    function updateIRMParams(
        DataType.PairStatus storage _pairStatus,
        InterestRateModel.IRMParams memory _quoteIrmParams,
        InterestRateModel.IRMParams memory _baseIrmParams
    ) external {
        validateIRMParams(_quoteIrmParams);
        validateIRMParams(_baseIrmParams);

        _pairStatus.quotePool.irmParams = _quoteIrmParams;
        _pairStatus.basePool.irmParams = _baseIrmParams;

        emit IRMParamsUpdated(_pairStatus.id, _quoteIrmParams, _baseIrmParams);
    }
    function applyInterestForPoolStatus(Perp.AssetPoolStatus storage poolStatus, uint256 lastUpdateTimestamp, uint8 fee)
        internal
        returns (uint256 interestRate, uint256 totalProtocolFee)
    {
        if (block.timestamp <= lastUpdateTimestamp) {
            return (0, 0);
        }

        uint256 utilizationRatio = poolStatus.tokenStatus.getUtilizationRatio();

        // Skip calculating interest if utilization ratio is 0
        if (utilizationRatio == 0) {
            return (0, 0);
        }

        // Calculates interest rate
        interestRate = InterestRateModel.calculateInterestRate(poolStatus.irmParams, utilizationRatio)
            * (block.timestamp - lastUpdateTimestamp) / 365 days;

        totalProtocolFee = poolStatus.tokenStatus.updateScaler(interestRate, fee);

        poolStatus.accumulatedProtocolRevenue += totalProtocolFee / 2;
        poolStatus.accumulatedCreatorRevenue += totalProtocolFee / 2;
    }
        interestRate = InterestRateModel.calculateInterestRate(poolStatus.irmParams, utilizationRatio)
            * (block.timestamp - lastUpdateTimestamp) / 365 days;
