refactor file/module names

I had some early confusion around whether SLEEP refered to individual
files or the collection of files making a register (it seems to mean the
whole register).

Will probably need to refactor again.

1 files changed, 0 insertions, 3199 deletions

diff --git a/src/network_proto.rs b/src/network_proto.rs
deleted file mode 100644
index e9dae76..0000000
--- a/src/network_proto.rs
+++ /dev/null
@@ -1,3199 +0,0 @@
-// This file is generated. Do not edit
-// @generated
-
-// https://github.com/Manishearth/rust-clippy/issues/702
-#![allow(unknown_lints)]
-#![allow(clippy)]
-
-#![cfg_attr(rustfmt, rustfmt_skip)]
-
-#![allow(box_pointers)]
-#![allow(dead_code)]
-#![allow(missing_docs)]
-#![allow(non_camel_case_types)]
-#![allow(non_snake_case)]
-#![allow(non_upper_case_globals)]
-#![allow(trivial_casts)]
-#![allow(unsafe_code)]
-#![allow(unused_imports)]
-#![allow(unused_results)]
-
-use protobuf::Message as Message_imported_for_functions;
-use protobuf::ProtobufEnum as ProtobufEnum_imported_for_functions;
-
-#[derive(PartialEq,Clone,Default)]
-pub struct Feed {
-    // message fields
-    discoveryKey: ::protobuf::SingularField<::std::vec::Vec<u8>>,
-    nonce: ::protobuf::SingularField<::std::vec::Vec<u8>>,
-    // special fields
-    unknown_fields: ::protobuf::UnknownFields,
-    cached_size: ::protobuf::CachedSize,
-}
-
-// see codegen.rs for the explanation why impl Sync explicitly
-unsafe impl ::std::marker::Sync for Feed {}
-
-impl Feed {
-    pub fn new() -> Feed {
-        ::std::default::Default::default()
-    }
-
-    pub fn default_instance() -> &'static Feed {
-        static mut instance: ::protobuf::lazy::Lazy<Feed> = ::protobuf::lazy::Lazy {
-            lock: ::protobuf::lazy::ONCE_INIT,
-            ptr: 0 as *const Feed,
-        };
-        unsafe {
-            instance.get(Feed::new)
-        }
-    }
-
-    // required bytes discoveryKey = 1;
-
-    pub fn clear_discoveryKey(&mut self) {
-        self.discoveryKey.clear();
-    }
-
-    pub fn has_discoveryKey(&self) -> bool {
-        self.discoveryKey.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_discoveryKey(&mut self, v: ::std::vec::Vec<u8>) {
-        self.discoveryKey = ::protobuf::SingularField::some(v);
-    }
-
-    // Mutable pointer to the field.
-    // If field is not initialized, it is initialized with default value first.
-    pub fn mut_discoveryKey(&mut self) -> &mut ::std::vec::Vec<u8> {
-        if self.discoveryKey.is_none() {
-            self.discoveryKey.set_default();
-        }
-        self.discoveryKey.as_mut().unwrap()
-    }
-
-    // Take field
-    pub fn take_discoveryKey(&mut self) -> ::std::vec::Vec<u8> {
-        self.discoveryKey.take().unwrap_or_else(|| ::std::vec::Vec::new())
-    }
-
-    pub fn get_discoveryKey(&self) -> &[u8] {
-        match self.discoveryKey.as_ref() {
-            Some(v) => &v,
-            None => &[],
-        }
-    }
-
-    fn get_discoveryKey_for_reflect(&self) -> &::protobuf::SingularField<::std::vec::Vec<u8>> {
-        &self.discoveryKey
-    }
-
-    fn mut_discoveryKey_for_reflect(&mut self) -> &mut ::protobuf::SingularField<::std::vec::Vec<u8>> {
-        &mut self.discoveryKey
-    }
-
-    // optional bytes nonce = 2;
-
-    pub fn clear_nonce(&mut self) {
-        self.nonce.clear();
-    }
-
-    pub fn has_nonce(&self) -> bool {
-        self.nonce.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_nonce(&mut self, v: ::std::vec::Vec<u8>) {
-        self.nonce = ::protobuf::SingularField::some(v);
-    }
-
-    // Mutable pointer to the field.
-    // If field is not initialized, it is initialized with default value first.
-    pub fn mut_nonce(&mut self) -> &mut ::std::vec::Vec<u8> {
-        if self.nonce.is_none() {
-            self.nonce.set_default();
-        }
-        self.nonce.as_mut().unwrap()
-    }
-
-    // Take field
-    pub fn take_nonce(&mut self) -> ::std::vec::Vec<u8> {
-        self.nonce.take().unwrap_or_else(|| ::std::vec::Vec::new())
-    }
-
-    pub fn get_nonce(&self) -> &[u8] {
-        match self.nonce.as_ref() {
-            Some(v) => &v,
-            None => &[],
-        }
-    }
-
-    fn get_nonce_for_reflect(&self) -> &::protobuf::SingularField<::std::vec::Vec<u8>> {
-        &self.nonce
-    }
-
-    fn mut_nonce_for_reflect(&mut self) -> &mut ::protobuf::SingularField<::std::vec::Vec<u8>> {
-        &mut self.nonce
-    }
-}
-
-impl ::protobuf::Message for Feed {
-    fn is_initialized(&self) -> bool {
-        if self.discoveryKey.is_none() {
-            return false;
-        }
-        true
-    }
-
-    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream) -> ::protobuf::ProtobufResult<()> {
-        while !is.eof()? {
-            let (field_number, wire_type) = is.read_tag_unpack()?;
-            match field_number {
-                1 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.discoveryKey)?;
-                },
-                2 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.nonce)?;
-                },
-                _ => {
-                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
-                },
-            };
-        }
-        ::std::result::Result::Ok(())
-    }
-
-    // Compute sizes of nested messages
-    #[allow(unused_variables)]
-    fn compute_size(&self) -> u32 {
-        let mut my_size = 0;
-        if let Some(ref v) = self.discoveryKey.as_ref() {
-            my_size += ::protobuf::rt::bytes_size(1, &v);
-        }
-        if let Some(ref v) = self.nonce.as_ref() {
-            my_size += ::protobuf::rt::bytes_size(2, &v);
-        }
-        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
-        self.cached_size.set(my_size);
-        my_size
-    }
-
-    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream) -> ::protobuf::ProtobufResult<()> {
-        if let Some(ref v) = self.discoveryKey.as_ref() {
-            os.write_bytes(1, &v)?;
-        }
-        if let Some(ref v) = self.nonce.as_ref() {
-            os.write_bytes(2, &v)?;
-        }
-        os.write_unknown_fields(self.get_unknown_fields())?;
-        ::std::result::Result::Ok(())
-    }
-
-    fn get_cached_size(&self) -> u32 {
-        self.cached_size.get()
-    }
-
-    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
-        &self.unknown_fields
-    }
-
-    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
-        &mut self.unknown_fields
-    }
-
-    fn as_any(&self) -> &::std::any::Any {
-        self as &::std::any::Any
-    }
-    fn as_any_mut(&mut self) -> &mut ::std::any::Any {
-        self as &mut ::std::any::Any
-    }
-    fn into_any(self: Box<Self>) -> ::std::boxed::Box<::std::any::Any> {
-        self
-    }
-
-    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
-        ::protobuf::MessageStatic::descriptor_static(None::<Self>)
-    }
-}
-
-impl ::protobuf::MessageStatic for Feed {
-    fn new() -> Feed {
-        Feed::new()
-    }
-
-    fn descriptor_static(_: ::std::option::Option<Feed>) -> &'static ::protobuf::reflect::MessageDescriptor {
-        static mut descriptor: ::protobuf::lazy::Lazy<::protobuf::reflect::MessageDescriptor> = ::protobuf::lazy::Lazy {
-            lock: ::protobuf::lazy::ONCE_INIT,
-            ptr: 0 as *const ::protobuf::reflect::MessageDescriptor,
-        };
-        unsafe {
-            descriptor.get(|| {
-                let mut fields = ::std::vec::Vec::new();
-                fields.push(::protobuf::reflect::accessor::make_singular_field_accessor::<_, ::protobuf::types::ProtobufTypeBytes>(
-                    "discoveryKey",
-                    Feed::get_discoveryKey_for_reflect,
-                    Feed::mut_discoveryKey_for_reflect,
-                ));
-                fields.push(::protobuf::reflect::accessor::make_singular_field_accessor::<_, ::protobuf::types::ProtobufTypeBytes>(
-                    "nonce",
-                    Feed::get_nonce_for_reflect,
-                    Feed::mut_nonce_for_reflect,
-                ));
-                ::protobuf::reflect::MessageDescriptor::new::<Feed>(
-                    "Feed",
-                    fields,
-                    file_descriptor_proto()
-                )
-            })
-        }
-    }
-}
-
-impl ::protobuf::Clear for Feed {
-    fn clear(&mut self) {
-        self.clear_discoveryKey();
-        self.clear_nonce();
-        self.unknown_fields.clear();
-    }
-}
-
-impl ::std::fmt::Debug for Feed {
-    fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
-        ::protobuf::text_format::fmt(self, f)
-    }
-}
-
-impl ::protobuf::reflect::ProtobufValue for Feed {
-    fn as_ref(&self) -> ::protobuf::reflect::ProtobufValueRef {
-        ::protobuf::reflect::ProtobufValueRef::Message(self)
-    }
-}
-
-#[derive(PartialEq,Clone,Default)]
-pub struct Handshake {
-    // message fields
-    id: ::protobuf::SingularField<::std::vec::Vec<u8>>,
-    live: ::std::option::Option<bool>,
-    userData: ::protobuf::SingularField<::std::vec::Vec<u8>>,
-    extensions: ::protobuf::RepeatedField<::std::string::String>,
-    // special fields
-    unknown_fields: ::protobuf::UnknownFields,
-    cached_size: ::protobuf::CachedSize,
-}
-
-// see codegen.rs for the explanation why impl Sync explicitly
-unsafe impl ::std::marker::Sync for Handshake {}
-
-impl Handshake {
-    pub fn new() -> Handshake {
-        ::std::default::Default::default()
-    }
-
-    pub fn default_instance() -> &'static Handshake {
-        static mut instance: ::protobuf::lazy::Lazy<Handshake> = ::protobuf::lazy::Lazy {
-            lock: ::protobuf::lazy::ONCE_INIT,
-            ptr: 0 as *const Handshake,
-        };
-        unsafe {
-            instance.get(Handshake::new)
-        }
-    }
-
-    // optional bytes id = 1;
-
-    pub fn clear_id(&mut self) {
-        self.id.clear();
-    }
-
-    pub fn has_id(&self) -> bool {
-        self.id.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_id(&mut self, v: ::std::vec::Vec<u8>) {
-        self.id = ::protobuf::SingularField::some(v);
-    }
-
-    // Mutable pointer to the field.
-    // If field is not initialized, it is initialized with default value first.
