{
    "Function": "slitherConstructorConstantVariables",
    "File": "contracts/v3/strategies/ConvexStrategy.sol",
    "Parent Contracts": [
        "contracts/v3/strategies/BaseStrategy.sol",
        "contracts/v3/interfaces/IStrategy.sol"
    ],
    "High-Level Calls": [],
    "Internal Calls": [],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "contract ConvexStrategy is BaseStrategy {\n    // used for Crv -> weth -> [dai/usdc/usdt] -> 3crv route\n    address public immutable crv;\n    address public immutable cvx;\n\n    // for add_liquidity via curve.fi to get back 3CRV (use getMostPremium() for the best stable coin used in the route)\n    address public immutable dai;\n    address public immutable usdc;\n    address public immutable usdt;\n\n    uint256 public immutable pid;\n    IConvexVault public immutable convexVault;\n    address public immutable cvxDepositLP;\n    IConvexRewards public immutable crvRewards;\n    IStableSwap3Pool public immutable stableSwap3Pool;\n\n    constructor(\n        string memory _name,\n        address _want,\n        address _crv,\n        address _cvx,\n        address _weth,\n        address _dai,\n        address _usdc,\n        address _usdt,\n        uint256 _pid,\n        IConvexVault _convexVault,\n        IStableSwap3Pool _stableSwap3Pool,\n        address _controller,\n        address _manager,\n        address _router\n    ) public BaseStrategy(_name, _controller, _manager, _want, _weth, _router) {\n        (, address _token, , address _crvRewards, , ) = _convexVault.poolInfo(_pid);\n        crv = _crv;\n        cvx = _cvx;\n        dai = _dai;\n        usdc = _usdc;\n        usdt = _usdt;\n        pid = _pid;\n        convexVault = _convexVault;\n        cvxDepositLP = _token;\n        crvRewards = IConvexRewards(_crvRewards);\n        stableSwap3Pool = _stableSwap3Pool;\n        // Required to overcome \"Stack Too Deep\" error\n        _setApprovals(\n            _want,\n            _crv,\n            _cvx,\n            _dai,\n            _usdc,\n            _usdt,\n            address(_convexVault),\n            _router,\n            address(_stableSwap3Pool)\n        );\n    }\n\n    function _setApprovals(\n        address _want,\n        address _crv,\n        address _cvx,\n        address _dai,\n        address _usdc,\n        address _usdt,\n        address _convexVault,\n        address _router,\n        address _stableSwap3Pool\n    ) internal {\n        IERC20(_want).safeApprove(address(_convexVault), type(uint256).max);\n        IERC20(_crv).safeApprove(address(_router), type(uint256).max);\n        IERC20(_cvx).safeApprove(address(_router), type(uint256).max);\n        IERC20(_dai).safeApprove(address(_stableSwap3Pool), type(uint256).max);\n        IERC20(_usdc).safeApprove(address(_stableSwap3Pool), type(uint256).max);\n        IERC20(_usdt).safeApprove(address(_stableSwap3Pool), type(uint256).max);\n        IERC20(_want).safeApprove(address(_stableSwap3Pool), type(uint256).max);\n    }\n\n    function _deposit() internal override {\n        convexVault.depositAll(pid, true);\n    }\n\n    function _claimReward() internal {\n        crvRewards.getReward(address(this), true);\n    }\n\n    function _addLiquidity() internal {\n        uint256[3] memory amounts;\n        amounts[0] = IERC20(dai).balanceOf(address(this));\n        amounts[1] = IERC20(usdc).balanceOf(address(this));\n        amounts[2] = IERC20(usdt).balanceOf(address(this));\n        stableSwap3Pool.add_liquidity(amounts, 1);\n    }\n\n    function getMostPremium() public view returns (address, uint256) {\n        uint256[] memory balances = new uint256[](3);\n        balances[0] = stableSwap3Pool.balances(0); // DAI\n        balances[1] = stableSwap3Pool.balances(1).mul(10**12); // USDC\n        balances[2] = stableSwap3Pool.balances(2).mul(10**12); // USDT\n\n        if (balances[0] < balances[1] && balances[0] < balances[2]) {\n            // DAI\n            return (dai, 0);\n        }\n\n        if (balances[1] < balances[0] && balances[1] < balances[2]) {\n            // USDC\n            return (usdc, 1);\n        }\n\n        if (balances[2] < balances[0] && balances[2] < balances[1]) {\n            // USDT\n            return (usdt, 2);\n        }\n\n        return (dai, 0); // If they're somehow equal, we just want DAI\n    }\n\n    function _harvest(uint256 _estimatedWETH, uint256 _estimatedYAXIS) internal override {\n        _claimReward();\n        uint256 _cvxBalance = IERC20(cvx).balanceOf(address(this));\n        if (_cvxBalance > 0) {\n            _swapTokens(cvx, crv, _cvxBalance, 1);\n        }\n\n        uint256 _remainingWeth = _payHarvestFees(crv, _estimatedWETH, _estimatedYAXIS);\n\n        if (_remainingWeth > 0) {\n            (address _stableCoin, ) = getMostPremium(); // stablecoin we want to convert to\n            _swapTokens(weth, _stableCoin, _remainingWeth, 1);\n            _addLiquidity();\n\n            if (balanceOfWant() > 0) {\n                _deposit();\n            }\n        }\n    }\n\n    function _withdrawAll() internal override {\n        convexVault.withdrawAll(pid);\n    }\n\n    function _withdraw(uint256 _amount) internal override {\n        convexVault.withdraw(pid, _amount);\n    }\n\n    function balanceOfPool() public view override returns (uint256) {\n        return IERC20(cvxDepositLP).balanceOf(address(this));\n    }\n}"
}