sum of all mempool tx's virtual sizes. Differs from serialized tx size since witness data is discounted. Defined in BIP 141.
Declared in <txmempool.h>
[[guarded_by(0x7f95135d0dd8), guarded_by(0x7f9501b101b8), guarded_by(0x7f950ec763a8), guarded_by(0x7f9525ea60f8), guarded_by(0x7f9515095838), guarded_by(0x7f9508269ad8), guarded_by(0x7f94f856d1e8), guarded_by(0x7f9513c573d8)]]
uint64_t totalTxSize = {0};