grc1155 source pure

 1var (
 2	ErrInvalidAddress                         = errors.New("invalid address")
 3	ErrMismatchLength                         = errors.New("accounts and ids length mismatch")
 4	ErrCannotTransferToSelf                   = errors.New("cannot send transfer to self")
 5	ErrTransferToRejectedOrNonGRC1155Receiver = errors.New("transfer to rejected or non GRC1155Receiver implementer")
 6	ErrCallerIsNotOwnerOrApproved             = errors.New("caller is not token owner or approved")
 7	ErrInsufficientBalance                    = errors.New("insufficient balance for transfer")
 8	ErrBurnAmountExceedsBalance               = errors.New("burn amount exceeds balance")
 9	ErrInvalidAmount                          = errors.New("invalid amount")
10)

1func NewBasicGRC1155Token(uri string) *basicGRC1155Token

1type ApprovalForAllEvent struct {
2	Owner    address
3	Operator address
4	Approved bool
5}

1type IGRC1155 interface {
2	SafeTransferFrom(caller, from, to address, tid TokenID, amount int64) error
3	SafeBatchTransferFrom(caller, from, to address, batch []TokenID, amounts []int64) error
4	BalanceOf(owner address, tid TokenID) (int64, error)
5	BalanceOfBatch(owners []address, batch []TokenID) ([]int64, error)
6	SetApprovalForAll(caller, operator address, approved bool) error
7	IsApprovedForAll(owner, operator address) bool
8}

1type IGRC1155Reader interface {
2	Uri() string
3	BalanceOf(owner address, tid TokenID) (int64, error)
4	BalanceOfBatch(owners []address, batch []TokenID) ([]int64, error)
5	IsApprovedForAll(owner, operator address) bool
6}

1type MultiTokenGetter func() IGRC1155Reader

1type TokenID string

1type TransferBatchEvent struct {
2	Operator address
3	From     address
4	To       address
5	Batch    []TokenID
6	Amounts  []int64
7}

1type TransferSingleEvent struct {
2	Operator address
3	From     address
4	To       address
5	TokenID  TokenID
6	Amount   int64
7}

1type UpdateURIEvent struct {
2	URI string
3}