-    pub fn mut_id(&mut self) -> &mut ::std::vec::Vec<u8> {
-        if self.id.is_none() {
-            self.id.set_default();
-        }
-        self.id.as_mut().unwrap()
-    }
-
-    // Take field
-    pub fn take_id(&mut self) -> ::std::vec::Vec<u8> {
-        self.id.take().unwrap_or_else(|| ::std::vec::Vec::new())
-    }
-
-    pub fn get_id(&self) -> &[u8] {
-        match self.id.as_ref() {
-            Some(v) => &v,
-            None => &[],
-        }
-    }
-
-    fn get_id_for_reflect(&self) -> &::protobuf::SingularField<::std::vec::Vec<u8>> {
-        &self.id
-    }
-
-    fn mut_id_for_reflect(&mut self) -> &mut ::protobuf::SingularField<::std::vec::Vec<u8>> {
-        &mut self.id
-    }
-
-    // optional bool live = 2;
-
-    pub fn clear_live(&mut self) {
-        self.live = ::std::option::Option::None;
-    }
-
-    pub fn has_live(&self) -> bool {
-        self.live.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_live(&mut self, v: bool) {
-        self.live = ::std::option::Option::Some(v);
-    }
-
-    pub fn get_live(&self) -> bool {
-        self.live.unwrap_or(false)
-    }
-
-    fn get_live_for_reflect(&self) -> &::std::option::Option<bool> {
-        &self.live
-    }
-
-    fn mut_live_for_reflect(&mut self) -> &mut ::std::option::Option<bool> {
-        &mut self.live
-    }
-
-    // optional bytes userData = 3;
-
-    pub fn clear_userData(&mut self) {
-        self.userData.clear();
-    }
-
-    pub fn has_userData(&self) -> bool {
-        self.userData.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_userData(&mut self, v: ::std::vec::Vec<u8>) {
-        self.userData = ::protobuf::SingularField::some(v);
-    }
-
-    // Mutable pointer to the field.
-    // If field is not initialized, it is initialized with default value first.
-    pub fn mut_userData(&mut self) -> &mut ::std::vec::Vec<u8> {
-        if self.userData.is_none() {
-            self.userData.set_default();
-        }
-        self.userData.as_mut().unwrap()
-    }
-
-    // Take field
-    pub fn take_userData(&mut self) -> ::std::vec::Vec<u8> {
-        self.userData.take().unwrap_or_else(|| ::std::vec::Vec::new())
-    }
-
-    pub fn get_userData(&self) -> &[u8] {
-        match self.userData.as_ref() {
-            Some(v) => &v,
-            None => &[],
-        }
-    }
-
-    fn get_userData_for_reflect(&self) -> &::protobuf::SingularField<::std::vec::Vec<u8>> {
-        &self.userData
-    }
-
-    fn mut_userData_for_reflect(&mut self) -> &mut ::protobuf::SingularField<::std::vec::Vec<u8>> {
-        &mut self.userData
-    }
-
-    // repeated string extensions = 4;
-
-    pub fn clear_extensions(&mut self) {
-        self.extensions.clear();
-    }
-
-    // Param is passed by value, moved
-    pub fn set_extensions(&mut self, v: ::protobuf::RepeatedField<::std::string::String>) {
-        self.extensions = v;
-    }
-
-    // Mutable pointer to the field.
-    pub fn mut_extensions(&mut self) -> &mut ::protobuf::RepeatedField<::std::string::String> {
-        &mut self.extensions
-    }
-
-    // Take field
-    pub fn take_extensions(&mut self) -> ::protobuf::RepeatedField<::std::string::String> {
-        ::std::mem::replace(&mut self.extensions, ::protobuf::RepeatedField::new())
-    }
-
-    pub fn get_extensions(&self) -> &[::std::string::String] {
-        &self.extensions
-    }
-
-    fn get_extensions_for_reflect(&self) -> &::protobuf::RepeatedField<::std::string::String> {
-        &self.extensions
-    }
-
-    fn mut_extensions_for_reflect(&mut self) -> &mut ::protobuf::RepeatedField<::std::string::String> {
-        &mut self.extensions
-    }
-}
-
-impl ::protobuf::Message for Handshake {
-    fn is_initialized(&self) -> bool {
-        true
-    }
-
-    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream) -> ::protobuf::ProtobufResult<()> {
-        while !is.eof()? {
-            let (field_number, wire_type) = is.read_tag_unpack()?;
-            match field_number {
-                1 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.id)?;
-                },
-                2 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_bool()?;
-                    self.live = ::std::option::Option::Some(tmp);
-                },
-                3 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.userData)?;
-                },
-                4 => {
-                    ::protobuf::rt::read_repeated_string_into(wire_type, is, &mut self.extensions)?;
-                },
-                _ => {
-                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
-                },
-            };
-        }
-        ::std::result::Result::Ok(())
-    }
-
-    // Compute sizes of nested messages
-    #[allow(unused_variables)]
-    fn compute_size(&self) -> u32 {
-        let mut my_size = 0;
-        if let Some(ref v) = self.id.as_ref() {
-            my_size += ::protobuf::rt::bytes_size(1, &v);
-        }
-        if let Some(v) = self.live {
-            my_size += 2;
-        }
-        if let Some(ref v) = self.userData.as_ref() {
-            my_size += ::protobuf::rt::bytes_size(3, &v);
-        }
-        for value in &self.extensions {
-            my_size += ::protobuf::rt::string_size(4, &value);
-        };
-        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
-        self.cached_size.set(my_size);
-        my_size
-    }
-
-    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream) -> ::protobuf::ProtobufResult<()> {
-        if let Some(ref v) = self.id.as_ref() {
-            os.write_bytes(1, &v)?;
-        }
-        if let Some(v) = self.live {
-            os.write_bool(2, v)?;
-        }
-        if let Some(ref v) = self.userData.as_ref() {
-            os.write_bytes(3, &v)?;
-        }
-        for v in &self.extensions {
-            os.write_string(4, &v)?;
-        };
-        os.write_unknown_fields(self.get_unknown_fields())?;
-        ::std::result::Result::Ok(())
-    }
-
-    fn get_cached_size(&self) -> u32 {
-        self.cached_size.get()
-    }
-
-    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
-        &self.unknown_fields
-    }
-
-    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
-        &mut self.unknown_fields
-    }
-
-    fn as_any(&self) -> &::std::any::Any {
-        self as &::std::any::Any
-    }
-    fn as_any_mut(&mut self) -> &mut ::std::any::Any {
-        self as &mut ::std::any::Any
-    }
-    fn into_any(self: Box<Self>) -> ::std::boxed::Box<::std::any::Any> {
-        self
-    }
-
-    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
-        ::protobuf::MessageStatic::descriptor_static(None::<Self>)
-    }
-}
-
-impl ::protobuf::MessageStatic for Handshake {
-    fn new() -> Handshake {
-        Handshake::new()
-    }
-
-    fn descriptor_static(_: ::std::option::Option<Handshake>) -> &'static ::protobuf::reflect::MessageDescriptor {
-        static mut descriptor: ::protobuf::lazy::Lazy<::protobuf::reflect::MessageDescriptor> = ::protobuf::lazy::Lazy {
-            lock: ::protobuf::lazy::ONCE_INIT,
-            ptr: 0 as *const ::protobuf::reflect::MessageDescriptor,
-        };
-        unsafe {
-            descriptor.get(|| {
-                let mut fields = ::std::vec::Vec::new();
-                fields.push(::protobuf::reflect::accessor::make_singular_field_accessor::<_, ::protobuf::types::ProtobufTypeBytes>(
-                    "id",
-                    Handshake::get_id_for_reflect,
-                    Handshake::mut_id_for_reflect,
-                ));
-                fields.push(::protobuf::reflect::accessor::make_option_accessor::<_, ::protobuf::types::ProtobufTypeBool>(
-                    "live",
-                    Handshake::get_live_for_reflect,
-                    Handshake::mut_live_for_reflect,
-                ));
-                fields.push(::protobuf::reflect::accessor::make_singular_field_accessor::<_, ::protobuf::types::ProtobufTypeBytes>(
-                    "userData",
-                    Handshake::get_userData_for_reflect,
-                    Handshake::mut_userData_for_reflect,
-                ));
-                fields.push(::protobuf::reflect::accessor::make_repeated_field_accessor::<_, ::protobuf::types::ProtobufTypeString>(
-                    "extensions",
-                    Handshake::get_extensions_for_reflect,
-                    Handshake::mut_extensions_for_reflect,
-                ));
-                ::protobuf::reflect::MessageDescriptor::new::<Handshake>(
-                    "Handshake",
-                    fields,
-                    file_descriptor_proto()
-                )
-            })
-        }
-    }
-}
-
-impl ::protobuf::Clear for Handshake {
-    fn clear(&mut self) {
-        self.clear_id();
-        self.clear_live();
-        self.clear_userData();
-        self.clear_extensions();
-        self.unknown_fields.clear();
-    }
-}
-
-impl ::std::fmt::Debug for Handshake {
-    fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
-        ::protobuf::text_format::fmt(self, f)
-    }
-}
-
-impl ::protobuf::reflect::ProtobufValue for Handshake {
-    fn as_ref(&self) -> ::protobuf::reflect::ProtobufValueRef {
-        ::protobuf::reflect::ProtobufValueRef::Message(self)
-    }
-}
-
-#[derive(PartialEq,Clone,Default)]
-pub struct Info {
-    // message fields
-    uploading: ::std::option::Option<bool>,
-    downloading: ::std::option::Option<bool>,
-    // special fields
-    unknown_fields: ::protobuf::UnknownFields,
-    cached_size: ::protobuf::CachedSize,
-}
-
-// see codegen.rs for the explanation why impl Sync explicitly
-unsafe impl ::std::marker::Sync for Info {}
-
-impl Info {
-    pub fn new() -> Info {
-        ::std::default::Default::default()
-    }
-
-    pub fn default_instance() -> &'static Info {
-        static mut instance: ::protobuf::lazy::Lazy<Info> = ::protobuf::lazy::Lazy {
-            lock: ::protobuf::lazy::ONCE_INIT,
-            ptr: 0 as *const Info,
-        };
-        unsafe {
-            instance.get(Info::new)
-        }
-    }
-
-    // optional bool uploading = 1;
-
-    pub fn clear_uploading(&mut self) {
-        self.uploading = ::std::option::Option::None;
-    }
-
-    pub fn has_uploading(&self) -> bool {
-        self.uploading.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_uploading(&mut self, v: bool) {
-        self.uploading = ::std::option::Option::Some(v);
-    }
-
-    pub fn get_uploading(&self) -> bool {
-        self.uploading.unwrap_or(false)
-    }
-
-    fn get_uploading_for_reflect(&self) -> &::std::option::Option<bool> {
-        &self.uploading
-    }
-
-    fn mut_uploading_for_reflect(&mut self) -> &mut ::std::option::Option<bool> {
-        &mut self.uploading
-    }
-
-    // optional bool downloading = 2;
-
-    pub fn clear_downloading(&mut self) {
-        self.downloading = ::std::option::Option::None;
-    }
-
-    pub fn has_downloading(&self) -> bool {
-        self.downloading.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_downloading(&mut self, v: bool) {
-        self.downloading = ::std::option::Option::Some(v);
-    }
-
-    pub fn get_downloading(&self) -> bool {
-        self.downloading.unwrap_or(false)
-    }
-
-    fn get_downloading_for_reflect(&self) -> &::std::option::Option<bool> {
-        &self.downloading
-    }
-
-    fn mut_downloading_for_reflect(&mut self) -> &mut ::std::option::Option<bool> {
-        &mut self.downloading
-    }
-}
-
-impl ::protobuf::Message for Info {
-    fn is_initialized(&self) -> bool {
-        true
-    }
-
-    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream) -> ::protobuf::ProtobufResult<()> {
