private void createNewHeightManager(final QbftBlockHeader parentHeader) {
    currentHeightManager = qbftBlockHeightManagerFactory.create(parentHeader);
  }
Instantiates a new Qbft controller.

@param blockchain the blockchain
@param finalState the qbft final state
@param qbftBlockHeightManagerFactory the qbft block height manager factory
@param gossiper the gossiper
@param duplicateMessageTracker the duplicate message tracker
@param futureMessageBuffer the future message buffer
@param blockEncoder the block encoder
consensus/qbft-core/src/main/java/org/hyperledger/besu/consensus/qbft/core/statemachine/QbftController.java