Examine source code of XMR Priced

{
  "manifest_version": 3,
  "name": "XMR Priced",
  "version": "1.0",
  "description": "Displays XMR equivalents alongside USD prices on major online shopping sites.",
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "*://*.amazon.com/*",
    "*://*.amazon.co.uk/*",
    "*://*.amazon.de/*",
    "*://*.amazon.ca/*",
    "*://*.walmart.com/*",
    "*://*.ebay.com/*",
    "*://*.ebay.co.uk/*",
    "*://*.bestbuy.com/*",
    "*://*.target.com/*",
    "*://*.etsy.com/*",
    "*://*.apple.com/*",
    "*://*.costco.com/*",
    "*://*.homedepot.com/*",
    "*://*.lowes.com/*",
    "*://*.redfin.com/*",
    "*://*.zillow.com/*",
    "*://*.realtor.com/*",
    "*://*.craigslist.org/*",
    "*://*.newegg.com/*",
    "*://*.macys.com/*",
    "*://*.kohls.com/*",
    "*://*.nordstrom.com/*",
    "*://*.wayfair.com/*",
    "*://*.chewy.com/*",
    "*://*.ulta.com/*",
    "*://*.sephora.com/*",
    "*://*.cryptocloaks.com/*",
    "*://*.store.google.com/*",
    "*://*.heb.com/*",
    "*://*.wholefoodsmarket.com/*",
    "*://*.kroger.com/*",
    "*://*.publix.com/*",
    "*://*.aldi.us/*",
    "*://*.solosatoshi.com/*",
    "*://*.alibaba.com/*",
    "*://*.tesla.com/*",
    "*://*.jd.com/*",
    "*://*.aliexpress.com/*",
    "*://*.aliexpress.us/*",
    "*://*.aliexpress.uk/*",
    "*://*.aliexpress.ca/*",
    "*://*.aliexpress.au/*",
    "*://*.aliexpress.de/*",
    "*://*.aliexpress.fr/*",
    "*://*.aliexpress.it/*",
    "*://*.aliexpress.es/*",
    "*://*.aliexpress.nl/*",
    "*://*.aliexpress.pl/*",
    "*://*.aliexpress.pt/*",
    "*://*.aliexpress.ru/*",
    "*://*.aliexpress.tr/*",
    "*://*.aliexpress.sa/*",
    "*://*.aliexpress.ae/*",
    "*://*.leboncoin.fr/*",
    "*://*.rightmove.co.uk/*",
    "*://*.rightmove.com/*",
    "*://*.rightmove.us/*",
    "*://*.rightmove.ca/*",
    "*://*.rightmove.au/*",
    "*://*.rightmove.de/*",
    "*://*.rightmove.fr/*",
    "*://*.rightmove.it/*",
    "*://*.rightmove.es/*",
    "*://*.rightmove.nl/*",
    "*://*.rightmove.pl/*",
    "*://*.rightmove.pt/*",
    "*://*.rightmove.ru/*",
    "*://*.rightmove.tr/*",
    "*://*.rightmove.sa/*",
    "*://*.rightmove.ae/*",
    "*://*.carvana.com/*",
    "*://*.carmax.com/*",
    "*://*.carmax.us/*",
    "*://*.carmax.uk/*",
    "*://*.carmax.ca/*",
    "*://*.carmax.au/*",
    "*://*.carmax.de/*",
    "*://*.carmax.fr/*",
    "*://*.carmax.it/*",
    "*://*.carmax.es/*",
    "*://*.carmax.nl/*",
    "*://*.carmax.pl/*",
    "*://*.carmax.pt/*",
    "*://*.carmax.ru/*",
    "*://*.carmax.tr/*",
    "*://*.carmax.sa/*",
    "*://*.carmax.ae/*",
    "*://*.priceline.com/*",
    "*://*.safeway.com/*",
    "*://*.fredmeyer.com/*",
    "*://*.publix.com/*",
    "*://*.aa.com/*",
    "*://*.delta.com/*",
    "*://*.united.com/*",
    "*://*.alaskaair.com/*",
    "*://*.southwest.com/*",
    "*://*.jetblue.com/*",
    "*://*.spirit.com/*",
    "*://*.virginamerica.com/*",
    "*://*.aircanada.com/*",
    "*://*.airfrance.com/*",
    "*://*.airindia.in/*",
    "*://*.airasia.com/*",
    "*://*.airbaltic.com/*",
    "*://*.airberlin.com/*",
    "*://*.airchina.com/*",
    "*://*.britishairways.com/*",
    "*://*.brusselsairlines.com/*",
    "*://*.easyjet.com/*",
    "*://*.flydubai.com/*",
    "*://*.flynas.com/*",
    "*://*.flysas.com/*",
    "*://*.lufthansa.com/*",
    "*://*.ryanair.com/*",
    "*://*.sas.com/*",
    "*://*.swiss.com/*",
    "*://*.turkishairlines.com/*",
    "*://*.virginatlantic.com/*",
    "*://*.emirates.com/*",
    "*://*.singaporeair.com/*",
    "*://*.cathaypacific.com/*",
    "*://*.koreanair.com/*",
    "*://*.qantas.com/*",
    "*://*.qatarairways.com/*",
    "*://*.saudia.com/*",
    "*://*.bankofamerica.com/*",
    "*://*.schwab.com/*",
    "*://*.wellsfargo.com/*",
    "*://*.citibank.com/*",
    "*://*.barclays.com/*",
    "*://*.hsbc.com/*",
    "*://*.robinhood.com/*",
    "*://*.costco.com/*"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": "icon.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.amazon.com/*",
        "*://*.amazon.co.uk/*",
        "*://*.amazon.de/*",
        "*://*.amazon.ca/*",
        "*://*.walmart.com/*",
        "*://*.ebay.com/*",
        "*://*.ebay.co.uk/*",
        "*://*.bestbuy.com/*",
        "*://*.target.com/*",
        "*://*.etsy.com/*",
        "*://*.apple.com/*",
        "*://*.costco.com/*",
        "*://*.homedepot.com/*",
        "*://*.lowes.com/*",
