WIP - feat: convergence (#94)

* feat: convergence

* structure examples

test/nodejs-bundle/utils.js

@@ -0,0 +1,43 @@
+/* eslint-env mocha */
+'use strict'
+
+const chai = require('chai')
+chai.use(require('dirty-chai'))
+const Node = require('./nodejs-bundle')
+const PeerInfo = require('peer-info')
+const PeerId = require('peer-id')
+const waterfall = require('async/waterfall')
+const pull = require('pull-stream')
+
+function createNode (multiaddrs, options, callback) {
+  if (typeof options === 'function') {
+    callback = options
+    options = {}
+  }
+
+  if (!Array.isArray(multiaddrs)) {
+    multiaddrs = [multiaddrs]
+  }
+
+  waterfall([
+    (cb) => PeerId.create({ bits: 1024 }, cb),
+    (peerId, cb) => PeerInfo.create(peerId, cb),
+    (peerInfo, cb) => {
+      multiaddrs.map((ma) => peerInfo.multiaddrs.add(ma))
+      cb(null, peerInfo)
+    },
+    (peerInfo, cb) => {
+      const node = new Node(peerInfo, undefined, options)
+      cb(null, node)
+    }
+  ], callback)
+}
+
+function echo (protocol, conn) {
+  pull(conn, conn)
+}
+
+module.exports = {
+  createNode: createNode,
+  echo: echo
+}