Struct sp_npos_elections::StakedAssignment[−][src]

pub struct StakedAssignment<AccountId> {
    pub who: AccountId,
    pub distribution: Vec<(AccountId, ExtendedBalance)>,
}

Expand description

A voter’s stake assignment among a set of targets, represented as absolute values in the scale of ExtendedBalance.

Fields

who: AccountId

Voter’s identifier

distribution: Vec<(AccountId, ExtendedBalance)>

The distribution of the voter’s stake.

Implementations

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impl<AccountId> StakedAssignment<AccountId>

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pub fn into_assignment<P: PerThing>(self) -> Assignment<AccountId, P> where
    AccountId: IdentifierT,

Converts self into the normal Assignment type.

NOTE: This will always round down, and thus the results might be less than a full 100% P. Use a normalization post-processing to fix this. The data type returned here will potentially get used to create a compact type; a compact type requires sum of ratios to be less than 100% upon un-compacting.

If an edge stake is so small that it cannot be represented in T, it is ignored. This edge can never be re-created and does not mean anything useful anymore.

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pub fn try_normalize(
    &mut self, 
    stake: ExtendedBalance
) -> Result<(), &'static str>

Try and normalize this assignment.

If Ok(()) is returned, then the assignment MUST have been successfully normalized to stake.

NOTE: current implementation of .normalize is almost safe to expect() upon. The only error case is when the input cannot fit in T, or the sum of input cannot fit in T. Sadly, both of these are dependent upon the implementation of VoteLimit, i.e. the limit of edges per voter which is enforced from upstream. Hence, at this crate, we prefer returning a result and a use the name prefix try_.

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pub fn total(&self) -> ExtendedBalance

Get the total stake of this assignment (aka voter budget).

Trait Implementations

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impl<AccountId: Clone> Clone for StakedAssignment<AccountId>

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fn clone(&self) -> StakedAssignment<AccountId>

Returns a copy of the value. Read more

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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl<AccountId> Debug for StakedAssignment<AccountId> where
    AccountId: Debug,

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fn fmt(&self, fmt: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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impl<AccountId> Decode for StakedAssignment<AccountId> where
    AccountId: Decode,
    AccountId: Decode,
    Vec<(AccountId, ExtendedBalance)>: Decode,
    Vec<(AccountId, ExtendedBalance)>: Decode,

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fn decode<__CodecInputEdqy: Input>(
    __codec_input_edqy: &mut __CodecInputEdqy
) -> Result<Self, Error>

Attempt to deserialise the value from input.

fn skip<I>(input: &mut I) -> Result<(), Error> where
    I: Input,

Attempt to skip the encoded value from input. Read more

fn encoded_fixed_size() -> Option<usize>

Returns the fixed encoded size of the type. Read more

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impl<AccountId: Default> Default for StakedAssignment<AccountId>

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fn default() -> StakedAssignment<AccountId>

Returns the “default value” for a type. Read more

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impl<AccountId> Encode for StakedAssignment<AccountId> where
    AccountId: Encode,
    AccountId: Encode,
    Vec<(AccountId, ExtendedBalance)>: Encode,
    Vec<(AccountId, ExtendedBalance)>: Encode,

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fn encode_to<__CodecOutputEdqy: Output + ?Sized>(
    &self, 
    __codec_dest_edqy: &mut __CodecOutputEdqy
)

Convert self to a slice and append it to the destination.

fn size_hint(&self) -> usize

If possible give a hint of expected size of the encoding. Read more

fn encode(&self) -> Vec<u8, Global>

Convert self to an owned vector.

fn using_encoded<R, F>(&self, f: F) -> R where
    F: FnOnce(&[u8]) -> R,

Convert self to a slice and then invoke the given closure with it.

fn encoded_size(&self) -> usize

Calculates the encoded size. Read more

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impl<AccountId: PartialEq> PartialEq<StakedAssignment<AccountId>> for StakedAssignment<AccountId>

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fn eq(&self, other: &StakedAssignment<AccountId>) -> bool

This method tests for self and other values to be equal, and is used by ==. Read more

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fn ne(&self, other: &StakedAssignment<AccountId>) -> bool

This method tests for !=.

