[#Chainstate-m_target_blockhash]
= xref:Chainstate.adoc[Chainstate]::m_target_blockhash
:relfileprefix: ../
:mrdocs:

Target block for this chainstate. If this is not set, chainstate will target the most‐work, valid block. If this is set, ChainstateManager considers this a "historical" chainstate since it will only contain old blocks up to the target block, not newer blocks.

== Synopsis

Declared in `<validation.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[guarded_by(0x7f9513ab3d18), guarded_by(0x7f9502c96d88), guarded_by(0x7f9525448ab8), guarded_by(0x7f95173fed98)]]
std::optional<uint256> m_target_blockhash;
----


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