Implement zkSNARK compression.

src/test/test_bitcoin.cpp

@@ -34,6 +34,7 @@ BasicTestingSetup::BasicTestingSetup()
 {
         assert(init_and_check_sodium() != -1);
         ECC_Start();
+        pzcashParams = ZCJoinSplit::Unopened();
         SetupEnvironment();
         fPrintToDebugLog = false; // don't want to write to debug.log file
         fCheckBlockIndex = true;