From f55029e7d1f4a4b3631e38d4508d6f882b69c6e7 Mon Sep 17 00:00:00 2001
From: Jack Grigg <jack@z.cash>
Date: Fri, 11 May 2018 13:27:21 -0400
Subject: [PATCH] Correctly serialize Groth16 JSDescription for verifyjoinsplit
 benchmark

---
 src/wallet/rpcwallet.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp
index 934896f2b..44cf55350 100644
--- a/src/wallet/rpcwallet.cpp
+++ b/src/wallet/rpcwallet.cpp
@@ -2649,7 +2649,7 @@ UniValue zc_sample_joinsplit(const UniValue& params, bool fHelp)
                                   0,
                                   0);
 
-    CDataStream ss(SER_NETWORK, PROTOCOL_VERSION);
+    CDataStream ss(SER_NETWORK, SAPLING_TX_VERSION | (1 << 31));
     ss << samplejoinsplit;
 
     return HexStr(ss.begin(), ss.end());
@@ -2694,7 +2694,7 @@ UniValue zc_benchmark(const UniValue& params, bool fHelp)
     JSDescription samplejoinsplit;
 
     if (benchmarktype == "verifyjoinsplit") {
-        CDataStream ss(ParseHexV(params[2].get_str(), "js"), SER_NETWORK, PROTOCOL_VERSION);
+        CDataStream ss(ParseHexV(params[2].get_str(), "js"), SER_NETWORK, SAPLING_TX_VERSION | (1 << 31));
         ss >> samplejoinsplit;
     }