test.js

const Ethash = require('./')
const levelup = require('levelup')
const memdown = require('memdown')

Ethash.prototype.verifySubmit = function (number, headerHash, nonce, cb) {
  var self = this
  console.log(number);
  this.loadEpoc(number, function () {
    console.log("EPOC set");
    console.log(self.seed.toString('hex'));
    var a = self.run(headerHash, new Buffer(nonce, 'hex'));
    cb(a.hash);
  })
}


var cacheDB = levelup('', {
  db: memdown
})

var ethash = new Ethash(cacheDB);

var header = Buffer('0e2887aa1a0668bf8254d1a6ae518927de99e3e5d7f30fd1f16096e2608fe05e', 'hex');

ethash.verifySubmit(35414, header, 'e360b6170c229d15', function (result) {
  console.log(result.toString('hex'));
});