From cd27b3384975befd987b590bf33e4940fe006f2c Mon Sep 17 00:00:00 2001
From: Jeff Becker <jeff@i2p.rocks>
Date: Fri, 7 Feb 2020 13:19:00 -0500
Subject: [PATCH 1/2] dont flood dht with requests, if we know of a router
 don't look it up

---
 llarp/dht/explorenetworkjob.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/llarp/dht/explorenetworkjob.cpp b/llarp/dht/explorenetworkjob.cpp
index 364429528..6b5d8a6ce 100644
--- a/llarp/dht/explorenetworkjob.cpp
+++ b/llarp/dht/explorenetworkjob.cpp
@@ -4,6 +4,8 @@
 #include <dht/messages/findrouter.hpp>
 #include <router/abstractrouter.hpp>
 
+#include <nodedb.hpp>
+
 namespace llarp
 {
   namespace dht
@@ -24,6 +26,8 @@ namespace llarp
       for(const auto &pk : valuesFound)
       {
         // lookup router
+        if(router->nodedb()->Has(pk))
+          continue;
         parent->LookupRouter(
             pk,
             std::bind(&AbstractRouter::HandleDHTLookupForExplore, router, pk,

From a9331a143184fa5d22e8ce0c15abd3f7770b345e Mon Sep 17 00:00:00 2001
From: Jeff Becker <jeff@i2p.rocks>
Date: Fri, 7 Feb 2020 13:48:56 -0500
Subject: [PATCH 2/2] fix unit test

---
 llarp/dht/explorenetworkjob.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llarp/dht/explorenetworkjob.cpp b/llarp/dht/explorenetworkjob.cpp
index 6b5d8a6ce..5da2eb591 100644
--- a/llarp/dht/explorenetworkjob.cpp
+++ b/llarp/dht/explorenetworkjob.cpp
@@ -26,7 +26,7 @@ namespace llarp
       for(const auto &pk : valuesFound)
       {
         // lookup router
-        if(router->nodedb()->Has(pk))
+        if(router and router->nodedb()->Has(pk))
           continue;
         parent->LookupRouter(
             pk,