From 29eb41121df38d50fc58bd341c5026a337a25fe2 Mon Sep 17 00:00:00 2001
From: Jianping Wu <jianping.wu@gmail.com>
Date: Tue, 30 Oct 2018 14:07:37 -0700
Subject: [PATCH] CTransaction, GetValueOut(bool fExcludeKeva)

---
 src/primitives/transaction.cpp | 7 +++++--
 src/primitives/transaction.h   | 2 +-
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/primitives/transaction.cpp b/src/primitives/transaction.cpp
index 2d967fd42..658fed307 100644
--- a/src/primitives/transaction.cpp
+++ b/src/primitives/transaction.cpp
@@ -6,6 +6,7 @@
 #include <primitives/transaction.h>
 
 #include <hash.h>
+#include <script/keva.h>
 #include <tinyformat.h>
 #include <utilstrencodings.h>
 
@@ -86,11 +87,13 @@ CTransaction::CTransaction() : vin(), vout(), nVersion(CTransaction::CURRENT_VER
 CTransaction::CTransaction(const CMutableTransaction &tx) : vin(tx.vin), vout(tx.vout), nVersion(tx.nVersion), nLockTime(tx.nLockTime), hash(ComputeHash()) {}
 CTransaction::CTransaction(CMutableTransaction &&tx) : vin(std::move(tx.vin)), vout(std::move(tx.vout)), nVersion(tx.nVersion), nLockTime(tx.nLockTime), hash(ComputeHash()) {}
 
-CAmount CTransaction::GetValueOut() const
+CAmount CTransaction::GetValueOut(bool fExcludeKeva) const
 {
     CAmount nValueOut = 0;
     for (const auto& tx_out : vout) {
-        nValueOut += tx_out.nValue;
+        if (!fExcludeKeva || !CKevaScript::isKevaScript(tx_out.scriptPubKey)) {
+            nValueOut += tx_out.nValue;
+        }
         if (!MoneyRange(tx_out.nValue) || !MoneyRange(nValueOut))
             throw std::runtime_error(std::string(__func__) + ": value out of range");
     }
diff --git a/src/primitives/transaction.h b/src/primitives/transaction.h
index a5ddc5ae4..914f04dbb 100644
--- a/src/primitives/transaction.h
+++ b/src/primitives/transaction.h
@@ -320,7 +320,7 @@ public:
     uint256 GetWitnessHash() const;
 
     // Return sum of txouts.
-    CAmount GetValueOut() const;
+    CAmount GetValueOut(bool fExcludeKeva = false) const;
     // GetValueIn() is a method on CCoinsViewCache, because
     // inputs must be known to compute value in.