@Override
  public boolean isEmpty() {
    return besuBlock.getHeader().getTransactionsRoot().equals(Hash.EMPTY_TRIE_HASH);
  }
Constructs a QbftBlock from a Besu Block.

@param besuBlock the Besu Block
consensus/qbft/src/main/java/org/hyperledger/besu/consensus/qbft/adaptor/QbftBlockAdaptor.java