Merge branch 'release/1.3.0'

CHANGELOG.md

@@ -1,6 +1,14 @@
 # Changelog
 This is the changelog for NeoFS-API-Go
 
+## [1.3.0] - 2020-07-23
+
+### Changed
+
+- Format of ```refs.OwnerID``` based on NEO3.
+- Binary format of extended ACL table.
+- ```acl``` package structure.
+
 ## [1.2.0] - 2020-07-08
 
 ### Added
@@ -375,3 +383,4 @@ Initial public release
 [1.0.0]: https://github.com/nspcc-dev/neofs-api-go/compare/v0.7.6...v1.0.0
 [1.1.0]: https://github.com/nspcc-dev/neofs-api-go/compare/v1.0.0...v1.1.0
 [1.2.0]: https://github.com/nspcc-dev/neofs-api-go/compare/v1.1.0...v1.2.0
+[1.3.0]: https://github.com/nspcc-dev/neofs-api-go/compare/v1.2.0...v1.3.0

README.md

@@ -21,6 +21,9 @@ can be used for integration with NeoFS.
 [neofs-api-go v1.2.0]: https://github.com/nspcc-dev/neofs-api-go/releases/tag/v1.2.0
 * [neofs-api-go v1.2.0] supports [neofs-api v1.2.0]
 
+[neofs-api-go v1.3.0]: https://github.com/nspcc-dev/neofs-api-go/releases/tag/v1.3.0
+* [neofs-api-go v1.3.0] supports [neofs-api v1.2.0]
+
 ## Description
 
 Repository contains 13 packages that implement NeoFS core structures. These

acl/extended/enum.go

@@ -0,0 +1,126 @@
+package eacl
+
+const (
+	// MatchUnknown is a MatchType value used to mark value as undefined.
+	// Most of the tools consider MatchUnknown as incalculable.
+	// Using MatchUnknown in HeaderFilter is unsafe.
+	MatchUnknown MatchType = iota
+
+	// StringEqual is a MatchType of string equality.
+	StringEqual
+
+	// StringNotEqual is a MatchType of string inequality.
+	StringNotEqual
+)
+
+const (
+	// ActionUnknown is Action used to mark value as undefined.
+	// Most of the tools consider ActionUnknown as incalculable.
+	// Using ActionUnknown in Record is unsafe.
+	ActionUnknown Action = iota
+
+	// ActionAllow is Action used to mark an applicability of ACL rule.
+	ActionAllow
+
+	// ActionDeny is Action used to mark an inapplicability of ACL rule.
+	ActionDeny
+)
+
+const (
+	// GroupUnknown is a Group value used to mark value as undefined.
+	// Most of the tools consider GroupUnknown as incalculable.
+	// Using GroupUnknown in Target is unsafe.
+	GroupUnknown Group = iota
+
+	// GroupUser is a Group value for User access group.
+	GroupUser
+
+	// GroupSystem is a Group value for System access group.
+	GroupSystem
+
+	// GroupOthers is a Group value for Others access group.
+	GroupOthers
+)
+
+const (
+	// HdrTypeUnknown is a HeaderType value used to mark value as undefined.
+	// Most of the tools consider HdrTypeUnknown as incalculable.
+	// Using HdrTypeUnknown in HeaderFilter is unsafe.
+	HdrTypeUnknown HeaderType = iota
+
+	// HdrTypeRequest is a HeaderType for request header.
+	HdrTypeRequest
+
+	// HdrTypeObjSys is a HeaderType for system headers of object.
+	HdrTypeObjSys
+
+	// HdrTypeObjUsr is a HeaderType for user headers of object.
+	HdrTypeObjUsr
+)
+
+const (
+	// OpTypeUnknown is a OperationType value used to mark value as undefined.
+	// Most of the tools consider OpTypeUnknown as incalculable.
+	// Using OpTypeUnknown in Record is unsafe.
+	OpTypeUnknown OperationType = iota
+
+	// OpTypeGet is an OperationType for object.Get RPC
+	OpTypeGet
+
+	// OpTypePut is an OperationType for object.Put RPC
+	OpTypePut
+
+	// OpTypeHead is an OperationType for object.Head RPC
+	OpTypeHead
+
+	// OpTypeSearch is an OperationType for object.Search RPC
+	OpTypeSearch
+
+	// OpTypeDelete is an OperationType for object.Delete RPC
+	OpTypeDelete
+
+	// OpTypeRange is an OperationType for object.GetRange RPC
+	OpTypeRange
+
+	// OpTypeRangeHash is an OperationType for object.GetRangeHash RPC
+	OpTypeRangeHash
+)
+
+const (
+	// HdrObjSysNameID is a name of ID field in system header of object.
+	HdrObjSysNameID = "ID"
+
+	// HdrObjSysNameCID is a name of CID field in system header of object.
+	HdrObjSysNameCID = "CID"
+
+	// HdrObjSysNameOwnerID is a name of OwnerID field in system header of object.
+	HdrObjSysNameOwnerID = "OWNER_ID"
+
+	// HdrObjSysNameVersion is a name of Version field in system header of object.
+	HdrObjSysNameVersion = "VERSION"
+
+	// HdrObjSysNamePayloadLength is a name of PayloadLength field in system header of object.
+	HdrObjSysNamePayloadLength = "PAYLOAD_LENGTH"
+
+	// HdrObjSysNameCreatedUnix is a name of CreatedAt.UnitTime field in system header of object.
+	HdrObjSysNameCreatedUnix = "CREATED_UNIX"
+
+	// HdrObjSysNameCreatedEpoch is a name of CreatedAt.Epoch field in system header of object.
+	HdrObjSysNameCreatedEpoch = "CREATED_EPOCH"
+
+	// HdrObjSysLinkPrev is a name of previous link header in extended headers of object.
+	HdrObjSysLinkPrev = "LINK_PREV"
+
+	// HdrObjSysLinkNext is a name of next link header in extended headers of object.
+	HdrObjSysLinkNext = "LINK_NEXT"
+
+	// HdrObjSysLinkChild is a name of child link header in extended headers of object.
+	HdrObjSysLinkChild = "LINK_CHILD"
+
+	// HdrObjSysLinkPar is a name of parent link header in extended headers of object.
+	HdrObjSysLinkPar = "LINK_PAR"
+
+	// HdrObjSysLinkSG is a name of storage group link header in extended headers of object.
+	HdrObjSysLinkSG = "LINK_SG"
+)
+

acl/extended/marshal.go

@@ -0,0 +1,333 @@
+package eacl
+
+import (
+	"encoding/binary"
+
+	"github.com/pkg/errors"
+)
+
+const (
+	sliceLenSize  = 2 // uint16 for len()
+	actionSize    = 4 // uint32
+	opTypeSize    = 4 // uint32
+	hdrTypeSize   = 4 // uint32
+	matchTypeSize = 4 // uint32
+	targetSize    = 4 // uint32
+)
+
+// MarshalTable encodes Table into a
+// binary form and returns the result.
+//
+// If table is nil, empty slice is returned.
+func MarshalTable(table Table) []byte {
+	if table == nil {
+		return make([]byte, 0)
+	}
+
+	// allocate buffer
+	buf := make([]byte, tableBinSize(table))
+
+	records := table.Records()
+
+	// write record number
+	binary.BigEndian.PutUint16(buf, uint16(len(records)))
+	off := sliceLenSize
+
+	// write all records
+	for _, record := range records {
+		// write action
+		binary.BigEndian.PutUint32(buf[off:], uint32(record.Action()))
+		off += actionSize
+
+		// write operation type
+		binary.BigEndian.PutUint32(buf[off:], uint32(record.OperationType()))
+		off += actionSize
+
+		filters := record.HeaderFilters()
+
+		// write filter number
+		binary.BigEndian.PutUint16(buf[off:], uint16(len(filters)))
+		off += sliceLenSize
+
+		// write all filters
+		for _, filter := range filters {
+			// write header type
+			binary.BigEndian.PutUint32(buf[off:], uint32(filter.HeaderType()))
+			off += hdrTypeSize
+
+			// write match type
+			binary.BigEndian.PutUint32(buf[off:], uint32(filter.MatchType()))
+			off += matchTypeSize
+
+			// write header name size
+			name := []byte(filter.Name())
+			binary.BigEndian.PutUint16(buf[off:], uint16(len(name)))
+			off += sliceLenSize
+
+			// write header name bytes
+			off += copy(buf[off:], name)
+
+			// write header value size
+			val := []byte(filter.Value())
+			binary.BigEndian.PutUint16(buf[off:], uint16(len(val)))
+			off += sliceLenSize
+
+			// write header value bytes
+			off += copy(buf[off:], val)
+		}
+
+		targets := record.TargetList()
+
+		// write target number
+		binary.BigEndian.PutUint16(buf[off:], uint16(len(targets)))
+		off += sliceLenSize
+
+		// write all targets
+		for _, target := range targets {
+			// write target group
+			binary.BigEndian.PutUint32(buf[off:], uint32(target.Group()))
+			off += targetSize
+
+			keys := target.KeyList()
+
+			// write key number
+			binary.BigEndian.PutUint16(buf[off:], uint16(len(keys)))
+			off += sliceLenSize
+
+			// write keys
+			for i := range keys {
+				// write key size
+				binary.BigEndian.PutUint16(buf[off:], uint16(len(keys[i])))
+				off += sliceLenSize
+
+				// write key bytes
+				off += copy(buf[off:], keys[i])
+			}
+		}
+	}
+
+	return buf
+}
+
+// returns the size of Table in a binary format.
+func tableBinSize(table Table) (sz int) {
+	sz = sliceLenSize // number of records
+
+	records := table.Records()
+	ln := len(records)
+
+	sz += ln * actionSize // action type of each record
+	sz += ln * opTypeSize // operation type of each record
+
+	for _, record := range records {
+		sz += sliceLenSize // number of filters
+
+		filters := record.HeaderFilters()
+		ln := len(filters)
+
+		sz += ln * hdrTypeSize   // header type of each filter
+		sz += ln * matchTypeSize // match type of each filter
+
+		for _, filter := range filters {
+			sz += sliceLenSize       // header name size
+			sz += len(filter.Name()) // header name bytes
+
+			sz += sliceLenSize        // header value size
+			sz += len(filter.Value()) // header value bytes
+		}
+
+		sz += sliceLenSize // number of targets
+
+		targets := record.TargetList()
+		ln = len(targets)
+
+		sz += ln * targetSize // target group of each target
+
+		for _, target := range targets {
+			sz += sliceLenSize // number of keys
+
+			for _, key := range target.KeyList() {
+				sz += sliceLenSize // key size
+				sz += len(key)     // key bytes
+			}
+		}
+	}
+
+	return
+}
+
+// UnmarshalTable unmarshals Table from
+// a binary representation.
+//
+// If data is empty, table w/o records is returned.
+func UnmarshalTable(data []byte) (Table, error) {
+	table := WrapTable(nil)
+
+	if len(data) == 0 {
+		return table, nil
+	}
+
+	// decode record number
+	if len(data) < sliceLenSize {
+		return nil, errors.New("could not decode record number")
+	}
+
+	recordNum := binary.BigEndian.Uint16(data)
+	records := make([]Record, 0, recordNum)
+
+	off := sliceLenSize
+
+	// decode all records one by one
+	for i := uint16(0); i < recordNum; i++ {
+		record := WrapRecord(nil)
+
+		// decode action
+		if len(data[off:]) < actionSize {
+			return nil, errors.Errorf("could not decode action of record #%d", i)
+		}
+
+		record.SetAction(Action(binary.BigEndian.Uint32(data[off:])))
+		off += actionSize
+
+		// decode operation type
+		if len(data[off:]) < opTypeSize {
+			return nil, errors.Errorf("could not decode operation type of record #%d", i)
+		}
+
+		record.SetOperationType(OperationType(binary.BigEndian.Uint32(data[off:])))
+		off += opTypeSize
+
+		// decode filter number
+		if len(data[off:]) < sliceLenSize {
+			return nil, errors.Errorf("could not decode filter number of record #%d", i)
+		}
+
+		filterNum := binary.BigEndian.Uint16(data[off:])
+		off += sliceLenSize
+		filters := make([]HeaderFilter, 0, filterNum)
+
+		// decode filters one by one
+		for j := uint16(0); j < filterNum; j++ {
+			filter := WrapFilterInfo(nil)
+
+			// decode header type
+			if len(data[off:]) < hdrTypeSize {
+				return nil, errors.Errorf("could not decode header type of filter #%d of record #%d", j, i)
+			}
+
+			filter.SetHeaderType(HeaderType(binary.BigEndian.Uint32(data[off:])) )
+			off += hdrTypeSize
+
+			// decode match type
+			if len(data[off:]) < matchTypeSize {
+				return nil, errors.Errorf("could not decode match type of filter #%d of record #%d", j, i)
+			}
+
+			filter.SetMatchType(MatchType(binary.BigEndian.Uint32(data[off:])) )
+			off += matchTypeSize
+
+			// decode header name size
+			if len(data[off:]) < sliceLenSize {
+				return nil, errors.Errorf("could not decode header name size of filter #%d of record #%d", j, i)
+			}
+
+			hdrNameSize := int(binary.BigEndian.Uint16(data[off:]))
+			off += sliceLenSize
+
+			// decode header name
+			if len(data[off:]) < hdrNameSize {
+				return nil, errors.Errorf("could not decode header name of filter #%d of record #%d", j, i)
+			}
+
+			filter.SetName(string(data[off : off+hdrNameSize]))
+
+			off += hdrNameSize
+
+			// decode header value size
+			if len(data[off:]) < sliceLenSize {
+				return nil, errors.Errorf("could not decode header value size of filter #%d of record #%d", j, i)
+			}
+
+			hdrValSize := int(binary.BigEndian.Uint16(data[off:]))
+			off += sliceLenSize
+
+			// decode header value
+			if len(data[off:]) < hdrValSize {
+				return nil, errors.Errorf("could not decode header value of filter #%d of record #%d", j, i)
+			}
+
+			filter.SetValue(string(data[off : off+hdrValSize]))
+
+			off += hdrValSize
+
+			filters = append(filters, filter)
+		}
+
+		record.SetHeaderFilters(filters)
+
+		// decode target number
+		if len(data[off:]) < sliceLenSize {
+			return nil, errors.Errorf("could not decode target number of record #%d", i)
+		}
+
+		targetNum := int(binary.BigEndian.Uint16(data[off:]))
+		off += sliceLenSize
+
+		targets := make([]Target, 0, targetNum)
+
+		// decode targets one by one
+		for j := 0; j < targetNum; j++ {
+			target := WrapTarget(nil)
+
+			// decode target group
+			if len(data[off:]) < targetSize {
+				return nil, errors.Errorf("could not decode target group of target #%d of record #%d", j, i)
+			}
+
+			target.SetGroup(				Group(binary.BigEndian.Uint32(data[off:])),				)
+			off += targetSize
+
+			// decode key number
+			if len(data[off:]) < sliceLenSize {
+				return nil, errors.Errorf("could not decode key number of target #%d of record #%d", j, i)
+			}
+
+			keyNum := int(binary.BigEndian.Uint16(data[off:]))
+			off += sliceLenSize
+			keys := make([][]byte, 0, keyNum)
+
+			for k := 0; k < keyNum; k++ {
+				// decode key size
+				if len(data[off:]) < sliceLenSize {
+					return nil, errors.Errorf("could not decode size of key #%d target #%d of record #%d", k, j, i)
+				}
+
+				keySz := int(binary.BigEndian.Uint16(data[off:]))
+				off += sliceLenSize
+
+				// decode key
+				if len(data[off:]) < keySz {
+					return nil, errors.Errorf("could not decode key #%d target #%d of record #%d", k, j, i)
+				}
+
+				key := make([]byte, keySz)
+
+				off += copy(key, data[off:off+keySz])
+
+				keys = append(keys, key)
+			}
+
+			target.SetKeyList(keys)
+
+			targets = append(targets, target)
+		}
+
+		record.SetTargetList(targets)
+
+		records = append(records, record)
+	}
+
+	table.SetRecords(records)
+
+	return table, nil
+}

