Struct frame_election_provider_support::SequentialPhragmen

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pub struct SequentialPhragmen<AccountId, Accuracy, Balancing = ()>(_);

Expand description

A wrapper for sp_npos_elections::seq_phragmen that implements NposSolver. See the documentation of sp_npos_elections::seq_phragmen for more info.

Trait Implementations§

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impl<AccountId: IdentifierT, Accuracy: PerThing128, Balancing: Get<Option<BalancingConfig>>> NposSolver for SequentialPhragmen<AccountId, Accuracy, Balancing>

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type AccountId = AccountId

The account identifier type of this solver.

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type Accuracy = Accuracy

The accuracy of this solver. This will affect the accuracy of the output.

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type Error = Error

The error type of this implementation.

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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>

Solve an NPoS solution with the given voters, targets, and select to_elect count of targets.

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fn weight<T: WeightInfo>(voters: u32, targets: u32, vote_degree: u32) -> Weight

Measure the weight used in the calculation of the solver. Read more

Auto Trait Implementations§

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impl<AccountId, Accuracy, Balancing> RefUnwindSafe for SequentialPhragmen<AccountId, Accuracy, Balancing>where AccountId: RefUnwindSafe, Accuracy: RefUnwindSafe, Balancing: RefUnwindSafe,

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impl<AccountId, Accuracy, Balancing> Send for SequentialPhragmen<AccountId, Accuracy, Balancing>where AccountId: Send, Accuracy: Send, Balancing: Send,

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impl<AccountId, Accuracy, Balancing> Sync for SequentialPhragmen<AccountId, Accuracy, Balancing>where AccountId: Sync, Accuracy: Sync, Balancing: Sync,

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impl<AccountId, Accuracy, Balancing> Unpin for SequentialPhragmen<AccountId, Accuracy, Balancing>where AccountId: Unpin, Accuracy: Unpin, Balancing: Unpin,

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impl<AccountId, Accuracy, Balancing> UnwindSafe for SequentialPhragmen<AccountId, Accuracy, Balancing>where AccountId: UnwindSafe, Accuracy: UnwindSafe, Balancing: UnwindSafe,

Blanket Implementations§

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impl<T> Any for Twhere T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for Twhere T: ?Sized,

const: unstable · source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for Twhere T: ?Sized,

const: unstable · source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> CheckedConversion for T

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fn checked_from<T>(t: T) -> Option<Self>where Self: TryFrom<T>,

Convert from a value of T into an equivalent instance of Option<Self>. Read more

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fn checked_into<T>(self) -> Option<T>where Self: TryInto<T>,

Consume self to return Some equivalent value of Option<T>. Read more

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impl<T> From<T> for T

const: unstable · source§

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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impl<T, U> Into for Twhere U: From<T>,

const: unstable · source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IsType<T> for T

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fn from_ref(t: &T) -> &T

Cast reference.

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fn into_ref(&self) -> &T

Cast reference.

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fn from_mut(t: &mut T) -> &mut T

Cast mutable reference.

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fn into_mut(&mut self) -> &mut T

Cast mutable reference.

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impl<T, Outer> IsWrappedBy<Outer> for Twhere Outer: AsRef<T> + AsMut<T> + From<T>, T: From<Outer>,

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fn from_ref(outer: &Outer) -> &T

Get a reference to the inner from the outer.

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fn from_mut(outer: &mut Outer) -> &mut T

Get a mutable reference to the inner from the outer.

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impl<T> Pointable for T

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const ALIGN: usize = mem::align_of::<T>()

The alignment of pointer.

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type Init = T

The type for initializers.

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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

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impl<T> Same<T> for T

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type Output = T

Should always be Self

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impl<T> SaturatedConversion for T

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fn saturated_from<T>(t: T) -> Selfwhere Self: UniqueSaturatedFrom<T>,

Convert from a value of T into an equivalent instance of Self. Read more

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fn saturated_into<T>(self) -> Twhere Self: UniqueSaturatedInto<T>,

Consume self to return an equivalent value of T. Read more

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impl<T, U> TryFrom for Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source§

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for Twhere U: TryFrom<T>,

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type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source§

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

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impl<S, T> UncheckedInto<T> for Swhere T: UncheckedFrom<S>,

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fn unchecked_into(self) -> T

The counterpart to unchecked_from.

