Add reputation system to network crate (#2454)

substrate/core/network-libp2p/src/behaviour.rs

@@ -29,7 +29,7 @@ use libp2p::mdns::{Mdns, MdnsEvent};
 use libp2p::multiaddr::Protocol;
 use libp2p::ping::{Ping, PingConfig, PingEvent, PingSuccess};
 use log::{debug, info, trace, warn};
-use std::{borrow::Cow, cmp, fmt, time::Duration};
+use std::{borrow::Cow, cmp, time::Duration};
 use tokio_io::{AsyncRead, AsyncWrite};
 use tokio_timer::{Delay, clock::Clock};
 use void;
@@ -451,27 +451,3 @@ where
 		Async::NotReady
 	}
 }
-
-/// The severity of misbehaviour of a peer that is reported.
-#[derive(Debug, PartialEq, Eq, Clone)]
-pub enum Severity {
-	/// Peer is timing out. Could be bad connectivity of overload of work on either of our sides.
-	Timeout,
-	/// Peer has been notably useless. E.g. unable to answer a request that we might reasonably consider
-	/// it could answer.
-	Useless(String),
-	/// Peer has behaved in an invalid manner. This doesn't necessarily need to be Byzantine, but peer
-	/// must have taken concrete action in order to behave in such a way which is wantanly invalid.
-	Bad(String),
-}
-
-impl fmt::Display for Severity {
-	fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
-		match self {
-			Severity::Timeout => write!(fmt, "Timeout"),
-			Severity::Useless(r) => write!(fmt, "Useless ({})", r),
-			Severity::Bad(r) => write!(fmt, "Bad ({})", r),
-		}
-	}
-}
-

substrate/core/network-libp2p/src/lib.rs

@@ -25,7 +25,6 @@ mod custom_proto;
 mod service_task;
 mod transport;
 
-pub use crate::behaviour::Severity;
 pub use crate::config::*;
 pub use crate::custom_proto::{CustomMessage, RegisteredProtocol};
 pub use crate::config::{NetworkConfiguration, NodeKeyConfig, Secret, NonReservedPeerMode};