06082026/cnodestate copy - #5
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Both m_requested_hb_cmpctblocks & m_provides_cmpctblocks were protected by cs_main which is unnecessary. Instead convert them to std::atomic<bool> as Mutex is not needed. This way we don't need to worry about potential lock inversion in the future or thread safety annotations. Also, add a negative annotation to NewPoWValidBlock for m_peer_mutex since it now acquires it.
Also make the m_num_preferred_download_peers counter atomic and add an assert in FinalizeNode. The asserts for m_num_preferred_download_peers in FinalizeNode are still safe even without cs_main locking because of the implicit guarantee that ProcessMessage may not run for a peer at the same time as FinalizeNode. This has the nice benefit of being able to remove cs_main usage in some places.
-BEGIN VERIFY SCRIPT- sed -i "s/fPreferredDownload/m_preferred_download/g" $( git grep -l fPreferredDownload ) -END VERIFY SCRIPT-
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