Setchannel request is provided

.msggen.json

@@ -973,6 +973,27 @@
             "SendPsbt.tx": 1,
             "SendPsbt.txid": 2
         },
+        "SetchannelChannels": {
+            "SetChannel.channels[].channel_id": 2,
+            "SetChannel.channels[].fee_base_msat": 4,
+            "SetChannel.channels[].fee_proportional_millionths": 5,
+            "SetChannel.channels[].maximum_htlc_out_msat": 8,
+            "SetChannel.channels[].minimum_htlc_out_msat": 6,
+            "SetChannel.channels[].peer_id": 1,
+            "SetChannel.channels[].short_channel_id": 3,
+            "SetChannel.channels[].warning_htlcmax_too_high": 9,
+            "SetChannel.channels[].warning_htlcmin_too_low": 7
+        },
+        "SetchannelRequest": {
+            "SetChannel.feebase": 2,
+            "SetChannel.feeppm": 3,
+            "SetChannel.htlcmax": 5,
+            "SetChannel.htlcmin": 4,
+            "SetChannel.id": 1
+        },
+        "SetchannelResponse": {
+            "SetChannel.channels[]": 1
+        },
         "SignmessageRequest": {
             "SignMessage.message": 1
         },

cln-grpc/src/server.rs

@@ -1434,6 +1434,38 @@ async fn ping(
 
 }
 
+async fn set_channel(
+    &self,
+    request: tonic::Request<pb::SetchannelRequest>,
+) -> Result<tonic::Response<pb::SetchannelResponse>, tonic::Status> {
+    let req = request.into_inner();
+    let req: requests::SetchannelRequest = (&req).into();
+    debug!("Client asked for set_channel");
+    trace!("set_channel 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::SetChannel(req))
+        .await
+        .map_err(|e| Status::new(
+           Code::Unknown,
+           format!("Error calling method SetChannel: {:?}", e)))?;
+    match result {
+        Response::SetChannel(r) => {
+           trace!("set_channel response: {:?}", r);
+           Ok(tonic::Response::new((&r).into()))
+        },
+        r => Err(Status::new(
+            Code::Internal,
+            format!(
+                "Unexpected result {:?} to method call SetChannel",
+                r
+            )
+        )),
+    }
+
+}
+
 async fn sign_message(
     &self,
     request: tonic::Request<pb::SignmessageRequest>,

contrib/msggen/msggen/utils/utils.py

@@ -107,6 +107,7 @@ def load_jsonrpc_service(schema_dir: str = None):
         # "sendinvoice",
         # "sendonionmessage",
         # "setchannelfee",
+        "SetChannel",
         "SignMessage",
         # "unreserveinputs",
         # "waitblockheight",

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

@@ -849,6 +849,26 @@ def ping2py(m):
     })
 
 
+def setchannel_channels2py(m):
+    return remove_default({
+        "peer_id": hexlify(m.peer_id),  # PrimitiveField in generate_composite
+        "channel_id": hexlify(m.channel_id),  # PrimitiveField in generate_composite
+        "short_channel_id": m.short_channel_id,  # PrimitiveField in generate_composite
+        "fee_base_msat": amount2msat(m.fee_base_msat),  # PrimitiveField in generate_composite
+        "fee_proportional_millionths": m.fee_proportional_millionths,  # PrimitiveField in generate_composite
+        "minimum_htlc_out_msat": amount2msat(m.minimum_htlc_out_msat),  # PrimitiveField in generate_composite
+        "warning_htlcmin_too_low": m.warning_htlcmin_too_low,  # PrimitiveField in generate_composite
+        "maximum_htlc_out_msat": amount2msat(m.maximum_htlc_out_msat),  # PrimitiveField in generate_composite
+        "warning_htlcmax_too_high": m.warning_htlcmax_too_high,  # PrimitiveField in generate_composite
+    })
+
+
+def setchannel2py(m):
+    return remove_default({
+        "channels": [setchannel_channels2py(i) for i in m.channels],  # ArrayField[composite] in generate_composite
+    })
+
+
 def signmessage2py(m):
     return remove_default({
         "signature": hexlify(m.signature),  # PrimitiveField in generate_composite

contrib/pyln-testing/pyln/testing/node_pb2_grpc.py

@@ -234,6 +234,11 @@ class NodeStub(object):
                 request_serializer=node__pb2.PingRequest.SerializeToString,
                 response_deserializer=node__pb2.PingResponse.FromString,
                 )
+        self.SetChannel = channel.unary_unary(
+                '/cln.Node/SetChannel',
+                request_serializer=node__pb2.SetchannelRequest.SerializeToString,
+                response_deserializer=node__pb2.SetchannelResponse.FromString,
+                )
         self.SignMessage = channel.unary_unary(
                 '/cln.Node/SignMessage',
                 request_serializer=node__pb2.SignmessageRequest.SerializeToString,
@@ -513,6 +518,12 @@ class NodeServicer(object):
         context.set_details('Method not implemented!')
         raise NotImplementedError('Method not implemented!')
 
+    def SetChannel(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 SignMessage(self, request, context):
         """Missing associated documentation comment in .proto file."""
         context.set_code(grpc.StatusCode.UNIMPLEMENTED)
@@ -748,6 +759,11 @@ def add_NodeServicer_to_server(servicer, server):
                     request_deserializer=node__pb2.PingRequest.FromString,
                     response_serializer=node__pb2.PingResponse.SerializeToString,
             ),
+            'SetChannel': grpc.unary_unary_rpc_method_handler(
+                    servicer.SetChannel,
+                    request_deserializer=node__pb2.SetchannelRequest.FromString,
+                    response_serializer=node__pb2.SetchannelResponse.SerializeToString,
+            ),
             'SignMessage': grpc.unary_unary_rpc_method_handler(
                     servicer.SignMessage,
                     request_deserializer=node__pb2.SignmessageRequest.FromString,
@@ -1516,6 +1532,23 @@ class Node(object):
             options, channel_credentials,
             insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
 
+    @staticmethod
+    def SetChannel(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/SetChannel',
+            node__pb2.SetchannelRequest.SerializeToString,
+            node__pb2.SetchannelResponse.FromString,
+            options, channel_credentials,
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
+
     @staticmethod
     def SignMessage(request,
             target,

doc/schemas/setchannel.request.json

@@ -0,0 +1,25 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "type": "object",
+  "additionalProperties": false,
+  "required": [
+    "id"
+  ],
+  "properties": {
+    "id": {
+      "type": "string"
+    },
+    "feebase": {
+      "type": "msat"
+    },
+    "feeppm": {
+      "type": "u32"
+    },
+    "htlcmin": {
+      "type": "msat"
+    },
+    "htlcmax": {
+      "type": "msat"
+    }
+  }
+}