feat: initialize Kurdistan SDK - independent fork of Polkadot SDK

pezkuwi/runtime/common/src/elections.rs

@@ -0,0 +1,63 @@
+// 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/>.
+
+//! Code for elections.
+
+/// Implements the weight types for the elections module and a specific
+/// runtime.
+/// This macro should not be called directly; use
+/// [`impl_runtime_weights`](crate::impl_runtime_weights!) instead.
+#[macro_export]
+macro_rules! impl_elections_weights {
+	($runtime:ident) => {
+		parameter_types! {
+			/// A limit for off-chain phragmen unsigned solution submission.
+			///
+			/// We want to keep it as high as possible, but can't risk having it reject,
+			/// so we always subtract the base block execution weight.
+			pub OffchainSolutionWeightLimit: Weight = BlockWeights::get()
+				.get(DispatchClass::Normal)
+				.max_extrinsic
+				.expect("Normal extrinsics have weight limit configured by default; qed")
+				.saturating_sub($runtime::weights::BlockExecutionWeight::get());
+
+			/// A limit for off-chain phragmen unsigned solution length.
+			///
+			/// We allow up to 90% of the block's size to be consumed by the solution.
+			pub OffchainSolutionLengthLimit: u32 = Perbill::from_rational(90_u32, 100) *
+				*BlockLength::get()
+				.max
+				.get(DispatchClass::Normal);
+		}
+	};
+}
+
+/// The numbers configured here could always be more than the the maximum limits of staking pallet
+/// to ensure election snapshot will not run out of memory. For now, we set them to smaller values
+/// since the staking is bounded and the weight pipeline takes hours for this single pallet.
+pub struct BenchmarkConfig;
+impl pallet_election_provider_multi_phase::BenchmarkingConfig for BenchmarkConfig {
+	const VOTERS: [u32; 2] = [1000, 2000];
+	const TARGETS: [u32; 2] = [500, 1000];
+	const ACTIVE_VOTERS: [u32; 2] = [500, 800];
+	const DESIRED_TARGETS: [u32; 2] = [200, 400];
+	const SNAPSHOT_MAXIMUM_VOTERS: u32 = 1000;
+	const MINER_MAXIMUM_VOTERS: u32 = 1000;
+	const MAXIMUM_TARGETS: u32 = 300;
+}
+
+/// The accuracy type used for genesis election provider;
+pub type OnChainAccuracy = sp_runtime::Perbill;