Add v2 version to go module name

Replace all elements from `v2` to root directory.

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

session/util.go

@@ -0,0 +1,171 @@
+package session
+
+import (
+	session "github.com/nspcc-dev/neofs-api-go/v2/session/grpc"
+)
+
+// RequestHeaders represents common part of
+// all NeoFS requests including headers.
+type RequestHeaders struct {
+	metaHeader *RequestMetaHeader
+
+	verifyHeader *RequestVerificationHeader
+}
+
+// GetMetaHeader returns meta header of the request.
+func (c *RequestHeaders) GetMetaHeader() *RequestMetaHeader {
+	if c != nil {
+		return c.metaHeader
+	}
+
+	return nil
+}
+
+// SetMetaHeader sets meta header of the request.
+func (c *RequestHeaders) SetMetaHeader(v *RequestMetaHeader) {
+	if c != nil {
+		c.metaHeader = v
+	}
+}
+
+// GetVerificationHeader returns verification header of the request.
+func (c *RequestHeaders) GetVerificationHeader() *RequestVerificationHeader {
+	if c != nil {
+		return c.verifyHeader
+	}
+
+	return nil
+}
+
+// SetVerificationHeader sets verification header of the request.
+func (c *RequestHeaders) SetVerificationHeader(v *RequestVerificationHeader) {
+	if c != nil {
+		c.verifyHeader = v
+	}
+}
+
+func (c *RequestHeaders) ToMessage(m interface {
+	SetMetaHeader(*session.RequestMetaHeader)
+	SetVerifyHeader(*session.RequestVerificationHeader)
+}) {
+	m.SetMetaHeader(c.metaHeader.ToGRPCMessage().(*session.RequestMetaHeader))
+	m.SetVerifyHeader(c.verifyHeader.ToGRPCMessage().(*session.RequestVerificationHeader))
+}
+
+func (c *RequestHeaders) FromMessage(m interface {
+	GetMetaHeader() *session.RequestMetaHeader
+	GetVerifyHeader() *session.RequestVerificationHeader
+}) error {
+	metaHdr := m.GetMetaHeader()
+	if metaHdr == nil {
+		c.metaHeader = nil
+	} else {
+		if c.metaHeader == nil {
+			c.metaHeader = new(RequestMetaHeader)
+		}
+
+		err := c.metaHeader.FromGRPCMessage(metaHdr)
+		if err != nil {
+			return err
+		}
+	}
+
+	verifyHdr := m.GetVerifyHeader()
+	if verifyHdr == nil {
+		c.verifyHeader = nil
+	} else {
+		if c.verifyHeader == nil {
+			c.verifyHeader = new(RequestVerificationHeader)
+		}
+
+		err := c.verifyHeader.FromGRPCMessage(verifyHdr)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+// ResponseHeaders represents common part of
+// all NeoFS responses including headers.
+type ResponseHeaders struct {
+	metaHeader *ResponseMetaHeader
+
+	verifyHeader *ResponseVerificationHeader
+}
+
+// GetMetaHeader returns meta header of the response.
+func (c *ResponseHeaders) GetMetaHeader() *ResponseMetaHeader {
+	if c != nil {
+		return c.metaHeader
+	}
+
+	return nil
+}
+
+// SetMetaHeader sets meta header of the response.
+func (c *ResponseHeaders) SetMetaHeader(v *ResponseMetaHeader) {
+	if c != nil {
+		c.metaHeader = v
+	}
+}
+
+// GetVerificationHeader returns verification header of the response.
+func (c *ResponseHeaders) GetVerificationHeader() *ResponseVerificationHeader {
+	if c != nil {
+		return c.verifyHeader
+	}
+
+	return nil
+}
+
+// SetVerificationHeader sets verification header of the response.
+func (c *ResponseHeaders) SetVerificationHeader(v *ResponseVerificationHeader) {
+	if c != nil {
+		c.verifyHeader = v
+	}
+}
+
+func (c *ResponseHeaders) ToMessage(m interface {
+	SetMetaHeader(*session.ResponseMetaHeader)
+	SetVerifyHeader(*session.ResponseVerificationHeader)
+}) {
+	m.SetMetaHeader(c.metaHeader.ToGRPCMessage().(*session.ResponseMetaHeader))
+	m.SetVerifyHeader(c.verifyHeader.ToGRPCMessage().(*session.ResponseVerificationHeader))
+}
+
+func (c *ResponseHeaders) FromMessage(m interface {
+	GetMetaHeader() *session.ResponseMetaHeader
+	GetVerifyHeader() *session.ResponseVerificationHeader
+}) error {
+	metaHdr := m.GetMetaHeader()
+	if metaHdr == nil {
+		c.metaHeader = nil
+	} else {
+		if c.metaHeader == nil {
+			c.metaHeader = new(ResponseMetaHeader)
+		}
+
+		err := c.metaHeader.FromGRPCMessage(metaHdr)
+		if err != nil {
+			return err
+		}
+	}
+
+	verifyHdr := m.GetVerifyHeader()
+	if verifyHdr == nil {
+		c.verifyHeader = nil
+	} else {
+		if c.verifyHeader == nil {
+			c.verifyHeader = new(ResponseVerificationHeader)
+		}
+
+		err := c.verifyHeader.FromGRPCMessage(verifyHdr)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}