[#ChainstateManager-ActivateBestChains]
= xref:ChainstateManager.adoc[ChainstateManager]::ActivateBestChains
:relfileprefix: ../
:mrdocs:

Call ActivateBestChain() on every chainstate.

== Synopsis

Declared in `<validation.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[locks_excluded(0x7f2e1bc18218), locks_excluded(0x7f2e146b6568), locks_excluded(0x7f2e298fb938), locks_excluded(0x7f2e360b9098)]]
xref:util/Result.adoc[util::Result<void>]
ActivateBestChains();
----

== Return Value

A successful result, or an error if activation failed on any chainstate.


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