Compare text

Find the difference between two text files

Real-time diff

Unified diff

Collapse lines

Highlight change

Syntax highlighting

Tools

Diffchecker Desktop The most secure way to run Diffchecker. Get the Diffchecker Desktop app: your diffs never leave your computer!Get Desktop

BaseStrategy

Created 4 years agoDiff never expires

Lines
Total
Removed

Words
Total
Removed

To continue using this feature, upgrade to Diffchecker Pro View Pricing

295 lines

Lines
Total
Added

Words
Total
Added

To continue using this feature, upgrade to Diffchecker Pro View Pricing

306 lines

// SPDX-License-Identifier: MIT

pragma solidity 0.6.12;

import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/release-v3.1.0/contracts/access/Ownable.sol";

import "@openzeppelin/contracts/access/Ownable.sol";

import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/release-v3.1.0/contracts/token/ERC20/SafeERC20.sol";

import "@openzeppelin/contracts/utils/Pausable.sol";

import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/release-v3.1.0/contracts/utils/Pausable.sol";

import "@openzeppelin/contracts/token/ERC20/SafeERC20.sol";

import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/release-v3.1.0/contracts/utils/ReentrancyGuard.sol";

import "@openzeppelin/contracts/utils/ReentrancyGuard.sol";

import "./libs/IStrategyFish.sol";

import "./libs/IUniPair.sol";

import "./libs/IUniRouter02.sol";

abstract contract BaseStrategy is Ownable, ReentrancyGuard, Pausable {

using SafeMath for uint256;

using SafeERC20 for IERC20;

address public wantAddress;

address public token0Address;

address public token1Address;

address public earnedAddress;

address public uniRouterAddress;

address public constant usdcAddress = 0x2791Bca1f2de4661ED88A30C99A7a9449Aa84174;

address public constant fishAddress = 0x3a3Df212b7AA91Aa0402B9035b098891d276572B;

address public constant fishAddress = 0x76bF0C28e604CC3fE9967c83b3C3F31c213cfE64;

address public constant rewardAddress = 0x917FB15E8aAA12264DCBdC15AFef7cD3cE76BA39;

address public constant withdrawFeeAddress = 0x4879712c5D1A98C0B88Fb700daFF5c65d12Fd729;

address public constant withdrawFeeAddress = 0x5386881b46C37CdD30A748f7771CF95D7B213637;

address public constant feeAddress = 0x1cb757f1eB92F25A917CE9a92ED88c1aC0734334;

address public constant feeAddress = 0x5386881b46C37CdD30A748f7771CF95D7B213637;

address public vaultChefAddress;

address public govAddress;

uint256 public lastEarnBlock = block.number;

uint256 public sharesTotal = 0;

address public constant buyBackAddress = 0x000000000000000000000000000000000000dEaD;

uint256 public controllerFee = 50;

uint256 public rewardRate = 0;

uint256 public buyBackRate = 450;

uint256 public constant feeMaxTotal = 1000;

uint256 public constant feeMax = 10000; // 100 = 1%

uint256 public withdrawFeeFactor = 10000; // 0% withdraw fee

uint256 public withdrawFeeFactor = 9990; // 0.1% withdraw fee

uint256 public constant withdrawFeeFactorMax = 10000;

uint256 public constant withdrawFeeFactorLL = 9900;

uint256 public slippageFactor = 950; // 5% default slippage tolerance

uint256 public constant slippageFactorUL = 995;

// Frontend variables

uint256 public tolerance;

uint256 public burnedAmount;

address[] public earnedToWmaticPath;

address[] public earnedToUsdcPath;

address[] public earnedToFishPath;

address[] public earnedToToken0Path;

address[] public earnedToToken1Path;

address[] public token0ToEarnedPath;

address[] public token1ToEarnedPath;

event SetSettings(

uint256 _controllerFee,

uint256 _rewardRate,

uint256 _buyBackRate,

uint256 _withdrawFeeFactor,

uint256 _slippageFactor,

uint256 _tolerance,

address _uniRouterAddress

);

modifier onlyGov() {

require(msg.sender == govAddress, "!gov");

}

function _vaultDeposit(uint256 _amount) internal virtual;

function _vaultWithdraw(uint256 _amount) internal virtual;

function earn() external virtual;

function vaultSharesTotal() public virtual view returns (uint256);

function wantLockedTotal() public virtual view returns (uint256);

function _resetAllowances() internal virtual;

function _emergencyVaultWithdraw() internal virtual;

function deposit(address _userAddress, uint256 _wantAmt) external onlyOwner nonReentrant whenNotPaused returns (uint256) {

