let chain = new Blockchain();
let wallet = loadWallet();

async function createWallet() {
const keys = await generateWallet();
saveWallet(keys.publicKey, keys.privateKey);
wallet = loadWallet();
updateUI();
}

async function updateUI() {
document.getElementById(“address”).value = wallet.address || “”; document.getElementById(“privKey”).value = wallet.privateKey || “”;
document.getElementById(“balance”).innerText = “Balance: ” + await chain.getBalance(wallet.address || “N/A”) + ” RAY”;
document.getElementById(“chainView”).innerText = JSON.stringify(chain.chain, null, 2); }

async function sendTx() {
const to = document.getElementById(“to”).value;
const amount = parseFloat(document.getElementById(“amount”).value); if (!to || !amount || amount <= 0) return alert(“Invalid input”);

const tx = { from: wallet.address, to, amount };
await chain.addTransaction(tx);
updateUI();
}

async function mineBlock() {
document.getElementById(“mineStatus”).innerText = “Mining…”; const block = await chain.mine(wallet.address);
document.getElementById(“mineStatus”).innerText = “Mined block #” + block.index + ” ✅”; updateUI();
}

updateUI();