ipfs.add : (Uint8Array | String) -> Promise CID // Uploads Uint8Array or String to IPFS
ipfs.get : CID -> Promise Uint8Array            // Gets Uint8Array from IPFS
ipfs.cat : CID -> Promise String                // Gets String from IPFS
ipfs.cid : (Uint8Array | String) -> Promise CID // Gets the CID without performing the upload

const IPFS = require("nano-ipfs-store");
const ipfs = IPFS.at("https://ipfs.infura.io:5001");
const assert = require("assert");

(async () => {

  // Upload raw data
  const data1 = new Uint8Array([0,1,3,7,15,31,63,127,255]);
  const cid1 = await ipfs.add(data1);

  // Recover it from returned CID
  const data2 = await ipfs.get(cid1);
  assert(JSON.stringify(data1) === JSON.stringify(data2));

  // Generate CID without uploading
  const cid2 = await ipfs.cid(data1);
  assert(cid1 === cid2);

  // Upload string
  assert(await ipfs.cat(await ipfs.add("foobar")) === "foobar");

  console.log("ok");

})();