util

Documentation

Index

• Variables
• func CreateCompositeKey(objectType string, attributes []string) (string, error)
• func GetConfigBlockFromOrderer(ctx context.Context, id msp.SigningIdentity, orderer api.Orderer, ...) (*common.Block, error)
• func GetEventFromEnvelope(envelopeData []byte) (*peer.ChaincodeEvent, error)
• func GetOrdererHostFromChannelConfig(conf *common.Config) (string, error)
• func IsErrUnsupportedTxType(err error) bool
• func LoadKeyPairFromMSP(mspPath string) ([]byte, []byte, error)
• func LoadKeypairByCert(mspPath string, certRawBytes []byte) (*x509.Certificate, interface{}, error)
• func NewChannelHeader(headerType common.HeaderType, txId string, channelId string, epoch uint64, ...) ([]byte, error)
• func NewGRPCConnectionFromConfigs(ctx context.Context, log *zap.Logger, conf ...config.ConnectionConfig) (*grpc.ClientConn, error)
• func NewGRPCOptionsFromConfig(c config.ConnectionConfig, log *zap.Logger) ([]grpc.DialOption, error)
• func NewPayloadFromHeader(channelHeader, signatureHeader, data []byte) ([]byte, error)
• func NewSignatureHeader(id msp.SigningIdentity, nonce []byte) ([]byte, error)
• func NewTxWithNonce(id msp.SigningIdentity) (string, []byte, error)
• func ProceedChannelUpdate(ctx context.Context, channelName string, update *common.ConfigUpdate, ...) error
• func RandStringBytesMaskImprSrc(n int) string
• func ReadAllFilesFromDir(dir string) ([][]byte, error)
• func SeekEnvelope(channelName string, startPos *orderer.SeekPosition, ...) (*common.Envelope, error)
• func SplitCompositeKey(compositeKey string) (string, []string)
• type ErrUnsupportedTxType
  • func (e *ErrUnsupportedTxType) Error() string

Variables

var (
	DefaultGRPCRetryConfig = &config.GRPCRetryConfig{
		Max:     10,
		Timeout: config.Duration{Duration: 10 * time.Second},
	}

	DefaultGRPCKeepAliveConfig = &config.GRPCKeepAliveConfig{
		Time:    60,
		Timeout: 5,
	}
)

var (
	ErrOrdererGroupNotFound = errors.New(`orderer addresses not found`)
)

Functions

func CreateCompositeKey

func CreateCompositeKey(objectType string, attributes []string) (string, error)

func GetConfigBlockFromOrderer

func GetConfigBlockFromOrderer(ctx context.Context, id msp.SigningIdentity, orderer api.Orderer, channelName string) (*common.Block, error)

GetConfigBlockFromOrderer returns config block from orderer by channel name

func GetEventFromEnvelope

func GetEventFromEnvelope(envelopeData []byte) (*peer.ChaincodeEvent, error)

GetEventFromEnvelope Deprecated: use proto.ParseBlock

func GetOrdererHostFromChannelConfig

func GetOrdererHostFromChannelConfig(conf *common.Config) (string, error)

func IsErrUnsupportedTxType

func IsErrUnsupportedTxType(err error) bool

func LoadKeyPairFromMSP

func LoadKeyPairFromMSP(mspPath string) ([]byte, []byte, error)

LoadKeyPairFromMSP - legacy method. loads ONLY cert from signcerts dir

func LoadKeypairByCert

func LoadKeypairByCert(mspPath string, certRawBytes []byte) (*x509.Certificate, interface{}, error)

LoadKeypairByCert - takes certificate raw bytes and tries to find suitable(by hash) private key in 'keystore' dir

func NewChannelHeader

func NewChannelHeader(headerType common.HeaderType, txId string, channelId string, epoch uint64, extension *peer.ChaincodeHeaderExtension) ([]byte, error)

NewChannelHeader returns new channel header bytes for presented transaction and channel

func NewGRPCConnectionFromConfigs

func NewGRPCConnectionFromConfigs(ctx context.Context, log *zap.Logger, conf ...config.ConnectionConfig) (*grpc.ClientConn, error)

NewGRPCConnectionFromConfigs - initilizes grpc connection with pool of adderesses with round-robin client balancer

func NewGRPCOptionsFromConfig

func NewGRPCOptionsFromConfig(c config.ConnectionConfig, log *zap.Logger) ([]grpc.DialOption, error)

NewGRPCOptionsFromConfig - adds tracing, TLS certs and connection limits

func NewPayloadFromHeader

func NewPayloadFromHeader(channelHeader, signatureHeader, data []byte) ([]byte, error)

NewPayloadFromHeader returns marshalled payload from headers and data

func NewSignatureHeader

func NewSignatureHeader(id msp.SigningIdentity, nonce []byte) ([]byte, error)

NewChannelHeader returns marshalled signature header for presented identity

func NewTxWithNonce

func NewTxWithNonce(id msp.SigningIdentity) (string, []byte, error)

NewTxWithNonce generates new transaction id with crypto nonce

func ProceedChannelUpdate

func ProceedChannelUpdate(
	ctx context.Context,
	channelName string,
	update *common.ConfigUpdate,
	orderer api.Orderer,
	ids []msp.SigningIdentity,
) error

ProceedChannelUpdate - sends channel update config with signatures of all provided identities

func RandStringBytesMaskImprSrc

func RandStringBytesMaskImprSrc(n int) string

RandStringBytesMaskImprSrc inspired by https://stackoverflow.com/questions/22892120/how-to-generate-a-random-string-of-a-fixed-length-in-go

func ReadAllFilesFromDir

func ReadAllFilesFromDir(dir string) ([][]byte, error)

ReadAllFilesFromDir - read all files from dir

func SeekEnvelope

func SeekEnvelope(channelName string, startPos *orderer.SeekPosition, stopPos *orderer.SeekPosition, identity msp.SigningIdentity) (*common.Envelope, error)

func SplitCompositeKey

func SplitCompositeKey(compositeKey string) (string, []string)

Types

type ErrUnsupportedTxType

type ErrUnsupportedTxType struct {
	Type string
}

func (*ErrUnsupportedTxType) Error

func (e *ErrUnsupportedTxType) Error() string