msggen: Add RoutehintList as a primitive

contrib/msggen/msggen/grpc.py

@@ -377,7 +377,7 @@ class GrpcUnconverterGenerator(GrpcConverterGenerator):
             if isinstance(f, ArrayField):
                 typ = f.itemtype.typename
                 mapping = {
-                    'hex': f'hex::decode(s).unwrap()',
+                    'hex': f'hex::encode(s)',
                     'u32': f's.clone()',
                 }.get(typ, f's.into()')
                 self.write(f"{name}: c.{name}.iter().map(|s| {mapping}).collect(),\n", numindent=3)
@@ -410,6 +410,7 @@ class GrpcUnconverterGenerator(GrpcConverterGenerator):
                     'msat|any?': f'c.{name}.as_ref().map(|a| a.into())',
                     'feerate': f'c.{name}.as_ref().unwrap().into()',
                     'feerate?': f'c.{name}.as_ref().map(|a| a.into())',
+                    'RoutehintList?': f'c.{name}.clone().map(|rl| rl.into())',
                 }.get(
                     typ,
                     f'c.{name}.clone()'  # default to just assignment

contrib/msggen/msggen/model.py

@@ -340,6 +340,7 @@ InvoiceLabelField = PrimitiveField("string", None, None)
 DatastoreKeyField = ArrayField(itemtype=PrimitiveField("string", None, None), dims=1, path=None, description=None)
 InvoiceExposeprivatechannelsField = PrimitiveField("boolean", None, None)
 PayExclude = ArrayField(itemtype=PrimitiveField("string", None, None), dims=1, path=None, description=None)
+RoutehintListField = PrimitiveField("RoutehintList", None, None)
 # Override fields with manually managed types, fieldpath -> field mapping
 overrides = {
     'Invoice.label': InvoiceLabelField,
@@ -350,6 +351,7 @@ overrides = {
     'ListDatastore.key': DatastoreKeyField,
     'Invoice.exposeprivatechannels': InvoiceExposeprivatechannelsField,
     'Pay.exclude': PayExclude,
+    'KeySend.routehints': RoutehintListField,
 }
 
 

contrib/msggen/msggen/rust.py

@@ -165,7 +165,7 @@ def gen_array(a):
         return ("", "")  # Override said not to include
 
     itemtype = typemap.get(itemtype, itemtype)
-    alias = a.name.normalized()[:-2]  # Strip the `[]` suffix for arrays.
+    alias = a.name.normalized()
     defi = f"    #[serde(alias = \"{alias}\")]\n    pub {name}: {'Vec<'*a.dims}{itemtype}{'>'*a.dims},\n"
 
     return (defi, decl)