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Double maps require explicit second hasher #44

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Sep 28, 2019
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2 changes: 1 addition & 1 deletion kitchen/modules/double-map/src/lib.rs
Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,7 @@ pub type GroupIndex = u32;
decl_storage! {
trait Store for Module<T: Trait> as DMap {
// member score (double map)
MemberScore: double_map GroupIndex, T::AccountId => u32;
MemberScore: double_map GroupIndex, twox_128(T::AccountId) => u32;
// get group ID for member
GroupMembership get(group_membership): map T::AccountId => GroupIndex;
// for fast membership checks, see check-membership recipe for more details
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