-        while !is.eof()? {
-            let (field_number, wire_type) = is.read_tag_unpack()?;
-            match field_number {
-                1 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_bool()?;
-                    self.uploading = ::std::option::Option::Some(tmp);
-                },
-                2 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_bool()?;
-                    self.downloading = ::std::option::Option::Some(tmp);
-                },
-                _ => {
-                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
-                },
-            };
-        }
-        ::std::result::Result::Ok(())
-    }
-
-    // Compute sizes of nested messages
-    #[allow(unused_variables)]
-    fn compute_size(&self) -> u32 {
-        let mut my_size = 0;
-        if let Some(v) = self.uploading {
-            my_size += 2;
-        }
-        if let Some(v) = self.downloading {
-            my_size += 2;
-        }
-        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
-        self.cached_size.set(my_size);
-        my_size
-    }
-
-    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream) -> ::protobuf::ProtobufResult<()> {
-        if let Some(v) = self.uploading {
-            os.write_bool(1, v)?;
-        }
-        if let Some(v) = self.downloading {
-            os.write_bool(2, v)?;
-        }
-        os.write_unknown_fields(self.get_unknown_fields())?;
-        ::std::result::Result::Ok(())
-    }
-
-    fn get_cached_size(&self) -> u32 {
-        self.cached_size.get()
-    }
-
-    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
-        &self.unknown_fields
-    }
-
-    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
-        &mut self.unknown_fields
-    }
-
-    fn as_any(&self) -> &::std::any::Any {
-        self as &::std::any::Any
-    }
-    fn as_any_mut(&mut self) -> &mut ::std::any::Any {
-        self as &mut ::std::any::Any
-    }
-    fn into_any(self: Box<Self>) -> ::std::boxed::Box<::std::any::Any> {
-        self
-    }
-
-    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
-        ::protobuf::MessageStatic::descriptor_static(None::<Self>)
-    }
-}
-
-impl ::protobuf::MessageStatic for Info {
-    fn new() -> Info {
-        Info::new()
-    }
-
-    fn descriptor_static(_: ::std::option::Option<Info>) -> &'static ::protobuf::reflect::MessageDescriptor {
-        static mut descriptor: ::protobuf::lazy::Lazy<::protobuf::reflect::MessageDescriptor> = ::protobuf::lazy::Lazy {
-            lock: ::protobuf::lazy::ONCE_INIT,
-            ptr: 0 as *const ::protobuf::reflect::MessageDescriptor,
-        };
-        unsafe {
-            descriptor.get(|| {
-                let mut fields = ::std::vec::Vec::new();
-                fields.push(::protobuf::reflect::accessor::make_option_accessor::<_, ::protobuf::types::ProtobufTypeBool>(
-                    "uploading",
-                    Info::get_uploading_for_reflect,
-                    Info::mut_uploading_for_reflect,
-                ));
-                fields.push(::protobuf::reflect::accessor::make_option_accessor::<_, ::protobuf::types::ProtobufTypeBool>(
-                    "downloading",
-                    Info::get_downloading_for_reflect,
-                    Info::mut_downloading_for_reflect,
-                ));
-                ::protobuf::reflect::MessageDescriptor::new::<Info>(
-                    "Info",
-                    fields,
-                    file_descriptor_proto()
-                )
-            })
-        }
-    }
-}
-
-impl ::protobuf::Clear for Info {
-    fn clear(&mut self) {
-        self.clear_uploading();
-        self.clear_downloading();
-        self.unknown_fields.clear();
-    }
-}
-
-impl ::std::fmt::Debug for Info {
-    fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
-        ::protobuf::text_format::fmt(self, f)
-    }
-}
-
-impl ::protobuf::reflect::ProtobufValue for Info {
-    fn as_ref(&self) -> ::protobuf::reflect::ProtobufValueRef {
-        ::protobuf::reflect::ProtobufValueRef::Message(self)
-    }
-}
-
-#[derive(PartialEq,Clone,Default)]
-pub struct Have {
-    // message fields
-    start: ::std::option::Option<u64>,
-    length: ::std::option::Option<u64>,
-    bitfield: ::protobuf::SingularField<::std::vec::Vec<u8>>,
-    // special fields
-    unknown_fields: ::protobuf::UnknownFields,
-    cached_size: ::protobuf::CachedSize,
-}
-
-// see codegen.rs for the explanation why impl Sync explicitly
-unsafe impl ::std::marker::Sync for Have {}
-
-impl Have {
-    pub fn new() -> Have {
-        ::std::default::Default::default()
-    }
-
-    pub fn default_instance() -> &'static Have {
-        static mut instance: ::protobuf::lazy::Lazy<Have> = ::protobuf::lazy::Lazy {
-            lock: ::protobuf::lazy::ONCE_INIT,
-            ptr: 0 as *const Have,
-        };
-        unsafe {
-            instance.get(Have::new)
-        }
-    }
-
-    // required uint64 start = 1;
-
-    pub fn clear_start(&mut self) {
-        self.start = ::std::option::Option::None;
-    }
-
-    pub fn has_start(&self) -> bool {
-        self.start.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_start(&mut self, v: u64) {
-        self.start = ::std::option::Option::Some(v);
-    }
-
-    pub fn get_start(&self) -> u64 {
-        self.start.unwrap_or(0)
-    }
-
-    fn get_start_for_reflect(&self) -> &::std::option::Option<u64> {
-        &self.start
-    }
-
-    fn mut_start_for_reflect(&mut self) -> &mut ::std::option::Option<u64> {
-        &mut self.start
-    }
-
-    // optional uint64 length = 2;
-
-    pub fn clear_length(&mut self) {
-        self.length = ::std::option::Option::None;
-    }
-
-    pub fn has_length(&self) -> bool {
-        self.length.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_length(&mut self, v: u64) {
-        self.length = ::std::option::Option::Some(v);
-    }
-
-    pub fn get_length(&self) -> u64 {
-        self.length.unwrap_or(1u64)
-    }
-
-    fn get_length_for_reflect(&self) -> &::std::option::Option<u64> {
-        &self.length
-    }
-
-    fn mut_length_for_reflect(&mut self) -> &mut ::std::option::Option<u64> {
-        &mut self.length
-    }
-
-    // optional bytes bitfield = 3;
-
-    pub fn clear_bitfield(&mut self) {
-        self.bitfield.clear();
-    }
-
-    pub fn has_bitfield(&self) -> bool {
-        self.bitfield.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_bitfield(&mut self, v: ::std::vec::Vec<u8>) {
-        self.bitfield = ::protobuf::SingularField::some(v);
-    }
-
-    // Mutable pointer to the field.
-    // If field is not initialized, it is initialized with default value first.
-    pub fn mut_bitfield(&mut self) -> &mut ::std::vec::Vec<u8> {
-        if self.bitfield.is_none() {
-            self.bitfield.set_default();
-        }
-        self.bitfield.as_mut().unwrap()
-    }
-
-    // Take field
-    pub fn take_bitfield(&mut self) -> ::std::vec::Vec<u8> {
-        self.bitfield.take().unwrap_or_else(|| ::std::vec::Vec::new())
-    }
-
-    pub fn get_bitfield(&self) -> &[u8] {
-        match self.bitfield.as_ref() {
-            Some(v) => &v,
-            None => &[],
-        }
-    }
-
-    fn get_bitfield_for_reflect(&self) -> &::protobuf::SingularField<::std::vec::Vec<u8>> {
-        &self.bitfield
-    }
-
-    fn mut_bitfield_for_reflect(&mut self) -> &mut ::protobuf::SingularField<::std::vec::Vec<u8>> {
-        &mut self.bitfield
-    }
-}
-
-impl ::protobuf::Message for Have {
-    fn is_initialized(&self) -> bool {
-        if self.start.is_none() {
-            return false;
-        }
-        true
-    }
-
-    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream) -> ::protobuf::ProtobufResult<()> {
-        while !is.eof()? {
-            let (field_number, wire_type) = is.read_tag_unpack()?;
-            match field_number {
-                1 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_uint64()?;
-                    self.start = ::std::option::Option::Some(tmp);
-                },
-                2 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_uint64()?;
-                    self.length = ::std::option::Option::Some(tmp);
-                },
-                3 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.bitfield)?;
-                },
-                _ => {
-                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
-                },
-            };
-        }
-        ::std::result::Result::Ok(())
-    }
-
-    // Compute sizes of nested messages
-    #[allow(unused_variables)]
-    fn compute_size(&self) -> u32 {
-        let mut my_size = 0;
-        if let Some(v) = self.start {
-            my_size += ::protobuf::rt::value_size(1, v, ::protobuf::wire_format::WireTypeVarint);
-        }
-        if let Some(v) = self.length {
-            my_size += ::protobuf::rt::value_size(2, v, ::protobuf::wire_format::WireTypeVarint);
-        }
-        if let Some(ref v) = self.bitfield.as_ref() {
-            my_size += ::protobuf::rt::bytes_size(3, &v);
-        }
-        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
-        self.cached_size.set(my_size);
-        my_size
-    }
-
-    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream) -> ::protobuf::ProtobufResult<()> {
-        if let Some(v) = self.start {
-            os.write_uint64(1, v)?;
-        }
-        if let Some(v) = self.length {
-            os.write_uint64(2, v)?;
-        }
-        if let Some(ref v) = self.bitfield.as_ref() {
-            os.write_bytes(3, &v)?;
-        }
-        os.write_unknown_fields(self.get_unknown_fields())?;
-        ::std::result::Result::Ok(())
-    }
-
-    fn get_cached_size(&self) -> u32 {
-        self.cached_size.get()
-    }
-
-    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
-        &self.unknown_fields
-    }
-
-    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
-        &mut self.unknown_fields
-    }
-
-    fn as_any(&self) -> &::std::any::Any {
-        self as &::std::any::Any
-    }
-    fn as_any_mut(&mut self) -> &mut ::std::any::Any {
-        self as &mut ::std::any::Any
-    }
-    fn into_any(self: Box<Self>) -> ::std::boxed::Box<::std::any::Any> {
-        self
-    }
-
-    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
-        ::protobuf::MessageStatic::descriptor_static(None::<Self>)
-    }
-}
-
-impl ::protobuf::MessageStatic for Have {
-    fn new() -> Have {
-        Have::new()
-    }
-
-    fn descriptor_static(_: ::std::option::Option<Have>) -> &'static ::protobuf::reflect::MessageDescriptor {
-        static mut descriptor: ::protobuf::lazy::Lazy<::protobuf::reflect::MessageDescriptor> = ::protobuf::lazy::Lazy {
-            lock: ::protobuf::lazy::ONCE_INIT,
-            ptr: 0 as *const ::protobuf::reflect::MessageDescriptor,
-        };
-        unsafe {
-            descriptor.get(|| {
-                let mut fields = ::std::vec::Vec::new();
-                fields.push(::protobuf::reflect::accessor::make_option_accessor::<_, ::protobuf::types::ProtobufTypeUint64>(
-                    "start",
-                    Have::get_start_for_reflect,
-                    Have::mut_start_for_reflect,
-                ));
-                fields.push(::protobuf::reflect::accessor::make_option_accessor::<_, ::protobuf::types::ProtobufTypeUint64>(
-                    "length",
-                    Have::get_length_for_reflect,
-                    Have::mut_length_for_reflect,
-                ));
