[#ChainstateManager-m_best_invalid]
= xref:ChainstateManager.adoc[ChainstateManager]::m&lowbar;best&lowbar;invalid
:relfileprefix: ../
:mrdocs:

Best known invalid block, tracked to detect a longer invalid chain than the valid one&period;

== Synopsis

Declared in `&lt;validation&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
&lsqb;&lsqb;guarded&lowbar;by(0x7f9513c46d18), guarded&lowbar;by(0x7f9502de84b8), guarded&lowbar;by(0x7f950b21ac88), guarded&lowbar;by(0x7f9514bf4c78)&rsqb;&rsqb;
xref:CBlockIndex.adoc[CBlockIndex]* m&lowbar;best&lowbar;invalid = &lcub;nullptr&rcub;;
----


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