[#DEFAULT_MEMPOOL_EXPIRY_HOURS]
= DEFAULT&lowbar;MEMPOOL&lowbar;EXPIRY&lowbar;HOURS
:mrdocs:

Default for &hyphen;mempoolexpiry, expiration time for mempool transactions in hours

== Synopsis

Declared in `&lt;kernel&sol;mempool&lowbar;options&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
inline constexpr unsigned int DEFAULT&lowbar;MEMPOOL&lowbar;EXPIRY&lowbar;HOURS = &lcub;336&rcub;;
----


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