-                fields.push(::protobuf::reflect::accessor::make_singular_field_accessor::<_, ::protobuf::types::ProtobufTypeBytes>(
-                    "bitfield",
-                    Have::get_bitfield_for_reflect,
-                    Have::mut_bitfield_for_reflect,
-                ));
-                ::protobuf::reflect::MessageDescriptor::new::<Have>(
-                    "Have",
-                    fields,
-                    file_descriptor_proto()
-                )
-            })
-        }
-    }
-}
-
-impl ::protobuf::Clear for Have {
-    fn clear(&mut self) {
-        self.clear_start();
-        self.clear_length();
-        self.clear_bitfield();
-        self.unknown_fields.clear();
-    }
-}
-
-impl ::std::fmt::Debug for Have {
-    fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
-        ::protobuf::text_format::fmt(self, f)
-    }
-}
-
-impl ::protobuf::reflect::ProtobufValue for Have {
-    fn as_ref(&self) -> ::protobuf::reflect::ProtobufValueRef {
-        ::protobuf::reflect::ProtobufValueRef::Message(self)
-    }
-}
-
-#[derive(PartialEq,Clone,Default)]
-pub struct Unhave {
-    // message fields
-    start: ::std::option::Option<u64>,
-    length: ::std::option::Option<u64>,
-    // special fields
-    unknown_fields: ::protobuf::UnknownFields,
-    cached_size: ::protobuf::CachedSize,
-}
-
-// see codegen.rs for the explanation why impl Sync explicitly
-unsafe impl ::std::marker::Sync for Unhave {}
-
-impl Unhave {
-    pub fn new() -> Unhave {
-        ::std::default::Default::default()
-    }
-
-    pub fn default_instance() -> &'static Unhave {
-        static mut instance: ::protobuf::lazy::Lazy<Unhave> = ::protobuf::lazy::Lazy {
-            lock: ::protobuf::lazy::ONCE_INIT,
-            ptr: 0 as *const Unhave,
-        };
-        unsafe {
-            instance.get(Unhave::new)
-        }
-    }
-
-    // required uint64 start = 1;
-
-    pub fn clear_start(&mut self) {
-        self.start = ::std::option::Option::None;
-    }
-
-    pub fn has_start(&self) -> bool {
-        self.start.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_start(&mut self, v: u64) {
-        self.start = ::std::option::Option::Some(v);
-    }
-
-    pub fn get_start(&self) -> u64 {
-        self.start.unwrap_or(0)
-    }
-
-    fn get_start_for_reflect(&self) -> &::std::option::Option<u64> {
-        &self.start
-    }
-
-    fn mut_start_for_reflect(&mut self) -> &mut ::std::option::Option<u64> {
-        &mut self.start
-    }
-
-    // optional uint64 length = 2;
-
-    pub fn clear_length(&mut self) {
-        self.length = ::std::option::Option::None;
-    }
-
-    pub fn has_length(&self) -> bool {
-        self.length.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_length(&mut self, v: u64) {
-        self.length = ::std::option::Option::Some(v);
-    }
-
-    pub fn get_length(&self) -> u64 {
-        self.length.unwrap_or(1u64)
-    }
-
-    fn get_length_for_reflect(&self) -> &::std::option::Option<u64> {
-        &self.length
-    }
-
-    fn mut_length_for_reflect(&mut self) -> &mut ::std::option::Option<u64> {
-        &mut self.length
-    }
-}
-
-impl ::protobuf::Message for Unhave {
-    fn is_initialized(&self) -> bool {
-        if self.start.is_none() {
-            return false;
-        }
-        true
-    }
-
-    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream) -> ::protobuf::ProtobufResult<()> {
-        while !is.eof()? {
-            let (field_number, wire_type) = is.read_tag_unpack()?;
-            match field_number {
-                1 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_uint64()?;
-                    self.start = ::std::option::Option::Some(tmp);
-                },
-                2 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_uint64()?;
-                    self.length = ::std::option::Option::Some(tmp);
-                },
-                _ => {
-                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
-                },
-            };
-        }
-        ::std::result::Result::Ok(())
-    }
-
-    // Compute sizes of nested messages
-    #[allow(unused_variables)]
-    fn compute_size(&self) -> u32 {
-        let mut my_size = 0;
-        if let Some(v) = self.start {
-            my_size += ::protobuf::rt::value_size(1, v, ::protobuf::wire_format::WireTypeVarint);
-        }
-        if let Some(v) = self.length {
-            my_size += ::protobuf::rt::value_size(2, v, ::protobuf::wire_format::WireTypeVarint);
-        }
-        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
-        self.cached_size.set(my_size);
-        my_size
-    }
-
-    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream) -> ::protobuf::ProtobufResult<()> {
-        if let Some(v) = self.start {
-            os.write_uint64(1, v)?;
-        }
-        if let Some(v) = self.length {
-            os.write_uint64(2, v)?;
-        }
-        os.write_unknown_fields(self.get_unknown_fields())?;
-        ::std::result::Result::Ok(())
-    }
-
-    fn get_cached_size(&self) -> u32 {
-        self.cached_size.get()
-    }
-
-    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
-        &self.unknown_fields
-    }
-
-    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
-        &mut self.unknown_fields
-    }
-
-    fn as_any(&self) -> &::std::any::Any {
-        self as &::std::any::Any
-    }
-    fn as_any_mut(&mut self) -> &mut ::std::any::Any {
-        self as &mut ::std::any::Any
-    }
-    fn into_any(self: Box<Self>) -> ::std::boxed::Box<::std::any::Any> {
-        self
-    }
-
-    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
-        ::protobuf::MessageStatic::descriptor_static(None::<Self>)
-    }
-}
-
-impl ::protobuf::MessageStatic for Unhave {
-    fn new() -> Unhave {
-        Unhave::new()
-    }
-
-    fn descriptor_static(_: ::std::option::Option<Unhave>) -> &'static ::protobuf::reflect::MessageDescriptor {
-        static mut descriptor: ::protobuf::lazy::Lazy<::protobuf::reflect::MessageDescriptor> = ::protobuf::lazy::Lazy {
-            lock: ::protobuf::lazy::ONCE_INIT,
-            ptr: 0 as *const ::protobuf::reflect::MessageDescriptor,
-        };
-        unsafe {
-            descriptor.get(|| {
-                let mut fields = ::std::vec::Vec::new();
-                fields.push(::protobuf::reflect::accessor::make_option_accessor::<_, ::protobuf::types::ProtobufTypeUint64>(
-                    "start",
-                    Unhave::get_start_for_reflect,
-                    Unhave::mut_start_for_reflect,
-                ));
-                fields.push(::protobuf::reflect::accessor::make_option_accessor::<_, ::protobuf::types::ProtobufTypeUint64>(
-                    "length",
-                    Unhave::get_length_for_reflect,
-                    Unhave::mut_length_for_reflect,
-                ));
-                ::protobuf::reflect::MessageDescriptor::new::<Unhave>(
-                    "Unhave",
-                    fields,
-                    file_descriptor_proto()
-                )
-            })
-        }
-    }
-}
-
-impl ::protobuf::Clear for Unhave {
-    fn clear(&mut self) {
-        self.clear_start();
-        self.clear_length();
-        self.unknown_fields.clear();
-    }
-}
-
-impl ::std::fmt::Debug for Unhave {
-    fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
-        ::protobuf::text_format::fmt(self, f)
-    }
-}
-
-impl ::protobuf::reflect::ProtobufValue for Unhave {
-    fn as_ref(&self) -> ::protobuf::reflect::ProtobufValueRef {
-        ::protobuf::reflect::ProtobufValueRef::Message(self)
-    }
-}
-
-#[derive(PartialEq,Clone,Default)]
-pub struct Want {
-    // message fields
-    start: ::std::option::Option<u64>,
-    length: ::std::option::Option<u64>,
-    // special fields
-    unknown_fields: ::protobuf::UnknownFields,
-    cached_size: ::protobuf::CachedSize,
-}
-
-// see codegen.rs for the explanation why impl Sync explicitly
-unsafe impl ::std::marker::Sync for Want {}
-
-impl Want {
-    pub fn new() -> Want {
-        ::std::default::Default::default()
-    }
-
-    pub fn default_instance() -> &'static Want {
-        static mut instance: ::protobuf::lazy::Lazy<Want> = ::protobuf::lazy::Lazy {
-            lock: ::protobuf::lazy::ONCE_INIT,
-            ptr: 0 as *const Want,
-        };
-        unsafe {
-            instance.get(Want::new)
-        }
-    }
-
-    // required uint64 start = 1;
-
-    pub fn clear_start(&mut self) {
-        self.start = ::std::option::Option::None;
-    }
-
-    pub fn has_start(&self) -> bool {
-        self.start.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_start(&mut self, v: u64) {
-        self.start = ::std::option::Option::Some(v);
-    }
-
-    pub fn get_start(&self) -> u64 {
-        self.start.unwrap_or(0)
-    }
-
-    fn get_start_for_reflect(&self) -> &::std::option::Option<u64> {
-        &self.start
-    }
-
-    fn mut_start_for_reflect(&mut self) -> &mut ::std::option::Option<u64> {
-        &mut self.start
-    }
-
-    // optional uint64 length = 2;
-
-    pub fn clear_length(&mut self) {
-        self.length = ::std::option::Option::None;
-    }
-
-    pub fn has_length(&self) -> bool {
-        self.length.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_length(&mut self, v: u64) {
-        self.length = ::std::option::Option::Some(v);
-    }
-
-    pub fn get_length(&self) -> u64 {
-        self.length.unwrap_or(0)
-    }
-
-    fn get_length_for_reflect(&self) -> &::std::option::Option<u64> {
-        &self.length
-    }
-
-    fn mut_length_for_reflect(&mut self) -> &mut ::std::option::Option<u64> {
-        &mut self.length
-    }
-}
-
-impl ::protobuf::Message for Want {
-    fn is_initialized(&self) -> bool {
-        if self.start.is_none() {
-            return false;
-        }
-        true
-    }
-
-    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream) -> ::protobuf::ProtobufResult<()> {
-        while !is.eof()? {
-            let (field_number, wire_type) = is.read_tag_unpack()?;
-            match field_number {
-                1 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_uint64()?;
-                    self.start = ::std::option::Option::Some(tmp);
-                },
-                2 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_uint64()?;
-                    self.length = ::std::option::Option::Some(tmp);
-                },
-                _ => {
-                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
-                },
-            };
-        }
-        ::std::result::Result::Ok(())
-    }
-
-    // Compute sizes of nested messages
-    #[allow(unused_variables)]
-    fn compute_size(&self) -> u32 {
-        let mut my_size = 0;
-        if let Some(v) = self.start {
-            my_size += ::protobuf::rt::value_size(1, v, ::protobuf::wire_format::WireTypeVarint);
-        }
-        if let Some(v) = self.length {
-            my_size += ::protobuf::rt::value_size(2, v, ::protobuf::wire_format::WireTypeVarint);
-        }
-        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
-        self.cached_size.set(my_size);
-        my_size
-    }
-
-    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream) -> ::protobuf::ProtobufResult<()> {
-        if let Some(v) = self.start {
-            os.write_uint64(1, v)?;
-        }
-        if let Some(v) = self.length {
-            os.write_uint64(2, v)?;
-        }
-        os.write_unknown_fields(self.get_unknown_fields())?;
-        ::std::result::Result::Ok(())
-    }
-
-    fn get_cached_size(&self) -> u32 {
-        self.cached_size.get()
-    }
-
-    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
