rustfmt staking-miner and fix typos

Signed-off-by: Uncle Stretch <uncle.stretch@ghostchain.io>

utils/staking-miner/src/client.rs

@@ -6,7 +6,7 @@ use subxt::backend::rpc::RpcClient as RawRpcClient;
 #[derive(Clone, Debug)]
 pub struct Client {
     /// Access to typed rpc calls from subxt.
-    rpc:: RpcClient,
+    rpc: RpcClient,
     /// Access to chain APIs such as storage, events etc.
     chain_api: ChainClient,
 }
@@ -30,13 +30,16 @@ impl Client {
                         "failed to connect to client due to {:?}, retrying soon...",
                         e
                     );
-                },
+                }
             };
             tokio::time::sleep(std::time::Duration::from_millis(2_500)).await;
         };
 
         let chain_api = ChainClient::from_rpc_client(rpc.clone()).await?;
-        Ok(Self { rpc: RpcClient::new(rpc), chain_api })
+        Ok(Self {
+            rpc: RpcClient::new(rpc),
+            chain_api,
+        })
     }
 
     /// Get a reference to the RPC interface exposed by subxt.