lnrpc: receive custom message

lnrpc/lightning.swagger.json

@@ -884,6 +884,38 @@
         ]
       }
     },
+    "/v1/custommessage/subscribe": {
+      "get": {
+        "summary": "lncli: `subscribecustom`\nSubscribeCustomMessages subscribes to a stream of incoming custom peer\nmessages.",
+        "operationId": "Lightning_SubscribeCustomMessages",
+        "responses": {
+          "200": {
+            "description": "A successful response.(streaming responses)",
+            "schema": {
+              "type": "object",
+              "properties": {
+                "result": {
+                  "$ref": "#/definitions/lnrpcCustomMessage"
+                },
+                "error": {
+                  "$ref": "#/definitions/rpcStatus"
+                }
+              },
+              "title": "Stream result of lnrpcCustomMessage"
+            }
+          },
+          "default": {
+            "description": "An unexpected error response.",
+            "schema": {
+              "$ref": "#/definitions/rpcStatus"
+            }
+          }
+        },
+        "tags": [
+          "Lightning"
+        ]
+      }
+    },
     "/v1/debuglevel": {
       "post": {
         "summary": "lncli: `debuglevel`\nDebugLevel allows a caller to programmatically set the logging verbosity of\nlnd. The logging can be targeted according to a coarse daemon-wide logging\nlevel, or in a granular fashion to specify the logging for a target\nsub-system.",
@@ -3830,6 +3862,26 @@
     "lnrpcConnectPeerResponse": {
       "type": "object"
     },
+    "lnrpcCustomMessage": {
+      "type": "object",
+      "properties": {
+        "peer": {
+          "type": "string",
+          "format": "byte",
+          "title": "Peer from which the message originates"
+        },
+        "type": {
+          "type": "integer",
+          "format": "int64",
+          "description": "Message type. This value will be in the custom range (\u003e= 32768)."
+        },
+        "data": {
+          "type": "string",
+          "format": "byte",
+          "title": "Raw message data"
+        }
+      }
+    },
     "lnrpcDebugLevelRequest": {
       "type": "object",
       "properties": {