events

type EventManager interface {
	NewPins() chan<- int64
	NewEvents() chan<- int64
	NewSubscriptions() chan<- *fftypes.UUID
	SubscriptionUpdates() chan<- *fftypes.UUID
	DeletedSubscriptions() chan<- *fftypes.UUID
	DeleteDurableSubscription(ctx context.Context, subDef *fftypes.Subscription) (err error)
	CreateUpdateDurableSubscription(ctx context.Context, subDef *fftypes.Subscription, mustNew bool) (err error)
	GetWebSocketStatus() *fftypes.WebSocketStatus
	Start() error
	WaitStop()

	// Bound blockchain callbacks
	BatchPinComplete(bi blockchain.Plugin, batch *blockchain.BatchPin, signingKey *fftypes.VerifierRef) error
	BlockchainEvent(event *blockchain.EventWithSubscription) error

	// Bound dataexchange callbacks
	DXEvent(dx dataexchange.Plugin, event dataexchange.DXEvent)

	// Bound sharedstorage callbacks
	SharedStorageBatchDownloaded(ss sharedstorage.Plugin, ns, payloadRef string, data []byte) (*fftypes.UUID, error)
	SharedStorageBlobDownloaded(ss sharedstorage.Plugin, hash fftypes.Bytes32, size int64, payloadRef string)

	// Bound token callbacks
	TokenPoolCreated(ti tokens.Plugin, pool *tokens.TokenPool) error
	TokensTransferred(ti tokens.Plugin, transfer *tokens.TokenTransfer) error
	TokensApproved(ti tokens.Plugin, approval *tokens.TokenApproval) error

	GetPlugins() []*fftypes.NodeStatusPlugin

	// Internal events
	sysmessaging.SystemEvents
}