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allow defensive operations to take a proof (#11353)

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* allow defensive operations to take a proof

* Update frame/support/src/traits/misc.rs

Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Update frame/bags-list/src/list/mod.rs

Co-authored-by: Keith Yeung <kungfukeith11@gmail.com>

* Update frame/support/src/traits/misc.rs

Co-authored-by: Keith Yeung <kungfukeith11@gmail.com>

* Update frame/support/src/traits/misc.rs

Co-authored-by: Keith Yeung <kungfukeith11@gmail.com>

* Fix build

* fix build again

* fmt

Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
Co-authored-by: Keith Yeung <kungfukeith11@gmail.com>
This commit is contained in:
Kian Paimani
2022-05-06 14:25:07 +01:00
committed by GitHub
parent 9d57a674d7
commit e30c18d61d
3 changed files with 36 additions and 5 deletions
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substrate/frame/staking/src/slashing.rs
+3 -3
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@@ -56,7 +56,7 @@ use crate::{
use codec::{Decode, Encode};
use frame_support::{
ensure,
traits::{Currency, Get, Imbalance, OnUnbalanced},
traits::{Currency, Defensive, Get, Imbalance, OnUnbalanced},
};
use scale_info::TypeInfo;
use sp_runtime::{
@@ -600,8 +600,8 @@ pub fn do_slash<T: Config>(
slashed_imbalance: &mut NegativeImbalanceOf<T>,
slash_era: EraIndex,
) {
let controller = match <Pallet<T>>::bonded(stash) {
None => return, // defensive: should always exist.
let controller = match <Pallet<T>>::bonded(stash).defensive() {
None => return,
Some(c) => c,
};