lightningd: add networkevents to wait API.

Changelog-Added: JSON-RPC: `wait` now has `networkevents` subsystem.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

Author: rustyrussell

.msggen.json

@@ -542,6 +542,12 @@
             "paid": 1,
             "unpaid": 0
         },
+        "WaitNetworkeventsType": {
+            "connect": 0,
+            "connect_fail": 1,
+            "disconnect": 3,
+            "ping": 2
+        },
         "WaitSendpaysStatus": {
             "complete": 2,
             "failed": 1,
@@ -553,6 +559,7 @@
             "forwards": 1,
             "htlcs": 3,
             "invoices": 0,
+            "networkevents": 6,
             "sendpays": 2
         },
         "WaitanyinvoiceStatus": {
@@ -3764,6 +3771,11 @@
             "Wait.invoices.label": 2,
             "Wait.invoices.status": 1
         },
+        "WaitNetworkevents": {
+            "Wait.networkevents.created_index": 1,
+            "Wait.networkevents.peer_id": 3,
+            "Wait.networkevents.type": 2
+        },
         "WaitRequest": {
             "Wait.indexname": 2,
             "Wait.nextvalue": 3,
@@ -3778,6 +3790,7 @@
             "Wait.forwards": 6,
             "Wait.htlcs": 9,
             "Wait.invoices": 7,
+            "Wait.networkevents": 12,
             "Wait.sendpays": 8,
             "Wait.subsystem": 1,
             "Wait.updated": 3
@@ -13082,6 +13095,22 @@
             "added": "v25.05",
             "deprecated": null
         },
+        "Wait.networkevents": {
+            "added": "v25.12",
+            "deprecated": null
+        },
+        "Wait.networkevents.created_index": {
+            "added": "v25.12",
+            "deprecated": null
+        },
+        "Wait.networkevents.peer_id": {
+            "added": "v25.12",
+            "deprecated": null
+        },
+        "Wait.networkevents.type": {
+            "added": "v25.12",
+            "deprecated": null
+        },
         "Wait.nextvalue": {
             "added": "pre-v0.10.1",
             "deprecated": null

cln-grpc/proto/node.proto

@@ -36796,15 +36796,17 @@
               "  `forwards`: corresponding to `listforwards` (added in *v23.11*).",
               "  `htlcs`: corresponding to `listhtlcs` (added in *v25.05*).",
               "  `chainmoves`: corresponding to `listchainmoves` (added in *v25.09*).",
-              "  `channelmoves`: corresponding to `listchannelmoves` (added in *v25.09*)."
+              "  `channelmoves`: corresponding to `listchannelmoves` (added in *v25.09*).",
+              "  `networkevents`: corresponding to `listnetworkevents` (added in *v25.12*)."
             ],
             "enum": [
               "invoices",
               "forwards",
               "sendpays",
               "htlcs",
               "chainmoves",
-              "channelmoves"
+              "channelmoves",
+              "networkevents"
             ]
           },
           "indexname": {
@@ -36843,7 +36845,8 @@
               "sendpays",
               "htlcs",
               "chainmoves",
-              "channelmoves"
+              "channelmoves",
+              "networkevents"
             ]
           },
           "created": {
@@ -36870,6 +36873,7 @@
           "htlcs": {},
           "chainmoves": {},
           "channelmoves": {},
+          "networkevents": {},
           "details": {}
         },
         "allOf": [
@@ -37419,6 +37423,62 @@
                 }
               }
             }
+          },
+          {
+            "if": {
+              "additionalProperties": true,
+              "properties": {
+                "subsystem": {
+                  "type": "string",
+                  "enum": [
+                    "networkevents"
+                  ]
+                }
+              }
+            },
+            "then": {
+              "additionalProperties": false,
+              "properties": {
+                "subsystem": {},
+                "created": {},
+                "updated": {},
+                "deleted": {},
+                "networkevents": {
+                  "added": "v25.12",
+                  "type": "object",
+                  "additionalProperties": false,
+                  "properties": {
+                    "created_index": {
+                      "added": "v25.12",
+                      "type": "u64",
+                      "description": [
+                        "The created_index of the record added/deleted"
+                      ]
+                    },
+                    "type": {
+                      "added": "v25.12",
+                      "type": "string",
+                      "enum": [
+                        "connect",
+                        "connect_fail",
+                        "ping",
+                        "disconnect"
+                      ],
+                      "description": [
+                        "The kind of network event"
+                      ]
+                    },
+                    "peer_id": {
+                      "added": "v25.12",
+                      "type": "pubkey",
+                      "description": [
+                        "The peer this network event was with"
+                      ]
+                    }
+                  }
+                }
+              }
+            }
           }
         ]
       },

cln-grpc/src/convert.rs

@@ -2162,6 +2162,14 @@ def wait_invoices2py(m):
     })
 
 
+def wait_networkevents2py(m):
+    return remove_default({
+        "type": str(m.item_type),  # EnumField in generate_composite
+        "created_index": m.created_index,  # PrimitiveField in generate_composite
+        "peer_id": hexlify(m.peer_id),  # PrimitiveField in generate_composite
+    })
+
+
 def wait_sendpays2py(m):
     return remove_default({
         "status": str(m.status),  # EnumField in generate_composite