// Call must happen before transfer

uint256 wantLockedBefore = wantLockedTotal();

IERC20(wantAddress).safeTransferFrom(

address(msg.sender),

address(this),

_wantAmt

);

// Proper deposit amount for tokens with fees, or vaults with deposit fees

uint256 sharesAdded = _farm();

if (sharesTotal > 0) {

sharesAdded = sharesAdded.mul(sharesTotal).div(wantLockedBefore);

}

sharesTotal = sharesTotal.add(sharesAdded);

return sharesAdded;

}

function _farm() internal returns (uint256) {

uint256 wantAmt = IERC20(wantAddress).balanceOf(address(this));

if (wantAmt == 0) return 0;

uint256 sharesBefore = vaultSharesTotal();

_vaultDeposit(wantAmt);

uint256 sharesAfter = vaultSharesTotal();

return sharesAfter.sub(sharesBefore);

}

function withdraw(address _userAddress, uint256 _wantAmt) external onlyOwner nonReentrant returns (uint256) {

require(_wantAmt > 0, "_wantAmt is 0");

uint256 wantAmt = IERC20(wantAddress).balanceOf(address(this));

// Check if strategy has tokens from panic

if (_wantAmt > wantAmt) {

_vaultWithdraw(_wantAmt.sub(wantAmt));

wantAmt = IERC20(wantAddress).balanceOf(address(this));

}

if (_wantAmt > wantAmt) {

_wantAmt = wantAmt;

}

if (_wantAmt > wantLockedTotal()) {

_wantAmt = wantLockedTotal();

}

uint256 sharesRemoved = _wantAmt.mul(sharesTotal).div(wantLockedTotal());

if (sharesRemoved > sharesTotal) {

sharesRemoved = sharesTotal;

}

sharesTotal = sharesTotal.sub(sharesRemoved);

// Withdraw fee

uint256 withdrawFee = _wantAmt

.mul(withdrawFeeFactorMax.sub(withdrawFeeFactor))

.div(withdrawFeeFactorMax);

if (withdrawFee > 0) {

IERC20(wantAddress).safeTransfer(withdrawFeeAddress, withdrawFee);

}

_wantAmt = _wantAmt.sub(withdrawFee);

IERC20(wantAddress).safeTransfer(vaultChefAddress, _wantAmt);

return sharesRemoved;

}

// To pay for earn function

function distributeFees(uint256 _earnedAmt) internal returns (uint256) {

if (controllerFee > 0) {

uint256 fee = _earnedAmt.mul(controllerFee).div(feeMax);

_safeSwapWmatic(

fee,

earnedToWmaticPath,

feeAddress

);

_earnedAmt = _earnedAmt.sub(fee);

}

return _earnedAmt;

}

function distributeRewards(uint256 _earnedAmt) internal returns (uint256) {

if (rewardRate > 0) {

uint256 fee = _earnedAmt.mul(rewardRate).div(feeMax);

uint256 usdcBefore = IERC20(usdcAddress).balanceOf(address(this));

_safeSwap(

fee,

earnedToUsdcPath,

address(this)

);

uint256 usdcAfter = IERC20(usdcAddress).balanceOf(address(this)).sub(usdcBefore);

IStrategyFish(rewardAddress).depositReward(usdcAfter);

_earnedAmt = _earnedAmt.sub(fee);

}

return _earnedAmt;

}

function buyBack(uint256 _earnedAmt) internal virtual returns (uint256) {

if (buyBackRate > 0) {

uint256 buyBackAmt = _earnedAmt.mul(buyBackRate).div(feeMax);

_safeSwap(

buyBackAmt,

earnedToFishPath,

buyBackAddress

);

_earnedAmt = _earnedAmt.sub(buyBackAmt);

}

return _earnedAmt;

}

function resetAllowances() external onlyGov {

_resetAllowances();

}

function pause() external onlyGov {

_pause();

}

function unpause() external onlyGov {

_unpause();

_resetAllowances();

}

function panic() external onlyGov {

_pause();

_emergencyVaultWithdraw();

}

function unpanic() external onlyGov {

_unpause();

_farm();

}

function setGov(address _govAddress) external onlyGov {

govAddress = _govAddress;

