leveldbhelper

package

v0.0.0-...-95b87ed Latest Latest Go to latest Published: Sep 16, 2019 License: Apache-2.0 Imports: 11 Imported by: 0

Details

Valid go.mod file

The Go module system was introduced in Go 1.11 and is the official dependency management solution for Go.
Redistributable license

Redistributable licenses place minimal restrictions on how software can be used, modified, and redistributed.
Tagged version

Modules with tagged versions give importers more predictable builds.
Stable version

When a project reaches major version v1 it is considered stable.
Learn more about best practices

Repository

github.com/mcc-github/blockchain

Links

Open Source Insights

Documentation ¶

Index ¶

func IsFormatVersionMismatch(err error) bool
type Conf
type DB
- func CreateDB(conf *Conf) *DB
- func (dbInst *DB) Close()
- func (dbInst *DB) Delete(key []byte, sync bool) error
- func (dbInst *DB) Get(key []byte) ([]byte, error)
- func (dbInst *DB) GetIterator(startKey []byte, endKey []byte) iterator.Iterator
- func (dbInst *DB) IsEmpty() (bool, error)
- func (dbInst *DB) Open()
- func (dbInst *DB) Put(key []byte, value []byte, sync bool) error
- func (dbInst *DB) WriteBatch(batch *leveldb.Batch, sync bool) error
type DBHandle
- func (h *DBHandle) Delete(key []byte, sync bool) error
- func (h *DBHandle) Get(key []byte) ([]byte, error)
- func (h *DBHandle) GetIterator(startKey []byte, endKey []byte) *Iterator
- func (h *DBHandle) Put(key []byte, value []byte, sync bool) error
- func (h *DBHandle) WriteBatch(batch *UpdateBatch, sync bool) error
type ErrFormatVersionMismatch
- func (e *ErrFormatVersionMismatch) Error() string
type FileLock
- func NewFileLock(filePath string) *FileLock
- func (f *FileLock) Lock() error
- func (f *FileLock) Unlock()
type Iterator
- func (itr *Iterator) Key() []byte
type Provider
- func NewProvider(conf *Conf) (*Provider, error)
- func (p *Provider) Close()
- func (p *Provider) GetDBHandle(dbName string) *DBHandle
- func (p *Provider) GetDataFormat() (string, error)
type UpdateBatch
- func NewUpdateBatch() *UpdateBatch
- func (batch *UpdateBatch) Delete(key []byte)
- func (batch *UpdateBatch) Len() int
- func (batch *UpdateBatch) Put(key []byte, value []byte)

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func IsFormatVersionMismatch ¶

func IsFormatVersionMismatch(err error) bool

Types ¶

type Conf ¶

type Conf struct {
	DBPath                string
	ExpectedFormatVersion string
}

type DB ¶

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

func CreateDB ¶

func CreateDB(conf *Conf) *DB

func (*DB) Close ¶

func (dbInst *DB) Close()

func (*DB) Delete ¶

func (dbInst *DB) Delete(key []byte, sync bool) error

func (*DB) Get ¶

func (dbInst *DB) Get(key []byte) ([]byte, error)

func (*DB) GetIterator ¶

func (dbInst *DB) GetIterator(startKey []byte, endKey []byte) iterator.Iterator

func (*DB) IsEmpty ¶

func (dbInst *DB) IsEmpty() (bool, error)

func (*DB) Open ¶

func (dbInst *DB) Open()

func (*DB) Put ¶

func (dbInst *DB) Put(key []byte, value []byte, sync bool) error

func (*DB) WriteBatch ¶

func (dbInst *DB) WriteBatch(batch *leveldb.Batch, sync bool) error

type DBHandle ¶

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

func (*DBHandle) Delete ¶

func (h *DBHandle) Delete(key []byte, sync bool) error

func (*DBHandle) Get ¶

func (h *DBHandle) Get(key []byte) ([]byte, error)

func (*DBHandle) GetIterator ¶

func (h *DBHandle) GetIterator(startKey []byte, endKey []byte) *Iterator

func (*DBHandle) Put ¶

func (h *DBHandle) Put(key []byte, value []byte, sync bool) error

func (*DBHandle) WriteBatch ¶

func (h *DBHandle) WriteBatch(batch *UpdateBatch, sync bool) error

type ErrFormatVersionMismatch ¶

type ErrFormatVersionMismatch struct {
	DBPath                string
	ExpectedFormatVersion string
	DataFormatVersion     string
}

func (*ErrFormatVersionMismatch) Error ¶

func (e *ErrFormatVersionMismatch) Error() string

type FileLock ¶

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

func NewFileLock ¶

func NewFileLock(filePath string) *FileLock

func (*FileLock) Lock ¶

func (f *FileLock) Lock() error

func (*FileLock) Unlock ¶

func (f *FileLock) Unlock()

type Iterator ¶

type Iterator struct {
	iterator.Iterator
}

func (*Iterator) Key ¶

func (itr *Iterator) Key() []byte

type Provider ¶

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

func NewProvider ¶

func NewProvider(conf *Conf) (*Provider, error)

func (*Provider) Close ¶

func (p *Provider) Close()

func (*Provider) GetDBHandle ¶

func (p *Provider) GetDBHandle(dbName string) *DBHandle

func (*Provider) GetDataFormat ¶

func (p *Provider) GetDataFormat() (string, error)

type UpdateBatch ¶

type UpdateBatch struct {
	KVs map[string][]byte
}

func NewUpdateBatch ¶

func NewUpdateBatch() *UpdateBatch

func (*UpdateBatch) Delete ¶

func (batch *UpdateBatch) Delete(key []byte)

func (*UpdateBatch) Len ¶

func (batch *UpdateBatch) Len() int

func (*UpdateBatch) Put ¶

func (batch *UpdateBatch) Put(key []byte, value []byte)

Source Files ¶

View all Source files

?	: This menu
/	: Search site
f or F	: Jump to
y or Y	: Canonical URL