Declare single-argument (non-converting) constructors "explicit"

In order to avoid unintended implicit conversions.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/txdb.h b/src/txdb.h
index adcbc73380..603eb08a7a 100644
--- a/src/txdb.h
+++ b/src/txdb.h
@@ -69,7 +69,7 @@ class CCoinsViewDB : public CCoinsView
 protected:
     CDBWrapper db;
 public:
-    CCoinsViewDB(size_t nCacheSize, bool fMemory = false, bool fWipe = false);
+    explicit CCoinsViewDB(size_t nCacheSize, bool fMemory = false, bool fWipe = false);
 
     bool GetCoin(const COutPoint &outpoint, Coin &coin) const override;
     bool HaveCoin(const COutPoint &outpoint) const override;
@@ -109,7 +109,7 @@ private:
 class CBlockTreeDB : public CDBWrapper
 {
 public:
-    CBlockTreeDB(size_t nCacheSize, bool fMemory = false, bool fWipe = false);
+    explicit CBlockTreeDB(size_t nCacheSize, bool fMemory = false, bool fWipe = false);
 private:
     CBlockTreeDB(const CBlockTreeDB&);
     void operator=(const CBlockTreeDB&);