From fdf82fba3105c3c824e594db8cd7c55c4f692744 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hampus=20Sj=C3=B6berg?= <hampus.sjoberg@gmail.com>
Date: Tue, 6 Sep 2016 22:30:30 +0200
Subject: [PATCH] Adding method GetTotalSize() to CTransaction

GetTotalSize() returns the total transaction size (including witness) in
bytes.
---
 src/primitives/transaction.cpp | 5 +++++
 src/primitives/transaction.h   | 7 +++++++
 2 files changed, 12 insertions(+)

diff --git a/src/primitives/transaction.cpp b/src/primitives/transaction.cpp
index 2fdc59ea07..4afbe99fd3 100644
--- a/src/primitives/transaction.cpp
+++ b/src/primitives/transaction.cpp
@@ -131,6 +131,11 @@ unsigned int CTransaction::CalculateModifiedSize(unsigned int nTxSize) const
     return nTxSize;
 }
 
+unsigned int CTransaction::GetTotalSize() const
+{
+    return ::GetSerializeSize(*this, SER_NETWORK, PROTOCOL_VERSION);
+}
+
 std::string CTransaction::ToString() const
 {
     std::string str;
diff --git a/src/primitives/transaction.h b/src/primitives/transaction.h
index 5689d15bf7..16c2e5c454 100644
--- a/src/primitives/transaction.h
+++ b/src/primitives/transaction.h
@@ -415,6 +415,13 @@ public:
 
     // Compute modified tx size for priority calculation (optionally given tx size)
     unsigned int CalculateModifiedSize(unsigned int nTxSize=0) const;
+    
+    /**
+     * Get the total transaction size in bytes, including witness data.
+     * "Total Size" defined in BIP141 and BIP144.
+     * @return Total transaction size in bytes
+     */
+    unsigned int GetTotalSize() const;
 
     bool IsCoinBase() const
     {