Examine source code of Keeper Wallet

{
  "manifest_version": 2,
  "name": "Keeper Wallet",
  "short_name": "Keeper",
  "description": "Keeper Wallet is your entry point to the Waves blockchain and Waves-powered web services",
  "version": "2.13.10",
  "author": "support@waves.tech",
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "windows": "Alt+Shift+K",
        "mac": "Alt+Shift+K",
        "chromeos": "Alt+Shift+K",
        "linux": "Alt+Shift+K"
      }
    }
  },
  "icons": {
    "16": "icons/icon_16.png",
    "24": "icons/icon_24.png",
    "32": "icons/icon_32.png",
    "48": "icons/icon_48.png",
    "64": "icons/icon_64.png",
    "96": "icons/icon_96.png",
    "128": "icons/icon_128.png",
    "192": "icons/icon_192.png",
    "256": "icons/icon_256.png",
    "512": "icons/icon_512.png"
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "contentscript.js"
      ],
      "run_at": "document_end",
      "all_frames": true
    }
  ],
  "permissions": [
    "alarms",
    "clipboardWrite",
    "idle",
    "storage",
    "unlimitedStorage",
    "tabs"
  ],
  "browser_action": {
    "default_title": "Keeper Wallet",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon_16.png",
      "24": "icons/icon_24.png",
      "32": "icons/icon_32.png",
      "48": "icons/icon_48.png",
      "64": "icons/icon_64.png",
      "96": "icons/icon_96.png",
      "128": "icons/icon_128.png",
      "192": "icons/icon_192.png",
      "256": "icons/icon_256.png",
      "512": "icons/icon_512.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_security_policy": "object-src 'self'; script-src 'self' 'wasm-unsafe-eval'",
  "web_accessible_resources": [
    "inpage.js"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "support@wavesplatform.com"
    }
  }
}