// Calculates minimum bid price based on initial price of NFT and desired total supply
minBidPrices[currentId] = _initialPrice / _totalSupply;
// Updates minimum reserve price if filled quantity amount is greater than 0
if (filledQuantity > 0) minReservePrices[_poolId] = getMinPrice(_poolId);
if (_price > minReservePrices[_poolId] * filledQuantities[_poolId])
    revert InvalidPurchase();
