txn

type CreateGroupType struct {
	User  model.UserID  `json:"user"`
	Group model.GroupID `json:"group"`
}

type TxnHandler struct {
	CreateGroupHandler createGroupHandler
	JoinGroupHandler   joinGroupHandler
	LeaveGroupHandler  leaveGroupHandler
	SendMessageHandler sendMessageHandler
	ReadMessageHandler readMessageHandler
}

type TxnHandlerInterface interface {
	Check(db.DB, interface{}) types.ResponseCheckTx
	Deliver(db.DB, interface{}) types.ResponseDeliverTx
}