fabric: github.com/hyperledger/fabric/core/chaincode/persistence Index | Files | Directories

package persistence

import "github.com/hyperledger/fabric/core/chaincode/persistence"

Index

Package Files

chaincode_package.go persistence.go

Constants

const (
    // MetadataFile is the expected location of the metadata json document
    // in the top level of the chaincode package.
    MetadataFile = "metadata.json"

    // CodePackageFile is the expected location of the code package in the
    // top level of the chaincode package
    CodePackageFile = "code.tar.gz"
)

Variables

var LabelRegexp = regexp.MustCompile(`^[[:alnum:]][[:alnum:]_.+-]*$`)

LabelRegexp is the regular expression controlling the allowed characters for the package label.

func CCFileName Uses

func CCFileName(packageID string) string

func ValidateLabel Uses

func ValidateLabel(label string) error

ValidateLabel return an error if the provided label contains any invalid characters, as determined by LabelRegexp.

type ChaincodePackage Uses

type ChaincodePackage struct {
    Metadata    *ChaincodePackageMetadata
    CodePackage []byte
    DBArtifacts []byte
}

ChaincodePackage represents the un-tar-ed format of the chaincode package.

type ChaincodePackageLocator Uses

type ChaincodePackageLocator struct {
    ChaincodeDir string
}

func (*ChaincodePackageLocator) ChaincodePackageStreamer Uses

func (cpl *ChaincodePackageLocator) ChaincodePackageStreamer(packageID string) *ChaincodePackageStreamer

type ChaincodePackageMetadata Uses

type ChaincodePackageMetadata struct {
    Type  string `json:"type"`
    Path  string `json:"path"`
    Label string `json:"label"`
}

ChaincodePackageMetadata contains the information necessary to understand the embedded code package.

type ChaincodePackageParser Uses

type ChaincodePackageParser struct {
    MetadataProvider MetadataProvider
}

ChaincodePackageParser provides the ability to parse chaincode packages.

func (ChaincodePackageParser) Parse Uses

func (ccpp ChaincodePackageParser) Parse(source []byte) (*ChaincodePackage, error)

Parse parses a set of bytes as a chaincode package and returns the parsed package as a struct

type ChaincodePackageStreamer Uses

type ChaincodePackageStreamer struct {
    PackagePath string
}

func (*ChaincodePackageStreamer) Code Uses

func (cps *ChaincodePackageStreamer) Code() (*TarFileStream, error)

func (*ChaincodePackageStreamer) Exists Uses

func (cps *ChaincodePackageStreamer) Exists() bool

func (*ChaincodePackageStreamer) File Uses

func (cps *ChaincodePackageStreamer) File(name string) (tarFileStream *TarFileStream, err error)

func (*ChaincodePackageStreamer) Metadata Uses

func (cps *ChaincodePackageStreamer) Metadata() (*ChaincodePackageMetadata, error)

func (*ChaincodePackageStreamer) MetadataBytes Uses

func (cps *ChaincodePackageStreamer) MetadataBytes() ([]byte, error)

type CodePackageNotFoundErr Uses

type CodePackageNotFoundErr struct {
    PackageID string
}

CodePackageNotFoundErr is the error returned when a code package cannot be found in the persistence store

func (CodePackageNotFoundErr) Error Uses

func (e CodePackageNotFoundErr) Error() string

type FallbackPackageLocator Uses

type FallbackPackageLocator struct {
    ChaincodePackageLocator *ChaincodePackageLocator
    LegacyCCPackageLocator  LegacyCCPackageLocator
}

func (*FallbackPackageLocator) GetChaincodePackage Uses

func (fpl *FallbackPackageLocator) GetChaincodePackage(packageID string) (*ChaincodePackageMetadata, []byte, io.ReadCloser, error)

type FilesystemIO Uses

type FilesystemIO struct {
}

FilesystemIO is the production implementation of the IOWriter interface

func (*FilesystemIO) Exists Uses

func (*FilesystemIO) Exists(path string) (bool, error)

