text: /*!
   * blockchain/index.js - blockchain for bcoin
   * Copyright (c) 2014-2017, Christopher Jeffrey (MIT License).
   * https://github.com/bcoin-org/bcoin
   */
  
  'use strict';
  
  /**
   * @module blockchain
   */
  
  exports.ChainDB = require('./chaindb');
  exports.ChainEntry = require('./chainentry');
  exports.Chain = require('./chain');
  exports.common = require('./common');
  exports.layout = require('./layout');
  
  