diff --git a/ethcore/build.rs b/ethcore/build.rs
index 9f61851d4..25b559b43 100644
--- a/ethcore/build.rs
+++ b/ethcore/build.rs
@@ -44,4 +44,18 @@ fn main() {
 		codegen::register(&mut registry);
 		registry.expand("", &intermediate, &dst).unwrap();
 	}
+
+	// chain notify interface
+	{
+		let src = Path::new("src/client/chain_notify.rs");
+		let intermediate = Path::new(&out_dir).join("chain_notify.intermediate.rs.in");
+		let mut registry = syntex::Registry::new();
+		codegen::register(&mut registry);
+		registry.expand("", &src, &intermediate).unwrap();
+
+		let dst = Path::new(&out_dir).join("chain_notify.ipc.rs");
+		let mut registry = syntex::Registry::new();
+		codegen::register(&mut registry);
+		registry.expand("", &intermediate, &dst).unwrap();
+	}
 }
diff --git a/ethcore/src/client/chain_notify.rs b/ethcore/src/client/chain_notify.rs
index 2b1d8d562..966388f9a 100644
--- a/ethcore/src/client/chain_notify.rs
+++ b/ethcore/src/client/chain_notify.rs
@@ -15,8 +15,13 @@
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
 use util::numbers::*;
+use ipc::{IpcConfig, BinaryConvertError};
+use std::sync::Arc;
+use std::collections::VecDeque;
+use std::mem;
 
 /// Represents what has to be handled by actor listening to chain events
+#[derive(Ipc)]
 pub trait ChainNotify : Send + Sync {
 	/// fires when chain has new blocks
 	fn new_blocks(&self,
@@ -38,3 +43,5 @@ pub trait ChainNotify : Send + Sync {
 		// does nothing by default
 	}
 }
+
+impl IpcConfig<ChainNotify> for Arc<ChainNotify> { }
diff --git a/ethcore/src/client/mod.rs b/ethcore/src/client/mod.rs
index a7ad99e80..b8426c9f3 100644
--- a/ethcore/src/client/mod.rs
+++ b/ethcore/src/client/mod.rs
@@ -20,7 +20,6 @@ mod config;
 mod error;
 mod test_client;
 mod trace;
-mod chain_notify;
 
 pub use self::client::*;
 pub use self::config::{Mode, ClientConfig, DatabaseCompactionProfile, BlockQueueConfig, BlockChainConfig, Switch, VMType};
@@ -60,6 +59,13 @@ pub mod client {
 	include!(concat!(env!("OUT_DIR"), "/client.ipc.rs"));
 }
 
+pub mod chain_notify {
+	//! Chain notify interface
+
+	#![allow(dead_code, unused_assignments, unused_variables, missing_docs)] // codegen issues
+	include!(concat!(env!("OUT_DIR"), "/chain_notify.ipc.rs"));
+}
+
 /// Blockchain database client. Owns and manages a blockchain and a block queue.
 pub trait BlockChainClient : Sync + Send {
 
diff --git a/parity/io_handler.rs b/parity/io_handler.rs
index da989a000..d0b33a470 100644
--- a/parity/io_handler.rs
+++ b/parity/io_handler.rs
@@ -17,7 +17,7 @@
 use std::sync::Arc;
 use ethcore::client::Client;
 use ethcore::service::ClientIoMessage;
-use ethsync::{EthSync, SyncProvider, ManageNetwork};
+use ethsync::{SyncProvider, ManageNetwork};
 use ethcore::account_provider::AccountProvider;
 use util::{TimerToken, IoHandler, IoContext};
 
