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Tidy Democracy (#10867)

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* add test

* Assorted refactorings

* complete test

* saturating math

* final check

* use `default`

Co-authored-by: Gav Wood <gavin@parity.io>
This commit is contained in:
Shawn Tabrizi
2022-02-16 08:57:54 -07:00
committed by GitHub
parent 1a744befd4
commit ba8c882a7a
3 changed files with 79 additions and 13 deletions
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substrate/frame/democracy/src/tests/delegation.rs
+40 -1
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@@ -158,7 +158,7 @@ fn conviction_should_be_honored_in_delegation() {
// If transactor voted, delegated vote is overwritten.
new_test_ext().execute_with(|| {
let r = begin_referendum();
// Delegate, undelegate and vote.
// Delegate and vote.
assert_ok!(Democracy::delegate(Origin::signed(2), 1, Conviction::Locked6x, 20));
assert_ok!(Democracy::vote(Origin::signed(1), r, aye(1)));
// Delegated vote is huge.
@@ -177,3 +177,42 @@ fn split_vote_delegation_should_be_ignored() {
assert_eq!(tally(r), Tally { ayes: 1, nays: 0, turnout: 10 });
});
}
#[test]
fn redelegation_keeps_lock() {
// If transactor voted, delegated vote is overwritten.
new_test_ext().execute_with(|| {
let r = begin_referendum();
// Delegate and vote.
assert_ok!(Democracy::delegate(Origin::signed(2), 1, Conviction::Locked6x, 20));
assert_ok!(Democracy::vote(Origin::signed(1), r, aye(1)));
// Delegated vote is huge.
assert_eq!(tally(r), Tally { ayes: 121, nays: 0, turnout: 30 });
let mut prior_lock = vote::PriorLock::default();
// Locked balance of delegator exists
assert_eq!(VotingOf::<Test>::get(2).locked_balance(), 20);
assert_eq!(VotingOf::<Test>::get(2).prior(), &prior_lock);
// Delegate someone else at a lower conviction and amount
assert_ok!(Democracy::delegate(Origin::signed(2), 3, Conviction::None, 10));
// 6x prior should appear w/ locked balance.
prior_lock.accumulate(98, 20);
assert_eq!(VotingOf::<Test>::get(2).prior(), &prior_lock);
assert_eq!(VotingOf::<Test>::get(2).locked_balance(), 20);
// Unlock shouldn't work
assert_ok!(Democracy::unlock(Origin::signed(2), 2));
assert_eq!(VotingOf::<Test>::get(2).prior(), &prior_lock);
assert_eq!(VotingOf::<Test>::get(2).locked_balance(), 20);
fast_forward_to(100);
// Now unlock can remove the prior lock and reduce the locked amount.
assert_eq!(VotingOf::<Test>::get(2).prior(), &prior_lock);
assert_ok!(Democracy::unlock(Origin::signed(2), 2));
assert_eq!(VotingOf::<Test>::get(2).prior(), &vote::PriorLock::default());
assert_eq!(VotingOf::<Test>::get(2).locked_balance(), 10);
});
}