feat: initialize Kurdistan SDK - independent fork of Polkadot SDK

pezkuwi/erasure-coding/fuzzer/src/reconstruct.rs

@@ -0,0 +1,32 @@
+// 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 honggfuzz::fuzz;
+use pezkuwi_erasure_coding::*;
+use pezkuwi_node_primitives::AvailableData;
+
+fn main() {
+	loop {
+		fuzz!(|data: (usize, Vec<(Vec<u8>, usize)>)| {
+			let (num_validators, chunk_input) = data;
+			let reconstructed: Result<AvailableData, _> = reconstruct_v1(
+				num_validators,
+				chunk_input.iter().map(|t| (&*t.0, t.1)).collect::<Vec<(&[u8], usize)>>(),
+			);
+			println!("reconstructed {:?}", reconstructed);
+		});
+	}
+}

pezkuwi/erasure-coding/fuzzer/src/round_trip.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 honggfuzz::fuzz;
+use pezkuwi_erasure_coding::*;
+use pezkuwi_node_primitives::{AvailableData, BlockData, PoV};
+use pezkuwi_primitives::PersistedValidationData;
+use std::sync::Arc;
+
+fn main() {
+	loop {
+		fuzz!(|data: &[u8]| {
+			let pov_block = PoV { block_data: BlockData(data.iter().cloned().collect()) };
+
+			let available_data = AvailableData {
+				pov: Arc::new(pov_block),
+				validation_data: PersistedValidationData::default(),
+			};
+			let chunks = obtain_chunks_v1(10, &available_data).unwrap();
+
+			assert_eq!(chunks.len(), 10);
+
+			// any 4 chunks should work.
+			let reconstructed: AvailableData = reconstruct_v1(
+				10,
+				[(&*chunks[1], 1), (&*chunks[4], 4), (&*chunks[6], 6), (&*chunks[9], 9)]
+					.iter()
+					.cloned(),
+			)
+			.unwrap();
+
+			assert_eq!(reconstructed, available_data);
+			println!("{:?}", reconstructed);
+		});
+	}
+}