binance-p2p-lkr-rate-live-update

# 🚀 Binance P2P LKR Rate Live Update **A modern, high-performance Manifest V3 Chrome Extension that tracks live Binance P2P USDT/LKR rates, top advertiser feeds, 7-day trend graphs, and currency converters right from your browser toolbar.**
[![Manifest V3](https://img.shields.io/badge/Manifest-V3-F0B90B?style=for-the-badge&logo=googlechrome&logoColor=white)](file:///manifest.json) [![Binance API](https://img.shields.io/badge/Binance-P2P_Public_API-F3BA2F?style=for-the-badge&logo=binance&logoColor=black)](https://p2p.binance.com) [![Pair](https://img.shields.io/badge/Pair-USDT_%2F_LKR-363C4E?style=for-the-badge)](https://p2p.binance.com) [![Made by Infiax](https://img.shields.io/badge/Made_with_%E2%9D%A4_by-Infiax_(Pvt)_Ltd-000000?style=for-the-badge)](https://infiax.com) [![License](https://img.shields.io/badge/License-MIT-0ECB81?style=for-the-badge)](LICENSE)

🌟 Key Features

🟢 Live Summary Rates & Spread: Real-time Best Buy Rate, Best Sell Rate, and calculated Spread Margin %.
🛒 Top Merchant Ads Feed: Displays seller nickname, verified merchant badge, monthly completion rate %, min-max order limits, and payment methods.
🎯 User-Defined Order Limit Filter: Enter your target LKR amount (e.g. Rs. 50,000) in the toolbar to filter ads and home summary rates specifically for your trade size.
🧮 Visual USDT ↔ LKR Converter: Calculate converted USDT or LKR using live rates with Buy Rate / Sell Rate mode chips, 1-tap quick preset pills (25K, 50K, 100K, 250K, 500K), and order limit warning alerts.
📊 7-Day Trend Chart & History: Interactive SVG sparkline graph with dual Buy (Green) and Sell (Red) trend curves, 7-day High/Low stats, and daily logs.
🔔 Chrome Toolbar Rate Badge: Background service worker periodically updates the extension toolbar icon with the current best LKR rate every 2 minutes.
🎨 Binance Dark Aesthetics: Sleek, ultra-compact interface crafted with Poppins and Inter typography.

🛠️ Project Structure

├── manifest.json         # Extension Manifest V3 configuration
├── binance-api.js        # Binance P2P public API engine with multi-domain fallback
├── background.js         # Service Worker for periodic background rate alarms & badge updates
├── popup.html            # Main extension popup HTML markup
├── popup.js              # Interactive UI logic, tab switching, filters, & calculator math
├── styles.css            # Binance dark theme styling & typography
├── rules.json            # DeclarativeNetRequest CORS header override rules
├── privacy-policy.html   # Standalone Privacy Policy page
└── icons/                # Extension icon assets (16x16, 32x32, 48x48, 128x128)

🚀 Quick Installation (Developer Mode)

Clone or Download this repository:

git clone https://github.com/harindujayakody/binance-p2p-lkr-rate-live-update.git

Open Google Chrome and navigate to: chrome://extensions
Enable Developer mode using the toggle in the top-right corner.
Click Load unpacked (top-left) and select the cloned project folder.
Click the extension icon on your Chrome toolbar to view live P2P rates!

🔒 Privacy & Security

Zero Personal Data Collection: This extension does NOT track, collect, store, or transmit personal user data, credentials, passwords, or browsing history.
Local Storage Only: User settings (such as target order limit amounts) are stored on-device using Chrome’s native chrome.storage.local API.
Direct Public API Calls: Network requests connect directly to Binance’s public JSON API (binance.com) without user identifiers.

📄 License & Credits

Distributed under the MIT License.

Developed with ❤️ by Infiax (Pvt) Ltd
Contact: contact@infiax.com