fix compile warnings

accounts/ethstore/src/accounts_dir/disk.rs

@@ -284,7 +284,7 @@ impl<T> KeyDirectory for DiskDirectory<T> where T: KeyFileManager {
 
 	fn path(&self) -> Option<&PathBuf> { Some(&self.path) }
 
-	fn as_vault_provider(&self) -> Option<&VaultKeyDirectoryProvider> {
+	fn as_vault_provider(&self) -> Option<&dyn VaultKeyDirectoryProvider> {
 		Some(self)
 	}
 
@@ -294,12 +294,12 @@ impl<T> KeyDirectory for DiskDirectory<T> where T: KeyFileManager {
 }
 
 impl<T> VaultKeyDirectoryProvider for DiskDirectory<T> where T: KeyFileManager {
-	fn create(&self, name: &str, key: VaultKey) -> Result<Box<VaultKeyDirectory>, Error> {
+	fn create(&self, name: &str, key: VaultKey) -> Result<Box<dyn VaultKeyDirectory>, Error> {
 		let vault_dir = VaultDiskDirectory::create(&self.path, name, key)?;
 		Ok(Box::new(vault_dir))
 	}
 
-	fn open(&self, name: &str, key: VaultKey) -> Result<Box<VaultKeyDirectory>, Error> {
+	fn open(&self, name: &str, key: VaultKey) -> Result<Box<dyn VaultKeyDirectory>, Error> {
 		let vault_dir = VaultDiskDirectory::at(&self.path, name, key)?;
 		Ok(Box::new(vault_dir))
 	}

accounts/ethstore/src/accounts_dir/mod.rs

@@ -57,17 +57,17 @@ pub trait KeyDirectory: Send + Sync {
 	/// Get directory filesystem path, if available
 	fn path(&self) -> Option<&PathBuf> { None }
 	/// Return vault provider, if available
-	fn as_vault_provider(&self) -> Option<&VaultKeyDirectoryProvider> { None }
+	fn as_vault_provider(&self) -> Option<&dyn VaultKeyDirectoryProvider> { None }
 	/// Unique representation of directory account collection
 	fn unique_repr(&self) -> Result<u64, Error>;
 }
 
 /// Vaults provider
 pub trait VaultKeyDirectoryProvider {
 	/// Create new vault with given key
-	fn create(&self, name: &str, key: VaultKey) -> Result<Box<VaultKeyDirectory>, Error>;
+	fn create(&self, name: &str, key: VaultKey) -> Result<Box<dyn VaultKeyDirectory>, Error>;
 	/// Open existing vault with given key
-	fn open(&self, name: &str, key: VaultKey) -> Result<Box<VaultKeyDirectory>, Error>;
+	fn open(&self, name: &str, key: VaultKey) -> Result<Box<dyn VaultKeyDirectory>, Error>;
 	/// List all vaults
 	fn list_vaults(&self) -> Result<Vec<String>, Error>;
 	/// Get vault meta
@@ -77,7 +77,7 @@ pub trait VaultKeyDirectoryProvider {
 /// Vault directory
 pub trait VaultKeyDirectory: KeyDirectory {
 	/// Cast to `KeyDirectory`
-	fn as_key_directory(&self) -> &KeyDirectory;
+	fn as_key_directory(&self) -> &dyn KeyDirectory;
 	/// Vault name
 	fn name(&self) -> &str;
 	/// Get vault key

accounts/ethstore/src/accounts_dir/vault.rs

@@ -119,7 +119,7 @@ impl VaultDiskDirectory {
 }
 
 impl VaultKeyDirectory for VaultDiskDirectory {
-	fn as_key_directory(&self) -> &KeyDirectory {
+	fn as_key_directory(&self) -> &dyn KeyDirectory {
 		self
 	}
 

accounts/ethstore/src/ethstore.rs

@@ -36,12 +36,12 @@ pub struct EthStore {
 
 impl EthStore {
 	/// Open a new accounts store with given key directory backend.
-	pub fn open(directory: Box<KeyDirectory>) -> Result<Self, Error> {
+	pub fn open(directory: Box<dyn KeyDirectory>) -> Result<Self, Error> {
 		Self::open_with_iterations(directory, KEY_ITERATIONS as u32)
 	}
 
