contract WyvernExchange is Exchange {

    string public constant name = "Project Wyvern Exchange";

    /**
     * @dev Initialize a WyvernExchange instance
     * @param registryAddress Address of the registry instance which this Exchange instance will use
     * @param tokenAddress Address of the token used for protocol fees
     */
    function WyvernExchange (ProxyRegistry registryAddress, ERC20 tokenAddress) public {
        exchangeToken = tokenAddress;
        registry = registryAddress;
    }

}
function WyvernExchange (ProxyRegistry registryAddress, ERC20 tokenAddress) public {
    exchangeToken = tokenAddress;
    registry = registryAddress;
}

/**
 * @dev Initialize a WyvernExchange instance
 * @param registryAddress Address of the registry instance which this Exchange instance will use
 * @param tokenAddress Address of the token used for protocol fees
 */