const lightningOpts = {
  lnddir: ..., // data directory of the lightning node
  rpcPort: ..., // only needed for LND
  address: ..., // format <host>:<port>
  network: ..., // mainnet / testnet / regtest
  implementation: ... // 'c-lightning' or 'lnd'
}

const paymentCard = {
  payto: 'dazaartest22',
  currency: 'LightningBTC', // may also be LightningSats
  amount: '0.002',
  unit: 'hours',
  interval: 1
}

const Payment = require('dazaar-payment-lightning')
const market = require('dazaar/market')
const hypercore = require('hypercore')

const m = market('./tmp')
const feed = hypercore('./tmp/data')

let payment

// instantiate a seller for a feed and equip it
// with a validate function
const seller = m.sell(feed, {
  validate (remoteKey, cb) {
    payee.validate(remoteKey, cb)
  }
})

seller.ready(function (err) {
  payment = new Payment(seller, paymentCard, lightningOpts)
  
  // payment now set up. dazaar logic follows ... 
})

// instantiate a buyer for a specific feed 
const buyer = m.buy(seller.key)

// set up pay payment linked to the buyer
const payment = new Payment(buyer, lightningOpts)

// buy an amount of feed
payment..buy(800, cb)

{
  lnddir: ..., // data directory of the lightning node
  rpcPort: ..., // only needed for LND
  address: ..., // format <host>:<port>
  network: ..., // mainnet / testnet / regtest
  implementation: ... // 'c-lightning' or 'lnd'
}