privacyenabledstate

package
v1.1.0-preview Latest Latest
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 Go to latest Published: Nov 1, 2017 License: Apache-2.0 Imports: 12 Imported by: 0

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Constants

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Variables

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Functions

This section is empty.

Types

type CommonStorageDB 

type CommonStorageDB struct {
	statedb.VersionedDB
}

CommonStorageDB implements interface DB. This implementation uses a single database to maintain both the public and private data

func (*CommonStorageDB) ApplyPrivacyAwareUpdates 

func (s *CommonStorageDB) ApplyPrivacyAwareUpdates(updates *UpdateBatch, height *version.Height) error

ApplyPrivacyAwareUpdates implements corresponding function in interface DB

func (*CommonStorageDB) ApplyUpdates 

func (s *CommonStorageDB) ApplyUpdates(batch *statedb.UpdateBatch, height *version.Height) error

ApplyUpdates overrides the funciton in statedb.VersionedDB and throws appropriate error message Otherwise, somewhere in the code, usage of this function could lead to updating only public data.

func (*CommonStorageDB) ClearCachedVersions 

func (s *CommonStorageDB) ClearCachedVersions()

ClearCachedVersions implements corresponding function in interface DB

func (CommonStorageDB) ExecuteQueryOnPrivateData 

func (s CommonStorageDB) ExecuteQueryOnPrivateData(namespace, collection, query string) (statedb.ResultsIterator, error)

ExecuteQueryOnPrivateData implements corresponding function in interface DB

func (*CommonStorageDB) GetCachedKeyHashVersion 

func (s *CommonStorageDB) GetCachedKeyHashVersion(namespace, collection string, keyHash []byte) (*version.Height, bool)

func (*CommonStorageDB) GetKeyHashVersion 

func (s *CommonStorageDB) GetKeyHashVersion(namespace, collection string, keyHash []byte) (*version.Height, error)

GetHashedDataNsAndKeyHashStr implements corresponding function in interface DB

func (*CommonStorageDB) GetPrivateData 

func (s *CommonStorageDB) GetPrivateData(namespace, collection, key string) (*statedb.VersionedValue, error)

GetPrivateData implements corresponding function in interface DB

func (*CommonStorageDB) GetPrivateDataMultipleKeys 

func (s *CommonStorageDB) GetPrivateDataMultipleKeys(namespace, collection string, keys []string) ([]*statedb.VersionedValue, error)

GetPrivateDataMultipleKeys implements corresponding function in interface DB

func (*CommonStorageDB) GetPrivateDataRangeScanIterator 

func (s *CommonStorageDB) GetPrivateDataRangeScanIterator(namespace, collection, startKey, endKey string) (statedb.ResultsIterator, error)

GetPrivateDataRangeScanIterator implements corresponding function in interface DB

func (*CommonStorageDB) GetValueHash 

func (s *CommonStorageDB) GetValueHash(namespace, collection string, keyHash []byte) (*statedb.VersionedValue, error)

GetValueHash implements corresponding function in interface DB

func (*CommonStorageDB) IsBulkOptimizable 

func (s *CommonStorageDB) IsBulkOptimizable() bool

IsBulkOptimizable implements corresponding function in interface DB

func (*CommonStorageDB) LoadCommittedVersionsOfPubAndHashedKeys 

func (s *CommonStorageDB) LoadCommittedVersionsOfPubAndHashedKeys(pubKeys []*statedb.CompositeKey,
	hashedKeys []*HashedCompositeKey)

LoadCommittedVersionsOfPubAndHashedKeys implements corresponding function in interface DB

type CommonStorageDBProvider 

type CommonStorageDBProvider struct {
	statedb.VersionedDBProvider
}

CommonStorageDBProvider implements interface DBProvider

func (*CommonStorageDBProvider) Close 

func (p *CommonStorageDBProvider) Close()

Close implements function from interface DBProvider

func (*CommonStorageDBProvider) GetDBHandle 

func (p *CommonStorageDBProvider) GetDBHandle(id string) (DB, error)

GetDBHandle implements function from interface DBProvider

type CouchDBCommonStorageTestEnv 

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

CouchDBCommonStorageTestEnv implements TestEnv interface for couchdb based storage

func (*CouchDBCommonStorageTestEnv) Cleanup 

func (env *CouchDBCommonStorageTestEnv) Cleanup()

Cleanup implements corresponding function from interface TestEnv

func (*CouchDBCommonStorageTestEnv) GetDBHandle 

func (env *CouchDBCommonStorageTestEnv) GetDBHandle(id string) DB

GetDBHandle implements corresponding function from interface TestEnv

func (*CouchDBCommonStorageTestEnv) GetName 

func (env *CouchDBCommonStorageTestEnv) GetName() string

GetName implements corresponding function from interface TestEnv

func (*CouchDBCommonStorageTestEnv) Init 

func (env *CouchDBCommonStorageTestEnv) Init(t testing.TB)

Init implements corresponding function from interface TestEnv

type DB 

type DB interface {
	statedb.VersionedDB
	IsBulkOptimizable() bool
	LoadCommittedVersionsOfPubAndHashedKeys(pubKeys []*statedb.CompositeKey, hashedKeys []*HashedCompositeKey)
	GetCachedKeyHashVersion(namespace, collection string, keyHash []byte) (*version.Height, bool)
	ClearCachedVersions()
	GetPrivateData(namespace, collection, key string) (*statedb.VersionedValue, error)
	GetValueHash(namespace, collection string, keyHash []byte) (*statedb.VersionedValue, error)
	GetKeyHashVersion(namespace, collection string, keyHash []byte) (*version.Height, error)
	GetPrivateDataMultipleKeys(namespace, collection string, keys []string) ([]*statedb.VersionedValue, error)
	GetPrivateDataRangeScanIterator(namespace, collection, startKey, endKey string) (statedb.ResultsIterator, error)
	ExecuteQueryOnPrivateData(namespace, collection, query string) (statedb.ResultsIterator, error)
	ApplyPrivacyAwareUpdates(updates *UpdateBatch, height *version.Height) error
}

