In-memory counter incremented every time a transaction is added to or removed from the mempool, used for external mempool tracking.
Declared in <txmempool.h>
[[guarded_by(0x7fbc8f682c08), guarded_by(0x7fbc95d44968), guarded_by(0x7fbca708a628), guarded_by(0x7fbc86272ec8), guarded_by(0x7fbca78975a8), guarded_by(0x7fbc84ab8bf8), guarded_by(0x7fbc870f80f8), guarded_by(0x7fbc921df9b8)]]
mutable
uint64_t m_sequence_number = {1};