rename types to CamelCase

src/rpc/rpc_server.rs

@@ -77,7 +77,7 @@ where
 			let rep_bytes = rmp_to_vec_all_named::<Result<M, String>>(&Err(err_str))?;
 			let mut err_response = Response::new(Body::from(rep_bytes));
 			*err_response.status_mut() = match e {
-				Error::BadRPC(_) => StatusCode::BAD_REQUEST,
+				Error::BadRpc(_) => StatusCode::BAD_REQUEST,
 				_ => StatusCode::INTERNAL_SERVER_ERROR,
 			};
 			warn!(