DB extends VersionedDB interface. This interface provides additional functions for managing private data state

func NewCommonStorageDB 

func NewCommonStorageDB(vdb statedb.VersionedDB, ledgerid string) (DB, error)

NewCommonStorageDB wraps a VersionedDB instance. The public data is managed directly by the wrapped versionedDB. For managing the hashed data and private data, this implementation creates separate namespaces in the wrapped db

type DBProvider 

type DBProvider interface {
	// GetDBHandle returns a handle to a PvtVersionedDB
	GetDBHandle(id string) (DB, error)
	// Close closes all the PvtVersionedDB instances and releases any resources held by VersionedDBProvider
	Close()
}

DBProvider provides handle to a PvtVersionedDB

func NewCommonStorageDBProvider 

func NewCommonStorageDBProvider() (DBProvider, error)

NewCommonStorageDBProvider constructs an instance of DBProvider

type HashedCompositeKey 

type HashedCompositeKey struct {
	Namespace      string
	CollectionName string
	KeyHash        string
}

HashedCompositeKey encloses Namespace, CollectionName and KeyHash components

type HashedUpdateBatch 

type HashedUpdateBatch struct {
	UpdateMap
}

HashedUpdateBatch contains updates for the hashes of the private data

func NewHashedUpdateBatch 

func NewHashedUpdateBatch() *HashedUpdateBatch

NewHashedUpdateBatch creates an empty HashedUpdateBatch

func (HashedUpdateBatch) Contains 

func (h HashedUpdateBatch) Contains(ns, coll string, keyHash []byte) bool

Contains returns true if the given <ns,coll,keyHash> tuple is present in the batch

func (HashedUpdateBatch) Delete 

func (h HashedUpdateBatch) Delete(ns, coll string, key []byte, version *version.Height)

Delete overrides the function in UpdateMap for allowing the key to be a []byte instead of a string

func (HashedUpdateBatch) Put 

func (h HashedUpdateBatch) Put(ns, coll string, key []byte, value []byte, version *version.Height)

Put overrides the function in UpdateMap for allowing the key to be a []byte instead of a string

type LevelDBCommonStorageTestEnv 

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

LevelDBCommonStorageTestEnv implements TestEnv interface for leveldb based storage

func (*LevelDBCommonStorageTestEnv) Cleanup 

func (env *LevelDBCommonStorageTestEnv) Cleanup()

Cleanup implements corresponding function from interface TestEnv

func (*LevelDBCommonStorageTestEnv) GetDBHandle 

func (env *LevelDBCommonStorageTestEnv) GetDBHandle(id string) DB

GetDBHandle implements corresponding function from interface TestEnv

func (*LevelDBCommonStorageTestEnv) GetName 

func (env *LevelDBCommonStorageTestEnv) GetName() string

GetName implements corresponding function from interface TestEnv

func (*LevelDBCommonStorageTestEnv) Init 

func (env *LevelDBCommonStorageTestEnv) Init(t testing.TB)

Init implements corresponding function from interface TestEnv

type PubUpdateBatch 

type PubUpdateBatch struct {
	*statedb.UpdateBatch
}

PubUpdateBatch contains update for the public data

func NewPubUpdateBatch 

func NewPubUpdateBatch() *PubUpdateBatch

NewPubUpdateBatch creates an empty PubUpdateBatch

type PvtUpdateBatch 

type PvtUpdateBatch struct {
	UpdateMap
}

PvtUpdateBatch contains updates for the private data

func NewPvtUpdateBatch 

func NewPvtUpdateBatch() *PvtUpdateBatch

NewPvtUpdateBatch creates an empty PvtUpdateBatch

type TestEnv 

type TestEnv interface {
	Init(t testing.TB)
	GetDBHandle(id string) DB
	GetName() string
	Cleanup()
}

TestEnv - an interface that a test environment implements

type UpdateBatch 

type UpdateBatch struct {
	PubUpdates  *PubUpdateBatch
	HashUpdates *HashedUpdateBatch
	PvtUpdates  *PvtUpdateBatch
}

UpdateBatch encapsulates the updates to Public, Private, and Hashed data. This is expected to contain a consistent set of updates

func NewUpdateBatch 

func NewUpdateBatch() *UpdateBatch

NewUpdateBatch creates and empty UpdateBatch

type UpdateMap 

type UpdateMap map[string]nsBatch

UpdateMap maintains entries of tuple <Namespace, UpdatesForNamespace>

func (UpdateMap) Delete 

func (b UpdateMap) Delete(ns, coll, key string, version *version.Height)

Delete removes the entry from the batch for a given combination of namespace and collection name

func (UpdateMap) Get 

func (b UpdateMap) Get(ns, coll, key string) *statedb.VersionedValue

Get retrieves the value from the batch for a given combination of namespace and collection name

func (UpdateMap) IsEmpty 

func (b UpdateMap) IsEmpty() bool

IsEmpty returns true if there exists any updates

func (UpdateMap) Put 

func (b UpdateMap) Put(ns, coll, key string, value []byte, version *version.Height)

Put sets the value in the batch for a given combination of namespace and collection name

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