Kraken Margin Trading

import ccxt from '../../js/ccxt.js';

console.log ('CCXT Version:', ccxt.version)

async function main () {

   const exchange = new ccxt.kraken ({
       "apiKey": "YOUR_API_KEY",
       "secret": "YOUR_SECRET",
   })

   console.log ('-----------------------------------------------------------')

   console.log ('Loading markets...')
   const markets = await exchange.loadMarkets ()
   console.log ('Markets loaded')

   // exchange.verbose = true // uncomment for debugging purposes

   try {

       const symbol = 'ETH/USDT'
           , market = exchange.market (symbol)
           , { base, quote } = market
           , type = 'market'
           , amount = market['limits']['amount']['min']
           , price = undefined
           , params = {
               'leverage': 2,
           }

       console.log ('-----------------------------------------------------------')

       // https://www.kraken.com/en-us/features/api#add-standard-order

       console.log ('Placing order...')
       let order = await exchange.createOrder (symbol, type, 'buy', amount, price, params)
       console.log ('Order placed:')
       console.log (order)

       console.log ('-----------------------------------------------------------')

       // https://www.kraken.com/en-us/features/api#get-open-positions

       console.log ('Fetching open positions...')
       const positionsParams = { 'docalcs': true }
       let openPositions = await exchange.fetchPositions (positionsParams)
       console.log ('Current positions:')
       console.log (openPositions)

       console.log ('-----------------------------------------------------------')

       console.log ('Fetching balance...')
       let balance = await exchange.fetchTotalBalance ()
       console.log ('Fetched balance:')
       console.log (base, balance[base], '(base)')
       console.log (quote, balance[quote], '(quote)')

       console.log ('-----------------------------------------------------------')

       console.log ('Closing the position...')
       order = await exchange.createOrder (symbol, type, 'sell', amount, price, params)
       console.log ('Got a response:')
       console.log (order)

       console.log ('-----------------------------------------------------------')

       console.log ('Fetching open positions again...')
       openPositions = await exchange.fetchPositions (positionsParams)
       console.log ('Current positions:')
       console.log (openPositions)

       console.log ('-----------------------------------------------------------')

       console.log ('Fetching balance...')
       balance = await exchange.fetchTotalBalance ()
       console.log ('Fetched balance:')
       console.log (base, balance[base], '(base)')
       console.log (quote, balance[quote], '(quote)')

   } catch (e) {

       console.log (e.constructor.name, e.message)
   }
}

main ()