storage

package

v0.106.0 Latest Latest Go to latest Published: May 21, 2024 License: MIT Imports: 8 Imported by: 3

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Repository

github.com/nspcc-dev/neo-go

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Documentation ¶

Index ¶

Constants
Variables
func ContextAsReadOnly(ic *interop.Context) error
func Delete(ic *interop.Context) error
func Find(ic *interop.Context) error
func Get(ic *interop.Context) error
func GetContext(ic *interop.Context) error
func GetReadOnlyContext(ic *interop.Context) error
func Put(ic *interop.Context) error
type Context
type Iterator
- func NewIterator(seekCh chan storage.KeyValue, prefix []byte, opts int64) *Iterator
- func (s *Iterator) Next() bool
- func (s *Iterator) Value() stackitem.Item

Constants ¶

View Source

const (
	FindDefault      = 0
	FindKeysOnly     = 1 << 0
	FindRemovePrefix = 1 << 1
	FindValuesOnly   = 1 << 2
	FindDeserialize  = 1 << 3
	FindPick0        = 1 << 4
	FindPick1        = 1 << 5
	FindBackwards    = 1 << 7

	FindAll = FindDefault | FindKeysOnly | FindRemovePrefix | FindValuesOnly |
		FindDeserialize | FindPick0 | FindPick1 | FindBackwards
)

Storage iterator options.

Variables ¶

View Source

var (
	// ErrGasLimitExceeded is returned from interops when there is not enough
	// GAS left in the execution context to complete the action.
	ErrGasLimitExceeded = errors.New("gas limit exceeded")
)

Functions ¶

func ContextAsReadOnly ¶ added in v0.99.1

func ContextAsReadOnly(ic *interop.Context) error

ContextAsReadOnly sets given context to read-only mode.

func Delete ¶ added in v0.99.1

func Delete(ic *interop.Context) error

storageDelete deletes stored key-value pair.

func Find ¶ added in v0.99.1

func Find(ic *interop.Context) error

Find finds stored key-value pair.

func Get ¶ added in v0.99.1

func Get(ic *interop.Context) error

Get returns stored key-value pair.

func GetContext ¶ added in v0.99.1

func GetContext(ic *interop.Context) error

GetContext returns storage context for the currently executing contract.

func GetReadOnlyContext ¶ added in v0.99.1

func GetReadOnlyContext(ic *interop.Context) error

GetReadOnlyContext returns read-only storage context for the currently executing contract.

func Put ¶ added in v0.99.1

func Put(ic *interop.Context) error

Put puts key-value pair into the storage.

Types ¶

type Context ¶ added in v0.99.1

type Context struct {
	ID       int32
	ReadOnly bool
}

Context contains contract ID and read/write flag, it's used as a context for storage manipulation functions.

type Iterator ¶

type Iterator struct {
	// contains filtered or unexported fields
}

Iterator is an iterator state representation.

func NewIterator ¶

func NewIterator(seekCh chan storage.KeyValue, prefix []byte, opts int64) *Iterator

NewIterator creates a new Iterator with the given options for the given channel of store.Seek results.

func (*Iterator) Next ¶

func (s *Iterator) Next() bool

Next advances the iterator and returns true if Value can be called at the current position.

func (*Iterator) Value ¶

func (s *Iterator) Value() stackitem.Item

Value returns current iterators value (exact type depends on options this iterator was created with).

Source Files ¶

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