arweave_bundles.js

const Arweave = require("arweave");
const { bundleAndSignData, createData, ArweaveSigner } = require("arbundles");
const fs = require("fs");

const jwk = JSON.parse(fs.readFileSync("./jwk.json", { encoding: "utf8" }));

const arweave = Arweave.init({
  host: "arweave.net", //arweave.dev
  port: 443,
  protocol: "https",
});

const bundle = async () => {
  const signer = new ArweaveSigner(jwk);
  const items = [];

  const data = fs.readFileSync("image.jpg");
  const item = createData(data, signer, {
    tags: [{ name: "Content-Type", value: "image/jpeg" }],
  });
  item.sign(signer);
  items.push(item);

  const bundle = await bundleAndSignData(items, signer);
  console.log(bundle.getIds());

  const tx = await bundle.toTransaction(arweave, jwk);

  let price = +tx.reward;
  price *= 10;
  tx.reward = price.toString();

  await arweave.transactions.sign(tx, jwk);
  // await arweave.transactions.post(tx);

  const uploader = await arweave.transactions.getUploader(tx);

  while (!uploader.isComplete) {
    await uploader.uploadChunk();
  }
};

bundle();