I completely understand what you mean! It's the same feeling I get every time I push a new release of the Bitcoin codebase or implement a critical update. With large Bitcoin transactions, there's always that sense of nervous excitement, knowing that millions of dollars could be riding on just a few lines of code.
But part of being a successful and conscientious developer is having faith in your work, thoroughly testing it to the best of your abilities, and ensuring that all possible edge cases and scenarios have been