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Use proper bounded vector type for nominations (#10601)

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* Use proper bounded vector type for nominations

* add docs and tweak chill_other for cleanup purposes

* Fix the build

* remove TODO

* add a bit more doc

* even more docs
gushc

* Update frame/staking/src/pallet/mod.rs

Co-authored-by: Zeke Mostov <z.mostov@gmail.com>

* Update frame/staking/src/pallet/mod.rs

Co-authored-by: Zeke Mostov <z.mostov@gmail.com>

* Fix the nasty bug

* also bound the Snapshot type

* fix doc test

* document bounded_vec

* self-review

* remove unused

* Fix build

* frame-support: repetition overload for bounded_vec

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* fix

* remove the need to allocate into unbounded voters etc etc

* Don't expect

* unbreal the build again

* handle macro a bit better

Co-authored-by: Zeke Mostov <z.mostov@gmail.com>
Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
This commit is contained in:
Kian Paimani
2022-01-25 15:44:10 +01:00
committed by GitHub
parent d94b5e32c5
commit 38d94d6323
34 changed files with 419 additions and 252 deletions
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substrate/frame/election-provider-support/src/onchain.rs
+12 -9
View File
@@ -87,9 +87,8 @@ impl<T: Config> ElectionProvider for OnChainSequentialPhragmen<T> {
let stake_of =
|w: &T::AccountId| -> VoteWeight { stake_map.get(w).cloned().unwrap_or_default() };
let ElectionResult { winners: _, assignments } =
seq_phragmen::<_, T::Accuracy>(desired_targets as usize, targets, voters, None)
.map_err(Error::from)?;
let ElectionResult::<_, T::Accuracy> { winners: _, assignments } =
seq_phragmen(desired_targets as usize, targets, voters, None).map_err(Error::from)?;
let staked = assignment_ratio_to_staked_normalized(assignments, &stake_of)?;
@@ -161,18 +160,22 @@ mod tests {
type OnChainPhragmen = OnChainSequentialPhragmen<Runtime>;
mod mock_data_provider {
use frame_support::{bounded_vec, traits::ConstU32};
use super::*;
use crate::data_provider;
use crate::{data_provider, VoterOf};
pub struct DataProvider;
impl ElectionDataProvider for DataProvider {
type AccountId = AccountId;
type BlockNumber = BlockNumber;
const MAXIMUM_VOTES_PER_VOTER: u32 = 2;
fn voters(
_: Option<usize>,
) -> data_provider::Result<Vec<(AccountId, VoteWeight, Vec<AccountId>)>> {
Ok(vec![(1, 10, vec![10, 20]), (2, 20, vec![30, 20]), (3, 30, vec![10, 30])])
type MaxVotesPerVoter = ConstU32<2>;
fn voters(_: Option<usize>) -> data_provider::Result<Vec<VoterOf<Self>>> {
Ok(vec![
(1, 10, bounded_vec![10, 20]),
(2, 20, bounded_vec![30, 20]),
(3, 30, bounded_vec![10, 30]),
])
}
fn targets(_: Option<usize>) -> data_provider::Result<Vec<AccountId>> {