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package
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 Go to latest Published: Jan 4, 2019 License: Apache-2.0 Imports: 12 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	// V1_1Capability indicates that Fabric 1.1 features are supported
	V1_1Capability = "V1_1"
	// V1_2Capability indicates that Fabric 1.2 features are supported
	V1_2Capability = "V1_2"
)
View Source 
const EmptyTransactionID = TransactionID("")

EmptyTransactionID represents a non-existing transaction (usually due to error).

View Source 
const SystemChannel = ""

SystemChannel is the Fabric channel for managaing resources.

Variables

This section is empty.

Functions

This section is empty.

Types

type BalancerType 

type BalancerType string

BalancerType is the load-balancer type 

const (
	// RoundRobin (default) chooses endorsers in a round-robin fashion
	RoundRobin BalancerType = "RoundRobin"

	// Random chooses endorsers randomly
	Random BalancerType = "Random"
)

type BlockEvent 

type BlockEvent struct {
	// Block is the block that was committed
	Block *cb.Block
	// SourceURL specifies the URL of the peer that produced the event
	SourceURL string
}

BlockEvent contains the data for the block event

type BlockFilter 

type BlockFilter func(block *cb.Block) bool

BlockFilter is a function that determines whether a Block event should be ignored

type BlockchainInfoResponse 

type BlockchainInfoResponse struct {
	BCI      *common.BlockchainInfo
	Endorser string
	Status   int32
}

BlockchainInfoResponse wraps blockchain info with endorser info

type CCEvent 

type CCEvent struct {
	// TxID is the ID of the transaction in which the event was set
	TxID string
	// ChaincodeID is the ID of the chaincode that set the event
	ChaincodeID string
	// EventName is the name of the chaincode event
	EventName string
	// Payload contains the payload of the chaincode event
	// NOTE: Payload will be nil for filtered events
	Payload []byte
	// BlockNumber contains the block number in which the
	// chaincode event was committed
	BlockNumber uint64
	// SourceURL specifies the URL of the peer that produced the event
	SourceURL string
}

CCEvent contains the data for a chaincode event

type CertKeyPair 

type CertKeyPair struct {
	Cert []byte
	Key  []byte
}

CertKeyPair contains the private key and certificate

type CertPool 

type CertPool interface {
	// Get returns the cert pool, optionally adding the provided certs
	Get() (*x509.CertPool, error)
	//Add allows adding certificates to CertPool
	//Call Get() after Add() to get the updated certpool
	Add(certs ...*x509.Certificate)
}

CertPool is a thread safe wrapper around the x509 standard library cert pool implementation.

type ChaincodeCall 

type ChaincodeCall struct {
	ID          string
	Collections []string
}

ChaincodeCall contains the ID of the chaincode as well as an optional set of private data collections that may be accessed by the chaincode.

type ChaincodeInvokeRequest 

type ChaincodeInvokeRequest struct {
	ChaincodeID  string
	TransientMap map[string][]byte
	Fcn          string
	Args         [][]byte
}

ChaincodeInvokeRequest contains the parameters for sending a transaction proposal.

type ChannelCfg 

type ChannelCfg interface {
	ID() string
	BlockNumber() uint64
	MSPs() []*mspCfg.MSPConfig
	AnchorPeers() []*OrgAnchorPeer
	Orderers() []string
	Versions() *Versions
	HasCapability(group ConfigGroupKey, capability string) bool
}

ChannelCfg contains channel configuration

type ChannelConfig 

type ChannelConfig interface {

	// Query channel configuration
	Query(reqCtx reqContext.Context) (ChannelCfg, error)
}

ChannelConfig allows for interaction with peer regarding channel configuration

type ChannelEndpointConfig 

type ChannelEndpointConfig struct {
	// Orderers list of ordering service nodes
	Orderers []string
	// Peers a list of peer-channels that are part of this organization
	// to get the real Peer config object, use the Name field and fetch NetworkConfig.Peers[Name]
	Peers map[string]PeerChannelConfig
	//Policies list of policies for channel
	Policies ChannelPolicies
}

ChannelEndpointConfig provides the definition of channels for the network

type ChannelMembership 

type ChannelMembership interface {
	// Validate if the given ID was issued by the channel's members
	Validate(serializedID []byte) error
	// Verify the given signature
	Verify(serializedID []byte, msg []byte, sig []byte) error
	//Check is given MSP is available
	ContainsMSP(msp string) bool
}

