1 files changed, 28 insertions, 0 deletions
diff --git a/src/bitcoinrpc.cpp b/src/bitcoinrpc.cpp
index 47c7383564..4e303526b1 100644
--- a/src/bitcoinrpc.cpp
+++ b/src/bitcoinrpc.cpp
@@ -113,6 +113,34 @@ std::string HexBits(unsigned int nBits)
     return HexStr(BEGIN(uBits.cBits), END(uBits.cBits));
 }
 
+uint256 ParseHashV(const Value& v, string strName)
+{
+    string strHex;
+    if (v.type() == str_type)
+        strHex = v.get_str();
+    if (!IsHex(strHex)) // Note: IsHex("") is false
+        throw JSONRPCError(RPC_INVALID_PARAMETER, strName+" must be hexadecimal string (not '"+strHex+"')");
+    uint256 result;
+    result.SetHex(strHex);
+    return result;
+}
+uint256 ParseHashO(const Object& o, string strKey)
+{
+    return ParseHashV(find_value(o, strKey), strKey);
+}
+vector<unsigned char> ParseHexV(const Value& v, string strName)
+{
+    string strHex;
+    if (v.type() == str_type)
+        strHex = v.get_str();
+    if (!IsHex(strHex))
+        throw JSONRPCError(RPC_INVALID_PARAMETER, strName+" must be hexadecimal string (not '"+strHex+"')");
+    return ParseHex(strHex);
+}
+vector<unsigned char> ParseHexO(const Object& o, string strKey)
+{
+    return ParseHexV(find_value(o, strKey), strKey);
+}
 
 
 ///