bulletproofs: multi-output bulletproofs

tests/unit_tests/bulletproofs.cpp

@@ -32,6 +32,7 @@
 
 #include "ringct/rctOps.h"
 #include "ringct/bulletproofs.h"
+#include "misc_log_ex.h"
 
 TEST(bulletproofs, valid_zero)
 {
@@ -54,6 +55,24 @@ TEST(bulletproofs, valid_random)
   }
 }
 
+TEST(bulletproofs, valid_multi_random)
+{
+  for (int n = 0; n < 8; ++n)
+  {
+    size_t outputs = 2 + n;
+    std::vector<uint64_t> amounts;
+    rct::keyV gamma;
+    for (size_t i = 0; i < outputs; ++i)
+    {
+      amounts.push_back(crypto::rand<uint64_t>());
+      gamma.push_back(rct::skGen());
+    }
+    rct::Bulletproof proof = bulletproof_PROVE(amounts, gamma);
+    ASSERT_TRUE(rct::bulletproof_VERIFY(proof));
+  }
+}
+
+
 TEST(bulletproofs, invalid_8)
 {
   rct::key invalid_amount = rct::zero();