ChannelMembership helps identify a channel's members

type ChannelPeer 

type ChannelPeer struct {
	PeerChannelConfig
	NetworkPeer
}

ChannelPeer combines channel peer info with raw peerConfig info

type ChannelPolicies 

type ChannelPolicies struct {
	//Policy for querying channel block
	QueryChannelConfig QueryChannelConfigPolicy
	Discovery          DiscoveryPolicy
	Selection          SelectionPolicy
	EventService       EventServicePolicy
}

ChannelPolicies defines list of policies defined for a channel

type ChannelProvider 

type ChannelProvider interface {
	ChannelService(ctx ClientContext, channelID string) (ChannelService, error)
}

ChannelProvider supplies Channel related-objects for the named channel.

type ChannelService 

type ChannelService interface {
	Config() (ChannelConfig, error)
	EventService(opts ...options.Opt) (EventService, error)
	Membership() (ChannelMembership, error)
	ChannelConfig() (ChannelCfg, error)
	Transactor(reqCtx reqContext.Context) (Transactor, error)
	Discovery() (DiscoveryService, error)
	Selection() (SelectionService, error)
}

ChannelService supplies services related to a channel.

type ClientContext 

type ClientContext interface {
	core.Providers
	msp.Providers
	Providers
	msp.SigningIdentity
}

ClientContext contains the client context

type CommManager 

type CommManager interface {
	DialContext(ctx reqContext.Context, target string, opts ...grpc.DialOption) (*grpc.ClientConn, error)
	ReleaseConn(conn *grpc.ClientConn)
}

CommManager enables network communication.

type ConfigGroupKey 

type ConfigGroupKey string

ConfigGroupKey is the config group key 

const (
	// ChannelGroupKey is the Channel config group key
	ChannelGroupKey ConfigGroupKey = ""
	// OrdererGroupKey is the Orderer config group key
	OrdererGroupKey ConfigGroupKey = "Orderer"
	// ApplicationGroupKey is the Application config group key
	ApplicationGroupKey ConfigGroupKey = "Application"
)

type ConnectionEvent 

type ConnectionEvent struct {
	Connected bool
	Err       error
}

ConnectionEvent is sent when the client disconnects from or reconnects to the event server. Connected == true means that the client has connected, whereas Connected == false means that the client has disconnected. In the disconnected case, Err contains the disconnect error.

type DiscoveryPolicy 

type DiscoveryPolicy struct {
	MinResponses int
	MaxTargets   int
	RetryOpts    retry.Opts
}

DiscoveryPolicy defines policy for discovery

type DiscoveryService 

type DiscoveryService interface {
	GetPeers() ([]Peer, error)
}

DiscoveryService is used to discover eligible peers on specific channel

type EnabledDisabled 

type EnabledDisabled string

EnabledDisabled specifies whether or not a feature is enabled 

const (
	// Enabled indicates that the feature is enabled.
	Enabled EnabledDisabled = "Enabled"

	// Disabled indicates that the feature is disabled.
	Disabled EnabledDisabled = "Disabled"
)

type EndpointConfig 

type EndpointConfig interface {
	Timeout(TimeoutType) time.Duration
	OrderersConfig() []OrdererConfig
	OrdererConfig(nameOrURL string) (*OrdererConfig, bool)
	PeersConfig(org string) ([]PeerConfig, bool)
	PeerConfig(nameOrURL string) (*PeerConfig, bool)
	NetworkConfig() *NetworkConfig
	NetworkPeers() []NetworkPeer
	ChannelConfig(name string) *ChannelEndpointConfig
	ChannelPeers(name string) []ChannelPeer
	ChannelOrderers(name string) []OrdererConfig
	TLSCACertPool() CertPool
	TLSClientCerts() []tls.Certificate
	CryptoConfigPath() string
}

EndpointConfig contains endpoint network configurations

type EventClient 

type EventClient interface {
	EventService

	// Connect connects to the event server.
	Connect() error

	// Close closes the connection to the event server and releases all resources.
	// Once this function is invoked the client may no longer be used.
	Close()

	// CloseIfIdle closes the connection to the event server only if there are no outstanding
	// registrations.
	// Returns true if the client was closed. In this case the client may no longer be used.
	// A return value of false indicates that the client could not be closed since
	// there was at least one registration.
	CloseIfIdle() bool

	// TransferRegistrations transfers all registrations into an EventSnapshot.
	// The registrations are not closed and may be transferred to a new event client.
	// - close: If true then the client will also be closed
	TransferRegistrations(close bool) (EventSnapshot, error)
}

