notify

type Message string

type Notification[T NotificationPayload] struct {
	Msg     Message         `json:"msg"`
	Meta    *types.MetaData `json:"meta"`
	Payload T               `json:"payload"`
}

type NotificationPayload interface {
	[]NotificationPayloadAppearance |
		[]NotificationPayloadChunkWritten |
		NotificationPayloadChunkWritten |
		string
}

type NotificationPayloadAppearance struct {
	Address string `json:"address"`
	// We use string for block number to ensure it's never
	// too big
	BlockNumber      string `json:"blockNumber"`
	TransactionIndex uint32 `json:"txid"`
}

type NotificationPayloadChunkWritten struct {
	Cid    string `json:"cid"`
	Range  string `json:"range"`
	Author string `json:"author"`
}