chore(deps): Update smoldot to the latest version

Cargo.toml

@@ -120,9 +120,11 @@ sc-executor = "0.40.0"
 sc-executor-common = "0.35.0"
 
 # Light client support:
-smoldot = { version = "0.16.0", default-features = false }
-smoldot-light = { version = "0.14.0", default-features = false }
+smoldot = { version = "0.18.0", default-features = false }
+smoldot-light = { version = "0.16.2", default-features = false }
+
 tokio-stream = "0.1.15"
+
 futures-util = "0.3.30"
 rand = "0.8.5"
 pin-project = "1.1.5"

lightclient/src/background.rs

@@ -13,6 +13,7 @@ use tokio::sync::{mpsc, oneshot};
 use tokio_stream::wrappers::UnboundedReceiverStream;
 
 const LOG_TARGET: &str = "subxt-light-client-background-task";
+const MAX_LOG_SIZE: usize = 1024;
 
 /// Response from [`BackgroundTaskHandle::request()`].
 pub type MethodResponse = Result<Box<RawValue>, LightClientRpcError>;
@@ -108,7 +109,7 @@ impl BackgroundTaskHandle {
 /// coming to/from Smoldot.
 #[allow(clippy::type_complexity)]
 pub struct BackgroundTask<TPlatform: PlatformRef, TChain> {
-    channels: BackgroundTaskChannels,
+    channels: BackgroundTaskChannels<TPlatform>,
     data: BackgroundTaskData<TPlatform, TChain>,
 }
 
@@ -117,7 +118,7 @@ impl<TPlatform: PlatformRef, TChain> BackgroundTask<TPlatform, TChain> {
     pub(crate) fn new(
         client: SharedClient<TPlatform, TChain>,
         chain_id: smoldot_light::ChainId,
-        from_back: smoldot_light::JsonRpcResponses,
+        from_back: smoldot_light::JsonRpcResponses<TPlatform>,
     ) -> (BackgroundTask<TPlatform, TChain>, BackgroundTaskHandle) {
         let (tx, rx) = mpsc::unbounded_channel();
 
@@ -176,10 +177,15 @@ impl<TPlatform: PlatformRef, TChain> BackgroundTask<TPlatform, TChain> {
                         tracing::trace!(target: LOG_TARGET, "Smoldot RPC responses channel closed");
                         break;
                     };
+                    let (maybe_truncated, delim) = if back_message.len() > MAX_LOG_SIZE {
+                        (&back_message[0..MAX_LOG_SIZE], "...")
+                    } else {
+                        (&back_message[..], "")
+                    };
+
                     tracing::trace!(
                         target: LOG_TARGET,
-                        "Received smoldot RPC chain {:?} result {:?}",
-                        chain_id, back_message
+                        "Received smoldot RPC chain {chain_id:?} result {maybe_truncated:?}{delim}",
                     );
 
                     data.handle_rpc_response(back_message);
@@ -191,11 +197,11 @@ impl<TPlatform: PlatformRef, TChain> BackgroundTask<TPlatform, TChain> {
     }
 }
 
-struct BackgroundTaskChannels {
+struct BackgroundTaskChannels<TPlatform: PlatformRef> {
     /// Messages sent into this background task from the front end.
     from_front: UnboundedReceiverStream<Message>,
     /// Messages sent into the background task from Smoldot.
-    from_back: smoldot_light::JsonRpcResponses,
+    from_back: smoldot_light::JsonRpcResponses<TPlatform>,
 }
 
 struct BackgroundTaskData<TPlatform: PlatformRef, TChain> {
@@ -242,6 +248,12 @@ struct ActiveSubscription {
     unsubscribe_method: String,
 }
 
+fn trim_response(response: &str) -> &str {
+    const MAX_RESPONSE_SIZE: usize = 256;
+    let len = std::cmp::min(response.len(), MAX_RESPONSE_SIZE);
+    &response[..len]
+}
+
 impl<TPlatform: PlatformRef, TChain> BackgroundTaskData<TPlatform, TChain> {
     /// Fetch and increment the request ID.
     fn next_id(&mut self) -> usize {
@@ -359,7 +371,7 @@ impl<TPlatform: PlatformRef, TChain> BackgroundTaskData<TPlatform, TChain> {
     /// Parse the response received from the light client and sent it to the appropriate user.
     fn handle_rpc_response(&mut self, response: String) {
         let chain_id = self.chain_id;
-        tracing::trace!(target: LOG_TARGET, "Received from smoldot response='{response}' chain={chain_id:?}");
+        tracing::trace!(target: LOG_TARGET, "Received from smoldot response='{}' chain={chain_id:?}", trim_response(&response));
 
         match RpcResponse::from_str(&response) {
             Ok(RpcResponse::Method { id, result }) => {

lightclient/src/lib.rs

@@ -185,7 +185,7 @@ impl LightClientRpc {
     pub(crate) fn new_raw<TPlat, TChain>(
         client: impl Into<SharedClient<TPlat, TChain>>,
         chain_id: smoldot_light::ChainId,
-        rpc_responses: smoldot_light::JsonRpcResponses,
+        rpc_responses: smoldot_light::JsonRpcResponses<TPlat>,
     ) -> Self
     where
         TPlat: smoldot_light::platform::PlatformRef + Send + 'static,