-        &self.unknown_fields
-    }
-
-    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
-        &mut self.unknown_fields
-    }
-
-    fn as_any(&self) -> &::std::any::Any {
-        self as &::std::any::Any
-    }
-    fn as_any_mut(&mut self) -> &mut ::std::any::Any {
-        self as &mut ::std::any::Any
-    }
-    fn into_any(self: Box<Self>) -> ::std::boxed::Box<::std::any::Any> {
-        self
-    }
-
-    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
-        ::protobuf::MessageStatic::descriptor_static(None::<Self>)
-    }
-}
-
-impl ::protobuf::MessageStatic for Want {
-    fn new() -> Want {
-        Want::new()
-    }
-
-    fn descriptor_static(_: ::std::option::Option<Want>) -> &'static ::protobuf::reflect::MessageDescriptor {
-        static mut descriptor: ::protobuf::lazy::Lazy<::protobuf::reflect::MessageDescriptor> = ::protobuf::lazy::Lazy {
-            lock: ::protobuf::lazy::ONCE_INIT,
-            ptr: 0 as *const ::protobuf::reflect::MessageDescriptor,
-        };
-        unsafe {
-            descriptor.get(|| {
-                let mut fields = ::std::vec::Vec::new();
-                fields.push(::protobuf::reflect::accessor::make_option_accessor::<_, ::protobuf::types::ProtobufTypeUint64>(
-                    "start",
-                    Want::get_start_for_reflect,
-                    Want::mut_start_for_reflect,
-                ));
-                fields.push(::protobuf::reflect::accessor::make_option_accessor::<_, ::protobuf::types::ProtobufTypeUint64>(
-                    "length",
-                    Want::get_length_for_reflect,
-                    Want::mut_length_for_reflect,
-                ));
-                ::protobuf::reflect::MessageDescriptor::new::<Want>(
-                    "Want",
-                    fields,
-                    file_descriptor_proto()
-                )
-            })
-        }
-    }
-}
-
-impl ::protobuf::Clear for Want {
-    fn clear(&mut self) {
-        self.clear_start();
-        self.clear_length();
-        self.unknown_fields.clear();
-    }
-}
-
-impl ::std::fmt::Debug for Want {
-    fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
-        ::protobuf::text_format::fmt(self, f)
-    }
-}
-
-impl ::protobuf::reflect::ProtobufValue for Want {
-    fn as_ref(&self) -> ::protobuf::reflect::ProtobufValueRef {
-        ::protobuf::reflect::ProtobufValueRef::Message(self)
-    }
-}
-
-#[derive(PartialEq,Clone,Default)]
-pub struct Unwant {
-    // message fields
-    start: ::std::option::Option<u64>,
-    length: ::std::option::Option<u64>,
-    // special fields
-    unknown_fields: ::protobuf::UnknownFields,
-    cached_size: ::protobuf::CachedSize,
-}
-
-// see codegen.rs for the explanation why impl Sync explicitly
-unsafe impl ::std::marker::Sync for Unwant {}
-
-impl Unwant {
-    pub fn new() -> Unwant {
-        ::std::default::Default::default()
-    }
-
-    pub fn default_instance() -> &'static Unwant {
-        static mut instance: ::protobuf::lazy::Lazy<Unwant> = ::protobuf::lazy::Lazy {
-            lock: ::protobuf::lazy::ONCE_INIT,
-            ptr: 0 as *const Unwant,
-        };
-        unsafe {
-            instance.get(Unwant::new)
-        }
-    }
-
-    // required uint64 start = 1;
-
-    pub fn clear_start(&mut self) {
-        self.start = ::std::option::Option::None;
-    }
-
-    pub fn has_start(&self) -> bool {
-        self.start.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_start(&mut self, v: u64) {
-        self.start = ::std::option::Option::Some(v);
-    }
-
-    pub fn get_start(&self) -> u64 {
-        self.start.unwrap_or(0)
-    }
-
-    fn get_start_for_reflect(&self) -> &::std::option::Option<u64> {
-        &self.start
-    }
-
-    fn mut_start_for_reflect(&mut self) -> &mut ::std::option::Option<u64> {
-        &mut self.start
-    }
-
-    // optional uint64 length = 2;
-
-    pub fn clear_length(&mut self) {
-        self.length = ::std::option::Option::None;
-    }
-
-    pub fn has_length(&self) -> bool {
-        self.length.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_length(&mut self, v: u64) {
-        self.length = ::std::option::Option::Some(v);
-    }
-
-    pub fn get_length(&self) -> u64 {
-        self.length.unwrap_or(0)
-    }
-
-    fn get_length_for_reflect(&self) -> &::std::option::Option<u64> {
-        &self.length
-    }
-
-    fn mut_length_for_reflect(&mut self) -> &mut ::std::option::Option<u64> {
-        &mut self.length
-    }
-}
-
-impl ::protobuf::Message for Unwant {
-    fn is_initialized(&self) -> bool {
-        if self.start.is_none() {
-            return false;
-        }
-        true
-    }
-
-    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream) -> ::protobuf::ProtobufResult<()> {
-        while !is.eof()? {
-            let (field_number, wire_type) = is.read_tag_unpack()?;
-            match field_number {
-                1 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_uint64()?;
-                    self.start = ::std::option::Option::Some(tmp);
-                },
-                2 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_uint64()?;
-                    self.length = ::std::option::Option::Some(tmp);
-                },
-                _ => {
-                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
-                },
-            };
-        }
-        ::std::result::Result::Ok(())
-    }
-
-    // Compute sizes of nested messages
-    #[allow(unused_variables)]
-    fn compute_size(&self) -> u32 {
-        let mut my_size = 0;
-        if let Some(v) = self.start {
-            my_size += ::protobuf::rt::value_size(1, v, ::protobuf::wire_format::WireTypeVarint);
-        }
-        if let Some(v) = self.length {
-            my_size += ::protobuf::rt::value_size(2, v, ::protobuf::wire_format::WireTypeVarint);
-        }
-        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
-        self.cached_size.set(my_size);
-        my_size
-    }
-
-    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream) -> ::protobuf::ProtobufResult<()> {
-        if let Some(v) = self.start {
-            os.write_uint64(1, v)?;
-        }
-        if let Some(v) = self.length {
-            os.write_uint64(2, v)?;
-        }
-        os.write_unknown_fields(self.get_unknown_fields())?;
-        ::std::result::Result::Ok(())
-    }
-
-    fn get_cached_size(&self) -> u32 {
-        self.cached_size.get()
-    }
-
-    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
-        &self.unknown_fields
-    }
-
-    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
-        &mut self.unknown_fields
-    }
-
-    fn as_any(&self) -> &::std::any::Any {
-        self as &::std::any::Any
-    }
-    fn as_any_mut(&mut self) -> &mut ::std::any::Any {
-        self as &mut ::std::any::Any
-    }
-    fn into_any(self: Box<Self>) -> ::std::boxed::Box<::std::any::Any> {
-        self
-    }
-
-    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
-        ::protobuf::MessageStatic::descriptor_static(None::<Self>)
-    }
-}
-
-impl ::protobuf::MessageStatic for Unwant {
-    fn new() -> Unwant {
-        Unwant::new()
-    }
-
-    fn descriptor_static(_: ::std::option::Option<Unwant>) -> &'static ::protobuf::reflect::MessageDescriptor {
-        static mut descriptor: ::protobuf::lazy::Lazy<::protobuf::reflect::MessageDescriptor> = ::protobuf::lazy::Lazy {
-            lock: ::protobuf::lazy::ONCE_INIT,
-            ptr: 0 as *const ::protobuf::reflect::MessageDescriptor,
-        };
-        unsafe {
-            descriptor.get(|| {
-                let mut fields = ::std::vec::Vec::new();
-                fields.push(::protobuf::reflect::accessor::make_option_accessor::<_, ::protobuf::types::ProtobufTypeUint64>(
-                    "start",
-                    Unwant::get_start_for_reflect,
-                    Unwant::mut_start_for_reflect,
-                ));
-                fields.push(::protobuf::reflect::accessor::make_option_accessor::<_, ::protobuf::types::ProtobufTypeUint64>(
-                    "length",
-                    Unwant::get_length_for_reflect,
-                    Unwant::mut_length_for_reflect,
-                ));
-                ::protobuf::reflect::MessageDescriptor::new::<Unwant>(
-                    "Unwant",
-                    fields,
-                    file_descriptor_proto()
-                )
-            })
-        }
-    }
-}
-
-impl ::protobuf::Clear for Unwant {
-    fn clear(&mut self) {
-        self.clear_start();
-        self.clear_length();
-        self.unknown_fields.clear();
-    }
-}
-
-impl ::std::fmt::Debug for Unwant {
-    fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
-        ::protobuf::text_format::fmt(self, f)
-    }
-}
-
-impl ::protobuf::reflect::ProtobufValue for Unwant {
-    fn as_ref(&self) -> ::protobuf::reflect::ProtobufValueRef {
-        ::protobuf::reflect::ProtobufValueRef::Message(self)
-    }
-}
-
-#[derive(PartialEq,Clone,Default)]
-pub struct Request {
-    // message fields
-    index: ::std::option::Option<u64>,
-    bytes: ::std::option::Option<u64>,
-    hash: ::std::option::Option<bool>,
-    nodes: ::std::option::Option<u64>,
-    // special fields
-    unknown_fields: ::protobuf::UnknownFields,
-    cached_size: ::protobuf::CachedSize,
-}
-
-// see codegen.rs for the explanation why impl Sync explicitly
-unsafe impl ::std::marker::Sync for Request {}
-
-impl Request {
-    pub fn new() -> Request {
-        ::std::default::Default::default()
-    }
-
-    pub fn default_instance() -> &'static Request {
-        static mut instance: ::protobuf::lazy::Lazy<Request> = ::protobuf::lazy::Lazy {
-            lock: ::protobuf::lazy::ONCE_INIT,
-            ptr: 0 as *const Request,
-        };
-        unsafe {
-            instance.get(Request::new)
-        }
-    }
-
-    // required uint64 index = 1;
-
-    pub fn clear_index(&mut self) {
-        self.index = ::std::option::Option::None;
-    }
-
-    pub fn has_index(&self) -> bool {
-        self.index.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_index(&mut self, v: u64) {
-        self.index = ::std::option::Option::Some(v);
-    }
-
-    pub fn get_index(&self) -> u64 {
-        self.index.unwrap_or(0)
-    }
-
-    fn get_index_for_reflect(&self) -> &::std::option::Option<u64> {
-        &self.index
-    }
-
-    fn mut_index_for_reflect(&mut self) -> &mut ::std::option::Option<u64> {
-        &mut self.index
-    }
-
-    // optional uint64 bytes = 2;
-
-    pub fn clear_bytes(&mut self) {
-        self.bytes = ::std::option::Option::None;
-    }
-
-    pub fn has_bytes(&self) -> bool {
-        self.bytes.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_bytes(&mut self, v: u64) {
-        self.bytes = ::std::option::Option::Some(v);
-    }
-
-    pub fn get_bytes(&self) -> u64 {
-        self.bytes.unwrap_or(0)
-    }
-
-    fn get_bytes_for_reflect(&self) -> &::std::option::Option<u64> {
-        &self.bytes
-    }
-
-    fn mut_bytes_for_reflect(&mut self) -> &mut ::std::option::Option<u64> {
-        &mut self.bytes
-    }
-
-    // optional bool hash = 3;
-
-    pub fn clear_hash(&mut self) {
-        self.hash = ::std::option::Option::None;
-    }
-
-    pub fn has_hash(&self) -> bool {
-        self.hash.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_hash(&mut self, v: bool) {
-        self.hash = ::std::option::Option::Some(v);
-    }
-
-    pub fn get_hash(&self) -> bool {
-        self.hash.unwrap_or(false)
-    }
-
-    fn get_hash_for_reflect(&self) -> &::std::option::Option<bool> {
