Support RawRangeResponse in go-gen

Author: chipshort

packages/go-gen/src/main.rs

@@ -11,7 +11,7 @@ mod schema;
 mod utils;
 
 fn main() -> Result<()> {
-    let root = cosmwasm_schema::schema_for!(cosmwasm_std::Reply);
+    let root = cosmwasm_schema::schema_for!(cosmwasm_std::RawRangeResponse);
 
     let code = generate_go(root)?;
     println!("{}", code);
@@ -355,6 +355,7 @@ mod tests {
         // wasm
         compare_codes!(cosmwasm_std::ContractInfoResponse);
         compare_codes!(cosmwasm_std::CodeInfoResponse);
+        compare_codes!(cosmwasm_std::RawRangeResponse);
     }
 
     #[test]

packages/go-gen/src/schema.rs

@@ -246,6 +246,16 @@ pub fn array_item_type(
         Some(SingleOrVec::Single(array_validation)) => {
             schema_object_type(array_validation.object()?, type_context, additional_structs)
         }
+        Some(SingleOrVec::Vec(v))
+            if v.len() == 1 || v.len() > 1 && v.windows(2).all(|w| w[0] == w[1]) =>
+        {
+            // all items are the same type
+            schema_object_type(
+                v.first().unwrap().object()?,
+                type_context,
+                additional_structs,
+            )
+        }
         _ => bail!("array type with non-singular item type is not supported"),
     }
 }

packages/go-gen/tests/cosmwasm_std__RawRangeResponse.go

@@ -0,0 +1,6 @@
+type RawRangeResponse struct {
+	// The key-value pairs
+	Data Array[Array[[]byte]] `json:"data"`
+	// `None` if there are no more key-value pairs within the given key range.
+	NextKey *[]byte `json:"next_key,omitempty"`
+}