AutoIncentive

import express from "express";
import { paymentMiddleware } from "x402/express";
import "dotenv/config";

const app = express();

const receiver_address = process.env.RECEIVING_ADDRESS || "0xsome_default_address";
const facilitator = "https://facilitator.x402endpoints.online";

app.get("/api/free", (req, res) => {
  res.json({
    type: "free",
    message: "This is free data that does not require payment",
    timestamp: new Date().toISOString(),
    data: {
      temperature: 72,
      humidity: 45,
      conditions: "Sunny",
    },
  });
});

// Premium endpoint with payment required
app.get(
  "/api/premium",
  paymentMiddleware(facilitator, {
    network: "eip155:1187947933",
    asset: "0x85889c8c714505E0c94b30fcfcF64fE3Ac8FCb20",
    amount: "1000",
    payTo: receiver_address,
    description: "Premium weather data",
    mimeType: "application/json",
    maxTimeoutSeconds: 60,
    resource: "/api/premium",
  }),
  (req, res) => {
    res.json({
      type: "paid",
      message: "This is paid data that requires x402 payment",
      timestamp: new Date().toISOString(),
      data: {
        temperature: 72,
        humidity: 45,
        conditions: "Sunny",
      },
    });
  }
);

app.listen(3000, () => {
  console.log("Listening on http://localhost:3000");
});