EventClient is a client that connects to a peer and receives channel events such as block, filtered block, chaincode, and transaction status events.

type EventService 

type EventService interface {
	// RegisterBlockEvent registers for block events. If the caller does not have permission
	// to register for block events then an error is returned.
	// Note that Unregister must be called when the registration is no longer needed.
	// - filter is an optional filter that filters out unwanted events. (Note: Only one filter may be specified.)
	// - Returns the registration and a channel that is used to receive events. The channel
	//   is closed when Unregister is called.
	RegisterBlockEvent(filter ...BlockFilter) (Registration, <-chan *BlockEvent, error)

	// RegisterFilteredBlockEvent registers for filtered block events.
	// Note that Unregister must be called when the registration is no longer needed.
	// - Returns the registration and a channel that is used to receive events. The channel
	//   is closed when Unregister is called.
	RegisterFilteredBlockEvent() (Registration, <-chan *FilteredBlockEvent, error)

	// RegisterChaincodeEvent registers for chaincode events.
	// Note that Unregister must be called when the registration is no longer needed.
	// - ccID is the chaincode ID for which events are to be received
	// - eventFilter is the chaincode event filter (regular expression) for which events are to be received
	// - Returns the registration and a channel that is used to receive events. The channel
	//   is closed when Unregister is called.
	RegisterChaincodeEvent(ccID, eventFilter string) (Registration, <-chan *CCEvent, error)

	// RegisterTxStatusEvent registers for transaction status events.
	// Note that Unregister must be called when the registration is no longer needed.
	// - txID is the transaction ID for which events are to be received
	// - Returns the registration and a channel that is used to receive events. The channel
	//   is closed when Unregister is called.
	RegisterTxStatusEvent(txID string) (Registration, <-chan *TxStatusEvent, error)

	// Unregister removes the given registration and closes the event channel.
	// - reg is the registration handle that was returned from one of the Register functions
	Unregister(reg Registration)
}

EventService is a service that receives events such as block, filtered block, chaincode, and transaction status events.

type EventServicePolicy 

type EventServicePolicy struct {
	// ResolverStrategy returns the peer resolver strategy to use when connecting to a peer
	// Default: MinBlockHeightPeerResolver
	ResolverStrategy ResolverStrategy

	// Balancer is the balancer to use when choosing a peer to connect to
	Balancer BalancerType

	// MinBlockHeightResolverMode specifies the behaviour of the MinBlockHeight resolver. Note that this
	// parameter is used when ResolverStrategy is either MinBlockHeightStrategy or PreferOrgStrategy.
	// ResolveByThreshold (default): resolves to peers based on block height lag threshold, as specified by BlockHeightLagThreshold.
	// MinBlockHeightResolverMode: then only the peers with the latest block heights are chosen.
	MinBlockHeightResolverMode MinBlockHeightResolverMode

	// BlockHeightLagThreshold returns the block height lag threshold. This value is used for choosing a peer
	// to connect to. If a peer is lagging behind the most up-to-date peer by more than the given number of
	// blocks then it will be excluded from selection.
	BlockHeightLagThreshold int

	// PeerMonitor indicates whether or not to enable the peer monitor.
	PeerMonitor EnabledDisabled

	// ReconnectBlockHeightLagThreshold - if >0 then the event client will disconnect from the peer if the peer's
	// block height falls behind the specified number of blocks and will reconnect to a better performing peer.
	// If set to 0 (default) then the peer will not disconnect based on block height.
	// NOTE: Setting this value too low may cause the event client to disconnect/reconnect too frequently, thereby
	// affecting performance.
	ReconnectBlockHeightLagThreshold int

	// PeerMonitorPeriod is the period in which the connected peer is monitored to see if
	// the event client should disconnect from it and reconnect to another peer.
	// If set to 0 then the peer will not be monitored and will not be disconnected.
	PeerMonitorPeriod time.Duration
}

EventServicePolicy specifies the policy for the event service

type EventSnapshot 

type EventSnapshot interface {
	// LastBlockReceived returns the block number of the last block received at the time
	// that the snapshot was taken.
	LastBlockReceived() uint64

	// BlockRegistrations returns the block registrations.
	BlockRegistrations() []Registration

	// FilteredBlockRegistrations returns the filtered block registrations.
	FilteredBlockRegistrations() []Registration

	// CCRegistrations returns the chaincode registrations.
	CCRegistrations() []Registration

