testing();
function testing() {
  let promised = fetch(api_url + 'getnodes').
  then(resp => resp.json()).
  then(obj => {
    document.getElementById('json').innerText = JSON.stringify(obj.api);

    if (typeof(obj.api) != 'undefined') {
      let list = '<ol>';
      for (let item of obj.api) {
        console.log('test.item:',item);
        let url = api_url + `getcas?addr=${item}`;
        list += `<li><a href="${url}">${item}</a></li>\n`
      }
      list += '</ol>';
      document.getElementById('list').innerHTML = list;
    }

    return obj;
  }).
  catch(console.error);  
  promised.then(obj => { console.log('obj:',obj); return obj; });

}

// ----------------------------------------------------
console.log('txpool.js loaded');