impl availability distribution

Cargo.toml

@@ -57,6 +57,7 @@ members = [
 	"node/network/pov-distribution",
 	"node/network/statement-distribution",
 	"node/network/bitfield-distribution",
+	"node/network/availability-distribution",
 	"node/overseer",
 	"node/primitives",
 	"node/service",

node/network/availability-distribution/Cargo.toml

@@ -0,0 +1,34 @@
+[package]
+name = "polkadot-availability-distribution"
+version = "0.1.0"
+authors = ["Parity Technologies <admin@parity.io>"]
+edition = "2018"
+
+[dependencies]
+futures = "0.3.5"
+log = "0.4.11"
+streamunordered = "0.5.1"
+codec = { package="parity-scale-codec", version = "1.3.4", features = ["std"]  }
+node-primitives = { package = "polkadot-node-primitives", path = "../../primitives" }
+polkadot-primitives = { path = "../../../primitives" }
+polkadot-erasure-coding = { path = "../../../erasure-coding" }
+polkadot-subsystem = { package = "polkadot-node-subsystem", path = "../../subsystem" }
+polkadot-network-bridge = { path = "../../network/bridge" }
+polkadot-network = { path = "../../../network" }
+sc-network = { git = "https://github.com/paritytech/substrate", branch = "master" }
+sc-keystore = { git = "https://github.com/paritytech/substrate", branch = "master" }
+derive_more = "0.99.9"
+sp-staking = { git = "https://github.com/paritytech/substrate", branch = "master", features = ["std"]  }
+sp-core = { git = "https://github.com/paritytech/substrate", branch = "master", features = ["std"]  }
+
+[dev-dependencies]
+polkadot-subsystem-testhelpers = { package = "polkadot-node-subsystem-test-helpers", path = "../../subsystem-test-helpers" }
+bitvec = { version = "0.17.4", default-features = false, features = ["alloc"] }
+sp-core = { git = "https://github.com/paritytech/substrate", branch = "master", features = ["std"] }
+sp-keyring = { git = "https://github.com/paritytech/substrate", branch = "master" }
+parking_lot = "0.11.0"
+futures-timer = "3.0.2"
+smol-timeout = "0.1.0"
+env_logger = "0.7.1"
+assert_matches = "1.3.0"
+smallvec = "1"