balances
impl_currency
* add withdrawreason note * improve comment * Update frame/balances/src/impl_currency.rs Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com> * cargo fmt +nightly --------- Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>