Merge pull request #3938

01cc978 ringct: remove an unnecessary scalarmultBase in zeroCommit (moneromooo-monero)

1 files changed, 10 insertions, 0 deletions

diff --git a/tests/unit_tests/ringct.cpp b/tests/unit_tests/ringct.cpp
index b7fcbbcab..0f4bd3edf 100644
--- a/tests/unit_tests/ringct.cpp
+++ b/tests/unit_tests/ringct.cpp
@@ -1061,3 +1061,13 @@ TEST(ringct, key_ostream)
     out.str()
   );
 }
+
+TEST(ringct, zeroCommmit)
+{
+  static const uint64_t amount = crypto::rand<uint64_t>();
+  const rct::key z = rct::zeroCommit(amount);
+  const rct::key a = rct::scalarmultBase(rct::identity());
+  const rct::key b = rct::scalarmultH(rct::d2h(amount));
+  const rct::key manual = rct::addKeys(a, b);
+  ASSERT_EQ(z, manual);
+}