user

type AnonymousCenter interface {
	Center

	LoginAndGetToken(ctx context.Context, userName string) (token string, expires int64, err error)
	Login(ctx context.Context, userName string) (outCtx context.Context, err error)
}

type Center interface {
	ExtractUserInfoFromGRPCContext(ctx context.Context) (userInfo *Info, err error)
	NewToken(userInfo *Info) (string, error)
}

type Info struct {
	ID       uint64
	UserName string
}