfoResponse
+
+	if l != nil {
+		m = new(netmap.NetworkInfoResponse)
+
+		m.SetBody(l.body.ToGRPCMessage().(*netmap.NetworkInfoResponse_Body))
+		l.ResponseHeaders.ToMessage(m)
+	}
+
+	return m
+}
+
+func (l *NetworkInfoResponse) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*netmap.NetworkInfoResponse)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	body := v.GetBody()
+	if body == nil {
+		l.body = nil
+	} else {
+		if l.body == nil {
+			l.body = new(NetworkInfoResponseBody)
+		}
+
+		err = l.body.FromGRPCMessage(body)
+		if err != nil {
+			return err
+		}
+	}
+
+	return l.ResponseHeaders.FromMessage(v)
+}
+
+func (x *NetMap) ToGRPCMessage() grpc.Message {
+	var m *netmap.Netmap
+
+	if x != nil {
+		m = new(netmap.Netmap)
+
+		m.SetEpoch(x.epoch)
+
+		if x.nodes != nil {
+			nodes := make([]netmap.NodeInfo, len(x.nodes))
+
+			for i := range x.nodes {
+				nodes[i] = *x.nodes[i].ToGRPCMessage().(*netmap.NodeInfo)
+			}
+
+			m.SetNodes(nodes)
+		}
+	}
+
+	return m
+}
+
+func (x *NetMap) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*netmap.Netmap)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	nodes := v.GetNodes()
+	if nodes == nil {
+		x.nodes = nil
+	} else {
+		x.nodes = make([]NodeInfo, len(nodes))
+
+		for i := range nodes {
+			err = x.nodes[i].FromGRPCMessage(&nodes[i])
+			if err != nil {
+				return err
+			}
+		}
+	}
+
+	x.epoch = v.GetEpoch()
+
+	return nil
+}
+
+func (x *SnapshotRequestBody) ToGRPCMessage() grpc.Message {
+	var m *netmap.NetmapSnapshotRequest_Body
+
+	if x != nil {
+		m = new(netmap.NetmapSnapshotRequest_Body)
+	}
+
+	return m
+}
+
+func (x *SnapshotRequestBody) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*netmap.NetmapSnapshotRequest_Body)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	return nil
+}
+
+func (x *SnapshotRequest) ToGRPCMessage() grpc.Message {
+	var m *netmap.NetmapSnapshotRequest
+
+	if x != nil {
+		m = new(netmap.NetmapSnapshotRequest)
+
+		m.SetBody(x.body.ToGRPCMessage().(*netmap.NetmapSnapshotRequest_Body))
+		x.RequestHeaders.ToMessage(m)
+	}
+
+	return m
+}
+
+func (x *SnapshotRequest) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*netmap.NetmapSnapshotRequest)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	body := v.GetBody()
+	if body == nil {
+		x.body = nil
+	} else {
+		if x.body == nil {
+			x.body = new(SnapshotRequestBody)
+		}
+
+		err = x.body.FromGRPCMessage(body)
+		if err != nil {
+			return err
+		}
+	}
+
+	return x.RequestHeaders.FromMessage(v)
+}
+
+func (x *SnapshotResponseBody) ToGRPCMessage() grpc.Message {
+	var m *netmap.NetmapSnapshotResponse_Body
+
+	if x != nil {
+		m = new(netmap.NetmapSnapshotResponse_Body)
+
+		m.SetNetmap(x.netMap.ToGRPCMessage().(*netmap.Netmap))
+	}
+
+	return m
+}
+
+func (x *SnapshotResponseBody) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*netmap.NetmapSnapshotResponse_Body)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	netMap := v.GetNetmap()
+	if netMap == nil {
+		x.netMap = nil
+	} else {
+		if x.netMap == nil {
+			x.netMap = new(NetMap)
+		}
+
+		err = x.netMap.FromGRPCMessage(netMap)
+	}
+
+	return err
+}
+
+func (x *SnapshotResponse) ToGRPCMessage() grpc.Message {
+	var m *netmap.NetmapSnapshotResponse
+
+	if x != nil {
+		m = new(netmap.NetmapSnapshotResponse)
+
+		m.SetBody(x.body.ToGRPCMessage().(*netmap.NetmapSnapshotResponse_Body))
+		x.ResponseHeaders.ToMessage(m)
+	}
+
+	return m
+}
+
+func (x *SnapshotResponse) FromGRPCMessage(m grpc.Message) error {
+	v, ok := m.(*netmap.NetmapSnapshotResponse)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, v)
+	}
+
+	var err error
+
+	body := v.GetBody()
+	if body == nil {
+		x.body = nil
+	} else {
+		if x.body == nil {
+			x.body = new(SnapshotResponseBody)
+		}
+
+		err = x.body.FromGRPCMessage(body)
+		if err != nil {
+			return err
+		}
+	}
+
+	return x.ResponseHeaders.FromMessage(v)
+}

api/netmap/grpc/service_frostfs_fuzz.go

@@ -0,0 +1,121 @@
+//go:build gofuzz
+// +build gofuzz
+
+// Code generated by protoc-gen-go-frostfs. DO NOT EDIT.
+
+package netmap
+
+func DoFuzzProtoLocalNodeInfoRequest(data []byte) int {
+	msg := new(LocalNodeInfoRequest)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONLocalNodeInfoRequest(data []byte) int {
+	msg := new(LocalNodeInfoRequest)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}
+func DoFuzzProtoLocalNodeInfoResponse(data []byte) int {
+	msg := new(LocalNodeInfoResponse)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONLocalNodeInfoResponse(data []byte) int {
+	msg := new(LocalNodeInfoResponse)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}
+func DoFuzzProtoNetworkInfoRequest(data []byte) int {
+	msg := new(NetworkInfoRequest)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONNetworkInfoRequest(data []byte) int {
+	msg := new(NetworkInfoRequest)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}
+func DoFuzzProtoNetworkInfoResponse(data []byte) int {
+	msg := new(NetworkInfoResponse)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONNetworkInfoResponse(data []byte) int {
+	msg := new(NetworkInfoResponse)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}
+func DoFuzzProtoNetmapSnapshotRequest(data []byte) int {
+	msg := new(NetmapSnapshotRequest)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONNetmapSnapshotRequest(data []byte) int {
+	msg := new(NetmapSnapshotRequest)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}
+func DoFuzzProtoNetmapSnapshotResponse(data []byte) int {
+	msg := new(NetmapSnapshotResponse)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONNetmapSnapshotResponse(data []byte) int {
+	msg := new(NetmapSnapshotResponse)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}

api/netmap/grpc/service_frostfs_test.go

@@ -0,0 +1,71 @@
+//go:build gofuzz
+// +build gofuzz
+
+// Code generated by protoc-gen-go-frostfs. DO NOT EDIT.
+
+package netmap
+
+import (
+	testing "testing"
+)
+
+func FuzzProtoLocalNodeInfoRequest(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoLocalNodeInfoRequest(data)
+	})
+}
+func FuzzJSONLocalNodeInfoRequest(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONLocalNodeInfoRequest(data)
+	})
+}
+func FuzzProtoLocalNodeInfoResponse(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoLocalNodeInfoResponse(data)
+	})
+}
+func FuzzJSONLocalNodeInfoResponse(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONLocalNodeInfoResponse(data)
+	})
+}
+func FuzzProtoNetworkInfoRequest(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoNetworkInfoRequest(data)
+	})
+}
+func FuzzJSONNetworkInfoRequest(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONNetworkInfoRequest(data)
+	})
+}
+func FuzzProtoNetworkInfoResponse(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoNetworkInfoResponse(data)
+	})
+}
+func FuzzJSONNetworkInfoResponse(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONNetworkInfoResponse(data)
+	})
+}
+func FuzzProtoNetmapSnapshotRequest(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoNetmapSnapshotRequest(data)
+	})
+}
+func FuzzJSONNetmapSnapshotRequest(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONNetmapSnapshotRequest(data)
+	})
+}
+func FuzzProtoNetmapSnapshotResponse(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoNetmapSnapshotResponse(data)
+	})
+}
+func FuzzJSONNetmapSnapshotResponse(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONNetmapSnapshotResponse(data)
+	})
+}