}

function setSettings(

uint256 _controllerFee,

uint256 _rewardRate,

uint256 _buyBackRate,

uint256 _withdrawFeeFactor,

uint256 _slippageFactor,

uint256 _tolerance,

address _uniRouterAddress

) external onlyGov {

require(_controllerFee.add(_rewardRate).add(_buyBackRate) <= feeMaxTotal, "Max fee of 10%");

require(_withdrawFeeFactor >= withdrawFeeFactorLL, "_withdrawFeeFactor too low");

require(_withdrawFeeFactor <= withdrawFeeFactorMax, "_withdrawFeeFactor too high");

require(_slippageFactor <= slippageFactorUL, "_slippageFactor too high");

controllerFee = _controllerFee;

rewardRate = _rewardRate;

buyBackRate = _buyBackRate;

withdrawFeeFactor = _withdrawFeeFactor;

slippageFactor = _slippageFactor;

tolerance = _tolerance;

uniRouterAddress = _uniRouterAddress;

emit SetSettings(

_controllerFee,

_rewardRate,

_buyBackRate,

_withdrawFeeFactor,

_slippageFactor,

_tolerance,

_uniRouterAddress

);

}

function _safeSwap(

uint256 _amountIn,

address[] memory _path,

address _to

) internal {

uint256[] memory amounts = IUniRouter02(uniRouterAddress).getAmountsOut(_amountIn, _path);

uint256 amountOut = amounts[amounts.length.sub(1)];

if (_path[_path.length.sub(1)] == fishAddress && _to == buyBackAddress) {

burnedAmount = burnedAmount.add(amountOut);

}

IUniRouter02(uniRouterAddress).swapExactTokensForTokens(

_amountIn,

amountOut.mul(slippageFactor).div(1000),

_path,

_to,

now.add(600)

);

}

function _safeSwapWmatic(

uint256 _amountIn,

address[] memory _path,

address _to

) internal {

uint256[] memory amounts = IUniRouter02(uniRouterAddress).getAmountsOut(_amountIn, _path);

uint256 amountOut = amounts[amounts.length.sub(1)];

IUniRouter02(uniRouterAddress).swapExactTokensForETH(

_amountIn,

amountOut.mul(slippageFactor).div(1000),

_path,

_to,

now.add(600)

);

}

Saved diffs

Original text

Open file

// SPDX-License-Identifier: MIT

pragma solidity 0.6.12;

import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/release-v3.1.0/contracts/access/Ownable.sol";
import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/release-v3.1.0/contracts/token/ERC20/SafeERC20.sol";
import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/release-v3.1.0/contracts/utils/Pausable.sol";
import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/release-v3.1.0/contracts/utils/ReentrancyGuard.sol";

import "./libs/IStrategyFish.sol";
import "./libs/IUniPair.sol";
import "./libs/IUniRouter02.sol";

abstract contract BaseStrategy is Ownable, ReentrancyGuard, Pausable {
    using SafeMath for uint256;
    using SafeERC20 for IERC20;

address public wantAddress;
    address public token0Address;
    address public token1Address;
    address public earnedAddress;
    
    address public uniRouterAddress;
    address public constant usdcAddress = 0x2791Bca1f2de4661ED88A30C99A7a9449Aa84174;
    address public constant fishAddress = 0x3a3Df212b7AA91Aa0402B9035b098891d276572B;
    address public constant rewardAddress = 0x917FB15E8aAA12264DCBdC15AFef7cD3cE76BA39;
    address public constant withdrawFeeAddress = 0x4879712c5D1A98C0B88Fb700daFF5c65d12Fd729;
    address public constant feeAddress = 0x1cb757f1eB92F25A917CE9a92ED88c1aC0734334;
    address public vaultChefAddress;
    address public govAddress;

uint256 public lastEarnBlock = block.number;
    uint256 public sharesTotal = 0;

address public constant buyBackAddress = 0x000000000000000000000000000000000000dEaD;
    uint256 public controllerFee = 50;
    uint256 public rewardRate = 0;
    uint256 public buyBackRate = 450;
    uint256 public constant feeMaxTotal = 1000;
    uint256 public constant feeMax = 10000; // 100 = 1%

uint256 public withdrawFeeFactor = 10000; // 0% withdraw fee
    uint256 public constant withdrawFeeFactorMax = 10000;
    uint256 public constant withdrawFeeFactorLL = 9900;

uint256 public slippageFactor = 950; // 5% default slippage tolerance
    uint256 public constant slippageFactorUL = 995;

