[#339] netmap: Support protocol changes related to NetworkInfo

Recompile NeoFS API protobuf files. Implement `NetworkParameter` and
`NetworkConfig` types. Expand `NetworkInfo` type with MillisecondsPerBlock
and `NetworkConfig`.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>

pkg/netmap/network_info.go

@@ -19,7 +19,9 @@ func NewNetworkInfoFromV2(iV2 *netmap.NetworkInfo) *NetworkInfo {
 //
 // Defaults:
 //  - curEpoch: 0;
-//  - magicNum: 0.
+//  - magicNum: 0;
+//  - msPerBlock: 0;
+//  - network config: nil.
 func NewNetworkInfo() *NetworkInfo {
 	return NewNetworkInfoFromV2(new(netmap.NetworkInfo))
 }
@@ -55,6 +57,32 @@ func (i *NetworkInfo) SetMagicNumber(epoch uint64) {
 		SetMagicNumber(epoch)
 }
 
+// MsPerBlock returns MillisecondsPerBlock network parameter.
+func (i *NetworkInfo) MsPerBlock() int64 {
+	return (*netmap.NetworkInfo)(i).
+		GetMsPerBlock()
+}
+
+// SetMsPerBlock sets MillisecondsPerBlock network parameter.
+func (i *NetworkInfo) SetMsPerBlock(v int64) {
+	(*netmap.NetworkInfo)(i).
+		SetMsPerBlock(v)
+}
+
+// NetworkConfig returns NeoFS network configuration.
+func (i *NetworkInfo) NetworkConfig() *NetworkConfig {
+	return NewNetworkConfigFromV2(
+		(*netmap.NetworkInfo)(i).
+			GetNetworkConfig(),
+	)
+}
+
+// SetNetworkConfig sets NeoFS network configuration.
+func (i *NetworkInfo) SetNetworkConfig(v *NetworkConfig) {
+	(*netmap.NetworkInfo)(i).
+		SetNetworkConfig(v.ToV2())
+}
+
 // Marshal marshals NetworkInfo into a protobuf binary form.
 //
 // Buffer is allocated when the argument is empty.
@@ -86,3 +114,112 @@ func (i *NetworkInfo) UnmarshalJSON(data []byte) error {
 	return (*netmap.NetworkInfo)(i).
 		UnmarshalJSON(data)
 }
+
+// NetworkParameter represents v2-compatible NeoFS network parameter.
+type NetworkParameter netmap.NetworkParameter
+
+// NewNetworkParameterFromV2 wraps v2 NetworkParameter message to NetworkParameter.
+//
+// Nil netmap.NetworkParameter converts to nil.
+func NewNetworkParameterFromV2(pv2 *netmap.NetworkParameter) *NetworkParameter {
+	return (*NetworkParameter)(pv2)
+}
+
+// NewNetworkParameter creates and initializes blank NetworkParameter.
+//
+// Defaults:
+//  - key: nil;
+//  - value: nil.
+func NewNetworkParameter() *NetworkParameter {
+	return NewNetworkParameterFromV2(new(netmap.NetworkParameter))
+}
+
+// ToV2 converts NetworkParameter to v2 NetworkParameter.
+//
+// Nil NetworkParameter converts to nil.
+func (x *NetworkParameter) ToV2() *netmap.NetworkParameter {
+	return (*netmap.NetworkParameter)(x)
+}
+
+// Key returns key to network parameter.
+func (x *NetworkParameter) Key() []byte {
+	return (*netmap.NetworkParameter)(x).
+		GetKey()
+}
+
+// SetKey sets key to the network parameter.
+func (x *NetworkParameter) SetKey(key []byte) {
+	(*netmap.NetworkParameter)(x).
+		SetKey(key)
+}
+
+// Value returns value of the network parameter.
+func (x *NetworkParameter) Value() []byte {
+	return (*netmap.NetworkParameter)(x).
+		GetValue()
+}
+
+// SetValue sets value of the network parameter.
+func (x *NetworkParameter) SetValue(val []byte) {
+	(*netmap.NetworkParameter)(x).
+		SetValue(val)
+}
+
+// NetworkConfig represents v2-compatible NeoFS network configuration.
+type NetworkConfig netmap.NetworkConfig
+
+// NewNetworkConfigFromV2 wraps v2 NetworkConfig message to NetworkConfig.
+//
+// Nil netmap.NetworkConfig converts to nil.
+func NewNetworkConfigFromV2(cv2 *netmap.NetworkConfig) *NetworkConfig {
+	return (*NetworkConfig)(cv2)
+}
+
+// NewNetworkConfig creates and initializes blank NetworkConfig.
+//
+// Defaults:
+//  - parameters num: 0.
+func NewNetworkConfig() *NetworkConfig {
+	return NewNetworkConfigFromV2(new(netmap.NetworkConfig))
+}
+
+// ToV2 converts NetworkConfig to v2 NetworkConfig.
+//
+// Nil NetworkConfig converts to nil.
+func (x *NetworkConfig) ToV2() *netmap.NetworkConfig {
+	return (*netmap.NetworkConfig)(x)
+}
+
+// NumberOfParameters returns number of network parameters.
+func (x *NetworkConfig) NumberOfParameters() int {
+	return (*netmap.NetworkConfig)(x).NumberOfParameters()
+}
+
+// IterateAddresses iterates over network parameters.
+// Breaks iteration on f's true return.
+//
+// Handler should not be nil.
+func (x *NetworkConfig) IterateParameters(f func(*NetworkParameter) bool) {
+	(*netmap.NetworkConfig)(x).
+		IterateParameters(func(p *netmap.NetworkParameter) bool {
+			return f(NewNetworkParameterFromV2(p))
+		})
+}
+
+// Value returns value of the network parameter.
+func (x *NetworkConfig) SetParameters(ps ...*NetworkParameter) {
+	var psV2 []*netmap.NetworkParameter
+
+	if ps != nil {
+		ln := len(ps)
+
+		psV2 = make([]*netmap.NetworkParameter, 0, ln)
+
+		for i := 0; i < ln; i++ {
+			psV2 = append(psV2, ps[i].ToV2())
+		}
+	}
+
+	(*netmap.NetworkConfig)(x).
+		SetParameters(psV2...)
+}

