fn get_address(&self) -> Result<Address, anyhow::Error> {
        if let Ok(address) = Address::from_str(self.address.as_deref().unwrap_or("")) {
            Ok(address)
        } else {
            Err(anyhow::anyhow!("Invalid Address format"))
        }
    }
Extracts the address from the Etherscan GET parameters. Returns the same error message as Etherscan
if the address is not valid.
core/lib/types/src/contract_verification/etherscan.rs