websocket_web3_nodejs

    const privateKey = CryptoUtils.generatePrivateKey()
    const publicKey = CryptoUtils.publicKeyFromPrivateKey(privateKey)
    const client = getClient(privateKey, publicKey)
    const from = LocalAddress.fromPublicKey(publicKey).toString()
    const web3 = new Web3(new LoomProvider(client))
    this.user = from

    const ABI = [{"constant":false,"inputs":[{"name":"_postId","type":"uint256"},{"name":"_text","type":"string"}],"name":"newComment","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"","type":"uint256"}],"name":"posts","outputs":[{"name":"text","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"","type":"uint256"}],"name":"commentFromAccount","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_text","type":"string"}],"name":"newPost","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"hasPosts","outputs":[{"name":"_hasPosts","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"","type":"uint256"}],"name":"comments","outputs":[{"name":"text","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"},{"name":"","type":"uint256"}],"name":"postsFromAccount","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"","type":"uint256"},{"name":"","type":"uint256"}],"name":"commentsFromPost","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"anonymous":false,"inputs":[{"indexed":false,"name":"postId","type":"uint256"},{"indexed":false,"name":"owner","type":"address"},{"indexed":false,"name":"text","type":"string"}],"name":"NewPostAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"postId","type":"uint256"},{"indexed":false,"name":"commentId","type":"uint256"},{"indexed":false,"name":"owner","type":"address"},{"indexed":false,"name":"text","type":"string"}],"name":"NewCommentAdded","type":"event"}]
    const loomContractAddress = await client.getContractAddressAsync('SimpleSocialNetwork')
    const contractAddress = CryptoUtils.bytesToHexAddr(loomContractAddress.local.bytes)

    this._contract = new web3.eth.Contract(ABI, contractAddress, {from})
    this.ready = true

    this._contract.events.NewPostAdded({}, (err, event) => {
      if (this.onNewPostAdded) {
        this.onNewPostAdded(event.returnValues)
      }
    })

    this._contract.events.NewCommentAdded({}, (err, event) => {
      if (this.onNewCommentAdded) {
        this.onNewCommentAdded(event.returnValues)
      }
    })