Returns how many blocks the best header is ahead of the current tip, or nullopt if the best header does not extend the tip.
Declared in <validation.h>
[[locks_excluded(0x7f9513c48718), locks_excluded(0x7f9502de9eb8), locks_excluded(0x7f950b21c688), locks_excluded(0x7f9514bf6678)]]
std::optional<int>
BlocksAheadOfTip() const;
The number of blocks the best header is ahead of the tip, or std::nullopt.