grpc: Add WaitBlockHeight method to grpc interface

.msggen.json

@@ -1579,6 +1579,13 @@
             "WaitAnyInvoice.status": 4,
             "WaitAnyInvoice.updated_index": 14
         },
+        "WaitblockheightRequest": {
+            "WaitBlockHeight.blockheight": 1,
+            "WaitBlockHeight.timeout": 2
+        },
+        "WaitblockheightResponse": {
+            "WaitBlockHeight.blockheight": 1
+        },
         "WaitinvoiceRequest": {
             "WaitInvoice.label": 1
         },
@@ -5518,6 +5525,18 @@
             "added": "v23.08",
             "deprecated": false
         },
+        "WaitBlockHeight": {
+            "added": "pre-v0.10.1",
+            "deprecated": null
+        },
+        "WaitBlockHeight.blockheight": {
+            "added": "pre-v0.10.1",
+            "deprecated": false
+        },
+        "WaitBlockHeight.timeout": {
+            "added": "pre-v0.10.1",
+            "deprecated": false
+        },
         "WaitInvoice": {
             "added": "pre-v0.10.1",
             "deprecated": null

cln-grpc/src/server.rs

@@ -1722,6 +1722,38 @@ async fn sign_message(
 
 }
 
+async fn wait_block_height(
+    &self,
+    request: tonic::Request<pb::WaitblockheightRequest>,
+) -> Result<tonic::Response<pb::WaitblockheightResponse>, tonic::Status> {
+    let req = request.into_inner();
+    let req: requests::WaitblockheightRequest = req.into();
+    debug!("Client asked for wait_block_height");
+    trace!("wait_block_height 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::WaitBlockHeight(req))
+        .await
+        .map_err(|e| Status::new(
+           Code::Unknown,
+           format!("Error calling method WaitBlockHeight: {:?}", e)))?;
+    match result {
+        Response::WaitBlockHeight(r) => {
+           trace!("wait_block_height response: {:?}", r);
+           Ok(tonic::Response::new(r.into()))
+        },
+        r => Err(Status::new(
+            Code::Internal,
+            format!(
+                "Unexpected result {:?} to method call WaitBlockHeight",
+                r
+            )
+        )),
+    }
+
+}
+
 async fn stop(
     &self,
     request: tonic::Request<pb::StopRequest>,

cln-grpc/src/test.rs

@@ -1,3 +1,4 @@
+use crate::pb::*;
 use serde_json::json;
 
 #[test]
@@ -246,14 +247,57 @@ fn test_getinfo() {
 	    "network": "regtest",
 	    "fees_collected_msat": "0msat", "lightning-dir": "/tmp/ltests-20irp76f/test_pay_variants_1/lightning-1/regtest",
 	    "our_features": {"init": "8808226aa2", "node": "80008808226aa2", "channel": "", "invoice": "024200"}});
-    let _u: cln_rpc::model::responses::GetinfoResponse = serde_json::from_value(j.clone()).unwrap();
+    let u: cln_rpc::model::responses::GetinfoResponse = serde_json::from_value(j.clone()).unwrap();
+    let _g: GetinfoResponse = u.into();
     //let u2: cln_rpc::model::GetinfoResponse = g.into();
     //let j2 = serde_json::to_value(u2).unwrap();
     //assert_eq!(j, j2);
 }
 
 #[test]
 fn test_keysend() {
+    let g =
+        KeysendRequest {
+            destination: hex::decode(
+                "035d2b1192dfba134e10e540875d366ebc8bc353d5aa766b80c090b39c3a5d885d",
+            )
+            .unwrap(),
+            amount_msat: Some(Amount { msat: 10000 }),
+
+            label: Some("hello".to_string()),
+            exemptfee: None,
+            maxdelay: None,
+            retry_for: None,
+            maxfeepercent: None,
+            routehints: Some(RoutehintList {
+                hints: vec![Routehint {
+                    hops: vec![RouteHop {
+                    id: hex::decode(
+                        "035d2b1192dfba134e10e540875d366ebc8bc353d5aa766b80c090b39c3a5d885d",
+                    )
+                    .unwrap(),
+                    short_channel_id: "12345x678x90".to_string(),
+                    feebase: Some(Amount { msat: 123 }),
+                    feeprop: 1234,
+                    expirydelta: 9,
+                },RouteHop {
+                    id: hex::decode(
+                        "035d2b1192dfba134e10e540875d366ebc8bc353d5aa766b80c090b39c3a5d885d",
+                    )
+                    .unwrap(),
+                    short_channel_id: "12345x678x90".to_string(),
+                    feebase: Some(Amount { msat: 123 }),
+                    feeprop: 1234,
+                    expirydelta: 9,
+                }],
+                }],
+            }),
+            extratlvs: None,
+        };
+
+    let u: cln_rpc::model::requests::KeysendRequest = g.into();
+    let _ser = serde_json::to_string(&u);
+
     let j = r#"{
 	"destination": "035d2b1192dfba134e10e540875d366ebc8bc353d5aa766b80c090b39c3a5d885d",
 	"payment_hash": "e74b03a98453dcb5a7ed5406b97ec3566dde4be85ef71685110f4c0ebc600592",
@@ -267,6 +311,8 @@ fn test_keysend() {
 	"status": "complete"
     }"#;
     let u: cln_rpc::model::responses::KeysendResponse = serde_json::from_str(j).unwrap();
+    let g: KeysendResponse = u.clone().into();
+    println!("{:?}", g);
 
