IPC (feature-gated) (#1654)

* moving ipc deriving to trait

* refactoring of the client

* all compiled

* proved all working

* warnings purged

* allow hypervisor to specify initialization payload in two ways

* using binary initialisation payload for sync

* some docs

* logger to separate crate

* log settings for sync bin

* forwarding logging arguments to the sync

sync/src/api.rs

@@ -32,6 +32,7 @@ use parking_lot::RwLock;
 pub const ETH_PROTOCOL: &'static str = "eth";
 
 /// Sync configuration
+#[derive(Debug, Clone)]
 pub struct SyncConfig {
 	/// Max blocks to download ahead
 	pub max_download_ahead_blocks: usize,
@@ -272,3 +273,9 @@ impl From<BasicNetworkConfiguration> for NetworkConfiguration {
 		}
 	}
 }
+
+#[derive(Debug, Binary, Clone)]
+pub struct ServiceConfiguration {
+	pub sync: SyncConfig,
+	pub net: NetworkConfiguration,
+}