Function fetchWithCache

utils/fetch.js:10–17

(url)

const cache = {};
export const fetchWithCache = async (url) => {
  if (cache[url]) {
    return cache[url];
  }
  const data = await fetch(url).then((res) => res.json());
  cache[url] = data;
  return data;
};

function removeEndingSlashObject(rpc) {
  if (typeof rpc === "string") {