     let v: serde_json::Value = serde_json::to_value(u.clone()).unwrap();
     let g: cln_rpc::model::responses::KeysendResponse = u.into();

contrib/msggen/msggen/utils/utils.py

@@ -103,7 +103,7 @@ def load_jsonrpc_service(schema_dir: str):
         "SignInvoice",
         "SignMessage",
         # "unreserveinputs",
-        # "waitblockheight",
+        "WaitBlockHeight",
         # "ListConfigs",
         # "check",  # No point in mapping this one
         "Stop",

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

@@ -279,6 +279,11 @@ def __init__(self, channel):
                 request_serializer=node__pb2.SignmessageRequest.SerializeToString,
                 response_deserializer=node__pb2.SignmessageResponse.FromString,
                 )
+        self.WaitBlockHeight = channel.unary_unary(
+                '/cln.Node/WaitBlockHeight',
+                request_serializer=node__pb2.WaitblockheightRequest.SerializeToString,
+                response_deserializer=node__pb2.WaitblockheightResponse.FromString,
+                )
         self.Stop = channel.unary_unary(
                 '/cln.Node/Stop',
                 request_serializer=node__pb2.StopRequest.SerializeToString,
@@ -622,6 +627,12 @@ def SignMessage(self, request, context):
         context.set_details('Method not implemented!')
         raise NotImplementedError('Method not implemented!')
 
+    def WaitBlockHeight(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 Stop(self, request, context):
         """Missing associated documentation comment in .proto file."""
         context.set_code(grpc.StatusCode.UNIMPLEMENTED)
@@ -914,6 +925,11 @@ def add_NodeServicer_to_server(servicer, server):
                     request_deserializer=node__pb2.SignmessageRequest.FromString,
                     response_serializer=node__pb2.SignmessageResponse.SerializeToString,
             ),
+            'WaitBlockHeight': grpc.unary_unary_rpc_method_handler(
+                    servicer.WaitBlockHeight,
+                    request_deserializer=node__pb2.WaitblockheightRequest.FromString,
+                    response_serializer=node__pb2.WaitblockheightResponse.SerializeToString,
+            ),
             'Stop': grpc.unary_unary_rpc_method_handler(
                     servicer.Stop,
                     request_deserializer=node__pb2.StopRequest.FromString,
@@ -1845,6 +1861,23 @@ def SignMessage(request,
             options, channel_credentials,
             insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
 
+    @staticmethod
+    def WaitBlockHeight(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/WaitBlockHeight',
+            node__pb2.WaitblockheightRequest.SerializeToString,
+            node__pb2.WaitblockheightResponse.FromString,
+            options, channel_credentials,
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
+
     @staticmethod
     def Stop(request,
             target,

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

@@ -1358,6 +1358,12 @@ def signmessage2py(m):
     })
 
 
+def waitblockheight2py(m):
+    return remove_default({
+        "blockheight": m.blockheight,  # PrimitiveField in generate_composite
+    })
+
+
 def stop2py(m):
     return remove_default({
     })

doc/schemas/waitblockheight.request.json

@@ -0,0 +1,18 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "type": "object",
+  "additionalProperties": false,
+  "required": [
+    "blockheight"
+  ],
+  "properties": {
+    "blockheight": {
+      "type": "u32",
+      "description": "The current block height (>= blockheight parameter)"
+    },
+    "timeout": {
+      "type": "u32",
+      "description": "If timeout seconds is reached without the specified blockheight being reached, this command will fail with a code of 2000."
+    }
+  }
+}