 	/// Open a new account store with given key directory backend and custom number of iterations.
-	pub fn open_with_iterations(directory: Box<KeyDirectory>, iterations: u32) -> Result<Self, Error> {
+	pub fn open_with_iterations(directory: Box<dyn KeyDirectory>, iterations: u32) -> Result<Self, Error> {
 		Ok(EthStore {
 			store: EthMultiStore::open_with_iterations(directory, iterations)?,
 		})
@@ -184,7 +184,7 @@ impl SecretStore for EthStore {
 		Ok(account.check_password(password))
 	}
 
-	fn copy_account(&self, new_store: &SimpleSecretStore, new_vault: SecretVaultRef, account: &StoreAccountRef, password: &Password, new_password: &Password) -> Result<(), Error> {
+	fn copy_account(&self, new_store: &dyn SimpleSecretStore, new_vault: SecretVaultRef, account: &StoreAccountRef, password: &Password, new_password: &Password) -> Result<(), Error> {
 		let account = self.get(account)?;
 		let secret = account.crypto.secret(password)?;
 		new_store.insert_account(new_vault, secret, new_password)?;
@@ -256,11 +256,11 @@ impl SecretStore for EthStore {
 
 /// Similar to `EthStore` but may store many accounts (with different passwords) for the same `Address`
 pub struct EthMultiStore {
-	dir: Box<KeyDirectory>,
+	dir: Box<dyn KeyDirectory>,
 	iterations: u32,
 	// order lock: cache, then vaults
 	cache: RwLock<BTreeMap<StoreAccountRef, Vec<SafeAccount>>>,
-	vaults: Mutex<HashMap<String, Box<VaultKeyDirectory>>>,
+	vaults: Mutex<HashMap<String, Box<dyn VaultKeyDirectory>>>,
 	timestamp: Mutex<Timestamp>,
 }
 
@@ -272,12 +272,12 @@ struct Timestamp {
 
 impl EthMultiStore {
 	/// Open new multi-accounts store with given key directory backend.
-	pub fn open(directory: Box<KeyDirectory>) -> Result<Self, Error> {
+	pub fn open(directory: Box<dyn KeyDirectory>) -> Result<Self, Error> {
 		Self::open_with_iterations(directory, KEY_ITERATIONS as u32)
 	}
 
 	/// Open new multi-accounts store with given key directory backend and custom number of iterations for new keys.
-	pub fn open_with_iterations(directory: Box<KeyDirectory>, iterations: u32) -> Result<Self, Error> {
+	pub fn open_with_iterations(directory: Box<dyn KeyDirectory>, iterations: u32) -> Result<Self, Error> {
 		let store = EthMultiStore {
 			dir: directory,
 			vaults: Mutex::new(HashMap::new()),

accounts/ethstore/src/import.rs

@@ -24,7 +24,7 @@ use dir;
 use Error;
 
 /// Import an account from a file.
-pub fn import_account(path: &Path, dst: &KeyDirectory) -> Result<Address, Error> {
+pub fn import_account(path: &Path, dst: &dyn KeyDirectory) -> Result<Address, Error> {
 	let key_manager = DiskKeyFileManager::default();
 	let existing_accounts = dst.load()?.into_iter().map(|a| a.address).collect::<HashSet<_>>();
 	let filename = path.file_name().and_then(|n| n.to_str()).map(|f| f.to_owned());
@@ -40,7 +40,7 @@ pub fn import_account(path: &Path, dst: &KeyDirectory) -> Result<Address, Error>
 }
 
 /// Import all accounts from one directory to the other.
-pub fn import_accounts(src: &KeyDirectory, dst: &KeyDirectory) -> Result<Vec<Address>, Error> {
+pub fn import_accounts(src: &dyn KeyDirectory, dst: &dyn KeyDirectory) -> Result<Vec<Address>, Error> {
 	let accounts = src.load()?;
 	let existing_accounts = dst.load()?.into_iter()
 		.map(|a| a.address)
@@ -64,7 +64,7 @@ pub fn read_geth_accounts(testnet: bool) -> Vec<Address> {
 }
 
