text: const utils = require('./utils')
  const log = utils.logger('val & proof')
  const vrfjs = require('../lib')
  
  const {publicKey, privateKey} = utils.pair
  const m1 = Buffer.from('Message No.1')
  const m2 = Buffer.from('Message No.2')
  
  const r1 = vrfjs.ecvrf.vrf(publicKey, privateKey, m1)
  const r2 = vrfjs.ecvrf.vrf(publicKey, privateKey, m2)
  
  log(`value of "${m1}":`)
  log(r1.value.toString('hex'))
  log(`proof of "${m1}":`)
  log(r1.proof.toString('hex'))
  log(`value of "${m2}":`)
  log(r2.value.toString('hex'))
  log(`proof of "${m2}":`)
  log(r2.proof.toString('hex'))