api/netmap/grpc/types_frostfs_fuzz.go

@@ -0,0 +1,159 @@
+//go:build gofuzz
+// +build gofuzz
+
+// Code generated by protoc-gen-go-frostfs. DO NOT EDIT.
+
+package netmap
+
+func DoFuzzProtoFilter(data []byte) int {
+	msg := new(Filter)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONFilter(data []byte) int {
+	msg := new(Filter)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}
+func DoFuzzProtoSelector(data []byte) int {
+	msg := new(Selector)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONSelector(data []byte) int {
+	msg := new(Selector)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}
+func DoFuzzProtoReplica(data []byte) int {
+	msg := new(Replica)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONReplica(data []byte) int {
+	msg := new(Replica)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}
+func DoFuzzProtoPlacementPolicy(data []byte) int {
+	msg := new(PlacementPolicy)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONPlacementPolicy(data []byte) int {
+	msg := new(PlacementPolicy)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}
+func DoFuzzProtoNodeInfo(data []byte) int {
+	msg := new(NodeInfo)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONNodeInfo(data []byte) int {
+	msg := new(NodeInfo)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}
+func DoFuzzProtoNetmap(data []byte) int {
+	msg := new(Netmap)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONNetmap(data []byte) int {
+	msg := new(Netmap)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}
+func DoFuzzProtoNetworkConfig(data []byte) int {
+	msg := new(NetworkConfig)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONNetworkConfig(data []byte) int {
+	msg := new(NetworkConfig)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}
+func DoFuzzProtoNetworkInfo(data []byte) int {
+	msg := new(NetworkInfo)
+	if err := msg.UnmarshalProtobuf(data); err != nil {
+		return 0
+	}
+	_ = msg.MarshalProtobuf(nil)
+	return 1
+}
+func DoFuzzJSONNetworkInfo(data []byte) int {
+	msg := new(NetworkInfo)
+	if err := msg.UnmarshalJSON(data); err != nil {
+		return 0
+	}
+	_, err := msg.MarshalJSON()
+	if err != nil {
+		panic(err)
+	}
+	return 1
+}

api/netmap/grpc/types_frostfs_test.go

@@ -0,0 +1,91 @@
+//go:build gofuzz
+// +build gofuzz
+
+// Code generated by protoc-gen-go-frostfs. DO NOT EDIT.
+
+package netmap
+
+import (
+	testing "testing"
+)
+
+func FuzzProtoFilter(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoFilter(data)
+	})
+}
+func FuzzJSONFilter(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONFilter(data)
+	})
+}
+func FuzzProtoSelector(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoSelector(data)
+	})
+}
+func FuzzJSONSelector(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONSelector(data)
+	})
+}
+func FuzzProtoReplica(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoReplica(data)
+	})
+}
+func FuzzJSONReplica(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONReplica(data)
+	})
+}
+func FuzzProtoPlacementPolicy(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoPlacementPolicy(data)
+	})
+}
+func FuzzJSONPlacementPolicy(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONPlacementPolicy(data)
+	})
+}
+func FuzzProtoNodeInfo(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoNodeInfo(data)
+	})
+}
+func FuzzJSONNodeInfo(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONNodeInfo(data)
+	})
+}
+func FuzzProtoNetmap(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoNetmap(data)
+	})
+}
+func FuzzJSONNetmap(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONNetmap(data)
+	})
+}
+func FuzzProtoNetworkConfig(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoNetworkConfig(data)
+	})
+}
+func FuzzJSONNetworkConfig(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONNetworkConfig(data)
+	})
+}
+func FuzzProtoNetworkInfo(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzProtoNetworkInfo(data)
+	})
+}
+func FuzzJSONNetworkInfo(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzJSONNetworkInfo(data)
+	})
+}

api/netmap/json.go

@@ -0,0 +1,62 @@
+package netmap
+
+import (
+	netmap "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/netmap/grpc"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/rpc/message"
+)
+
+func (p *PlacementPolicy) MarshalJSON() ([]byte, error) {
+	return message.MarshalJSON(p)
+}
+
+func (p *PlacementPolicy) UnmarshalJSON(data []byte) error {
+	return message.UnmarshalJSON(p, data, new(netmap.PlacementPolicy))
+}
+
+func (f *Filter) MarshalJSON() ([]byte, error) {
+	return message.MarshalJSON(f)
+}
+
+func (f *Filter) UnmarshalJSON(data []byte) error {
+	return message.UnmarshalJSON(f, data, new(netmap.Filter))
+}
+
+func (s *Selector) MarshalJSON() ([]byte, error) {
+	return message.MarshalJSON(s)
+}
+
+func (s *Selector) UnmarshalJSON(data []byte) error {
+	return message.UnmarshalJSON(s, data, new(netmap.Selector))
+}
+
+func (r *Replica) MarshalJSON() ([]byte, error) {
+	return message.MarshalJSON(r)
+}
+
+func (r *Replica) UnmarshalJSON(data []byte) error {
+	return message.UnmarshalJSON(r, data, new(netmap.Replica))
+}
+
+func (a *Attribute) MarshalJSON() ([]byte, error) {
+	return message.MarshalJSON(a)
+}
+
+func (a *Attribute) UnmarshalJSON(data []byte) error {
+	return message.UnmarshalJSON(a, data, new(netmap.NodeInfo_Attribute))
+}
+
+func (ni *NodeInfo) MarshalJSON() ([]byte, error) {
+	return message.MarshalJSON(ni)
+}
+
+func (ni *NodeInfo) UnmarshalJSON(data []byte) error {
+	return message.UnmarshalJSON(ni, data, new(netmap.NodeInfo))
+}
+
+func (i *NetworkInfo) MarshalJSON() ([]byte, error) {
+	return message.MarshalJSON(i)
+}
+
+func (i *NetworkInfo) UnmarshalJSON(data []byte) error {
+	return message.UnmarshalJSON(i, data, new(netmap.NetworkInfo))
+}

