1package grc721v223import "errors"45var (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")1718 ErrNotRealm = errors.New("rlm must be a realm (got EOA/origin)")19 ErrInvalidName = errors.New("invalid token name (empty, too long, or contains control chars)")20 ErrInvalidSymbol = errors.New("invalid token symbol (empty, too long, or contains chars outside [A-Za-z0-9_-])")21)22Signatures reconstructed verbatim from vm/qfuncs — interface params keep their inline definitions.