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Add notes about safe uses of twox (#6082)

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* Add notes about safe uses of twox

* Update frame/grandpa/src/lib.rs

Co-authored-by: Nikolay Volf <nikvolf@gmail.com>

* Update frame/elections/src/lib.rs

* Apply suggestions from code review

Co-authored-by: Gavin Wood <gavin@parity.io>
Co-authored-by: Nikolay Volf <nikvolf@gmail.com>
This commit is contained in:
Demi Obenour
2020-05-21 11:57:29 +00:00
committed by GitHub
parent a90c4232e3
commit ee6633e038
9 changed files with 41 additions and 0 deletions
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substrate/frame/identity/src/lib.rs
+4
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@@ -389,6 +389,8 @@ pub struct RegistrarInfo<
decl_storage! {
trait Store for Module<T: Trait> as Identity {
/// Information that is pertinent to identify the entity behind an account.
///
/// TWOX-NOTE: OK ― `AccountId` is a secure hash.
pub IdentityOf get(fn identity):
map hasher(twox_64_concat) T::AccountId => Option<Registration<BalanceOf<T>>>;
@@ -400,6 +402,8 @@ decl_storage! {
/// Alternative "sub" identities of this account.
///
/// The first item is the deposit, the second is a vector of the accounts.
///
/// TWOX-NOTE: OK ― `AccountId` is a secure hash.
pub SubsOf get(fn subs_of):
map hasher(twox_64_concat) T::AccountId => (BalanceOf<T>, Vec<T::AccountId>);