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Proposal: Defensive trait for infallible frame operations (#10626)

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* add a blueprint of how defensive traits could look like

* add something for arithmetic as well

* add some use cases in different pallets

* some build fixing

* Some new stuff and examples

* Fix deadly bug

* add more doc.

* undo faulty change to assets pallet

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

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

* some review comments

* remove draft comment

* Fix ident test

* Fix proxy tests as well

* a few new ideas

* Fix build

* Fix doc

Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
This commit is contained in:
Kian Paimani
2022-01-24 17:18:13 +01:00
committed by GitHub
parent 9daea28085
commit d1ff02d31e
11 changed files with 402 additions and 44 deletions
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substrate/frame/support/src/traits.rs
+6 -5
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@@ -50,12 +50,13 @@ pub use filter::{ClearFilterGuard, FilterStack, FilterStackGuard, InstanceFilter
mod misc;
pub use misc::{
defensive_prelude::{self, *},
Backing, ConstBool, ConstI128, ConstI16, ConstI32, ConstI64, ConstI8, ConstU128, ConstU16,
ConstU32, ConstU64, ConstU8, EnsureInherentsAreFirst, EqualPrivilegeOnly, EstimateCallFee,
ExecuteBlock, ExtrinsicCall, Get, GetBacking, GetDefault, HandleLifetime, IsSubType, IsType,
Len, OffchainWorker, OnKilledAccount, OnNewAccount, PreimageProvider, PreimageRecipient,
PrivilegeCmp, SameOrOther, Time, TryCollect, TryDrop, UnixTime, WrapperKeepOpaque,
WrapperOpaque,
ConstU32, ConstU64, ConstU8, DefensiveSaturating, EnsureInherentsAreFirst, EqualPrivilegeOnly,
EstimateCallFee, ExecuteBlock, ExtrinsicCall, Get, GetBacking, GetDefault, HandleLifetime,
IsSubType, IsType, Len, OffchainWorker, OnKilledAccount, OnNewAccount, PreimageProvider,
PreimageRecipient, PrivilegeCmp, SameOrOther, Time, TryCollect, TryDrop, UnixTime,
WrapperKeepOpaque, WrapperOpaque,
};
mod stored_map;