Exists checks whether a file exists

func (*FilesystemIO) MakeDir Uses

func (f *FilesystemIO) MakeDir(dirname string, mode os.FileMode) error

MakeDir makes a directory on the filesystem (and any necessary parent directories).

func (*FilesystemIO) ReadDir Uses

func (f *FilesystemIO) ReadDir(dirname string) ([]os.FileInfo, error)

ReadDir reads a directory from the filesystem

func (*FilesystemIO) ReadFile Uses

func (f *FilesystemIO) ReadFile(filename string) ([]byte, error)

ReadFile reads a file from the filesystem

func (*FilesystemIO) Remove Uses

func (f *FilesystemIO) Remove(name string) error

Remove removes a file from the filesystem - used for rolling back an in-flight Save operation upon a failure

func (*FilesystemIO) WriteFile Uses

func (f *FilesystemIO) WriteFile(path, name string, data []byte) error

WriteFile writes a file to the filesystem; it does so atomically by first writing to a temp file and then renaming the file so that if the operation crashes midway we're not stuck with a bad package

type IOReadWriter Uses

type IOReadWriter interface {
    ReadDir(string) ([]os.FileInfo, error)
    ReadFile(string) ([]byte, error)
    Remove(name string) error
    WriteFile(string, string, []byte) error
    MakeDir(string, os.FileMode) error
    Exists(path string) (bool, error)
}

IOReadWriter defines the interface needed for reading, writing, removing, and checking for existence of a specified file

type LegacyCCPackageLocator Uses

type LegacyCCPackageLocator interface {
    GetChaincodeDepSpec(nameVersion string) (*pb.ChaincodeDeploymentSpec, error)
}

type MetadataProvider Uses

type MetadataProvider interface {
    GetDBArtifacts(codePackage []byte) ([]byte, error)
}

MetadataProvider provides the means to retrieve metadata information (for instance the DB indexes) from a code package.

type Store Uses

type Store struct {
    Path       string
    ReadWriter IOReadWriter
}

Store holds the information needed for persisting a chaincode install package

func NewStore Uses

func NewStore(path string) *Store

NewStore creates a new chaincode persistence store using the provided path on the filesystem.

func (*Store) Delete Uses

func (s *Store) Delete(packageID string) error

Delete deletes a persisted chaincode. Note, there is no locking, so this should only be performed if the chaincode has already been marked built.

func (*Store) GetChaincodeInstallPath Uses

func (s *Store) GetChaincodeInstallPath() string

GetChaincodeInstallPath returns the path where chaincodes are installed

func (*Store) Initialize Uses

func (s *Store) Initialize()

Initialize checks for the existence of the _lifecycle chaincodes directory and creates it if it has not yet been created.

func (*Store) ListInstalledChaincodes Uses

func (s *Store) ListInstalledChaincodes() ([]chaincode.InstalledChaincode, error)

ListInstalledChaincodes returns an array with information about the chaincodes installed in the persistence store

func (*Store) Load Uses

func (s *Store) Load(packageID string) ([]byte, error)

Load loads a persisted chaincode install package bytes with the given packageID.

func (*Store) Save Uses

func (s *Store) Save(label string, ccInstallPkg []byte) (string, error)

Save persists chaincode install package bytes. It returns the hash of the chaincode install package

type TarFileStream Uses

type TarFileStream struct {
    TarFile    io.Reader
    FileStream io.Closer
}

func (*TarFileStream) Close Uses

func (tfs *TarFileStream) Close() error

func (*TarFileStream) Read Uses

func (tfs *TarFileStream) Read(p []byte) (int, error)

Directories

PathSynopsis
mockCode generated by counterfeiter.

Package persistence imports 17 packages (graph) and is imported by 12 packages. Updated 2020-06-07. Refresh now. Tools for package owners.