index.js

const express = require('express');
const verifyProof = require('../utils/verifyProof');

const port = 1225;

const app = express();
app.use(express.json());

// TODO: hardcode a merkle root here representing the whole nice list
// paste the hex string in here, without the 0x prefix
const MERKLE_ROOT = "ddd59a2ffccddd60ff47993312821cd57cf30f7f14fb82937ebe2c4dc78375aa";

app.post('/gift', (req, res) => {
    const { name, proof } = req.body;
    if (!name || !proof) {
        return res.status(400).send({ message: "Request payload is invalid!" });
    }

    const isInTheList = verifyProof(proof, name, MERKLE_ROOT);
    if (isInTheList) {
        res.send("You got a toy robot!");
    }
    else {
        res.send("You are not on the list :(");
    }
});

app.listen(port, () => {
    console.log(`Listening on port ${port}!`);
});