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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/contracts/src/lib.rs
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@@ -836,6 +836,8 @@ decl_storage! {
/// The subtrie counter.
pub AccountCounter: u64 = 0;
/// The code associated with a given account.
///
/// TWOX-NOTE: SAFE since `AccountId` is a secure hash.
pub ContractInfoOf: map hasher(twox_64_concat) T::AccountId => Option<ContractInfo<T>>;
}
}