errors.gno

 1package grc721
 2
 3import "errors"
 4
 5var (
 6	ErrInvalidTokenId              = errors.New("invalid token id")
 7	ErrInvalidAddress              = errors.New("invalid address")
 8	ErrTokenIdNotHasApproved       = errors.New("token id not approved for anyone")
 9	ErrApprovalToCurrentOwner      = errors.New("approval to current owner")
10	ErrCallerIsNotOwner            = errors.New("caller is not token owner")
11	ErrCallerNotApprovedForAll     = errors.New("caller is not approved for all")
12	ErrCannotTransferToSelf        = errors.New("cannot send transfer to self")
13	ErrTransferFromIncorrectOwner  = errors.New("transfer from incorrect owner")
14	ErrTransferToNonGRC721Receiver = errors.New("transfer to non GRC721Receiver implementer")
15	ErrCallerIsNotOwnerOrApproved  = errors.New("caller is not token owner or approved")
16	ErrTokenIdAlreadyExists        = errors.New("token id already exists")
17
18	// ERC721Royalty
19	ErrInvalidRoyaltyPercentage     = errors.New("invalid royalty percentage")
20	ErrInvalidRoyaltyPaymentAddress = errors.New("invalid royalty paymentAddress")
21	ErrCannotCalculateRoyaltyAmount = errors.New("cannot calculate royalty amount")
22)