Add v2 version to go module name

Replace all elements from `v2` to root directory.

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

refs/grpc/types.go

@@ -0,0 +1,91 @@
+package refs
+
+// SetValue sets container identifier in a binary format.
+func (m *ContainerID) SetValue(v []byte) {
+	if m != nil {
+		m.Value = v
+	}
+}
+
+// SetValue sets object identifier in a binary format.
+func (m *ObjectID) SetValue(v []byte) {
+	if m != nil {
+		m.Value = v
+	}
+}
+
+// SetValue sets owner identifier in a binary format.
+func (m *OwnerID) SetValue(v []byte) {
+	if m != nil {
+		m.Value = v
+	}
+}
+
+// SetContainerId sets container identifier of the address.
+func (m *Address) SetContainerId(v *ContainerID) {
+	if m != nil {
+		m.ContainerId = v
+	}
+}
+
+// SetObjectId sets object identifier of the address.
+func (m *Address) SetObjectId(v *ObjectID) {
+	if m != nil {
+		m.ObjectId = v
+	}
+}
+
+// SetChecksumType in generic checksum structure.
+func (m *Checksum) SetChecksumType(v ChecksumType) {
+	if m != nil {
+		m.Type = v
+	}
+}
+
+// SetChecksumSum in generic checksum structure.
+func (m *Checksum) SetSum(v []byte) {
+	if m != nil {
+		m.Sum = v
+	}
+}
+
+// SetMajor sets major version number.
+func (m *Version) SetMajor(v uint32) {
+	if m != nil {
+		m.Major = v
+	}
+}
+
+// SetMinor sets minor version number.
+func (m *Version) SetMinor(v uint32) {
+	if m != nil {
+		m.Minor = v
+	}
+}
+
+// SetKey sets public key in a binary format.
+func (m *Signature) SetKey(v []byte) {
+	if m != nil {
+		m.Key = v
+	}
+}
+
+// SetSign sets signature.
+func (m *Signature) SetSign(v []byte) {
+	if m != nil {
+		m.Sign = v
+	}
+}
+
+// FromString parses ChecksumType from a string representation,
+// It is a reverse action to String().
+//
+// Returns true if s was parsed successfully.
+func (x *ChecksumType) FromString(s string) bool {
+	i, ok := ChecksumType_value[s]
+	if ok {
+		*x = ChecksumType(i)
+	}
+
+	return ok
+}