itest: reproduce max new nodes hang bug

itest/list_on_test.go

@@ -5,6 +5,10 @@ package itest
 import "github.com/lightningnetwork/lnd/lntest"
 
 var allTestCases = []*lntest.TestCase{
+ {
+ Name: "max new nodes",
+ TestFunc: testMaxNewNodes,
+ },
  {
  Name: "update channel status",
  TestFunc: testUpdateChanStatus,

itest/lnd_misc_test.go

@@ -1281,3 +1281,20 @@ func testNativeSQLNoMigration(ht *lntest.HarnessTest) {
  alice.SetExtraArgs(nil)
  require.NoError(ht, alice.Start(ht.Context()))
 }
+
+// testMaxNewNodes reproduces the issue where the maximum number of nodes that
+// can be created is limited to 6. Attempting to create a 7th node should result
+// in a hang.
+func testMaxNewNodes(ht *lntest.HarnessTest) {
+ // Create three new nodes.
+ ht.Log("Creating 6 new nodes")
+ ht.NewNode("node-1", nil)
+ ht.NewNode("node-2", nil)
+ ht.NewNode("node-3", nil)
+ ht.NewNode("node-4", nil)
+ ht.NewNode("node-5", nil)
+ ht.NewNode("node-6", nil)
+
+ ht.Log("Attempting to create a 7th node")
+ ht.NewNode("node-7", nil)
+}