Remove ethereum-types as direct dependency (#812)

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

@@ -36,12 +36,11 @@ extern crate serde;
 #[macro_use]
 extern crate serde_derive;
 extern crate serde_json;
+extern crate substrate_primitives as primitives;
 extern crate smallvec;
 extern crate bytes;
 extern crate unsigned_varint;
 
-extern crate ethereum_types;
-
 #[macro_use]
 extern crate error_chain;
 #[macro_use]

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

@@ -23,7 +23,7 @@ use std::time::Duration;
 use TimerToken;
 use libp2p::{multiaddr::Protocol, Multiaddr};
 use error::Error;
-use ethereum_types::H512;
+use primitives::hash::H512;
 
 /// Protocol handler level packet id
 pub type PacketId = u8;