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Fix election calling confirm_if_quorum after destruction (#2563)

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When insert_inactive_votes_cache confirms the election it deletes itself from the active roots, causing the next confirm_if_quorum call to access freed memory.
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Guilherme Lawless 2020-02-17 15:54:11 +00:00 • committed by GitHub
commit ec886e7bb0
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nano/node/election.cpp
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@ -220,7 +220,6 @@ bool nano::election::publish (std::shared_ptr<nano::block> block_a)
{
blocks.emplace (std::make_pair (block_a->hash (), block_a));
insert_inactive_votes_cache (block_a->hash ());
confirm_if_quorum ();
node.network.flood_block (block_a, false);
}
else