acl/extended/types.go

@@ -1,4 +1,4 @@
-package acl
+package eacl
 
 // OperationType is an enumeration of operation types for extended ACL.
 type OperationType uint32
@@ -9,8 +9,11 @@ type HeaderType uint32
 // MatchType is an enumeration of match types for extended ACL.
 type MatchType uint32
 
-// ExtendedACLAction is an enumeration of extended ACL actions.
+// Action is an enumeration of extended ACL actions.
-type ExtendedACLAction uint32
+type Action uint32
+
+// Group is an enumeration of access groups.
+type Group uint32
 
 // Header is an interface of string key-value pair,
 type Header interface {
@@ -37,17 +40,17 @@ type HeaderFilter interface {
 	TypedHeader
 }
 
-// ExtendedACLTarget is an interface of grouped information about extended ACL rule target.
+// Target is an interface of grouped information about extended ACL rule target.
-type ExtendedACLTarget interface {
+type Target interface {
 	// Must return ACL target type.
-	Target() Target
+	Group() Group
 
 	// Must return public key list of ACL targets.
 	KeyList() [][]byte
 }
 
-// ExtendedACLRecord is an interface of record of extended ACL rule table.
+// Record is an interface of record of extended ACL rule table.
-type ExtendedACLRecord interface {
+type Record interface {
 	// Must return operation type of extended ACL rule.
 	OperationType() OperationType
 
@@ -55,39 +58,16 @@ type ExtendedACLRecord interface {
 	HeaderFilters() []HeaderFilter
 
 	// Must return target list of extended ACL rule.
-	TargetList() []ExtendedACLTarget
+	TargetList() []Target
 
 	// Must return action of extended ACL rule.
-	Action() ExtendedACLAction
+	Action() Action
 }
 
-// ExtendedACLTable is an interface of extended ACL table.
+// Table is an interface of extended ACL table.
-type ExtendedACLTable interface {
+type Table interface {
 	// Must return list of extended ACL rules.
-	Records() []ExtendedACLRecord
+	Records() []Record
 }
 
-const (
-	_ OperationType = iota
 
-	// OpTypeGet is an OperationType for object.Get RPC
-	OpTypeGet
-
-	// OpTypePut is an OperationType for object.Put RPC
-	OpTypePut
-
-	// OpTypeHead is an OperationType for object.Head RPC
-	OpTypeHead
-
-	// OpTypeSearch is an OperationType for object.Search RPC
-	OpTypeSearch
-
-	// OpTypeDelete is an OperationType for object.Delete RPC
-	OpTypeDelete
-
-	// OpTypeRange is an OperationType for object.GetRange RPC
-	OpTypeRange
-
-	// OpTypeRangeHash is an OperationType for object.GetRangeHash RPC
-	OpTypeRangeHash
-)

