feat: initialize Kurdistan SDK - independent fork of Polkadot SDK

pezkuwi/node/malus/src/shared.rs

@@ -0,0 +1,49 @@
+// Copyright (C) Parity Technologies (UK) Ltd.
+// This file is part of Pezkuwi.
+
+// Pezkuwi is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Pezkuwi is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Pezkuwi.  If not, see <http://www.gnu.org/licenses/>.
+
+use futures::prelude::*;
+use sp_core::traits::SpawnNamed;
+
+pub const MALUS: &str = "MALUS";
+
+#[allow(unused)]
+pub(crate) const MALICIOUS_POV: &[u8] = "😈😈pov_looks_valid_to_me😈😈".as_bytes();
+
+/// Launch a service task for each item in the provided queue.
+#[allow(unused)]
+pub(crate) fn launch_processing_task<X, F, U, Q, S>(spawner: &S, queue: Q, action: F)
+where
+	F: Fn(X) -> U + Send + 'static,
+	U: Future<Output = ()> + Send + 'static,
+	Q: Stream<Item = X> + Send + 'static,
+	X: Send,
+	S: 'static + SpawnNamed + Clone + Unpin,
+{
+	let spawner2: S = spawner.clone();
+	spawner.spawn(
+		"nemesis-queue-processor",
+		Some("malus"),
+		Box::pin(async move {
+			let spawner3 = spawner2.clone();
+			queue
+				.for_each(move |input| {
+					spawner3.spawn("nemesis-task", Some("malus"), Box::pin(action(input)));
+					async move { () }
+				})
+				.await;
+		}),
+	);
+}