@@ -27,7 +27,8 @@ const INFO_TIMER: TimerToken = 0;
 
 pub struct ClientIoHandler {
 	pub client: Arc<Client>,
-	pub sync: Arc<EthSync>,
+	pub sync: Arc<SyncProvider>,
+	pub net: Arc<ManageNetwork>,
 	pub accounts: Arc<AccountProvider>,
 	pub info: Informant,
 }
@@ -40,7 +41,7 @@ impl IoHandler<ClientIoMessage> for ClientIoHandler {
 	fn timeout(&self, _io: &IoContext<ClientIoMessage>, timer: TimerToken) {
 		if let INFO_TIMER = timer {
 			let sync_status = self.sync.status();
-			let network_config = self.sync.network_config();
+			let network_config = self.net.network_config();
 			self.info.tick(&self.client, Some((sync_status, network_config)));
 		}
 	}
diff --git a/parity/main.rs b/parity/main.rs
index b25603922..ebd982b25 100644
--- a/parity/main.rs
+++ b/parity/main.rs
@@ -85,12 +85,11 @@ use rustc_serialize::hex::FromHex;
 use ctrlc::CtrlC;
 use util::{H256, ToPretty, PayloadInfo, Bytes, Colour, Applyable, version, journaldb};
 use util::panics::{MayPanic, ForwardPanic, PanicHandler};
-use ethcore::client::{BlockID, BlockChainClient, ClientConfig, get_db_path, BlockImportError,
-	ChainNotify, Mode};
+use ethcore::client::{BlockID, BlockChainClient, ClientConfig, get_db_path, BlockImportError, Mode};
 use ethcore::error::{ImportError};
 use ethcore::service::ClientService;
 use ethcore::spec::Spec;
-use ethsync::{EthSync, NetworkConfiguration};
+use ethsync::{NetworkConfiguration};
 use ethcore::miner::{Miner, MinerService, ExternalMiner};
 use migration::migrate;
 use informant::Informant;
@@ -249,27 +248,32 @@ fn execute_client(conf: Configuration, spec: Spec, client_config: ClientConfig)
 	let network_settings = Arc::new(conf.network_settings());
 
 	// Sync
-	let sync = EthSync::new(sync_config, client.clone(), NetworkConfiguration::from(net_settings))
-		.unwrap_or_else(|e| die_with_error("Sync", ethcore::error::Error::Util(e)));
-	service.set_notify(&(sync.clone() as Arc<ChainNotify>));
+	let (sync_provider, manage_network, chain_notify) =
+		modules::sync(sync_config, NetworkConfiguration::from(net_settings), client.clone())
+			.unwrap_or_else(|e| die_with_error("Sync", e));
+//
+//	let sync = EthSync::new(sync_config, client.clone(), NetworkConfiguration::from(net_settings))
+//		.unwrap_or_else(|e| die_with_error("Sync", ethcore::error::Error::Util(e)));
+	service.set_notify(&chain_notify);
 
 	// if network is active by default
 	if match conf.mode() { Mode::Dark(..) => false, _ => !conf.args.flag_no_network } {
-		sync.start();
+		chain_notify.start();
 	}
 
 	let deps_for_rpc_apis = Arc::new(rpc_apis::Dependencies {
 		signer_port: conf.signer_port(),
 		signer_queue: Arc::new(rpc_apis::ConfirmationsQueue::default()),
 		client: client.clone(),
-		sync: sync.clone(),
+		sync: sync_provider.clone(),
+		net: manage_network.clone(),
 		secret_store: account_service.clone(),
 		miner: miner.clone(),
 		external_miner: external_miner.clone(),
 		logger: logger.clone(),
 		settings: network_settings.clone(),
 		allow_pending_receipt_query: !conf.args.flag_geth,
-		net_service: sync.clone(),
+		net_service: manage_network.clone(),
 	});
 
 	let dependencies = rpc::Dependencies {
@@ -317,7 +321,8 @@ fn execute_client(conf: Configuration, spec: Spec, client_config: ClientConfig)
 	let io_handler = Arc::new(ClientIoHandler {
 		client: service.client(),
 		info: Informant::new(conf.have_color()),
-		sync: sync.clone(),
+		sync: sync_provider.clone(),
+		net: manage_network.clone(),
 		accounts: account_service.clone(),
 	});
 	service.register_io_handler(io_handler).expect("Error registering IO handler");
diff --git a/parity/modules.rs b/parity/modules.rs
index 04e74bf20..e0960dc6e 100644
--- a/parity/modules.rs
+++ b/parity/modules.rs
@@ -20,17 +20,16 @@ use ethcore::client::{ChainNotify, BlockChainClient};
 use ethcore;
 
