[#CTxMemPool-exists-04]
= xref:CTxMemPool.adoc[CTxMemPool]::exists
:relfileprefix: ../
:mrdocs:

Returns whether a transaction with the given wtxid is in the mempool.

== Synopsis

Declared in `<txmempool.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
exists(xref:Wtxid.adoc[Wtxid] const& wtxid) const;
----

== Return Value

true if the transaction exists in the mempool.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *wtxid*
| The wtxid to look up.
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#