 /// Import specific `desired` accounts from the Geth keystore into `dst`.
-pub fn import_geth_accounts(dst: &KeyDirectory, desired: HashSet<Address>, testnet: bool) -> Result<Vec<Address>, Error> {
+pub fn import_geth_accounts(dst: &dyn KeyDirectory, desired: HashSet<Address>, testnet: bool) -> Result<Vec<Address>, Error> {
 	let src = RootDiskDirectory::at(dir::geth(testnet));
 	let accounts = src.load()?;
 	let existing_accounts = dst.load()?.into_iter().map(|a| a.address).collect::<HashSet<_>>();

accounts/ethstore/src/secret_store.rs

@@ -118,7 +118,7 @@ pub trait SecretStore: SimpleSecretStore {
 	/// Imports existing JSON wallet
 	fn import_wallet(&self, vault: SecretVaultRef, json: &[u8], password: &Password, gen_id: bool) -> Result<StoreAccountRef, Error>;
 	/// Copies account between stores and vaults.
-	fn copy_account(&self, new_store: &SimpleSecretStore, new_vault: SecretVaultRef, account: &StoreAccountRef, password: &Password, new_password: &Password) -> Result<(), Error>;
+	fn copy_account(&self, new_store: &dyn SimpleSecretStore, new_vault: SecretVaultRef, account: &StoreAccountRef, password: &Password, new_password: &Password) -> Result<(), Error>;
 	/// Checks if password matches given account.
 	fn test_password(&self, account: &StoreAccountRef, password: &Password) -> Result<bool, Error>;
 

accounts/src/lib.rs

@@ -64,7 +64,7 @@ pub struct AccountProvider {
 	/// Address book.
 	address_book: RwLock<AddressBook>,
 	/// Accounts on disk
-	sstore: Box<SecretStore>,
+	sstore: Box<dyn SecretStore>,
 	/// Accounts unlocked with rolling tokens
 	transient_sstore: EthMultiStore,
 	/// When unlocking account permanently we additionally keep a raw secret in memory
@@ -80,7 +80,7 @@ fn transient_sstore() -> EthMultiStore {
 
 impl AccountProvider {
 	/// Creates new account provider.
-	pub fn new(sstore: Box<SecretStore>, settings: AccountProviderSettings) -> Self {
+	pub fn new(sstore: Box<dyn SecretStore>, settings: AccountProviderSettings) -> Self {
 		if let Ok(accounts) = sstore.accounts() {
 			for account in accounts.into_iter().filter(|a| settings.blacklisted_accounts.contains(&a.address)) {
 				warn!("Local Account {} has a blacklisted (known to be weak) address and will be ignored",

cli-signer/rpc-client/src/lib.rs

@@ -36,7 +36,7 @@ extern crate log;
 extern crate matches;
 
 /// Boxed future response.
-pub type BoxFuture<T, E> = Box<futures::Future<Item=T, Error=E> + Send>;
+pub type BoxFuture<T, E> = Box<dyn futures::Future<Item=T, Error=E> + Send>;
 
 #[cfg(test)]
 mod tests {

ethcore/private-tx/src/error.rs

@@ -138,7 +138,7 @@ pub enum Error {
 }
 
 impl error::Error for Error {
-	fn source(&self) -> Option<&(error::Error + 'static)> {
+	fn source(&self) -> Option<&(dyn error::Error + 'static)> {
 		match self {
 			Error::Io(e) => Some(e),
 			Error::Decoder(e) => Some(e),

ethcore/private-tx/src/lib.rs

@@ -63,7 +63,6 @@ extern crate transaction_pool as txpool;
 extern crate url;
 #[macro_use]
 extern crate log as ethlog;
-#[macro_use]
 extern crate ethabi_derive;
 #[macro_use]
 extern crate ethabi_contract;
@@ -205,17 +204,17 @@ impl Signer for KeyPairSigner {
 
