fix: error message on rpc errors (#1804)

lightclient/src/lib.rs

@@ -43,7 +43,7 @@ pub enum LightClientError {
 #[derive(Debug, thiserror::Error)]
 pub enum LightClientRpcError {
     /// Error response from the JSON-RPC server.
-    #[error("{0}")]
+    #[error(transparent)]
     JsonRpcError(JsonRpcError),
     /// Smoldot could not handle the RPC call.
     #[error("Smoldot could not handle the RPC call: {0}.")]

subxt/src/backend/rpc/reconnecting_rpc_client/mod.rs

@@ -135,7 +135,7 @@ pub enum Error {
     #[error(transparent)]
     DisconnectedWillReconnect(#[from] DisconnectedWillReconnect),
     /// Other rpc error.
-    #[error("{0}")]
+    #[error(transparent)]
     RpcError(RpcError),
 }
 

subxt/src/error/mod.rs

@@ -37,7 +37,7 @@ pub enum Error {
     #[error("Scale codec error: {0}")]
     Codec(#[from] codec::Error),
     /// Rpc error.
-    #[error("Rpc error: {0}")]
+    #[error(transparent)]
     Rpc(#[from] RpcError),
     /// Serde serialization error
     #[error("Serde json error: {0}")]