Implement Network Bridge

Cargo.toml

@@ -42,10 +42,12 @@ members = [
 	"service",
 	"validation",
 
-	"node/messages",
+	"node/network/bridge",
 	"node/overseer",
 	"node/primitives",
 	"node/service",
+	"node/subsystem",
+	"node/test-helpers/subsystem",
 
 	"parachain/test-parachains",
 	"parachain/test-parachains/adder",

node/network/bridge/Cargo.toml

@@ -0,0 +1,21 @@
+[package]
+name = "polkadot-network-bridge"
+version = "0.1.0"
+authors = ["Parity Technologies <[email protected]>"]
+edition = "2018"
+
+[dependencies]
+futures = "0.3.5"
+log = "0.4.8"
+futures-timer = "3.0.2"
+streamunordered = "0.5.1"
+polkadot-primitives = { path = "../../../primitives" }
+node-primitives = { package = "polkadot-node-primitives", path = "../../primitives" }
+parity-scale-codec = "1.3.0"
+sc-network = { git = "https://github.com/paritytech/substrate", branch = "master" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "master" }
+polkadot-subsystem = { package = "polkadot-node-subsystem", path = "../../subsystem" }
+
+[dev-dependencies]
+parking_lot = "0.10.0"
+subsystem-test = { package = "polkadot-subsystem-test-helpers", path = "../../test-helpers/subsystem" }