lightclient: Add generic platform for AddedChain

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

lightclient/src/background.rs

@@ -314,10 +314,10 @@ impl<TPlatform: PlatformRef, TChain> BackgroundTask<TPlatform, TChain> {
     /// Perform the main background task:
     /// - receiving requests from subxt RPC method / subscriptions
     /// - provides the results from the light client back to users.
-    pub async fn start_task(
+    pub async fn start_task<TPlat: smoldot_light::platform::PlatformRef>(
         &mut self,
         from_subxt: mpsc::UnboundedReceiver<FromSubxt>,
-        from_node: Vec<AddedChain>,
+        from_node: Vec<AddedChain<TPlat>>,
     ) {
         let from_subxt_event = tokio_stream::wrappers::UnboundedReceiverStream::new(from_subxt);
 

lightclient/src/client.rs

@@ -123,7 +123,7 @@ impl LightClientRpc {
     /// https://docs.rs/wasm-bindgen-futures/latest/wasm_bindgen_futures/fn.future_to_promise.html.
     pub fn new_from_client<TPlat>(
         client: smoldot_light::Client<TPlat>,
-        chains: impl IntoIterator<Item = AddedChain>,
+        chains: impl IntoIterator<Item = AddedChain<TPlat>>,
     ) -> RawLightClientRpc
     where
         TPlat: smoldot_light::platform::PlatformRef + Clone,
@@ -202,9 +202,9 @@ impl LightClientRpc {
 }
 
 /// The added chain of the light-client.
-pub struct AddedChain {
+pub struct AddedChain<TPlat: smoldot_light::platform::PlatformRef> {
     /// The id of the chain.
     pub chain_id: smoldot_light::ChainId,
     /// Producer of RPC responses for the chain.
-    pub rpc_responses: smoldot_light::JsonRpcResponses,
+    pub rpc_responses: smoldot_light::JsonRpcResponses<TPlat>,
 }