Fixing warnings

ethcore/src/client/test_client.rs

@@ -55,9 +55,15 @@ pub enum EachBlockWith {
 	UncleAndTransaction
 }
 
+impl Default for TestBlockChainClient {
+	fn default() -> Self {
+		TestBlockChainClient::new()
+	}
+}
+
 impl TestBlockChainClient {
 	/// Creates new test client.
-	pub fn new() -> TestBlockChainClient {
+	pub fn new() -> Self {
 
 		let mut client = TestBlockChainClient {
 			blocks: RwLock::new(HashMap::new()),

util/src/keys/store.rs

@@ -120,9 +120,15 @@ impl AccountProvider for AccountService {
 	}
 }
 
+impl Default for AccountService {
+	fn default() -> Self {
+		AccountService::new()
+	}
+}
+
 impl AccountService {
 	/// New account service with the default location
-	pub fn new() -> AccountService {
+	pub fn new() -> Self {
 		let secret_store = RwLock::new(SecretStore::new());
 		secret_store.write().unwrap().try_import_existing();
 		AccountService {