api/netmap/marshal.go

@@ -0,0 +1,576 @@
+package netmap
+
+import (
+	netmap "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/netmap/grpc"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/rpc/message"
+	protoutil "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/util/proto"
+)
+
+const (
+	nameFilterField    = 1
+	keyFilterField     = 2
+	opFilterField      = 3
+	valueFilterField   = 4
+	filtersFilterField = 5
+
+	nameSelectorField      = 1
+	countSelectorField     = 2
+	clauseSelectorField    = 3
+	attributeSelectorField = 4
+	filterSelectorField    = 5
+
+	countReplicaField         = 1
+	selectorReplicaField      = 2
+	ecDataCountReplicaField   = 3
+	ecParityCountReplicaField = 4
+
+	replicasPolicyField  = 1
+	backupPolicyField    = 2
+	selectorsPolicyField = 3
+	filtersPolicyField   = 4
+	uniquePolicyField    = 5
+
+	keyAttributeField     = 1
+	valueAttributeField   = 2
+	parentsAttributeField = 3
+
+	keyNodeInfoField        = 1
+	addressNodeInfoField    = 2
+	attributesNodeInfoField = 3
+	stateNodeInfoField      = 4
+
+	versionInfoResponseBodyField = 1
+	nodeInfoResponseBodyField    = 2
+)
+
+func (f *Filter) StableMarshal(buf []byte) []byte {
+	if f == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, f.StableSize())
+	}
+
+	var offset int
+
+	offset += protoutil.StringMarshal(nameFilterField, buf[offset:], f.name)
+	offset += protoutil.StringMarshal(keyFilterField, buf[offset:], f.key)
+	offset += protoutil.EnumMarshal(opFilterField, buf[offset:], int32(f.op))
+	offset += protoutil.StringMarshal(valueFilterField, buf[offset:], f.value)
+
+	for i := range f.filters {
+		offset += protoutil.NestedStructureMarshal(filtersFilterField, buf[offset:], &f.filters[i])
+	}
+
+	return buf
+}
+
+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))
+	size += protoutil.StringSize(valueFilterField, f.value)
+	for i := range f.filters {
+		size += protoutil.NestedStructureSize(filtersFilterField, &f.filters[i])
+	}
+
+	return size
+}
+
+func (f *Filter) Unmarshal(data []byte) error {
+	return message.Unmarshal(f, data, new(netmap.Filter))
+}
+
+func (s *Selector) StableMarshal(buf []byte) []byte {
+	if s == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, s.StableSize())
+	}
+
+	var offset int
+
+	offset += protoutil.StringMarshal(nameSelectorField, buf[offset:], s.name)
+	offset += protoutil.UInt32Marshal(countSelectorField, buf[offset:], s.count)
+	offset += protoutil.EnumMarshal(clauseSelectorField, buf[offset:], int32(s.clause))
+	offset += protoutil.StringMarshal(attributeSelectorField, buf[offset:], s.attribute)
+	protoutil.StringMarshal(filterSelectorField, buf[offset:], s.filter)
+
+	return buf
+}
+
+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))
+	size += protoutil.StringSize(attributeSelectorField, s.attribute)
+	size += protoutil.StringSize(filterSelectorField, s.filter)
+
+	return size
+}
+
+func (s *Selector) Unmarshal(data []byte) error {
+	return message.Unmarshal(s, data, new(netmap.Selector))
+}
+
+func (r *Replica) StableMarshal(buf []byte) []byte {
+	if r == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, r.StableSize())
+	}
+
+	var offset int
+
+	offset += protoutil.UInt32Marshal(countReplicaField, buf[offset:], r.count)
+	offset += protoutil.StringMarshal(selectorReplicaField, buf[offset:], r.selector)
+	offset += protoutil.UInt32Marshal(ecDataCountReplicaField, buf[offset:], r.ecDataCount)
+	protoutil.UInt32Marshal(ecParityCountReplicaField, buf[offset:], r.ecParityCount)
+
+	return buf
+}
+
+func (r *Replica) StableSize() (size int) {
+	if r == nil {
+		return 0
+	}
+
+	size += protoutil.UInt32Size(countReplicaField, r.count)
+	size += protoutil.StringSize(selectorReplicaField, r.selector)
+	size += protoutil.UInt32Size(ecDataCountReplicaField, r.ecDataCount)
+	size += protoutil.UInt32Size(ecParityCountReplicaField, r.ecParityCount)
+
+	return size
+}
+
+func (r *Replica) Unmarshal(data []byte) error {
+	return message.Unmarshal(r, data, new(netmap.Replica))
+}
+
+func (p *PlacementPolicy) StableMarshal(buf []byte) []byte {
+	if p == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, p.StableSize())
+	}
+
+	var offset int
+
+	for i := range p.replicas {
+		offset += protoutil.NestedStructureMarshal(replicasPolicyField, buf[offset:], &p.replicas[i])
+	}
+
+	offset += protoutil.UInt32Marshal(backupPolicyField, buf[offset:], p.backupFactor)
+
+	for i := range p.selectors {
+		offset += protoutil.NestedStructureMarshal(selectorsPolicyField, buf[offset:], &p.selectors[i])
+	}
+
+	for i := range p.filters {
+		offset += protoutil.NestedStructureMarshal(filtersPolicyField, buf[offset:], &p.filters[i])
+	}
+
+	protoutil.BoolMarshal(uniquePolicyField, buf[offset:], p.unique)
+
+	return buf
+}
+
+func (p *PlacementPolicy) StableSize() (size int) {
+	if p == nil {
+		return 0
+	}
+
+	for i := range p.replicas {
+		size += protoutil.NestedStructureSize(replicasPolicyField, &p.replicas[i])
+	}
+
+	size += protoutil.UInt32Size(backupPolicyField, p.backupFactor)
+
+	for i := range p.selectors {
+		size += protoutil.NestedStructureSize(selectorsPolicyField, &p.selectors[i])
+	}
+
+	for i := range p.filters {
+		size += protoutil.NestedStructureSize(filtersPolicyField, &p.filters[i])
+	}
+
+	size += protoutil.BoolSize(uniquePolicyField, p.unique)
+
+	return size
+}
+
+func (p *PlacementPolicy) Unmarshal(data []byte) error {
+	return message.Unmarshal(p, data, new(netmap.PlacementPolicy))
+}
+
+func (a *Attribute) StableMarshal(buf []byte) []byte {
+	if a == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, a.StableSize())
+	}
+
+	var offset int
+
+	offset += protoutil.StringMarshal(keyAttributeField, buf[offset:], a.key)
+	offset += protoutil.StringMarshal(valueAttributeField, buf[offset:], a.value)
+
+	for i := range a.parents {
+		offset += protoutil.StringMarshal(parentsAttributeField, buf[offset:], a.parents[i])
+	}
+
+	return buf
+}
+
+func (a *Attribute) StableSize() (size int) {
+	if a == nil {
+		return 0
+	}
+
+	size += protoutil.StringSize(keyAttributeField, a.key)
+	size += protoutil.StringSize(valueAttributeField, a.value)
+
+	for i := range a.parents {
+		size += protoutil.StringSize(parentsAttributeField, a.parents[i])
+	}
+
+	return size
+}
+
+func (a *Attribute) Unmarshal(data []byte) error {
+	return message.Unmarshal(a, data, new(netmap.NodeInfo_Attribute))
+}
+
+func (ni *NodeInfo) StableMarshal(buf []byte) []byte {
+	if ni == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, ni.StableSize())
+	}
+
+	var offset int
+
+	offset += protoutil.BytesMarshal(keyNodeInfoField, buf[offset:], ni.publicKey)
+	offset += protoutil.RepeatedStringMarshal(addressNodeInfoField, buf[offset:], ni.addresses)
+
+	for i := range ni.attributes {
+		offset += protoutil.NestedStructureMarshal(attributesNodeInfoField, buf[offset:], &ni.attributes[i])
+	}
+
+	protoutil.EnumMarshal(stateNodeInfoField, buf[offset:], int32(ni.state))
+
+	return buf
+}
+
+func (ni *NodeInfo) StableSize() (size int) {
+	if ni == nil {
+		return 0
+	}
+
+	size += protoutil.BytesSize(keyNodeInfoField, ni.publicKey)
+	size += protoutil.RepeatedStringSize(addressNodeInfoField, ni.addresses)
+
+	for i := range ni.attributes {
+		size += protoutil.NestedStructureSize(attributesNodeInfoField, &ni.attributes[i])
+	}
+
+	size += protoutil.EnumSize(stateNodeInfoField, int32(ni.state))
+
+	return size
+}
+
+func (ni *NodeInfo) Unmarshal(data []byte) error {
+	return message.Unmarshal(ni, data, new(netmap.NodeInfo))
+}
+
+func (l *LocalNodeInfoRequestBody) StableMarshal(_ []byte) []byte {
+	return nil
+}
+
+func (l *LocalNodeInfoRequestBody) StableSize() (size int) {
+	return 0
+}
+
+func (l *LocalNodeInfoRequestBody) Unmarshal([]byte) error {
+	return nil
+}
+
+func (l *LocalNodeInfoResponseBody) StableMarshal(buf []byte) []byte {
+	if l == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, l.StableSize())
+	}
+
+	var offset int
+
+	offset += protoutil.NestedStructureMarshal(versionInfoResponseBodyField, buf[offset:], l.version)
+	protoutil.NestedStructureMarshal(nodeInfoResponseBodyField, buf[offset:], l.nodeInfo)
+
+	return buf
+}
+
+func (l *LocalNodeInfoResponseBody) StableSize() (size int) {
+	if l == nil {
+		return 0
+	}
+
+	size += protoutil.NestedStructureSize(versionInfoResponseBodyField, l.version)
+	size += protoutil.NestedStructureSize(nodeInfoResponseBodyField, l.nodeInfo)
+
+	return size
+}
+
+func (l *LocalNodeInfoResponseBody) Unmarshal(data []byte) error {
+	return message.Unmarshal(l, data, new(netmap.LocalNodeInfoResponse_Body))
+}
+
+const (
+	_ = iota
+	netPrmKeyFNum
+	netPrmValFNum
+)
+
+func (x *NetworkParameter) StableMarshal(buf []byte) []byte {
+	if x == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, x.StableSize())
+	}
+
+	var offset int
+
+	offset += protoutil.BytesMarshal(netPrmKeyFNum, buf[offset:], x.k)
+	protoutil.BytesMarshal(netPrmValFNum, buf[offset:], x.v)
+
+	return buf
+}
+
+func (x *NetworkParameter) StableSize() (size int) {
+	if x == nil {
+		return 0
+	}
+
+	size += protoutil.BytesSize(netPrmKeyFNum, x.k)
+	size += protoutil.BytesSize(netPrmValFNum, x.v)
+
+	return size
+}
+
+const (
+	_ = iota
+	netCfgPrmsFNum
+)
+
+func (x *NetworkConfig) StableMarshal(buf []byte) []byte {
+	if x == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, x.StableSize())
+	}
+
+	var offset int
+
+	for i := range x.ps {
+		offset += protoutil.NestedStructureMarshal(netCfgPrmsFNum, buf[offset:], &x.ps[i])
+	}
+
+	return buf
+}
+
+func (x *NetworkConfig) StableSize() (size int) {
+	if x == nil {
+		return 0
+	}
+
+	for i := range x.ps {
+		size += protoutil.NestedStructureSize(netCfgPrmsFNum, &x.ps[i])
+	}
+
+	return size
+}
+
+const (
+	_ = iota
+	netInfoCurEpochFNum
+	netInfoMagicNumFNum
+	netInfoMSPerBlockFNum
+	netInfoCfgFNum
+)
+
+func (i *NetworkInfo) StableMarshal(buf []byte) []byte {
+	if i == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, i.StableSize())
+	}
+
+	var offset int
+
+	offset += protoutil.UInt64Marshal(netInfoCurEpochFNum, buf[offset:], i.curEpoch)
+	offset += protoutil.UInt64Marshal(netInfoMagicNumFNum, buf[offset:], i.magicNum)
+	offset += protoutil.Int64Marshal(netInfoMSPerBlockFNum, buf[offset:], i.msPerBlock)
+	protoutil.NestedStructureMarshal(netInfoCfgFNum, buf[offset:], i.netCfg)
+
+	return buf
+}
+
+func (i *NetworkInfo) StableSize() (size int) {
+	if i == nil {
+		return 0
+	}
+
+	size += protoutil.UInt64Size(netInfoCurEpochFNum, i.curEpoch)
+	size += protoutil.UInt64Size(netInfoMagicNumFNum, i.magicNum)
+	size += protoutil.Int64Size(netInfoMSPerBlockFNum, i.msPerBlock)
+	size += protoutil.NestedStructureSize(netInfoCfgFNum, i.netCfg)
+
+	return size
+}
+
+func (i *NetworkInfo) Unmarshal(data []byte) error {
+	return message.Unmarshal(i, data, new(netmap.NetworkInfo))
+}
+
+func (l *NetworkInfoRequestBody) StableMarshal(_ []byte) []byte {
+	return nil
+}
+
+func (l *NetworkInfoRequestBody) StableSize() (size int) {
+	return 0
+}
+
+func (l *NetworkInfoRequestBody) Unmarshal(data []byte) error {
+	return message.Unmarshal(l, data, new(netmap.NetworkInfoRequest_Body))
+}
+
+const (
+	_ = iota
+	netInfoRespBodyNetInfoFNum
+)
+
+func (i *NetworkInfoResponseBody) StableMarshal(buf []byte) []byte {
+	if i == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, i.StableSize())
+	}
+
+	protoutil.NestedStructureMarshal(netInfoRespBodyNetInfoFNum, buf, i.netInfo)
+
+	return buf
+}
+
+func (i *NetworkInfoResponseBody) StableSize() (size int) {
+	if i == nil {
+		return 0
+	}
+
+	size += protoutil.NestedStructureSize(netInfoRespBodyNetInfoFNum, i.netInfo)
+
+	return size
+}
+
+func (i *NetworkInfoResponseBody) Unmarshal(data []byte) error {
+	return message.Unmarshal(i, data, new(netmap.NetworkInfoResponse_Body))
+}
+
+const (
+	_ = iota
+	fNumNetMapEpoch
+	fNumNetMapNodes
+)
+
+func (x *NetMap) StableMarshal(buf []byte) []byte {
+	if x == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, x.StableSize())
+	}
+
+	offset := protoutil.UInt64Marshal(fNumNetMapEpoch, buf, x.epoch)
+
+	for i := range x.nodes {
+		offset += protoutil.NestedStructureMarshal(fNumNetMapNodes, buf[offset:], &x.nodes[i])
+	}
+
+	return buf
+}
+
+func (x *NetMap) StableSize() (size int) {
+	if x != nil {
+		size = protoutil.UInt64Size(fNumNetMapEpoch, x.epoch)
+
+		for i := range x.nodes {
+			size += protoutil.NestedStructureSize(fNumNetMapNodes, &x.nodes[i])
+		}
+	}
+
+	return
+}
+
+func (x *SnapshotRequestBody) StableMarshal([]byte) []byte {
+	return nil
+}
+
+func (x *SnapshotRequestBody) StableSize() int {
+	return 0
+}
+
+const (
+	_ = iota
+	fNumSnapshotResponseBodyNetMap
+)
+
+func (x *SnapshotResponseBody) StableMarshal(buf []byte) []byte {
+	if x == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, x.StableSize())
+	}
+
+	protoutil.NestedStructureMarshal(fNumSnapshotResponseBodyNetMap, buf, x.netMap)
+
+	return buf
+}
+
+func (x *SnapshotResponseBody) StableSize() (size int) {
+	if x != nil {
+		size = protoutil.NestedStructureSize(fNumSnapshotResponseBodyNetMap, x.netMap)
+	}
+
+	return
+}

