From 2718db070589114d54fdf227fb560c1578a7e419 Mon Sep 17 00:00:00 2001
From: Jonas Schnelli <dev@jonasschnelli.ch>
Date: Mon, 27 Mar 2017 13:55:28 +0200
Subject: [PATCH] Restore invalid fee check (must be > 0)

---
 src/wallet/rpcwallet.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp
index 701e9987b..f746c54f2 100644
--- a/src/wallet/rpcwallet.cpp
+++ b/src/wallet/rpcwallet.cpp
@@ -2858,6 +2858,9 @@ UniValue bumpfee(const JSONRPCRequest& request)
             }
         } else if (options.exists("totalFee")) {
             totalFee = options["totalFee"].get_int64();
+            if (totalFee <= 0) {
+                throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Invalid totalFee %s (must be greater than 0)", FormatMoney(totalFee)));
+            }
         }
 
         if (options.exists("replaceable")) {