statecouchdb

package
v1.4.6 Latest Latest
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Published: Feb 25, 2020 License: Apache-2.0 Imports: 22 Imported by: 0

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Constants

This section is empty.

Variables

This section is empty.

Functions

func CleanupDB added in v1.1.0

func CleanupDB(t testing.TB, dbProvider statedb.VersionedDBProvider)

Types

type TestVDBEnv

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

TestVDBEnv provides a couch db backed versioned db for testing

func NewTestVDBEnv

func NewTestVDBEnv(t testing.TB) *TestVDBEnv

NewTestVDBEnv instantiates and new couch db backed TestVDB

func (*TestVDBEnv) Cleanup

func (env *TestVDBEnv) Cleanup()

Cleanup drops the test couch databases and closes the db provider

type VersionedDB

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

VersionedDB implements VersionedDB interface

func (*VersionedDB) ApplyUpdates

func (vdb *VersionedDB) ApplyUpdates(updates *statedb.UpdateBatch, height *version.Height) error

ApplyUpdates implements method in VersionedDB interface

func (*VersionedDB) BytesKeySupported added in v1.4.0

func (vdb *VersionedDB) BytesKeySupported() bool

BytesKeySupported implements method in VersionedDB interface

func (*VersionedDB) ClearCachedVersions added in v1.1.0

func (vdb *VersionedDB) ClearCachedVersions()

ClearCachedVersions clears committedVersions and revisionNumbers

func (*VersionedDB) Close

func (vdb *VersionedDB) Close()

Close implements method in VersionedDB interface

func (*VersionedDB) ExecuteQuery

func (vdb *VersionedDB) ExecuteQuery(namespace, query string) (statedb.ResultsIterator, error)

ExecuteQuery implements method in VersionedDB interface

func (*VersionedDB) ExecuteQueryWithMetadata added in v1.3.0

func (vdb *VersionedDB) ExecuteQueryWithMetadata(namespace, query string, metadata map[string]interface{}) (statedb.QueryResultsIterator, error)

ExecuteQueryWithMetadata implements method in VersionedDB interface

func (*VersionedDB) GetCachedVersion added in v1.1.0

func (vdb *VersionedDB) GetCachedVersion(namespace string, key string) (*version.Height, bool)

GetCachedVersion returns version from cache. `LoadCommittedVersions` function populates the cache

func (*VersionedDB) GetDBType added in v1.2.0

func (vdb *VersionedDB) GetDBType() string

GetDBType returns the hosted stateDB

func (*VersionedDB) GetLatestSavePoint

func (vdb *VersionedDB) GetLatestSavePoint() (*version.Height, error)

GetLatestSavePoint implements method in VersionedDB interface

func (*VersionedDB) GetState

func (vdb *VersionedDB) GetState(namespace string, key string) (*statedb.VersionedValue, error)

GetState implements method in VersionedDB interface

func (*VersionedDB) GetStateMultipleKeys

func (vdb *VersionedDB) GetStateMultipleKeys(namespace string, keys []string) ([]*statedb.VersionedValue, error)

GetStateMultipleKeys implements method in VersionedDB interface

func (*VersionedDB) GetStateRangeScanIterator

func (vdb *VersionedDB) GetStateRangeScanIterator(namespace string, startKey string, endKey string) (statedb.ResultsIterator, error)

GetStateRangeScanIterator implements method in VersionedDB interface startKey is inclusive endKey is exclusive

func (*VersionedDB) GetStateRangeScanIteratorWithMetadata added in v1.3.0

func (vdb *VersionedDB) GetStateRangeScanIteratorWithMetadata(namespace string, startKey string, endKey string, metadata map[string]interface{}) (statedb.QueryResultsIterator, error)

GetStateRangeScanIteratorWithMetadata implements method in VersionedDB interface startKey is inclusive endKey is exclusive metadata contains a map of additional query options

func (*VersionedDB) GetVersion added in v1.1.0

func (vdb *VersionedDB) GetVersion(namespace string, key string) (*version.Height, error)

GetVersion implements method in VersionedDB interface

func (*VersionedDB) LoadCommittedVersions added in v1.1.0

func (vdb *VersionedDB) LoadCommittedVersions(keys []*statedb.CompositeKey) error

LoadCommittedVersions populates committedVersions and revisionNumbers into cache. A bulk retrieve from couchdb is used to populate the cache. committedVersions cache will be used for state validation of readsets revisionNumbers cache will be used during commit phase for couchdb bulk updates

func (*VersionedDB) Open

func (vdb *VersionedDB) Open() error

Open implements method in VersionedDB interface

func (*VersionedDB) ProcessIndexesForChaincodeDeploy added in v1.2.0

func (vdb *VersionedDB) ProcessIndexesForChaincodeDeploy(namespace string, fileEntries []*ccprovider.TarFileEntry) error

ProcessIndexesForChaincodeDeploy creates indexes for a specified namespace

func (*VersionedDB) ValidateKeyValue added in v1.1.0

func (vdb *VersionedDB) ValidateKeyValue(key string, value []byte) error

ValidateKeyValue implements method in VersionedDB interface

type VersionedDBProvider

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

VersionedDBProvider implements interface VersionedDBProvider

func NewVersionedDBProvider

func NewVersionedDBProvider(metricsProvider metrics.Provider) (*VersionedDBProvider, error)

NewVersionedDBProvider instantiates VersionedDBProvider

func (*VersionedDBProvider) Close

func (provider *VersionedDBProvider) Close()

Close closes the underlying db instance

func (*VersionedDBProvider) GetDBHandle

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

GetDBHandle gets the handle to a named database

func (*VersionedDBProvider) HealthCheck added in v1.4.1

func (provider *VersionedDBProvider) HealthCheck(ctx context.Context) error

HealthCheck checks to see if the couch instance of the peer is healthy

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