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Roger Dingledine
acb5b0d535
If we receive via 'post' a vote from a dir auth after the fetch_missing_votes cutoff, that means we didn't get it by the time we begin the "fetching missing votes from everybody else" phase, which means it is very likely to cause a consensus split if we count it. Instead, we reject it. But we still allow votes that we fetch ourselves after that cutoff. This is a demo branch for making progress on #4631. I've been running it on moria1 and it catches and handles real buggy behavior from directory authorities, e.g. Jan 28 15:59:50.804 [warn] Rejecting vote from 199.58.81.140 received at 2020-01-28 20:59:50; our cutoff for received votes is 2020-01-28 20:52:30 Jan 28 15:59:50.805 [warn] Rejected vote from 199.58.81.140 ("Vote received too late, would be dangerous to count it"). Jan 29 01:52:52.667 [warn] Rejecting vote from 204.13.164.118 received at 2020-01-29 06:52:52; our cutoff for received votes is 2020-01-29 06:52:30 Jan 29 01:52:52.669 [warn] Rejected vote from 204.13.164.118 ("Vote received too late, would be dangerous to count it"). Jan 29 04:53:26.323 [warn] Rejecting vote from 204.13.164.118 received at 2020-01-29 09:53:26; our cutoff for received votes is 2020-01-29 09:52:30 Jan 29 04:53:26.326 [warn] Rejected vote from 204.13.164.118 ("Vote received too late, would be dangerous to count it").