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WIP Make ChangeMembers trait fallible #5985

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apopiak wants to merge 10 commits into from
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WIP Make ChangeMembers trait fallible #5985

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4aac2f0
add ensure_can_change_members function to ChangeMembers trait and adj…
apopiak May 11, 2020
3a9fabb
adjust comments and return length
apopiak May 12, 2020
880d4bb
bump runtime spec version
apopiak May 12, 2020
787c0ef
remove todo, usage is safe
apopiak May 12, 2020
542088e
add MaxMembers limit to collective
apopiak May 12, 2020
a5fc3ac
return the new members from change_members instead of the length
apopiak May 12, 2020
b547837
remove unnecessary let
apopiak May 12, 2020
eae912d
Update frame/support/src/traits.rs
apopiak May 13, 2020
eed63fe
add some comments on safety, add an ensure check
apopiak May 13, 2020
bfe5153
Merge branch 'apopiak-change-members' of github.com:paritytech/substr…
apopiak May 13, 2020
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remove todo, usage is safe
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apopiak committed May 12, 2020
commit 787c0ef611548913d5fd4c971b35dbf4397602b6
1 change: 0 additions & 1 deletion frame/elections-phragmen/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -551,7 +551,6 @@ impl<T: Trait> Module<T> {
let old = [who.clone()];
// We don't need to check the actual new members length because it will be the same
// as before or one less.
// TODO: Is this safe without ensure_can_change_members?
let _ = match maybe_replacement {
Some(new) => T::ChangeMembers::change_members_sorted(&[new], &old, &members),
None => T::ChangeMembers::change_members_sorted(&[], &old, &members),
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