acl/extended/wrappers.go

@@ -0,0 +1,528 @@
+package eacl
+
+import (
+	"github.com/nspcc-dev/neofs-api-go/acl"
+)
+
+// FilterWrapper is a wrapper over acl.EACLRecord_FilterInfo pointer.
+type FilterWrapper struct {
+	filter *acl.EACLRecord_FilterInfo
+}
+
+// TargetWrapper is a wrapper over acl.EACLRecord_TargetInfo pointer.
+type TargetWrapper struct {
+	target *acl.EACLRecord_TargetInfo
+}
+
+// RecordWrapper is a wrapper over acl.EACLRecord pointer.
+type RecordWrapper struct {
+	record *acl.EACLRecord
+}
+
+// TableWrapper is a wrapper over acl.EACLTable pointer.
+type TableWrapper struct {
+	table *acl.EACLTable
+}
+
+// WrapFilterInfo wraps EACLRecord_FilterInfo pointer.
+//
+// If argument is nil, new EACLRecord_FilterInfo is initialized.
+func WrapFilterInfo(v *acl.EACLRecord_FilterInfo) FilterWrapper {
+	if v == nil {
+		v = new(acl.EACLRecord_FilterInfo)
+	}
+
+	return FilterWrapper{
+		filter: v,
+	}
+}
+
+// WrapTarget wraps EACLRecord_TargetInfo pointer.
+//
+// If argument is nil, new EACLRecord_TargetInfo is initialized.
+func WrapTarget(v *acl.EACLRecord_TargetInfo) TargetWrapper {
+	if v == nil {
+		v = new(acl.EACLRecord_TargetInfo)
+	}
+
+	return TargetWrapper{
+		target: v,
+	}
+}
+
+// WrapRecord wraps EACLRecord pointer.
+//
+// If argument is nil, new EACLRecord is initialized.
+func WrapRecord(v *acl.EACLRecord) RecordWrapper {
+	if v == nil {
+		v = new(acl.EACLRecord)
+	}
+
+	return RecordWrapper{
+		record: v,
+	}
+}
+
+// WrapTable wraps EACLTable pointer.
+//
+// If argument is nil, new EACLTable is initialized.
+func WrapTable(v *acl.EACLTable) TableWrapper {
+	if v == nil {
+		v = new(acl.EACLTable)
+	}
+
+	return TableWrapper{
+		table: v,
+	}
+}
+
+// MatchType returns the match type of the filter.
+//
+// If filter is not initialized, 0 returns.
+//
+// Returns 0 if MatchType is not one of:
+//  - EACLRecord_FilterInfo_StringEqual;
+//  - EACLRecord_FilterInfo_StringNotEqual.
+func (s FilterWrapper) MatchType() (res MatchType) {
+	if s.filter != nil {
+		switch s.filter.GetMatchType() {
+		case acl.EACLRecord_FilterInfo_StringEqual:
+			res = StringEqual
+		case acl.EACLRecord_FilterInfo_StringNotEqual:
+			res = StringNotEqual
+		}
+	}
+
+	return
+}
+
+// SetMatchType sets the match type of the filter.
+//
+// If filter is not initialized, nothing changes.
+//
+// MatchType is set to EACLRecord_FilterInfo_MatchUnknown if argument is not one of:
+//  - StringEqual;
+//  - StringNotEqual.
+func (s FilterWrapper) SetMatchType(v MatchType) {
+	if s.filter != nil {
+		switch v {
+		case StringEqual:
+			s.filter.SetMatchType(acl.EACLRecord_FilterInfo_StringEqual)
+		case StringNotEqual:
+			s.filter.SetMatchType(acl.EACLRecord_FilterInfo_StringNotEqual)
+		default:
+			s.filter.SetMatchType(acl.EACLRecord_FilterInfo_MatchUnknown)
+		}
+	}
+}
+
+// Name returns the name of filtering header.
+//
+// If filter is not initialized, empty string returns.
+func (s FilterWrapper) Name() string {
+	if s.filter == nil {
+		return ""
+	}
+
+	return s.filter.GetHeaderName()
+}
+
+// SetName sets the name of the filtering header.
+//
+// If filter is not initialized, nothing changes.
+func (s FilterWrapper) SetName(v string) {
+	if s.filter != nil {
+		s.filter.SetHeaderName(v)
+	}
+}
+
+// Value returns the value of filtering header.
+//
+// If filter is not initialized, empty string returns.
+func (s FilterWrapper) Value() string {
+	if s.filter == nil {
+		return ""
+	}
+
+	return s.filter.GetHeaderVal()
+}
+
+// SetValue sets the value of filtering header.
+//
+// If filter is not initialized, nothing changes.
+func (s FilterWrapper) SetValue(v string) {
+	if s.filter != nil {
+		s.filter.SetHeaderVal(v)
+	}
+}
+
+// HeaderType returns the header type of the filter.
+//
+// If filter is not initialized, HdrTypeUnknown returns.
+//
+// Returns HdrTypeUnknown if Header is not one of:
+//  - EACLRecord_FilterInfo_Request;
+//  - EACLRecord_FilterInfo_ObjectSystem;
+//  - EACLRecord_FilterInfo_ObjectUser.
+func (s FilterWrapper) HeaderType() (res HeaderType) {
+	res = HdrTypeUnknown
+
+	if s.filter != nil {
+		switch s.filter.GetHeader() {
+		case acl.EACLRecord_FilterInfo_Request:
+			res = HdrTypeRequest
+		case acl.EACLRecord_FilterInfo_ObjectSystem:
+			res = HdrTypeObjSys
+		case acl.EACLRecord_FilterInfo_ObjectUser:
+			res = HdrTypeObjUsr
+		}
+	}
+
+	return
+}
+
+// SetHeaderType sets the header type of the filter.
+//
+// If filter is not initialized, nothing changes.
+//
+// Header is set to EACLRecord_FilterInfo_HeaderUnknown if argument is not one of:
+//  - HdrTypeRequest;
+//  - HdrTypeObjSys;
+//  - HdrTypeObjUsr.
+func (s FilterWrapper) SetHeaderType(t HeaderType) {
+	if s.filter != nil {
+		switch t {
+		case HdrTypeRequest:
+			s.filter.SetHeader(acl.EACLRecord_FilterInfo_Request)
+		case HdrTypeObjSys:
+			s.filter.SetHeader(acl.EACLRecord_FilterInfo_ObjectSystem)
+		case HdrTypeObjUsr:
+			s.filter.SetHeader(acl.EACLRecord_FilterInfo_ObjectUser)
+		default:
+			s.filter.SetHeader(acl.EACLRecord_FilterInfo_HeaderUnknown)
+		}
+	}
+}
+
+// Group returns the access group of the target.
+//
+// If target is not initialized, GroupUnknown returns.
+//
+// Returns GroupUnknown if Target is not one of:
+//  - Target_User;
+//  - GroupSystem;
+//  - GroupOthers.
+func (s TargetWrapper) Group() (res Group) {
+	res = GroupUnknown
+
+	if s.target != nil {
+		switch s.target.GetTarget() {
+		case acl.Target_User:
+			res = GroupUser
+		case acl.Target_System:
+			res = GroupSystem
+		case acl.Target_Others:
+			res = GroupOthers
+		}
+	}
+
+	return
+}
+
+// SetGroup sets the access group of the target.
+//
+// If target is not initialized, nothing changes.
+//
+// Target is set to Target_Unknown if argument is not one of:
+//  - GroupUser;
+//  - GroupSystem;
+//  - GroupOthers.
+func (s TargetWrapper) SetGroup(g Group) {
+	if s.target != nil {
+		switch g {
+		case GroupUser:
+			s.target.SetTarget(acl.Target_User)
+		case GroupSystem:
+			s.target.SetTarget(acl.Target_System)
+		case GroupOthers:
+			s.target.SetTarget(acl.Target_Others)
+		default:
+			s.target.SetTarget(acl.Target_Unknown)
+		}
+	}
+}
+
+// KeyList returns the key list of the target.
+//
+// If target is not initialized, nil returns.
+func (s TargetWrapper) KeyList() [][]byte {
+	if s.target == nil {
+		return nil
+	}
+
+	return s.target.GetKeyList()
+}
+
+// SetKeyList sets the key list of the target.
+//
+// If target is not initialized, nothing changes.
+func (s TargetWrapper) SetKeyList(v [][]byte) {
+	if s.target != nil {
+		s.target.SetKeyList(v)
+	}
+}
+
+// OperationType returns the operation type of the record.
+//
+// If record is not initialized, OpTypeUnknown returns.
+//
+// Returns OpTypeUnknown if Operation is not one of:
+//  - EACLRecord_HEAD;
+//  - EACLRecord_PUT;
+//  - EACLRecord_SEARCH;
+//  - EACLRecord_GET;
+//  - EACLRecord_GETRANGE;
+//  - EACLRecord_GETRANGEHASH;
+//  - EACLRecord_DELETE.
+func (s RecordWrapper) OperationType() (res OperationType) {
+	res = OpTypeUnknown
+
+	if s.record != nil {
+		switch s.record.GetOperation() {
+		case acl.EACLRecord_HEAD:
+			res = OpTypeHead
+		case acl.EACLRecord_PUT:
+			res = OpTypePut
+		case acl.EACLRecord_SEARCH:
+			res = OpTypeSearch
+		case acl.EACLRecord_GET:
+			res = OpTypeGet
+		case acl.EACLRecord_GETRANGE:
+			res = OpTypeRange
+		case acl.EACLRecord_GETRANGEHASH:
+			res = OpTypeRangeHash
+		case acl.EACLRecord_DELETE:
+			res = OpTypeDelete
+		}
+	}
+
+	return
+}
+
+// SetOperationType sets the operation type of the record.
+//
+// If record is not initialized, nothing changes.
+//
+// Operation is set to EACLRecord_OPERATION_UNKNOWN if argument is not one of:
+//  - OpTypeHead;
+//  - OpTypePut;
+//  - OpTypeSearch;
+//  - OpTypeGet;
+//  - OpTypeRange;
+//  - OpTypeRangeHash;
+//  - OpTypeDelete.
+func (s RecordWrapper) SetOperationType(v OperationType) {
+	if s.record != nil {
+		switch v {
+		case OpTypeHead:
+			s.record.SetOperation(acl.EACLRecord_HEAD)
+		case OpTypePut:
+			s.record.SetOperation(acl.EACLRecord_PUT)
+		case OpTypeSearch:
+			s.record.SetOperation(acl.EACLRecord_SEARCH)
+		case OpTypeGet:
+			s.record.SetOperation(acl.EACLRecord_GET)
+		case OpTypeRange:
+			s.record.SetOperation(acl.EACLRecord_GETRANGE)
+		case OpTypeRangeHash:
+			s.record.SetOperation(acl.EACLRecord_GETRANGEHASH)
+		case OpTypeDelete:
+			s.record.SetOperation(acl.EACLRecord_DELETE)
+		default:
+			s.record.SetOperation(acl.EACLRecord_OPERATION_UNKNOWN)
+		}
+	}
+}
+
+// Action returns the action of the record.
+//
+// If record is not initialized, ActionUnknown returns.
+//
+// Returns ActionUnknown if Action is not one of:
+//  - EACLRecord_Deny;
+//  - EACLRecord_Allow.
+func (s RecordWrapper) Action() (res Action) {
+	res = ActionUnknown
+
+	if s.record != nil {
+		switch s.record.GetAction() {
+		case acl.EACLRecord_Deny:
+			res = ActionDeny
+		case acl.EACLRecord_Allow:
+			res = ActionAllow
+		}
+	}
+
+	return
+}
+
+// SetAction sets the action of the record.
+//
+// If record is not initialized, nothing changes.
+//
+// Action is set to EACLRecord_ActionUnknown if argument is not one of:
+//  - ActionDeny;
+//  - ActionAllow.
+func (s RecordWrapper) SetAction(v Action) {
+	if s.record != nil {
+		switch v {
+		case ActionDeny:
+			s.record.SetAction(acl.EACLRecord_Deny)
+		case ActionAllow:
+			s.record.SetAction(acl.EACLRecord_Allow)
+		default:
+			s.record.SetAction(acl.EACLRecord_ActionUnknown)
+		}
+	}
+}
+
+// HeaderFilters returns the header filter list of the record.
+//
+// If record is not initialized, nil returns.
+func (s RecordWrapper) HeaderFilters() []HeaderFilter {
+	if s.record == nil {
+		return nil
+	}
+
+	filters := s.record.GetFilters()
+
+	res := make([]HeaderFilter, 0, len(filters))
+
+	for i := range filters {
+		res = append(res, WrapFilterInfo(filters[i]))
+	}
+
+	return res
+}
+
+// SetHeaderFilters sets the header filter list of the record.
+//
+// Ignores nil elements of argument.
+// If record is not initialized, nothing changes.
+func (s RecordWrapper) SetHeaderFilters(v []HeaderFilter) {
+	if s.record == nil {
+		return
+	}
+
+	filters := make([]*acl.EACLRecord_FilterInfo, 0, len(v))
+
+	for i := range v {
+		if v[i] == nil {
+			continue
+		}
+
+		w := WrapFilterInfo(nil)
+		w.SetMatchType(v[i].MatchType())
+		w.SetHeaderType(v[i].HeaderType())
+		w.SetName(v[i].Name())
+		w.SetValue(v[i].Value())
+
+		filters = append(filters, w.filter)
+	}
+
+	s.record.SetFilters(filters)
+}
+
+// TargetList returns the target list of the record.
+//
+// If record is not initialized, nil returns.
+func (s RecordWrapper) TargetList() []Target {
+	if s.record == nil {
+		return nil
+	}
+
+	targets := s.record.GetTargets()
+
+	res := make([]Target, 0, len(targets))
+
+	for i := range targets {
+		res = append(res, WrapTarget(targets[i]))
+	}
+
+	return res
+}
+
+// SetTargetList sets the target list of the record.
+//
+// Ignores nil elements of argument.
+// If record is not initialized, nothing changes.
+func (s RecordWrapper) SetTargetList(v []Target) {
+	if s.record == nil {
+		return
+	}
+
+	targets := make([]*acl.EACLRecord_TargetInfo, 0, len(v))
+
+	for i := range v {
+		if v[i] == nil {
+			continue
+		}
+
+		w := WrapTarget(nil)
+		w.SetGroup(v[i].Group())
+		w.SetKeyList(v[i].KeyList())
+
+		targets = append(targets, w.target)
+	}
+
+	s.record.SetTargets(targets)
+}
+
+// Records returns the record list of the table.
+//
+// If table is not initialized, nil returns.
+func (s TableWrapper) Records() []Record {
+	if s.table == nil {
+		return nil
+	}
+
+	records := s.table.GetRecords()
+
+	res := make([]Record, 0, len(records))
+
+	for i := range records {
+		res = append(res, WrapRecord(records[i]))
+	}
+
+	return res
+}
+
+// SetRecords sets the record list of the table.
+//
+// Ignores nil elements of argument.
+// If table is not initialized, nothing changes.
+func (s TableWrapper) SetRecords(v []Record) {
+	if s.table == nil {
+		return
+	}
+
+	records := make([]*acl.EACLRecord, 0, len(v))
+
+	for i := range v {
+		if v[i] == nil {
+			continue
+		}
+
+		w := WrapRecord(nil)
+		w.SetOperationType(v[i].OperationType())
+		w.SetAction(v[i].Action())
+		w.SetHeaderFilters(v[i].HeaderFilters())
+		w.SetTargetList(v[i].TargetList())
+
+		records = append(records, w.record)
+	}
+
+	s.table.SetRecords(records)
+}
+
+

acl/extended/wrappers_test.go

@@ -1,4 +1,4 @@
-package acl
+package eacl
 
 import (
 	"testing"
@@ -27,11 +27,11 @@ func TestEACLFilterWrapper(t *testing.T) {
 }
 
 func TestEACLTargetWrapper(t *testing.T) {
-	s := WrapEACLTarget(nil)
+	s := WrapTarget(nil)
 
-	target := Target(10)
+	group := Group(3)
-	s.SetTarget(target)
+	s.SetGroup(group)
-	require.Equal(t, target, s.Target())
+	require.Equal(t, group, s.Group())
 
 	keys := [][]byte{
 		{1, 2, 3},
@@ -42,7 +42,7 @@ func TestEACLTargetWrapper(t *testing.T) {
 }
 
 func TestEACLRecordWrapper(t *testing.T) {
-	s := WrapEACLRecord(nil)
+	s := WrapRecord(nil)
 
 	action := ActionAllow
 	s.SetAction(action)
@@ -67,46 +67,43 @@ func TestEACLRecordWrapper(t *testing.T) {
 	require.Equal(t, f1Name, filters[0].Name())
 	require.Equal(t, f2Name, filters[1].Name())
 
-	target1 := Target(1)
+	group1 := Group(1)
-	t1 := WrapEACLTarget(nil)
+	t1 := WrapTarget(nil)
-	t1.SetTarget(target1)
+	t1.SetGroup(group1)
 
-	target2 := Target(2)
+	group2 := Group(2)
-	t2 := WrapEACLTarget(nil)
+	t2 := WrapTarget(nil)
-	t2.SetTarget(target2)
+	t2.SetGroup(group2)
 