 /// Manager of private transactions
 pub struct Provider {
-	encryptor: Box<Encryptor>,
+	encryptor: Box<dyn Encryptor>,
 	validator_accounts: HashSet<Address>,
 	signer_account: Option<Address>,
-	notify: RwLock<Vec<Weak<ChainNotify>>>,
+	notify: RwLock<Vec<Weak<dyn ChainNotify>>>,
 	transactions_for_signing: RwLock<SigningStore>,
 	transactions_for_verification: VerificationStore,
 	client: Arc<Client>,
 	miner: Arc<Miner>,
-	accounts: Arc<Signer>,
+	accounts: Arc<dyn Signer>,
 	channel: IoChannel<ClientIoMessage>,
-	keys_provider: Arc<KeyProvider>,
+	keys_provider: Arc<dyn KeyProvider>,
 	logging: Option<Logging>,
 	use_offchain_storage: bool,
 	state_storage: PrivateStateStorage,
@@ -234,12 +233,12 @@ impl Provider {
 	pub fn new(
 		client: Arc<Client>,
 		miner: Arc<Miner>,
-		accounts: Arc<Signer>,
-		encryptor: Box<Encryptor>,
+		accounts: Arc<dyn Signer>,
+		encryptor: Box<dyn Encryptor>,
 		config: ProviderConfig,
 		channel: IoChannel<ClientIoMessage>,
-		keys_provider: Arc<KeyProvider>,
-		db: Arc<KeyValueDB>,
+		keys_provider: Arc<dyn KeyProvider>,
+		db: Arc<dyn KeyValueDB>,
 	) -> Self {
 		keys_provider.update_acl_contract();
 		Provider {
@@ -268,11 +267,11 @@ impl Provider {
 	// TODO [ToDr] Don't use `ChainNotify` here!
 	// Better to create a separate notification type for this.
 	/// Adds an actor to be notified on certain events
-	pub fn add_notify(&self, target: Arc<ChainNotify>) {
+	pub fn add_notify(&self, target: Arc<dyn ChainNotify>) {
 		self.notify.write().push(Arc::downgrade(&target));
 	}
 
-	fn notify<F>(&self, f: F) where F: Fn(&ChainNotify) {
+	fn notify<F>(&self, f: F) where F: Fn(&dyn ChainNotify) {
 		for np in self.notify.read().iter() {
 			if let Some(n) = np.upgrade() {
 				f(&*n);

ethcore/private-tx/src/log.rs

@@ -186,13 +186,13 @@ impl LogsSerializer for FileLogsSerializer {
 /// Private transactions logging
 pub struct Logging {
 	logs: RwLock<HashMap<H256, TransactionLog>>,
-	logs_serializer: Arc<LogsSerializer>,
+	logs_serializer: Arc<dyn LogsSerializer>,
 	mono_time: MonoTime,
 }
 
 impl Logging {
 	/// Creates the logging object
-	pub fn new(logs_serializer: Arc<LogsSerializer>) -> Self {
+	pub fn new(logs_serializer: Arc<dyn LogsSerializer>) -> Self {
 		let mut logging = Logging {
 			logs: RwLock::new(HashMap::new()),
 			logs_serializer,

ethcore/private-tx/src/private_state_db.rs

@@ -25,12 +25,12 @@ use error::Error;
 
 /// Wrapper around local db with private state for sync purposes
 pub struct PrivateStateDB {
-	db: Arc<KeyValueDB>,
+	db: Arc<dyn KeyValueDB>,
 }
 
 impl PrivateStateDB {
 	/// Constructs the object
-	pub fn new(db: Arc<KeyValueDB>) -> Self {
+	pub fn new(db: Arc<dyn KeyValueDB>) -> Self {
 		PrivateStateDB {
 			db,
 		}
@@ -59,4 +59,4 @@ impl PrivateStateDB {
 	pub fn state_hash(&self, state: &Bytes) -> Result<H256, Error> {
 		Ok(KeccakHasher::hash(state))
 	}
-}
+}

