Parachains finality relay (#1199)

bridges/relays/parachains/Cargo.toml

@@ -0,0 +1,28 @@
+[package]
+name = "parachains-relay"
+version = "0.1.0"
+authors = ["Parity Technologies <admin@parity.io>"]
+edition = "2018"
+license = "GPL-3.0-or-later WITH Classpath-exception-2.0"
+
+[dependencies]
+async-std = "1.6.5"
+async-trait = "0.1.40"
+backoff = "0.2"
+futures = "0.3.5"
+linked-hash-map = "0.5.3"
+log = "0.4.11"
+num-traits = "0.2"
+parking_lot = "0.11.0"
+relay-utils = { path = "../utils" }
+
+# Bridge dependencies
+
+bp-parachains = { path = "../../primitives/parachains" }
+bp-polkadot-core = { path = "../../primitives/polkadot-core" }
+relay-substrate-client = { path = "../client-substrate" }
+
+[dev-dependencies]
+codec = { package = "parity-scale-codec", version = "3.0.0" }
+relay-substrate-client = { path = "../client-substrate", features = ["test-helpers"] }
+sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" }