const IlpPacket = require('ilp-packet')
const crypto = require('crypto')
function sha256(preimage) {
  return crypto.createHash('sha256').update(preimage).digest()
}

const fulfillment = crypto.randomBytes(32)
const condition = sha256(fulfillment)

const binaryPrepare = IlpPacket.serializeIlpPrepare({
  amount: '10',
  executionCondition: condition,
  destination: 'g.us.nexus.bob',
  data: Buffer.from('hello world'),
  expiresAt: new Date(new Date().getTime() + 10000),
})

const binaryFulfill = IlpPacket.serializeIlpFulfill({
  fulfillment,
  data: Buffer.from('thank you'),
})

const binaryReject = IlpPacket.serializeIlpReject({
  code: 'F00',
  triggeredBy: 'g.us.nexus.gateway',
  message: 'more details, human-readable',
  data: Buffer.from('more details, machine-readable'),
})