Struct reth_stages::stages::BodyStage

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pub struct BodyStage<D: BodyDownloader> { /* private fields */ }
Expand description

The body stage downloads block bodies.

The body stage downloads block bodies for all block headers stored locally in storage.

§Empty blocks

Blocks with an ommers hash corresponding to no ommers and a transaction root corresponding to no transactions will not have a block body downloaded for them, since it would be meaningless to do so.

This also means that if there is no body for the block in storage (assuming the block number <= the synced block of this stage), then the block can be considered empty.

§Tables

The bodies are processed and data is inserted into these tables:

  • [BlockOmmers][reth_db::tables::BlockOmmers]
  • [BlockBodies][reth_db::tables::BlockBodyIndices]
  • [Transactions][reth_db::tables::Transactions]
  • [TransactionBlocks][reth_db::tables::TransactionBlocks]

§Genesis

This stage expects that the genesis has been inserted into the appropriate tables:

  • The header tables (see HeaderStage)
  • The [BlockOmmers][reth_db::tables::BlockOmmers] table
  • The [BlockBodies][reth_db::tables::BlockBodyIndices] table
  • The [Transactions][reth_db::tables::Transactions] table

Implementations§

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impl<D: BodyDownloader> BodyStage<D>

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pub const fn new(downloader: D) -> Self

Create new bodies stage from downloader.

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impl<D: Debug + BodyDownloader> Debug for BodyStage<D>

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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, D: BodyDownloader> Stage<Provider> for BodyStage<D>
where Provider: DBProvider<Tx: DbTxMut> + StaticFileProviderFactory + StatsReader + BlockReader,

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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 block bodies from the last checkpoint for this stage up until the latest synced header, limited by the stage’s batch size.

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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

Auto Trait Implementations§

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impl<D> Freeze for BodyStage<D>
where D: Freeze,

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impl<D> RefUnwindSafe for BodyStage<D>
where D: RefUnwindSafe,

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impl<D> Send for BodyStage<D>

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impl<D> Sync for BodyStage<D>

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impl<D> Unpin for BodyStage<D>

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impl<D> UnwindSafe for BodyStage<D>
where D: UnwindSafe,

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