Struct snarkos_consensus::memory_pool::MemoryPool[−][src]

pub struct MemoryPool<T: TransactionScheme + Send + Sync + 'static> {
    pub transactions: MpmcMap<Vec<u8>, Entry<T>>,
    pub total_size_in_bytes: AtomicUsize,
}

Expand description

Stores transactions received by the server. Transaction entries will eventually be fetched by the miner and assembled into blocks.

Fields

transactions: MpmcMap<Vec<u8>, Entry<T>>

The mapping of all unconfirmed transaction IDs to their corresponding transaction data.

total_size_in_bytes: AtomicUsize

The total size in bytes of the current memory pool.

Implementations

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impl<T: TransactionScheme + Send + Sync + 'static> MemoryPool<T>

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pub fn new() -> Self

Initialize a new memory pool with no transactions

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pub async fn from_storage<P: LoadableMerkleParameters, S: Storage>(
    storage: &Ledger<T, P, S>
) -> Result<Self, ConsensusError>

Load the memory pool from previously stored state in storage

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pub fn store<P: LoadableMerkleParameters, S: Storage>(
    &self, 
    storage: &Ledger<T, P, S>
) -> Result<(), ConsensusError>

Store the memory pool state to the database

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pub async fn insert<P: LoadableMerkleParameters, S: Storage>(
    &self, 
    storage: &Ledger<T, P, S>, 
    entry: Entry<T>
) -> Result<Option<Vec<u8>>, ConsensusError>

Adds entry to memory pool if valid in the current ledger.

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pub async fn cleanse<P: LoadableMerkleParameters, S: Storage>(
    &self, 
    storage: &Ledger<T, P, S>
) -> Result<(), ConsensusError>

Cleanse the memory pool of outdated transactions.

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pub async fn remove(
    &self, 
    entry: &Entry<T>
) -> Result<Option<Vec<u8>>, ConsensusError>

Removes transaction from memory pool or error.

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pub async fn remove_by_hash(
    &self, 
    transaction_id: &[u8]
) -> Result<Option<Entry<T>>, ConsensusError>

Removes transaction from memory pool based on the transaction id.

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pub fn contains(&self, entry: &Entry<T>) -> bool

Returns whether or not the memory pool contains the entry.

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pub fn get_candidates<P: LoadableMerkleParameters, S: Storage>(
    &self, 
    storage: &Ledger<T, P, S>, 
    max_size: usize
) -> Result<DPCTransactions<T>, ConsensusError>

Get candidate transactions for a new block.

Trait Implementations

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impl<T: TransactionScheme + Send + Sync + 'static> Clone for MemoryPool<T>

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fn clone(&self) -> Self

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<T: Debug + TransactionScheme + Send + Sync + 'static> Debug for MemoryPool<T>

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

Formats the value using the given formatter. Read more

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impl<T: TransactionScheme + Send + Sync + 'static> Default for MemoryPool<T>

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fn default() -> Self

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

Auto Trait Implementations

impl<T> !RefUnwindSafe for MemoryPool<T>

impl<T> Send for MemoryPool<T>

impl<T> Sync for MemoryPool<T>

impl<T> Unpin for MemoryPool<T>

impl<T> !UnwindSafe for MemoryPool<T>

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> Conv for T

fn conv<T>(self) -> T where
    Self: Into<T>,

Converts self into T using Into<T>. Read more

impl<T> FmtForward for T

fn fmt_binary(self) -> FmtBinary<Self> where
    Self: Binary,

Causes self to use its Binary implementation when Debug-formatted.

fn fmt_display(self) -> FmtDisplay<Self> where
    Self: Display,

Causes self to use its Display implementation when Debug-formatted. Read more

fn fmt_lower_exp(self) -> FmtLowerExp<Self> where
    Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted. Read more

fn fmt_lower_hex(self) -> FmtLowerHex<Self> where
    Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted. Read more

fn fmt_octal(self) -> FmtOctal<Self> where
    Self: Octal,

Causes self to use its Octal implementation when Debug-formatted.

