Struct NoopTransactionPool

#[non_exhaustive]
pub struct NoopTransactionPool;

A TransactionPool implementation that does nothing.

All transactions are rejected and no events are emitted. This type will never hold any transactions and is only useful for wiring components together.

Trait Implementations

impl Clone for NoopTransactionPool

fn clone(&self) -> NoopTransactionPool

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for NoopTransactionPool

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

Formats the value using the given formatter.

impl Default for NoopTransactionPool

fn default() -> NoopTransactionPool

Returns the “default value” for a type.

impl TransactionPool for NoopTransactionPool

type Transaction = EthPooledTransaction

The transaction type of the pool

fn pool_size(&self) -> PoolSize

Returns stats about the pool and all sub-pools.

fn block_info(&self) -> BlockInfo

Returns the block the pool is currently tracking.

async fn add_transaction_and_subscribe( &self, _origin: TransactionOrigin, transaction: Self::Transaction, ) -> PoolResult<TransactionEvents>

Adds an unvalidated transaction into the pool and subscribe to state changes.

async fn add_transaction( &self, _origin: TransactionOrigin, transaction: Self::Transaction, ) -> PoolResult<TxHash>

Adds an unvalidated transaction into the pool.

async fn add_transactions( &self, _origin: TransactionOrigin, transactions: Vec<Self::Transaction>, ) -> Vec<PoolResult<TxHash>>

Adds the given unvalidated transaction into the pool.

fn transaction_event_listener( &self, _tx_hash: TxHash, ) -> Option<TransactionEvents>

Returns a new transaction change event stream for the given transaction.

fn all_transactions_event_listener( &self, ) -> AllTransactionsEvents<Self::Transaction>

Returns a new transaction change event stream for all transactions in the pool.

fn pending_transactions_listener_for( &self, _kind: TransactionListenerKind, ) -> Receiver<TxHash>

Returns a new [Receiver] that yields transactions hashes for new pending transactions inserted into the pending pool depending on the given TransactionListenerKind argument.

fn new_transactions_listener( &self, ) -> Receiver<NewTransactionEvent<Self::Transaction>>

Returns a new stream that yields new valid transactions added to the pool.

fn blob_transaction_sidecars_listener(&self) -> Receiver<NewBlobSidecar>

Returns a new [Receiver] that yields blob “sidecars” (blobs w/ assoc. kzg commitments/proofs) for eip-4844 transactions inserted into the pool

fn new_transactions_listener_for( &self, _kind: TransactionListenerKind, ) -> Receiver<NewTransactionEvent<Self::Transaction>>

Returns a new stream that yields new valid transactions added to the pool depending on the given TransactionListenerKind argument.

fn pooled_transaction_hashes(&self) -> Vec<TxHash>

Returns the hashes of all transactions in the pool.

fn pooled_transaction_hashes_max(&self, _max: usize) -> Vec<TxHash>

Returns only the first max hashes of transactions in the pool.

fn pooled_transactions( &self, ) -> Vec<Arc<ValidPoolTransaction<Self::Transaction>>>

Returns the full transaction objects all transactions in the pool.

fn pooled_transactions_max( &self, _max: usize, ) -> Vec<Arc<ValidPoolTransaction<Self::Transaction>>>

Returns only the first max transactions in the pool.

fn get_pooled_transaction_elements( &self, _tx_hashes: Vec<TxHash>, _limit: GetPooledTransactionLimit, ) -> Vec<PooledTransactionsElement>

Returns converted PooledTransactionsElement for the given transaction hashes.

fn get_pooled_transaction_element( &self, _tx_hash: TxHash, ) -> Option<PooledTransactionsElement>

Returns converted PooledTransactionsElement for the given transaction hash.

fn best_transactions( &self, ) -> Box<dyn BestTransactions<Item = Arc<ValidPoolTransaction<Self::Transaction>>>>

Returns an iterator that yields transactions that are ready for block production.

fn best_transactions_with_attributes( &self, _: BestTransactionsAttributes, ) -> Box<dyn BestTransactions<Item = Arc<ValidPoolTransaction<Self::Transaction>>>>

Returns an iterator that yields transactions that are ready for block production with the given base fee and optional blob fee attributes.

fn pending_transactions( &self, ) -> Vec<Arc<ValidPoolTransaction<Self::Transaction>>>

Returns all transactions that can be included in the next block.

fn queued_transactions( &self, ) -> Vec<Arc<ValidPoolTransaction<Self::Transaction>>>

Returns all transactions that can be included in future blocks.

fn all_transactions(&self) -> AllPoolTransactions<Self::Transaction>

Returns all transactions that are currently in the pool grouped by whether they are ready for inclusion in the next block or not.

fn remove_transactions( &self, _hashes: Vec<TxHash>, ) -> Vec<Arc<ValidPoolTransaction<Self::Transaction>>>

Removes all transactions corresponding to the given hashes.

fn remove_transactions_and_descendants( &self, _hashes: Vec<TxHash>, ) -> Vec<Arc<ValidPoolTransaction<Self::Transaction>>>

Removes all transactions corresponding to the given hashes.

fn remove_transactions_by_sender( &self, _sender: Address, ) -> Vec<Arc<ValidPoolTransaction<Self::Transaction>>>

Removes all transactions from the given sender

fn retain_unknown<A>(&self, _announcement: &mut A)

where A: HandleMempoolData,

Retains only those hashes that are unknown to the pool. In other words, removes all transactions from the given set that are currently present in the pool. Returns hashes already known to the pool.

fn get( &self, _tx_hash: &TxHash, ) -> Option<Arc<ValidPoolTransaction<Self::Transaction>>>

Returns the transaction for the given hash.