address[] public earnedToWmaticPath;
    address[] public earnedToUsdcPath;
    address[] public earnedToFishPath;
    address[] public earnedToToken0Path;
    address[] public earnedToToken1Path;
    address[] public token0ToEarnedPath;
    address[] public token1ToEarnedPath;
    
    event SetSettings(
        uint256 _controllerFee,
        uint256 _rewardRate,
        uint256 _buyBackRate,
        uint256 _withdrawFeeFactor,
        uint256 _slippageFactor,
        address _uniRouterAddress
    );
    
    modifier onlyGov() {
        require(msg.sender == govAddress, "!gov");
        _;
    }

function _vaultDeposit(uint256 _amount) internal virtual;
    function _vaultWithdraw(uint256 _amount) internal virtual;
    function earn() external virtual;
    function vaultSharesTotal() public virtual view returns (uint256);
    function wantLockedTotal() public virtual view returns (uint256);
    function _resetAllowances() internal virtual;
    function _emergencyVaultWithdraw() internal virtual;
    
    function deposit(address _userAddress, uint256 _wantAmt) external onlyOwner nonReentrant whenNotPaused returns (uint256) {
        // Call must happen before transfer
        uint256 wantLockedBefore = wantLockedTotal();

IERC20(wantAddress).safeTransferFrom(
            address(msg.sender),
            address(this),
            _wantAmt
        );

// Proper deposit amount for tokens with fees, or vaults with deposit fees
        uint256 sharesAdded = _farm();
        if (sharesTotal > 0) {
            sharesAdded = sharesAdded.mul(sharesTotal).div(wantLockedBefore);
        }
        sharesTotal = sharesTotal.add(sharesAdded);

return sharesAdded;
    }

function _farm() internal returns (uint256) {
        uint256 wantAmt = IERC20(wantAddress).balanceOf(address(this));
        if (wantAmt == 0) return 0;
        
        uint256 sharesBefore = vaultSharesTotal();
        _vaultDeposit(wantAmt);
        uint256 sharesAfter = vaultSharesTotal();
        
        return sharesAfter.sub(sharesBefore);
    }

function withdraw(address _userAddress, uint256 _wantAmt) external onlyOwner nonReentrant returns (uint256) {
        require(_wantAmt > 0, "_wantAmt is 0");
        
        uint256 wantAmt = IERC20(wantAddress).balanceOf(address(this));
        
        // Check if strategy has tokens from panic
        if (_wantAmt > wantAmt) {
            _vaultWithdraw(_wantAmt.sub(wantAmt));
            wantAmt = IERC20(wantAddress).balanceOf(address(this));
        }

if (_wantAmt > wantAmt) {
            _wantAmt = wantAmt;
        }

if (_wantAmt > wantLockedTotal()) {
            _wantAmt = wantLockedTotal();
        }

uint256 sharesRemoved = _wantAmt.mul(sharesTotal).div(wantLockedTotal());
        if (sharesRemoved > sharesTotal) {
            sharesRemoved = sharesTotal;
        }
        sharesTotal = sharesTotal.sub(sharesRemoved);
        
        // Withdraw fee
        uint256 withdrawFee = _wantAmt
            .mul(withdrawFeeFactorMax.sub(withdrawFeeFactor))
            .div(withdrawFeeFactorMax);
        if (withdrawFee > 0) {
            IERC20(wantAddress).safeTransfer(withdrawFeeAddress, withdrawFee);
        }
        
        _wantAmt = _wantAmt.sub(withdrawFee);

IERC20(wantAddress).safeTransfer(vaultChefAddress, _wantAmt);

return sharesRemoved;
    }

// To pay for earn function
    function distributeFees(uint256 _earnedAmt) internal returns (uint256) {
        if (controllerFee > 0) {
            uint256 fee = _earnedAmt.mul(controllerFee).div(feeMax);
    
            _safeSwapWmatic(
                fee,
                earnedToWmaticPath,
                feeAddress
            );
            
            _earnedAmt = _earnedAmt.sub(fee);
        }

return _earnedAmt;
    }

function distributeRewards(uint256 _earnedAmt) internal returns (uint256) {
        if (rewardRate > 0) {
            uint256 fee = _earnedAmt.mul(rewardRate).div(feeMax);
    
            uint256 usdcBefore = IERC20(usdcAddress).balanceOf(address(this));
            
