Kraken Create And Close Position

// @ts-nocheck
import ccxt from '../../js/ccxt.js';
// AUTO-TRANSPILE //
console.log('CCXT Version:', ccxt.version);
// ------------------------------------------------------------------------------
async function example() {
   const exchange = new ccxt.kraken({
       "apiKey": "YOUR_API_KEY",
       "secret": "YOUR_API_SECRET",
   });
   const symbol = 'UNI/USD';
   let side = 'buy'; // set it to 'buy' for a long position, 'sell' for a short position
   const order_type = 'market'; // set it to 'market' or 'limit'
   const amount = 1;
   const leverage = 2;
   await exchange.loadMarkets();
   const market = exchange.market(symbol);
   // if order_type is 'market', then price is not needed
   let price = undefined;
   // if order_type is 'limit', then set a price at your desired level
   // you can fetch the ticker and update price
   // const ticker = await exchange.fetchTicker (symbol);
   // const last_price = ticker['last'];
   // const ask_price = ticker['ask'];
   // const bid_price = ticker['bid'];
   // if (order_type === 'limit') {
   //     price = (side === 'buy') ? bid_price * 0.95 : ask_price * 1.05; // i.e. 5% from current price
   // }
   const params = {
       'leverage': leverage,
   };
   // log
   console.log('Going to open a position', 'for', amount, 'worth', amount, market['base'], '~', market['settle'], 'using', side, order_type, 'order (', (order_type === 'limit' ? exchange.priceToPrecision(symbol, price) : ''), '), using the following params:');
   console.log(params);
   console.log('-----------------------------------------------------------------------');
   // exchange.verbose = True  // uncomment for debugging purposes if necessary
   try {
       const created_order = await exchange.createOrder(symbol, order_type, side, amount, price, params);
       console.log("Created an order", created_order);
       // Fetch all your closed orders for this symbol (because we used market order)
       // - use 'fetchClosedOrders' or 'fetchOrders' and filter with 'closed' status
       const all_closed_orders = await exchange.fetchClosedOrders(symbol);
       console.log("Fetched all your closed orders for this symbol", all_closed_orders);
       const all_open_positions = await exchange.fetchPositions(symbol);
       console.log("Fetched all your positions for this symbol", all_open_positions);
       // To close a position:
       // - long position (buy), you can create a sell order: exchange.createOrder (symbol, order_type, 'sell', amount, price, params);
       // - short position (sell), you can create a buy order: exchange.createOrder (symbol, order_type, 'buy', amount, price, params);
   }
   catch (e) {
       console.log(e.toString());
   }
}
await example();