        "*://*.redfin.com/*",
        "*://*.zillow.com/*",
        "*://*.realtor.com/*",
        "*://*.craigslist.org/*",
        "*://*.newegg.com/*",
        "*://*.macys.com/*",
        "*://*.kohls.com/*",
        "*://*.nordstrom.com/*",
        "*://*.wayfair.com/*",
        "*://*.chewy.com/*",
        "*://*.ulta.com/*",
        "*://*.sephora.com/*",
        "*://*.cryptocloaks.com/*",
        "*://*.store.google.com/*",
        "*://*.heb.com/*",
        "*://*.wholefoodsmarket.com/*",
        "*://*.kroger.com/*",
        "*://*.publix.com/*",
        "*://*.aldi.us/*",
        "*://*.solosatoshi.com/*",
        "*://*.alibaba.com/*",
        "*://*.tesla.com/*",
        "*://*.jd.com/*",
        "*://*.aliexpress.com/*",
        "*://*.aliexpress.us/*",
        "*://*.aliexpress.uk/*",
        "*://*.aliexpress.ca/*",
        "*://*.aliexpress.au/*",
        "*://*.aliexpress.de/*",
        "*://*.aliexpress.fr/*",
        "*://*.aliexpress.it/*",
        "*://*.aliexpress.es/*",
        "*://*.aliexpress.nl/*",
        "*://*.aliexpress.pl/*",
        "*://*.aliexpress.pt/*",
        "*://*.aliexpress.ru/*",
        "*://*.aliexpress.tr/*",
        "*://*.aliexpress.sa/*",
        "*://*.aliexpress.ae/*",
        "*://*.leboncoin.fr/*",
        "*://*.rightmove.co.uk/*",
        "*://*.rightmove.com/*",
        "*://*.rightmove.us/*",
        "*://*.rightmove.ca/*",
        "*://*.rightmove.au/*",
        "*://*.rightmove.de/*",
        "*://*.rightmove.fr/*",
        "*://*.rightmove.it/*",
        "*://*.rightmove.es/*",
        "*://*.rightmove.nl/*",
        "*://*.rightmove.pl/*",
        "*://*.rightmove.pt/*",
        "*://*.rightmove.ru/*",
        "*://*.rightmove.tr/*",
        "*://*.rightmove.sa/*",
        "*://*.rightmove.ae/*",
        "*://*.carvana.com/*",
        "*://*.carmax.com/*",
        "*://*.carmax.us/*",
        "*://*.carmax.uk/*",
        "*://*.carmax.ca/*",
        "*://*.carmax.au/*",
        "*://*.carmax.de/*",
        "*://*.carmax.fr/*",
        "*://*.carmax.it/*",
        "*://*.carmax.es/*",
        "*://*.carmax.nl/*",
        "*://*.carmax.pl/*",
        "*://*.carmax.pt/*",
        "*://*.carmax.ru/*",
        "*://*.carmax.tr/*",
        "*://*.carmax.sa/*",
        "*://*.carmax.ae/*",
        "*://*.priceline.com/*",
        "*://*.safeway.com/*",
        "*://*.fredmeyer.com/*",
        "*://*.publix.com/*",
        "*://*.aa.com/*",
        "*://*.delta.com/*",
        "*://*.united.com/*",
        "*://*.alaskaair.com/*",
        "*://*.southwest.com/*",
        "*://*.jetblue.com/*",
        "*://*.spirit.com/*",
        "*://*.virginamerica.com/*",
        "*://*.aircanada.com/*",
        "*://*.airfrance.com/*",
        "*://*.airindia.in/*",
        "*://*.airasia.com/*",
        "*://*.airbaltic.com/*",
        "*://*.airberlin.com/*",
        "*://*.airchina.com/*",
        "*://*.britishairways.com/*",
        "*://*.brusselsairlines.com/*",
        "*://*.easyjet.com/*",
        "*://*.flydubai.com/*",
        "*://*.flynas.com/*",
        "*://*.flysas.com/*",
        "*://*.lufthansa.com/*",
        "*://*.ryanair.com/*",
        "*://*.sas.com/*",
        "*://*.swiss.com/*",
        "*://*.turkishairlines.com/*",
        "*://*.virginatlantic.com/*",
        "*://*.emirates.com/*",
        "*://*.singaporeair.com/*",
        "*://*.cathaypacific.com/*",
        "*://*.koreanair.com/*",
        "*://*.qantas.com/*",
        "*://*.qatarairways.com/*",
        "*://*.saudia.com/*",
        "*://*.bankofamerica.com/*",
        "*://*.schwab.com/*",
        "*://*.wellsfargo.com/*",
        "*://*.citibank.com/*",
        "*://*.barclays.com/*",
        "*://*.hsbc.com/*",
        "*://*.robinhood.com/*",
        "*://*.costco.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "icons": {
    "48": "icon.png",
    "128": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "xmrpriced@monivong.eth",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "description": "This extension does not collect any user data. It fetches public exchange rate data from CoinGecko (no authentication or personal information sent), performs client-side calculations, and caches the rate locally in storage for performance. No personally identifiable information, browsing history, location, device data, or any other user information is collected, stored, or transmitted."
      }
    }
  }
}