            _safeSwap(
                fee,
                earnedToUsdcPath,
                address(this)
            );
            
            uint256 usdcAfter = IERC20(usdcAddress).balanceOf(address(this)).sub(usdcBefore);
            
            IStrategyFish(rewardAddress).depositReward(usdcAfter);
            
            _earnedAmt = _earnedAmt.sub(fee);
        }

return _earnedAmt;
    }

function buyBack(uint256 _earnedAmt) internal virtual returns (uint256) {
        if (buyBackRate > 0) {
            uint256 buyBackAmt = _earnedAmt.mul(buyBackRate).div(feeMax);
    
            _safeSwap(
                buyBackAmt,
                earnedToFishPath,
                buyBackAddress
            );

_earnedAmt = _earnedAmt.sub(buyBackAmt);
        }
        
        return _earnedAmt;
    }

function resetAllowances() external onlyGov {
        _resetAllowances();
    }

function pause() external onlyGov {
        _pause();
    }

function unpause() external onlyGov {
        _unpause();
        _resetAllowances();
    }

function panic() external onlyGov {
        _pause();
        _emergencyVaultWithdraw();
    }

function unpanic() external onlyGov {
        _unpause();
        _farm();
    }

function setGov(address _govAddress) external onlyGov {
        govAddress = _govAddress;
    }
    
    function setSettings(
        uint256 _controllerFee,
        uint256 _rewardRate,
        uint256 _buyBackRate,
        uint256 _withdrawFeeFactor,
        uint256 _slippageFactor,
        address _uniRouterAddress
    ) external onlyGov {
        require(_controllerFee.add(_rewardRate).add(_buyBackRate) <= feeMaxTotal, "Max fee of 10%");
        require(_withdrawFeeFactor >= withdrawFeeFactorLL, "_withdrawFeeFactor too low");
        require(_withdrawFeeFactor <= withdrawFeeFactorMax, "_withdrawFeeFactor too high");
        require(_slippageFactor <= slippageFactorUL, "_slippageFactor too high");
        controllerFee = _controllerFee;
        rewardRate = _rewardRate;
        buyBackRate = _buyBackRate;
        withdrawFeeFactor = _withdrawFeeFactor;
        slippageFactor = _slippageFactor;
        uniRouterAddress = _uniRouterAddress;

emit SetSettings(
            _controllerFee,
            _rewardRate,
            _buyBackRate,
            _withdrawFeeFactor,
            _slippageFactor,
            _uniRouterAddress
        );
    }
    
    function _safeSwap(
        uint256 _amountIn,
        address[] memory _path,
        address _to
    ) internal {
        uint256[] memory amounts = IUniRouter02(uniRouterAddress).getAmountsOut(_amountIn, _path);
        uint256 amountOut = amounts[amounts.length.sub(1)];

IUniRouter02(uniRouterAddress).swapExactTokensForTokens(
            _amountIn,
            amountOut.mul(slippageFactor).div(1000),
            _path,
            _to,
            now.add(600)
        );
    }
    
    function _safeSwapWmatic(
        uint256 _amountIn,
        address[] memory _path,
        address _to
    ) internal {
        uint256[] memory amounts = IUniRouter02(uniRouterAddress).getAmountsOut(_amountIn, _path);
        uint256 amountOut = amounts[amounts.length.sub(1)];

IUniRouter02(uniRouterAddress).swapExactTokensForETH(
            _amountIn,
            amountOut.mul(slippageFactor).div(1000),
            _path,
            _to,
            now.add(600)
        );
    }
}

Changed text

Open file

// SPDX-License-Identifier: MIT

pragma solidity 0.6.12;

import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/Pausable.sol";
import "@openzeppelin/contracts/token/ERC20/SafeERC20.sol";
import "@openzeppelin/contracts/utils/ReentrancyGuard.sol";

import "./libs/IStrategyFish.sol";
import "./libs/IUniPair.sol";
import "./libs/IUniRouter02.sol";

abstract contract BaseStrategy is Ownable, ReentrancyGuard, Pausable {
    using SafeMath for uint256;
    using SafeERC20 for IERC20;

address public wantAddress;
    address public token0Address;
    address public token1Address;
    address public earnedAddress;
    
