sdexstash.js

const publicAddress =
  'XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX';

async function findAssets(address) {
  const resp = await fetch(`https://horizon.stellar.org/accounts/${address}`);
  const json = await resp.json();
  return json['balances'].filter(balance => balance['asset_type'] != 'native');
}

async function printBalances(assets) {
  let total = 0;
  Promise.all(
    assets.map(async asset => {
      const resp = await fetch(
        `https://horizon.stellar.org/trade_aggregations?counter_asset_type=native&base_asset_code=${
          asset['asset_code']
        }&base_asset_issuer=${asset['asset_issuer']}&base_asset_type=${
          asset['asset_type']
        }&limit=1&order=desc&resolution=300000`,
      );
      const json = await resp.json();
      const tokenPrice = json['_embedded']['records'][0]['close'];
      const price =
        parseFloat(tokenPrice, 10) * parseFloat(asset['balance'], 10);
      total += price;
      console.log(`${asset['asset_code']}: ${price}XLM`);
    }),
  ).then(() => {
    console.log(`\nTOTAL: ${total}XLM`);
  });
}

findAssets(publicAddress).then(printBalances);