 #[cfg(feature="ipc")]
-fn sync(
+pub fn sync(
 	sync_cfg: SyncConfig,
 	net_cfg: NetworkConfiguration,
 	client: Arc<BlockChainClient>)
 	-> Result<(Arc<SyncProvider>, Arc<ManageNetwork>, Arc<ChainNotify>), ethcore::error::Error>
 {
-
 }
 
 #[cfg(not(feature="ipc"))]
-fn sync(
+pub fn sync(
 	sync_cfg: SyncConfig,
 	net_cfg: NetworkConfiguration,
 	client: Arc<BlockChainClient>)
diff --git a/parity/rpc_apis.rs b/parity/rpc_apis.rs
index 16ba2e8cb..5670d7c94 100644
--- a/parity/rpc_apis.rs
+++ b/parity/rpc_apis.rs
@@ -18,7 +18,7 @@ use std::collections::BTreeMap;
 use std::str::FromStr;
 use std::sync::Arc;
 
-use ethsync::{EthSync, ManageNetwork};
+use ethsync::{ManageNetwork, SyncProvider};
 use ethcore::miner::{Miner, ExternalMiner};
 use ethcore::client::Client;
 use util::RotatingLogger;
@@ -76,7 +76,8 @@ pub struct Dependencies {
 	pub signer_port: Option<u16>,
 	pub signer_queue: Arc<ConfirmationsQueue>,
 	pub client: Arc<Client>,
-	pub sync: Arc<EthSync>,
+	pub sync: Arc<SyncProvider>,
+	pub net: Arc<ManageNetwork>,
 	pub secret_store: Arc<AccountProvider>,
 	pub miner: Arc<Miner>,
 	pub external_miner: Arc<ExternalMiner>,
diff --git a/parity/sync/main.rs b/parity/sync/main.rs
index 563ef0c4a..8b98bdcb6 100644
--- a/parity/sync/main.rs
+++ b/parity/sync/main.rs
@@ -28,11 +28,11 @@ extern crate ethcore;
 extern crate ethcore_util as util;
 
 use std::sync::Arc;
-use hypervisor::{HypervisorServiceClient, CLIENT_MODULE_ID, SYNC_MODULE_ID, HYPERVISOR_IPC_URL};
+use hypervisor::{HypervisorServiceClient, SYNC_MODULE_ID, HYPERVISOR_IPC_URL};
 use ctrlc::CtrlC;
 use std::sync::atomic::*;
 use docopt::Docopt;
-use ethcore::client::{BlockChainClient, RemoteClient};
+use ethcore::client::{RemoteClient, ChainNotify};
 use nanoipc::*;
 use ethsync::{SyncProvider, SyncConfig, EthSync, ManageNetwork, NetworkConfiguration};
 use std::thread;
@@ -74,7 +74,7 @@ impl Args {
 		let mut sync_config = SyncConfig::default();
 		sync_config.network_id = U256::from_str(&self.arg_network_id).unwrap();
 
