rust client: add unary methods

examples/rust/src/bin/client.rs

@@ -9,10 +9,17 @@ use {
     yellowstone_grpc_proto::prelude::{
         subscribe_request_filter_accounts_filter::Filter as AccountsFilterDataOneof,
         subscribe_request_filter_accounts_filter_memcmp::Data as AccountsFilterMemcmpOneof,
-        subscribe_update::UpdateOneof, SubscribeRequest, SubscribeRequestFilterAccounts,
-        SubscribeRequestFilterAccountsFilter, SubscribeRequestFilterAccountsFilterMemcmp,
-        SubscribeRequestFilterBlocks, SubscribeRequestFilterBlocksMeta,
-        SubscribeRequestFilterSlots, SubscribeRequestFilterTransactions, SubscribeUpdateAccount,
+        subscribe_update::UpdateOneof,
+        SubscribeRequest,
+        SubscribeRequestFilterAccounts,
+        SubscribeRequestFilterAccountsFilter,
+        SubscribeRequestFilterAccountsFilterMemcmp,
+        SubscribeRequestFilterBlocks,
+        SubscribeRequestFilterBlocksMeta,
+        SubscribeRequestFilterSlots,
+        SubscribeRequestFilterTransactions,
+        SubscribeUpdateAccount,
+        // PingRequest,
     },
 };
 
@@ -288,3 +295,17 @@ async fn main() -> anyhow::Result<()> {
     .await
     .map_err(Into::into)
 }
+
+// unary method
+// #[tokio::main]
+// async fn main() -> anyhow::Result<()> {
+//     std::env::set_var("RUST_LOG", "info");
+//     env_logger::init();
+//
+//     let args = Args::parse();
+//     let (endpoint, x_token) = (args.endpoint.clone(), args.x_token.clone());
+//     let mut client = GeyserGrpcClient::connect(endpoint, x_token, None)?;
+//     let response = client.ping(200).await;
+//     dbg!(&response);
+//     Ok(())
+// }

yellowstone-grpc-client/src/lib.rs

@@ -1,3 +1,5 @@
+use yellowstone_grpc_proto::geyser::{GetSlotResponse, PongResponse};
+use yellowstone_grpc_proto::prelude::{GetBlockHeightResponse, GetLatestBlockhashResponse};
 use {
     bytes::Bytes,
     futures::{
@@ -15,7 +17,8 @@ use {
         Request, Response, Status,
     },
     yellowstone_grpc_proto::prelude::{
-        geyser_client::GeyserClient, SubscribeRequest, SubscribeRequestFilterAccounts,
+        geyser_client::GeyserClient, GetBlockHeightRequest, GetLatestBlockhashRequest,
+        GetSlotRequest, PingRequest, SubscribeRequest, SubscribeRequestFilterAccounts,
         SubscribeRequestFilterBlocks, SubscribeRequestFilterBlocksMeta,
         SubscribeRequestFilterSlots, SubscribeRequestFilterTransactions, SubscribeUpdate,
     },
@@ -117,6 +120,33 @@ impl<F: Interceptor> GeyserGrpcClient<F> {
             .await?;
         Ok(response)
     }
+
+    pub async fn ping(&mut self, count: i32) -> GeyserGrpcClientResult<PongResponse> {
+        let message = PingRequest { count };
+        let request = tonic::Request::new(message);
+        let response = self.client.ping(request).await?;
+        Ok(response.into_inner())
+    }
+
+    pub async fn get_latest_blockhash(
+        &mut self,
+    ) -> GeyserGrpcClientResult<GetLatestBlockhashResponse> {
+        let request = tonic::Request::new(GetLatestBlockhashRequest {});
+        let response = self.client.get_latest_blockhash(request).await?;
+        Ok(response.into_inner())
+    }
+
+    pub async fn get_block_height(&mut self) -> GeyserGrpcClientResult<GetBlockHeightResponse> {
+        let request = tonic::Request::new(GetBlockHeightRequest {});
+        let response = self.client.get_block_height(request).await?;
+        Ok(response.into_inner())
+    }
+
+    pub async fn get_slot(&mut self) -> GeyserGrpcClientResult<GetSlotResponse> {
+        let request = tonic::Request::new(GetSlotRequest {});
+        let response = self.client.get_slot(request).await?;
+        Ok(response.into_inner())
+    }
 }
 
 #[cfg(test)]