-        &self.hash
-    }
-
-    fn mut_hash_for_reflect(&mut self) -> &mut ::std::option::Option<bool> {
-        &mut self.hash
-    }
-
-    // optional uint64 nodes = 4;
-
-    pub fn clear_nodes(&mut self) {
-        self.nodes = ::std::option::Option::None;
-    }
-
-    pub fn has_nodes(&self) -> bool {
-        self.nodes.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_nodes(&mut self, v: u64) {
-        self.nodes = ::std::option::Option::Some(v);
-    }
-
-    pub fn get_nodes(&self) -> u64 {
-        self.nodes.unwrap_or(0)
-    }
-
-    fn get_nodes_for_reflect(&self) -> &::std::option::Option<u64> {
-        &self.nodes
-    }
-
-    fn mut_nodes_for_reflect(&mut self) -> &mut ::std::option::Option<u64> {
-        &mut self.nodes
-    }
-}
-
-impl ::protobuf::Message for Request {
-    fn is_initialized(&self) -> bool {
-        if self.index.is_none() {
-            return false;
-        }
-        true
-    }
-
-    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream) -> ::protobuf::ProtobufResult<()> {
-        while !is.eof()? {
-            let (field_number, wire_type) = is.read_tag_unpack()?;
-            match field_number {
-                1 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_uint64()?;
-                    self.index = ::std::option::Option::Some(tmp);
-                },
-                2 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_uint64()?;
-                    self.bytes = ::std::option::Option::Some(tmp);
-                },
-                3 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_bool()?;
-                    self.hash = ::std::option::Option::Some(tmp);
-                },
-                4 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_uint64()?;
-                    self.nodes = ::std::option::Option::Some(tmp);
-                },
-                _ => {
-                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
-                },
-            };
-        }
-        ::std::result::Result::Ok(())
-    }
-
-    // Compute sizes of nested messages
-    #[allow(unused_variables)]
-    fn compute_size(&self) -> u32 {
-        let mut my_size = 0;
-        if let Some(v) = self.index {
-            my_size += ::protobuf::rt::value_size(1, v, ::protobuf::wire_format::WireTypeVarint);
-        }
-        if let Some(v) = self.bytes {
-            my_size += ::protobuf::rt::value_size(2, v, ::protobuf::wire_format::WireTypeVarint);
-        }
-        if let Some(v) = self.hash {
-            my_size += 2;
-        }
-        if let Some(v) = self.nodes {
-            my_size += ::protobuf::rt::value_size(4, v, ::protobuf::wire_format::WireTypeVarint);
-        }
-        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
-        self.cached_size.set(my_size);
-        my_size
-    }
-
-    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream) -> ::protobuf::ProtobufResult<()> {
-        if let Some(v) = self.index {
-            os.write_uint64(1, v)?;
-        }
-        if let Some(v) = self.bytes {
-            os.write_uint64(2, v)?;
-        }
-        if let Some(v) = self.hash {
-            os.write_bool(3, v)?;
-        }
-        if let Some(v) = self.nodes {
-            os.write_uint64(4, v)?;
-        }
-        os.write_unknown_fields(self.get_unknown_fields())?;
-        ::std::result::Result::Ok(())
-    }
-
-    fn get_cached_size(&self) -> u32 {
-        self.cached_size.get()
-    }
-
-    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
-        &self.unknown_fields
-    }
-
-    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
-        &mut self.unknown_fields
-    }
-
-    fn as_any(&self) -> &::std::any::Any {
-        self as &::std::any::Any
-    }
-    fn as_any_mut(&mut self) -> &mut ::std::any::Any {
-        self as &mut ::std::any::Any
-    }
-    fn into_any(self: Box<Self>) -> ::std::boxed::Box<::std::any::Any> {
-        self
-    }
-
-    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
-        ::protobuf::MessageStatic::descriptor_static(None::<Self>)
-    }
-}
-
-impl ::protobuf::MessageStatic for Request {
-    fn new() -> Request {
-        Request::new()
-    }
-
-    fn descriptor_static(_: ::std::option::Option<Request>) -> &'static ::protobuf::reflect::MessageDescriptor {
-        static mut descriptor: ::protobuf::lazy::Lazy<::protobuf::reflect::MessageDescriptor> = ::protobuf::lazy::Lazy {
-            lock: ::protobuf::lazy::ONCE_INIT,
-            ptr: 0 as *const ::protobuf::reflect::MessageDescriptor,
-        };
-        unsafe {
-            descriptor.get(|| {
-                let mut fields = ::std::vec::Vec::new();
-                fields.push(::protobuf::reflect::accessor::make_option_accessor::<_, ::protobuf::types::ProtobufTypeUint64>(
-                    "index",
-                    Request::get_index_for_reflect,
-                    Request::mut_index_for_reflect,
-                ));
-                fields.push(::protobuf::reflect::accessor::make_option_accessor::<_, ::protobuf::types::ProtobufTypeUint64>(
-                    "bytes",
-                    Request::get_bytes_for_reflect,
-                    Request::mut_bytes_for_reflect,
-                ));
-                fields.push(::protobuf::reflect::accessor::make_option_accessor::<_, ::protobuf::types::ProtobufTypeBool>(
-                    "hash",
-                    Request::get_hash_for_reflect,
-                    Request::mut_hash_for_reflect,
-                ));
-                fields.push(::protobuf::reflect::accessor::make_option_accessor::<_, ::protobuf::types::ProtobufTypeUint64>(
-                    "nodes",
-                    Request::get_nodes_for_reflect,
-                    Request::mut_nodes_for_reflect,
-                ));
-                ::protobuf::reflect::MessageDescriptor::new::<Request>(
-                    "Request",
-                    fields,
-                    file_descriptor_proto()
-                )
-            })
-        }
-    }
-}
-
-impl ::protobuf::Clear for Request {
-    fn clear(&mut self) {
-        self.clear_index();
-        self.clear_bytes();
-        self.clear_hash();
-        self.clear_nodes();
-        self.unknown_fields.clear();
-    }
-}
-
-impl ::std::fmt::Debug for Request {
-    fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
-        ::protobuf::text_format::fmt(self, f)
-    }
-}
-
-impl ::protobuf::reflect::ProtobufValue for Request {
-    fn as_ref(&self) -> ::protobuf::reflect::ProtobufValueRef {
-        ::protobuf::reflect::ProtobufValueRef::Message(self)
-    }
-}
-
-#[derive(PartialEq,Clone,Default)]
-pub struct Cancel {
-    // message fields
-    index: ::std::option::Option<u64>,
-    bytes: ::std::option::Option<u64>,
-    hash: ::std::option::Option<bool>,
-    // special fields
-    unknown_fields: ::protobuf::UnknownFields,
-    cached_size: ::protobuf::CachedSize,
-}
-
-// see codegen.rs for the explanation why impl Sync explicitly
-unsafe impl ::std::marker::Sync for Cancel {}
-
-impl Cancel {
-    pub fn new() -> Cancel {
-        ::std::default::Default::default()
-    }
-
-    pub fn default_instance() -> &'static Cancel {
-        static mut instance: ::protobuf::lazy::Lazy<Cancel> = ::protobuf::lazy::Lazy {
-            lock: ::protobuf::lazy::ONCE_INIT,
-            ptr: 0 as *const Cancel,
-        };
-        unsafe {
-            instance.get(Cancel::new)
-        }
-    }
-
-    // required uint64 index = 1;
-
-    pub fn clear_index(&mut self) {
-        self.index = ::std::option::Option::None;
-    }
-
-    pub fn has_index(&self) -> bool {
-        self.index.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_index(&mut self, v: u64) {
-        self.index = ::std::option::Option::Some(v);
-    }
-
-    pub fn get_index(&self) -> u64 {
-        self.index.unwrap_or(0)
-    }
-
-    fn get_index_for_reflect(&self) -> &::std::option::Option<u64> {
-        &self.index
-    }
-
-    fn mut_index_for_reflect(&mut self) -> &mut ::std::option::Option<u64> {
-        &mut self.index
-    }
-
-    // optional uint64 bytes = 2;
-
-    pub fn clear_bytes(&mut self) {
-        self.bytes = ::std::option::Option::None;
-    }
-
-    pub fn has_bytes(&self) -> bool {
-        self.bytes.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_bytes(&mut self, v: u64) {
-        self.bytes = ::std::option::Option::Some(v);
-    }
-
-    pub fn get_bytes(&self) -> u64 {
-        self.bytes.unwrap_or(0)
-    }
-
-    fn get_bytes_for_reflect(&self) -> &::std::option::Option<u64> {
-        &self.bytes
-    }
-
-    fn mut_bytes_for_reflect(&mut self) -> &mut ::std::option::Option<u64> {
-        &mut self.bytes
-    }
-
-    // optional bool hash = 3;
-
-    pub fn clear_hash(&mut self) {
-        self.hash = ::std::option::Option::None;
-    }
-
-    pub fn has_hash(&self) -> bool {
-        self.hash.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_hash(&mut self, v: bool) {
-        self.hash = ::std::option::Option::Some(v);
-    }
-
-    pub fn get_hash(&self) -> bool {
-        self.hash.unwrap_or(false)
-    }
-
-    fn get_hash_for_reflect(&self) -> &::std::option::Option<bool> {
-        &self.hash
-    }
-
-    fn mut_hash_for_reflect(&mut self) -> &mut ::std::option::Option<bool> {
-        &mut self.hash
-    }
-}
-
-impl ::protobuf::Message for Cancel {
-    fn is_initialized(&self) -> bool {
-        if self.index.is_none() {
-            return false;
-        }
-        true
-    }
-
-    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream) -> ::protobuf::ProtobufResult<()> {
-        while !is.eof()? {
-            let (field_number, wire_type) = is.read_tag_unpack()?;
-            match field_number {
-                1 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_uint64()?;
-                    self.index = ::std::option::Option::Some(tmp);
-                },
-                2 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_uint64()?;
-                    self.bytes = ::std::option::Option::Some(tmp);
-                },
-                3 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_bool()?;
-                    self.hash = ::std::option::Option::Some(tmp);
-                },
-                _ => {
-                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
-                },
-            };
-        }
-        ::std::result::Result::Ok(())
-    }
-
-    // Compute sizes of nested messages
-    #[allow(unused_variables)]
-    fn compute_size(&self) -> u32 {
-        let mut my_size = 0;
-        if let Some(v) = self.index {
-            my_size += ::protobuf::rt::value_size(1, v, ::protobuf::wire_format::WireTypeVarint);
-        }
-        if let Some(v) = self.bytes {
-            my_size += ::protobuf::rt::value_size(2, v, ::protobuf::wire_format::WireTypeVarint);
-        }
-        if let Some(v) = self.hash {
-            my_size += 2;
-        }
-        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
-        self.cached_size.set(my_size);
-        my_size
-    }
-
-    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream) -> ::protobuf::ProtobufResult<()> {
-        if let Some(v) = self.index {
-            os.write_uint64(1, v)?;
-        }
-        if let Some(v) = self.bytes {
-            os.write_uint64(2, v)?;
-        }
-        if let Some(v) = self.hash {
-            os.write_bool(3, v)?;
-        }
-        os.write_unknown_fields(self.get_unknown_fields())?;
-        ::std::result::Result::Ok(())
-    }
-
-    fn get_cached_size(&self) -> u32 {
-        self.cached_size.get()
