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PhragMMS election. (#6685)

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* Revamp npos-elections and implement phragmms

* Update primitives/npos-elections/src/phragmms.rs

* Fix build

* Some review grumbles

* Add some stuff for remote testing

* fix some of the grumbles.

* Add remote testing stuff.

* Cleanup

* fix docs

* Update primitives/arithmetic/src/rational.rs

Co-authored-by: Dan Forbes <dan@danforbes.dev>

* Small config change

* Better handling of approval_stake == 0

* Final touhces.

* Clean fuzzer a bit

* Clean fuzzer a bit

* Update primitives/npos-elections/src/balancing.rs

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>

* Fix fuzzer.

* Better api for normalize

* Add noramlize_up

* A large number of small fixes.

* make it merge ready

* Fix warns

* bump

* Fix fuzzers a bit.

* Fix warns as well.

* Fix more tests.

Co-authored-by: Dan Forbes <dan@danforbes.dev>
Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>
This commit is contained in:
Kian Paimani
2020-09-23 10:16:10 +02:00
committed by GitHub
parent ecdc94420e
commit 313f86ec23
32 changed files with 2074 additions and 914 deletions
Download Patch File Download Diff File Expand all files Collapse all files
substrate/frame/staking/src/testing_utils.rs
+7 -3
View File
@@ -237,8 +237,10 @@ pub fn get_weak_solution<T: Trait>(
stake_of
);
let (support_map, _) =
build_support_map::<T::AccountId>(winners.as_slice(), staked.as_slice());
let support_map = build_support_map::<T::AccountId>(
winners.as_slice(),
staked.as_slice(),
).unwrap();
evaluate_support::<T::AccountId>(&support_map)
};
@@ -276,10 +278,12 @@ pub fn get_weak_solution<T: Trait>(
pub fn get_seq_phragmen_solution<T: Trait>(
do_reduce: bool,
) -> (Vec<ValidatorIndex>, CompactAssignments, ElectionScore, ElectionSize) {
let iters = offchain_election::get_balancing_iters::<T>();
let sp_npos_elections::ElectionResult {
winners,
assignments,
} = <Module<T>>::do_phragmen::<OffchainAccuracy>().unwrap();
} = <Module<T>>::do_phragmen::<OffchainAccuracy>(iters).unwrap();
offchain_election::prepare_submission::<T>(assignments, winners, do_reduce).unwrap()
}