-	s.SetTargetList([]ExtendedACLTarget{t1, t2})
+	s.SetTargetList([]Target{t1, t2})
 
 	targets := s.TargetList()
 	require.Len(t, targets, 2)
-	require.Equal(t, target1, targets[0].Target())
+	require.Equal(t, group1, targets[0].Group())
-	require.Equal(t, target2, targets[1].Target())
+	require.Equal(t, group2, targets[1].Group())
 }
 
 func TestEACLTableWrapper(t *testing.T) {
-	s := WrapEACLTable(nil)
+	s := WrapTable(nil)
 
-	action1 := ExtendedACLAction(1)
+	action1 := Action(1)
-	r1 := WrapEACLRecord(nil)
+	r1 := WrapRecord(nil)
 	r1.SetAction(action1)
 
-	action2 := ExtendedACLAction(2)
+	action2 := Action(2)
-	r2 := WrapEACLRecord(nil)
+	r2 := WrapRecord(nil)
 	r2.SetAction(action2)
 
-	s.SetRecords([]ExtendedACLRecord{r1, r2})
+	s.SetRecords([]Record{r1, r2})
 
 	records := s.Records()
 	require.Len(t, records, 2)
 	require.Equal(t, action1, records[0].Action())
 	require.Equal(t, action2, records[1].Action())
 
-	data, err := s.MarshalBinary()
+	s2, err := UnmarshalTable(MarshalTable(s))
 	require.NoError(t, err)
 
-	s2 := WrapEACLTable(nil)
-	require.NoError(t, s2.UnmarshalBinary(data))
-
 	records1 := s.Records()
 	records2 := s2.Records()
 	require.Len(t, records1, len(records2))
@@ -120,7 +117,7 @@ func TestEACLTableWrapper(t *testing.T) {
 		require.Len(t, targets1, len(targets2))
 
 		for j := range targets1 {
-			require.Equal(t, targets1[j].Target(), targets2[j].Target())
+			require.Equal(t, targets1[j].Group(), targets2[j].Group())
 			require.Equal(t, targets1[j].KeyList(), targets2[j].KeyList())
 		}
 

acl/types.go

@@ -1,78 +1,5 @@
 package acl
 
-const (
-	_ MatchType = iota
-
-	// StringEqual is a MatchType of string equality.
-	StringEqual
-
-	// StringNotEqual is a MatchType of string inequality.
-	StringNotEqual
-)
-
-const (
-	// ActionUndefined is ExtendedACLAction used to mark value as undefined.
-	// Most of the tools consider ActionUndefined as incalculable.
-	// Using ActionUndefined in ExtendedACLRecord is unsafe.
-	ActionUndefined ExtendedACLAction = iota
-
-	// ActionAllow is ExtendedACLAction used to mark an applicability of ACL rule.
-	ActionAllow
-
-	// ActionDeny is ExtendedACLAction used to mark an inapplicability of ACL rule.
-	ActionDeny
-)
-
-const (
-	_ HeaderType = iota
-
-	// HdrTypeRequest is a HeaderType for request header.
-	HdrTypeRequest
-
-	// HdrTypeObjSys is a HeaderType for system headers of object.
-	HdrTypeObjSys
-
-	// HdrTypeObjUsr is a HeaderType for user headers of object.
-	HdrTypeObjUsr
-)
-
-const (
-	// HdrObjSysNameID is a name of ID field in system header of object.
-	HdrObjSysNameID = "ID"
-
-	// HdrObjSysNameCID is a name of CID field in system header of object.
-	HdrObjSysNameCID = "CID"
-
-	// HdrObjSysNameOwnerID is a name of OwnerID field in system header of object.
-	HdrObjSysNameOwnerID = "OWNER_ID"
-
-	// HdrObjSysNameVersion is a name of Version field in system header of object.
-	HdrObjSysNameVersion = "VERSION"
-
-	// HdrObjSysNamePayloadLength is a name of PayloadLength field in system header of object.
-	HdrObjSysNamePayloadLength = "PAYLOAD_LENGTH"
-
-	// HdrObjSysNameCreatedUnix is a name of CreatedAt.UnitTime field in system header of object.
-	HdrObjSysNameCreatedUnix = "CREATED_UNIX"
-
-	// HdrObjSysNameCreatedEpoch is a name of CreatedAt.Epoch field in system header of object.
-	HdrObjSysNameCreatedEpoch = "CREATED_EPOCH"
-
-	// HdrObjSysLinkPrev is a name of previous link header in extended headers of object.
-	HdrObjSysLinkPrev = "LINK_PREV"
-
-	// HdrObjSysLinkNext is a name of next link header in extended headers of object.
-	HdrObjSysLinkNext = "LINK_NEXT"
-
-	// HdrObjSysLinkChild is a name of child link header in extended headers of object.
-	HdrObjSysLinkChild = "LINK_CHILD"
-
-	// HdrObjSysLinkPar is a name of parent link header in extended headers of object.
-	HdrObjSysLinkPar = "LINK_PAR"
-
-	// HdrObjSysLinkSG is a name of storage group link header in extended headers of object.
-	HdrObjSysLinkSG = "LINK_SG"
-)
 
 // SetMatchType is MatchType field setter.
 func (m *EACLRecord_FilterInfo) SetMatchType(v EACLRecord_FilterInfo_MatchType) {

