pub fn is_removed(&self) -> bool {
        if let Some(val_removed) = self.removed {
            return val_removed;
        }
        if let Some(val_log_type) = &self.log_type {
            if val_log_type == "removed" {
                return true;
            }
        }
        false
    }
Returns true if the log has been removed.
core/lib/basic_types/src/web3/mod.rs