Closed notmhyr closed 1 year ago
checks if the caller is the owner of the nft and also checks if our contract is approved to move the token. using item id for listed items mapping is not a good way because there is no way to know the nft is already listed or not
checks if the caller is the owner of the nft and also checks if our contract is approved to move the token. using item id for listed items mapping is not a good way because there is no way to know the nft is already listed or not