Sync IPC interface (#1584)

* chain notify trait

* replaced network service with io service

* fix ethcore crate warnings

* refactored network service without generic

* ethcore fix

* ethsync refactoring

* proper linking of notify

* manage network interface

* rpc crate rebinding

* full rewire

* sync internal io service

* fix deadlock

* fix warnings and removed async io

* sync imported message propagation

* fix rpc warnings

* binart warnings

* test fixes

* rpc mocks and tests

* fix util doctest

* fix message name and removed empty notifier

* pointers mess & dark mode fixed

* fixed sync doctest

* added few warnings

* fix review

* new convention match

* fix error unwraps

* doctest fix

* basic library re-layout

* missing files to relayout

* duplicating network config on sync level

* binary serializers for config

* ipc endpoint for manage

* ipc endpoint for sync

* handshake sorting out

* sorting out the multi-interface dispatch scenario

* fixing tests

* fix doctest

ipc/nano/src/lib.rs

@@ -33,7 +33,7 @@ const POLL_TIMEOUT: isize = 100;
 const CLIENT_CONNECTION_TIMEOUT: isize = 2500;
 
 /// Generic worker to handle service (binded) sockets
-pub struct Worker<S> where S: IpcInterface<S> {
+pub struct Worker<S: ?Sized> where Arc<S>: IpcInterface<S> {
 	service: Arc<S>,
 	sockets: Vec<(Socket, Endpoint)>,
 	polls: Vec<PollFd>,
@@ -116,7 +116,7 @@ pub enum SocketError {
 	RequestLink,
 }
 
-impl<S> Worker<S> where S: IpcInterface<S> {
+impl<S: ?Sized> Worker<S> where Arc<S>: IpcInterface<S> {
 	/// New worker over specified `service`
 	pub fn new(service: &Arc<S>) -> Worker<S> {
 		Worker::<S> {