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import ba from 'bitcoinaverage'
import bcrypt from 'bcrypt'
import bitcoin from 'bitcoinjs-lib'
import bodyParser from 'body-parser'
import compression from 'compression'
import cookieParser from 'cookie-parser'
import cors from 'cors'
import dotenv from 'dotenv'
import express from 'express'
import fs from 'fs'
import grpc from 'grpc'
import jwt from 'jsonwebtoken'
import reverse from 'buffer-reverse'
import zmq from 'zmq'
import cache from './cache'
import { graphqlExpress, graphiqlExpress } from 'apollo-server-express'
dotenv.config()
const l = console.log
;(async () => {
const restClient = ba.restfulClient(process.env.BITCOINAVERAGE_PUBLIC, process.env.BITCOINAVERAGE_SECRET)
const lna = await require('lnrpc')({ server: 'localhost:10001', tls: '/home/adam/.lnd.testa/tls.cert' })
const maca = fs.readFileSync('/home/adam/.lnd.testa/admin.macaroon')
const meta = new grpc.Metadata()
meta.add('macaroon', maca.toString('hex'))
lna.meta = meta
const lnb = await require('lnrpc')({ server: 'localhost:10002', tls: '/home/adam/.lnd.testb/tls.cert' })
const macb = fs.readFileSync('/home/adam/.lnd.testb/admin.macaroon')
const metab = new grpc.Metadata()
metab.add('macaroon', macb.toString('hex'))
lnb.meta = metab
const db = await require('./db')(lna)
const passport = require('./passport')(db)
const auth = passport.authenticate('jwt', { session: false })
const app = express()
app.enable('trust proxy')
app.use(bodyParser.urlencoded({ extended: true }))
app.use(bodyParser.json())
app.use(cookieParser())
app.use(cors())
app.use(compression())
app.use(passport.initialize())
const server = require('http').createServer(app)
const io = require('socket.io').listen(server)
io.origins('http://localhost:8085')
const invoices = lna.subscribeInvoices({})
invoices.on('data', msg => {
io.emit('invoices', msg)
})
const invoicesb = lnb.subscribeInvoices({})
invoicesb.on('data', msg => {
io.emit('invoices', msg)
})
const zmqSock = zmq.socket('sub')
zmqSock.connect('tcp://127.0.0.1:18503')
zmqSock.subscribe('rawblock')
zmqSock.subscribe('rawtx')
zmqSock.on('message', async (topic, message, sequence) => {
const addresses = {}
await db['User'].findAll({
attributes: ['username', 'address'],
}).map(u => { addresses[u.address] = u.username })
topic = topic.toString('utf8')
message = message.toString('hex')
switch (topic) {
case 'rawtx': {
let tx = bitcoin.Transaction.fromHex(message)
let total = tx.outs.reduce((a, b) => a + b.value, 0)
l(total)
tx.outs.map(async o => {
try {
let address = bitcoin.address.fromOutputScript(o.script, bitcoin.networks.testnet)
l(address, o.value)
if (Object.keys(addresses).includes(address)) {
let user = await db['User'].findOne({
where: {
username: addresses[address],
}
})
user.balance += o.value
await user.save()
l('HIT!')
io.emit('tx', message)
}
} catch(e) { }
})
break
}
case 'rawblock': {
let block = bitcoin.Block.fromHex(message)
l(block.getHash())
break
}
}
})
app.post('/openchannel', async (req, res) => {
let user = await db['User'].findOne({
where: {
username: req.body.username,
}
})
let channel = lna.openChannelSync({
node_pubkey_string: '022ea315e5052b152579e70a90bacfd6aa7420f2ce94674d4ca8da29d709bc70fd',
local_funding_amount: user.balance,
}, async (err, data) => {
if (err) {
l(err)
return res.status(500).send(err)
}
user.balance = 0
user.channel = reverse(data.funding_txid).toString('hex')
await user.save()
res.json(data)
})
})
app.post('/sendPayment', auth, (req, res) => {
const payments = lna.sendPayment(meta, {})
payments.write({ payment_request: req.body.payreq })
payments.on('data', async m => {
req.user.channelbalance -= m.value
await req.user.save()
res.json(m)
})
})
app.post('/addInvoice', auth, async (req, res) => {
let invoice = await lnb.addInvoice({ value: req.body.amount })
await db.Invoice.create({
user_id: req.user.id,
payreq: invoice.payment_request,
})
res.json(invoice)
})
let fetchRates
(fetchRates = () => {
restClient.tickerGlobalPerSymbol('BTCCAD', (data) => {
app.set('rates', JSON.parse(data))
})
setTimeout(fetchRates, 120000)
})()
app.get('/rates', (req, res) => {
res.json(app.get('rates'))
})
app.post('/login', async (req, res) => {
try {
let user = await db.User.findOne({
where: {
username: req.body.username
}
})
let result = await bcrypt.compare(req.body.password, user.password)
if (result) {
let payload = { username: user.username }
let token = jwt.sign(payload, process.env.SECRET)
res.cookie('token', token, { expires: new Date(Date.now() + 9999999) })
res.json({ user, token })
} else {
res.status(401).end()
}
} catch(err) {
res.status(401).end()
}
})
app.get('/secret', passport.authenticate('jwt', { session: false }), (req, res) => {
res.json({message: 'Success! You can not see this without a token'})
})
app.get('/api/users/me',
passport.authenticate('basic', { session: false }),
function(req, res) {
res.json({ id: req.user.id, username: req.user.username });
});
app.use('/graphql', bodyParser.json(), graphqlExpress({
schema: db.gqlschema,
context: {},
tracing: true,
cacheControl: true,
}))
app.use('/graphiql', graphiqlExpress({ endpointURL: '/graphql' }))
app.use(function (err, req, res, next) {
res.status(500)
res.send('An error occurred')
l(err.stack)
return res.end()
})
server.listen(3000)
})()
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