erc20

The functions in this file should be factored out to a separate utility lib as they are reused in bitcoin-etl https://github.com/blockchain-etl/ethereum-etl/blob/develop/ethereumetl/misc_utils.py

See this pattern in NewSettingsFragment:

    ActivityResultLauncher<Intent> networkSettingsHandler = registerForActivityResult(new ActivityResultContracts.StartActivityForResult(),
            result -> {
                //send instruction to restart tokenService
                Bundle r = new Bundle();
                getParentFragmentManager().setFragmentResult(RESET_TOKEN_SERVICE, r

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https://stackoverflow.com/questions/56393880/how-do-i-detect-dark-mode-using-javascript