fix whoxy verification (type-safe)

[lc]

Description:

This pull-request fixes Whoxy verification and the verifier implements type safety.

Using a struct to ensure Status == 1 is (or should be?) preferable to string manipulation.

Checklist:

• [x] Tests passing (make test-community)?
• [x] Lint passing (make lint this requires golangci-lint)?

[zricethezav]

@lc This isn't a large enough improvement to be considered. If a change like this were to qualify it would be easy to rack up points without doing much work.