index.js

const fs = require("fs").promises;
const axios = require("axios");
const bitcoin = require("bitcoin-core");

async function callCln(method, params = {}) {
  const response = await axios.post(
    `http://localhost:3010/v1/${method}`,
    params,
    { headers: { Rune: process.env.CLN_RUNE } },
  );
  return response.data;
}

async function main() {
  // Example: Get blockchain info and lightning node info
  const bitcoinClient = new bitcoin({
    network: "regtest",
    username: "alice",
    password: "password",
    port: 18443,
  });

  console.log("Bitcoin Node Info:", await bitcoinClient.getBlockchainInfo());

  const lnInfo = await callCln("getinfo");
  console.log("Lightning Node Info:", lnInfo);

    // Create a new address for funding using lightning-cli and store it in CLN_ADDRESS

    // Check if wallet exists, if not Create a bitcoin wallet named 'mining_wallet' using bitcoin-cli for mining

    // Generate a new address and mine blocks to it. How many blocks need to mined? Why?

    // Fund the Lightning node by sending 0.1 BTC from the mining wallet to CLN_ADDRESS

    // Confirm the funding transaction by mining 6 blocks

    // Verify Lightning wallet balance using lightning-cli listfunds

    // Create an invoice with parameters and store the invoice string:
    // - Amount: 50,000 satoshis (50000000 millisatoshis)
    // - Label: Generate unique label using timestamp (e.g., "invoice_$(date +%s)")
    // - Description: "Coffee Payment"
    // - Expiry: 3600 seconds

    // Decode the invoice string using lightning-cli decodepay and verify the parameters

    // Output the invoice details in the specified format to out.txt
    // - Payment hash
    // - BOLT11 invoice string
    // - Amount
    // - Description
    // - Expiry time
}

main().catch(err => {
    console.error('Error:', err);
    process.exit(1);
});