Keep all enacted blocks notify in order (#8524)

* Keep all enacted blocks notify in order

* Collect is unnecessary

* Update ChainNotify to use ChainRouteType

* Fix all ethcore fn defs

* Wrap the type within ChainRoute

* Fix private-tx and sync api

* Fix secret_store API

* Fix updater API

* Fix rpc api

* Fix informant api

* Eagerly cache enacted/retracted and remove contain_enacted/retracted

* Fix indent

* tests: should use full expr form for struct constructor

* Use into_enacted_retracted to further avoid copy

* typo: not a function

* rpc/tests: ChainRoute -> ChainRoute::new

ethcore/sync/src/api.rs

@@ -25,7 +25,7 @@ use network::{NetworkProtocolHandler, NetworkContext, HostInfo, PeerId, Protocol
 use ethereum_types::{H256, H512, U256};
 use io::{TimerToken};
 use ethcore::ethstore::ethkey::Secret;
-use ethcore::client::{BlockChainClient, ChainNotify, ChainMessageType};
+use ethcore::client::{BlockChainClient, ChainNotify, ChainRoute, ChainMessageType};
 use ethcore::snapshot::SnapshotService;
 use ethcore::header::BlockNumber;
 use sync_io::NetSyncIo;
@@ -409,8 +409,7 @@ impl ChainNotify for EthSync {
 	fn new_blocks(&self,
 		imported: Vec<H256>,
 		invalid: Vec<H256>,
-		enacted: Vec<H256>,
-		retracted: Vec<H256>,
+		route: ChainRoute,
 		sealed: Vec<H256>,
 		proposed: Vec<Bytes>,
 		_duration: Duration)
@@ -424,8 +423,8 @@ impl ChainNotify for EthSync {
 				&mut sync_io,
 				&imported,
 				&invalid,
-				&enacted,
-				&retracted,
+				route.enacted(),
+				route.retracted(),
 				&sealed,
 				&proposed);
 		});