-    }
-
-    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
-        &self.unknown_fields
-    }
-
-    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
-        &mut self.unknown_fields
-    }
-
-    fn as_any(&self) -> &::std::any::Any {
-        self as &::std::any::Any
-    }
-    fn as_any_mut(&mut self) -> &mut ::std::any::Any {
-        self as &mut ::std::any::Any
-    }
-    fn into_any(self: Box<Self>) -> ::std::boxed::Box<::std::any::Any> {
-        self
-    }
-
-    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
-        ::protobuf::MessageStatic::descriptor_static(None::<Self>)
-    }
-}
-
-impl ::protobuf::MessageStatic for Cancel {
-    fn new() -> Cancel {
-        Cancel::new()
-    }
-
-    fn descriptor_static(_: ::std::option::Option<Cancel>) -> &'static ::protobuf::reflect::MessageDescriptor {
-        static mut descriptor: ::protobuf::lazy::Lazy<::protobuf::reflect::MessageDescriptor> = ::protobuf::lazy::Lazy {
-            lock: ::protobuf::lazy::ONCE_INIT,
-            ptr: 0 as *const ::protobuf::reflect::MessageDescriptor,
-        };
-        unsafe {
-            descriptor.get(|| {
-                let mut fields = ::std::vec::Vec::new();
-                fields.push(::protobuf::reflect::accessor::make_option_accessor::<_, ::protobuf::types::ProtobufTypeUint64>(
-                    "index",
-                    Cancel::get_index_for_reflect,
-                    Cancel::mut_index_for_reflect,
-                ));
-                fields.push(::protobuf::reflect::accessor::make_option_accessor::<_, ::protobuf::types::ProtobufTypeUint64>(
-                    "bytes",
-                    Cancel::get_bytes_for_reflect,
-                    Cancel::mut_bytes_for_reflect,
-                ));
-                fields.push(::protobuf::reflect::accessor::make_option_accessor::<_, ::protobuf::types::ProtobufTypeBool>(
-                    "hash",
-                    Cancel::get_hash_for_reflect,
-                    Cancel::mut_hash_for_reflect,
-                ));
-                ::protobuf::reflect::MessageDescriptor::new::<Cancel>(
-                    "Cancel",
-                    fields,
-                    file_descriptor_proto()
-                )
-            })
-        }
-    }
-}
-
-impl ::protobuf::Clear for Cancel {
-    fn clear(&mut self) {
-        self.clear_index();
-        self.clear_bytes();
-        self.clear_hash();
-        self.unknown_fields.clear();
-    }
-}
-
-impl ::std::fmt::Debug for Cancel {
-    fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
-        ::protobuf::text_format::fmt(self, f)
-    }
-}
-
-impl ::protobuf::reflect::ProtobufValue for Cancel {
-    fn as_ref(&self) -> ::protobuf::reflect::ProtobufValueRef {
-        ::protobuf::reflect::ProtobufValueRef::Message(self)
-    }
-}
-
-#[derive(PartialEq,Clone,Default)]
-pub struct Data {
-    // message fields
-    index: ::std::option::Option<u64>,
-    value: ::protobuf::SingularField<::std::vec::Vec<u8>>,
-    nodes: ::protobuf::RepeatedField<Data_Node>,
-    signature: ::protobuf::SingularField<::std::vec::Vec<u8>>,
-    // special fields
-    unknown_fields: ::protobuf::UnknownFields,
-    cached_size: ::protobuf::CachedSize,
-}
-
-// see codegen.rs for the explanation why impl Sync explicitly
-unsafe impl ::std::marker::Sync for Data {}
-
-impl Data {
-    pub fn new() -> Data {
-        ::std::default::Default::default()
-    }
-
-    pub fn default_instance() -> &'static Data {
-        static mut instance: ::protobuf::lazy::Lazy<Data> = ::protobuf::lazy::Lazy {
-            lock: ::protobuf::lazy::ONCE_INIT,
-            ptr: 0 as *const Data,
-        };
-        unsafe {
-            instance.get(Data::new)
-        }
-    }
-
-    // required uint64 index = 1;
-
-    pub fn clear_index(&mut self) {
-        self.index = ::std::option::Option::None;
-    }
-
-    pub fn has_index(&self) -> bool {
-        self.index.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_index(&mut self, v: u64) {
-        self.index = ::std::option::Option::Some(v);
-    }
-
-    pub fn get_index(&self) -> u64 {
-        self.index.unwrap_or(0)
-    }
-
-    fn get_index_for_reflect(&self) -> &::std::option::Option<u64> {
-        &self.index
-    }
-
-    fn mut_index_for_reflect(&mut self) -> &mut ::std::option::Option<u64> {
-        &mut self.index
-    }
-
-    // optional bytes value = 2;
-
-    pub fn clear_value(&mut self) {
-        self.value.clear();
-    }
-
-    pub fn has_value(&self) -> bool {
-        self.value.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_value(&mut self, v: ::std::vec::Vec<u8>) {
-        self.value = ::protobuf::SingularField::some(v);
-    }
-
-    // Mutable pointer to the field.
-    // If field is not initialized, it is initialized with default value first.
-    pub fn mut_value(&mut self) -> &mut ::std::vec::Vec<u8> {
-        if self.value.is_none() {
-            self.value.set_default();
-        }
-        self.value.as_mut().unwrap()
-    }
-
-    // Take field
-    pub fn take_value(&mut self) -> ::std::vec::Vec<u8> {
-        self.value.take().unwrap_or_else(|| ::std::vec::Vec::new())
-    }
-
-    pub fn get_value(&self) -> &[u8] {
-        match self.value.as_ref() {
-            Some(v) => &v,
-            None => &[],
-        }
-    }
-
-    fn get_value_for_reflect(&self) -> &::protobuf::SingularField<::std::vec::Vec<u8>> {
-        &self.value
-    }
-
-    fn mut_value_for_reflect(&mut self) -> &mut ::protobuf::SingularField<::std::vec::Vec<u8>> {
-        &mut self.value
-    }
-
-    // repeated .Data.Node nodes = 3;
-
-    pub fn clear_nodes(&mut self) {
-        self.nodes.clear();
-    }
-
-    // Param is passed by value, moved
-    pub fn set_nodes(&mut self, v: ::protobuf::RepeatedField<Data_Node>) {
-        self.nodes = v;
-    }
-
-    // Mutable pointer to the field.
-    pub fn mut_nodes(&mut self) -> &mut ::protobuf::RepeatedField<Data_Node> {
-        &mut self.nodes
-    }
-
-    // Take field
-    pub fn take_nodes(&mut self) -> ::protobuf::RepeatedField<Data_Node> {
-        ::std::mem::replace(&mut self.nodes, ::protobuf::RepeatedField::new())
-    }
-
-    pub fn get_nodes(&self) -> &[Data_Node] {
-        &self.nodes
-    }
-
-    fn get_nodes_for_reflect(&self) -> &::protobuf::RepeatedField<Data_Node> {
-        &self.nodes
-    }
-
-    fn mut_nodes_for_reflect(&mut self) -> &mut ::protobuf::RepeatedField<Data_Node> {
-        &mut self.nodes
-    }
-
-    // optional bytes signature = 4;
-
-    pub fn clear_signature(&mut self) {
-        self.signature.clear();
-    }
-
-    pub fn has_signature(&self) -> bool {
-        self.signature.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_signature(&mut self, v: ::std::vec::Vec<u8>) {
-        self.signature = ::protobuf::SingularField::some(v);
-    }
-
-    // Mutable pointer to the field.
-    // If field is not initialized, it is initialized with default value first.
-    pub fn mut_signature(&mut self) -> &mut ::std::vec::Vec<u8> {
-        if self.signature.is_none() {
-            self.signature.set_default();
-        }
-        self.signature.as_mut().unwrap()
-    }
-
-    // Take field
-    pub fn take_signature(&mut self) -> ::std::vec::Vec<u8> {
-        self.signature.take().unwrap_or_else(|| ::std::vec::Vec::new())
-    }
-
-    pub fn get_signature(&self) -> &[u8] {
-        match self.signature.as_ref() {
-            Some(v) => &v,
-            None => &[],
-        }
-    }
-
-    fn get_signature_for_reflect(&self) -> &::protobuf::SingularField<::std::vec::Vec<u8>> {
-        &self.signature
-    }
-
-    fn mut_signature_for_reflect(&mut self) -> &mut ::protobuf::SingularField<::std::vec::Vec<u8>> {
-        &mut self.signature
-    }
-}
-
-impl ::protobuf::Message for Data {
-    fn is_initialized(&self) -> bool {
-        if self.index.is_none() {
-            return false;
-        }
-        for v in &self.nodes {
-            if !v.is_initialized() {
-                return false;
-            }
-        };
-        true
-    }
-
-    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream) -> ::protobuf::ProtobufResult<()> {
-        while !is.eof()? {
-            let (field_number, wire_type) = is.read_tag_unpack()?;
-            match field_number {
-                1 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_uint64()?;
-                    self.index = ::std::option::Option::Some(tmp);
-                },
-                2 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.value)?;
-                },
-                3 => {
-                    ::protobuf::rt::read_repeated_message_into(wire_type, is, &mut self.nodes)?;
-                },
-                4 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.signature)?;
-                },
-                _ => {
-                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
-                },
-            };
-        }
-        ::std::result::Result::Ok(())
-    }
-
-    // Compute sizes of nested messages
-    #[allow(unused_variables)]
-    fn compute_size(&self) -> u32 {
-        let mut my_size = 0;
-        if let Some(v) = self.index {
-            my_size += ::protobuf::rt::value_size(1, v, ::protobuf::wire_format::WireTypeVarint);
-        }
-        if let Some(ref v) = self.value.as_ref() {
-            my_size += ::protobuf::rt::bytes_size(2, &v);
-        }
-        for value in &self.nodes {
-            let len = value.compute_size();
-            my_size += 1 + ::protobuf::rt::compute_raw_varint32_size(len) + len;
-        };
-        if let Some(ref v) = self.signature.as_ref() {
-            my_size += ::protobuf::rt::bytes_size(4, &v);
-        }
-        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
-        self.cached_size.set(my_size);
-        my_size
-    }
-
-    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream) -> ::protobuf::ProtobufResult<()> {
-        if let Some(v) = self.index {
-            os.write_uint64(1, v)?;
-        }
-        if let Some(ref v) = self.value.as_ref() {
-            os.write_bytes(2, &v)?;
-        }
-        for v in &self.nodes {
-            os.write_tag(3, ::protobuf::wire_format::WireTypeLengthDelimited)?;
-            os.write_raw_varint32(v.get_cached_size())?;
-            v.write_to_with_cached_sizes(os)?;
-        };
-        if let Some(ref v) = self.signature.as_ref() {
-            os.write_bytes(4, &v)?;
-        }
-        os.write_unknown_fields(self.get_unknown_fields())?;
-        ::std::result::Result::Ok(())
-    }
-
-    fn get_cached_size(&self) -> u32 {
-        self.cached_size.get()
-    }
-
-    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
-        &self.unknown_fields
-    }
-
-    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
-        &mut self.unknown_fields
-    }
-
-    fn as_any(&self) -> &::std::any::Any {
-        self as &::std::any::Any
-    }
-    fn as_any_mut(&mut self) -> &mut ::std::any::Any {
-        self as &mut ::std::any::Any
-    }
-    fn into_any(self: Box<Self>) -> ::std::boxed::Box<::std::any::Any> {
-        self
-    }
-
-    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
-        ::protobuf::MessageStatic::descriptor_static(None::<Self>)
-    }
-}
-
-impl ::protobuf::MessageStatic for Data {
-    fn new() -> Data {
-        Data::new()
-    }
-
-    fn descriptor_static(_: ::std::option::Option<Data>) -> &'static ::protobuf::reflect::MessageDescriptor {
-        static mut descriptor: ::protobuf::lazy::Lazy<::protobuf::reflect::MessageDescriptor> = ::protobuf::lazy::Lazy {