acl/wrappers.go

@@ -1,498 +0,0 @@
-package acl
-
-// EACLFilterWrapper is a wrapper over EACLRecord_FilterInfo pointer.
-type EACLFilterWrapper struct {
-	filter *EACLRecord_FilterInfo
-}
-
-// EACLTargetWrapper is a wrapper over EACLRecord_TargetInfo pointer.
-type EACLTargetWrapper struct {
-	target *EACLRecord_TargetInfo
-}
-
-// EACLRecordWrapper is a wrapper over EACLRecord pointer.
-type EACLRecordWrapper struct {
-	record *EACLRecord
-}
-
-// EACLTableWrapper is a wrapper over EACLTable pointer.
-type EACLTableWrapper struct {
-	table *EACLTable
-}
-
-// WrapFilterInfo wraps EACLRecord_FilterInfo pointer.
-//
-// If argument is nil, new EACLRecord_FilterInfo is initialized.
-func WrapFilterInfo(v *EACLRecord_FilterInfo) EACLFilterWrapper {
-	if v == nil {
-		v = new(EACLRecord_FilterInfo)
-	}
-
-	return EACLFilterWrapper{
-		filter: v,
-	}
-}
-
-// WrapEACLTarget wraps EACLRecord_TargetInfo pointer.
-//
-// If argument is nil, new EACLRecord_TargetInfo is initialized.
-func WrapEACLTarget(v *EACLRecord_TargetInfo) EACLTargetWrapper {
-	if v == nil {
-		v = new(EACLRecord_TargetInfo)
-	}
-
-	return EACLTargetWrapper{
-		target: v,
-	}
-}
-
-// WrapEACLRecord wraps EACLRecord pointer.
-//
-// If argument is nil, new EACLRecord is initialized.
-func WrapEACLRecord(v *EACLRecord) EACLRecordWrapper {
-	if v == nil {
-		v = new(EACLRecord)
-	}
-
-	return EACLRecordWrapper{
-		record: v,
-	}
-}
-
-// WrapEACLTable wraps EACLTable pointer.
-//
-// If argument is nil, new EACLTable is initialized.
-func WrapEACLTable(v *EACLTable) EACLTableWrapper {
-	if v == nil {
-		v = new(EACLTable)
-	}
-
-	return EACLTableWrapper{
-		table: v,
-	}
-}
-
-// MatchType returns casted result of MatchType field getter.
-//
-// If filter is not initialized, 0 returns.
-//
-// Returns 0 if MatchType is not one of:
-//  - EACLRecord_FilterInfo_StringEqual;
-//  - EACLRecord_FilterInfo_StringNotEqual.
-func (s EACLFilterWrapper) MatchType() (res MatchType) {
-	if s.filter != nil {
-		switch s.filter.GetMatchType() {
-		case EACLRecord_FilterInfo_StringEqual:
-			res = StringEqual
-		case EACLRecord_FilterInfo_StringNotEqual:
-			res = StringNotEqual
-		}
-	}
-
-	return
-}
-
-// SetMatchType passes casted argument to MatchType field setter.
-//
-// If filter is not initialized, nothing changes.
-//
-// MatchType is set to EACLRecord_FilterInfo_MatchUnknown if argument is not one of:
-//  - StringEqual;
-//  - StringNotEqual.
-func (s EACLFilterWrapper) SetMatchType(v MatchType) {
-	if s.filter != nil {
-		switch v {
-		case StringEqual:
-			s.filter.SetMatchType(EACLRecord_FilterInfo_StringEqual)
-		case StringNotEqual:
-			s.filter.SetMatchType(EACLRecord_FilterInfo_StringNotEqual)
-		default:
-			s.filter.SetMatchType(EACLRecord_FilterInfo_MatchUnknown)
-		}
-	}
-}
-
-// Name returns the result of HeaderName field getter.
-//
-// If filter is not initialized, empty string returns.
-func (s EACLFilterWrapper) Name() string {
-	if s.filter == nil {
-		return ""
-	}
-
-	return s.filter.GetHeaderName()
-}
-
-// SetName passes argument to HeaderName field setter.
-//
-// If filter is not initialized, nothing changes.
-func (s EACLFilterWrapper) SetName(v string) {
-	if s.filter != nil {
-		s.filter.SetHeaderName(v)
-	}
-}
-
-// Value returns the result of HeaderVal field getter.
-//
-// If filter is not initialized, empty string returns.
-func (s EACLFilterWrapper) Value() string {
-	if s.filter == nil {
-		return ""
-	}
-
-	return s.filter.GetHeaderVal()
-}
-
-// SetValue passes argument to HeaderVal field setter.
-//
-// If filter is not initialized, nothing changes.
-func (s EACLFilterWrapper) SetValue(v string) {
-	if s.filter != nil {
-		s.filter.SetHeaderVal(v)
-	}
-}
-
-// HeaderType returns the result of Header field getter.
-//
-// If filter is not initialized, 0 returns.
-//
-// Returns 0 if Header is not one of:
-//  - EACLRecord_FilterInfo_Request;
-//  - EACLRecord_FilterInfo_ObjectSystem;
-//  - EACLRecord_FilterInfo_ObjectUser.
-func (s EACLFilterWrapper) HeaderType() (res HeaderType) {
-	if s.filter != nil {
-		switch s.filter.GetHeader() {
-		case EACLRecord_FilterInfo_Request:
-			res = HdrTypeRequest
-		case EACLRecord_FilterInfo_ObjectSystem:
-			res = HdrTypeObjSys
-		case EACLRecord_FilterInfo_ObjectUser:
-			res = HdrTypeObjUsr
-		}
-	}
-
-	return
-}
-
-// SetHeaderType passes casted argument to Header field setter.
-//
-// If filter is not initialized, nothing changes.
-//
-// Header is set to EACLRecord_FilterInfo_HeaderUnknown if argument is not one of:
-//  - HdrTypeRequest;
-//  - HdrTypeObjSys;
-//  - HdrTypeObjUsr.
-func (s EACLFilterWrapper) SetHeaderType(t HeaderType) {
-	if s.filter != nil {
-		switch t {
-		case HdrTypeRequest:
-			s.filter.SetHeader(EACLRecord_FilterInfo_Request)
-		case HdrTypeObjSys:
-			s.filter.SetHeader(EACLRecord_FilterInfo_ObjectSystem)
-		case HdrTypeObjUsr:
-			s.filter.SetHeader(EACLRecord_FilterInfo_ObjectUser)
-		default:
-			s.filter.SetHeader(EACLRecord_FilterInfo_HeaderUnknown)
-		}
-	}
-}
-
-// Target returns the result of Target field getter.
-//
-// If target is not initialized, Target_Unknown returns.
-func (s EACLTargetWrapper) Target() Target {
-	if s.target == nil {
-		return Target_Unknown
-	}
-
-	return s.target.GetTarget()
-}
-
-// SetTarget passes argument to Target field setter.
-//
-// If target is not initialized, nothing changes.
-func (s EACLTargetWrapper) SetTarget(v Target) {
-	if s.target != nil {
-		s.target.SetTarget(v)
-	}
-}
-
-// KeyList returns the result of KeyList field getter.
-//
-// If target is not initialized, nil returns.
-func (s EACLTargetWrapper) KeyList() [][]byte {
-	if s.target == nil {
-		return nil
-	}
-
-	return s.target.GetKeyList()
-}
-
-// SetKeyList passes argument to KeyList field setter.
-//
-// If target is not initialized, nothing changes.
-func (s EACLTargetWrapper) SetKeyList(v [][]byte) {
-	if s.target != nil {
-		s.target.SetKeyList(v)
-	}
-}
-
-// OperationType returns casted result of Operation field getter.
-//
-// If record is not initialized, 0 returns.
-//
-// Returns 0 if Operation is not one of:
-//  - EACLRecord_HEAD;
-//  - EACLRecord_PUT;
-//  - EACLRecord_SEARCH;
-//  - EACLRecord_GET;
-//  - EACLRecord_GETRANGE;
-//  - EACLRecord_GETRANGEHASH;
-//  - EACLRecord_DELETE.
-func (s EACLRecordWrapper) OperationType() (res OperationType) {
-	if s.record != nil {
-		switch s.record.GetOperation() {
-		case EACLRecord_HEAD:
-			res = OpTypeHead
-		case EACLRecord_PUT:
-			res = OpTypePut
-		case EACLRecord_SEARCH:
-			res = OpTypeSearch
-		case EACLRecord_GET:
-			res = OpTypeGet
-		case EACLRecord_GETRANGE:
-			res = OpTypeRange
-		case EACLRecord_GETRANGEHASH:
-			res = OpTypeRangeHash
-		case EACLRecord_DELETE:
-			res = OpTypeDelete
-		}
-	}
-
-	return
-}
-
-// SetOperationType passes casted argument to Operation field setter.
-//
-// If record is not initialized, nothing changes.
-//
-// Operation is set to EACLRecord_OPERATION_UNKNOWN if argument is not one of:
-//  - OpTypeHead;
-//  - OpTypePut;
-//  - OpTypeSearch;
-//  - OpTypeGet;
-//  - OpTypeRange;
-//  - OpTypeRangeHash;
-//  - OpTypeDelete.
-func (s EACLRecordWrapper) SetOperationType(v OperationType) {
-	if s.record != nil {
-		switch v {
-		case OpTypeHead:
-			s.record.SetOperation(EACLRecord_HEAD)
-		case OpTypePut:
-			s.record.SetOperation(EACLRecord_PUT)
-		case OpTypeSearch:
-			s.record.SetOperation(EACLRecord_SEARCH)
-		case OpTypeGet:
-			s.record.SetOperation(EACLRecord_GET)
-		case OpTypeRange:
-			s.record.SetOperation(EACLRecord_GETRANGE)
-		case OpTypeRangeHash:
-			s.record.SetOperation(EACLRecord_GETRANGEHASH)
-		case OpTypeDelete:
-			s.record.SetOperation(EACLRecord_DELETE)
-		default:
-			s.record.SetOperation(EACLRecord_OPERATION_UNKNOWN)
-		}
-	}
-}
-
-// Action returns casted result of Action field getter.
-//
-// If record is not initialized, 0 returns.
-//
-// Returns 0 if Action is not one of:
-//  - EACLRecord_Deny;
-//  - EACLRecord_Allow.
-func (s EACLRecordWrapper) Action() (res ExtendedACLAction) {
-	if s.record != nil {
-		switch s.record.GetAction() {
-		case EACLRecord_Deny:
-			res = ActionDeny
-		case EACLRecord_Allow:
-			res = ActionAllow
-		}
-	}
-
-	return
-}
-
-// SetAction passes casted argument to Action field setter.
-//
-// If record is not initialized, nothing changes.
-//
-// Action is set to EACLRecord_ActionUnknown if argument is not one of:
-//  - ActionDeny;
-//  - ActionAllow.
-func (s EACLRecordWrapper) SetAction(v ExtendedACLAction) {
-	if s.record != nil {
-		switch v {
-		case ActionDeny:
-			s.record.SetAction(EACLRecord_Deny)
-		case ActionAllow:
-			s.record.SetAction(EACLRecord_Allow)
-		default:
-			s.record.SetAction(EACLRecord_ActionUnknown)
-		}
-	}
-}
-
-// HeaderFilters wraps all elements from Filters field getter result and returns HeaderFilter list.
-//
-// If record is not initialized, nil returns.
-func (s EACLRecordWrapper) HeaderFilters() []HeaderFilter {
-	if s.record == nil {
-		return nil
-	}
-
-	filters := s.record.GetFilters()
-
-	res := make([]HeaderFilter, 0, len(filters))
-
-	for i := range filters {
-		res = append(res, WrapFilterInfo(filters[i]))
-	}
-
-	return res
-}
-
-// SetHeaderFilters converts HeaderFilter list to EACLRecord_FilterInfo list and passes it to Filters field setter.
-//
-// Ignores nil elements of argument.
-// If record is not initialized, nothing changes.
-func (s EACLRecordWrapper) SetHeaderFilters(v []HeaderFilter) {
-	if s.record == nil {
-		return
-	}
-
-	filters := make([]*EACLRecord_FilterInfo, 0, len(v))
-
-	for i := range v {
-		if v[i] == nil {
-			continue
-		}
-
-		w := WrapFilterInfo(nil)
-		w.SetMatchType(v[i].MatchType())
-		w.SetHeaderType(v[i].HeaderType())
-		w.SetName(v[i].Name())
-		w.SetValue(v[i].Value())
-
-		filters = append(filters, w.filter)
-	}
-
-	s.record.SetFilters(filters)
-}
-
-// TargetList wraps all elements from Targets field getter result and returns ExtendedACLTarget list.
-//
-// If record is not initialized, nil returns.
-func (s EACLRecordWrapper) TargetList() []ExtendedACLTarget {
-	if s.record == nil {
-		return nil
-	}
-
-	targets := s.record.GetTargets()
-
-	res := make([]ExtendedACLTarget, 0, len(targets))
-
-	for i := range targets {
-		res = append(res, WrapEACLTarget(targets[i]))
-	}
-
-	return res
-}
-
-// SetTargetList converts ExtendedACLTarget list to EACLRecord_TargetInfo list and passes it to Targets field setter.
-//
-// Ignores nil elements of argument.
-// If record is not initialized, nothing changes.
-func (s EACLRecordWrapper) SetTargetList(v []ExtendedACLTarget) {
-	if s.record == nil {
-		return
-	}
-
-	targets := make([]*EACLRecord_TargetInfo, 0, len(v))
-
-	for i := range v {
-		if v[i] == nil {
-			continue
-		}
-
-		w := WrapEACLTarget(nil)
-		w.SetTarget(v[i].Target())
-		w.SetKeyList(v[i].KeyList())
-
-		targets = append(targets, w.target)
-	}
-
-	s.record.SetTargets(targets)
-}
-
-// Records wraps all elements from Records field getter result and returns ExtendedACLRecord list.
-//
-// If table is not initialized, nil returns.
-func (s EACLTableWrapper) Records() []ExtendedACLRecord {
-	if s.table == nil {
-		return nil
-	}
-
-	records := s.table.GetRecords()
-
-	res := make([]ExtendedACLRecord, 0, len(records))
-
-	for i := range records {
-		res = append(res, WrapEACLRecord(records[i]))
-	}
-
-	return res
-}
-
-// SetRecords converts ExtendedACLRecord list to EACLRecord list and passes it to Records field setter.
-//
-// Ignores nil elements of argument.
-// If table is not initialized, nothing changes.
-func (s EACLTableWrapper) SetRecords(v []ExtendedACLRecord) {
-	if s.table == nil {
-		return
-	}
-
-	records := make([]*EACLRecord, 0, len(v))
-
-	for i := range v {
-		if v[i] == nil {
-			continue
-		}
-
-		w := WrapEACLRecord(nil)
-		w.SetOperationType(v[i].OperationType())
-		w.SetAction(v[i].Action())
-		w.SetHeaderFilters(v[i].HeaderFilters())
-		w.SetTargetList(v[i].TargetList())
-
-		records = append(records, w.record)
-	}
-
-	s.table.SetRecords(records)
-}
-
-// MarshalBinary returns the result of Marshal method.
-func (s EACLTableWrapper) MarshalBinary() ([]byte, error) {
-	return s.table.Marshal()
-}
-
-// UnmarshalBinary passes argument to Unmarshal method and returns its result.
-func (s EACLTableWrapper) UnmarshalBinary(data []byte) error {
-	return s.table.Unmarshal(data)
-}

chain/address.go

@@ -1,16 +1,9 @@
 package chain
 
 import (
-	"bytes"
 	"crypto/ecdsa"
-	"crypto/sha256"
-	"encoding/hex"
 
-	"github.com/mr-tron/base58"
+	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
-	"github.com/nspcc-dev/neofs-api-go/internal"
-	crypto "github.com/nspcc-dev/neofs-crypto"
-	"github.com/pkg/errors"
-	"golang.org/x/crypto/ripemd160"
 )
 
 // WalletAddress implements NEO address.
@@ -18,168 +11,20 @@ type WalletAddress [AddressLength]byte
 
 const (
 	// AddressLength contains size of address,
-	// 0x17 byte (address version) + 20 bytes of ScriptHash + 4 bytes of checksum.
+	// 1 byte of address version + 20 bytes of ScriptHash + 4 bytes of checksum.
 	AddressLength = 25
-
-	// ScriptHashLength contains size of ScriptHash.
-	ScriptHashLength = 20
-
-	// ErrEmptyAddress is raised when empty Address is passed.
-	ErrEmptyAddress = internal.Error("empty address")
-
-	// ErrAddressLength is raised when passed address has wrong size.
-	ErrAddressLength = internal.Error("wrong address length")
 )
 
-func checksum(sign []byte) []byte {
+// KeyToAddress returns NEO address composed from public key.
-	hash := sha256.Sum256(sign)
+func KeyToAddress(key *ecdsa.PublicKey) string {
-	hash = sha256.Sum256(hash[:])
-	return hash[:4]
-}
-
-// FetchPublicKeys tries to parse public keys from verification script.
-func FetchPublicKeys(vs []byte) []*ecdsa.PublicKey {
-	var (
-		count  int
-		offset int
-		ln     = len(vs)
-		result []*ecdsa.PublicKey
-	)
-
-	switch {
-	case ln < 1: // wrong data size
-		return nil
-	case vs[ln-1] == 0xac: // last byte is CHECKSIG
-		count = 1
-	case vs[ln-1] == 0xae: // last byte is CHECKMULTISIG
-		// 2nd byte from the end indicates about PK's count
-		count = int(vs[ln-2] - 0x50)
-		// ignores CHECKMULTISIG
-		offset = 1
-	default: // unknown type
-		return nil
-	}
-
-	result = make([]*ecdsa.PublicKey, 0, count)
-	for i := 0; i < count; i++ {
-		// ignores PUSHBYTE33 and tries to parse
-		from, to := offset+1, offset+1+crypto.PublicKeyCompressedSize
-
-		// when passed VerificationScript has wrong size
-		if len(vs) < to {
-			return nil
-		}
-
-		key := crypto.UnmarshalPublicKey(vs[from:to])
-		// when wrong public key is passed
 	if key == nil {
-			return nil
-		}
-		result = append(result, key)
-
-		offset += 1 + crypto.PublicKeyCompressedSize
-	}
-	return result
-}
-
-// VerificationScript returns VerificationScript composed from public keys.
-func VerificationScript(pubs ...*ecdsa.PublicKey) []byte {
-	var (
-		pre    []byte
-		suf    []byte
-		body   []byte
-		offset int
-		lnPK   = len(pubs)
-		ln     = crypto.PublicKeyCompressedSize*lnPK + lnPK // 33 * count + count * 1 (PUSHBYTES33)
-	)
-
-	if len(pubs) > 1 {
-		pre = []byte{0x51}                    // one address
-		suf = []byte{byte(0x50 + lnPK), 0xae} // count of PK's + CHECKMULTISIG
-	} else {
-		suf = []byte{0xac} // CHECKSIG
-	}
-
-	ln += len(pre) + len(suf)
-
-	body = make([]byte, ln)
-	offset += copy(body, pre)
-
-	for i := range pubs {
-		body[offset] = 0x21
-		offset++
-		offset += copy(body[offset:], crypto.MarshalPublicKey(pubs[i]))
-	}
-
-	copy(body[offset:], suf)
-
-	return body
-}
-
-// KeysToAddress return NEO address composed from public keys.
-func KeysToAddress(pubs ...*ecdsa.PublicKey) string {
-	if len(pubs) == 0 {
 		return ""
 	}
-	return Address(VerificationScript(pubs...))
+
+	neoPublicKey := keys.PublicKey{
+		X: key.X,
+		Y: key.Y,
 	}
 
