    function trade(
        GlobalDataLibrary.GlobalData storage globalData,
        IPredyPool.TradeParams memory tradeParams,
        bytes memory settlementData
    ) external returns (IPredyPool.TradeResult memory tradeResult) {
        DataType.PairStatus storage pairStatus = globalData.pairs[tradeParams.pairId];
        Perp.UserStatus storage openPosition = globalData.vaults[tradeParams.vaultId].openPosition;

        // settle user balance and fee
        DataType.FeeAmount memory realizedFee =
            settleUserBalanceAndFee(pairStatus, globalData.rebalanceFeeGrowthCache, openPosition);

        // calculate required token amounts
        (int256 underlyingAmountForSqrt, int256 stableAmountForSqrt) = Perp.computeRequiredAmounts(
            pairStatus.sqrtAssetStatus, pairStatus.isQuoteZero, openPosition, tradeParams.tradeAmountSqrt
        );

        tradeResult.sqrtPrice = getSqrtPrice(pairStatus.sqrtAssetStatus.uniswapPool, pairStatus.isQuoteZero);//@audit slot0 is used to place trades which is easily manipulatable

        // swap tokens

        SwapStableResult memory swapResult = swap(
            globalData,
            tradeParams.pairId,
            SwapStableResult(-tradeParams.tradeAmount, underlyingAmountForSqrt, realizedFee.feeAmountBase, 0),
            settlementData,
            tradeResult.sqrtPrice,//@audit
            tradeParams.vaultId
        );

        tradeResult.averagePrice = swapResult.averagePrice;

        // add asset or debt
        tradeResult.payoff = Perp.updatePosition(
            pairStatus,
            openPosition,
            Perp.UpdatePerpParams(tradeParams.tradeAmount, swapResult.amountPerp),
            Perp.UpdateSqrtPerpParams(tradeParams.tradeAmountSqrt, swapResult.amountSqrtPerp + stableAmountForSqrt)
        );

        tradeResult.fee = realizedFee.feeAmountQuote + swapResult.fee;
        tradeResult.vaultId = tradeParams.vaultId;
    }
    function getSqrtPrice(address uniswapPoolAddress, bool isQuoteZero) internal view returns (uint256 sqrtPriceX96) {
        return UniHelper.convertSqrtPrice(UniHelper.getSqrtPrice(uniswapPoolAddress), isQuoteZero);
    }
    function getSqrtPrice(address uniswapPoolAddress) internal view returns (uint160 sqrtPrice) {
        (sqrtPrice,,,,,,) = IUniswapV3Pool(uniswapPoolAddress).slot0();
    }
