Check the genesis hash in transactions regardless of era. (#3286)

* Check the genesis hash in transactions regardless of era.

* Fix check-fees, too.

* Undo.

* Subkey supports new signing.

* Remove unneeded type param.

* Bump tx version

* Build.

* Another build fix

* Build again

* Cleanup

* Another fix.

* Fix

* Fixes

* 6 second blocks.

* Fixes

* Build fix

* Fix

* Fix.

substrate/srml/staking/src/tests.rs

@@ -365,8 +365,8 @@ fn rewards_should_work() {
 		<Module<Test>>::add_reward_points_to_validator(1001, 10_000);
 
 		// Compute total payout now for whole duration as other parameter won't change
-		let total_payout = current_total_payout_for_duration(9*5);
-		assert!(total_payout > 10); // Test is meaningfull if reward something
+		let total_payout = current_total_payout_for_duration(9 * 5);
+		assert!(total_payout > 10); // Test is meaningful if reward something
 
 		// No reward yet
 		assert_eq!(Balances::total_balance(&2), init_balance_2);