pkg/netmap/network_info_test.go

@@ -1,11 +1,124 @@
-package netmap
+package netmap_test
 
 import (
 	"testing"
 
+	. "github.com/nspcc-dev/neofs-api-go/pkg/netmap"
+	netmaptest "github.com/nspcc-dev/neofs-api-go/pkg/netmap/test"
 	"github.com/stretchr/testify/require"
 )
 
+func TestNetworkParameter_Key(t *testing.T) {
+	i := NewNetworkParameter()
+
+	k := []byte("key")
+
+	i.SetKey(k)
+
+	require.Equal(t, k, i.Key())
+	require.Equal(t, k, i.ToV2().GetKey())
+}
+
+func TestNetworkParameter_Value(t *testing.T) {
+	i := NewNetworkParameter()
+
+	v := []byte("value")
+
+	i.SetValue(v)
+
+	require.Equal(t, v, i.Value())
+	require.Equal(t, v, i.ToV2().GetValue())
+}
+
+func TestNewNetworkParameterFromV2(t *testing.T) {
+	t.Run("nil", func(t *testing.T) {
+		require.Nil(t, NewNetworkParameterFromV2(nil))
+	})
+}
+
+func TestNetworkParameter_ToV2(t *testing.T) {
+	t.Run("nil", func(t *testing.T) {
+		var x *NetworkParameter
+
+		require.Nil(t, x.ToV2())
+	})
+}
+
+func TestNewNetworkParameter(t *testing.T) {
+	x := NewNetworkParameter()
+
+	// check initial values
+	require.Nil(t, x.Key())
+	require.Nil(t, x.Value())
+
+	// convert to v2 message
+	xV2 := x.ToV2()
+
+	require.Nil(t, xV2.GetKey())
+	require.Nil(t, xV2.GetValue())
+}
+
+func TestNetworkConfig_SetParameters(t *testing.T) {
+	x := NewNetworkConfig()
+
+	require.Zero(t, x.NumberOfParameters())
+
+	called := 0
+
+	x.IterateParameters(func(p *NetworkParameter) bool {
+		called++
+		return false
+	})
+
+	require.Zero(t, called)
+
+	pps := []*NetworkParameter{
+		netmaptest.NetworkParameter(),
+		netmaptest.NetworkParameter(),
+	}
+
+	x.SetParameters(pps...)
+
+	require.EqualValues(t, len(pps), x.NumberOfParameters())
+
+	var dst []*NetworkParameter
+
+	x.IterateParameters(func(p *NetworkParameter) bool {
+		dst = append(dst, p)
+		called++
+		return false
+	})
+
+	require.Equal(t, pps, dst)
+	require.Equal(t, len(pps), called)
+}
+
+func TestNewNetworkConfigFromV2(t *testing.T) {
+	t.Run("nil", func(t *testing.T) {
+		require.Nil(t, NewNetworkConfigFromV2(nil))
+	})
+}
+
+func TestNetworkConfig_ToV2(t *testing.T) {
+	t.Run("nil", func(t *testing.T) {
+
+		var x *NetworkConfig
+		require.Nil(t, x.ToV2())
+	})
+}
+
+func TestNewNetworkConfig(t *testing.T) {
+	x := NewNetworkConfig()
+
+	// check initial values
+	require.Zero(t, x.NumberOfParameters())
+
+	// convert to v2 message
+	xV2 := x.ToV2()
+
+	require.Zero(t, xV2.NumberOfParameters())
+}
+
 func TestNetworkInfo_CurrentEpoch(t *testing.T) {
 	i := NewNetworkInfo()
 	e := uint64(13)
@@ -26,10 +139,29 @@ func TestNetworkInfo_MagicNumber(t *testing.T) {
 	require.Equal(t, m, i.ToV2().GetMagicNumber())
 }
 
