Struct sc_network_sync::strategy::PolkadotSyncingStrategy

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pub struct PolkadotSyncingStrategy<B: BlockT, Client> { /* private fields */ }
Expand description

Proxy to specific syncing strategies used in Polkadot.

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impl<B, Client> PolkadotSyncingStrategy<B, Client>
where B: BlockT, Client: HeaderBackend<B> + BlockBackend<B> + HeaderMetadata<B, Error = Error> + ProofProvider<B> + Send + Sync + 'static,

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pub fn new( config: SyncingConfig, client: Arc<Client>, warp_sync_config: Option<WarpSyncConfig<B>>, warp_sync_protocol_name: Option<ProtocolName>, ) -> Result<Self, ClientError>

Initialize a new syncing strategy.

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pub fn proceed_to_next(&mut self) -> Result<(), ClientError>

Proceed with the next strategy if the active one finished.

Trait Implementations§

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impl<B, Client> SyncingStrategy<B> for PolkadotSyncingStrategy<B, Client>
where B: BlockT, Client: HeaderBackend<B> + BlockBackend<B> + HeaderMetadata<B, Error = Error> + ProofProvider<B> + Send + Sync + 'static,

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fn add_peer( &mut self, peer_id: PeerId, best_hash: B::Hash, best_number: NumberFor<B>, )

Notify syncing state machine that a new sync peer has connected.
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fn remove_peer(&mut self, peer_id: &PeerId)

Notify that a sync peer has disconnected.
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fn on_validated_block_announce( &mut self, is_best: bool, peer_id: PeerId, announce: &BlockAnnounce<B::Header>, ) -> Option<(B::Hash, NumberFor<B>)>

Submit a validated block announcement. Read more
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fn set_sync_fork_request( &mut self, peers: Vec<PeerId>, hash: &B::Hash, number: NumberFor<B>, )

Configure an explicit fork sync request in case external code has detected that there is a stale fork missing. Read more
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fn request_justification(&mut self, hash: &B::Hash, number: NumberFor<B>)

Request extra justification.
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fn clear_justification_requests(&mut self)

Clear extra justification requests.
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fn on_justification_import( &mut self, hash: B::Hash, number: NumberFor<B>, success: bool, )

Report a justification import (successful or not).
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fn on_block_response( &mut self, peer_id: PeerId, key: StrategyKey, request: BlockRequest<B>, blocks: Vec<BlockData<B>>, )

Process block response.
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fn on_state_response( &mut self, peer_id: PeerId, key: StrategyKey, response: OpaqueStateResponse, )

Process state response.
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fn on_warp_proof_response( &mut self, peer_id: &PeerId, key: StrategyKey, response: EncodedProof, )

Process warp proof response.
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fn on_blocks_processed( &mut self, imported: usize, count: usize, results: Vec<(Result<BlockImportStatus<NumberFor<B>>, BlockImportError>, B::Hash)>, )

A batch of blocks that have been processed, with or without errors. Read more
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fn on_block_finalized(&mut self, hash: &B::Hash, number: NumberFor<B>)

Notify a syncing strategy that a block has been finalized.
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fn update_chain_info(&mut self, best_hash: &B::Hash, best_number: NumberFor<B>)

Inform sync about a new best imported block.
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fn is_major_syncing(&self) -> bool

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fn num_peers(&self) -> usize

Get the number of peers known to the syncing strategy.
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fn status(&self) -> SyncStatus<B>

Returns the current sync status.
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fn num_downloaded_blocks(&self) -> usize

Get the total number of downloaded blocks.
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fn num_sync_requests(&self) -> usize

Get an estimate of the number of parallel sync requests.
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fn actions(&mut self) -> Result<Vec<SyncingAction<B>>, ClientError>

Get actions that should be performed by the owner on the strategy’s behalf

Auto Trait Implementations§

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impl<B, Client> Freeze for PolkadotSyncingStrategy<B, Client>
where <<B as Block>::Header as Header>::Number: Freeze, <B as Block>::Hash: Freeze, <B as Block>::Header: Freeze,

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impl<B, Client> !RefUnwindSafe for PolkadotSyncingStrategy<B, Client>

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impl<B, Client> Send for PolkadotSyncingStrategy<B, Client>
where Client: Sync + Send,

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impl<B, Client> !Sync for PolkadotSyncingStrategy<B, Client>

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impl<B, Client> Unpin for PolkadotSyncingStrategy<B, Client>
where <<B as Block>::Header as Header>::Number: Unpin, <B as Block>::Hash: Unpin, <B as Block>::Header: Unpin, <B as Block>::Extrinsic: Unpin,

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impl<B, Client> !UnwindSafe for PolkadotSyncingStrategy<B, Client>

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