broadcast

type ChannelSupport interface {
	msgprocessor.Processor
	Consenter
}

type ChannelSupportRegistrar interface {
	// BroadcastChannelSupport returns the message channel header, whether the message is a config update
	// and the channel resources for a message or an error if the message is not a message which can
	// be processed directly (like CONFIG and ORDERER_TRANSACTION messages)
	BroadcastChannelSupport(msg *cb.Envelope) (*cb.ChannelHeader, bool, ChannelSupport, error)
}

type Consenter interface {
	// Order accepts a message or returns an error indicating the cause of failure
	// It ultimately passes through to the consensus.Chain interface
	Order(env *cb.Envelope, configSeq uint64) error

	// Configure accepts a reconfiguration or returns an error indicating the cause of failure
	// It ultimately passes through to the consensus.Chain interface
	Configure(config *cb.Envelope, configSeq uint64) error

	// WaitReady blocks waiting for consenter to be ready for accepting new messages.
	// This is useful when consenter needs to temporarily block ingress messages so
	// that in-flight messages can be consumed. It could return error if consenter is
	// in erroneous states. If this blocking behavior is not desired, consenter could
	// simply return nil.
	WaitReady() error
}

type Handler struct {
	SupportRegistrar ChannelSupportRegistrar
	Metrics          *Metrics
}

type Metrics struct {
	ValidateDuration metrics.Histogram
	EnqueueDuration  metrics.Histogram
	ProcessedCount   metrics.Counter
}

type MetricsTracker struct {
	ValidateStartTime time.Time
	EnqueueStartTime  time.Time
	ValidateDuration  time.Duration
	ChannelID         string
	TxType            string
	Metrics           *Metrics
}