	// TxStatusRegistrations returns the transaction status registrations.
	TxStatusRegistrations() []Registration

	// Closes all registrations
	Close()
}

EventSnapshot contains a snapshot of the event client before it was stopped. The snapshot includes all of the event registrations and the last block received.

type FilteredBlockEvent 

type FilteredBlockEvent struct {
	// FilteredBlock contains a filtered version of the block that was committed
	FilteredBlock *pb.FilteredBlock
	// SourceURL specifies the URL of the peer that produced the event
	SourceURL string
}

FilteredBlockEvent contains the data for a filtered block event

type InfraProvider 

type InfraProvider interface {
	CreatePeerFromConfig(peerCfg *NetworkPeer) (Peer, error)
	CreateOrdererFromConfig(cfg *OrdererConfig) (Orderer, error)
	CommManager() CommManager
	Close()
}

InfraProvider enables access to fabric objects such as peer and user based on config or

type LocalDiscoveryProvider 

type LocalDiscoveryProvider interface {
	CreateLocalDiscoveryService(mspID string) (DiscoveryService, error)
}

LocalDiscoveryProvider is used to discover peers in the local MSP

type MinBlockHeightResolverMode 

type MinBlockHeightResolverMode string

MinBlockHeightResolverMode specifies the behaviour of the MinBlockHeight resolver strategy. 

const (
	// ResolveByThreshold resolves to peers based on block height lag threshold.
	ResolveByThreshold MinBlockHeightResolverMode = "ResolveByThreshold"

	// ResolveLatest resolves to peers with the most up-to-date block height
	ResolveLatest MinBlockHeightResolverMode = "ResolveLatest"
)

type NetworkConfig 

type NetworkConfig struct {
	Channels      map[string]ChannelEndpointConfig
	Organizations map[string]OrganizationConfig
	Orderers      map[string]OrdererConfig
	Peers         map[string]PeerConfig
}

NetworkConfig provides a static definition of endpoint configuration network

type NetworkPeer 

type NetworkPeer struct {
	PeerConfig
	MSPID string
}

NetworkPeer combines peer info with MSP info

type Orderer 

type Orderer interface {
	URL() string
	SendBroadcast(ctx reqContext.Context, envelope *SignedEnvelope) (*common.Status, error)
	SendDeliver(ctx reqContext.Context, envelope *SignedEnvelope) (chan *common.Block, chan error)
}

Orderer The Orderer class represents a peer in the target blockchain network to which HFC sends a block of transactions of endorsed proposals requiring ordering.

type OrdererConfig 

type OrdererConfig struct {
	URL         string
	GRPCOptions map[string]interface{}
	TLSCACert   *x509.Certificate
}

OrdererConfig defines an orderer configuration

type OrgAnchorPeer 

type OrgAnchorPeer struct {
	Org  string
	Host string
	Port int32
}

OrgAnchorPeer contains information about an anchor peer on this channel

type OrganizationConfig 

type OrganizationConfig struct {
	MSPID                  string
	CryptoPath             string
	Users                  map[string]CertKeyPair
	Peers                  []string
	CertificateAuthorities []string
}

OrganizationConfig provides the definition of an organization in the network

type Peer 

type Peer interface {
	ProposalProcessor
	// MSPID gets the Peer mspID.
	MSPID() string

	//URL gets the peer address
	URL() string
}

The Peer class represents a peer in the target blockchain network to which HFC sends endorsement proposals or query requests.

type PeerChannelConfig 

type PeerChannelConfig struct {
	EndorsingPeer  bool
	ChaincodeQuery bool
	LedgerQuery    bool
	EventSource    bool
}

PeerChannelConfig defines the peer capabilities

type PeerConfig 

type PeerConfig struct {
	URL         string
	GRPCOptions map[string]interface{}
	TLSCACert   *x509.Certificate
}

PeerConfig defines a peer configuration

type PeerState 

type PeerState interface {
	BlockHeight() uint64
}

PeerState provides state information about the Peer

type PrioritySelector 

type PrioritySelector interface {
	// A positive return value means peer1 is selected
	// A negative return value means the peer2 is selected
	// Zero return value means their priorities are the same
	Compare(peer1, peer2 Peer) int
}

PrioritySelector determines how likely a peer is to be selected over another peer

type ProcessProposalRequest 

type ProcessProposalRequest struct {
	SignedProposal *pb.SignedProposal
}

ProcessProposalRequest requests simulation of a proposed transaction from transaction processors.

