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Move phragmen benchmarks out of Staking (#3588)

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* Move phragmen benches to.. phragmen.

* Move some basic phragmen tests to.. phragmen.

* Line-width

* Add phragmen equ implementation as flot

* Add phragmen equ implementation as flot

* Add mock and test file.
This commit is contained in:
Kian Paimani
2019-09-13 08:41:33 +02:00
committed by GitHub
parent 7b87cd206b
commit a6b5d1d155
10 changed files with 661 additions and 374 deletions
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substrate/srml/staking/src/tests.rs
+1 -53
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@@ -1307,7 +1307,7 @@ fn phragmen_poc_works() {
// 40 has load 0 and supported
// 40 with stake 0
// Sequential Phragmén with post processing gives
// Sequential Phragmén with post processing gives
// 10 is elected with stake 1500.0 and score 0.0005
// 20 is elected with stake 1500.0 and score 0.00075
//
@@ -1410,58 +1410,6 @@ fn phragmen_poc_works() {
});
}
#[test]
fn phragmen_poc_2_works() {
// tests the encapsulated phragmen::elect function.
// Votes [
// ('10', 1000, ['10']),
// ('20', 1000, ['20']),
// ('30', 1000, ['30']),
// ('2', 50, ['10', '20']),
// ('4', 1000, ['10', '30'])
// ]
// Sequential Phragmén gives
// 10 is elected with stake 1705.7377049180327 and score 0.0004878048780487805
// 30 is elected with stake 1344.2622950819673 and score 0.0007439024390243903
with_externalities(&mut ExtBuilder::default().nominate(false).build(), || {
// initial setup of 10 and 20, both validators
assert_eq_uvec!(validator_controllers(), vec![20, 10]);
// Bond [30, 31] as the third validator
assert_ok!(Staking::bond_extra(Origin::signed(31), 999));
assert_ok!(Staking::validate(Origin::signed(30), ValidatorPrefs::default()));
// bond [2,1](A), [4,3](B), as 2 nominators
for i in &[1, 3] { let _ = Balances::deposit_creating(i, 2000); }
assert_ok!(Staking::bond(Origin::signed(1), 2, 50, RewardDestination::default()));
assert_ok!(Staking::nominate(Origin::signed(2), vec![11, 21]));
assert_ok!(Staking::bond(Origin::signed(3), 4, 1000, RewardDestination::default()));
assert_ok!(Staking::nominate(Origin::signed(4), vec![11, 31]));
let results = phragmen::elect::<_, _, _, <Test as Trait>::CurrencyToVote>(
2,
Staking::minimum_validator_count() as usize,
<Validators<Test>>::enumerate().map(|(who, _)| who).collect::<Vec<u64>>(),
<Nominators<Test>>::enumerate().collect(),
Staking::slashable_balance_of,
true,
);
let phragmen::PhragmenResult { winners, assignments } = results.unwrap();
// 10 and 30 must be the winners
assert_eq!(winners, vec![11, 31]);
assert_eq!(assignments, vec![
(3, vec![(11, 2816371998), (31, 1478595298)]),
(1, vec![(11, 4294967296)]),
]);
check_exposure_all();
check_nominator_all();
})
}
#[test]
fn switching_roles() {
// Test that it should be possible to switch between roles (nominator, validator, idle) with minimal overhead.