mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
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Reorganising the repository - external renames and moves (#4074)
* Adding first rough ouline of the repository structure * Remove old CI stuff * add title * formatting fixes * move node-exits job's script to scripts dir * Move docs into subdir * move to bin * move maintainence scripts, configs and helpers into its own dir * add .local to ignore * move core->client * start up 'test' area * move test client * move test runtime * make test move compile * Add dependencies rule enforcement. * Fix indexing. * Update docs to reflect latest changes * Moving /srml->/paint * update docs * move client/sr-* -> primitives/ * clean old readme * remove old broken code in rhd * update lock * Step 1. * starting to untangle client * Fix after merge. * start splitting out client interfaces * move children and blockchain interfaces * Move trie and state-machine to primitives. * Fix WASM builds. * fixing broken imports * more interface moves * move backend and light to interfaces * move CallExecutor * move cli off client * moving around more interfaces * re-add consensus crates into the mix * fix subkey path * relieve client from executor * starting to pull out client from grandpa * move is_decendent_of out of client * grandpa still depends on client directly * lemme tests pass * rename srml->paint * Make it compile. * rename interfaces->client-api * Move keyring to primitives. * fixup libp2p dep * fix broken use * allow dependency enforcement to fail * move fork-tree * Moving wasm-builder * make env * move build-script-utils * fixup broken crate depdencies and names * fix imports for authority discovery * fix typo * update cargo.lock * fixing imports * Fix paths and add missing crates * re-add missing crates
This commit is contained in:
Benjamin Kampmann
committed by
Bastian Köcher
Bastian Köcher
parent
becc3b0a4f
commit
60e5011c72
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// Copyright 2019 Parity Technologies
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//
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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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//! Benchmarks of the phragmen election algorithm.
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//! Note that execution times will not be accurate in an absolute scale, since
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//! - Everything is executed in the context of `TestExternalities`
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//! - Everything is executed in native environment.
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#![cfg(feature = "bench")]
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#![feature(test)]
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extern crate test;
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use test::Bencher;
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use rand::{self, Rng};
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extern crate substrate_phragmen as phragmen;
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use phragmen::{Support, SupportMap, PhragmenStakedAssignment};
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use std::collections::BTreeMap;
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use sr_primitives::traits::{Convert, SaturatedConversion};
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const VALIDATORS: u64 = 1000;
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const NOMINATORS: u64 = 10_000;
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const EDGES: u64 = 2;
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const TO_ELECT: usize = 100;
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const STAKE: Balance = 1000;
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type Balance = u128;
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type AccountId = u64;
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pub struct TestCurrencyToVote;
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impl Convert<Balance, u64> for TestCurrencyToVote {
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fn convert(x: Balance) -> u64 { x.saturated_into() }
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}
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impl Convert<u128, Balance> for TestCurrencyToVote {
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fn convert(x: u128) -> Balance { x.saturated_into() }
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}
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fn do_phragmen(
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b: &mut Bencher,
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num_vals: u64,
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num_noms: u64,
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count: usize,
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votes_per: u64,
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eq_iters: usize,
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_eq_tolerance: u128,
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) {
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assert!(num_vals > votes_per);
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let rr = |a, b| rand::thread_rng().gen_range(a as usize, b as usize) as Balance;
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// prefix to distinguish the validator and nominator account ranges.
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let np = 10_000;
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let mut candidates = Vec::with_capacity(num_vals as usize);
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let mut slashable_balance_of: BTreeMap<AccountId, Balance> = BTreeMap::new();
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(1 ..= num_vals)
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.for_each(|acc| {
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candidates.push(acc);
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slashable_balance_of.insert(acc, STAKE + rr(10, 50));
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});
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let mut voters = Vec::with_capacity(num_noms as usize);
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(np ..= (np + num_noms))
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.for_each(|acc| {
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let mut stashes_to_vote = candidates.clone();
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let votes = (0 .. votes_per)
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.map(|_| {
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stashes_to_vote.remove(rr(0, stashes_to_vote.len()) as usize)
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})
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.collect::<Vec<AccountId>>();
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voters.push((acc, votes));
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slashable_balance_of.insert(acc, STAKE + rr(10, 50));
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});
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let slashable_balance = |who: &AccountId| -> Balance {
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*slashable_balance_of.get(who).unwrap()
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};
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b.iter(|| {
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let r = phragmen::elect::<AccountId, Balance, _, TestCurrencyToVote>(
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count,
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1_usize,
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candidates.clone(),
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voters.clone(),
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slashable_balance,
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true,
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).unwrap();
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// Do the benchmarking with equalize.
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if eq_iters > 0 {
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let elected_stashes = r.winners;
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let assignments = r.assignments;
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let to_votes = |b: Balance|
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<TestCurrencyToVote as Convert<Balance, u128>>::convert(b) as u128;
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// Initialize the support of each candidate.
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let mut supports = <SupportMap<u64>>::new();
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elected_stashes
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.iter()
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.map(|(e, _)| (e, to_votes(slashable_balance(e))))
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.for_each(|(e, s)| {
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let item = Support { own: s, total: s, ..Default::default() };
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supports.insert(e.clone(), item);
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});
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// build support struct.