    address public uniRouterAddress;
    address public constant usdcAddress = 0x2791Bca1f2de4661ED88A30C99A7a9449Aa84174;
    address public constant fishAddress = 0x76bF0C28e604CC3fE9967c83b3C3F31c213cfE64; 
    address public constant rewardAddress = 0x917FB15E8aAA12264DCBdC15AFef7cD3cE76BA39; 
    address public constant withdrawFeeAddress = 0x5386881b46C37CdD30A748f7771CF95D7B213637; 
    address public constant feeAddress = 0x5386881b46C37CdD30A748f7771CF95D7B213637; 
    address public vaultChefAddress;
    address public govAddress;

uint256 public lastEarnBlock = block.number;
    uint256 public sharesTotal = 0;

uint256 public withdrawFeeFactor = 9990; // 0.1% withdraw fee
    uint256 public constant withdrawFeeFactorMax = 10000;
    uint256 public constant withdrawFeeFactorLL = 9900;

uint256 public slippageFactor = 950; // 5% default slippage tolerance
    uint256 public constant slippageFactorUL = 995;

// Frontend variables
    uint256 public tolerance;
    uint256 public burnedAmount;

address[] public earnedToWmaticPath;
    address[] public earnedToUsdcPath;
    address[] public earnedToFishPath;
    address[] public earnedToToken0Path;
    address[] public earnedToToken1Path;
    address[] public token0ToEarnedPath;
    address[] public token1ToEarnedPath;
    
    event SetSettings(
        uint256 _controllerFee,
        uint256 _rewardRate,
        uint256 _buyBackRate,
        uint256 _withdrawFeeFactor,
        uint256 _slippageFactor,
        uint256 _tolerance,
        address _uniRouterAddress
    );
    
    modifier onlyGov() {
        require(msg.sender == govAddress, "!gov");
        _;
    }

IERC20(wantAddress).safeTransferFrom(
            address(msg.sender),
            address(this),
            _wantAmt
        );

return sharesAdded;
    }

if (_wantAmt > wantAmt) {
            _wantAmt = wantAmt;
        }

if (_wantAmt > wantLockedTotal()) {
            _wantAmt = wantLockedTotal();
        }

IERC20(wantAddress).safeTransfer(vaultChefAddress, _wantAmt);

return sharesRemoved;
    }

return _earnedAmt;
    }

_earnedAmt = _earnedAmt.sub(buyBackAmt);
        }
        
        return _earnedAmt;
    }

function resetAllowances() external onlyGov {
        _resetAllowances();
    }

function pause() external onlyGov {
        _pause();
    }

function unpause() external onlyGov {
        _unpause();
        _resetAllowances();
    }

function panic() external onlyGov {
        _pause();
        _emergencyVaultWithdraw();
    }

function unpanic() external onlyGov {
        _unpause();
        _farm();
    }

function setGov(address _govAddress) external onlyGov {
        govAddress = _govAddress;
    }
    
    function setSettings(
        uint256 _controllerFee,
        uint256 _rewardRate,
        uint256 _buyBackRate,
        uint256 _withdrawFeeFactor,
        uint256 _slippageFactor,
        uint256 _tolerance,
        address _uniRouterAddress
    ) external onlyGov {
        require(_controllerFee.add(_rewardRate).add(_buyBackRate) <= feeMaxTotal, "Max fee of 10%");
        require(_withdrawFeeFactor >= withdrawFeeFactorLL, "_withdrawFeeFactor too low");
        require(_withdrawFeeFactor <= withdrawFeeFactorMax, "_withdrawFeeFactor too high");
        require(_slippageFactor <= slippageFactorUL, "_slippageFactor too high");
        controllerFee = _controllerFee;
        rewardRate = _rewardRate;
        buyBackRate = _buyBackRate;
        withdrawFeeFactor = _withdrawFeeFactor;
        slippageFactor = _slippageFactor;
        tolerance = _tolerance;
        uniRouterAddress = _uniRouterAddress;

emit SetSettings(
            _controllerFee,
            _rewardRate,
            _buyBackRate,
            _withdrawFeeFactor,
            _slippageFactor,
            _tolerance,
            _uniRouterAddress
        );
    }
    
    function _safeSwap(
        uint256 _amountIn,
        address[] memory _path,
        address _to
    ) internal {
        uint256[] memory amounts = IUniRouter02(uniRouterAddress).getAmountsOut(_amountIn, _path);
        uint256 amountOut = amounts[amounts.length.sub(1)];
        
        if (_path[_path.length.sub(1)] == fishAddress && _to == buyBackAddress) {
            burnedAmount = burnedAmount.add(amountOut);
        }