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Check unreserve and transfer returnvalues in debug code (#8398)

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* Check `unreserve` and `transfer` returnvalues in debug code

fixes #8106

* few more

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>
This commit is contained in:
Falco Hirschenberger
2021-03-24 18:35:05 +01:00
committed by GitHub
parent f93d7b874e
commit 9a72134188
13 changed files with 66 additions and 34 deletions
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substrate/frame/tips/src/lib.rs
+8 -4
View File
@@ -291,7 +291,8 @@ decl_module! {
Reasons::<T>::remove(&tip.reason);
Tips::<T>::remove(&hash);
if !tip.deposit.is_zero() {
let _ = T::Currency::unreserve(&who, tip.deposit);
let err_amount = T::Currency::unreserve(&who, tip.deposit);
debug_assert!(err_amount.is_zero());
}
Self::deposit_event(RawEvent::TipRetracted(hash));
}
@@ -505,7 +506,8 @@ impl<T: Config> Module<T> {
let mut payout = tips[tips.len() / 2].1.min(max_payout);
if !tip.deposit.is_zero() {
let _ = T::Currency::unreserve(&tip.finder, tip.deposit);
let err_amount = T::Currency::unreserve(&tip.finder, tip.deposit);
debug_assert!(err_amount.is_zero());
}
if tip.finders_fee && tip.finder != tip.who {
@@ -514,11 +516,13 @@ impl<T: Config> Module<T> {
payout -= finders_fee;
// this should go through given we checked it's at most the free balance, but still
// we only make a best-effort.
let _ = T::Currency::transfer(&treasury, &tip.finder, finders_fee, KeepAlive);
let res = T::Currency::transfer(&treasury, &tip.finder, finders_fee, KeepAlive);
debug_assert!(res.is_ok());
}
// same as above: best-effort only.
let _ = T::Currency::transfer(&treasury, &tip.who, payout, KeepAlive);
let res = T::Currency::transfer(&treasury, &tip.who, payout, KeepAlive);
debug_assert!(res.is_ok());
Self::deposit_event(RawEvent::TipClosed(hash, tip.who, payout));
}