Prueba de concepto de Bigchain

gistfile1.txt

var orm = require('bigchaindb-orm');
const driver = require('bigchaindb-driver')
const bip39 = require('bip39')

var express = require('express');
var router = express.Router();

/* GET home page. */
router.get('/', function(req, res, next) {
  res.render('index', { title: 'Express'});
});

module.exports = router;

// connect to BigchainDB
// testnet using argenisleon@gmail.com account
const bdbOrm = new orm(
    "https://test.bigchaindb.com/api/v1/",
    {
        app_id: "85473aa3",
        app_key: "d9020f1367123b65ce60e37db97a1806"
    }
)
// define(<model name>,<additional information>)
// <model name>: represents the name of model you want to store
// <additional inf.>: any information you want to pass about the model (can be string or object)
// note: cannot be changed once set!
bdbOrm.define("crabModel", "https://schema.org/v1/crab")
// create a public and private key for Alice
//const aliceKeypair = new driver.Ed25519Keypair()
const aliceKeypair = new driver.Ed25519Keypair(bip39.mnemonicToSeed('seedPhrase').slice(0,32))

// Create
// Quizas debe guardarse el id de la trasaccion en la base de datos?
bdbOrm.crabModel
    .create({
        keypair: aliceKeypair,
        data: {
            // user_id : esto tenemos que explorarlo un poco mas ya que si borramos el
            // id del usuario de la base de datos se va a perder la referencia
            user_id : "argenisleon",
            authot: 'Argenis Leon',
            hash_image: 'Este debe ser el hash de la imagen',
            lat: '1.2131',
            lng:'3.1426',
            place:'',
            date:''
            url_image: 'aqui debe ir el hash de IPFS, de entrada al server'
        }
    })
    .then(crab => {
        // crab is an object with all data & functions
        // crab.id equals the id of the asset
        // crab.data is latest version
        // crab.transactionHistory gives the full history
        console.log(crab)
    })

//retrieve : id : 59adb0ac637bfd4e72638f91f551df19b9b20ca2cd61713d209e61ce8e0897bb
console.log('Retrieve')
bdbOrm.crabModel
    .retrieve('59adb0ac637bfd4e72638f91f551df19b9b20ca2cd61713d209e61ce8e0897bb')
    .then(crabs => {
        // crabs is an array of crabModel
        console.log(crabs.map(crab => crab.data))
    })

// update our retrieved crab
/*crab.append(
    {
        toPublicKey: aliceKeypair.publicKey,
        keypair: aliceKeypair,
        data: { color: 'red' }
    })
    .then(updatedCrab => {
        // updatedCrab contains the last (unspent) state
        // of our crab so any actions
        // need to be done to updatedCrab
        console.log(updatedCrab.data)
    })

// burn our retrieved crab
crab.burn(
    {
        keypair: aliceKeypair
    })
    .then(burnedCrab => {
        // crab is now tagged as "burned",
        // the new publicKey is randomized
        // and the corresponding privateKey "lost"
        console.log(burnedCrab.transactionHistory.reverse()
            .map(tx => tx.data))
    })*/