/** Constructs a block chain connected to the given list of wallets and a store. */
 public FullPrunedBlockChain(
     Context context, List<Wallet> listeners, FullPrunedBlockStore blockStore)
     throws BlockStoreException {
   super(context, listeners, blockStore);
   this.blockStore = blockStore;
   // Ignore upgrading for now
   this.chainHead = blockStore.getVerifiedChainHead();
 }