msggen: Add staticbackup mapping

.msggen.json

@@ -1500,6 +1500,9 @@
         "SignpsbtResponse": {
             "SignPsbt.signed_psbt": 1
         },
+        "StaticbackupResponse": {
+            "StaticBackup.scb[]": 1
+        },
         "TxdiscardRequest": {
             "TxDiscard.txid": 1
         },
@@ -5285,6 +5288,14 @@
             "added": "pre-v0.10.1",
             "deprecated": false
         },
+        "StaticBackup": {
+            "added": "pre-v0.10.1",
+            "deprecated": null
+        },
+        "StaticBackup.scb[]": {
+            "added": "pre-v0.10.1",
+            "deprecated": false
+        },
         "Stop": {
             "added": "pre-v0.10.1",
             "deprecated": null

cln-grpc/src/server.rs

@@ -1818,4 +1818,36 @@ async fn pre_approve_invoice(
 
 }
 
+async fn static_backup(
+    &self,
+    request: tonic::Request<pb::StaticbackupRequest>,
+) -> Result<tonic::Response<pb::StaticbackupResponse>, tonic::Status> {
+    let req = request.into_inner();
+    let req: requests::StaticbackupRequest = req.into();
+    debug!("Client asked for static_backup");
+    trace!("static_backup request: {:?}", req);
+    let mut rpc = ClnRpc::new(&self.rpc_path)
+        .await
+        .map_err(|e| Status::new(Code::Internal, e.to_string()))?;
+    let result = rpc.call(Request::StaticBackup(req))
+        .await
+        .map_err(|e| Status::new(
+           Code::Unknown,
+           format!("Error calling method StaticBackup: {:?}", e)))?;
+    match result {
+        Response::StaticBackup(r) => {
+           trace!("static_backup response: {:?}", r);
+           Ok(tonic::Response::new(r.into()))
+        },
+        r => Err(Status::new(
+            Code::Internal,
+            format!(
+                "Unexpected result {:?} to method call StaticBackup",
+                r
+            )
+        )),
+    }
+
+}
+
 }

contrib/msggen/msggen/utils/utils.py

@@ -111,6 +111,7 @@ def load_jsonrpc_service(schema_dir: str):
         # "help",
         "PreApproveKeysend",
         "PreApproveInvoice",
+        "StaticBackup",
     ]
     methods = [load_jsonrpc_method(name, schema_dir=schema_dir) for name in method_names]
     service = Service(name="Node", methods=methods)

contrib/pyln-grpc-proto/pyln/grpc/node_pb2_grpc.py

@@ -294,6 +294,11 @@ def __init__(self, channel):
                 request_serializer=node__pb2.PreapproveinvoiceRequest.SerializeToString,
                 response_deserializer=node__pb2.PreapproveinvoiceResponse.FromString,
                 )
+        self.StaticBackup = channel.unary_unary(
+                '/cln.Node/StaticBackup',
+                request_serializer=node__pb2.StaticbackupRequest.SerializeToString,
+                response_deserializer=node__pb2.StaticbackupResponse.FromString,
+                )
 
 
 class NodeServicer(object):
@@ -635,6 +640,12 @@ def PreApproveInvoice(self, request, context):
         context.set_details('Method not implemented!')
         raise NotImplementedError('Method not implemented!')
 
+    def StaticBackup(self, request, context):
+        """Missing associated documentation comment in .proto file."""
+        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+        context.set_details('Method not implemented!')
+        raise NotImplementedError('Method not implemented!')
+
 
 def add_NodeServicer_to_server(servicer, server):
     rpc_method_handlers = {
@@ -918,6 +929,11 @@ def add_NodeServicer_to_server(servicer, server):
                     request_deserializer=node__pb2.PreapproveinvoiceRequest.FromString,
                     response_serializer=node__pb2.PreapproveinvoiceResponse.SerializeToString,
             ),
+            'StaticBackup': grpc.unary_unary_rpc_method_handler(
+                    servicer.StaticBackup,
+                    request_deserializer=node__pb2.StaticbackupRequest.FromString,
+                    response_serializer=node__pb2.StaticbackupResponse.SerializeToString,
+            ),
     }
     generic_handler = grpc.method_handlers_generic_handler(
             'cln.Node', rpc_method_handlers)
@@ -1879,3 +1895,20 @@ def PreApproveInvoice(request,
             node__pb2.PreapproveinvoiceResponse.FromString,
             options, channel_credentials,
             insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
+
+    @staticmethod
+    def StaticBackup(request,
+            target,
+            options=(),
+            channel_credentials=None,
+            call_credentials=None,
+            insecure=False,
+            compression=None,
+            wait_for_ready=None,
+            timeout=None,
+            metadata=None):
+        return grpc.experimental.unary_unary(request, target, '/cln.Node/StaticBackup',
+            node__pb2.StaticbackupRequest.SerializeToString,
+            node__pb2.StaticbackupResponse.FromString,
+            options, channel_credentials,
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)

contrib/pyln-testing/pyln/testing/grpc2py.py

@@ -1371,3 +1371,9 @@ def preapprovekeysend2py(m):
 def preapproveinvoice2py(m):
     return remove_default({
     })
+
+
+def staticbackup2py(m):
+    return remove_default({
+        "scb": [hexlify(m.scb) for i in hexlify(m.scb)], # ArrayField[primitive] in generate_composite
+    })

doc/lightning-staticbackup.7.md

@@ -15,9 +15,13 @@ The **staticbackup** RPC command returns an object with SCB of all the channels
 RETURN VALUE
 ------------
 
+[comment]: # (GENERATE-FROM-SCHEMA-START)
 On success, an object is returned, containing:
+
 - **scb** (array of hexs):
-  - Each item is SCB of a channel in TLV format
+  - SCB of a channel in TLV format
+
+[comment]: # (GENERATE-FROM-SCHEMA-END)
 
 
 AUTHOR
@@ -35,4 +39,4 @@ RESOURCES
 
 Main web site: <https://github.com/ElementsProject/lightning>
 
-[comment]: # ( SHA256STAMP:9cfaa9eb4609b36accc3e3b12a352c00ddd402307e4461f4df274146d12f6eb0)
+[comment]: # ( SHA256STAMP:d76fa5580c067419d83f7103758907b8771f9c393a38ec053c3a36de03a76e9a)

doc/schemas/staticbackup.schema.json

@@ -9,7 +9,7 @@
     "scb": {
       "type": "array",
       "items": {
-        "type": "string",
+        "type": "hex",
         "description": "SCB of a channel in TLV format"
       }
     }