Function saveWithRetry

scripts/tx_sync.js:427–438

(resource, arg1, arg2)

// This retries a `save` call if we get an error like:
//  500 - Something went wrong, please try again
function saveWithRetry(resource, arg1, arg2) {
  return resource.save(arg1, arg2)
    .catch(err => {
      console.error(err);
      if (err.statusCode === 500 || err.statusCode === 429 || err.code === 'ETIMEDOUT') {  // server error or rate limit
        return new Promise(r => setTimeout(r, 10000))          // wait 10 sec
          .then(() => saveWithRetry(resource, arg1, arg2));    // try again
      } else {
        throw err;
      }
    });
}