api/netmap/message_test.go

@@ -0,0 +1,32 @@
+package netmap_test
+
+import (
+	"testing"
+
+	netmaptest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/netmap/test"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/rpc/message"
+	messagetest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/rpc/message/test"
+)
+
+func TestMessageConvert(t *testing.T) {
+	messagetest.TestRPCMessage(t,
+		func(empty bool) message.Message { return netmaptest.GenerateFilter(empty) },
+		func(empty bool) message.Message { return netmaptest.GenerateSelector(empty) },
+		func(empty bool) message.Message { return netmaptest.GenerateReplica(empty) },
+		func(empty bool) message.Message { return netmaptest.GeneratePlacementPolicy(empty) },
+		func(empty bool) message.Message { return netmaptest.GenerateAttribute(empty) },
+		func(empty bool) message.Message { return netmaptest.GenerateNodeInfo(empty) },
+		func(empty bool) message.Message { return netmaptest.GenerateLocalNodeInfoRequest(empty) },
+		func(empty bool) message.Message { return netmaptest.GenerateLocalNodeInfoResponseBody(empty) },
+		func(empty bool) message.Message { return netmaptest.GenerateNetworkParameter(empty) },
+		func(empty bool) message.Message { return netmaptest.GenerateNetworkConfig(empty) },
+		func(empty bool) message.Message { return netmaptest.GenerateNetworkInfo(empty) },
+		func(empty bool) message.Message { return netmaptest.GenerateNetworkInfoRequest(empty) },
+		func(empty bool) message.Message { return netmaptest.GenerateNetworkInfoResponseBody(empty) },
+		func(empty bool) message.Message { return netmaptest.GenerateNetMap(empty) },
+		func(empty bool) message.Message { return netmaptest.GenerateSnapshotRequestBody(empty) },
+		func(empty bool) message.Message { return netmaptest.GenerateSnapshotRequest(empty) },
+		func(empty bool) message.Message { return netmaptest.GenerateSnapshotResponseBody(empty) },
+		func(empty bool) message.Message { return netmaptest.GenerateSnapshotResponse(empty) },
+	)
+}

api/netmap/string.go

@@ -0,0 +1,68 @@
+package netmap
+
+import (
+	netmap "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/netmap/grpc"
+)
+
+// String returns string representation of Clause.
+func (x Clause) String() string {
+	return ClauseToGRPCMessage(x).String()
+}
+
+// FromString parses Clause from a string representation.
+// It is a reverse action to String().
+//
+// Returns true if s was parsed successfully.
+func (x *Clause) FromString(s string) bool {
+	var g netmap.Clause
+
+	ok := g.FromString(s)
+
+	if ok {
+		*x = ClauseFromGRPCMessage(g)
+	}
+
+	return ok
+}
+
+// String returns string representation of Operation.
+func (x Operation) String() string {
+	return OperationToGRPCMessage(x).String()
+}
+
+// FromString parses Operation from a string representation.
+// It is a reverse action to String().
+//
+// Returns true if s was parsed successfully.
+func (x *Operation) FromString(s string) bool {
+	var g netmap.Operation
+
+	ok := g.FromString(s)
+
+	if ok {
+		*x = OperationFromGRPCMessage(g)
+	}
+
+	return ok
+}
+
+// String returns string representation of NodeState.
+func (x NodeState) String() string {
+	return NodeStateToGRPCMessage(x).String()
+}
+
+// FromString parses NodeState from a string representation.
+// It is a reverse action to String().
+//
+// Returns true if s was parsed successfully.
+func (x *NodeState) FromString(s string) bool {
+	var g netmap.NodeInfo_State
+
+	ok := g.FromString(s)
+
+	if ok {
+		*x = NodeStateFromRPCMessage(g)
+	}
+
+	return ok
+}

