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Revert "Abstracts elections-phragmen pallet to use NposSolver (#12588)" (#13451)

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This reverts commit b793666ca5.
This commit is contained in:
Gonçalo Pestana
2023-02-23 18:15:08 +00:00
committed by GitHub
parent 4af011f418
commit c848d40775
28 changed files with 1018 additions and 1197 deletions
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substrate/frame/election-provider-support/src/lib.rs
-26
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@@ -199,9 +199,6 @@ pub use sp_arithmetic;
#[doc(hidden)]
pub use sp_std;
#[cfg(feature = "runtime-benchmarks")]
pub mod benchmarking;
pub mod weights;
pub use weights::WeightInfo;
@@ -663,29 +660,6 @@ impl<AccountId: IdentifierT, Accuracy: PerThing128, Balancing: Get<Option<Balanc
}
}
/// A wrapper for [`sp_npos_elections::approval_voting()`] that implements [`NposSolver`]. See the
/// documentation of [`sp_npos_elections::approval_voting()`] for more info.
pub struct ApprovalVoting<AccountId, Accuracy>(sp_std::marker::PhantomData<(AccountId, Accuracy)>);
impl<AccountId: IdentifierT, Accuracy: PerThing128> NposSolver
for ApprovalVoting<AccountId, Accuracy>
{
type AccountId = AccountId;
type Accuracy = Accuracy;
type Error = sp_npos_elections::Error;
fn solve(
winners: usize,
targets: Vec<Self::AccountId>,
voters: Vec<(Self::AccountId, VoteWeight, impl IntoIterator<Item = Self::AccountId>)>,
) -> Result<ElectionResult<Self::AccountId, Self::Accuracy>, Self::Error> {
sp_npos_elections::approval_voting(winners, targets, voters)
}
fn weight<T: WeightInfo>(voters: u32, targets: u32, vote_degree: u32) -> Weight {
T::approval_voting(voters, targets, vote_degree)
}
}
/// A voter, at the level of abstraction of this crate.
pub type Voter<AccountId, Bound> = (AccountId, VoteWeight, BoundedVec<AccountId, Bound>);