-func TestNetworkInfoEncoding(t *testing.T) {
+func TestNetworkInfo_MsPerBlock(t *testing.T) {
 	i := NewNetworkInfo()
-	i.SetCurrentEpoch(13)
-	i.SetMagicNumber(666)
+
+	const ms = 987
+
+	i.SetMsPerBlock(ms)
+
+	require.EqualValues(t, ms, i.MsPerBlock())
+	require.EqualValues(t, ms, i.ToV2().GetMsPerBlock())
+}
+
+func TestNetworkInfo_Config(t *testing.T) {
+	i := NewNetworkInfo()
+
+	c := netmaptest.NetworkConfig()
+
+	i.SetNetworkConfig(c)
+
+	require.Equal(t, c, i.NetworkConfig())
+}
+
+func TestNetworkInfoEncoding(t *testing.T) {
+	i := netmaptest.NetworkInfo()
 
 	t.Run("binary", func(t *testing.T) {
 		data, err := i.Marshal()
@@ -72,10 +204,12 @@ func TestNewNetworkInfo(t *testing.T) {
 	// check initial values
 	require.Zero(t, ni.CurrentEpoch())
 	require.Zero(t, ni.MagicNumber())
+	require.Zero(t, ni.MsPerBlock())
 
 	// convert to v2 message
 	niV2 := ni.ToV2()
 
 	require.Zero(t, niV2.GetCurrentEpoch())
 	require.Zero(t, niV2.GetMagicNumber())
+	require.Zero(t, niV2.GetMsPerBlock())
 }

pkg/netmap/test/generate.go

@@ -59,12 +59,36 @@ func PlacementPolicy() *netmap.PlacementPolicy {
 	return x
 }
 
+// NetworkParameter returns random netmap.NetworkParameter.
+func NetworkParameter() *netmap.NetworkParameter {
+	x := netmap.NewNetworkParameter()
+
+	x.SetKey([]byte("key"))
+	x.SetValue([]byte("value"))
+
+	return x
+}
+
+// NetworkConfig returns random netmap.NetworkConfig.
+func NetworkConfig() *netmap.NetworkConfig {
+	x := netmap.NewNetworkConfig()
+
+	x.SetParameters(
+		NetworkParameter(),
+		NetworkParameter(),
+	)
+
+	return x
+}
+
 // NetworkInfo returns random netmap.NetworkInfo.
 func NetworkInfo() *netmap.NetworkInfo {
 	x := netmap.NewNetworkInfo()
 
 	x.SetCurrentEpoch(21)
 	x.SetMagicNumber(32)
+	x.SetMsPerBlock(43)
+	x.SetNetworkConfig(NetworkConfig())
 
 	return x
 }

pkg/version.go

@@ -9,7 +9,7 @@ import (
 // Version represents v2-compatible version.
 type Version refs.Version
 
-const sdkMjr, sdkMnr = 2, 9
+const sdkMjr, sdkMnr = 2, 10
 
 // NewVersionFromV2 wraps v2 Version message to Version.
 //

v2/netmap/convert.go

@@ -514,6 +514,89 @@ func (l *LocalNodeInfoResponse) FromGRPCMessage(m grpc.Message) error {
 	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 := 0; i < ln; i++ {
+				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, 0, ln)
+
+		for i := 0; i < ln; i++ {
+			var p *NetworkParameter
+
+			if psV2[i] != nil {
+				p = new(NetworkParameter)
+
+				if err := p.FromGRPCMessage(psV2[i]); err != nil {
+					return err
+				}
+			}
+
+			ps = append(ps, p)
+		}
+	}
+
+	x.ps = ps
+
+	return nil
+}
+
 func (i *NetworkInfo) ToGRPCMessage() grpc.Message {
 	var m *netmap.NetworkInfo
 
