stateleveldb

Documentation

Index

• func DecodeValue(encodedValue []byte) ([]byte, *version.Height)
• func EncodeValue(value []byte, version *version.Height) []byte
• type TestVDBEnv
  • func NewTestVDBEnv(t testing.TB) *TestVDBEnv
  • func (env *TestVDBEnv) Cleanup()
• type VersionedDBProvider
  • func NewVersionedDBProvider() *VersionedDBProvider
  • func (provider *VersionedDBProvider) Close()
  • func (provider *VersionedDBProvider) GetDBHandle(dbName string) (statedb.VersionedDB, error)

Functions

func DecodeValue

func DecodeValue(encodedValue []byte) ([]byte, *version.Height)

DecodeValue separates the version and value from a binary value

func EncodeValue

func EncodeValue(value []byte, version *version.Height) []byte

EncodeValue appends the value to the version, allows storage of version and value in binary form

Types

type TestVDBEnv

type TestVDBEnv struct {
	DBProvider statedb.VersionedDBProvider
	// contains filtered or unexported fields
}

TestVDBEnv provides a level db backed versioned db for testing

func NewTestVDBEnv

func NewTestVDBEnv(t testing.TB) *TestVDBEnv

NewTestVDBEnv instantiates and new level db backed TestVDB

func (*TestVDBEnv) Cleanup

func (env *TestVDBEnv) Cleanup()

Cleanup closes the db and removes the db folder

type VersionedDBProvider

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

VersionedDBProvider implements interface VersionedDBProvider

func NewVersionedDBProvider

func NewVersionedDBProvider() *VersionedDBProvider

NewVersionedDBProvider instantiates VersionedDBProvider

func (*VersionedDBProvider) Close

func (provider *VersionedDBProvider) Close()

Close closes the underlying db

func (*VersionedDBProvider) GetDBHandle

func (provider *VersionedDBProvider) GetDBHandle(dbName string) (statedb.VersionedDB, error)

GetDBHandle gets the handle to a named database