Remove dependency on the parity repo (#734)

substrate/core/network/src/lib.rs

@@ -22,7 +22,6 @@
 //! Allows attachment of an optional subprotocol for chain-specific requests.
 // end::description[]
 
-extern crate ethcore_io as core_io;
 extern crate linked_hash_map;
 extern crate parking_lot;
 extern crate substrate_primitives as primitives;

substrate/core/network/src/service.rs

@@ -22,7 +22,6 @@ use futures::sync::{oneshot, mpsc};
 use network_libp2p::{NetworkProtocolHandler, NetworkContext, NodeIndex, ProtocolId,
 NetworkConfiguration , NonReservedPeerMode, ErrorKind};
 use network_libp2p::{NetworkService};
-use core_io::{TimerToken};
 use io::NetSyncIo;
 use protocol::{Protocol, ProtocolContext, Context, ProtocolStatus, PeerInfo as ProtocolPeerInfo};
 use config::{ProtocolConfig};
@@ -39,6 +38,8 @@ pub type FetchFuture = oneshot::Receiver<Vec<u8>>;
 /// Type that represents bft messages stream.
 pub type BftMessageStream<B> = mpsc::UnboundedReceiver<LocalizedBftMessage<B>>;
 
+type TimerToken = usize;
+
 const TICK_TOKEN: TimerToken = 0;
 const TICK_TIMEOUT: Duration = Duration::from_millis(1000);