@@ -522,6 +605,8 @@ func (i *NetworkInfo) ToGRPCMessage() grpc.Message {
 
 		m.SetMagicNumber(i.magicNum)
 		m.SetCurrentEpoch(i.curEpoch)
+		m.SetMsPerBlock(i.msPerBlock)
+		m.SetNetworkConfig(i.netCfg.ToGRPCMessage().(*netmap.NetworkConfig))
 	}
 
 	return m
@@ -533,8 +618,25 @@ func (i *NetworkInfo) FromGRPCMessage(m grpc.Message) error {
 		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
 }

v2/netmap/grpc/types.go

@@ -182,6 +182,20 @@ func (x *NetworkInfo) SetMagicNumber(v uint64) {
 	}
 }
 
+// SetMsPerBlock sets MillisecondsPerBlock network parameter.
+func (x *NetworkInfo) SetMsPerBlock(v int64) {
+	if x != nil {
+		x.MsPerBlock = v
+	}
+}
+
+// SetNetworkConfig sets NeoFS network configuration.
+func (x *NetworkInfo) SetNetworkConfig(v *NetworkConfig) {
+	if x != nil {
+		x.NetworkConfig = v
+	}
+}
+
 // FromString parses Clause from a string representation,
 // It is a reverse action to String().
 //
@@ -220,3 +234,24 @@ func (x *NodeInfo_State) FromString(s string) bool {
 
 	return ok
 }
+
+// SetKey sets parameter key.
+func (x *NetworkConfig_Parameter) SetKey(v []byte) {
+	if x != nil {
+		x.Key = v
+	}
+}
+
+// SetValue sets parameter value.
+func (x *NetworkConfig_Parameter) SetValue(v []byte) {
+	if x != nil {
+		x.Value = v
+	}
+}
+
+// SetParameters sets NeoFS network parameters.
+func (x *NetworkConfig) SetParameters(v []*NetworkConfig_Parameter) {
+	if x != nil {
+		x.Parameters = v
+	}
+}

v2/netmap/marshal.go

@@ -468,10 +468,101 @@ 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, error) {
+	if x == nil {
+		return []byte{}, nil
+	}
+
+	if buf == nil {
+		buf = make([]byte, x.StableSize())
+	}
+
+	var (
+		offset, n int
+		err       error
+	)
+
+	n, err = protoutil.BytesMarshal(netPrmKeyFNum, buf[offset:], x.k)
+	if err != nil {
+		return nil, err
+	}
+
+	offset += n
+
+	_, err = protoutil.BytesMarshal(netPrmValFNum, buf[offset:], x.v)
+	if err != nil {
+		return nil, err
+	}
+
+	return buf, nil
+}
+
+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, error) {
+	if x == nil {
+		return []byte{}, nil
+	}
+
+	if buf == nil {
+		buf = make([]byte, x.StableSize())
+	}
+
+	var (
+		offset, n int
+		err       error
+	)
+
+	for i := range x.ps {
+		n, err = protoutil.NestedStructureMarshal(netCfgPrmsFNum, buf[offset:], x.ps[i])
+		if err != nil {
+			return nil, err
+		}
+
+		offset += n
+	}
+
+	return buf, nil
+}
+
+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, error) {
@@ -495,7 +586,21 @@ func (i *NetworkInfo) StableMarshal(buf []byte) ([]byte, error) {
 
 	offset += n
 
-	_, err = protoutil.UInt64Marshal(netInfoMagicNumFNum, buf[offset:], i.magicNum)
+	n, err = protoutil.UInt64Marshal(netInfoMagicNumFNum, buf[offset:], i.magicNum)
+	if err != nil {
+		return nil, err
+	}
+
+	offset += n
+
+	n, err = protoutil.Int64Marshal(netInfoMSPerBlockFNum, buf[offset:], i.msPerBlock)
+	if err != nil {
+		return nil, err
+	}
+
+	offset += n
+
+	_, err = protoutil.NestedStructureMarshal(netInfoCfgFNum, buf[offset:], i.netCfg)
 	if err != nil {
 		return nil, err
 	}
@@ -510,6 +615,8 @@ func (i *NetworkInfo) StableSize() (size int) {
 
 	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
 }

v2/netmap/message_test.go

@@ -18,6 +18,8 @@ func TestMessageConvert(t *testing.T) {
 		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) },

v2/netmap/test/generate.go

@@ -188,12 +188,38 @@ func GenerateLocalNodeInfoResponse(empty bool) *netmap.LocalNodeInfoResponse {
 	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

v2/netmap/types.go

@@ -517,10 +517,86 @@ func (l *LocalNodeInfoResponse) SetBody(body *LocalNodeInfoResponseBody) {
 	}
 }
 
+// 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) {
+	if x != nil {
+		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) {
+	if x != nil {
+		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) {
+	if x != nil {
+		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.
@@ -555,6 +631,38 @@ func (i *NetworkInfo) SetMagicNumber(magic uint64) {
 	}
 }
 
+// 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) {
+	if i != nil {
+		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) {
+	if i != nil {
+		i.netCfg = v
+	}
+}
+
 // NetworkInfoRequestBody is a structure of NetworkInfo request body.
 type NetworkInfoRequestBody struct{}