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net: improve nLastBlockTime and nLastTXTime documentation

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Co-authored-by: John Newbery <john@johnnewbery.com>
This commit is contained in:
Jon Atack 2020-09-01 17:40:32 +02:00
parent bab4cce1b0
commit d780293e1e
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2 changed files with 12 additions and 3 deletions
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4
src/net.cpp
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@ -904,10 +904,10 @@ bool CConnman::AttemptToEvictConnection()
// Protect the 8 nodes with the lowest minimum ping time.
// An attacker cannot manipulate this metric without physically moving nodes closer to the target.
EraseLastKElements(vEvictionCandidates, ReverseCompareNodeMinPingTime, 8);
// Protect 4 nodes that most recently sent us transactions.
// Protect 4 nodes that most recently sent us novel transactions accepted into our mempool.
// An attacker cannot manipulate this metric without performing useful work.
EraseLastKElements(vEvictionCandidates, CompareNodeTXTime, 4);
// Protect 4 nodes that most recently sent us blocks.
// Protect 4 nodes that most recently sent us novel blocks.
// An attacker cannot manipulate this metric without performing useful work.
EraseLastKElements(vEvictionCandidates, CompareNodeBlockTime, 4);
// Protect the half of the remaining nodes which have been connected the longest.