add relayOrder awareness to introset lookups.

* only propgate fail when relay order is non zero as zero relay order often fails

llarp/service/endpoint.cpp

@@ -1381,8 +1381,8 @@ namespace llarp
         {
           HiddenServiceAddressLookup* job = new HiddenServiceAddressLookup(
               this,
-              [this](auto addr, auto result, auto from, auto left) {
+              [this](auto addr, auto result, auto from, auto left, auto order) {
-                return OnLookup(addr, result, from, left);
+                return OnLookup(addr, result, from, left, order);
               },
               location,
               PubKey{remote.as_array()},

llarp/service/endpoint.hpp

@@ -471,7 +471,8 @@ namespace llarp
           const service::Address& addr,
           std::optional<IntroSet> i,
           const RouterID& endpoint,
-          llarp_time_t timeLeft);
+          llarp_time_t timeLeft,
+          uint64_t relayOrder);
 
       bool
       DoNetworkIsolation(bool failed);

llarp/service/hidden_service_address_lookup.cpp

@@ -46,7 +46,7 @@ namespace llarp
           found = *maybe;
         }
       }
-      return handle(remote, found, endpoint, TimeLeft(time_now_ms()));
+      return handle(remote, found, endpoint, TimeLeft(time_now_ms()), relayOrder);
     }
 
     std::shared_ptr<routing::IMessage>

llarp/service/hidden_service_address_lookup.hpp

@@ -15,7 +15,7 @@ namespace llarp
       uint64_t relayOrder;
       const dht::Key_t location;
       using HandlerFunc = std::function<bool(
-          const Address&, std::optional<IntroSet>, const RouterID&, llarp_time_t)>;
+          const Address&, std::optional<IntroSet>, const RouterID&, llarp_time_t, uint64_t)>;
       HandlerFunc handle;
 
       HiddenServiceAddressLookup(

llarp/service/outbound_context.cpp

@@ -82,12 +82,17 @@ namespace llarp
         remoteIntro = m_NextIntro;
         m_DataHandler->PutSenderFor(currentConvoTag, currentIntroSet.addressKeys, false);
         m_DataHandler->PutIntroFor(currentConvoTag, remoteIntro);
+        ShiftIntroRouter(m_NextIntro.router);
       }
     }
 
     bool
     OutboundContext::OnIntroSetUpdate(
-        const Address&, std::optional<IntroSet> foundIntro, const RouterID& endpoint, llarp_time_t)
+        const Address&,
+        std::optional<IntroSet> foundIntro,
+        const RouterID& endpoint,
+        llarp_time_t,
+        uint64_t relayOrder)
     {
       if (markedBad)
         return true;
@@ -112,8 +117,9 @@ namespace llarp
           return true;
         }
         currentIntroSet = *foundIntro;
+        ShiftIntroRouter(RouterID{});
       }
-      else
+      else if (relayOrder > 0)
       {
         ++m_LookupFails;
         LogWarn(Name(), " failed to look up introset, fails=", m_LookupFails);