[−][src]Struct sc_transaction_graph::Pool
Extrinsics pool that performs validation.
Methods
impl<B: ChainApi> Pool<B>
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pub fn new(options: Options, api: Arc<B>) -> Self
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Create a new transaction pool.
pub async fn submit_at<'_, '_, T>(
&'_ self,
at: &'_ BlockId<B::Block>,
source: TransactionSource,
xts: T,
force: bool
) -> Result<Vec<Result<ExHash<B>, B::Error>>, B::Error> where
T: IntoIterator<Item = ExtrinsicFor<B>>,
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&'_ self,
at: &'_ BlockId<B::Block>,
source: TransactionSource,
xts: T,
force: bool
) -> Result<Vec<Result<ExHash<B>, B::Error>>, B::Error> where
T: IntoIterator<Item = ExtrinsicFor<B>>,
Imports a bunch of unverified extrinsics to the pool
pub async fn submit_one<'_, '_>(
&'_ self,
at: &'_ BlockId<B::Block>,
source: TransactionSource,
xt: ExtrinsicFor<B>
) -> Result<ExHash<B>, B::Error>
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&'_ self,
at: &'_ BlockId<B::Block>,
source: TransactionSource,
xt: ExtrinsicFor<B>
) -> Result<ExHash<B>, B::Error>
Imports one unverified extrinsic to the pool
pub async fn submit_and_watch<'_, '_>(
&'_ self,
at: &'_ BlockId<B::Block>,
source: TransactionSource,
xt: ExtrinsicFor<B>
) -> Result<Watcher<ExHash<B>, BlockHash<B>>, B::Error>
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&'_ self,
at: &'_ BlockId<B::Block>,
source: TransactionSource,
xt: ExtrinsicFor<B>
) -> Result<Watcher<ExHash<B>, BlockHash<B>>, B::Error>
Import a single extrinsic and starts to watch their progress in the pool.
pub fn resubmit(
&self,
revalidated_transactions: HashMap<ExHash<B>, ValidatedTransaction<ExHash<B>, ExtrinsicFor<B>, <B as ChainApi>::Error>>
)
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&self,
revalidated_transactions: HashMap<ExHash<B>, ValidatedTransaction<ExHash<B>, ExtrinsicFor<B>, <B as ChainApi>::Error>>
)
Resubmit some transaction that were validated elsewhere.
pub fn prune_known(
&self,
at: &BlockId<B::Block>,
hashes: &[ExHash<B>]
) -> Result<(), B::Error>
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&self,
at: &BlockId<B::Block>,
hashes: &[ExHash<B>]
) -> Result<(), B::Error>
Prunes known ready transactions.
Used to clear the pool from transactions that were part of recently imported block.
The main difference from the prune
is that we do not revalidate any transactions
and ignore unknown passed hashes.
pub async fn prune<'_, '_, '_, '_>(
&'_ self,
at: &'_ BlockId<B::Block>,
parent: &'_ BlockId<B::Block>,
extrinsics: &'_ [ExtrinsicFor<B>]
) -> Result<(), B::Error>
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&'_ self,
at: &'_ BlockId<B::Block>,
parent: &'_ BlockId<B::Block>,
extrinsics: &'_ [ExtrinsicFor<B>]
) -> Result<(), B::Error>
Prunes ready transactions.
Used to clear the pool from transactions that were part of recently imported block.
To perform pruning we need the tags that each extrinsic provides and to avoid calling
into runtime too often we first lookup all extrinsics that are in the pool and get
their provided tags from there. Otherwise we query the runtime at the parent
block.
pub async fn prune_tags<'_, '_>(
&'_ self,
at: &'_ BlockId<B::Block>,
tags: impl IntoIterator<Item = Tag>,
known_imported_hashes: impl IntoIterator<Item = ExHash<B>> + Clone
) -> Result<(), B::Error>
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&'_ self,
at: &'_ BlockId<B::Block>,
tags: impl IntoIterator<Item = Tag>,
known_imported_hashes: impl IntoIterator<Item = ExHash<B>> + Clone
) -> Result<(), B::Error>
Prunes ready transactions that provide given list of tags.
Given tags are assumed to be always provided now, so all transactions in the Future Queue that require that particular tag (and have other requirements satisfied) are promoted to Ready Queue.
