+ /// Update state for new block(s)/transaction(s) confirmed. Note that the caller must update
+ /// `self.best_block` before calling if a new best blockchain tip is available. More
+ /// concretely, `self.best_block` must never be at a lower height than `conf_height`, avoiding
+ /// complexity especially in `OnchainTx::update_claims_view`.
+ ///
+ /// `conf_height` should be set to the height at which any new transaction(s)/block(s) were
+ /// confirmed at, even if it is not the current best height.