Merge pull request #85 from wydengyre/test-taproot

tests: exercise taproot tweak

Author: jonasnick

python/tests.py

@@ -81,6 +81,12 @@ def rand_polynomial(t):
                 for i in range(n)
             )
 
+            vssc_tweaked, tweak, pubtweak = vss.commit().invalid_taproot_commit()
+            assert VSSCommitment.verify_secshare(vss.secret() + tweak, vss.commit().commitment_to_secret() + pubtweak)
+            assert all(
+                VSSCommitment.verify_secshare(secshares[i] + tweak, vssc_tweaked.pubshare(i))
+                for i in range(n)
+            )
 
 def simulate_simplpedpop(
     seeds, t, investigation: bool