Also, update LeaderScheduler's code to use node_id as well. Unfortuntely, no unit tests for this, because there's currently only one way to set staker_id/node_id, and they are both set to the same value.
Also, update LeaderScheduler's code to use node_id as well. Unfortuntely, no unit tests for this, because there's currently only one way to set staker_id/node_id, and they are both set to the same value.