pub async fn best_synced_header_id<SourceChain, TargetChain>(
target_client: &impl Client<TargetChain>,
at: HashOf<TargetChain>,
) -> Result<Option<HeaderIdOf<SourceChain>>, Error>where
SourceChain: Chain,
TargetChain: Chain,Expand description
Get the id of the best SourceChain header known to the TargetChain at the provided
target block using the exposed runtime API method.
The runtime API method should be <TargetChain>FinalityApi::best_finalized().