Merge pull request #31 from zenon-network/fix/p2p-no-seeders

[p2p] Allow discovery refresh to handle empty peers
zenon-network · Oct 10, 2023 · 83469e4 · 83469e4
2 parents 3613473 + 46e59d4
commit 83469e4
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/p2p/discover/table.go b/p2p/discover/table.go
@@ -308,9 +308,11 @@ func (tab *Table) refresh(forceSeed bool) {
 
 		nodes := append(tab.nursery, seeds...)
 
-		for i := uint32(len(nodes)) - 1; i > 0; i-- {
-			j := randUint(i)
-			nodes[i], nodes[j] = nodes[j], nodes[i]
+		if len(nodes) > 0 {
+			for i := uint32(len(nodes)) - 1; i > 0; i-- {
+				j := randUint(i)
+				nodes[i], nodes[j] = nodes[j], nodes[i]
+			}
 		}
 
 		// Bond with all the seed nodes (will pingpong only if failed recently)