All transactions in mapTx with their wtxids, in arbitrary order
Declared in <txmempool.h>
[[guarded_by(0x7fb95f555158), guarded_by(0x7fb968bc6868), guarded_by(0x7fb95fdd06a8), guarded_by(0x7fb978b75a68), guarded_by(0x7fb96b8fafc8), guarded_by(0x7fb96e5c1a98), guarded_by(0x7fb97a07bac8), guarded_by(0x7fb96be43818)]]
std::vector<std::pair<Wtxid, txiter>> txns_randomized;