Simple Arweave Blog Tutorial

gistfile1.txt

const Arweave = require("arweave");
const fs = require("fs");
const path = require("path")
const argql = require("ar-gql")
const fetch = require("node-fetch");

const client = new Arweave({
  host: "arweave.net",
  port: 443,
  protocol: "https",
});

// feltöltjük a blogot

async function upload(name, author, content) {
  const key = JSON.parse(fs.readFileSync(path.join(__dirname, "./arweave.json")));

  const transaction = await client.createTransaction({
    data: content,
  }, key);

  transaction.addTag("Content-Type", "text/plain");
  transaction.addTag("App-Name", "Zsomblog");
  transaction.addTag("Blog-Name", name);
  transaction.addTag("Blog-Author", author);

  await client.transactions.sign(transaction, key);

  let uploader = await client.transactions.getUploader(transaction);

  while (!uploader.isComplete) {
    await uploader.uploadChunk();
    console.log(`${uploader.pctComplete}% complete, ${uploader.uploadedChunks}/${uploader.totalChunks}`);
  }

  console.log(transaction.id)
}

//upload("Teszt blog", "Marton Lederer", new TextDecoder().decode(fs.readFileSync(path.join(__dirname, "./blogszoveg.txt"))))

async function getBlogs() {
  const blogsQuery = await argql.run(`
    query {
      transactions (tags: {
        name: "App-Name",
        values: "Zsomblog"
      }) {
        edges {
          node {
            id,
            tags {
              name
              value
            }
          }
        }
      }
    }
  `);
  const blogs = blogsQuery.data.transactions.edges.map((blog) => ({
    id: blog.node.id,
    name: blog.node.tags.find((tag) => tag.name === "Blog-Name").value,
    author: blog.node.tags.find((tag) => tag.name === "Blog-Author").value,
  }))

  console.log(blogs)
}

// getBlogs()

async function getBlog(id) {
  const blogData = await fetch(`https://arweave.net/${id}`);
  const blogQuery = await argql.run(`
    query {
      transaction (id: "${id}") {
        tags {
          name
          value
        }
      }
    }
  `);

  console.log({
    name: blogQuery.data.transaction.tags.find((tag) => tag.name === "Blog-Name").value,
    author: blogQuery.data.transaction.tags.find((tag) => tag.name === "Blog-Author").value,
    content: await blogData.text()
  })
}

// getBlog("jgf3YoPdr15EZXHJcrWo93YCx0lt1doJ_nkz4_FnUkM")