Fix warnings: dyn

ethcore/service/src/service.rs

@@ -82,7 +82,7 @@ pub struct ClientService {
     client: Arc<Client>,
     snapshot: Arc<SnapshotService>,
     private_tx: Arc<PrivateTxService>,
-    database: Arc<BlockChainDB>,
+    database: Arc<dyn BlockChainDB>,
     _stop_guard: StopGuard,
 }
 
@@ -91,13 +91,13 @@ impl ClientService {
     pub fn start(
         config: ClientConfig,
         spec: &Spec,
-        blockchain_db: Arc<BlockChainDB>,
+        blockchain_db: Arc<dyn BlockChainDB>,
         snapshot_path: &Path,
-        restoration_db_handler: Box<BlockChainDBHandler>,
+        restoration_db_handler: Box<dyn BlockChainDBHandler>,
         _ipc_path: &Path,
         miner: Arc<Miner>,
-        signer: Arc<Signer>,
-        encryptor: Box<ethcore_private_tx::Encryptor>,
+        signer: Arc<dyn Signer>,
+        encryptor: Box<dyn ethcore_private_tx::Encryptor>,
         private_tx_conf: ethcore_private_tx::ProviderConfig,
         private_encryptor_conf: ethcore_private_tx::EncryptorConfig,
     ) -> Result<ClientService, Error> {
@@ -169,7 +169,7 @@ impl ClientService {
     /// Get general IO interface
     pub fn register_io_handler(
         &self,
-        handler: Arc<IoHandler<ClientIoMessage> + Send>,
+        handler: Arc<dyn IoHandler<ClientIoMessage> + Send>,
     ) -> Result<(), IoError> {
         self.io_service.register_handler(handler)
     }
@@ -195,12 +195,12 @@ impl ClientService {
     }
 
     /// Set the actor to be notified on certain chain events
-    pub fn add_notify(&self, notify: Arc<ChainNotify>) {
+    pub fn add_notify(&self, notify: Arc<dyn ChainNotify>) {
         self.client.add_notify(notify);
     }
 
     /// Get a handle to the database.
-    pub fn db(&self) -> Arc<BlockChainDB> {
+    pub fn db(&self) -> Arc<dyn BlockChainDB> {
         self.database.clone()
     }