trying out hypercore & discovery-swarm

readme.md

• first.js & second.js are in separate directories
• run node first.js
• copy key that is logged
• run node second.js <key>
• get this error in first.js:

Error: Signature does not verify
  at loop (/Users/sdv/node_modules/hypercore/lib/feed.js:264:19)
  at Feed._putRoots (/Users/sdv/node_modules/hypercore/lib/feed.js:238:3)
  at loop (/Users/sdv/node_modules/hypercore/lib/feed.js:195:10)
  at Feed.put (/Users/sdv/node_modules/hypercore/lib/feed.js:156:3)
  at write (/Users/sdv/node_modules/hypercore/lib/replicate.js:235:13)
  at Peer.onresponse (/Users/sdv/node_modules/hypercore/lib/replicate.js:147:43)
  at Peer.onmessage (/Users/sdv/node_modules/hypercore/lib/replicate.js:105:25)
  at Protocol._parse (/Users/sdv/node_modules/hypercore/lib/protocol.js:320:32)
  at parse (/Users/sdv/node_modules/hypercore/lib/protocol.js:75:10)
  at emitOne (events.js:90:13)

first.js

var hypercore = require('hypercore')
var swarm = require('discovery-swarm')
var level = require('level')

var db = level('./db')
var core = hypercore(db)

var sw = swarm({
  dns: {
    server: [
      'discovery1.publicbits.org',
      'discovery2.publicbits.org'
    ]
  },
  dht: true
})

core.list(function (err, list) {
  var key = !list.length ? null : list[0]
  var feed = core.createFeed({ key: key, secretKey: Buffer('1e2e3e4e5e6e7e8e1e2e3e4e5e6e7e8e1e2e3e4e5e6e7e8e1e2e3e4e5e6e7e8e') })

  sw.listen(3333)
  console.log('channel key:', feed.key.toString('hex'))
  sw.join(feed.key.toString('hex'))

  feed.on('upload', function (block, data) {
    console.log('uploaded block', block, data.toString())
  })

  feed.on('download', function (block, data) {
    console.log('downloaded block', block, data.toString())
  })

  sw.on('connection', function (connection) {
    console.log('found + connected to peer')
    connection.pipe(feed.replicate()).pipe(connection)
  })
})

second.js

var hypercore = require('hypercore')
var swarm = require('discovery-swarm')
var level = require('level')

var db = level('./db')
var core = hypercore(db)
var key = process.argv[2]
var feed = core.createFeed(key, { secretKey: Buffer('1e2e3e4e5e6e7e8e1e2e3e4e5e6e7e8e1e2e3e4e5e6e7e8e1e2e3e4e5e6e7e8e') })

var sw = swarm({
  dns: {
    server: [
      'discovery1.publicbits.org',
      'discovery2.publicbits.org'
    ]
  },
  dht: true
})

sw.listen(3334)
console.log('joining channel', key)
sw.join(key)

setTimeout(function () {
  feed.append(['pizza', 'supreme'], function () {
    console.log('appended two blocks')
  })
}, 3000)

feed.on('upload', function (block, data) {
  console.log('uploaded block', block, data.toString())
})

feed.on('download', function (block, data) {
  console.log('downloaded block', block, data.toString())
})

sw.on('connection', function (connection) {
  console.log('found + connected to peer')
  connection.pipe(feed.replicate()).pipe(connection)
})