-// Address returns NEO address based on passed VerificationScript.
+	return neoPublicKey.Address()
-func Address(verificationScript []byte) string {
-	sign := [AddressLength]byte{0x17}
-	hash := sha256.Sum256(verificationScript)
-	ripe := ripemd160.New()
-	ripe.Write(hash[:])
-	copy(sign[1:], ripe.Sum(nil))
-	copy(sign[21:], checksum(sign[:21]))
-	return base58.Encode(sign[:])
-}
-
-// ReversedScriptHashToAddress parses script hash and returns valid NEO address.
-func ReversedScriptHashToAddress(sc string) (addr string, err error) {
-	var data []byte
-	if data, err = DecodeScriptHash(sc); err != nil {
-		return
-	}
-	sign := [AddressLength]byte{0x17}
-	copy(sign[1:], data)
-	copy(sign[1+ScriptHashLength:], checksum(sign[:1+ScriptHashLength]))
-	return base58.Encode(sign[:]), nil
-}
-
-// IsAddress checks that passed NEO Address is valid.
-func IsAddress(s string) error {
-	if s == "" {
-		return ErrEmptyAddress
-	} else if addr, err := base58.Decode(s); err != nil {
-		return errors.Wrap(err, "base58 decode")
-	} else if ln := len(addr); ln != AddressLength {
-		return errors.Wrapf(ErrAddressLength, "length %d != %d", AddressLength, ln)
-	} else if sum := checksum(addr[:21]); !bytes.Equal(addr[21:], sum) {
-		return errors.Errorf("wrong checksum %0x != %0x",
-			addr[21:], sum)
-	}
-
-	return nil
-}
-
-// ReverseBytes returns reversed []byte of given.
-func ReverseBytes(data []byte) []byte {
-	for i, j := 0, len(data)-1; i < j; i, j = i+1, j-1 {
-		data[i], data[j] = data[j], data[i]
-	}
-	return data
-}
-
-// DecodeScriptHash parses script hash into slice of bytes.
-func DecodeScriptHash(s string) ([]byte, error) {
-	if s == "" {
-		return nil, ErrEmptyAddress
-	} else if addr, err := hex.DecodeString(s); err != nil {
-		return nil, errors.Wrap(err, "hex decode")
-	} else if ln := len(addr); ln != ScriptHashLength {
-		return nil, errors.Wrapf(ErrAddressLength, "length %d != %d", ScriptHashLength, ln)
-	} else {
-		return addr, nil
-	}
 }

chain/address_test.go

@@ -1,292 +1,41 @@
 package chain
 
 import (
-	"crypto/ecdsa"
 	"encoding/hex"
 	"testing"
 
 	crypto "github.com/nspcc-dev/neofs-crypto"
-	"github.com/nspcc-dev/neofs-crypto/test"
 	"github.com/stretchr/testify/require"
 )
 
-func TestAddress(t *testing.T) {
+type addressTestCase struct {
-	var (
-		multiSigVerificationScript = "512103c02a93134f98d9c78ec54b1b1f97fc64cd81360f53a293f41e4ad54aac3c57172103fea219d4ccfd7641cebbb2439740bb4bd7c4730c1abd6ca1dc44386533816df952ae"
-		multiSigAddress            = "ANbvKqa2SfgTUkq43NRUhCiyxPrpUPn7S3"
-
-		normalVerificationScript = "2102a33413277a319cc6fd4c54a2feb9032eba668ec587f307e319dc48733087fa61ac"
-		normalAddress            = "AcraNnCuPKnUYtPYyrACRCVJhLpvskbfhu"
-	)
-
-	t.Run("check multi-sig address", func(t *testing.T) {
-		data, err := hex.DecodeString(multiSigVerificationScript)
-		require.NoError(t, err)
-		require.Equal(t, multiSigAddress, Address(data))
-	})
-
-	t.Run("check normal address", func(t *testing.T) {
-		data, err := hex.DecodeString(normalVerificationScript)
-		require.NoError(t, err)
-		require.Equal(t, normalAddress, Address(data))
-	})
-}
-
-func TestVerificationScript(t *testing.T) {
-	t.Run("check normal", func(t *testing.T) {
-		pkString := "02a33413277a319cc6fd4c54a2feb9032eba668ec587f307e319dc48733087fa61"
-
-		pkBytes, err := hex.DecodeString(pkString)
-		require.NoError(t, err)
-
-		pk := crypto.UnmarshalPublicKey(pkBytes)
-
-		expect, err := hex.DecodeString(
-			"21" + pkString + // PUSHBYTES33
-				"ac", // CHECKSIG
-		)
-
-		require.Equal(t, expect, VerificationScript(pk))
-	})
-
-	t.Run("check multisig", func(t *testing.T) {
-		pk1String := "03c02a93134f98d9c78ec54b1b1f97fc64cd81360f53a293f41e4ad54aac3c5717"
-		pk2String := "03fea219d4ccfd7641cebbb2439740bb4bd7c4730c1abd6ca1dc44386533816df9"
-
-		pk1Bytes, err := hex.DecodeString(pk1String)
-		require.NoError(t, err)
-
-		pk1 := crypto.UnmarshalPublicKey(pk1Bytes)
-
-		pk2Bytes, err := hex.DecodeString(pk2String)
-		require.NoError(t, err)
-
-		pk2 := crypto.UnmarshalPublicKey(pk2Bytes)
-
-		expect, err := hex.DecodeString(
-			"51" + // one address
-				"21" + pk1String + // PUSHBYTES33
-				"21" + pk2String + // PUSHBYTES33
-				"52" + // 2 PublicKeys
-				"ae", // CHECKMULTISIG
-		)
-
-		require.Equal(t, expect, VerificationScript(pk1, pk2))
-	})
-}
-
-func TestKeysToAddress(t *testing.T) {
-	t.Run("check normal", func(t *testing.T) {
-		pkString := "02a33413277a319cc6fd4c54a2feb9032eba668ec587f307e319dc48733087fa61"
-
-		pkBytes, err := hex.DecodeString(pkString)
-		require.NoError(t, err)
-
-		pk := crypto.UnmarshalPublicKey(pkBytes)
-
-		expect := "AcraNnCuPKnUYtPYyrACRCVJhLpvskbfhu"
-
-		actual := KeysToAddress(pk)
-		require.Equal(t, expect, actual)
-		require.NoError(t, IsAddress(actual))
-	})
-
-	t.Run("check multisig", func(t *testing.T) {
-		pk1String := "03c02a93134f98d9c78ec54b1b1f97fc64cd81360f53a293f41e4ad54aac3c5717"
-		pk2String := "03fea219d4ccfd7641cebbb2439740bb4bd7c4730c1abd6ca1dc44386533816df9"
-
-		pk1Bytes, err := hex.DecodeString(pk1String)
-		require.NoError(t, err)
-
-		pk1 := crypto.UnmarshalPublicKey(pk1Bytes)
-
-		pk2Bytes, err := hex.DecodeString(pk2String)
-		require.NoError(t, err)
-
-		pk2 := crypto.UnmarshalPublicKey(pk2Bytes)
-
-		expect := "ANbvKqa2SfgTUkq43NRUhCiyxPrpUPn7S3"
-		actual := KeysToAddress(pk1, pk2)
-		require.Equal(t, expect, actual)
-		require.NoError(t, IsAddress(actual))
-	})
-}
-
-func TestFetchPublicKeys(t *testing.T) {
-	var (
-		multiSigVerificationScript = "512103c02a93134f98d9c78ec54b1b1f97fc64cd81360f53a293f41e4ad54aac3c57172103fea219d4ccfd7641cebbb2439740bb4bd7c4730c1abd6ca1dc44386533816df952ae"
-		normalVerificationScript   = "2102a33413277a319cc6fd4c54a2feb9032eba668ec587f307e319dc48733087fa61ac"
-
-		pk1String = "03c02a93134f98d9c78ec54b1b1f97fc64cd81360f53a293f41e4ad54aac3c5717"
-		pk2String = "03fea219d4ccfd7641cebbb2439740bb4bd7c4730c1abd6ca1dc44386533816df9"
-		pk3String = "02a33413277a319cc6fd4c54a2feb9032eba668ec587f307e319dc48733087fa61"
-	)
-
-	t.Run("shouls not fail", func(t *testing.T) {
-		wrongVS, err := hex.DecodeString(multiSigVerificationScript)
-		require.NoError(t, err)
-
-		wrongVS[len(wrongVS)-1] = 0x1
-
-		wrongPK, err := hex.DecodeString(multiSigVerificationScript)
-		require.NoError(t, err)
-		wrongPK[2] = 0x1
-
-		var testCases = []struct {
 	name      string
-			value []byte
+	publicKey string
-		}{
+	wallet    string
-			{name: "empty VerificationScript"},
+}
+
+func TestKeyToAddress(t *testing.T) {
+	tests := []addressTestCase{
 		{
-				name:  "wrong size VerificationScript",
+			"nil key",
-				value: []byte{0x1},
+			"",
+			"",
 		},
 		{
-				name:  "wrong VerificationScript type",
+			"correct key",
-				value: wrongVS,
+			"031a6c6fbbdf02ca351745fa86b9ba5a9452d785ac4f7fc2b7548ca2a46c4fcf4a",
-			},
+			"NgzuJWWGVEwFGsRrgzj8knswEYRJrTe7sm",
-			{
-				name:  "wrong public key in VerificationScript",
-				value: wrongPK,
 		},
 	}
 
-		for i := range testCases {
+	for i := range tests {
-			tt := testCases[i]
+		t.Run(tests[i].name, func(t *testing.T) {
-			t.Run(tt.name, func(t *testing.T) {
+			data, err := hex.DecodeString(tests[i].publicKey)
-				var keys []*ecdsa.PublicKey
-				require.NotPanics(t, func() {
-					keys = FetchPublicKeys(tt.value)
-				})
-				require.Nil(t, keys)
-			})
-		}
-	})
-
-	t.Run("check multi-sig address", func(t *testing.T) {
-		data, err := hex.DecodeString(multiSigVerificationScript)
 			require.NoError(t, err)
 
-		pk1Bytes, err := hex.DecodeString(pk1String)
+			key := crypto.UnmarshalPublicKey(data)
-		require.NoError(t, err)
 