fn get_all( &self, _txs: Vec<TxHash>, ) -> Vec<Arc<ValidPoolTransaction<Self::Transaction>>>

Returns all transactions objects for the given hashes.

fn on_propagated(&self, _txs: PropagatedTransactions)

Notify the pool about transactions that are propagated to peers.

fn get_transactions_by_sender( &self, _sender: Address, ) -> Vec<Arc<ValidPoolTransaction<Self::Transaction>>>

Returns all transactions sent by a given user

fn get_pending_transactions_with_predicate( &self, _predicate: impl FnMut(&ValidPoolTransaction<Self::Transaction>) -> bool, ) -> Vec<Arc<ValidPoolTransaction<Self::Transaction>>>

Returns all pending transactions filtered by predicate

fn get_pending_transactions_by_sender( &self, _sender: Address, ) -> Vec<Arc<ValidPoolTransaction<Self::Transaction>>>

Returns all pending transactions sent by a given user

fn get_queued_transactions_by_sender( &self, _sender: Address, ) -> Vec<Arc<ValidPoolTransaction<Self::Transaction>>>

Returns all queued transactions sent by a given user

fn get_highest_transaction_by_sender( &self, _sender: Address, ) -> Option<Arc<ValidPoolTransaction<Self::Transaction>>>

Returns the highest transaction sent by a given user

fn get_highest_consecutive_transaction_by_sender( &self, _sender: Address, _on_chain_nonce: u64, ) -> Option<Arc<ValidPoolTransaction<Self::Transaction>>>

Returns the transaction with the highest nonce that is executable given the on chain nonce. In other words the highest non nonce gapped transaction.

fn get_transaction_by_sender_and_nonce( &self, _sender: Address, _nonce: u64, ) -> Option<Arc<ValidPoolTransaction<Self::Transaction>>>

Returns a transaction sent by a given user and a nonce

fn get_transactions_by_origin( &self, _origin: TransactionOrigin, ) -> Vec<Arc<ValidPoolTransaction<Self::Transaction>>>

Returns all transactions that where submitted with the given TransactionOrigin

fn get_pending_transactions_by_origin( &self, _origin: TransactionOrigin, ) -> Vec<Arc<ValidPoolTransaction<Self::Transaction>>>

Returns all pending transactions filtered by TransactionOrigin

fn unique_senders(&self) -> HashSet<Address>

Returns a set of all senders of transactions in the pool

fn get_blob( &self, _tx_hash: TxHash, ) -> Result<Option<Arc<BlobTransactionSidecar>>, BlobStoreError>

Returns the [BlobTransactionSidecar] for the given transaction hash if it exists in the blob store.

fn get_all_blobs( &self, _tx_hashes: Vec<TxHash>, ) -> Result<Vec<(TxHash, Arc<BlobTransactionSidecar>)>, BlobStoreError>

Returns all [BlobTransactionSidecar] for the given transaction hashes if they exists in the blob store.

fn get_all_blobs_exact( &self, tx_hashes: Vec<TxHash>, ) -> Result<Vec<Arc<BlobTransactionSidecar>>, BlobStoreError>

Returns the exact [BlobTransactionSidecar] for the given transaction hashes in the order they were requested.

fn get_blobs_for_versioned_hashes( &self, versioned_hashes: &[B256], ) -> Result<Vec<Option<BlobAndProofV1>>, BlobStoreError>

Return the [BlobTransactionSidecar]s for a list of blob versioned hashes.

fn add_external_transaction( &self, transaction: Self::Transaction, ) -> impl Future<Output = PoolResult<TxHash>> + Send

Imports an external transaction.

fn add_external_transactions( &self, transactions: Vec<Self::Transaction>, ) -> impl Future<Output = Vec<PoolResult<TxHash>>> + Send

Imports all external transactions

fn pending_transactions_listener(&self) -> Receiver<TxHash>

Returns a new Stream that yields transactions hashes for new pending transactions inserted into the pool that are allowed to be propagated.

fn new_pending_pool_transactions_listener( &self, ) -> NewSubpoolTransactionStream<Self::Transaction>

Returns a new Stream that yields new transactions added to the pending sub-pool.

fn new_basefee_pool_transactions_listener( &self, ) -> NewSubpoolTransactionStream<Self::Transaction>

Returns a new Stream that yields new transactions added to the basefee sub-pool.

fn new_queued_transactions_listener( &self, ) -> NewSubpoolTransactionStream<Self::Transaction>

Returns a new Stream that yields new transactions added to the queued-pool.

fn contains(&self, tx_hash: &TxHash) -> bool

Returns if the transaction for the given hash is already included in this pool.

fn get_local_transactions( &self, ) -> Vec<Arc<ValidPoolTransaction<Self::Transaction>>>

Returns all transactions that where submitted as TransactionOrigin::Local

fn get_private_transactions( &self, ) -> Vec<Arc<ValidPoolTransaction<Self::Transaction>>>

Returns all transactions that where submitted as TransactionOrigin::Private

fn get_external_transactions( &self, ) -> Vec<Arc<ValidPoolTransaction<Self::Transaction>>>

Returns all transactions that where submitted as TransactionOrigin::External

fn get_local_pending_transactions( &self, ) -> Vec<Arc<ValidPoolTransaction<Self::Transaction>>>

Returns all pending transactions that where submitted as TransactionOrigin::Local

fn get_private_pending_transactions( &self, ) -> Vec<Arc<ValidPoolTransaction<Self::Transaction>>>

Returns all pending transactions that where submitted as TransactionOrigin::Private

fn get_external_pending_transactions( &self, ) -> Vec<Arc<ValidPoolTransaction<Self::Transaction>>>

Returns all pending transactions that where submitted as TransactionOrigin::External

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

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