From 92fafb3a7da66f737e960e541fcfbcadedf6043a Mon Sep 17 00:00:00 2001
From: James O'Beirne <james.obeirne@gmail.com>
Date: Thu, 28 Mar 2019 12:09:06 -0400
Subject: [PATCH] coinstats: add coins_count

Also changes existing CCoinsStats attributes to be C++11 initialized.
---
 src/node/coinstats.cpp |  2 ++
 src/node/coinstats.h   | 19 ++++++++++---------
 2 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/src/node/coinstats.cpp b/src/node/coinstats.cpp
index 57fa158ad..23269cd4b 100644
--- a/src/node/coinstats.cpp
+++ b/src/node/coinstats.cpp
@@ -38,6 +38,7 @@ static void ApplyStats(CCoinsStats &stats, CHashWriter& ss, const uint256& hash,
 //! Calculate statistics about the unspent transaction output set
 bool GetUTXOStats(CCoinsView *view, CCoinsStats &stats)
 {
+    stats = CCoinsStats();
     std::unique_ptr<CCoinsViewCursor> pcursor(view->Cursor());
     assert(pcursor);
 
@@ -61,6 +62,7 @@ bool GetUTXOStats(CCoinsView *view, CCoinsStats &stats)
             }
             prevkey = key.hash;
             outputs[key.n] = std::move(coin);
+            stats.coins_count++;
         } else {
             return error("%s: unable to read value", __func__);
         }
diff --git a/src/node/coinstats.h b/src/node/coinstats.h
index 7c11aab8b..a19af0fd1 100644
--- a/src/node/coinstats.h
+++ b/src/node/coinstats.h
@@ -15,16 +15,17 @@ class CCoinsView;
 
 struct CCoinsStats
 {
-    int nHeight;
-    uint256 hashBlock;
-    uint64_t nTransactions;
-    uint64_t nTransactionOutputs;
-    uint64_t nBogoSize;
-    uint256 hashSerialized;
-    uint64_t nDiskSize;
-    CAmount nTotalAmount;
+    int nHeight{0};
+    uint256 hashBlock{};
+    uint64_t nTransactions{0};
+    uint64_t nTransactionOutputs{0};
+    uint64_t nBogoSize{0};
+    uint256 hashSerialized{};
+    uint64_t nDiskSize{0};
+    CAmount nTotalAmount{0};
 
-    CCoinsStats() : nHeight(0), nTransactions(0), nTransactionOutputs(0), nBogoSize(0), nDiskSize(0), nTotalAmount(0) {}
+    //! The number of coins contained.
+    uint64_t coins_count{0};
 };
 
 //! Calculate statistics about the unspent transaction output set