-		pk2Bytes, err := hex.DecodeString(pk2String)
+			require.Equal(t, tests[i].wallet, KeyToAddress(key))
-		require.NoError(t, err)
-
-		pk1 := crypto.UnmarshalPublicKey(pk1Bytes)
-		pk2 := crypto.UnmarshalPublicKey(pk2Bytes)
-
-		keys := FetchPublicKeys(data)
-		require.Len(t, keys, 2)
-		require.Equal(t, keys[0], pk1)
-		require.Equal(t, keys[1], pk2)
-	})
-
-	t.Run("check normal address", func(t *testing.T) {
-		data, err := hex.DecodeString(normalVerificationScript)
-		require.NoError(t, err)
-
-		pkBytes, err := hex.DecodeString(pk3String)
-		require.NoError(t, err)
-
-		pk := crypto.UnmarshalPublicKey(pkBytes)
-
-		keys := FetchPublicKeys(data)
-		require.Len(t, keys, 1)
-		require.Equal(t, keys[0], pk)
-	})
-
-	t.Run("generate 10 keys VerificationScript and try parse it", func(t *testing.T) {
-		var (
-			count  = 10
-			expect = make([]*ecdsa.PublicKey, 0, count)
-		)
-
-		for i := 0; i < count; i++ {
-			key := test.DecodeKey(i)
-			expect = append(expect, &key.PublicKey)
-		}
-
-		vs := VerificationScript(expect...)
-
-		actual := FetchPublicKeys(vs)
-		require.Equal(t, expect, actual)
-	})
-}
-
-func TestReversedScriptHashToAddress(t *testing.T) {
-	var testCases = []struct {
-		name   string
-		value  string
-		expect string
-	}{
-		{
-			name:   "first",
-			expect: "APfiG5imQgn8dzTTfaDfqHnxo3QDUkF69A",
-			value:  "5696acd07f0927fd5f01946828638c9e2c90c5dc",
-		},
-
-		{
-			name:   "second",
-			expect: "AK2nJJpJr6o664CWJKi1QRXjqeic2zRp8y",
-			value:  "23ba2703c53263e8d6e522dc32203339dcd8eee9",
-		},
-	}
-
-	for i := range testCases {
-		tt := testCases[i]
-		t.Run(tt.name, func(t *testing.T) {
-			actual, err := ReversedScriptHashToAddress(tt.value)
-			require.NoError(t, err)
-			require.Equal(t, tt.expect, actual)
-			require.NoError(t, IsAddress(actual))
-		})
-	}
-}
-
-func TestReverseBytes(t *testing.T) {
-	var testCases = []struct {
-		name   string
-		value  []byte
-		expect []byte
-	}{
-		{name: "empty"},
-		{
-			name:   "single byte",
-			expect: []byte{0x1},
-			value:  []byte{0x1},
-		},
-
-		{
-			name:   "two bytes",
-			expect: []byte{0x2, 0x1},
-			value:  []byte{0x1, 0x2},
-		},
-
-		{
-			name:   "three bytes",
-			expect: []byte{0x3, 0x2, 0x1},
-			value:  []byte{0x1, 0x2, 0x3},
-		},
-
-		{
-			name:   "five bytes",
-			expect: []byte{0x5, 0x4, 0x3, 0x2, 0x1},
-			value:  []byte{0x1, 0x2, 0x3, 0x4, 0x5},
-		},
-
-		{
-			name:   "eight bytes",
-			expect: []byte{0x8, 0x7, 0x6, 0x5, 0x4, 0x3, 0x2, 0x1},
-			value:  []byte{0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8},
-		},
-	}
-
-	for i := range testCases {
-		tt := testCases[i]
-		t.Run(tt.name, func(t *testing.T) {
-			actual := ReverseBytes(tt.value)
-			require.Equal(t, tt.expect, actual)
 		})
 	}
 }

container/types.go

@@ -3,6 +3,7 @@ package container
 import (
 	"bytes"
 
+	"github.com/gogo/protobuf/proto"
 	"github.com/google/uuid"
 	"github.com/nspcc-dev/neofs-api-go/internal"
 	"github.com/nspcc-dev/neofs-api-go/refs"
@@ -63,6 +64,13 @@ func (m *Container) ID() (CID, error) {
 	return refs.CIDForBytes(data), nil
 }
 
+// Merge used by proto.Clone
+func (m *Container) Merge(src proto.Message) {
+	if tmp, ok := src.(*Container); ok {
+		*m = *tmp
+	}
+}
+
 // Empty checks that container is empty.
 func (m *Container) Empty() bool {
 	return m.Capacity == 0 || bytes.Equal(m.Salt.Bytes(), emptySalt) || bytes.Equal(m.OwnerID.Bytes(), emptyOwner)

go.mod

@@ -7,6 +7,7 @@ require (
 	github.com/golang/protobuf v1.4.2
 	github.com/google/uuid v1.1.1
 	github.com/mr-tron/base58 v1.1.3
+	github.com/nspcc-dev/neo-go v0.90.0
 	github.com/nspcc-dev/neofs-crypto v0.3.0
 	github.com/nspcc-dev/netmap v1.7.0
 	github.com/nspcc-dev/tzhash v1.4.0

go.sum

@@ -14,14 +14,23 @@ dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
+github.com/CityOfZion/neo-go v0.62.1-pre.0.20191114145240-e740fbe708f8/go.mod h1:MJCkWUBhi9pn/CrYO1Q3P687y2KeahrOPS9BD9LDGb0=
+github.com/CityOfZion/neo-go v0.70.1-pre.0.20191209120015-fccb0085941e/go.mod h1:0enZl0az8xA6PVkwzEOwPWVJGqlt/GO4hA4kmQ5Xzig=
+github.com/CityOfZion/neo-go v0.70.1-pre.0.20191212173117-32ac01130d4c/go.mod h1:JtlHfeqLywZLswKIKFnAp+yzezY4Dji9qlfQKB2OD/I=
+github.com/CityOfZion/neo-go v0.71.1-pre.0.20200129171427-f773ec69fb84/go.mod h1:FLI526IrRWHmcsO+mHsCbj64pJZhwQFTLJZu+A4PGOA=
+github.com/DataDog/zstd v1.4.1/go.mod h1:1jcaCB/ufaK+sKp1NBhlGmpz41jOoPQ35bpF36t7BBo=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
+github.com/Workiva/go-datastructures v1.0.50/go.mod h1:Z+F2Rca0qCsVYDS8z7bAGm8f3UkzuWYS/oBZz5a7VVA=
 github.com/abiosoft/ishell v2.0.0+incompatible/go.mod h1:HQR9AqF2R3P4XXpMpI0NAzgHf/aS6+zVXRj14cVk9qg=
 github.com/abiosoft/readline v0.0.0-20180607040430-155bce2042db/go.mod h1:rB3B4rKii8V21ydCbIzH5hZiCQE7f5E9SzUb/ZZx530=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/alicebob/gopher-json v0.0.0-20180125190556-5a6b3ba71ee6/go.mod h1:SGnFV6hVsYE877CKEZ6tDNTjaSXYUk6QqoIK6PrAtcc=
+github.com/alicebob/miniredis v2.5.0+incompatible/go.mod h1:8HZjEj4yU0dwhYHky+DxYx+6BMjkBbe5ONFIF1MXffk=
 github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
+github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
 github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
 github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
 github.com/awalterschulze/gographviz v0.0.0-20181013152038-b2885df04310 h1:t+qxRrRtwNiUYA+Xh2jSXhoG2grnMCMKX4Fg6lx9X1U=
@@ -35,28 +44,40 @@ github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c/go.mod h1:MKsuJm
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
+github.com/cespare/xxhash/v2 v2.1.0/go.mod h1:dgIUBU3pDso/gPgZ1osOZ0iQf77oPR28Tjxl5dIMyVM=
 github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
+github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
 github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
+github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
 github.com/coreos/etcd v3.3.13+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
+github.com/coreos/go-etcd v2.0.0+incompatible/go.mod h1:Jez6KQU2B/sWsbdaef3ED8NzMklzPG4d5KIOhIy30Tk=
+github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
 github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
 github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
+github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE=
 github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/dgraph-io/badger/v2 v2.0.3/go.mod h1:3KY8+bsP8wI0OEnQJAKpd4wIJW/Mm32yw2j/9FUVnIM=
+github.com/dgraph-io/ristretto v0.0.2-0.20200115201040-8f368f2f2ab3/go.mod h1:KPxhHT9ZxKefz+PCeOGsrHpl1qZ7i70dGTu2u+Ahh6E=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
+github.com/dgryski/go-farm v0.0.0-20190423205320-6a90982ecee2/go.mod h1:SqUrOPUnsFjfmXRMNPybcSiG0BgUW2AuFH8PAnS2iTw=
 github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
+github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
+github.com/etcd-io/bbolt v1.3.3/go.mod h1:ZF2nL25h33cCyBtcyWeZ2/I3HQOfTP+0PIEvHjkjCrw=
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
 github.com/flynn-archive/go-shlex v0.0.0-20150515145356-3f9db97f8568/go.mod h1:rZfgFAXFS/z/lEd6LJmf9HVZ1LkgYiHx5pHhV5DR16M=
+github.com/frankban/quicktest v1.10.0/go.mod h1:ui7WezCLWMWxVWr1GETZY3smRy0G4KWq9vcPtJmFl7Y=
 github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
@@ -65,7 +86,9 @@ github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2
 github.com/go-kit/kit v0.9.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
 github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
 github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
+github.com/go-redis/redis v6.10.2+incompatible/go.mod h1:NAIEuMOZ/fxfXJIrKDQDz8wamY7mA7PouImQ2Jvg6kA=
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
+github.com/go-yaml/yaml v2.1.0+incompatible/go.mod h1:w2MrLa16VYP0jy6N7M5kHaCkaLENm+P+Tv+MfurjSw0=
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
 github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
 github.com/gogo/protobuf v1.3.0/go.mod h1:SlYgWuQ5SjCEi6WLHjHCa1yvBfUnHcTbrrZtXPKa29o=
@@ -91,6 +114,9 @@ github.com/golang/protobuf v1.4.0 h1:oOuy+ugB+P/kBdUnG5QaMXSIyJ1q38wWSojYCb3z5VQ
 github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
 github.com/golang/protobuf v1.4.2 h1:+Z5KGCizgyZCbGh1KZqA0fcLLkwbsjIzS4aV2v7wJX0=
 github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
+github.com/golang/snappy v0.0.0-20170215233205-553a64147049/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
+github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
+github.com/gomodule/redigo v2.0.0+incompatible/go.mod h1:B4C85qUVwatsJoIUNIfCRsp7qO0iAmpGFZ4EELWSbC4=
 github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
 github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
@@ -134,8 +160,11 @@ github.com/hashicorp/logutils v1.0.0/go.mod h1:QIAnNjmIWmVIIkWDTG1z5v++HQmx9WQRO
 github.com/hashicorp/mdns v1.0.0/go.mod h1:tL+uN++7HEJ6SQLQ2/p+z2pH24WQKWjBPkE0mNTz8vQ=
 github.com/hashicorp/memberlist v0.1.3/go.mod h1:ajVTdAv/9Im8oMAAj5G31PhhMCZJV2pPBoIllUwCN7I=
 github.com/hashicorp/serf v0.8.2/go.mod h1:6hOLApaqBFA1NXqRQAsxw9QxuDEvNxSQRwA/JwenrHc=
+github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
+github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
 github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo=
 github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
+github.com/json-iterator/go v1.1.7/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
 github.com/json-iterator/go v1.1.9/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
 github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
 github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7C0MuV77Wo=
@@ -148,19 +177,27 @@ github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxv
 github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
 github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
+github.com/kr/pretty v0.2.0/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
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@@ -201,6 +254,7 @@ github.com/posener/complete v1.1.1/go.mod h1:em0nMJCgc9GFtwrmVmEMR/ZL6WyhyjMBndr
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@@ -212,16 +266,19 @@ github.com/prometheus/client_model v0.2.0/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6T
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@@ -238,10 +295,12 @@ github.com/spf13/afero v1.1.2 h1:m8/z1t7/fwjysjQRYbP0RD+bUIF/8tJwPdEZsI83ACI=
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@@ -254,9 +313,17 @@ github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H
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@@ -264,9 +331,11 @@ go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/
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 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
@@ -289,6 +358,7 @@ golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKG
 golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181023162649-9b4f9f5ad519/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181201002055-351d144fa1fc/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -317,11 +387,15 @@ golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181026203630-95b1ffbd15a5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181107165924-66b7b1311ac8/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20181205085412-a5c9d58dba9a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181228144115-9a3f9b0469bb/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190204203706-41f3e6584952/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d h1:+R4KGOnez64A81RvjARKc4UT5/tI9ujCIVX+P5KiHuI=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -330,8 +404,14 @@ golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190626221950-04f50cda93cb/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191008105621-543471e840be/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191010194322-b09406accb47/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200106162015-b016eb3dc98e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200113162924-86b910548bc1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200420163511-1957bb5e6d1f h1:gWF768j/LaZugp8dyS4UwsslYCYz9XgFxvlgsn0n9H8=
 golang.org/x/sys v0.0.0-20200420163511-1957bb5e6d1f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
@@ -342,6 +422,7 @@ golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20180318012157-96caea41033d/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20181030221726-6c7e314b6563/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
@@ -408,9 +489,11 @@ gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
+gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
 gopkg.in/ini.v1 v1.51.0 h1:AQvPpx3LzTDM0AjnIRlVFwFFGC+npRopjZxLJj6gdno=
 gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
+gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=

hash/hash.go

@@ -3,6 +3,7 @@ package hash
 import (
 	"bytes"
 
