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Rename all the election operations (#6245)

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* Rename and move sp-phragmen

* More renames for equalise

* Update main module doc

* Fix line width

* Line width
This commit is contained in:
Kian Paimani
2020-06-05 17:33:13 +02:00
committed by GitHub
parent d63b8e0da0
commit 8a8b4f99c3
35 changed files with 296 additions and 322 deletions
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substrate/frame/elections-phragmen/src/lib.rs
+7 -11
View File
@@ -15,7 +15,7 @@
// See the License for the specific language governing permissions and
// limitations under the License.
//! # Phragmen Election Module.
//! # Phragmén Election Module.
//!
//! An election module based on sequential phragmen.
//!
@@ -100,7 +100,7 @@ use frame_support::{
ContainsLengthBound,
}
};
use sp_phragmen::{build_support_map, ExtendedBalance, VoteWeight, PhragmenResult};
use sp_npos_elections::{build_support_map, ExtendedBalance, VoteWeight, ElectionResult};
use frame_system::{self as system, ensure_signed, ensure_root};
mod benchmarking;
@@ -245,7 +245,6 @@ decl_storage! {
}
decl_error! {
/// Error for the elections-phragmen module.
pub enum Error for Module<T: Trait> {
/// Cannot vote when no candidates or members exist.
UnableToVote,
@@ -610,7 +609,7 @@ decl_module! {
/// the outgoing member is slashed.
///
/// If a runner-up is available, then the best runner-up will be removed and replaces the
/// outgoing member. Otherwise, a new phragmen round is started.
/// outgoing member. Otherwise, a new phragmen election is started.
///
/// Note that this does not affect the designated block number of the next election.
///
@@ -840,13 +839,10 @@ impl<T: Trait> Module<T> {
/// Run the phragmen election with all required side processes and state updates.
///
/// Calls the appropriate `ChangeMembers` function variant internally.
/// Calls the appropriate [`ChangeMembers`] function variant internally.
///
/// # <weight>
/// #### State
/// Reads: O(C + V*E) where C = candidates, V voters and E votes per voter exits.
/// Writes: O(M + R) with M desired members and R runners_up.
/// # </weight>
fn do_phragmen() {
let desired_seats = Self::desired_members() as usize;
let desired_runners_up = Self::desired_runners_up() as usize;
@@ -876,14 +872,14 @@ impl<T: Trait> Module<T> {
let voters_and_votes = Voting::<T>::iter()
.map(|(voter, (stake, targets))| { (voter, to_votes(stake), targets) })
.collect::<Vec<_>>();
let maybe_phragmen_result = sp_phragmen::elect::<T::AccountId, Perbill>(
let maybe_phragmen_result = sp_npos_elections::seq_phragmen::<T::AccountId, Perbill>(
num_to_elect,
0,
candidates,
voters_and_votes.clone(),
);
if let Some(PhragmenResult { winners, assignments }) = maybe_phragmen_result {
if let Some(ElectionResult { winners, assignments }) = maybe_phragmen_result {
let old_members_ids = <Members<T>>::take().into_iter()
.map(|(m, _)| m)
.collect::<Vec<T::AccountId>>();
@@ -907,7 +903,7 @@ impl<T: Trait> Module<T> {
// exposed candidates, cleaning any previous members, and so on. For now, in favour of
// readability and veracity, we keep it simple.
let staked_assignments = sp_phragmen::assignment_ratio_to_staked(
let staked_assignments = sp_npos_elections::assignment_ratio_to_staked(
assignments,
stake_of,
);