pub struct TrustedChainSync {
pub indexer_rpc_client: IndexerClient<Channel>,
db: ZebraDb,
non_finalized_state: NonFinalizedState,
chain_tip_sender: ChainTipSender,
non_finalized_state_sender: Sender<NonFinalizedState>,
}
Expand description
Syncs non-finalized blocks in the best chain from a trusted Zebra node’s RPC methods.
Fields§
§indexer_rpc_client: IndexerClient<Channel>
gRPC client for calling Zebra’s indexer methods.
db: ZebraDb
The read state service.
non_finalized_state: NonFinalizedState
The non-finalized state - currently only contains the best chain.
chain_tip_sender: ChainTipSender
The chain tip sender for updating LatestChainTip
and ChainTipChange
.
non_finalized_state_sender: Sender<NonFinalizedState>
The non-finalized state sender, for updating the ReadStateService
when the non-finalized best chain changes.
Implementations§
Source§impl TrustedChainSync
impl TrustedChainSync
Sourcepub async fn spawn(
indexer_rpc_address: SocketAddr,
db: ZebraDb,
non_finalized_state_sender: Sender<NonFinalizedState>,
) -> Result<(LatestChainTip, ChainTipChange, JoinHandle<()>), BoxError>
pub async fn spawn( indexer_rpc_address: SocketAddr, db: ZebraDb, non_finalized_state_sender: Sender<NonFinalizedState>, ) -> Result<(LatestChainTip, ChainTipChange, JoinHandle<()>), BoxError>
Creates a new TrustedChainSync
with a ChainTipSender
, then spawns a task to sync blocks
from the node’s non-finalized best chain.
Returns the LatestChainTip
, ChainTipChange
, and a [JoinHandle
] for the sync task.
Sourceasync fn sync(&mut self)
async fn sync(&mut self)
Starts syncing blocks from the node’s non-finalized best chain and checking for chain tip changes in the finalized state.
When the best chain tip in Zebra is not available in the finalized state or the local non-finalized state,
gets any unavailable blocks in Zebra’s best chain from the RPC server, adds them to the local non-finalized state, then
sends the updated chain tip block and non-finalized state to the ChainTipSender
and non-finalized state sender.
async fn try_commit( &mut self, block: SemanticallyVerifiedBlock, ) -> Result<(), ValidateContextError>
Sourceasync fn subscribe_to_non_finalized_state_change(
&mut self,
) -> Result<Streaming<BlockAndHash>, Status>
async fn subscribe_to_non_finalized_state_change( &mut self, ) -> Result<Streaming<BlockAndHash>, Status>
Calls non_finalized_state_change()
method on the indexer gRPC client to subscribe
to non-finalized state changes, and returns the response stream.
Sourceasync fn try_catch_up_with_primary(&self)
async fn try_catch_up_with_primary(&self)
Tries to catch up to the primary db instance for an up-to-date view of finalized blocks.
Sourceasync fn finalized_chain_tip_block(&self) -> Option<ChainTipBlock>
async fn finalized_chain_tip_block(&self) -> Option<ChainTipBlock>
Reads the finalized tip block from the secondary db instance and converts it to a ChainTipBlock
.
Sourcefn update_channels(&mut self)
fn update_channels(&mut self)
Sends the new chain tip and non-finalized state to the latest chain channels.
Trait Implementations§
Auto Trait Implementations§
impl !Freeze for TrustedChainSync
impl !RefUnwindSafe for TrustedChainSync
impl Send for TrustedChainSync
impl Sync for TrustedChainSync
impl Unpin for TrustedChainSync
impl !UnwindSafe for TrustedChainSync
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