text: var assert = require('assert');
  
  function getEthers(filename) {
      var bcbjs = global.bcbjs
      if (!bcbjs) { return undefined; }
      console.log('Using global bcbjs; ' + filename);
      assert.equal(bcbjs.platform, 'browser', 'platform: ' + bcbjs.platform + ' != "browser"');
      return bcbjs;
  }
  
  module.exports = getEthers;
  