provide reply tunnel expcilitly for LeaseSet

Destination.cpp

@@ -407,6 +407,12 @@ namespace client
 			LogPrint (eLogError, "Destination: Can't publish LeaseSet. No outbound tunnels");
 			return;
 		}
+		auto inbound = m_Pool->GetNextInboundTunnel ();
+		if (!inbound)
+		{
+			LogPrint (eLogError, "Destination: Can't publish LeaseSet. No inbound tunnels");
+			return;
+		}
 		auto floodfill = i2p::data::netdb.GetClosestFloodfill (m_LeaseSet->GetIdentHash (), m_ExcludedFloodfills);	
 		if (!floodfill)
 		{
@@ -417,7 +423,7 @@ namespace client
 		m_ExcludedFloodfills.insert (floodfill->GetIdentHash ());
 		LogPrint (eLogDebug, "Destination: Publish LeaseSet of ", GetIdentHash ().ToBase32 ());
 		RAND_bytes ((uint8_t *)&m_PublishReplyToken, 4);
-		auto msg = WrapMessage (floodfill, i2p::CreateDatabaseStoreMsg (m_LeaseSet, m_PublishReplyToken));			
+		auto msg = WrapMessage (floodfill, i2p::CreateDatabaseStoreMsg (m_LeaseSet, m_PublishReplyToken, inbound));			
 		m_PublishConfirmationTimer.expires_from_now (boost::posix_time::seconds(PUBLISH_CONFIRMATION_TIMEOUT));
 		m_PublishConfirmationTimer.async_wait (std::bind (&LeaseSetDestination::HandlePublishConfirmationTimer,
 			shared_from_this (), std::placeholders::_1));	

I2NPProtocol.cpp

@@ -249,7 +249,7 @@ namespace i2p
 		return m;
 	}	
 
-	std::shared_ptr<I2NPMessage> CreateDatabaseStoreMsg (std::shared_ptr<const i2p::data::LeaseSet> leaseSet,  uint32_t replyToken)
+	std::shared_ptr<I2NPMessage> CreateDatabaseStoreMsg (std::shared_ptr<const i2p::data::LeaseSet> leaseSet,  uint32_t replyToken, std::shared_ptr<const i2p::tunnel::InboundTunnel> replyTunnel)
 	{
 		if (!leaseSet) return nullptr;
 		auto m = NewI2NPShortMessage ();
@@ -258,14 +258,13 @@ namespace i2p
 		payload[DATABASE_STORE_TYPE_OFFSET] = 1; // LeaseSet
 		htobe32buf (payload + DATABASE_STORE_REPLY_TOKEN_OFFSET, replyToken);
 		size_t size = DATABASE_STORE_HEADER_SIZE;
-		if (replyToken)
+		if (replyToken && replyTunnel)
 		{
-			auto leases = leaseSet->GetNonExpiredLeases ();
-			if (leases.size () > 0)
+			if (replyTunnel)
 			{
-				htobe32buf (payload + size, leases[0]->tunnelID);
+				htobe32buf (payload + size, replyTunnel->GetNextTunnelID ());
 				size += 4; // reply tunnelID
-				memcpy (payload + size, leases[0]->tunnelGateway, 32);
+				memcpy (payload + size, replyTunnel->GetNextIdentHash (), 32);
 				size += 32; // reply tunnel gateway
 			}
 			else

I2NPProtocol.h

@@ -224,7 +224,7 @@ namespace tunnel
 	std::shared_ptr<I2NPMessage> CreateDatabaseSearchReply (const i2p::data::IdentHash& ident, std::vector<i2p::data::IdentHash> routers);
 	
 	std::shared_ptr<I2NPMessage> CreateDatabaseStoreMsg (std::shared_ptr<const i2p::data::RouterInfo> router = nullptr, uint32_t replyToken = 0);
-	std::shared_ptr<I2NPMessage> CreateDatabaseStoreMsg (std::shared_ptr<const i2p::data::LeaseSet> leaseSet, uint32_t replyToken = 0);		
+	std::shared_ptr<I2NPMessage> CreateDatabaseStoreMsg (std::shared_ptr<const i2p::data::LeaseSet> leaseSet, uint32_t replyToken = 0, std::shared_ptr<const i2p::tunnel::InboundTunnel> replyTunnel = nullptr);		
 	bool IsRouterInfoMsg (std::shared_ptr<I2NPMessage> msg); 	
 
 	bool HandleBuildRequestRecords (int num, uint8_t * records, uint8_t * clearText);