* feat(contracts): rm multiline comments before check unused import
Signed-off-by: jsvisa <delweng@gmail.com>

* Revert "feat(contracts): rm multiline comments before check unused import"

This reverts commit 5ef475a4b3e86be2f2291b34c803b4ef1f12a50d.
Signed-off-by: jsvisa <delweng@gmail.com>

* feat(contracts): use atomic.Bool instead
Signed-off-by: jsvisa <delweng@gmail.com>

---------
Signed-off-by: jsvisa <delweng@gmail.com>