[#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(0x7f95135d11f8), guarded_by(0x7f9501b105d8), guarded_by(0x7f950ec767c8), guarded_by(0x7f9525ea6518), guarded_by(0x7f9515095c58), guarded_by(0x7f9508269ef8), guarded_by(0x7f94f856d608), guarded_by(0x7f9513c577f8)]]
mutable
uint64_t m_sequence_number = {1};
----


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