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

In‐memory counter incremented every time a transaction is added to or removed from the mempool, used for external mempool tracking.

== Synopsis

Declared in `<txmempool.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[guarded_by(0x7ff37b41eaf8), guarded_by(0x7ff376fd64a8), guarded_by(0x7ff38def56c8), guarded_by(0x7ff3640f66d8), guarded_by(0x7ff3920f69c8), guarded_by(0x7ff37f5c8ae8), guarded_by(0x7ff37d00fd68), guarded_by(0x7ff374c13578)]]
mutable
uint64_t m_sequence_number = {1};
----


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