routing: invalid channels updatechanpolicy call

lnrpc/lightning.proto

@@ -3635,7 +3635,28 @@ message PolicyUpdateRequest {
     // If true, min_htlc_msat is applied.
     bool min_htlc_msat_specified = 8;
 }
+enum UpdateFailure {
+    UPDATE_FAILURE_UNKNOWN = 0;
+    UPDATE_FAILURE_PENDING = 1;
+    UPDATE_FAILURE_NOT_FOUND = 2;
+    UPDATE_FAILURE_INTERNAL_ERR = 3;
+    UPDATE_FAILURE_INVALID_PARAMETER = 4;
+}
+
+message FailedUpdate {
+    // The outpoint in format txid:n
+    OutPoint outpoint = 1;
+
+    // Reason for the policy update failure.
+    UpdateFailure reason = 2;
+
+    // A string representation of the policy update error.
+    string update_error = 3;
+}
+
 message PolicyUpdateResponse {
+    // List of failed policy updates.
+    repeated FailedUpdate failed_updates = 1;
 }
 
 message ForwardingHistoryRequest {

lnrpc/lightning.swagger.json

@@ -3831,6 +3831,23 @@
         }
       }
     },
+    "lnrpcFailedUpdate": {
+      "type": "object",
+      "properties": {
+        "outpoint": {
+          "$ref": "#/definitions/lnrpcOutPoint",
+          "title": "The outpoint in format txid:n"
+        },
+        "reason": {
+          "$ref": "#/definitions/lnrpcUpdateFailure",
+          "description": "Reason for the policy update failure."
+        },
+        "update_error": {
+          "type": "string",
+          "description": "A string representation of the policy update error."
+        }
+      }
+    },
     "lnrpcFailure": {
       "type": "object",
       "properties": {
@@ -5562,7 +5579,16 @@
       }
     },
     "lnrpcPolicyUpdateResponse": {
-      "type": "object"
+      "type": "object",
+      "properties": {
+        "failed_updates": {
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/lnrpcFailedUpdate"
+          },
+          "description": "List of failed policy updates."
+        }
+      }
     },
     "lnrpcPsbtShim": {
       "type": "object",
@@ -6100,6 +6126,17 @@
         }
       }
     },
+    "lnrpcUpdateFailure": {
+      "type": "string",
+      "enum": [
+        "UPDATE_FAILURE_UNKNOWN",
+        "UPDATE_FAILURE_PENDING",
+        "UPDATE_FAILURE_NOT_FOUND",
+        "UPDATE_FAILURE_INTERNAL_ERR",
+        "UPDATE_FAILURE_INVALID_PARAMETER"
+      ],
+      "default": "UPDATE_FAILURE_UNKNOWN"
+    },
     "lnrpcUtxo": {
       "type": "object",
       "properties": {