fix sync edgecase

Author: vans163

ex/lib/consensus/fabric_sync_gen.ex

@@ -61,7 +61,7 @@ defmodule FabricSyncGen do
 
     cond do
       behind_bft > 0 ->
-        entries = Enum.to_list((temporal_height+1)..height_network_bft)
+        entries = (try do Enum.to_list((temporal_height+1)..height_network_bft) catch _,_ -> [height_network_bft] end)
         IO.puts "Behind BFT: Syncing #{length(entries)} entries"
         next_heights = Enum.to_list(entries)
         |> Enum.take(1000)
@@ -73,7 +73,7 @@ defmodule FabricSyncGen do
         |> fetch_chunks(temporal_peers)
 
       behind_root > 0 ->
-        next_heights = Enum.to_list((rooted_height+1)..height_network_root)
+        next_heights = (try do  Enum.to_list((rooted_height+1)..height_network_root) catch _,_ -> [height_network_root] end)
         |> Enum.take(1000)
         |> Enum.uniq()
         {rooted_peers, temporal_peers} = NodeANR.peers_w_min_height(List.last(next_heights), :any)
@@ -84,7 +84,7 @@ defmodule FabricSyncGen do
 
       #TODO: only fetch missing attestations
       behind_temp > 0 ->
-        next_heights = Enum.to_list(temporal_height..height_network_temp)
+        next_heights = (try do Enum.to_list(temporal_height..height_network_temp) catch _,_-> [height_network_temp] end)
         |> Enum.take(1000)
         |> Enum.uniq()
         {rooted_peers, temporal_peers} = NodeANR.peers_w_min_height(List.last(next_heights), :validators)

ex/lib/node/node_gen_netguard.ex

@@ -7,8 +7,8 @@ defmodule NodeGenNetguard do
     get_peer_anrs_reply: 10,
     ping: 30,
     ping_reply: 30,
-    special_business: 100,
-    special_business_reply: 100,
+    special_business: 200,
+    special_business_reply: 200,
     catchup: 20,
     catchup_reply: 20,
     event_tip: 30,