db

package
v0.0.0-...-f5f0bdb Latest Latest
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 Go to latest Published: Feb 25, 2019 License: GPL-3.0 Imports: 10 Imported by: 0

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Index

Constants

This section is empty.

Variables

View Source 
var DefaultPath = "~/.golkadot"

DefaultPath ...

View Source 
var DefaultType = "disk"

DefaultType ...

Functions

This section is empty.

Types

type BaseDB 

type BaseDB interface {
	Close()
	Open()
	Drop()
	Empty()
	Maintain(fn *ProgressCB) error
	Rename(base, file string)
	Size() int

	Del(key []uint8)
	Get(key []uint8) []uint8
	Put(key, value []uint8)
}

BaseDB ...

type BaseDBOptions 

type BaseDBOptions struct {
	IsCompressed bool
}

BaseDBOptions ....

type BaseOptions 

type BaseOptions struct {
}

BaseOptions ...

type CachedValue 

type CachedValue struct {
	Value []uint8
}

CachedValue ...

type FilePath 

type FilePath struct {
	Directory string
	File      string
}

FilePath ...

type FileTreeDB 

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

FileTreeDB ...

func NewFileTreeDBDB 

func NewFileTreeDBDB(location string) *FileTreeDB

NewFileTreeDBDB ...

func (*FileTreeDB) Close 

func (f *FileTreeDB) Close()

Close ...

func (*FileTreeDB) Del 

func (f *FileTreeDB) Del(key []uint8)

Del ...

func (*FileTreeDB) Drop 

func (f *FileTreeDB) Drop()

Drop ...

func (*FileTreeDB) Empty 

func (f *FileTreeDB) Empty()

Empty ...

func (*FileTreeDB) Get 

func (f *FileTreeDB) Get(key []uint8) []uint8

Get ...

func (*FileTreeDB) Maintain 

func (f *FileTreeDB) Maintain(fn *ProgressCB) error

Maintain ...

func (*FileTreeDB) Open 

func (f *FileTreeDB) Open()

Open ...

func (*FileTreeDB) Put 

func (f *FileTreeDB) Put(key, value []uint8)

Put ...

func (*FileTreeDB) Rename 

func (f *FileTreeDB) Rename(base, file string)

Rename ...

func (*FileTreeDB) Size 

func (f *FileTreeDB) Size() int

Size ...

type KV 

type KV struct {
	Key   []uint8
	Value []uint8
}

KV ...

type LruDB 

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

LruDB ...

func NewLruDB 

func NewLruDB(backing BaseDB, itemCount int) *LruDB

NewLruDB ... TODO: itemCount not used?

func (*LruDB) Close 

func (l *LruDB) Close()

Close ...

func (*LruDB) Del 

func (l *LruDB) Del(key []uint8)

Del ...

func (*LruDB) Drop 

func (l *LruDB) Drop()

Drop ...

func (*LruDB) Empty 

func (l *LruDB) Empty()

Empty ...

func (*LruDB) Get 

func (l *LruDB) Get(key []uint8) []uint8

Get ...

func (*LruDB) Maintain 

func (l *LruDB) Maintain(fn *ProgressCB) error

Maintain ...

func (*LruDB) Open 

func (l *LruDB) Open()

Open ...

func (*LruDB) Put 

func (l *LruDB) Put(key, value []uint8)

Put ...

func (*LruDB) Rename 

func (l *LruDB) Rename(base, file string)

Rename ...

func (*LruDB) Size 

func (l *LruDB) Size() int

Size ...

type LruMap 

type LruMap map[string]*CachedValue

LruMap ...

type MemoryDB 

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

MemoryDB ...

func NewMemoryDB 

func NewMemoryDB(options *BaseOptions) *MemoryDB

NewMemoryDB creates a MemoryDB database extending TransactionDB options argument (optional) used to specifies whether to use compression. - Enable compression when storing "blocks" since they compress well. - Disable compression when storing "state" Transactions Trie data structure serialised with Recursive Length Prefix (RLP) encoding

func (*MemoryDB) Close 

func (m *MemoryDB) Close()

Close ...

func (*MemoryDB) Del 

func (m *MemoryDB) Del(key []uint8)

Del ...

func (*MemoryDB) Drop 

func (m *MemoryDB) Drop()

Drop ...

func (*MemoryDB) Empty 

func (m *MemoryDB) Empty()

Empty ...

func (*MemoryDB) Get 

func (m *MemoryDB) Get(key []uint8) []uint8

Get ...

func (*MemoryDB) Maintain 

func (m *MemoryDB) Maintain(fn *ProgressCB) error

Maintain ...

func (*MemoryDB) Open 

func (m *MemoryDB) Open()

Open ...

func (*MemoryDB) Put 

func (m *MemoryDB) Put(key []uint8, value []uint8)

Put ...

func (*MemoryDB) Rename 

func (m *MemoryDB) Rename(base, file string)

Rename ...

func (*MemoryDB) Size 

func (m *MemoryDB) Size() int

Size ...

type Overlay 

type Overlay map[string]*KV

Overlay ...

type ProgressCB 

type ProgressCB func(*ProgressValue)

ProgressCB ...

type ProgressValue 

type ProgressValue struct {
	IsCompleted bool
	Keys        int
	Percent     int
}

ProgressValue ...

type Storage 

type Storage map[string][]uint8

Storage ...

type TXDB 

type TXDB interface {
	BaseDB
	Transaction(fn func() bool) (bool, error)
	GetRoot() []byte // triedb
}

TXDB ...

type TransactionDB 

type TransactionDB struct {
	TXDB
	Backing BaseDB
	// contains filtered or unexported fields
}

TransactionDB ...

func NewTransactionDB 

func NewTransactionDB(backing *BaseDB) *TransactionDB

NewTransactionDB ...

func (*TransactionDB) Close 

func (t *TransactionDB) Close()

Close ...

func (*TransactionDB) CommitTx 

func (t *TransactionDB) CommitTx() error

CommitTx ...

func (*TransactionDB) CreateTx 

func (t *TransactionDB) CreateTx() error

CreateTx ...

func (*TransactionDB) Del 

func (t *TransactionDB) Del(key []uint8)

Del ...

func (*TransactionDB) Drop 

func (t *TransactionDB) Drop()

Drop ...

func (*TransactionDB) Empty 

func (t *TransactionDB) Empty()

Empty ...

func (*TransactionDB) Get 

func (t *TransactionDB) Get(key []uint8) []uint8

Get ...

func (*TransactionDB) Maintain 

func (t *TransactionDB) Maintain(fn *ProgressCB) error

Maintain ...

func (*TransactionDB) Open 

func (t *TransactionDB) Open()

Open ...

func (*TransactionDB) Put 

func (t *TransactionDB) Put(key, value []uint8)

Put ...

func (*TransactionDB) Rename 

func (t *TransactionDB) Rename(base, file string)

Rename ...

func (*TransactionDB) RevertTx 

func (t *TransactionDB) RevertTx() error

RevertTx ...

func (*TransactionDB) Size 

func (t *TransactionDB) Size() int

Size ...

func (*TransactionDB) Transaction 

func (t *TransactionDB) Transaction(fn func() bool) (bool, error)

Transaction ...

Source Files

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