Examine source code of BlockWallet

{
  "author": "BlockWallet",
  "background": {
    "scripts": [
      "browser-polyfill.min.js",
      "background.js",
      "bw-libs.js"
    ]
  },
  "content_scripts": [
    {
      "js": [
        "browser-polyfill.min.js",
        "content.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "exclude_matches": [
        "https://block-wallet.github.io/eth-ledger-bridge-keyring/*",
        "https://connect.trezor.io/*"
      ],
      "run_at": "document_start",
      "all_frames": true
    },
    {
      "js": [
        "browser-polyfill.min.js",
        "vendor/trezor/trezor-content.js"
      ],
      "matches": [
        "*://connect.trezor.io/*/popup.html"
      ]
    }
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "BlockWallet"
  },
  "description": "All eyes on your dreams with BlockWallet - your self-custodial Web3 wallet that handles the rest.",
  "homepage_url": "https://www.blockwallet.io/",
  "icons": {
    "16": "icons/icon-16.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "manifest_version": 2,
  "name": "BlockWallet",
  "permissions": [
    "activeTab",
    "storage",
    "unlimitedStorage",
    "notifications",
    "https://*.blockwallet.io/*",
    "https://*.etherscan.io/*",
    "https://*.bscscan.com/*",
    "https://*.polygonscan.com/*"
  ],
  "short_name": "BlockWallet",
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Alt+O"
      }
    }
  },
  "version": "1.2.15",
  "web_accessible_resources": [
    "blankProvider.js"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{e36cd785-3642-41fe-b99f-e9605c553388}"
    }
  }
}