YearnSpace-TV _wrapPreview

gistfile1.txt

function _wrapPreview(
        uint256 base_
    ) internal view virtual override returns (uint256 shares) {
        IYVToken yvToken = IYVToken(address(sharesToken));
        uint256 DEGRADATION_COEFFICIENT = 10 ** 18;
        uint256 freeFunds = yvToken.totalAssets();
        uint256 lockedProfit = yvToken.lockedProfit();

        if (lockedProfit > 0) {
            uint256 lockedFundsRatio = (block.timestamp -
                yvToken.lastReport()) * yvToken.lockedProfitDegradation();

            if (lockedFundsRatio < DEGRADATION_COEFFICIENT) {
                freeFunds -=
                    lockedProfit -
                    ((lockedFundsRatio * lockedProfit) /
                        DEGRADATION_COEFFICIENT);
            }
        }

        shares = (base_ * yvToken.totalSupply()) / freeFunds;
    }