ethcore/private-tx/src/state_store.rs

@@ -57,7 +57,7 @@ pub struct PrivateStateStorage {
 
 impl PrivateStateStorage {
 	/// Constructs the object
-	pub fn new(db: Arc<KeyValueDB>) -> Self {
+	pub fn new(db: Arc<dyn KeyValueDB>) -> Self {
 		PrivateStateStorage {
 			private_state_db: Arc::new(PrivateStateDB::new(db)),
 			requests: RwLock::new(Vec::new()),
@@ -162,4 +162,4 @@ impl PrivateStateStorage {
 			!delete_request
 		});
 	}
-}
+}

ethcore/service/src/service.rs

@@ -94,21 +94,21 @@ pub struct ClientService {
 	client: Arc<Client>,
 	snapshot: Arc<SnapshotService>,
 	private_tx: Arc<PrivateTxService>,
-	database: Arc<BlockChainDB>,
+	database: Arc<dyn BlockChainDB>,
 }
 
 impl ClientService {
 	/// Start the `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, EthcoreError>
@@ -173,7 +173,7 @@ impl ClientService {
 	}
 
 	/// Get general IO interface
-	pub fn register_io_handler(&self, handler: Arc<IoHandler<ClientIoMessage> + Send>) -> Result<(), IoError> {
+	pub fn register_io_handler(&self, handler: Arc<dyn IoHandler<ClientIoMessage> + Send>) -> Result<(), IoError> {
 		self.io_service.register_handler(handler)
 	}
 
@@ -198,12 +198,12 @@ 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> { self.database.clone() }
+	pub fn db(&self) -> Arc<dyn BlockChainDB> { self.database.clone() }
 
 	/// Shutdown the Client Service
 	pub fn shutdown(&self) {

ethcore/sync/src/chain/handler.rs

@@ -743,7 +743,7 @@ impl SyncHandler {
 		Ok(())
 	}
 
-	fn on_private_state_data(sync: &mut ChainSync, io: &mut SyncIo, peer_id: PeerId, r: &Rlp) -> Result<(), DownloaderImportError> {
+	fn on_private_state_data(sync: &mut ChainSync, io: &mut dyn SyncIo, peer_id: PeerId, r: &Rlp) -> Result<(), DownloaderImportError> {
 		if !sync.peers.get(&peer_id).map_or(false, |p| p.can_sync()) {
 			trace!(target: "sync", "{} Ignoring packet from unconfirmed/unknown peer", peer_id);
 			return Ok(());

ethcore/sync/src/chain/mod.rs

@@ -1382,7 +1382,7 @@ impl ChainSync {
 	}
 
 	/// Request private state from peers
-	pub fn request_private_state(&mut self, io: &mut SyncIo, hash: &H256) {
+	pub fn request_private_state(&mut self, io: &mut dyn SyncIo, hash: &H256) {
 		let private_state_peers = self.get_private_state_peers();
 		if private_state_peers.is_empty() {
 			error!(target: "privatetx", "Cannot request private state, no peers with private tx enabled available");

ethcore/sync/src/chain/requester.rs

@@ -100,7 +100,7 @@ impl SyncRequester {
 		SyncRequester::send_request(sync, io, peer_id, PeerAsking::SnapshotManifest, GetSnapshotManifestPacket, rlp.out());
 	}
 
-	pub fn request_private_state(sync: &mut ChainSync, io: &mut SyncIo, peer_id: PeerId, hash: &H256) {
+	pub fn request_private_state(sync: &mut ChainSync, io: &mut dyn SyncIo, peer_id: PeerId, hash: &H256) {
 		trace!(target: "privatetx", "{} <- GetPrivateStatePacket", peer_id);
 		let mut rlp = RlpStream::new_list(1);
 		rlp.append(hash);

ethcore/sync/src/chain/supplier.rs

@@ -356,7 +356,7 @@ impl SyncSupplier {
 	}
 
 	/// Respond to GetPrivateStatePacket
-	fn return_private_state(io: &SyncIo, r: &Rlp, peer_id: PeerId) -> RlpResponseResult {
+	fn return_private_state(io: &dyn SyncIo, r: &Rlp, peer_id: PeerId) -> RlpResponseResult {
 		let hash: H256 = r.val_at(0)?;
 		trace!(target: "privatetx", "{} -> GetPrivateStatePacket {:?}", peer_id, hash);
 		io.private_state().map_or(Ok(None), |db| {