15. GetDataOfCurrentConsensus to obtain detailed information on the current running consensus

*Example: http://127.0.0.1:8080/GetDataOfCurrentConsensus

*Return example:

When in idle state 
{
  "curBuddyNo":301,
  "nodeState":"idle"
}

When localbuddy returns chain data
{
  "curBuddyNo":301,
  "nodeState":"localBuddy",
  "blockNum":"3"
}