Binance Fetch Balance Snapshot Watch Balance Updates

// AUTO-TRANSPILE //

'use strict';

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

console.log ('CCXT Version:', ccxt.version); // eslint-disable-line import/no-named-as-default-member

// This example will run silent and will return your balance only when the balance is updated.
//
// 1. launch the example with your keys and keep it running
// 2. go to the trading section on the website
// 3. place a order on a spot market
// 4. see your balance updated in the example
//
// Warning! This example might produce a lot of output to your screen


async function watchBalance (exchange) {
   let balance = await exchange.fetchBalance ();
   console.log ('------------- Initial -------------');
   console.log (exchange.iso8601 (exchange.milliseconds ()));
   console.log (balance);
   while (true) { // eslint-disable-line no-constant-condition
       try {
           const update = await exchange.watchBalance ();
           balance = exchange.deep_extend (balance, update);
           // it will print the balance update when the balance changes
           // if the balance remains unchanged the exchange will not send it
           console.log ('------------- Update -------------');
           console.log (exchange.iso8601 (exchange.milliseconds ()));
           console.log (balance);
       } catch (e) {
           console.log (e);
           break;
       }
   }
}


async function main () {
   const exchange = new ccxt.pro.binance ({ // eslint-disable-line import/no-named-as-default-member
       'apiKey': 'YOUR_API_KEY',
       'secret': 'YOUR_SECRET',
   });
   await exchange.loadMarkets ();
   // exchange.verbose = true // uncomment for debugging purposes if necessary
   await watchBalance (exchange);
   await exchange.close ();
}

main ();