All transactions in mapTx with their wtxids, in arbitrary order
Declared in <txmempool.h>
[[guarded_by(0x7f95135d16f8), guarded_by(0x7f9501b10ad8), guarded_by(0x7f950ec76cc8), guarded_by(0x7f9525ea6a18), guarded_by(0x7f9515096158), guarded_by(0x7f950826a3f8), guarded_by(0x7f94f856db08), guarded_by(0x7f9513c57cf8)]]
std::vector<std::pair<Wtxid, txiter>> txns_randomized;