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    Self: Pointer,

Causes self to use its Pointer implementation when Debug-formatted. Read more

fn fmt_upper_exp(self) -> FmtUpperExp<Self> where
    Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted. Read more

fn fmt_upper_hex(self) -> FmtUpperHex<Self> where
    Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted. Read more

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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.

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

fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R

Pipes by value. This is generally the method you want to use. Read more

fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R where
    R: 'a,

Borrows self and passes that borrow into the pipe function. Read more

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    R: 'a,

Mutably borrows self and passes that borrow into the pipe function. Read more

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    Self: Borrow<B>,
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    B: 'a + ?Sized,

Borrows self, then passes self.borrow() into the pipe function. Read more

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    &'a mut self, 
    func: impl FnOnce(&'a mut B) -> R
) -> R where
    Self: BorrowMut<B>,
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    B: 'a + ?Sized,

Mutably borrows self, then passes self.borrow_mut() into the pipe function. Read more

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    Self: AsRef<U>,
    R: 'a,
    U: 'a + ?Sized,

Borrows self, then passes self.as_ref() into the pipe function.

fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> R where
    Self: AsMut<U>,
    R: 'a,
    U: 'a + ?Sized,

Mutably borrows self, then passes self.as_mut() into the pipe function. Read more

fn pipe_deref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R where
    Self: Deref<Target = T>,
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    T: 'a + ?Sized,

Borrows self, then passes self.deref() into the pipe function.

fn pipe_deref_mut<'a, T, R>(
    &'a mut self, 
    func: impl FnOnce(&'a mut T) -> R
) -> R where
    Self: DerefMut<Target = T> + Deref,
    R: 'a,
    T: 'a + ?Sized,

Mutably borrows self, then passes self.deref_mut() into the pipe function. Read more

impl<T> Pointable for T

pub const ALIGN: usize

The alignment of pointer.

type Init = T

The type for initializers.

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

Initializes a with the given initializer. Read more

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

Dereferences the given pointer. Read more

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

Mutably dereferences the given pointer. Read more

pub unsafe fn drop(ptr: usize)

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

impl<T> Same<T> for T

type Output = T

Should always be Self

impl<T> Tap for T

fn tap(self, func: impl FnOnce(&Self)) -> Self

Immutable access to a value. Read more

fn tap_mut(self, func: impl FnOnce(&mut Self)) -> Self

Mutable access to a value. Read more

fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Self where
    Self: Borrow<B>,
    B: ?Sized,

Immutable access to the Borrow of a value. Read more

fn tap_borrow_mut<B>(self, func: impl FnOnce(&mut B)) -> Self where
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fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Self where
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    R: ?Sized,

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    Self: AsMut<R>,
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fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Self where
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    Self: DerefMut<Target = T> + Deref,
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Calls .tap() only in debug builds, and is erased in release builds.

fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self

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fn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Self where
    Self: Borrow<B>,
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Calls .tap_borrow() only in debug builds, and is erased in release builds. Read more

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    Self: BorrowMut<B>,
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Calls .tap_borrow_mut() only in debug builds, and is erased in release builds. Read more

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    Self: AsRef<R>,
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Calls .tap_ref() only in debug builds, and is erased in release builds. Read more

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    Self: AsMut<R>,
    R: ?Sized,

Calls .tap_ref_mut() only in debug builds, and is erased in release builds. Read more

fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Self where
    Self: Deref<Target = T>,
    T: ?Sized,

Calls .tap_deref() only in debug builds, and is erased in release builds. Read more

fn tap_deref_mut_dbg<T>(self, func: impl FnOnce(&mut T)) -> Self where
    Self: DerefMut<Target = T> + Deref,
    T: ?Sized,

Calls .tap_deref_mut() only in debug builds, and is erased in release builds. 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

impl<T> TryConv for T

fn try_conv<T>(self) -> Result<T, Self::Error> where
    Self: TryInto<T>,

Attempts to convert self into T using TryInto<T>. 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>::Error>

Performs the conversion.

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

type Error = >::Error

The type returned in the event of a conversion error.

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

Performs the conversion.

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    V: MultiLane<T>,

pub fn vzip(self) -> V