type ProposalProcessor 

type ProposalProcessor interface {
	ProcessTransactionProposal(reqContext.Context, ProcessProposalRequest) (*TransactionProposalResponse, error)
}

ProposalProcessor simulates transaction proposal, so that a client can submit the result for ordering.

type ProposalSender 

type ProposalSender interface {
	CreateTransactionHeader(opts ...TxnHeaderOpt) (TransactionHeader, error)
	SendTransactionProposal(*TransactionProposal, []ProposalProcessor) ([]*TransactionProposalResponse, error)
}

ProposalSender provides the ability for a transaction proposal to be created and sent.

type Providers 

type Providers interface {
	LocalDiscoveryProvider() LocalDiscoveryProvider
	ChannelProvider() ChannelProvider
	InfraProvider() InfraProvider
	EndpointConfig() EndpointConfig
}

Providers represents the SDK configured service providers context.

type QueryChannelConfigPolicy 

type QueryChannelConfigPolicy struct {
	MinResponses int
	MaxTargets   int
	RetryOpts    retry.Opts
}

QueryChannelConfigPolicy defines policy for channelConfigBlock

type Registration 

type Registration interface{}

Registration is a handle that is returned from a successful RegisterXXXEvent. This handle should be used in Unregister in order to unregister the event.

type ResolverStrategy 

type ResolverStrategy string

ResolverStrategy is the peer resolver type 

const (
	// BalancedStrategy is a peer resolver strategy that chooses peers based on a configured load balancer
	BalancedStrategy ResolverStrategy = "Balanced"

	// MinBlockHeightStrategy is a peer resolver strategy that chooses the best peer according to a block height lag threshold.
	// The maximum block height of all peers is determined and the peers whose block heights are under the maximum height but above
	// a provided "lag" threshold are load balanced. The other peers are not considered.
	MinBlockHeightStrategy ResolverStrategy = "MinBlockHeight"

	// PreferOrgStrategy is a peer resolver strategy that determines which peers are suitable based on block height lag threshold,
	// although will prefer the peers in the current org (as long as their block height is above a configured threshold).
	// If none of the peers from the current org are suitable then a peer from another org is chosen.
	PreferOrgStrategy ResolverStrategy = "PreferOrg"
)

type SelectionPolicy 

type SelectionPolicy struct {
	// SortingStrategy is the endorser sorting strategy to use
	SortingStrategy SelectionSortingStrategy

	// BalancerType is the balancer to use in order to load-balance calls to endorsers
	Balancer BalancerType

	// BlockHeightLagThreshold is the number of blocks from the highest block number of a group of peers
	// that a peer can lag behind and still be considered to be up-to-date. These peers will be sorted
	// using the given Balancer. If a peer's block height falls behind this threshold then it will be
	// demoted to a lower priority list of peers which will be sorted according to block height.
	// Note: This property only applies to BlockHeightPriority sorter
	BlockHeightLagThreshold int
}

SelectionPolicy defines policy for selection

type SelectionService 

type SelectionService interface {
	// GetEndorsersForChaincode returns a set of peers that should satisfy the endorsement
	// policies of all of the given chaincodes.
	// A set of options may be provided to the selection service. Note that the type of options
	// may vary depending on the specific selection service implementation.
	GetEndorsersForChaincode(chaincodes []*ChaincodeCall, opts ...options.Opt) ([]Peer, error)
}

SelectionService selects peers for endorsement and commit events

type SelectionSortingStrategy 

type SelectionSortingStrategy string

SelectionSortingStrategy is the endorser selection sorting strategy 

const (
	// BlockHeightPriority (default) is a load-balancing selection sorting strategy
	// which also prioritizes peers at a block height that is above a certain "lag" threshold.
	BlockHeightPriority SelectionSortingStrategy = "BlockHeightPriority"

	// Balanced is a load-balancing selection sorting strategy
	Balanced SelectionSortingStrategy = "Balanced"
)

type Sender 

type Sender interface {
	CreateTransaction(request TransactionRequest) (*Transaction, error)
	SendTransaction(tx *Transaction) (*TransactionResponse, error)
}

Sender provides the ability for a transaction to be created and sent.