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impl<AccountId> EncodeLike<StakedAssignment<AccountId>> for StakedAssignment<AccountId> where
    AccountId: Encode,
    AccountId: Encode,
    Vec<(AccountId, ExtendedBalance)>: Encode,
    Vec<(AccountId, ExtendedBalance)>: Encode,

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impl<AccountId: Eq> Eq for StakedAssignment<AccountId>

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impl<AccountId> StructuralEq for StakedAssignment<AccountId>

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impl<AccountId> StructuralPartialEq for StakedAssignment<AccountId>

Auto Trait Implementations

impl<AccountId> RefUnwindSafe for StakedAssignment<AccountId> where
    AccountId: RefUnwindSafe,

impl<AccountId> Send for StakedAssignment<AccountId> where
    AccountId: Send,

impl<AccountId> Sync for StakedAssignment<AccountId> where
    AccountId: Sync,

impl<AccountId> Unpin for StakedAssignment<AccountId> where
    AccountId: Unpin,

impl<AccountId> UnwindSafe for StakedAssignment<AccountId> where
    AccountId: UnwindSafe,

Blanket Implementations

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

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pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

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pub fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

impl<T> DecodeAll for T where
    T: Decode,

pub fn decode_all(input: &[u8]) -> Result<T, Error>

Decode Self and consume all of the given input data. Read more

impl<T> DecodeLimit for T where
    T: Decode,

pub fn decode_all_with_depth_limit(limit: u32, input: &[u8]) -> Result<T, Error>

Decode Self and consume all of the given input data. Read more

pub fn decode_with_depth_limit(limit: u32, input: &[u8]) -> Result<T, Error>

Decode Self with the given maximum recursion depth. Read more

impl<T> Downcast for T where
    T: Any,

pub fn into_any(self: Box<T, Global>) -> Box<dyn Any + 'static, Global>

Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait. Read more

pub fn into_any_rc(self: Rc<T>) -> Rc<dyn Any + 'static>

Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait. Read more

pub fn as_any(&self) -> &(dyn Any + 'static)

Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s. Read more

pub fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s. Read more

impl<T> DowncastSync for T where
    T: Any + Send + Sync,

pub fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Sync + Send + 'static>

Convert Arc<Trait> (where Trait: Downcast) to Arc<Any>. Arc<Any> can then be further downcast into Arc<ConcreteType> where ConcreteType implements Trait. Read more

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impl<T> DynClone for T where
    T: Clone,

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pub fn __clone_box(&self, Private) -> *mut ()

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impl<T> From<T> for T

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pub fn from(t: T) -> T

Performs the conversion.

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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<U> for T where
    U: From<T>,

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pub fn into(self) -> U

Performs the conversion.

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

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

Get a reference to the inner from the outer.

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

Get a mutable reference to the inner from the outer.

impl<T> KeyedVec for T where
    T: Codec,

pub fn to_keyed_vec(&self, prepend_key: &[u8]) -> Vec<u8, Global>

Return an encoding of Self prepended by given slice.

impl<T> Same<T> for T

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) -> Self where
    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) -> T where
    Self: UniqueSaturatedInto<T>,

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

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impl<T> ToOwned for T where
    T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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pub fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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pub fn clone_into(&self, target: &mut T)

🔬 This is a nightly-only experimental API. (toowned_clone_into)

recently added

Uses borrowed data to replace owned data, usually by cloning. Read more

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

type Error = Infallible

The type returned in the event of a conversion error.

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

Performs the conversion.

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

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

The type returned in the event of a conversion error.

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

Performs the conversion.

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

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pub fn unchecked_into(self) -> T

The counterpart to unchecked_from.

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

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pub fn unique_saturated_into(self) -> T

Consume self to return an equivalent value of T.

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

pub fn vzip(self) -> V

impl<S> Codec for S where
    S: Decode + Encode,

impl<'_, '_, T> EncodeLike<&'_ &'_ T> for T where
    T: Encode,

impl<'_, T> EncodeLike<&'_ T> for T where
    T: Encode,

impl<'_, T> EncodeLike<&'_ mut T> for T where
    T: Encode,

impl<T> EncodeLike<Arc<T>> for T where
    T: Encode,

impl<T> EncodeLike<Box<T, Global>> for T where
    T: Encode,

impl<'a, T> EncodeLike<Cow<'a, T>> for T where
    T: ToOwned + Encode,

impl<T> EncodeLike<Rc<T>> for T where
    T: Encode,

impl<S> FullCodec for S where
    S: Decode + FullEncode,

impl<S> FullEncode for S where
    S: Encode + EncodeLike<S>,

impl<T> MaybeDebug for T where
    T: Debug,

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impl<T> MaybeRefUnwindSafe for T where
    T: RefUnwindSafe,