reth_rpc::eth::filter

Struct EthFilter

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pub struct EthFilter<Provider, Pool, Eth: EthApiTypes> { /* private fields */ }
Expand description

Eth filter RPC implementation.

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impl<Provider, Pool, Eth> EthFilter<Provider, Pool, Eth>
where Provider: Send + Sync + 'static, Pool: Send + Sync + 'static, Eth: EthApiTypes + 'static,

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pub fn new( provider: Provider, pool: Pool, eth_cache: EthStateCache, config: EthFilterConfig, task_spawner: Box<dyn TaskSpawner>, tx_resp_builder: Eth::TransactionCompat, ) -> Self

Creates a new, shareable instance.

This uses the given pool to get notified about new transactions, the provider to interact with the blockchain, the cache to fetch cacheable data, like the logs.

See also [EthFilterConfig].

This also spawns a task that periodically clears stale filters.

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pub fn active_filters( &self, ) -> &ActiveFilters<RpcTransaction<Eth::NetworkTypes>>

Returns all currently active filters

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pub async fn clear_stale_filters(&self, now: Instant)

Clears all filters that have not been polled for longer than the configured stale_filter_ttl at the given instant.

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impl<Provider, Pool, Eth> EthFilter<Provider, Pool, Eth>
where Provider: BlockReader + BlockIdReader + 'static, Pool: TransactionPool<Transaction: 'static> + 'static, Eth: FullEthApiTypes,

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pub async fn filter_changes( &self, id: FilterId, ) -> Result<FilterChanges<RpcTransaction<Eth::NetworkTypes>>, EthFilterError>

Returns all the filter changes for the given id, if any

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pub async fn filter_logs( &self, id: FilterId, ) -> Result<Vec<Log>, EthFilterError>

Returns an array of all logs matching filter with given id.

Returns an error if no matching log filter exists.

Handler for eth_getFilterLogs

Trait Implementations§

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impl<Provider, Pool, Eth> Clone for EthFilter<Provider, Pool, Eth>
where Eth: EthApiTypes,

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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<Provider, Pool, Eth> Debug for EthFilter<Provider, Pool, Eth>
where Eth: EthApiTypes,

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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<Provider, Pool, Eth> EthFilterApiServer<<<Eth as EthApiTypes>::NetworkTypes as Network>::TransactionResponse> for EthFilter<Provider, Pool, Eth>
where Provider: BlockReader + BlockIdReader + 'static, Pool: TransactionPool + 'static, Eth: FullEthApiTypes + 'static,

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fn new_filter<'life0, 'async_trait>( &'life0 self, filter: Filter, ) -> Pin<Box<dyn Future<Output = RpcResult<FilterId>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Handler for eth_newFilter

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fn new_block_filter<'life0, 'async_trait>( &'life0 self, ) -> Pin<Box<dyn Future<Output = RpcResult<FilterId>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Handler for eth_newBlockFilter

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fn new_pending_transaction_filter<'life0, 'async_trait>( &'life0 self, kind: Option<PendingTransactionFilterKind>, ) -> Pin<Box<dyn Future<Output = RpcResult<FilterId>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Handler for eth_newPendingTransactionFilter

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fn filter_changes<'life0, 'async_trait>( &'life0 self, id: FilterId, ) -> Pin<Box<dyn Future<Output = RpcResult<FilterChanges<RpcTransaction<Eth::NetworkTypes>>>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Handler for eth_getFilterChanges

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fn filter_logs<'life0, 'async_trait>( &'life0 self, id: FilterId, ) -> Pin<Box<dyn Future<Output = RpcResult<Vec<Log>>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Returns an array of all logs matching filter with given id.

Returns an error if no matching log filter exists.

Handler for eth_getFilterLogs

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fn uninstall_filter<'life0, 'async_trait>( &'life0 self, id: FilterId, ) -> Pin<Box<dyn Future<Output = RpcResult<bool>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Handler for eth_uninstallFilter

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fn logs<'life0, 'async_trait>( &'life0 self, filter: Filter, ) -> Pin<Box<dyn Future<Output = RpcResult<Vec<Log>>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Returns logs matching given filter object.

Handler for eth_getLogs

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fn into_rpc(self) -> RpcModule<Self>
where T: Send + Sync + 'static + Clone + Serialize,

Collects all the methods and subscriptions defined in the trait and adds them into a single RpcModule.

Auto Trait Implementations§

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impl<Provider, Pool, Eth> Freeze for EthFilter<Provider, Pool, Eth>
where <Eth as EthApiTypes>::TransactionCompat: Freeze,

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impl<Provider, Pool, Eth> !RefUnwindSafe for EthFilter<Provider, Pool, Eth>

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impl<Provider, Pool, Eth> Send for EthFilter<Provider, Pool, Eth>
where Pool: Sync + Send, Provider: Sync + Send,

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impl<Provider, Pool, Eth> Sync for EthFilter<Provider, Pool, Eth>
where Pool: Sync + Send, Provider: Sync + Send,

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impl<Provider, Pool, Eth> Unpin for EthFilter<Provider, Pool, Eth>
where <Eth as EthApiTypes>::TransactionCompat: Unpin,

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impl<Provider, Pool, Eth> !UnwindSafe for EthFilter<Provider, Pool, Eth>

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🔬This is a nightly-only experimental API. (clone_to_uninit #126799)
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