-            lock: ::protobuf::lazy::ONCE_INIT,
-            ptr: 0 as *const ::protobuf::reflect::MessageDescriptor,
-        };
-        unsafe {
-            descriptor.get(|| {
-                let mut fields = ::std::vec::Vec::new();
-                fields.push(::protobuf::reflect::accessor::make_option_accessor::<_, ::protobuf::types::ProtobufTypeUint64>(
-                    "index",
-                    Data::get_index_for_reflect,
-                    Data::mut_index_for_reflect,
-                ));
-                fields.push(::protobuf::reflect::accessor::make_singular_field_accessor::<_, ::protobuf::types::ProtobufTypeBytes>(
-                    "value",
-                    Data::get_value_for_reflect,
-                    Data::mut_value_for_reflect,
-                ));
-                fields.push(::protobuf::reflect::accessor::make_repeated_field_accessor::<_, ::protobuf::types::ProtobufTypeMessage<Data_Node>>(
-                    "nodes",
-                    Data::get_nodes_for_reflect,
-                    Data::mut_nodes_for_reflect,
-                ));
-                fields.push(::protobuf::reflect::accessor::make_singular_field_accessor::<_, ::protobuf::types::ProtobufTypeBytes>(
-                    "signature",
-                    Data::get_signature_for_reflect,
-                    Data::mut_signature_for_reflect,
-                ));
-                ::protobuf::reflect::MessageDescriptor::new::<Data>(
-                    "Data",
-                    fields,
-                    file_descriptor_proto()
-                )
-            })
-        }
-    }
-}
-
-impl ::protobuf::Clear for Data {
-    fn clear(&mut self) {
-        self.clear_index();
-        self.clear_value();
-        self.clear_nodes();
-        self.clear_signature();
-        self.unknown_fields.clear();
-    }
-}
-
-impl ::std::fmt::Debug for Data {
-    fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
-        ::protobuf::text_format::fmt(self, f)
-    }
-}
-
-impl ::protobuf::reflect::ProtobufValue for Data {
-    fn as_ref(&self) -> ::protobuf::reflect::ProtobufValueRef {
-        ::protobuf::reflect::ProtobufValueRef::Message(self)
-    }
-}
-
-#[derive(PartialEq,Clone,Default)]
-pub struct Data_Node {
-    // message fields
-    index: ::std::option::Option<u64>,
-    hash: ::protobuf::SingularField<::std::vec::Vec<u8>>,
-    size: ::std::option::Option<u64>,
-    // special fields
-    unknown_fields: ::protobuf::UnknownFields,
-    cached_size: ::protobuf::CachedSize,
-}
-
-// see codegen.rs for the explanation why impl Sync explicitly
-unsafe impl ::std::marker::Sync for Data_Node {}
-
-impl Data_Node {
-    pub fn new() -> Data_Node {
-        ::std::default::Default::default()
-    }
-
-    pub fn default_instance() -> &'static Data_Node {
-        static mut instance: ::protobuf::lazy::Lazy<Data_Node> = ::protobuf::lazy::Lazy {
-            lock: ::protobuf::lazy::ONCE_INIT,
-            ptr: 0 as *const Data_Node,
-        };
-        unsafe {
-            instance.get(Data_Node::new)
-        }
-    }
-
-    // required uint64 index = 1;
-
-    pub fn clear_index(&mut self) {
-        self.index = ::std::option::Option::None;
-    }
-
-    pub fn has_index(&self) -> bool {
-        self.index.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_index(&mut self, v: u64) {
-        self.index = ::std::option::Option::Some(v);
-    }
-
-    pub fn get_index(&self) -> u64 {
-        self.index.unwrap_or(0)
-    }
-
-    fn get_index_for_reflect(&self) -> &::std::option::Option<u64> {
-        &self.index
-    }
-
-    fn mut_index_for_reflect(&mut self) -> &mut ::std::option::Option<u64> {
-        &mut self.index
-    }
-
-    // required bytes hash = 2;
-
-    pub fn clear_hash(&mut self) {
-        self.hash.clear();
-    }
-
-    pub fn has_hash(&self) -> bool {
-        self.hash.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_hash(&mut self, v: ::std::vec::Vec<u8>) {
-        self.hash = ::protobuf::SingularField::some(v);
-    }
-
-    // Mutable pointer to the field.
-    // If field is not initialized, it is initialized with default value first.
-    pub fn mut_hash(&mut self) -> &mut ::std::vec::Vec<u8> {
-        if self.hash.is_none() {
-            self.hash.set_default();
-        }
-        self.hash.as_mut().unwrap()
-    }
-
-    // Take field
-    pub fn take_hash(&mut self) -> ::std::vec::Vec<u8> {
-        self.hash.take().unwrap_or_else(|| ::std::vec::Vec::new())
-    }
-
-    pub fn get_hash(&self) -> &[u8] {
-        match self.hash.as_ref() {
-            Some(v) => &v,
-            None => &[],
-        }
-    }
-
-    fn get_hash_for_reflect(&self) -> &::protobuf::SingularField<::std::vec::Vec<u8>> {
-        &self.hash
-    }
-
-    fn mut_hash_for_reflect(&mut self) -> &mut ::protobuf::SingularField<::std::vec::Vec<u8>> {
-        &mut self.hash
-    }
-
-    // required uint64 size = 3;
-
-    pub fn clear_size(&mut self) {
-        self.size = ::std::option::Option::None;
-    }
-
-    pub fn has_size(&self) -> bool {
-        self.size.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_size(&mut self, v: u64) {
-        self.size = ::std::option::Option::Some(v);
-    }
-
-    pub fn get_size(&self) -> u64 {
-        self.size.unwrap_or(0)
-    }
-
-    fn get_size_for_reflect(&self) -> &::std::option::Option<u64> {
-        &self.size
-    }
-
-    fn mut_size_for_reflect(&mut self) -> &mut ::std::option::Option<u64> {
-        &mut self.size
-    }
-}
-
-impl ::protobuf::Message for Data_Node {
-    fn is_initialized(&self) -> bool {
-        if self.index.is_none() {
-            return false;
-        }
-        if self.hash.is_none() {
-            return false;
-        }
-        if self.size.is_none() {
-            return false;
-        }
-        true
-    }
-
-    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream) -> ::protobuf::ProtobufResult<()> {
-        while !is.eof()? {
-            let (field_number, wire_type) = is.read_tag_unpack()?;
-            match field_number {
-                1 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_uint64()?;
-                    self.index = ::std::option::Option::Some(tmp);
-                },
-                2 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.hash)?;
-                },
-                3 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
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-                    let tmp = is.read_uint64()?;
-                    self.size = ::std::option::Option::Some(tmp);
-                },
-                _ => {
-                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
-                },
-            };
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-        ::std::result::Result::Ok(())
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-    // Compute sizes of nested messages
-    #[allow(unused_variables)]
-    fn compute_size(&self) -> u32 {
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-        if let Some(v) = self.index {
-            my_size += ::protobuf::rt::value_size(1, v, ::protobuf::wire_format::WireTypeVarint);
-        }
-        if let Some(ref v) = self.hash.as_ref() {
-            my_size += ::protobuf::rt::bytes_size(2, &v);
-        }
-        if let Some(v) = self.size {
-            my_size += ::protobuf::rt::value_size(3, v, ::protobuf::wire_format::WireTypeVarint);
-        }
-        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
-        self.cached_size.set(my_size);
-        my_size
-    }
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-    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream) -> ::protobuf::ProtobufResult<()> {
-        if let Some(v) = self.index {
-            os.write_uint64(1, v)?;
-        }
-        if let Some(ref v) = self.hash.as_ref() {
-            os.write_bytes(2, &v)?;
-        }
-        if let Some(v) = self.size {
-            os.write_uint64(3, v)?;
-        }
-        os.write_unknown_fields(self.get_unknown_fields())?;
-        ::std::result::Result::Ok(())
-    }
-
-    fn get_cached_size(&self) -> u32 {
-        self.cached_size.get()
-    }
-
-    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
-        &self.unknown_fields
-    }
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-    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
-        &mut self.unknown_fields
-    }
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-    fn as_any(&self) -> &::std::any::Any {
-        self as &::std::any::Any
-    }
-    fn as_any_mut(&mut self) -> &mut ::std::any::Any {
-        self as &mut ::std::any::Any
-    }
-    fn into_any(self: Box<Self>) -> ::std::boxed::Box<::std::any::Any> {
-        self
-    }
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-    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
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-    }
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-impl ::protobuf::MessageStatic for Data_Node {
-    fn new() -> Data_Node {
-        Data_Node::new()
-    }
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-    fn descriptor_static(_: ::std::option::Option<Data_Node>) -> &'static ::protobuf::reflect::MessageDescriptor {
-        static mut descriptor: ::protobuf::lazy::Lazy<::protobuf::reflect::MessageDescriptor> = ::protobuf::lazy::Lazy {
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-            ptr: 0 as *const ::protobuf::reflect::MessageDescriptor,
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-        unsafe {
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-                fields.push(::protobuf::reflect::accessor::make_option_accessor::<_, ::protobuf::types::ProtobufTypeUint64>(
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-                    Data_Node::get_index_for_reflect,
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-                    Data_Node::get_hash_for_reflect,
-                    Data_Node::mut_hash_for_reflect,
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-                    Data_Node::get_size_for_reflect,
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-                    "Data_Node",
-                    fields,
-                    file_descriptor_proto()
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-impl ::protobuf::Clear for Data_Node {
-    fn clear(&mut self) {
-        self.clear_index();
-        self.clear_hash();
-        self.clear_size();
-        self.unknown_fields.clear();
-    }
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-impl ::std::fmt::Debug for Data_Node {
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-        ::protobuf::text_format::fmt(self, f)
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-impl ::protobuf::reflect::ProtobufValue for Data_Node {
-    fn as_ref(&self) -> ::protobuf::reflect::ProtobufValueRef {
-        ::protobuf::reflect::ProtobufValueRef::Message(self)
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-";
-
-static mut file_descriptor_proto_lazy: ::protobuf::lazy::Lazy<::protobuf::descriptor::FileDescriptorProto> = ::protobuf::lazy::Lazy {
-    lock: ::protobuf::lazy::ONCE_INIT,
-    ptr: 0 as *const ::protobuf::descriptor::FileDescriptorProto,
-};
-
-fn parse_descriptor_proto() -> ::protobuf::descriptor::FileDescriptorProto {
-    ::protobuf::parse_from_bytes(file_descriptor_proto_data).unwrap()
-}
-
-pub fn file_descriptor_proto() -> &'static ::protobuf::descriptor::FileDescriptorProto {
-    unsafe {
-        file_descriptor_proto_lazy.get(|| {
-            parse_descriptor_proto()
-        })
-    }
-}