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for (n, assignment) in assignments.iter() {
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for (c, per_thing) in assignment.iter() {
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let nominator_stake = to_votes(slashable_balance(n));
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let other_stake = *per_thing * nominator_stake;
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if let Some(support) = supports.get_mut(c) {
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support.total = support.total.saturating_add(other_stake);
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support.others.push((n.clone(), other_stake));
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}
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}
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}
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let mut staked_assignments
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: Vec<(AccountId, Vec<PhragmenStakedAssignment<AccountId>>)>
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= Vec::with_capacity(assignments.len());
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for (n, assignment) in assignments.iter() {
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let mut staked_assignment
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: Vec<PhragmenStakedAssignment<AccountId>>
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= Vec::with_capacity(assignment.len());
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for (c, per_thing) in assignment.iter() {
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let nominator_stake = to_votes(slashable_balance(n));
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let other_stake = *per_thing * nominator_stake;
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staked_assignment.push((c.clone(), other_stake));
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}
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staked_assignments.push((n.clone(), staked_assignment));
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}
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let tolerance = 0_u128;
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let iterations = 2_usize;
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phragmen::equalize::<_, _, TestCurrencyToVote, _>(
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staked_assignments,
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&mut supports,
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tolerance,
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iterations,
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slashable_balance,
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);
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}
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})
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}
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macro_rules! phragmen_benches {
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($($name:ident: $tup:expr,)*) => {
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$(
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#[bench]
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fn $name(b: &mut Bencher) {
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let (v, n, t, e, eq_iter, eq_tol) = $tup;
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println!("----------------------");
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println!(
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"++ Benchmark: {} Validators // {} Nominators // {} Edges-per-nominator // {} \
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total edges // electing {} // Equalize: {} iterations -- {} tolerance",
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v, n, e, e * n, t, eq_iter, eq_tol,
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);
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do_phragmen(b, v, n, t, e, eq_iter, eq_tol);
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}
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)*
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}
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}
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phragmen_benches! {
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bench_1_1: (VALIDATORS, NOMINATORS, TO_ELECT, EDGES, 0, 0),
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bench_1_2: (VALIDATORS*2, NOMINATORS, TO_ELECT, EDGES, 0, 0),
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bench_1_3: (VALIDATORS*4, NOMINATORS, TO_ELECT, EDGES, 0, 0),
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bench_1_4: (VALIDATORS*8, NOMINATORS, TO_ELECT, EDGES, 0, 0),
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bench_1_1_eq: (VALIDATORS, NOMINATORS, TO_ELECT, EDGES, 2, 0),
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bench_1_2_eq: (VALIDATORS*2, NOMINATORS, TO_ELECT, EDGES, 2, 0),
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bench_1_3_eq: (VALIDATORS*4, NOMINATORS, TO_ELECT, EDGES, 2, 0),
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bench_1_4_eq: (VALIDATORS*8, NOMINATORS, TO_ELECT, EDGES, 2, 0),
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bench_0_1: (VALIDATORS, NOMINATORS, TO_ELECT, EDGES, 0, 0),
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bench_0_2: (VALIDATORS, NOMINATORS, TO_ELECT * 4, EDGES, 0, 0),
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bench_0_3: (VALIDATORS, NOMINATORS, TO_ELECT * 8, EDGES, 0, 0),
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bench_0_4: (VALIDATORS, NOMINATORS, TO_ELECT * 16, EDGES , 0, 0),
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bench_0_1_eq: (VALIDATORS, NOMINATORS, TO_ELECT, EDGES, 2, 0),
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bench_0_2_eq: (VALIDATORS, NOMINATORS, TO_ELECT * 4, EDGES, 2, 0),
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bench_0_3_eq: (VALIDATORS, NOMINATORS, TO_ELECT * 8, EDGES, 2, 0),
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bench_0_4_eq: (VALIDATORS, NOMINATORS, TO_ELECT * 16, EDGES , 2, 0),
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bench_2_1: (VALIDATORS, NOMINATORS, TO_ELECT, EDGES, 0, 0),
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bench_2_2: (VALIDATORS, NOMINATORS*2, TO_ELECT, EDGES, 0, 0),
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bench_2_3: (VALIDATORS, NOMINATORS*4, TO_ELECT, EDGES, 0, 0),
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bench_2_4: (VALIDATORS, NOMINATORS*8, TO_ELECT, EDGES, 0, 0),
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bench_2_1_eq: (VALIDATORS, NOMINATORS, TO_ELECT, EDGES, 2, 0),
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bench_2_2_eq: (VALIDATORS, NOMINATORS*2, TO_ELECT, EDGES, 2, 0),
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bench_2_3_eq: (VALIDATORS, NOMINATORS*4, TO_ELECT, EDGES, 2, 0),
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bench_2_4_eq: (VALIDATORS, NOMINATORS*8, TO_ELECT, EDGES, 2, 0),
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bench_3_1: (VALIDATORS, NOMINATORS, TO_ELECT, EDGES, 0, 0 ),
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bench_3_2: (VALIDATORS, NOMINATORS, TO_ELECT, EDGES*2, 0, 0),
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bench_3_3: (VALIDATORS, NOMINATORS, TO_ELECT, EDGES*4, 0, 0),
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bench_3_4: (VALIDATORS, NOMINATORS, TO_ELECT, EDGES*8, 0, 0),
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bench_3_1_eq: (VALIDATORS, NOMINATORS, TO_ELECT, EDGES, 2, 0),
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bench_3_2_eq: (VALIDATORS, NOMINATORS, TO_ELECT, EDGES*2, 2, 0),
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bench_3_3_eq: (VALIDATORS, NOMINATORS, TO_ELECT, EDGES*4, 2, 0),
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bench_3_4_eq: (VALIDATORS, NOMINATORS, TO_ELECT, EDGES*8, 2, 0),
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}
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