    function viewPrice(address token, uint collateralFactorBps) external view returns (uint) {
        if(fixedPrices[token] > 0) return fixedPrices[token];
        if(feeds[token].feed != IChainlinkFeed(address(0))) {
            // get price from feed
            uint price = feeds[token].feed.latestAnswer();
            require(price > 0, "Invalid feed price");
            // normalize price
            uint8 feedDecimals = feeds[token].feed.decimals();
            uint8 tokenDecimals = feeds[token].tokenDecimals;
            uint8 decimals = 36 - feedDecimals - tokenDecimals;
            uint normalizedPrice = price * (10 ** decimals);
            uint day = block.timestamp / 1 days;
            // get today's low
            uint todaysLow = dailyLows[token][day];
            // get yesterday's low
            uint yesterdaysLow = dailyLows[token][day - 1];
            // calculate new borrowing power based on collateral factor
            uint newBorrowingPower = normalizedPrice * collateralFactorBps / 10000;
            uint twoDayLow = todaysLow > yesterdaysLow && yesterdaysLow > 0 ? yesterdaysLow : todaysLow;
            if(twoDayLow > 0 && newBorrowingPower > twoDayLow) {
                uint dampenedPrice = twoDayLow * 10000 / collateralFactorBps;
                return dampenedPrice < normalizedPrice ? dampenedPrice: normalizedPrice;
            }
            return normalizedPrice;

        }
        revert("Price not found");
    }
    function getPrice(address token, uint collateralFactorBps) external returns (uint) {
        if(fixedPrices[token] > 0) return fixedPrices[token];
        if(feeds[token].feed != IChainlinkFeed(address(0))) {
            // get price from feed
            uint price = feeds[token].feed.latestAnswer();
            require(price > 0, "Invalid feed price");
            // normalize price
            uint8 feedDecimals = feeds[token].feed.decimals();
            uint8 tokenDecimals = feeds[token].tokenDecimals;
            uint8 decimals = 36 - feedDecimals - tokenDecimals;
            uint normalizedPrice = price * (10 ** decimals);
            // potentially store price as today's low
            uint day = block.timestamp / 1 days;
            uint todaysLow = dailyLows[token][day];
            if(todaysLow == 0 || normalizedPrice < todaysLow) {
                dailyLows[token][day] = normalizedPrice;
                todaysLow = normalizedPrice;
                emit RecordDailyLow(token, normalizedPrice);
            }
            // get yesterday's low
            uint yesterdaysLow = dailyLows[token][day - 1];
            // calculate new borrowing power based on collateral factor
            uint newBorrowingPower = normalizedPrice * collateralFactorBps / 10000;
            uint twoDayLow = todaysLow > yesterdaysLow && yesterdaysLow > 0 ? yesterdaysLow : todaysLow;
            if(twoDayLow > 0 && newBorrowingPower > twoDayLow) {
                uint dampenedPrice = twoDayLow * 10000 / collateralFactorBps;
                return dampenedPrice < normalizedPrice ? dampenedPrice: normalizedPrice;
            }
            return normalizedPrice;

        }
        revert("Price not found");
    }
    function getCreditLimitInternal(address user) internal returns (uint) {
        uint collateralValue = getCollateralValueInternal(user);
        return collateralValue * collateralFactorBps / 10000;
    }
    function getCollateralValueInternal(address user) internal returns (uint) {
        IEscrow escrow = predictEscrow(user);
        uint collateralBalance = escrow.balance();
        return collateralBalance * oracle.getPrice(address(collateral), collateralFactorBps) / 1 ether;
    }
    function getWithdrawalLimitInternal(address user) internal returns (uint) {
        IEscrow escrow = predictEscrow(user);
        uint collateralBalance = escrow.balance();
        if(collateralBalance == 0) return 0;
        uint debt = debts[user];
        if(debt == 0) return collateralBalance;
        if(collateralFactorBps == 0) return 0;
        uint minimumCollateral = debt * 1 ether / oracle.getPrice(address(collateral), collateralFactorBps) * 10000 / collateralFactorBps;
        if(collateralBalance <= minimumCollateral) return 0;
        return collateralBalance - minimumCollateral;
    }
            (uint80 roundId, int256 answer, , uint256 updatedAt, uint80 answeredInRound) = feeds[token].feed.latestRoundData();
            require(answeredInRound >= roundId, "answer is stale");
            require(updatedAt > 0, "round is incomplete");
            require(answer > 0, "Invalid feed answer");

            uint256 price = uint256(answer);
