Tests: Test with LIGHTNING=True and refactor mint

[callebtc]

No description provided.

[codecov]

Codecov Report

Patch coverage: 48.11% and project coverage change: +6.22% 🎉

Comparison is base (f1b621f) 59.46% compared to head (3bd1075) 65.69%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #326      +/-   ##
==========================================
+ Coverage   59.46%   65.69%   +6.22%     
==========================================
  Files          52       52              
  Lines        4209     4183      -26     
==========================================
+ Hits         2503     2748     +245     
+ Misses       1706     1435     -271     

Files Changed	Coverage Δ
cashu/mint/router.py	0.00% <0.00%> (ø)
cashu/wallet/wallet.py	89.23% <ø> (+7.29%)	⬆️
cashu/mint/verification.py	41.02% <41.17%> (+6.69%)	⬆️
cashu/mint/ledger.py	53.59% <48.19%> (+16.68%)	⬆️
cashu/wallet/secrets.py	91.35% <50.00%> (-1.05%)	⬇️
cashu/mint/crud.py	80.00% <100.00%> (+10.00%)	⬆️

... and 7 files with indirect coverage changes

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.