manifest.json

{
    "manifest_version": 2,
    "name": "View contract on deth.net",
    "version": "1.0",
    "description": "Adds a button to etherscan family websites to view contract code on deth.net",
    "icons": {
        "16": "icons/16.png",
        "64": "icons/64.png",
        "128": "icons/128.png"
    },
    "content_scripts": [
        {
            "matches": [
                "*://arbiscan.io/address/*",
                "*://bscscan.com/address/*",
                "*://etherscan.io/address/*",
                "*://ftmscan.com/address/*",
                "*://goerli.etherscan.io/address/*",
                "*://hecoinfo.com/address/*",
                "*://kovan-optimistic.etherscan.io/address/*",
                "*://kovan.etherscan.io/address/*",
                "*://moonbase.moonscan.io/address/*",
                "*://moonriver.moonscan.io/address/*",
                "*://optimistic.etherscan.io/address/*",
                "*://polygonscan.com/address/*",
                "*://rinkeby.etherscan.io/address/*",
                "*://ropsten.etherscan.io/address/*",
                "*://snowtrace.io/address/*",
                "*://testnet.arbiscan.io/address/*",
                "*://testnet.bscscan.com/address/*",
                "*://testnet.ftmscan.com/address/*",
                "*://testnet.hecoinfo.com/address/*",
                "*://testnet.polygonscan.com/address/*",
                "*://testnet.snowtrace.io/address/*"
            ],
            "js": [
                "deth.js"
            ]
        }
    ]
}