include picosha2 in verifier.hpp
I'm running into some build issues locally: Use of undeclared identifier 'picosha2'. Could just be an issue with my environment but it seems like picosha2.hpp should be included to me.
'This PR has been flagged as stale due to no activity for over 60 days. It will not be automatically closed, but it has been given a stale-pr label and should be manually reviewed.'
What platform are you trying this on?
This was on macOS using Xcode
'This PR has been flagged as stale due to no activity for over 60 days. It will not be automatically closed, but it has been given a stale-pr label and should be manually reviewed.'