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Async/await in transaction-graph (#4645)

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* async/await in tx graph

* review notes

* remove unused typedef
This commit is contained in:
Nikolay Volf
2020-01-24 05:22:39 -08:00
committed by GitHub
parent b7887df104
commit 1614ce0996
3 changed files with 144 additions and 156 deletions
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substrate/primitives/transaction-pool/src/pool.rs
+13 -24
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@@ -124,6 +124,9 @@ pub type TransactionFor<P> = <<P as TransactionPool>::Block as BlockT>::Extrinsi
/// Type of transactions event stream for a pool.
pub type TransactionStatusStreamFor<P> = TransactionStatusStream<TxHash<P>, BlockHash<P>>;
/// Typical future type used in transaction pool api.
pub type PoolFuture<T, E> = std::pin::Pin<Box<dyn Future<Output=Result<T, E>> + Send>>;
/// In-pool transaction interface.
///
/// The pool is container of transactions that are implementing this trait.
@@ -170,55 +173,41 @@ pub trait TransactionPool: Send + Sync {
fn submit_at(
&self,
at: &BlockId<Self::Block>,
xts: impl IntoIterator<Item=TransactionFor<Self>> + 'static,
) -> Box<dyn Future<Output=Result<
Vec<Result<TxHash<Self>, Self::Error>>,
Self::Error
>> + Send + Unpin>;
xts: Vec<TransactionFor<Self>>,
) -> PoolFuture<Vec<Result<TxHash<Self>, Self::Error>>, Self::Error>;
/// Returns a future that imports one unverified transaction to the pool.
fn submit_one(
&self,
at: &BlockId<Self::Block>,
xt: TransactionFor<Self>,
) -> Box<dyn Future<Output=Result<
TxHash<Self>,
Self::Error
>> + Send + Unpin>;
// RPC
) -> PoolFuture<TxHash<Self>, Self::Error>;
// *** RPC
/// Returns a future that import a single transaction and starts to watch their progress in the pool.
fn submit_and_watch(
&self,
at: &BlockId<Self::Block>,
xt: TransactionFor<Self>,
) -> Box<dyn Future<Output=Result<Box<TransactionStatusStreamFor<Self>>, Self::Error>> + Send + Unpin>;
// Block production / Networking
) -> PoolFuture<Box<TransactionStatusStreamFor<Self>>, Self::Error>;
// *** Block production / Networking
/// Get an iterator for ready transactions ordered by priority
fn ready(&self) -> Box<dyn Iterator<Item=Arc<Self::InPoolTransaction>>>;
// Block production
// *** Block production
/// Remove transactions identified by given hashes (and dependent transactions) from the pool.
fn remove_invalid(&self, hashes: &[TxHash<Self>]) -> Vec<Arc<Self::InPoolTransaction>>;
// logging
// *** logging
/// Returns pool status.
fn status(&self) -> PoolStatus;
// logging / RPC / networking
// *** logging / RPC / networking
/// Return an event stream of transactions imported to the pool.
fn import_notification_stream(&self) -> ImportNotificationStream;
// networking
// *** networking
/// Notify the pool about transactions broadcast.
fn on_broadcasted(&self, propagations: HashMap<TxHash<Self>, Vec<String>>);