-		let mut network_config = NetworkConfiguration {
+		let network_config = NetworkConfiguration {
 			udp_port: self.flag_udp_port,
 			nat_enabled: self.arg_nat_enabled,
 			boot_nodes: self.flag_boot_nodes,
@@ -106,8 +106,6 @@ fn run_service<T: ?Sized + Send + Sync + 'static>(addr: &str, stop_guard: Arc<At
 }
 
 fn main() {
-	use std::ops::Deref;
-
 	let args: Args = Docopt::new(USAGE)
 		.and_then(|d| d.decode())
 		.unwrap_or_else(|e| e.exit());
@@ -121,6 +119,7 @@ fn main() {
 
 	run_service("ipc:///tmp/parity-sync.ipc", stop.clone(), &(sync.clone() as Arc<SyncProvider>));
 	run_service("ipc:///tmp/parity-manage-net.ipc", stop.clone(), &(sync.clone() as Arc<ManageNetwork>));
+	run_service("ipc:///tmp/parity-sync-notify.ipc", stop.clone(), &(sync.clone() as Arc<ChainNotify>));
 
 	let hypervisor_client = nanoipc::init_client::<HypervisorServiceClient<_>>(HYPERVISOR_IPC_URL).unwrap();
 	hypervisor_client.handshake().unwrap();
diff --git a/rpc/src/v1/impls/eth.rs b/rpc/src/v1/impls/eth.rs
index 9133393e9..58872666f 100644
--- a/rpc/src/v1/impls/eth.rs
+++ b/rpc/src/v1/impls/eth.rs
@@ -46,7 +46,7 @@ use v1::impls::{default_gas_price, dispatch_transaction, error_codes};
 use serde;
 
 /// Eth rpc implementation.
-pub struct EthClient<C, S, M, EM> where
+pub struct EthClient<C, S: ?Sized, M, EM> where
 	C: MiningBlockChainClient,
 	S: SyncProvider,
 	M: MinerService,
@@ -61,7 +61,7 @@ pub struct EthClient<C, S, M, EM> where
 	allow_pending_receipt_query: bool,
 }
 
-impl<C, S, M, EM> EthClient<C, S, M, EM> where
+impl<C, S: ?Sized, M, EM> EthClient<C, S, M, EM> where
 	C: MiningBlockChainClient,
 	S: SyncProvider,
 	M: MinerService,
@@ -242,7 +242,7 @@ fn no_author_err() -> Error {
 	}
 }
 
-impl<C, S, M, EM> EthClient<C, S, M, EM> where
+impl<C, S: ?Sized, M, EM> EthClient<C, S, M, EM> where
 	C: MiningBlockChainClient + 'static,
 	S: SyncProvider + 'static,
 	M: MinerService + 'static,
@@ -255,7 +255,7 @@ impl<C, S, M, EM> EthClient<C, S, M, EM> where
 	}
 }
 
-impl<C, S, M, EM> Eth for EthClient<C, S, M, EM> where
+impl<C, S: ?Sized, M, EM> Eth for EthClient<C, S, M, EM> where
 	C: MiningBlockChainClient + 'static,
 	S: SyncProvider + 'static,
 	M: MinerService + 'static,
diff --git a/rpc/src/v1/impls/net.rs b/rpc/src/v1/impls/net.rs
index 20447ac92..0bbfeca6c 100644
--- a/rpc/src/v1/impls/net.rs
+++ b/rpc/src/v1/impls/net.rs
@@ -21,11 +21,11 @@ use ethsync::SyncProvider;
 use v1::traits::Net;
 
 /// Net rpc implementation.
-pub struct NetClient<S> where S: SyncProvider {
+pub struct NetClient<S: ?Sized> where S: SyncProvider {
 	sync: Weak<S>
 }
 
-impl<S> NetClient<S> where S: SyncProvider {
+impl<S: ?Sized> NetClient<S> where S: SyncProvider {
 	/// Creates new NetClient.
 	pub fn new(sync: &Arc<S>) -> Self {
 		NetClient {
@@ -34,7 +34,7 @@ impl<S> NetClient<S> where S: SyncProvider {
 	}
 }
 
-impl<S> Net for NetClient<S> where S: SyncProvider + 'static {
+impl<S: ?Sized> Net for NetClient<S> where S: SyncProvider + 'static {
 	fn version(&self, _: Params) -> Result<Value, Error> {
 		Ok(Value::String(format!("{}", take_weak!(self.sync).status().network_id).to_owned()))
 	}