update changelog

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Hongrui Fang 2022-11-14 22:08:46 +08:00
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@ -6,6 +6,15 @@ This format is based on [Keep A Changelog](https://keepachangelog.com/en/1.0.0).
### Modified
- Mitigate potential DDoS attack(voting and unlocking repeatedly)
We fix this issue by posing cooldown time while retracting votes, encoded in
`ProposalTimingConfig`'s `minStakeVotingTime` field. Also to make sure that
stake owners can unlock their stakes in s reasonable time, we pose a maximum
time range width requirement while voting, encoded in `ProposalTimingConfig`'s `votingTimeRangeMaxWidth` field.
Included by [#209](https://github.com/Liqwid-Labs/agora/pull/209)
- Fix several vulnerabilities and bugs found by auditors.
Including: