diff --git a/protocols/plaintext/regen_structs_proto.sh b/protocols/plaintext/regen_structs_proto.sh
index 9ac7ab8f..42ecc3ec 100755
--- a/protocols/plaintext/regen_structs_proto.sh
+++ b/protocols/plaintext/regen_structs_proto.sh
@@ -1,8 +1,4 @@
 #!/bin/sh
 
-docker run --rm -v "`pwd`/../../":/usr/code:z -w /usr/code rust /bin/bash -c " \
-    apt-get update; \
-    apt-get install -y protobuf-compiler; \
-    cargo install --version 2.3.0 protobuf-codegen; \
-    protoc --rust_out=./protocols/plaintext/src/pb ./protocols/plaintext/structs.proto;"
+../../scripts/protobuf/gen.sh ./src/structs.proto
 
diff --git a/protocols/plaintext/src/handshake.rs b/protocols/plaintext/src/handshake.rs
index b3c6ca4b..c0b02acc 100644
--- a/protocols/plaintext/src/handshake.rs
+++ b/protocols/plaintext/src/handshake.rs
@@ -20,7 +20,7 @@
 
 use crate::PlainText2Config;
 use crate::error::PlainTextError;
-use crate::pb::structs::Exchange;
+use crate::structs_proto::Exchange;
 
 use bytes::BytesMut;
 use futures::prelude::*;
diff --git a/protocols/plaintext/src/lib.rs b/protocols/plaintext/src/lib.rs
index 985ff0e3..e57139eb 100644
--- a/protocols/plaintext/src/lib.rs
+++ b/protocols/plaintext/src/lib.rs
@@ -43,7 +43,7 @@ use void::Void;
 
 mod error;
 mod handshake;
-mod pb;
+mod structs_proto;
 
 /// `PlainText1Config` is an insecure connection handshake for testing purposes only.
 ///
diff --git a/protocols/plaintext/src/pb.rs b/protocols/plaintext/src/pb.rs
deleted file mode 100644
index 64e83e5d..00000000
--- a/protocols/plaintext/src/pb.rs
+++ /dev/null
@@ -1,21 +0,0 @@
-// Copyright 2019 Parity Technologies (UK) Ltd.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the "Software"),
-// to deal in the Software without restriction, including without limitation
-// the rights to use, copy, modify, merge, publish, distribute, sublicense,
-// and/or sell copies of the Software, and to permit persons to whom the
-// Software is furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-// DEALINGS IN THE SOFTWARE.
-
-pub mod structs;
diff --git a/protocols/plaintext/structs.proto b/protocols/plaintext/src/structs.proto
similarity index 100%
rename from protocols/plaintext/structs.proto
rename to protocols/plaintext/src/structs.proto
diff --git a/protocols/plaintext/src/pb/structs.rs b/protocols/plaintext/src/structs_proto.rs
similarity index 81%
rename from protocols/plaintext/src/pb/structs.rs
rename to protocols/plaintext/src/structs_proto.rs
index 85da2b49..4063daea 100644
--- a/protocols/plaintext/src/pb/structs.rs
+++ b/protocols/plaintext/src/structs_proto.rs
@@ -1,9 +1,9 @@
-// This file is generated by rust-protobuf 2.3.0. Do not edit
+// This file is generated by rust-protobuf 2.8.1. Do not edit
 // @generated
 
 // https://github.com/Manishearth/rust-clippy/issues/702
 #![allow(unknown_lints)]
-#![allow(clippy)]
+#![allow(clippy::all)]
 
 #![cfg_attr(rustfmt, rustfmt_skip)]
 
@@ -17,10 +17,15 @@
 #![allow(unsafe_code)]
 #![allow(unused_imports)]
 #![allow(unused_results)]
+//! Generated file from `src/structs.proto`
 
 use protobuf::Message as Message_imported_for_functions;
 use protobuf::ProtobufEnum as ProtobufEnum_imported_for_functions;
 
+/// Generated files are compatible only with the same version
+/// of protobuf runtime.
+const _PROTOBUF_VERSION_CHECK: () = ::protobuf::VERSION_2_8_1;
+
 #[derive(PartialEq,Clone,Default)]
 pub struct Exchange {
     // message fields
@@ -31,6 +36,12 @@ pub struct Exchange {
     pub cached_size: ::protobuf::CachedSize,
 }
 
+impl<'a> ::std::default::Default for &'a Exchange {
+    fn default() -> &'a Exchange {
+        <Exchange as ::protobuf::Message>::default_instance()
+    }
+}
+
 impl Exchange {
     pub fn new() -> Exchange {
         ::std::default::Default::default()
@@ -38,6 +49,13 @@ impl Exchange {
 
     // optional bytes id = 1;
 
+
+    pub fn get_id(&self) -> &[u8] {
+        match self.id.as_ref() {
+            Some(v) => &v,
+            None => &[],
+        }
+    }
     pub fn clear_id(&mut self) {
         self.id.clear();
     }
@@ -65,15 +83,15 @@ impl Exchange {
         self.id.take().unwrap_or_else(|| ::std::vec::Vec::new())
     }
 
-    pub fn get_id(&self) -> &[u8] {
-        match self.id.as_ref() {
+    // optional bytes pubkey = 2;
+
+
+    pub fn get_pubkey(&self) -> &[u8] {
+        match self.pubkey.as_ref() {
             Some(v) => &v,
             None => &[],
         }
     }
-
-    // optional bytes pubkey = 2;
-
     pub fn clear_pubkey(&mut self) {
         self.pubkey.clear();
     }
@@ -100,13 +118,6 @@ impl Exchange {
     pub fn take_pubkey(&mut self) -> ::std::vec::Vec<u8> {
         self.pubkey.take().unwrap_or_else(|| ::std::vec::Vec::new())
     }
-
-    pub fn get_pubkey(&self) -> &[u8] {
-        match self.pubkey.as_ref() {
-            Some(v) => &v,
-            None => &[],
-        }
-    }
 }
 
 impl ::protobuf::Message for Exchange {
@@ -114,7 +125,7 @@ impl ::protobuf::Message for Exchange {
         true
     }
 