Moreover for each provided tag we remove transactions in the pool that:
- Provide that tag directly
- Are a dependency of pruned transaction.
Returns transactions that have been removed from the pool and must be reverified before reinserting to the pool.
By removing predecessor transactions as well we might actually end up
pruning too much, so all removed transactions are reverified against
the runtime (validate_transaction
) to make sure they are invalid.
However we avoid revalidating transactions that are contained within
the second parameter of known_imported_hashes
. These transactions
(if pruned) are not revalidated and become temporarily banned to
prevent importing them in the (near) future.
pub fn hash_of(&self, xt: &ExtrinsicFor<B>) -> ExHash<B>
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Returns transaction hash
pub fn validated_pool(&self) -> &ValidatedPool<B>
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get a reference to the underlying validated pool.
Trait Implementations
impl<B: ChainApi> Clone for Pool<B>
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fn clone(&self) -> Self
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fn clone_from(&mut self, source: &Self)
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impl<B: ChainApi> MallocSizeOf for Pool<B> where
B::Hash: MallocSizeOf,
ExtrinsicFor<B>: MallocSizeOf,
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B::Hash: MallocSizeOf,
ExtrinsicFor<B>: MallocSizeOf,
fn size_of(&self, ops: &mut MallocSizeOfOps) -> usize
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Auto Trait Implementations
impl<B> !RefUnwindSafe for Pool<B>
impl<B> Send for Pool<B> where
<B as ChainApi>::Block: Block,
<<B as ChainApi>::Block as Block>::Extrinsic: Send + Sync,
<B as ChainApi>::Hash: Send + Sync,
<<B as ChainApi>::Block as Block>::Hash: Send + Sync,
<B as ChainApi>::Block: Block,
<<B as ChainApi>::Block as Block>::Extrinsic: Send + Sync,
<B as ChainApi>::Hash: Send + Sync,
<<B as ChainApi>::Block as Block>::Hash: Send + Sync,
impl<B> Sync for Pool<B> where
<B as ChainApi>::Block: Block,
<<B as ChainApi>::Block as Block>::Extrinsic: Send + Sync,
<B as ChainApi>::Hash: Send + Sync,
<<B as ChainApi>::Block as Block>::Hash: Send + Sync,
<B as ChainApi>::Block: Block,
<<B as ChainApi>::Block as Block>::Extrinsic: Send + Sync,
<B as ChainApi>::Hash: Send + Sync,
<<B as ChainApi>::Block as Block>::Hash: Send + Sync,
impl<B> Unpin for Pool<B>
impl<B> !UnwindSafe for Pool<B>
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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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>,
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Self: TryFrom<T>,
fn checked_into<T>(self) -> Option<T> where
Self: TryInto<T>,
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Self: TryInto<T>,
impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T, Outer> IsWrappedBy<Outer> for T where
Outer: AsRef<T> + AsMut<T> + From<T>,
T: From<Outer>,
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Outer: AsRef<T> + AsMut<T> + From<T>,
T: From<Outer>,
fn from_ref(outer: &Outer) -> &T
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Get a reference to the inner from the outer.
fn from_mut(outer: &mut Outer) -> &mut T
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Get a mutable reference to the inner from the outer.
impl<T> MallocSizeOfExt for T where
T: MallocSizeOf,
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T: MallocSizeOf,
fn malloc_size_of(&self) -> usize
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impl<T> MaybeMallocSizeOf for T where
T: MallocSizeOf,
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T: MallocSizeOf,
impl<T> Same<T> for T
type Output = T
Should always be Self
impl<T> SaturatedConversion for T
fn saturated_from<T>(t: T) -> Self where
Self: UniqueSaturatedFrom<T>,
Self: UniqueSaturatedFrom<T>,
fn saturated_into<T>(self) -> T where
Self: UniqueSaturatedInto<T>,
Self: UniqueSaturatedInto<T>,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<S, T> UncheckedInto<T> for S where
T: UncheckedFrom<S>,
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T: UncheckedFrom<S>,
fn unchecked_into(self) -> T
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impl<T, S> UniqueSaturatedInto<T> for S where
S: TryInto<T>,
T: Bounded,
S: TryInto<T>,
T: Bounded,
fn unique_saturated_into(self) -> T
impl<V, T> VZip<V> for T where
V: MultiLane<T>,
V: MultiLane<T>,