msggen: add sendinvoice method

Changelog-None

.msggen.json

@@ -413,6 +413,11 @@
             "failed": 2,
             "pending": 1
         },
+        "SendinvoiceStatus": {
+            "expired": 2,
+            "paid": 1,
+            "unpaid": 0
+        },
         "SendonionStatus": {
             "complete": 1,
             "pending": 0
@@ -2188,6 +2193,28 @@
         "SendcustommsgResponse": {
             "SendCustomMsg.status": 1
         },
+        "SendinvoiceRequest": {
+            "SendInvoice.amount_msat": 3,
+            "SendInvoice.invreq": 1,
+            "SendInvoice.label": 2,
+            "SendInvoice.quantity": 5,
+            "SendInvoice.timeout": 4
+        },
+        "SendinvoiceResponse": {
+            "SendInvoice.amount_msat": 6,
+            "SendInvoice.amount_received_msat": 11,
+            "SendInvoice.bolt12": 7,
+            "SendInvoice.created_index": 8,
+            "SendInvoice.description": 2,
+            "SendInvoice.expires_at": 5,
+            "SendInvoice.label": 1,
+            "SendInvoice.paid_at": 12,
+            "SendInvoice.pay_index": 10,
+            "SendInvoice.payment_hash": 3,
+            "SendInvoice.payment_preimage": 13,
+            "SendInvoice.status": 4,
+            "SendInvoice.updated_index": 9
+        },
         "SendonionFirst_hop": {
             "SendOnion.first_hop.amount_msat": 2,
             "SendOnion.first_hop.delay": 3,
@@ -7708,6 +7735,74 @@
             "added": "pre-v0.10.1",
             "deprecated": false
         },
+        "SendInvoice": {
+            "added": "pre-v0.10.1",
+            "deprecated": null
+        },
+        "SendInvoice.amount_msat": {
+            "added": "pre-v0.10.1",
+            "deprecated": false
+        },
+        "SendInvoice.amount_received_msat": {
+            "added": "pre-v0.10.1",
+            "deprecated": false
+        },
+        "SendInvoice.bolt12": {
+            "added": "pre-v0.10.1",
+            "deprecated": false
+        },
+        "SendInvoice.created_index": {
+            "added": "v23.08",
+            "deprecated": false
+        },
+        "SendInvoice.description": {
+            "added": "pre-v0.10.1",
+            "deprecated": false
+        },
+        "SendInvoice.expires_at": {
+            "added": "pre-v0.10.1",
+            "deprecated": false
+        },
+        "SendInvoice.invreq": {
+            "added": "pre-v0.10.1",
+            "deprecated": false
+        },
+        "SendInvoice.label": {
+            "added": "pre-v0.10.1",
+            "deprecated": false
+        },
+        "SendInvoice.paid_at": {
+            "added": "pre-v0.10.1",
+            "deprecated": false
+        },
+        "SendInvoice.pay_index": {
+            "added": "pre-v0.10.1",
+            "deprecated": false
+        },
+        "SendInvoice.payment_hash": {
+            "added": "pre-v0.10.1",
+            "deprecated": false
+        },
+        "SendInvoice.payment_preimage": {
+            "added": "pre-v0.10.1",
+            "deprecated": false
+        },
+        "SendInvoice.quantity": {
+            "added": "pre-v0.10.1",
+            "deprecated": false
+        },
+        "SendInvoice.status": {
+            "added": "pre-v0.10.1",
+            "deprecated": false
+        },
+        "SendInvoice.timeout": {
+            "added": "pre-v0.10.1",
+            "deprecated": false
+        },
+        "SendInvoice.updated_index": {
+            "added": "v23.08",
+            "deprecated": false
+        },
         "SendOnion": {
             "added": "pre-v0.10.1",
             "deprecated": null

cln-grpc/src/server.rs

@@ -2298,6 +2298,38 @@ async fn send_custom_msg(
 
 }
 
+async fn send_invoice(
+    &self,
+    request: tonic::Request<pb::SendinvoiceRequest>,
+) -> Result<tonic::Response<pb::SendinvoiceResponse>, tonic::Status> {
+    let req = request.into_inner();
+    let req: requests::SendinvoiceRequest = req.into();
+    debug!("Client asked for send_invoice");
+    trace!("send_invoice 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::SendInvoice(req))
+        .await
+        .map_err(|e| Status::new(
+           Code::Unknown,
+           format!("Error calling method SendInvoice: {:?}", e)))?;
+    match result {
+        Response::SendInvoice(r) => {
+           trace!("send_invoice response: {:?}", r);
+           Ok(tonic::Response::new(r.into()))
+        },
+        r => Err(Status::new(
+            Code::Internal,
+            format!(
+                "Unexpected result {:?} to method call SendInvoice",
+                r
+            )
+        )),
+    }
+
+}
+
 async fn set_channel(
     &self,
     request: tonic::Request<pb::SetchannelRequest>,