1 files changed, 5 insertions, 4 deletions
diff --git a/src/script/standard.cpp b/src/script/standard.cpp
index 9570b8c8d..b6e2232ab 100644
--- a/src/script/standard.cpp
+++ b/src/script/standard.cpp
@@ -34,9 +34,6 @@ const char* GetTxnOutputType(txnouttype t)
     return nullptr;
 }
 
-/**
- * Return public keys or hashes from scriptPubKey, for 'standard' transaction types.
- */
 bool Solver(const CScript& scriptPubKey, txnouttype& typeRet, std::vector<std::vector<unsigned char> >& vSolutionsRet)
 {
     // Templates
@@ -253,7 +250,7 @@ class CScriptVisitor : public boost::static_visitor<bool>
 private:
     CScript *script;
 public:
-    CScriptVisitor(CScript *scriptin) { script = scriptin; }
+    explicit CScriptVisitor(CScript *scriptin) { script = scriptin; }
 
     bool operator()(const CNoDestination &dest) const {
         script->clear();
@@ -320,3 +317,7 @@ CScript GetScriptForWitness(const CScript& redeemscript)
     ret << OP_0 << ToByteVector(hash);
     return ret;
 }
+
+bool IsValidDestination(const CTxDestination& dest) {
+    return dest.which() != 0;
+}