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SubscriptionServiceServer

sui_rpc::proto::sui::rpc::v2::subscription_service_server

Struct SubscriptionServiceServer 

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pub struct SubscriptionServiceServer<T> { /* private fields */ }
Expand description

SubscriptionService provides filtered, real-time streams of checkpoints, transactions, and events.

Each Subscribe API pairs with the LedgerService List API of the same name: requests take the same filter message, and responses carry the same item and watermark shapes with identical cursor semantics.

Subscriptions do not support resumption. A new subscription always begins at the current tip of the chain as seen by the server (the latest executed checkpoint). To recover data missed between subscriptions, replay the gap with the paired List API: pass the last received Watermark.cursor as options.after on the List request (for checkpoints, pass the last received cursor + 1 as start_checkpoint). The List scan reads from the indexed tip, which may trail the subscription’s start position; repeat the List call as the index advances until the replay reaches the position established by the subscription’s first frame.

A subscription behaves like an unbounded ascending scan: every frame carries the subscriber’s resume point, and progress advances as checkpoints are fully covered. Two delivery guarantees keep sparse filters live: the first frame on a filtered subscription is a progress-only frame establishing the stream’s start position, and progress continues to advance with bounded staleness even when no item matches.

Subscription streams have no successful end: they run until cancelled by the client or terminated by the server with a gRPC status.

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impl<T> SubscriptionServiceServer<T>

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pub fn new(inner: T) -> Self

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pub fn from_arc(inner: Arc<T>) -> Self

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pub fn with_interceptor<F>( inner: T, interceptor: F, ) -> InterceptedService<Self, F>
where F: Interceptor,

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pub fn accept_compressed(self, encoding: CompressionEncoding) -> Self

Enable decompressing requests with the given encoding.

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pub fn send_compressed(self, encoding: CompressionEncoding) -> Self

Compress responses with the given encoding, if the client supports it.

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pub fn max_decoding_message_size(self, limit: usize) -> Self

Limits the maximum size of a decoded message.

Default: 4MB

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pub fn max_encoding_message_size(self, limit: usize) -> Self

Limits the maximum size of an encoded message.

Default: usize::MAX

Trait Implementations§

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impl<T> Clone for SubscriptionServiceServer<T>

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fn clone(&self) -> Self

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<T: Debug> Debug for SubscriptionServiceServer<T>

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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<T> NamedService for SubscriptionServiceServer<T>

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const NAME: &'static str = SERVICE_NAME

The Service-Name as described here.
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impl<T, B> Service<Request<B>> for SubscriptionServiceServer<T>
where T: SubscriptionService, B: Body + Send + 'static, B::Error: Into<StdError> + Send + 'static,

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type Response = Response<Body>

Responses given by the service.
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type Error = Infallible

Errors produced by the service.
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type Future = Pin<Box<dyn Future<Output = Result<<SubscriptionServiceServer<T> as Service<Request<B>>>::Response, <SubscriptionServiceServer<T> as Service<Request<B>>>::Error>> + Send>>

The future response value.
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fn poll_ready(&mut self, _cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>>

Returns Poll::Ready(Ok(())) when the service is able to process requests. Read more
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fn call(&mut self, req: Request<B>) -> Self::Future

Process the request and return the response asynchronously. Read more

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fn borrow(&self) -> &T

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fn borrow_mut(&mut self) -> &mut T

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impl<T> CloneToUninit for T
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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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fn from(t: T) -> T

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impl<T, ReqBody, ResBody> GrpcService<ReqBody> for T
where T: Service<Request<ReqBody>, Response = Response<ResBody>>, <T as Service<Request<ReqBody>>>::Error: Into<Box<dyn Error + Sync + Send>>, ResBody: Body, <ResBody as Body>::Error: Into<Box<dyn Error + Sync + Send>>,

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type ResponseBody = ResBody

Responses body given by the service.
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type Error = <T as Service<Request<ReqBody>>>::Error

Errors produced by the service.
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type Future = <T as Service<Request<ReqBody>>>::Future

The future response value.
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fn poll_ready( &mut self, cx: &mut Context<'_>, ) -> Poll<Result<(), <T as GrpcService<ReqBody>>::Error>>

Returns Ready when the service is able to process requests. Read more
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fn call( &mut self, request: Request<ReqBody>, ) -> <T as GrpcService<ReqBody>>::Future

Process the request and return the response asynchronously. Read more
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fn into_request(self) -> Request<T>

Wrap the input message T in a tonic::Request
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fn ready(&mut self) -> Ready<'_, Self, Request>
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Yields a mutable reference to the service when it is ready to accept a request.
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fn ready_oneshot(self) -> ReadyOneshot<Self, Request>
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fn oneshot(self, req: Request) -> Oneshot<Self, Request>
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Consume this Service, calling it with the provided request once it is ready.
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fn call_all<S>(self, reqs: S) -> CallAll<Self, S>
where Self: Sized, S: Stream<Item = Request>,

Process all requests from the given Stream, and produce a Stream of their responses. Read more
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fn and_then<F>(self, f: F) -> AndThen<Self, F>
where Self: Sized, F: Clone,

Executes a new future after this service’s future resolves. This does not alter the behaviour of the poll_ready method. Read more
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fn map_response<F, Response>(self, f: F) -> MapResponse<Self, F>
where Self: Sized, F: FnOnce(Self::Response) -> Response + Clone,

Maps this service’s response value to a different value. This does not alter the behaviour of the poll_ready method. Read more
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fn map_err<F, Error>(self, f: F) -> MapErr<Self, F>
where Self: Sized, F: FnOnce(Self::Error) -> Error + Clone,

Maps this service’s error value to a different value. This does not alter the behaviour of the poll_ready method. Read more
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fn map_result<F, Response, Error>(self, f: F) -> MapResult<Self, F>
where Self: Sized, Error: From<Self::Error>, F: FnOnce(Result<Self::Response, Self::Error>) -> Result<Response, Error> + Clone,

Maps this service’s result type (Result<Self::Response, Self::Error>) to a different value, regardless of whether the future succeeds or fails. Read more
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fn map_request<F, NewRequest>(self, f: F) -> MapRequest<Self, F>
where Self: Sized, F: FnMut(NewRequest) -> Request,

Composes a function in front of the service. Read more
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fn then<F, Response, Error, Fut>(self, f: F) -> Then<Self, F>
where Self: Sized, Error: From<Self::Error>, F: FnOnce(Result<Self::Response, Self::Error>) -> Fut + Clone, Fut: Future<Output = Result<Response, Error>>,

Composes an asynchronous function after this service. Read more
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fn map_future<F, Fut, Response, Error>(self, f: F) -> MapFuture<Self, F>
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fn boxed(self) -> BoxService<Request, Self::Response, Self::Error>
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Convert the service into a Service + Send trait object. Read more
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fn boxed_clone(self) -> BoxCloneService<Request, Self::Response, Self::Error>
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