audit

contracts/ytLp/core/YTPoolManager.sol

@@ -193,16 +193,13 @@ contract YTPoolManager is Initializable, UUPSUpgradeable, ReentrancyGuardUpgrade
         
         uint256 usdyAmount = _ytLPAmount * aumInUsdy / ytLPSupply;
         
-        // 先销毁ytLP
         IYTLPToken(ytLP).burn(_account, _ytLPAmount);
         
-        // 检查余额，只铸造差额部分
         uint256 usdyBalance = IERC20(usdy).balanceOf(address(this));
         if (usdyAmount > usdyBalance) {
             IUSDY(usdy).mint(address(this), usdyAmount - usdyBalance);
         }
         
-        // 转账USDY到Vault并换回代币
         IERC20(usdy).safeTransfer(ytVault, usdyAmount);
         uint256 amountOut = IYTVault(ytVault).sellUSDY(_tokenOut, _receiver);
         
@@ -225,7 +222,7 @@ contract YTPoolManager is Initializable, UUPSUpgradeable, ReentrancyGuardUpgrade
     function getAumInUsdy(bool _maximise) public view returns (uint256) {
         uint256 aum = IYTVault(ytVault).getPoolValue(_maximise);
         
-        aum += aumAddition;  // aumAddition是协议额外增加的AUM，用来“预留风险缓冲 / 扣除潜在负债”
+        aum += aumAddition;
         if (aum > aumDeduction) {
             aum -= aumDeduction;
         } else {

contracts/ytLp/core/YTPriceFeed.sol

@@ -24,11 +24,11 @@ contract YTPriceFeed is Initializable, UUPSUpgradeable {
     
     uint256 public constant PRICE_PRECISION = 10 ** 30;
     uint256 public constant BASIS_POINTS_DIVISOR = 10000;
-    uint256 public constant MAX_SPREAD_BASIS_POINTS = 200; // 最大2%价差
+    uint256 public constant MAX_SPREAD_BASIS_POINTS = 200;
     
     address public usdcAddress;
     
-    uint256 public maxPriceChangeBps; // 5% 最大价格变动
+    uint256 public maxPriceChangeBps;
 
     AggregatorV3Interface internal usdcPriceFeed;
     
@@ -58,7 +58,7 @@ contract YTPriceFeed is Initializable, UUPSUpgradeable {
         usdcAddress = _usdcAddress;
         usdcPriceFeed = AggregatorV3Interface(_usdcPriceFeed);
         gov = msg.sender;
-        maxPriceChangeBps = 500; // 5% 最大价格变动
+        maxPriceChangeBps = 500;
     }
 
     function setUSDCAddress(address _usdcAddress) external onlyGov {
@@ -78,7 +78,7 @@ contract YTPriceFeed is Initializable, UUPSUpgradeable {
     }
     
     function setMaxPriceChangeBps(uint256 _maxPriceChangeBps) external onlyGov {
-        if (_maxPriceChangeBps > 2000) revert MaxChangeTooHigh(); // 最大20%
+        if (_maxPriceChangeBps > 2000) revert MaxChangeTooHigh();
         maxPriceChangeBps = _maxPriceChangeBps;
     }
     

contracts/ytLp/core/YTVault.sol

@@ -259,7 +259,6 @@ contract YTVault is Initializable, UUPSUpgradeable, ReentrancyGuardUpgradeable {
         uint256 usdyAmountAfterFees = amountAfterFees * price / PRICE_PRECISION;
         usdyAmountAfterFees = _adjustForDecimals(usdyAmountAfterFees, _token, usdy);
         
-        // 手续费直接留在池子中：全部代币加入poolAmount，但只铸造扣费后的USDY
         _increasePoolAmount(_token, tokenAmount);
         _increaseUsdyAmount(_token, usdyAmountAfterFees);
         
@@ -436,7 +435,6 @@ contract YTVault is Initializable, UUPSUpgradeable, ReentrancyGuardUpgradeable {
         address _tokenOut,
         uint256 _usdyAmount
     ) private view returns (uint256) {
-        // 稳定币交换是指两个代币都是稳定币（如 USDC <-> USDT）
         bool isStableSwap = stableTokens[_tokenIn] && stableTokens[_tokenOut];
         uint256 baseBps = isStableSwap ? stableSwapFeeBasisPoints : swapFeeBasisPoints;
         uint256 taxBps = isStableSwap ? stableTaxBasisPoints : taxBasisPoints;