Add a reputation system (#645)

* Add a reputation system

* Fix tests

* Don't try to dial peers to which we are already connected

* Use the master branch of libp2p

substrate/network-libp2p/Cargo.toml

@@ -11,19 +11,21 @@ bytes = "0.4"
 error-chain = { version = "0.12", default-features = false }
 fnv = "1.0"
 futures = "0.1"
-# libp2p = { git = "https://github.com/tomaka/libp2p-rs", branch = "polkadot-2", default-features = false, features = ["libp2p-secio", "libp2p-secio-secp256k1"] }
-libp2p = { git = "https://github.com/tomaka/libp2p-rs", rev = "6aa139a12dbea3d75d898ce0b2af7fcec129e294", default-features = false, features = ["libp2p-secio", "libp2p-secio-secp256k1"] }
+libp2p = { git = "https://github.com/libp2p/rust-libp2p", rev = "02576eecf140a06134519ed9438d061d99bb2e69", default-features = false, features = ["libp2p-secio", "libp2p-secio-secp256k1"] }
 ethcore-io = { git = "https://github.com/paritytech/parity.git" }
 ethkey = { git = "https://github.com/paritytech/parity.git" }
 ethereum-types = "0.3"
 parking_lot = "0.5"
 libc = "0.2"
 log = "0.3"
 rand = "0.5.0"
+serde = "1.0.70"
+serde_derive = "1.0.70"
+serde_json = "1.0.24"
 tokio = "0.1"
 tokio-io = "0.1"
 tokio-timer = "0.2"
-unsigned-varint = { version = "0.1", features = ["codec"] }
+unsigned-varint = { version = "0.2", features = ["codec"] }
 
 [dev-dependencies]
 assert_matches = "1.2"

substrate/network-libp2p/src/lib.rs

@@ -27,6 +27,10 @@ extern crate ethkey;
 extern crate libc;
 extern crate libp2p;
 extern crate rand;
+extern crate serde;
+#[macro_use]
+extern crate serde_derive;
+extern crate serde_json;
 extern crate bytes;
 extern crate unsigned_varint;
 
@@ -52,6 +56,7 @@ mod error;
 mod network_state;
 mod service;
 mod timeouts;
+mod topology;
 mod traits;
 mod transport;