api/netmap/test/generate.go

@@ -0,0 +1,335 @@
+package netmaptest
+
+import (
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/netmap"
+	refstest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/refs/test"
+	sessiontest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/session/test"
+)
+
+func GenerateFilter(empty bool) *netmap.Filter {
+	return generateFilter(empty, true)
+}
+
+func generateFilter(empty, withSub bool) *netmap.Filter {
+	m := new(netmap.Filter)
+
+	if !empty {
+		m.SetKey("filter key")
+		m.SetValue("filter value")
+		m.SetName("filter name")
+		m.SetOp(1)
+
+		if withSub {
+			m.SetFilters([]netmap.Filter{
+				*generateFilter(empty, false),
+				*generateFilter(empty, false),
+			})
+		}
+	}
+
+	return m
+}
+
+func GenerateFilters(empty bool) []netmap.Filter {
+	var res []netmap.Filter
+
+	if !empty {
+		res = append(res,
+			*GenerateFilter(false),
+			*GenerateFilter(false),
+		)
+	}
+
+	return res
+}
+
+func GenerateSelector(empty bool) *netmap.Selector {
+	m := new(netmap.Selector)
+
+	if !empty {
+		m.SetCount(66)
+		m.SetAttribute("selector attribute")
+		m.SetFilter("select filter")
+		m.SetName("select name")
+		m.SetClause(1)
+	}
+
+	return m
+}
+
+func GenerateSelectors(empty bool) []netmap.Selector {
+	var res []netmap.Selector
+
+	if !empty {
+		res = append(res,
+			*GenerateSelector(false),
+			*GenerateSelector(false),
+		)
+	}
+
+	return res
+}
+
+func GenerateReplica(empty bool) *netmap.Replica {
+	m := new(netmap.Replica)
+
+	if !empty {
+		m.SetCount(42)
+		m.SetSelector("replica selector")
+	}
+
+	return m
+}
+
+func GenerateEC(empty bool) *netmap.Replica {
+	m := new(netmap.Replica)
+
+	if !empty {
+		m.SetECDataCount(4)
+		m.SetECParityCount(2)
+	}
+
+	return m
+}
+
+func GenerateReplicas(empty bool) []netmap.Replica {
+	var res []netmap.Replica
+
+	if !empty {
+		res = append(res,
+			*GenerateReplica(false),
+			*GenerateReplica(false),
+			*GenerateEC(false),
+		)
+	}
+
+	return res
+}
+
+func GeneratePlacementPolicy(empty bool) *netmap.PlacementPolicy {
+	m := new(netmap.PlacementPolicy)
+
+	if !empty {
+		m.SetContainerBackupFactor(322)
+		m.SetFilters(GenerateFilters(false))
+		m.SetSelectors(GenerateSelectors(false))
+		m.SetReplicas(GenerateReplicas(false))
+		m.SetUnique(true)
+	}
+
+	return m
+}
+
+func GenerateAttribute(empty bool) *netmap.Attribute {
+	m := new(netmap.Attribute)
+
+	if !empty {
+		m.SetKey("attribute key")
+		m.SetValue("attribute val")
+	}
+
+	return m
+}
+
+func GenerateAttributes(empty bool) []netmap.Attribute {
+	var res []netmap.Attribute
+
+	if !empty {
+		res = append(res,
+			*GenerateAttribute(false),
+			*GenerateAttribute(false),
+		)
+	}
+
+	return res
+}
+
+func GenerateNodeInfo(empty bool) *netmap.NodeInfo {
+	m := new(netmap.NodeInfo)
+
+	if !empty {
+		m.SetAddresses("node address", "node address 2")
+		m.SetPublicKey([]byte{1, 2, 3})
+		m.SetState(33)
+		m.SetAttributes(GenerateAttributes(empty))
+	}
+
+	return m
+}
+
+func GenerateLocalNodeInfoRequestBody(_ bool) *netmap.LocalNodeInfoRequestBody {
+	m := new(netmap.LocalNodeInfoRequestBody)
+
+	return m
+}
+
+func GenerateLocalNodeInfoRequest(empty bool) *netmap.LocalNodeInfoRequest {
+	m := new(netmap.LocalNodeInfoRequest)
+
+	if !empty {
+		m.SetBody(GenerateLocalNodeInfoRequestBody(false))
+	}
+
+	m.SetMetaHeader(sessiontest.GenerateRequestMetaHeader(empty))
+	m.SetVerificationHeader(sessiontest.GenerateRequestVerificationHeader(empty))
+
+	return m
+}
+
+func GenerateLocalNodeInfoResponseBody(empty bool) *netmap.LocalNodeInfoResponseBody {
+	m := new(netmap.LocalNodeInfoResponseBody)
+
+	if !empty {
+		m.SetNodeInfo(GenerateNodeInfo(false))
+	}
+
+	m.SetVersion(refstest.GenerateVersion(empty))
+
+	return m
+}
+
+func GenerateLocalNodeInfoResponse(empty bool) *netmap.LocalNodeInfoResponse {
+	m := new(netmap.LocalNodeInfoResponse)
+
+	if !empty {
+		m.SetBody(GenerateLocalNodeInfoResponseBody(false))
+	}
+
+	m.SetMetaHeader(sessiontest.GenerateResponseMetaHeader(empty))
+	m.SetVerificationHeader(sessiontest.GenerateResponseVerificationHeader(empty))
+
+	return m
+}
+
+func GenerateNetworkParameter(empty bool) *netmap.NetworkParameter {
+	m := new(netmap.NetworkParameter)
+
+	if !empty {
+		m.SetKey([]byte("key"))
+		m.SetValue([]byte("value"))
+	}
+
+	return m
+}
+
+func GenerateNetworkConfig(empty bool) *netmap.NetworkConfig {
+	m := new(netmap.NetworkConfig)
+
+	if !empty {
+		m.SetParameters(
+			*GenerateNetworkParameter(empty),
+			*GenerateNetworkParameter(empty),
+		)
+	}
+
+	return m
+}
+
+func GenerateNetworkInfo(empty bool) *netmap.NetworkInfo {
+	m := new(netmap.NetworkInfo)
+
+	if !empty {
+		m.SetMagicNumber(228)
+		m.SetCurrentEpoch(666)
+		m.SetMsPerBlock(5678)
+		m.SetNetworkConfig(GenerateNetworkConfig(empty))
+	}
+
+	return m
+}
+
+func GenerateNetworkInfoRequestBody(_ bool) *netmap.NetworkInfoRequestBody {
+	m := new(netmap.NetworkInfoRequestBody)
+
+	return m
+}
+
+func GenerateNetworkInfoRequest(empty bool) *netmap.NetworkInfoRequest {
+	m := new(netmap.NetworkInfoRequest)
+
+	if !empty {
+		m.SetBody(GenerateNetworkInfoRequestBody(false))
+	}
+
+	m.SetMetaHeader(sessiontest.GenerateRequestMetaHeader(empty))
+	m.SetVerificationHeader(sessiontest.GenerateRequestVerificationHeader(empty))
+
+	return m
+}
+
+func GenerateNetworkInfoResponseBody(empty bool) *netmap.NetworkInfoResponseBody {
+	m := new(netmap.NetworkInfoResponseBody)
+
+	if !empty {
+		m.SetNetworkInfo(GenerateNetworkInfo(false))
+	}
+
+	return m
+}
+
+func GenerateNetworkInfoResponse(empty bool) *netmap.NetworkInfoResponse {
+	m := new(netmap.NetworkInfoResponse)
+
+	if !empty {
+		m.SetBody(GenerateNetworkInfoResponseBody(false))
+	}
+
+	m.SetMetaHeader(sessiontest.GenerateResponseMetaHeader(empty))
+	m.SetVerificationHeader(sessiontest.GenerateResponseVerificationHeader(empty))
+
+	return m
+}
+
+func GenerateNetMap(empty bool) *netmap.NetMap {
+	m := new(netmap.NetMap)
+
+	if !empty {
+		m.SetEpoch(987)
+		m.SetNodes([]netmap.NodeInfo{
+			*GenerateNodeInfo(false),
+			*GenerateNodeInfo(false),
+		})
+	}
+
+	return m
+}
+
+func GenerateSnapshotRequestBody(_ bool) *netmap.SnapshotRequestBody {
+	return new(netmap.SnapshotRequestBody)
+}
+
+func GenerateSnapshotRequest(empty bool) *netmap.SnapshotRequest {
+	m := new(netmap.SnapshotRequest)
+
+	if !empty {
+		m.SetBody(GenerateSnapshotRequestBody(false))
+	}
+
+	m.SetMetaHeader(sessiontest.GenerateRequestMetaHeader(empty))
+	m.SetVerificationHeader(sessiontest.GenerateRequestVerificationHeader(empty))
+
+	return m
+}
+
+func GenerateSnapshotResponseBody(empty bool) *netmap.SnapshotResponseBody {
+	m := new(netmap.SnapshotResponseBody)
+
+	if !empty {
+		m.SetNetMap(GenerateNetMap(false))
+	}
+
+	return m
+}
+
+func GenerateSnapshotResponse(empty bool) *netmap.SnapshotResponse {
+	m := new(netmap.SnapshotResponse)
+
+	if !empty {
+		m.SetBody(GenerateSnapshotResponseBody(false))
+	}
+
+	m.SetMetaHeader(sessiontest.GenerateResponseMetaHeader(empty))
+	m.SetVerificationHeader(sessiontest.GenerateResponseVerificationHeader(empty))
+
+	return m
+}

