아이템 구매 (purchaseItem)

function purchaseItem(
    string memory uuid,
    string memory itemId,
    uint256 purchaseItemPrice
) external nonReentrant whenNotPaused {
    ...        
    emit PurchaseItemSuccess(
        purchaseInfo.buyer,
        purchaseInfo.uuid,
        purchaseInfo.itemId,
        purchaseInfo.purchaseId,
        purchaseInfo.purchasedItemPrice
    );
}

• Parameters

• Errors

• Event

    struct PurchaseHistory {
        uint256 purchaseId; // Purchase ID (PK)
        uint256 purchasedItemPrice; // 구매 아이템 가격 (wei)
        address buyer; // 구매자 EOA
        string uuid; // 구매자 UUID
        string itemId; // 구매한 Item ID
    }