StrHexToScriptWithDefault helper function

Author: instagibbs

src/chainparams.cpp

@@ -35,6 +35,18 @@ static CBlock CreateGenesisBlock(const char* pszTimestamp, const CScript& genesi
     return genesis;
 }
 
+static CScript StrHexToScriptWithDefault(std::string strScript, const CScript defaultScript)
+{
+    CScript returnScript;
+    if (!strScript.empty()) {
+        std::vector<unsigned char> scriptData = ParseHex(strScript);
+        returnScript = CScript(scriptData.begin(), scriptData.end());
+    } else {
+        returnScript = defaultScript;
+    }
+    return returnScript;
+}
+
 /**
  * Build the genesis block. Note that the output of its generation
  * transaction cannot be spent since it did not originally exist in the