Hastebin

diff --git a/libi2pd/NetDb.cpp b/libi2pd/NetDb.cpp
index 097fcb2..ecedbf8 100644
--- a/libi2pd/NetDb.cpp
+++ b/libi2pd/NetDb.cpp
@@ -719,6 +719,8 @@ namespace data
 			if (r->IsUnreachable () && i2p::transport::transports.IsConnected (ident))
 				r->SetUnreachable (false);
 			
+			// filter out those unreachables who are NeverDel
+			if  (!((r->HasProfile()) && (r->GetProfile()->IsNeverDel())))
 			if (r->IsUnreachable ())
 			{
 				if (r->IsFloodfill ()) deletedFloodfillsCount++;
diff --git a/libi2pd/Profiling.cpp b/libi2pd/Profiling.cpp
index fe7f990..3a0caea 100644
--- a/libi2pd/Profiling.cpp
+++ b/libi2pd/Profiling.cpp
@@ -19,6 +19,8 @@
 #include "Timestamp.h"
 #include "NetDb.hpp"
 #include "Profiling.h"
+#include "Transports.h"
+#include <algorithm>
 
 namespace i2p
 {
@@ -35,7 +37,7 @@ namespace data
 		m_LastUpdateTime (i2p::util::GetSecondsSinceEpoch ()), m_LastAccessTime (0),
 		m_LastPersistTime (0), m_NumTunnelsAgreed (0), m_NumTunnelsDeclined (0),
 		m_NumTunnelsNonReplied (0),m_NumTimesTaken (0), m_NumTimesRejected (0),
-		m_HasConnected (false), m_IsDuplicated (false)
+		m_HasConnected (false), m_IsDuplicated (false), m_NeverDelete(false)
 	{
 	}
 
@@ -85,6 +87,8 @@ namespace data
 		std::string path = g_ProfilesStorage.Path(ident);
 		boost::property_tree::ptree pt;
 
+		m_NeverDelete = i2p::transport::transports.IsNeverDeletePeer(identHash);
+
 		if (!i2p::fs::Exists(path))
 		{
 			LogPrint(eLogWarning, "Profiling: No profile yet for ", ident);
diff --git a/libi2pd/Profiling.h b/libi2pd/Profiling.h
index 59995b3..1de5db9 100644
--- a/libi2pd/Profiling.h
+++ b/libi2pd/Profiling.h
@@ -78,6 +78,7 @@ namespace data
 			
 			bool IsUseful() const;
 			bool IsDuplicated () const { return m_IsDuplicated; };
+			bool IsNeverDel() const { return m_NeverDelete; };
 
 			const boost::asio::ip::udp::endpoint& GetLastEndpoint () const { return m_LastEndpoint; }
 			void SetLastEndpoint (const boost::asio::ip::udp::endpoint& ep) { m_LastEndpoint = ep; }
@@ -107,6 +108,7 @@ namespace data
 			uint32_t m_NumTimesRejected;
 			bool m_HasConnected; // successful trusted(incoming or NTCP2) connection 
 			bool m_IsDuplicated;
+			bool m_NeverDelete; // for trust.routers
 			// connectivity
 			boost::asio::ip::udp::endpoint m_LastEndpoint; // SSU2 for non-published addresses
 	};
diff --git a/libi2pd/Transports.cpp b/libi2pd/Transports.cpp
index b21426d..d439f16 100644
--- a/libi2pd/Transports.cpp
+++ b/libi2pd/Transports.cpp
@@ -1262,6 +1262,16 @@ namespace transport
 		return false;
 	}
 
+	bool Transports::IsNeverDeletePeer(const i2p::data::IdentHash & identHash) const {
+		std::lock_guard<std::mutex> lock(transports.m_TrustedRoutersMutex);
+		if (std::count(transports.m_TrustedRouters.begin(), 
+			transports.m_TrustedRouters.end(), identHash) > 0) {
+			return true;
+		} else {
+			return false;
+		}
+	}
+
 	void Transports::SetOnline (bool online)
 	{
 		if (m_IsOnline != online)
diff --git a/libi2pd/Transports.h b/libi2pd/Transports.h
index 6f85669..e7c9c51 100644
--- a/libi2pd/Transports.h
+++ b/libi2pd/Transports.h
@@ -179,6 +179,7 @@ namespace transport
 			void RestrictRoutesToRouters(const std::set<i2p::data::IdentHash>& routers);
 
 			bool IsRestrictedPeer(const i2p::data::IdentHash & ident) const;
+			bool IsNeverDeletePeer(const i2p::data::IdentHash & ident) const;
 
 			void PeerTest (bool ipv4 = true, bool ipv6 = true);