-    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream) -> ::protobuf::ProtobufResult<()> {
+    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 {
@@ -147,7 +158,7 @@ impl ::protobuf::Message for Exchange {
         my_size
     }
 
-    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream) -> ::protobuf::ProtobufResult<()> {
+    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)?;
         }
@@ -170,13 +181,13 @@ impl ::protobuf::Message for Exchange {
         &mut self.unknown_fields
     }
 
-    fn as_any(&self) -> &::std::any::Any {
-        self as &::std::any::Any
+    fn as_any(&self) -> &dyn (::std::any::Any) {
+        self as &dyn (::std::any::Any)
     }
-    fn as_any_mut(&mut self) -> &mut ::std::any::Any {
-        self as &mut ::std::any::Any
+    fn as_any_mut(&mut self) -> &mut dyn (::std::any::Any) {
+        self as &mut dyn (::std::any::Any)
     }
-    fn into_any(self: Box<Self>) -> ::std::boxed::Box<::std::any::Any> {
+    fn into_any(self: Box<Self>) -> ::std::boxed::Box<dyn (::std::any::Any)> {
         self
     }
 
@@ -228,14 +239,14 @@ impl ::protobuf::Message for Exchange {
 
 impl ::protobuf::Clear for Exchange {
     fn clear(&mut self) {
-        self.clear_id();
-        self.clear_pubkey();
+        self.id.clear();
+        self.pubkey.clear();
         self.unknown_fields.clear();
     }
 }
 
 impl ::std::fmt::Debug for Exchange {
-    fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
+    fn fmt(&self, f: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result {
         ::protobuf::text_format::fmt(self, f)
     }
 }
@@ -247,17 +258,17 @@ impl ::protobuf::reflect::ProtobufValue for Exchange {
 }
 
 static file_descriptor_proto_data: &'static [u8] = b"\
-    \n!protocols/plaintext/structs.proto\"2\n\x08Exchange\x12\x0e\n\x02id\
-    \x18\x01\x20\x01(\x0cR\x02id\x12\x16\n\x06pubkey\x18\x02\x20\x01(\x0cR\
-    \x06pubkeyJ\xb4\x01\n\x06\x12\x04\0\0\x05\x01\n\x08\n\x01\x0c\x12\x03\0\
-    \0\x12\n\n\n\x02\x04\0\x12\x04\x02\0\x05\x01\n\n\n\x03\x04\0\x01\x12\x03\
-    \x02\x08\x10\n\x0b\n\x04\x04\0\x02\0\x12\x03\x03\x02\x18\n\x0c\n\x05\x04\
-    \0\x02\0\x04\x12\x03\x03\x02\n\n\x0c\n\x05\x04\0\x02\0\x05\x12\x03\x03\
-    \x0b\x10\n\x0c\n\x05\x04\0\x02\0\x01\x12\x03\x03\x11\x13\n\x0c\n\x05\x04\
-    \0\x02\0\x03\x12\x03\x03\x16\x17\n\x0b\n\x04\x04\0\x02\x01\x12\x03\x04\
-    \x02\x1c\n\x0c\n\x05\x04\0\x02\x01\x04\x12\x03\x04\x02\n\n\x0c\n\x05\x04\
-    \0\x02\x01\x05\x12\x03\x04\x0b\x10\n\x0c\n\x05\x04\0\x02\x01\x01\x12\x03\
-    \x04\x11\x17\n\x0c\n\x05\x04\0\x02\x01\x03\x12\x03\x04\x1a\x1b\
+    \n\x11src/structs.proto\"2\n\x08Exchange\x12\x0e\n\x02id\x18\x01\x20\x01\
+    (\x0cR\x02id\x12\x16\n\x06pubkey\x18\x02\x20\x01(\x0cR\x06pubkeyJ\xb4\
+    \x01\n\x06\x12\x04\0\0\x05\x01\n\x08\n\x01\x0c\x12\x03\0\0\x12\n\n\n\x02\
+    \x04\0\x12\x04\x02\0\x05\x01\n\n\n\x03\x04\0\x01\x12\x03\x02\x08\x10\n\
+    \x0b\n\x04\x04\0\x02\0\x12\x03\x03\x02\x18\n\x0c\n\x05\x04\0\x02\0\x04\
+    \x12\x03\x03\x02\n\n\x0c\n\x05\x04\0\x02\0\x05\x12\x03\x03\x0b\x10\n\x0c\
+    \n\x05\x04\0\x02\0\x01\x12\x03\x03\x11\x13\n\x0c\n\x05\x04\0\x02\0\x03\
+    \x12\x03\x03\x16\x17\n\x0b\n\x04\x04\0\x02\x01\x12\x03\x04\x02\x1c\n\x0c\
+    \n\x05\x04\0\x02\x01\x04\x12\x03\x04\x02\n\n\x0c\n\x05\x04\0\x02\x01\x05\
+    \x12\x03\x04\x0b\x10\n\x0c\n\x05\x04\0\x02\x01\x01\x12\x03\x04\x11\x17\n\
+    \x0c\n\x05\x04\0\x02\x01\x03\x12\x03\x04\x1a\x1b\
 ";
 
 static mut file_descriptor_proto_lazy: ::protobuf::lazy::Lazy<::protobuf::descriptor::FileDescriptorProto> = ::protobuf::lazy::Lazy {