Hash of the UTXO set at the target block, computed when the chainstate reaches the target block, and null before then.
Declared in <validation.h>
[[guarded_by(0x7f9513ab3dd8), guarded_by(0x7f9502c96e48), guarded_by(0x7f9525448b78), guarded_by(0x7f95173fee58)]]
std::optional<AssumeutxoHash> m_target_utxohash;