Trait sc_rpc_api::chain::ChainApiServer

source ·

pub trait ChainApiServer<Number, Hash, Header, SignedBlock>: Sized + Send + Sync + 'static {
    // Required methods
    fn header(&self, hash: Option<Hash>) -> Result<Option<Header>, Error>;
    fn block(&self, hash: Option<Hash>) -> Result<Option<SignedBlock>, Error>;
    fn block_hash(
        &self,
        hash: Option<ListOrValue<NumberOrHex>>,
    ) -> Result<ListOrValue<Option<Hash>>, Error>;
    fn finalized_head(&self) -> Result<Hash, Error>;
    fn subscribe_all_heads(&self, subscription_sink: PendingSubscriptionSink);
    fn subscribe_new_heads(&self, subscription_sink: PendingSubscriptionSink);
    fn subscribe_finalized_heads(
        &self,
        subscription_sink: PendingSubscriptionSink,
    );

    // Provided method
    fn into_rpc(self) -> RpcModule<Self>
       where Number: Send + Sync + 'static,
             Hash: Send + Sync + 'static + DeserializeOwned + Clone + Serialize,
             Header: Send + Sync + 'static + Clone + Serialize,
             SignedBlock: Send + Sync + 'static + Clone + Serialize { ... }
}