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

Returns the number of transactions in the mempool.

== Synopsis

Declared in `<txmempool.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
unsigned long
size() const;
----

== Return Value

The transaction count.


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