TODO: CreateTransaction should be refactored as it is actually a factory method.

type SignedEnvelope 

type SignedEnvelope struct {
	Payload   []byte
	Signature []byte
}

A SignedEnvelope can can be sent to an orderer for broadcasting

type TargetFilter 

type TargetFilter interface {
	// Accept returns true if peer should be included in the list of target peers
	Accept(peer Peer) bool
}

TargetFilter allows for filtering target peers

type TargetSorter 

type TargetSorter interface {
	// Returns the sorted peers
	Sort(peers []Peer) []Peer
}

TargetSorter allows for sorting target peers

type TimeoutType 

type TimeoutType int

TimeoutType enumerates the different types of outgoing connections 

const (
	// PeerConnection connection timeout
	PeerConnection TimeoutType = iota
	// EventReg connection timeout
	EventReg
	// Query timeout
	Query
	// Execute timeout
	Execute
	// OrdererConnection orderer connection timeout
	OrdererConnection
	// OrdererResponse orderer response timeout
	OrdererResponse
	// DiscoveryGreylistExpiry discovery Greylist expiration period
	DiscoveryGreylistExpiry
	// ConnectionIdle is the timeout for closing idle connections
	ConnectionIdle
	// CacheSweepInterval is the duration between cache sweeps
	CacheSweepInterval
	// EventServiceIdle is the timeout for closing the event service connection
	EventServiceIdle
	// PeerResponse peer response timeout
	PeerResponse
	// ResMgmt timeout is default overall timeout for all resource management operations
	ResMgmt
	// ChannelConfigRefresh channel configuration refresh interval
	ChannelConfigRefresh
	// ChannelMembershipRefresh channel membership refresh interval
	ChannelMembershipRefresh
	// DiscoveryConnection discovery connection timeout
	DiscoveryConnection
	// DiscoveryResponse discovery response timeout
	DiscoveryResponse
	// DiscoveryServiceRefresh discovery service refresh interval
	DiscoveryServiceRefresh
	// SelectionServiceRefresh selection service refresh interval
	SelectionServiceRefresh
)

type Transaction 

type Transaction struct {
	Proposal    *TransactionProposal
	Transaction *pb.Transaction
}

The Transaction object created from an endorsed proposal.

type TransactionHeader 

type TransactionHeader interface {
	TransactionID() TransactionID
	Creator() []byte
	Nonce() []byte
	ChannelID() string
}

TransactionHeader provides a handle to transaction metadata.

type TransactionID 

type TransactionID string

TransactionID provides the identifier of a Fabric transaction proposal.

type TransactionProposal 

type TransactionProposal struct {
	TxnID TransactionID
	*pb.Proposal
}

TransactionProposal contains a marashalled transaction proposal.

type TransactionProposalResponse 

type TransactionProposalResponse struct {
	Endorser string
	// Status is the EndorserStatus
	Status int32
	// ChaincodeStatus is the status returned by Chaincode
	ChaincodeStatus int32
	*pb.ProposalResponse
}

TransactionProposalResponse respresents the result of transaction proposal processing.

type TransactionRequest 

type TransactionRequest struct {
	Proposal          *TransactionProposal
	ProposalResponses []*TransactionProposalResponse
}

TransactionRequest holds endorsed Transaction Proposals.

type TransactionResponse 

type TransactionResponse struct {
	Orderer string
}

TransactionResponse contains information returned by the orderer.

type Transactor 

type Transactor interface {
	Sender
	ProposalSender
}

Transactor supplies methods for sending transaction proposals and transactions.

type TxStatusEvent 

type TxStatusEvent struct {
	// TxID is the ID of the transaction in which the event was set
	TxID string
	// TxValidationCode is the status code of the commit
	TxValidationCode pb.TxValidationCode
	// BlockNumber contains the block number in which the
	// transaction was committed
	BlockNumber uint64
	// SourceURL specifies the URL of the peer that produced the event
	SourceURL string
}

TxStatusEvent contains the data for a transaction status event

type TxnHeaderOpt 

type TxnHeaderOpt func(*TxnHeaderOptions)

TxnHeaderOpt is a Transaction Header option

func WithCreator 

func WithCreator(creator []byte) TxnHeaderOpt

WithCreator specifies the creator to use when creating the Transaction Header

func WithNonce 

func WithNonce(nonce []byte) TxnHeaderOpt

WithNonce specifies the nonce to use when creating the Transaction Header

type TxnHeaderOptions 

type TxnHeaderOptions struct {
	Nonce   []byte
	Creator []byte
}

TxnHeaderOptions contains options for creating a Transaction Header

type Versions 

type Versions struct {
	ReadSet  *common.ConfigGroup
	WriteSet *common.ConfigGroup
	Channel  *common.ConfigGroup
}

Versions ...

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