feat: initialize Kurdistan SDK - independent fork of Polkadot SDK
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// This file is part of Substrate.
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// Copyright (C) Parity Technologies (UK) Ltd.
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// SPDX-License-Identifier: Apache-2.0
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//! Utilities for remote-testing pallet-bags-list.
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use frame_election_provider_support::ScoreProvider;
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use pallet_bags_list::Instance1;
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/// A common log target to use.
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pub const LOG_TARGET: &str = "runtime::bags-list::remote-tests";
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pub mod migration;
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pub mod snapshot;
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pub mod try_state;
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/// A wrapper for a runtime that the functions of this crate expect.
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///
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/// For example, this can be the `Runtime` type of the Pezkuwi runtime.
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pub trait RuntimeT<I: 'static>:
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pallet_staking::Config + pallet_bags_list::Config<I> + frame_system::Config
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{
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}
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impl<
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I: 'static,
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T: pallet_staking::Config + pallet_bags_list::Config<I> + frame_system::Config,
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> RuntimeT<I> for T
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{
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}
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fn percent(portion: u32, total: u32) -> f64 {
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(portion as f64 / total as f64) * 100f64
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}
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/// Display the number of nodes in each bag, while identifying those that need a rebag.
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pub fn display_and_check_bags<Runtime: RuntimeT<Instance1>>(
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currency_unit: u64,
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currency_name: &'static str,
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) {
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use frame_election_provider_support::SortedListProvider;
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use frame_support::traits::Get;
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let min_nominator_bond = <pallet_staking::MinNominatorBond<Runtime>>::get();
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log::info!(target: LOG_TARGET, "min nominator bond is {:?}", min_nominator_bond);
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let voter_list_count = <Runtime as pallet_staking::Config>::VoterList::count();
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// go through every bag to track the total number of voters within bags and log some info about
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// how voters are distributed within the bags.
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let mut seen_in_bags = 0;
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let mut rebaggable = 0;
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let mut active_bags = 0;
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for vote_weight_thresh in <Runtime as pallet_bags_list::Config<Instance1>>::BagThresholds::get()
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{
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let vote_weight_thresh_u64: u64 = (*vote_weight_thresh)
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.try_into()
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.map_err(|_| "runtime must configure score to at most u64 to use this test")
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.unwrap();
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// threshold in terms of UNITS (e.g. KSM, HEZ etc)
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let vote_weight_thresh_as_unit = vote_weight_thresh_u64 as f64 / currency_unit as f64;
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let pretty_thresh = format!("Threshold: {}. {}", vote_weight_thresh_as_unit, currency_name);
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let bag = match pallet_bags_list::Pallet::<Runtime, Instance1>::list_bags_get(
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*vote_weight_thresh,
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) {
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Some(bag) => bag,
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None => {
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log::info!(target: LOG_TARGET, "{} NO VOTERS.", pretty_thresh);
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continue;
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},
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};
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active_bags += 1;
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for id in bag.std_iter().map(|node| node.std_id().clone()) {
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let vote_weight =
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<Runtime as pallet_bags_list::Config<Instance1>>::ScoreProvider::score(&id)
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.unwrap();
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let vote_weight_thresh_u64: u64 = (*vote_weight_thresh)
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.try_into()
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.map_err(|_| "runtime must configure score to at most u64 to use this test")
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.unwrap();
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let vote_weight_as_balance: pallet_staking::BalanceOf<Runtime> =
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vote_weight_thresh_u64.try_into().map_err(|_| "can't convert").unwrap();
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if vote_weight_as_balance < min_nominator_bond {
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log::trace!(
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target: LOG_TARGET,
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"⚠️ {} Account found below min bond: {:?}.",
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pretty_thresh,
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id
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);
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}
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let node = pallet_bags_list::Node::<Runtime, Instance1>::get(&id)
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.expect("node in bag must exist.");
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if node.is_misplaced(vote_weight) {
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rebaggable += 1;
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let notional_bag = pallet_bags_list::notional_bag_for::<Runtime, _>(vote_weight);
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let notional_bag_as_u64: u64 = notional_bag
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.try_into()
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.map_err(|_| "runtime must configure score to at most u64 to use this test")
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.unwrap();
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log::trace!(
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target: LOG_TARGET,
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"Account {:?} can be rebagged from {:?} to {:?}",
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id,
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vote_weight_thresh_as_unit,
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notional_bag_as_u64 as f64 / currency_unit as f64
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);
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}
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}
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// update our overall counter
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let voters_in_bag = bag.std_iter().count() as u32;
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seen_in_bags += voters_in_bag;
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// percentage of all nominators
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let percent_of_voters = percent(voters_in_bag, voter_list_count);
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log::info!(
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target: LOG_TARGET,
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"{} Nominators: {} [%{:.3}]",
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pretty_thresh,
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voters_in_bag,
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percent_of_voters,
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);
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}
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if seen_in_bags != voter_list_count {
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log::error!(
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target: LOG_TARGET,
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"bags list population ({}) not on par whoever is voter_list ({})",
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seen_in_bags,
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voter_list_count,
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)
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}
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log::info!(
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target: LOG_TARGET,
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"a total of {} nodes are in {} active bags [{} total bags], {} of which can be rebagged.",
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voter_list_count,
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active_bags,
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<Runtime as pallet_bags_list::Config<Instance1>>::BagThresholds::get().len(),
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rebaggable,
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);
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}
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