From a99a3c0bd6d5476503c015e23be569295fdd190c Mon Sep 17 00:00:00 2001
From: pasta <pasta@dashboost.org>
Date: Fri, 5 Jun 2020 13:40:02 -0500
Subject: [PATCH] rpc: Validate provided keys for query_options parameter in
 listunspent

With this change listunspent will throw an error if there is a wrong key
in the query_option object.

Signed-off-by: pasta <pasta@dashboost.org>
---
 src/wallet/rpcwallet.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp
index 2a9ac189ea0..2dbe88ad1a6 100644
--- a/src/wallet/rpcwallet.cpp
+++ b/src/wallet/rpcwallet.cpp
@@ -2898,6 +2898,15 @@ static UniValue listunspent(const JSONRPCRequest& request)
     if (!request.params[4].isNull()) {
         const UniValue& options = request.params[4].get_obj();
 
+        RPCTypeCheckObj(options,
+            {
+                {"minimumAmount", UniValueType()},
+                {"maximumAmount", UniValueType()},
+                {"minimumSumAmount", UniValueType()},
+                {"maximumCount", UniValueType(UniValue::VNUM)},
+            },
+            true, true);
+
         if (options.exists("minimumAmount"))
             nMinimumAmount = AmountFromValue(options["minimumAmount"]);