diff --git a/ipc/rpc/src/interface.rs b/ipc/rpc/src/interface.rs
index c99cd3e35..8d67deca3 100644
--- a/ipc/rpc/src/interface.rs
+++ b/ipc/rpc/src/interface.rs
@@ -16,31 +16,43 @@
 
 //! IPC RPC interface
 
+use std::io::{Read, Write};
+use std::marker::Sync;
+use std::sync::atomic::*;
+
 pub trait IpcInterface<T> {
 	/// reads the message from io, dispatches the call and returns result
-	fn dispatch<R>(&self, r: &mut R) -> Vec<u8> where R: ::std::io::Read;
+	fn dispatch<R>(&self, r: &mut R) -> Vec<u8> where R: Read;
 }
 
-pub fn invoke<W>(method_num: u16, params: &Option<Vec<u8>>, w: &mut W) where W: ::std::io::Write {
+/// serializes method invocation (method_num and parameters) to the stream specified by `w`
+pub fn invoke<W>(method_num: u16, params: &Option<Vec<u8>>, w: &mut W) where W: Write {
+	// creating buffer to contain all message
 	let buf_len = match *params { None => 2, Some(ref val) => val.len() + 2 };
 	let mut buf = vec![0u8; buf_len];
+
+	// writing method_num as u16
 	buf[1] = (method_num & 255) as u8;
 	buf[0] = (method_num >> 8) as u8;
+
+	// serializing parameters only if provided with any
 	if params.is_some() {
 		buf[2..buf_len].clone_from_slice(params.as_ref().unwrap());
 	}
 	if w.write(&buf).unwrap() != buf_len
 	{
+		// if write was inconsistent
 		panic!("failed to write to socket");
 	}
 }
 
-pub trait IpcSocket: ::std::io::Read + ::std::io::Write {
-	fn ready(&self) -> ::std::sync::atomic::AtomicBool;
+/// IpcSocket
+pub trait IpcSocket: Read + Write + Sync {
+	fn ready(&self) -> AtomicBool;
 }
 
 impl IpcSocket for ::devtools::TestSocket {
-	fn ready(&self) -> ::std::sync::atomic::AtomicBool {
-		::std::sync::atomic::AtomicBool::new(true)
+	fn ready(&self) -> AtomicBool {
+		AtomicBool::new(true)
 	}
 }