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impl<T, S> UniqueSaturatedInto<T> for Swhere T: Bounded, S: TryInto<T>,

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fn unique_saturated_into(self) -> T

Consume self to return an equivalent value of T.

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

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impl<T> JsonSchemaMaybe for T

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Struct frame_election_provider_support::SequentialPhragmen

Trait Implementations§

impl<AccountId: IdentifierT, Accuracy: PerThing128, Balancing: Get<Option<BalancingConfig>>> NposSolver for SequentialPhragmen<AccountId, Accuracy, Balancing>

type AccountId = AccountId

type Accuracy = Accuracy

type Error = 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>

fn weight<T: WeightInfo>(voters: u32, targets: u32, vote_degree: u32) -> Weight

Auto Trait Implementations§

impl<AccountId, Accuracy, Balancing> RefUnwindSafe for SequentialPhragmen<AccountId, Accuracy, Balancing>where AccountId: RefUnwindSafe, Accuracy: RefUnwindSafe, Balancing: RefUnwindSafe,

impl<AccountId, Accuracy, Balancing> Send for SequentialPhragmen<AccountId, Accuracy, Balancing>where AccountId: Send, Accuracy: Send, Balancing: Send,

impl<AccountId, Accuracy, Balancing> Sync for SequentialPhragmen<AccountId, Accuracy, Balancing>where AccountId: Sync, Accuracy: Sync, Balancing: Sync,

impl<AccountId, Accuracy, Balancing> Unpin for SequentialPhragmen<AccountId, Accuracy, Balancing>where AccountId: Unpin, Accuracy: Unpin, Balancing: Unpin,

impl<AccountId, Accuracy, Balancing> UnwindSafe for SequentialPhragmen<AccountId, Accuracy, Balancing>where AccountId: UnwindSafe, Accuracy: UnwindSafe, Balancing: UnwindSafe,

Blanket Implementations§

impl<T> Any for Twhere T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for Twhere T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> CheckedConversion for T

fn checked_from<T>(t: T) -> Option<Self>where Self: TryFrom<T>,

fn checked_into<T>(self) -> Option<T>where Self: TryInto<T>,

impl<T> From<T> for T

fn from(t: T) -> T

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

fn in_current_span(self) -> Instrumented<Self>

impl<T, U> Into<U> for Twhere U: From<T>,

fn into(self) -> U

impl<T> IsType<T> for T

fn from_ref(t: &T) -> &T

fn into_ref(&self) -> &T

fn from_mut(t: &mut T) -> &mut T

fn into_mut(&mut self) -> &mut T

impl<T, Outer> IsWrappedBy<Outer> for Twhere Outer: AsRef<T> + AsMut<T> + From<T>, T: From<Outer>,

fn from_ref(outer: &Outer) -> &T

fn from_mut(outer: &mut Outer) -> &mut T

impl<T> Pointable for T

const ALIGN: usize = mem::align_of::<T>()

type Init = T

unsafe fn init(init: <T as Pointable>::Init) -> usize

unsafe fn deref<'a>(ptr: usize) -> &'a T

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

unsafe fn drop(ptr: usize)

impl<T> Same<T> for T

type Output = T

impl<T> SaturatedConversion for T

fn saturated_from<T>(t: T) -> Selfwhere Self: UniqueSaturatedFrom<T>,

fn saturated_into<T>(self) -> Twhere Self: UniqueSaturatedInto<T>,

impl<T, U> TryFrom<U> for Twhere U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<S, T> UncheckedInto<T> for Swhere T: UncheckedFrom<S>,

fn unchecked_into(self) -> T

impl<T, S> UniqueSaturatedInto<T> for Swhere T: Bounded, S: TryInto<T>,

fn unique_saturated_into(self) -> T

impl<V, T> VZip<V> for Twhere V: MultiLane<T>,

fn vzip(self) -> V

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>where S: Into<Dispatch>,

fn with_current_subscriber(self) -> WithDispatch<Self>

impl<T> JsonSchemaMaybe for T

impl<T> MaybeRefUnwindSafe for Twhere T: RefUnwindSafe,