api/netmap/types.go

@@ -0,0 +1,783 @@
+package netmap
+
+import (
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/refs"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/session"
+)
+
+type LocalNodeInfoRequest struct {
+	body *LocalNodeInfoRequestBody
+
+	session.RequestHeaders
+}
+
+type LocalNodeInfoResponse struct {
+	body *LocalNodeInfoResponseBody
+
+	session.ResponseHeaders
+}
+
+// NetworkInfoRequest is a structure of NetworkInfo request.
+type NetworkInfoRequest struct {
+	body *NetworkInfoRequestBody
+
+	session.RequestHeaders
+}
+
+// NetworkInfoResponse is a structure of NetworkInfo response.
+type NetworkInfoResponse struct {
+	body *NetworkInfoResponseBody
+
+	session.ResponseHeaders
+}
+
+type Filter struct {
+	name    string
+	key     string
+	op      Operation
+	value   string
+	filters []Filter
+}
+
+type Selector struct {
+	name      string
+	count     uint32
+	clause    Clause
+	attribute string
+	filter    string
+}
+
+type Replica struct {
+	count    uint32
+	selector string
+
+	ecDataCount   uint32
+	ecParityCount uint32
+}
+
+type Operation uint32
+
+type PlacementPolicy struct {
+	replicas     []Replica
+	backupFactor uint32
+	selectors    []Selector
+	filters      []Filter
+	unique       bool
+}
+
+// Attribute of storage node.
+type Attribute struct {
+	key     string
+	value   string
+	parents []string
+}
+
+// NodeInfo of storage node.
+type NodeInfo struct {
+	publicKey  []byte
+	addresses  []string
+	attributes []Attribute
+	state      NodeState
+}
+
+// NodeState of storage node.
+type NodeState uint32
+
+// Clause of placement selector.
+type Clause uint32
+
+type LocalNodeInfoRequestBody struct{}
+
+type LocalNodeInfoResponseBody struct {
+	version  *refs.Version
+	nodeInfo *NodeInfo
+}
+
+const (
+	UnspecifiedState NodeState = iota
+	Online
+	Offline
+	Maintenance
+)
+
+const (
+	UnspecifiedOperation Operation = iota
+	EQ
+	NE
+	GT
+	GE
+	LT
+	LE
+	OR
+	AND
+	NOT
+	LIKE
+)
+
+const (
+	UnspecifiedClause Clause = iota
+	Same
+	Distinct
+)
+
+func (f *Filter) GetFilters() []Filter {
+	if f != nil {
+		return f.filters
+	}
+
+	return nil
+}
+
+func (f *Filter) SetFilters(filters []Filter) {
+	f.filters = filters
+}
+
+func (f *Filter) GetValue() string {
+	if f != nil {
+		return f.value
+	}
+
+	return ""
+}
+
+func (f *Filter) SetValue(value string) {
+	f.value = value
+}
+
+func (f *Filter) GetOp() Operation {
+	if f != nil {
+		return f.op
+	}
+	return UnspecifiedOperation
+}
+
+func (f *Filter) SetOp(op Operation) {
+	f.op = op
+}
+
+func (f *Filter) GetKey() string {
+	if f != nil {
+		return f.key
+	}
+
+	return ""
+}
+
+func (f *Filter) SetKey(key string) {
+	f.key = key
+}
+
+func (f *Filter) GetName() string {
+	if f != nil {
+		return f.name
+	}
+
+	return ""
+}
+
+func (f *Filter) SetName(name string) {
+	f.name = name
+}
+
+func (s *Selector) GetFilter() string {
+	if s != nil {
+		return s.filter
+	}
+
+	return ""
+}
+
+func (s *Selector) SetFilter(filter string) {
+	s.filter = filter
+}
+
+func (s *Selector) GetAttribute() string {
+	if s != nil {
+		return s.attribute
+	}
+
+	return ""
+}
+
+func (s *Selector) SetAttribute(attribute string) {
+	s.attribute = attribute
+}
+
+func (s *Selector) GetClause() Clause {
+	if s != nil {
+		return s.clause
+	}
+
+	return UnspecifiedClause
+}
+
+func (s *Selector) SetClause(clause Clause) {
+	s.clause = clause
+}
+
+func (s *Selector) GetCount() uint32 {
+	if s != nil {
+		return s.count
+	}
+
+	return 0
+}
+
+func (s *Selector) SetCount(count uint32) {
+	s.count = count
+}
+
+func (s *Selector) GetName() string {
+	if s != nil {
+		return s.name
+	}
+
+	return ""
+}
+
+func (s *Selector) SetName(name string) {
+	s.name = name
+}
+
+func (r *Replica) GetSelector() string {
+	if r != nil {
+		return r.selector
+	}
+
+	return ""
+}
+
+func (r *Replica) SetSelector(selector string) {
+	r.selector = selector
+}
+
+func (r *Replica) GetCount() uint32 {
+	if r != nil {
+		return r.count
+	}
+
+	return 0
+}
+
+func (r *Replica) SetCount(count uint32) {
+	r.count = count
+}
+
+func (r *Replica) GetECDataCount() uint32 {
+	if r != nil {
+		return r.ecDataCount
+	}
+
+	return 0
+}
+
+func (r *Replica) SetECDataCount(count uint32) {
+	r.ecDataCount = count
+}
+
+func (r *Replica) GetECParityCount() uint32 {
+	if r != nil {
+		return r.ecParityCount
+	}
+
+	return 0
+}
+
+func (r *Replica) SetECParityCount(count uint32) {
+	r.ecParityCount = count
+}
+
+func (p *PlacementPolicy) GetUnique() bool {
+	if p != nil {
+		return p.unique
+	}
+	return false
+}
+
+func (p *PlacementPolicy) SetUnique(unique bool) {
+	p.unique = unique
+}
+
+func (p *PlacementPolicy) GetFilters() []Filter {
+	if p != nil {
+		return p.filters
+	}
+
+	return nil
+}
+
+func (p *PlacementPolicy) SetFilters(filters []Filter) {
+	p.filters = filters
+}
+
+func (p *PlacementPolicy) GetSelectors() []Selector {
+	if p != nil {
+		return p.selectors
+	}
+
+	return nil
+}
+
+func (p *PlacementPolicy) SetSelectors(selectors []Selector) {
+	p.selectors = selectors
+}
+
+func (p *PlacementPolicy) GetContainerBackupFactor() uint32 {
+	if p != nil {
+		return p.backupFactor
+	}
+
+	return 0
+}
+
+func (p *PlacementPolicy) SetContainerBackupFactor(backupFactor uint32) {
+	p.backupFactor = backupFactor
+}
+
+func (p *PlacementPolicy) GetReplicas() []Replica {
+	if p == nil {
+		return nil
+	}
+
+	return p.replicas
+}
+
+func (p *PlacementPolicy) SetReplicas(replicas []Replica) {
+	p.replicas = replicas
+}
+
+func (a *Attribute) GetKey() string {
+	if a != nil {
+		return a.key
+	}
+
+	return ""
+}
+
+func (a *Attribute) SetKey(v string) {
+	a.key = v
+}
+
+func (a *Attribute) GetValue() string {
+	if a != nil {
+		return a.value
+	}
+
+	return ""
+}
+
+func (a *Attribute) SetValue(v string) {
+	a.value = v
+}
+
+func (a *Attribute) GetParents() []string {
+	if a != nil {
+		return a.parents
+	}
+
+	return nil
+}
+
+func (a *Attribute) SetParents(parent []string) {
+	a.parents = parent
+}
+
+func (ni *NodeInfo) GetPublicKey() []byte {
+	if ni != nil {
+		return ni.publicKey
+	}
+
+	return nil
+}
+
+func (ni *NodeInfo) SetPublicKey(v []byte) {
+	ni.publicKey = v
+}
+
+// GetAddress returns node's network address.
+//
+// Deprecated: use IterateAddresses.
+func (ni *NodeInfo) GetAddress() (addr string) {
+	ni.IterateAddresses(func(s string) bool {
+		addr = s
+		return true
+	})
+
+	return
+}
+
+// SetAddress sets node's network address.
+//
+// Deprecated: use SetAddresses.
+func (ni *NodeInfo) SetAddress(v string) {
+	ni.SetAddresses(v)
+}
+
+// SetAddresses sets list of network addresses of the node.
+func (ni *NodeInfo) SetAddresses(v ...string) {
+	ni.addresses = v
+}
+
+// NumberOfAddresses returns number of network addresses of the node.
+func (ni *NodeInfo) NumberOfAddresses() int {
+	if ni != nil {
+		return len(ni.addresses)
+	}
+
+	return 0
+}
+
+// IterateAddresses iterates over network addresses of the node.
+// Breaks iteration on f's true return.
+//
+// Handler should not be nil.
