[rpc] ParseHash: Fail when length is not 64

Github-Pull: #9042 Rebased-From: fa326193ad739d1f93da456b3fa73af0bbf9fdd1
TrezarCoin · Dec 2, 2016 · 5bcb05d · 5bcb05d
1 parent 973ca1e
commit 5bcb05d
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/rpc/server.cpp b/src/rpc/server.cpp
@@ -146,6 +146,8 @@ uint256 ParseHashV(const UniValue& v, string strName)
         strHex = v.get_str();
     if (!IsHex(strHex)) // Note: IsHex("") is false
         throw JSONRPCError(RPC_INVALID_PARAMETER, strName+" must be hexadecimal string (not '"+strHex+"')");
+    if (64 != strHex.length())
+        throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("%s must be of length %d (not %d)", strName, 64, strHex.length()));
     uint256 result;
     result.SetHex(strHex);
     return result;