function rocketAddFunds(uint rocketTokenId_, uint res_, uint yccAmount_) public {
        require(contractActive);
        ycc.payForUpgrade(msg.sender, yccAmount_);
        rocketResourceYccFunds[rocketTokenId_][res_] += yccAmount_;

        RocketAddFunds(rocketTokenId_, res_, yccAmount_, msg.sender);
    }