+func (ni *NodeInfo) IterateAddresses(f func(string) bool) {
+	if ni != nil {
+		for i := range ni.addresses {
+			if f(ni.addresses[i]) {
+				break
+			}
+		}
+	}
+}
+
+func (ni *NodeInfo) GetAttributes() []Attribute {
+	if ni != nil {
+		return ni.attributes
+	}
+
+	return nil
+}
+
+func (ni *NodeInfo) SetAttributes(v []Attribute) {
+	ni.attributes = v
+}
+
+func (ni *NodeInfo) GetState() NodeState {
+	if ni != nil {
+		return ni.state
+	}
+
+	return UnspecifiedState
+}
+
+func (ni *NodeInfo) SetState(state NodeState) {
+	ni.state = state
+}
+
+func (l *LocalNodeInfoResponseBody) GetVersion() *refs.Version {
+	if l != nil {
+		return l.version
+	}
+
+	return nil
+}
+
+func (l *LocalNodeInfoResponseBody) SetVersion(version *refs.Version) {
+	l.version = version
+}
+
+func (l *LocalNodeInfoResponseBody) GetNodeInfo() *NodeInfo {
+	if l != nil {
+		return l.nodeInfo
+	}
+
+	return nil
+}
+
+func (l *LocalNodeInfoResponseBody) SetNodeInfo(nodeInfo *NodeInfo) {
+	l.nodeInfo = nodeInfo
+}
+
+func (l *LocalNodeInfoRequest) GetBody() *LocalNodeInfoRequestBody {
+	if l != nil {
+		return l.body
+	}
+	return nil
+}
+
+func (l *LocalNodeInfoRequest) SetBody(body *LocalNodeInfoRequestBody) {
+	l.body = body
+}
+
+func (l *LocalNodeInfoResponse) GetBody() *LocalNodeInfoResponseBody {
+	if l != nil {
+		return l.body
+	}
+	return nil
+}
+
+func (l *LocalNodeInfoResponse) SetBody(body *LocalNodeInfoResponseBody) {
+	l.body = body
+}
+
+// NetworkParameter represents NeoFS network parameter.
+type NetworkParameter struct {
+	k, v []byte
+}
+
+// GetKey returns parameter key.
+func (x *NetworkParameter) GetKey() []byte {
+	if x != nil {
+		return x.k
+	}
+
+	return nil
+}
+
+// SetKey sets parameter key.
+func (x *NetworkParameter) SetKey(k []byte) {
+	x.k = k
+}
+
+// GetValue returns parameter value.
+func (x *NetworkParameter) GetValue() []byte {
+	if x != nil {
+		return x.v
+	}
+
+	return nil
+}
+
+// SetValue sets parameter value.
+func (x *NetworkParameter) SetValue(v []byte) {
+	x.v = v
+}
+
+// NetworkConfig represents NeoFS network configuration.
+type NetworkConfig struct {
+	ps []NetworkParameter
+}
+
+// NumberOfParameters returns number of network parameters.
+func (x *NetworkConfig) NumberOfParameters() int {
+	if x != nil {
+		return len(x.ps)
+	}
+
+	return 0
+}
+
+// IterateParameters iterates over network parameters.
+// Breaks iteration on f's true return.
+//
+// Handler must not be nil.
+func (x *NetworkConfig) IterateParameters(f func(*NetworkParameter) bool) {
+	if x != nil {
+		for i := range x.ps {
+			if f(&x.ps[i]) {
+				break
+			}
+		}
+	}
+}
+
+// SetParameters sets list of network parameters.
+func (x *NetworkConfig) SetParameters(v ...NetworkParameter) {
+	x.ps = v
+}
+
+// NetworkInfo groups information about
+// NeoFS network.
+type NetworkInfo struct {
+	curEpoch, magicNum uint64
+
+	msPerBlock int64
+
+	netCfg *NetworkConfig
+}
+
+// GetCurrentEpoch returns number of the current epoch.
+func (i *NetworkInfo) GetCurrentEpoch() uint64 {
+	if i != nil {
+		return i.curEpoch
+	}
+
+	return 0
+}
+
+// SetCurrentEpoch sets number of the current epoch.
+func (i *NetworkInfo) SetCurrentEpoch(epoch uint64) {
+	i.curEpoch = epoch
+}
+
+// GetMagicNumber returns magic number of the sidechain.
+func (i *NetworkInfo) GetMagicNumber() uint64 {
+	if i != nil {
+		return i.magicNum
+	}
+
+	return 0
+}
+
+// SetMagicNumber sets magic number of the sidechain.
+func (i *NetworkInfo) SetMagicNumber(magic uint64) {
+	i.magicNum = magic
+}
+
+// GetMsPerBlock returns MillisecondsPerBlock network parameter.
+func (i *NetworkInfo) GetMsPerBlock() int64 {
+	if i != nil {
+		return i.msPerBlock
+	}
+
+	return 0
+}
+
+// SetMsPerBlock sets MillisecondsPerBlock network parameter.
+func (i *NetworkInfo) SetMsPerBlock(v int64) {
+	i.msPerBlock = v
+}
+
+// GetNetworkConfig returns NeoFS network configuration.
+func (i *NetworkInfo) GetNetworkConfig() *NetworkConfig {
+	if i != nil {
+		return i.netCfg
+	}
+
+	return nil
+}
+
+// SetNetworkConfig sets NeoFS network configuration.
+func (i *NetworkInfo) SetNetworkConfig(v *NetworkConfig) {
+	i.netCfg = v
+}
+
+// NetworkInfoRequestBody is a structure of NetworkInfo request body.
+type NetworkInfoRequestBody struct{}
+
+// NetworkInfoResponseBody is a structure of NetworkInfo response body.
+type NetworkInfoResponseBody struct {
+	netInfo *NetworkInfo
+}
+
+// GetNetworkInfo returns information about the NeoFS network.
+func (i *NetworkInfoResponseBody) GetNetworkInfo() *NetworkInfo {
+	if i != nil {
+		return i.netInfo
+	}
+
+	return nil
+}
+
+// SetNetworkInfo sets information about the NeoFS network.
+func (i *NetworkInfoResponseBody) SetNetworkInfo(netInfo *NetworkInfo) {
+	i.netInfo = netInfo
+}
+
+func (l *NetworkInfoRequest) GetBody() *NetworkInfoRequestBody {
+	if l != nil {
+		return l.body
+	}
+	return nil
+}
+
+func (l *NetworkInfoRequest) SetBody(body *NetworkInfoRequestBody) {
+	l.body = body
+}
+
+func (l *NetworkInfoResponse) GetBody() *NetworkInfoResponseBody {
+	if l != nil {
+		return l.body
+	}
+	return nil
+}
+
+func (l *NetworkInfoResponse) SetBody(body *NetworkInfoResponseBody) {
+	l.body = body
+}
+
+// NetMap represents structure of NeoFS network map.
+type NetMap struct {
+	epoch uint64
+
+	nodes []NodeInfo
+}
+
+// Epoch returns revision number of the NetMap.
+func (x *NetMap) Epoch() uint64 {
+	if x != nil {
+		return x.epoch
+	}
+
+	return 0
+}
+
+// SetEpoch sets revision number of the NetMap.
+func (x *NetMap) SetEpoch(v uint64) {
+	x.epoch = v
+}
+
+// Nodes returns nodes presented in the NetMap.
+func (x *NetMap) Nodes() []NodeInfo {
+	if x != nil {
+		return x.nodes
+	}
+
+	return nil
+}
+
+// SetNodes sets nodes presented in the NetMap.
+func (x *NetMap) SetNodes(v []NodeInfo) {
+	x.nodes = v
+}
+
+// SnapshotRequestBody represents structure of Snapshot request body.
+type SnapshotRequestBody struct{}
+
+// SnapshotRequest represents structure of Snapshot request.
+type SnapshotRequest struct {
+	body *SnapshotRequestBody
+
+	session.RequestHeaders
+}
+
+func (x *SnapshotRequest) GetBody() *SnapshotRequestBody {
+	if x != nil {
+		return x.body
+	}
+
+	return nil
+}
+
+func (x *SnapshotRequest) SetBody(body *SnapshotRequestBody) {
+	x.body = body
+}
+
+// SnapshotResponseBody represents structure of Snapshot response body.
+type SnapshotResponseBody struct {
+	netMap *NetMap
+}
+
+// NetMap returns current NetMap.
+func (x *SnapshotResponseBody) NetMap() *NetMap {
+	if x != nil {
+		return x.netMap
+	}
+
+	return nil
+}
+
+// SetNetMap sets current NetMap.
+func (x *SnapshotResponseBody) SetNetMap(netMap *NetMap) {
+	x.netMap = netMap
+}
+
+// SnapshotResponse represents structure of Snapshot response.
+type SnapshotResponse struct {
+	body *SnapshotResponseBody
+
+	session.ResponseHeaders
+}
+
+func (x *SnapshotResponse) GetBody() *SnapshotResponseBody {
+	if x != nil {
+		return x.body
+	}
+
+	return nil
+}
+
+func (x *SnapshotResponse) SetBody(body *SnapshotResponseBody) {
+	x.body = body
+}

