[#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(0x7f2e1b5a1128), guarded_by(0x7f2e2721a138), guarded_by(0x7f2e421cb848), guarded_by(0x7f2e2880a808), guarded_by(0x7f2e3212db98), guarded_by(0x7f2e347f6228), guarded_by(0x7f2e2b05a698), guarded_by(0x7f2e2bee1d38)]]
mutable
uint64_t m_sequence_number = {1};
----


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