util

Documentation

Index

• func GetEventFromEnvelope(envelopeData []byte) (*peer.ChaincodeEvent, error)
• func GetMSPFromPolicy(policy string) ([]string, error)
• func LoadKeyPairFromMSP(mspPath string) ([]byte, []byte, error)
• func NewChannelHeader(headerType common.HeaderType, txId string, channelId string, epoch uint64, ...) ([]byte, 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 RandStringBytesMaskImprSrc(n int) string
• func SeekEnvelope(channelName string, startPos *orderer.SeekPosition, ...) (*common.Envelope, error)

Functions

func GetEventFromEnvelope

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

func GetMSPFromPolicy

func GetMSPFromPolicy(policy string) ([]string, error)

func LoadKeyPairFromMSP

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

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 NewGRPCOptionsFromConfig

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

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 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 SeekEnvelope

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