+	"github.com/gogo/protobuf/proto"
 	"github.com/mr-tron/base58"
 	"github.com/nspcc-dev/neofs-api-go/internal"
 	"github.com/nspcc-dev/tzhash/tz"
@@ -78,6 +79,13 @@ func (h Hash) Validate(hashes []Hash) bool {
 	return err == nil && ok
 }
 
+// Merge used by proto.Clone
+func (h *Hash) Merge(src proto.Message) {
+	if tmp, ok := src.(*Hash); ok {
+		*h = *tmp
+	}
+}
+
 // Sum returns Tillich-Zémor checksum of data.
 func Sum(data []byte) Hash { return tz.Sum(data) }
 

internal/proto.go

@@ -13,4 +13,7 @@ type Custom interface {
 	MarshalTo(data []byte) (int, error)
 	Unmarshal(data []byte) error
 	proto.Message
+
+	// Should contains for proto.Clone
+	proto.Merger
 }

object/types.go

@@ -163,6 +163,13 @@ func (m *Object) SetHeader(h *Header) {
 	m.AddHeader(h)
 }
 
+// Merge used by proto.Clone
+func (m *Object) Merge(src proto.Message) {
+	if tmp, ok := src.(*Object); ok {
+		tmp.CopyTo(m)
+	}
+}
+
 func (m Header) typeOf(t isHeader_Value) (ok bool) {
 	switch t.(type) {
 	case *Header_Link:
@@ -233,8 +240,15 @@ func (m *Object) Copy() (obj *Object) {
 // This function creates copies on every available data slice.
 func (m *Object) CopyTo(o *Object) {
 	o.SystemHeader = m.SystemHeader
+
+	if m.Headers != nil {
 		o.Headers = make([]Header, len(m.Headers))
+	}
+
+	if m.Payload != nil {
 		o.Payload = make([]byte, len(m.Payload))
+		copy(o.Payload, m.Payload)
+	}
 
 	for i := range m.Headers {
 		switch v := m.Headers[i].Value.(type) {
@@ -246,23 +260,23 @@ func (m *Object) CopyTo(o *Object) {
 				},
 			}
 		case *Header_HomoHash:
+			hash := proto.Clone(&v.HomoHash).(*Hash)
 			o.Headers[i] = Header{
 				Value: &Header_HomoHash{
-					HomoHash: v.HomoHash,
+					HomoHash: *hash,
 				},
 			}
 		case *Header_Token:
+			token := *v.Token
 			o.Headers[i] = Header{
 				Value: &Header_Token{
-					Token: v.Token,
+					Token: &token,
 				},
 			}
 		default:
 			o.Headers[i] = *proto.Clone(&m.Headers[i]).(*Header)
 		}
 	}
-
-	copy(o.Payload, m.Payload)
 }
 
 // Address returns object's address.

object/types_test.go

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"testing"
 
+	"github.com/gogo/protobuf/proto"
 	"github.com/nspcc-dev/neofs-api-go/refs"
 	"github.com/nspcc-dev/neofs-api-go/service"
 	"github.com/nspcc-dev/neofs-api-go/storagegroup"
@@ -17,7 +18,7 @@ Object:
 	SystemHeader:
 		- ID=7e0b9c6c-aabc-4985-949e-2680e577b48b
 		- CID=11111111111111111111111111111111
-		- OwnerID=ALYeYC41emF6MrmUMc4a8obEPdgFhq9ran
+		- OwnerID=NQHKh7fKGieCPrPuiEkY58ucRFwWMyU1Mc
 		- Version=1
 		- PayloadLength=1
 		- CreatedAt={UnixTime=1 Epoch=1}
@@ -33,7 +34,7 @@ Object:
 		- Type=Tombstone
 		  Value=MARKED
 		- Type=Token
-		  Value={ID=7e0b9c6c-aabc-4985-949e-2680e577b48b OwnerID=ALYeYC41emF6MrmUMc4a8obEPdgFhq9ran Verb=Search Address=11111111111111111111111111111111/7e0b9c6c-aabc-4985-949e-2680e577b48b Created=1 ValidUntil=2 SessionKey=010203040506 Signature=010203040506}
+		  Value={ID=7e0b9c6c-aabc-4985-949e-2680e577b48b OwnerID=NQHKh7fKGieCPrPuiEkY58ucRFwWMyU1Mc Verb=Search Address=11111111111111111111111111111111/7e0b9c6c-aabc-4985-949e-2680e577b48b Created=1 ValidUntil=2 SessionKey=010203040506 Signature=010203040506}
 		- Type=HomoHash
 		  Value=1111111111111111111111111111111111111111111111111111111111111111
 		- Type=PayloadChecksum
@@ -192,11 +193,23 @@ func TestObject_Copy(t *testing.T) {
 			},
 		})
 
+		{ // Copying
 			cp := obj.Copy()
 
 			_, h := cp.LastHeader(HeaderType(TokenHdr))
 			require.NotNil(t, h)
 			require.Equal(t, token, h.GetValue().(*Header_Token).Token)
+		}
+
+		{ // Cloning
+			cl := proto.Clone(obj).(*Object)
+			require.Equal(t, obj, cl)
+
+			_, h := cl.LastHeader(HeaderType(TokenHdr))
+			h.GetToken().SetID(service.TokenID{3, 2, 1})
+
+			require.NotEqual(t, token, h.GetToken())
+		}
 	})
 }
 

refs/address.go

@@ -4,6 +4,7 @@ import (
 	"crypto/sha256"
 	"strings"
 
+	"github.com/gogo/protobuf/proto"
 	"github.com/nspcc-dev/neofs-api-go/internal"
 )
 
@@ -66,3 +67,14 @@ func (m Address) Hash() ([]byte, error) {
 	h := sha256.Sum256(append(m.ObjectID.Bytes(), m.CID.Bytes()...))
 	return h[:], nil
 }
+
+// Merge used by proto.Clone
+func (m *Address) Merge(src proto.Message) {
+	if addr, ok := src.(*Address); ok {
+		cid := proto.Clone(&addr.CID).(*CID)
+		oid := proto.Clone(&addr.ObjectID).(*ObjectID)
+
+		m.CID = *cid
+		m.ObjectID = *oid
+	}
+}

refs/cid.go

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"crypto/sha256"
 
+	"github.com/gogo/protobuf/proto"
 	"github.com/mr-tron/base58"
 	"github.com/pkg/errors"
 )
@@ -94,3 +95,10 @@ func (c CID) Verify(data []byte) error {
 	}
 	return nil
 }
+
+// Merge used by proto.Clone
+func (c *CID) Merge(src proto.Message) {
+	if cid, ok := src.(*CID); ok {
+		*c = *cid
+	}
+}

refs/owner.go

@@ -4,23 +4,28 @@ import (
 	"bytes"
 	"crypto/ecdsa"
 
+	"github.com/gogo/protobuf/proto"
 	"github.com/mr-tron/base58"
 	"github.com/nspcc-dev/neofs-api-go/chain"
 	"github.com/pkg/errors"
 )
 
-// NewOwnerID returns generated OwnerID from passed public keys.
+// NewOwnerID returns generated OwnerID from passed public key.
-func NewOwnerID(keys ...*ecdsa.PublicKey) (owner OwnerID, err error) {
+func NewOwnerID(key *ecdsa.PublicKey) (owner OwnerID, err error) {
-	if len(keys) == 0 {
+	if key == nil {
 		return
 	}
+
 	var d []byte
-	d, err = base58.Decode(chain.KeysToAddress(keys...))
+
+	d, err = base58.Decode(chain.KeyToAddress(key))
 	if err != nil {
 		return
 	}
+
 	copy(owner[:], d)
-	return owner, nil
+
+	return
 }
 
 // Size returns OwnerID size in bytes (OwnerIDSize).
@@ -63,3 +68,10 @@ func (o *OwnerID) Unmarshal(data []byte) error {
 	copy((*o)[:], data)
 	return nil
 }
+
+// Merge used by proto.Clone
+func (o *OwnerID) Merge(src proto.Message) {
+	if uid, ok := src.(*OwnerID); ok {
+		*o = *uid
+	}
+}

refs/types_test.go

@@ -23,6 +23,19 @@ func TestSGID(t *testing.T) {
 		require.NoError(t, sgid2.Unmarshal(data))
 		require.Equal(t, sgid1, sgid2)
 	})
+
+	t.Run("check that proto.Clone works like expected", func(t *testing.T) {
+		var (
+			sgid1 UUID
+			sgid2 *UUID
+		)
+
+		sgid1, err := NewSGID()
+		require.NoError(t, err)
+
+		sgid2 = proto.Clone(&sgid1).(*SGID)
+		require.Equal(t, sgid1, *sgid2)
+	})
 }
 
 func TestUUID(t *testing.T) {
@@ -66,7 +79,7 @@ func TestOwnerID(t *testing.T) {
 	t.Run("check that marshal/unmarshal works like expected", func(t *testing.T) {
 		var u1, u2 OwnerID
 
-		owner, err := NewOwnerID()
+		owner, err := NewOwnerID(nil)
 		require.NoError(t, err)
 		require.True(t, owner.Empty())
 
@@ -80,6 +93,18 @@ func TestOwnerID(t *testing.T) {
 		require.NoError(t, u2.Unmarshal(data))
 		require.Equal(t, u1, u2)
 	})
+
+	t.Run("check that proto.Clone works like expected", func(t *testing.T) {
+		var u2 *OwnerID
+
+		key := test.DecodeKey(0)
+
+		u1, err := NewOwnerID(&key.PublicKey)
+		require.NoError(t, err)
+
+		u2 = proto.Clone(&u1).(*OwnerID)
+		require.Equal(t, u1, *u2)
+	})
 }
 
 func TestAddress(t *testing.T) {
@@ -109,4 +134,8 @@ func TestAddress(t *testing.T) {
 	actual, err := ParseAddress(expect)
 	require.NoError(t, err)
 	require.Equal(t, expect, actual.String())
+
+	addr := proto.Clone(actual).(*Address)
+	require.Equal(t, actual, addr)
+	require.Equal(t, expect, addr.String())
 }

refs/uuid.go

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"encoding/hex"
 
+	"github.com/gogo/protobuf/proto"
 	"github.com/google/uuid"
 	"github.com/pkg/errors"
 )
@@ -74,3 +75,10 @@ func (u *UUID) Parse(id string) error {
 	copy((*u)[:], tmp[:])
 	return nil
 }
+
+// Merge used by proto.Clone
+func (u *UUID) Merge(src proto.Message) {
+	if tmp, ok := src.(*UUID); ok {
+		*u = *tmp
+	}
+}

service/verify.go

@@ -4,6 +4,7 @@ import (
 	"crypto/ecdsa"
 	"io"
 
+	"github.com/gogo/protobuf/proto"
 	"github.com/nspcc-dev/neofs-api-go/internal"
 	crypto "github.com/nspcc-dev/neofs-crypto"
 )
@@ -109,6 +110,13 @@ func (t testCustomField) MarshalTo(data []byte) (int, error) { return 0, nil }
 // Marshal skip, it's for test usage only.
 func (t testCustomField) Marshal() ([]byte, error) { return nil, nil }
 
+// Merge used by proto.Clone
+func (t *testCustomField) Merge(src proto.Message) {
+	if tmp, ok := src.(*testCustomField); ok {
+		*t = *tmp
+	}
+}
+
 // GetBearerToken wraps Bearer field and return BearerToken interface.
 //
 // If Bearer field value is nil, nil returns.