api/object/attributes.go

@@ -0,0 +1,187 @@
+package object
+
+import (
+	"errors"
+	"fmt"
+	"strconv"
+)
+
+// SysAttributePrefix is a prefix of key to system attribute.
+const SysAttributePrefix = "__SYSTEM__"
+
+const (
+	// SysAttributeUploadID marks smaller parts of a split bigger object.
+	SysAttributeUploadID = SysAttributePrefix + "UPLOAD_ID"
+
+	// SysAttributeExpEpoch tells GC to delete object after that epoch.
+	SysAttributeExpEpoch = SysAttributePrefix + "EXPIRATION_EPOCH"
+
+	// SysAttributeTickEpoch defines what epoch must produce object
+	// notification.
+	SysAttributeTickEpoch = SysAttributePrefix + "TICK_EPOCH"
+
+	// SysAttributeTickTopic defines what topic object notification
+	// must be sent to.
+	SysAttributeTickTopic = SysAttributePrefix + "TICK_TOPIC"
+)
+
+// SysAttributePrefixNeoFS is a prefix of key to system attribute.
+// Deprecated: use SysAttributePrefix.
+const SysAttributePrefixNeoFS = "__NEOFS__"
+
+const (
+	// SysAttributeUploadIDNeoFS marks smaller parts of a split bigger object.
+	// Deprecated: use SysAttributeUploadID.
+	SysAttributeUploadIDNeoFS = SysAttributePrefixNeoFS + "UPLOAD_ID"
+
+	// SysAttributeExpEpochNeoFS tells GC to delete object after that epoch.
+	// Deprecated: use SysAttributeExpEpoch.
+	SysAttributeExpEpochNeoFS = SysAttributePrefixNeoFS + "EXPIRATION_EPOCH"
+
+	// SysAttributeTickEpochNeoFS defines what epoch must produce object
+	// notification.
+	// Deprecated: use SysAttributeTickEpoch.
+	SysAttributeTickEpochNeoFS = SysAttributePrefixNeoFS + "TICK_EPOCH"
+
+	// SysAttributeTickTopicNeoFS defines what topic object notification
+	// must be sent to.
+	// Deprecated: use SysAttributeTickTopic.
+	SysAttributeTickTopicNeoFS = SysAttributePrefixNeoFS + "TICK_TOPIC"
+)
+
+// NotificationInfo groups information about object notification
+// that can be written to object.
+//
+// Topic is an optional field.
+type NotificationInfo struct {
+	epoch uint64
+	topic string
+}
+
+// Epoch returns object notification tick
+// epoch.
+func (n NotificationInfo) Epoch() uint64 {
+	return n.epoch
+}
+
+// SetEpoch sets object notification tick
+// epoch.
+func (n *NotificationInfo) SetEpoch(epoch uint64) {
+	n.epoch = epoch
+}
+
+// Topic return optional object notification
+// topic.
+func (n NotificationInfo) Topic() string {
+	return n.topic
+}
+
+// SetTopic sets optional object notification
+// topic.
+func (n *NotificationInfo) SetTopic(topic string) {
+	n.topic = topic
+}
+
+// WriteNotificationInfo writes NotificationInfo to the Object via attributes. Object must not be nil.
+//
+// Existing notification attributes are expected to be key-unique, otherwise undefined behavior.
+func WriteNotificationInfo(o *Object, ni NotificationInfo) {
+	h := o.GetHeader()
+	if h == nil {
+		h = new(Header)
+		o.SetHeader(h)
+	}
+
+	var (
+		attrs = h.GetAttributes()
+
+		epoch = strconv.FormatUint(ni.Epoch(), 10)
+		topic = ni.Topic()
+
+		changedEpoch bool
+		changedTopic bool
+		deleteIndex  = -1
+	)
+
+	for i := range attrs {
+		switch attrs[i].GetKey() {
+		case SysAttributeTickEpoch, SysAttributeTickEpochNeoFS:
+			attrs[i].SetValue(epoch)
+			changedEpoch = true
+		case SysAttributeTickTopic, SysAttributeTickTopicNeoFS:
+			changedTopic = true
+
+			if topic == "" {
+				deleteIndex = i
+				break
+			}
+
+			attrs[i].SetValue(topic)
+		}
+
+		if changedEpoch && changedTopic {
+			break
+		}
+	}
+
+	if deleteIndex != -1 {
+		// approach without allocation/waste
+		// coping works since the attributes
+		// order is not important
+		attrs[deleteIndex] = attrs[len(attrs)-1]
+		attrs = attrs[:len(attrs)-1]
+	}
+
+	if !changedEpoch {
+		index := len(attrs)
+		attrs = append(attrs, Attribute{})
+		attrs[index].SetKey(SysAttributeTickEpoch)
+		attrs[index].SetValue(epoch)
+	}
+
+	if !changedTopic && topic != "" {
+		index := len(attrs)
+		attrs = append(attrs, Attribute{})
+		attrs[index].SetKey(SysAttributeTickTopic)
+		attrs[index].SetValue(topic)
+	}
+
+	h.SetAttributes(attrs)
+}
+
+// ErrNotificationNotSet means that object does not have notification.
+var ErrNotificationNotSet = errors.New("notification for object is not set")
+
+// GetNotificationInfo looks for object notification attributes. Object must not be nil.
+// Returns ErrNotificationNotSet if no corresponding attributes
+// were found.
+//
+// Existing notification attributes are expected to be key-unique, otherwise undefined behavior.
+func GetNotificationInfo(o *Object) (*NotificationInfo, error) {
+	var (
+		foundEpoch bool
+		ni         = new(NotificationInfo)
+	)
+
+	for _, attr := range o.GetHeader().GetAttributes() {
+		switch key := attr.GetKey(); key {
+		case SysAttributeTickEpoch, SysAttributeTickEpochNeoFS:
+			epoch, err := strconv.ParseUint(attr.GetValue(), 10, 64)
+			if err != nil {
+				return nil, fmt.Errorf("could not parse epoch: %w", err)
+			}
+
+			ni.SetEpoch(epoch)
+
+			foundEpoch = true
+		case SysAttributeTickTopic, SysAttributeTickTopicNeoFS:
+			ni.SetTopic(attr.GetValue())
+		}
+	}
+
+	if !foundEpoch {
+		return nil, ErrNotificationNotSet
+	}
+
+	return ni, nil
+}