/**
* BTCFi Chrome Extension — Background Service Worker
* Updates BTC price badge, whale alerts, and context menu.
*/
const API = 'https://btcfi.aiindigo.com';
// ============ BADGE (PRICE) ============
async function updateBadge() {
try {
const res = await fetch(`${API}/api/v1/fees`);
const data = await res.json();
const price = data?.price?.btcUsd || 0;
const text = price >= 100000
? `${Math.round(price / 1000)}K`
: price >= 10000
? `${(price / 1000).toFixed(1)}K`
: String(Math.round(price));
chrome.action.setBadgeText({ text });
chrome.action.setBadgeBackgroundColor({ color: '#f7931a' });
} catch {
chrome.action.setBadgeText({ text: '...' });
}
}
// ============ WHALE ALERTS ============
let lastWhaleCheck = 0;
async function checkWhales() {
try {
const settings = await chrome.storage.sync.get({ whaleAlerts: true, whaleThreshold: 50 });
if (!settings.whaleAlerts) return;
const res = await fetch(`${API}/api/v1/intelligence/whales`);
const data = await res.json();
const whales = data?.data?.transactions || [];
for (const whale of whales.slice(0, 3)) {
const btc = parseFloat(whale.totalValueBtc || '0');
if (btc < settings.whaleThreshold) continue;
if (whale.timestamp && whale.timestamp <= lastWhaleCheck) continue;
const signal = whale.signal === 'buy' ? '🟢 BUY' : whale.signal === 'sell' ? '🔴 SELL' : '🐋';
chrome.notifications.create(`whale-${whale.txid?.slice(0, 8)}`, {
type: 'basic',
iconUrl: 'icons/icon128.png',
title: `${signal} ${whale.totalValueBtc} BTC`,
message: `$${parseFloat(whale.totalValueUsd || '0').toLocaleString()} — Fee: ${whale.feeRate}`,
});
}
lastWhaleCheck = Date.now();
} catch { /* silent */ }
}
// ============ CONTEXT MENU ============
chrome.runtime.onInstalled.addListener(() => {
chrome.contextMenus.create({
id: 'btcfi-lookup',
title: 'Look up on BTCFi',
contexts: ['selection'],
});
updateBadge();
});
chrome.contextMenus.onClicked.addListener(async (info) => {
if (info.menuItemId === 'btcfi-lookup' && info.selectionText) {
const text = info.selectionText.trim();
// BTC address check
if (/^(bc1|[13])[a-zA-HJ-NP-Z0-9]{25,62}$/.test(text)) {
chrome.tabs.create({ url: `${API}/safe?addr=${encodeURIComponent(text)}` });
} else if (/^[a-fA-F0-9]{64}$/.test(text)) {
chrome.tabs.create({ url: `${API}/dashboard/address?txid=${encodeURIComponent(text)}` });
} else {
chrome.tabs.create({ url: `${API}/dashboard/address` });
}
}
});
// ============ ALARMS ============
chrome.alarms.create('update-badge', { periodInMinutes: 1 });
chrome.alarms.create('check-whales', { periodInMinutes: 5 });
chrome.alarms.onAlarm.addListener((alarm) => {
if (alarm.name === 'update-badge') updateBadge();
if (alarm.name === 'check-whales') checkWhales();
});
// Initial update
updateBadge();
