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(0x7fbc8f6827e8), guarded_by(0x7fbc95d44548), guarded_by(0x7fbca708a208), guarded_by(0x7fbc86272aa8), guarded_by(0x7fbca7897188), guarded_by(0x7fbc84ab87d8), guarded_by(0x7fbc870f7cd8), guarded_by(0x7fbc921df598)]]
uint64_t totalTxSize = {0};