close positions

close_order.js

'use strict'

/**
 * Test steps
 *
 * Create a position with dust amount:
 *  1. Put $10 in margin wallet
 *  (in Order form, switch to margin tab)
 *  2. Place market order for BTC, amount 0.001. Click buy button
 * 3. You will see the position
 * 4. Place a market order for btc, amount 0.00099999. Click sell button
 * 5. Remaining position size is 0.00000001
 *
 * Create a position close order with bitfinex-api-node:
 * 1. put this script in `bitfinex-api-node/examples/ws2/close_orders.js`
 * (this scrpit is modified from examples/ws2/orders.js)
 * 2. switch to examples folder. Add .env with API_KEY and API_SECRET
 * 3. run this script with node close_order.js
 *
 */

process.env.DEBUG = 'bfx:examples:*'

const debug = require('debug')('bfx:examples:ws2_orders')
const { Order } = require('bfx-api-node-models')
const bfx = require('../bfx')
const ws = bfx.ws(2)

ws.on('error', (err) => {
  console.log(err)
})

ws.on('open', () => {
  debug('open')
  ws.auth()
})

ws.once('auth', () => {
  debug('authenticated')

  // Build new order
  // const o = new Order({
  //   cid: Date.now(),
  //   symbol: 'tBTCUSD',
  //   price: 589.10,
  //   amount: -0.02,
  //   type: Order.type.EXCHANGE_LIMIT
  // }, ws)
  const o = new Order({
    // cid: Date.now(),
    symbol: 'tBTCUSD',
    amount: -1e-8, // counter amount
    type: Order.type.MARKET,
    flags: 512,
  }, ws)

  let closed = false

  // Enable automatic updates
  o.registerListeners()

  o.on('update', () => {
    debug('order updated: %j', o.serialize())
  })

  o.on('close', () => {
    debug('order closed: %s', o.status)
    closed = true
  })

  debug('submitting order %d', o.cid)

  o.submit().then(() => {
    debug('got submit confirmation for order %d [%d]', o.cid, o.id)

    // wait a bit...
    setTimeout(() => {
      if (closed) return

      debug('canceling...')

      // o.cancel().then(() => {
      //   debug('got cancel confirmation for order %d', o.cid)
      //   ws.close()
      // }).catch((err) => {
      //   debug('error cancelling order: %j', err)
      //   ws.close()
      // })
      ws.close()
    }, 2000)
  }).catch((err) => {
    console.log(err)
    ws.close()
  })
})

ws.open()