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HeaderStage

reth_stages::stages

Struct HeaderStage 

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pub struct HeaderStage<Provider, Downloader: HeaderDownloader> { /* private fields */ }
Expand description

The headers stage.

The headers stage downloads all block headers from the highest block in storage to the perceived highest block on the network.

The headers are processed and data is inserted into static files, as well as into the HeaderNumbers table.

NOTE: This stage downloads headers in reverse and pushes them to the ETL Collector. It then proceeds to push them sequentially to static files. The stage checkpoint is not updated until this stage is done.

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impl<Provider, Downloader> HeaderStage<Provider, Downloader>
where Downloader: HeaderDownloader,

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pub fn new( database: Provider, downloader: Downloader, tip: Receiver<B256>, etl_config: EtlConfig, ) -> Self

Create a new header stage

Trait Implementations§

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impl<Provider: Debug, Downloader: Debug + HeaderDownloader> Debug for HeaderStage<Provider, Downloader>
where Downloader::Header: Debug,

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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, P, D> Stage<Provider> for HeaderStage<P, D>
where Provider: DBProvider<Tx: DbTxMut> + StaticFileProviderFactory, P: HeaderSyncGapProvider<Header = <Provider::Primitives as NodePrimitives>::BlockHeader>, D: HeaderDownloader<Header = <Provider::Primitives as NodePrimitives>::BlockHeader>, <Provider::Primitives as NodePrimitives>::BlockHeader: FullBlockHeader + Value,

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fn id(&self) -> StageId

Return the id of the stage

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fn execute( &mut self, provider: &Provider, input: ExecInput, ) -> Result<ExecOutput, StageError>

Download the headers in reverse order (falling block numbers) starting from the tip of the chain

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fn unwind( &mut self, provider: &Provider, input: UnwindInput, ) -> Result<UnwindOutput, StageError>

Unwind the stage.

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fn poll_execute_ready( &mut self, cx: &mut Context<'_>, input: ExecInput, ) -> Poll<Result<(), StageError>>

Returns Poll::Ready(Ok(())) when the stage is ready to execute the given range. Read more
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fn post_execute_commit(&mut self) -> Result<(), StageError>

Post execution commit hook. Read more
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fn post_unwind_commit(&mut self) -> Result<(), StageError>

Post unwind commit hook. Read more
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fn validate_unwind( &mut self, _provider: &Provider, _input: UnwindInput, ) -> Result<(), StageError>

Rejects an unwind target this stage cannot reach. Read more

Auto Trait Implementations§

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impl<Provider, Downloader> !Freeze for HeaderStage<Provider, Downloader>

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impl<Provider, Downloader> RefUnwindSafe for HeaderStage<Provider, Downloader>
where Provider: RefUnwindSafe, Downloader: RefUnwindSafe, Option<HeaderSyncGap<<Downloader as HeaderDownloader>::Header>>: RefUnwindSafe,

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impl<Provider, Downloader> Send for HeaderStage<Provider, Downloader>
where Provider: Send, Option<HeaderSyncGap<<Downloader as HeaderDownloader>::Header>>: Send,

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impl<Provider, Downloader> Sync for HeaderStage<Provider, Downloader>
where Provider: Sync, Option<HeaderSyncGap<<Downloader as HeaderDownloader>::Header>>: Sync,

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impl<Provider, Downloader> Unpin for HeaderStage<Provider, Downloader>
where Provider: Unpin, Option<HeaderSyncGap<<Downloader as HeaderDownloader>::Header>>: Unpin,

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impl<Provider, Downloader> UnsafeUnpin for HeaderStage<Provider, Downloader>
where Provider: UnsafeUnpin, Downloader: UnsafeUnpin, Option<HeaderSyncGap<<Downloader as HeaderDownloader>::Header>>: UnsafeUnpin,

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impl<Provider, Downloader> UnwindSafe for HeaderStage<Provider, Downloader>
where Provider: UnwindSafe, Downloader: UnwindSafe, Option<HeaderSyncGap<<Downloader as HeaderDownloader>::Header>>: UnwindSafe,

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