Add transactions from retracted blocks back to the pool (#3562)

* Add transactions from retracted blocks back to the pool

* Line width

* Reverse retracted

substrate/core/service/src/lib.rs

@@ -238,6 +238,7 @@ macro_rules! new_impl {
 							&BlockId::hash(notification.hash),
 							&*client,
 							&*txpool,
+							&notification.retracted,
 						).map_err(|e| warn!("Pool error processing new block: {:?}", e))?;
 					}