fix(solc): use correct empty output selection
//! bindings for standard json output selection
-use serde::{Deserialize, Deserializer, Serialize, Serializer};
+use serde::{ser::SerializeMap, Deserialize, Deserializer, Serialize, Serializer};
use std::{collections::BTreeMap, fmt, str::FromStr};
/// Represents the desired outputs based on a File `(file -> (contract -> [outputs]))`
@@ -68,7 +68,7 @@ pub type FileOutputSelection = BTreeMap<String, Vec<String>>;
/// }
/// }
/// ```
-#[derive(Debug, Clone, Eq, PartialEq, Default, Serialize, Deserialize)]
+#[derive(Debug, Clone, Eq, PartialEq, Default, Deserialize)]
#[serde(transparent)]
pub struct OutputSelection(pub BTreeMap<String, FileOutputSelection>);
@@ -121,6 +121,39 @@ impl OutputSelection {
}
}
+// this will make sure that if the `FileOutputSelection` for a certain file is empty will be
+// serializes as `"*" : []` because
+// > Contract level (needs the contract name or "*") <https://docs.soliditylang.org/en/v0.8.13/using-the-compiler.html>
+impl Serialize for OutputSelection {
+ fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+ where
+ S: Serializer,
+ {
+ struct EmptyFileOutput;
+
+ impl Serialize for EmptyFileOutput {
+ fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+ where
+ S: Serializer,
+ {
+ let mut map = serializer.serialize_map(Some(1))?;
+ map.serialize_entry("*", &[] as &[String])?;
+ map.end()
+ }
+ }
+
+ let mut map = serializer.serialize_map(Some(self.0.len()))?;
+ for (file, selection) in self.0.iter() {
+ if selection.is_empty() {
+ map.serialize_entry(file, &EmptyFileOutput {})?;
+ } else {
+ map.serialize_entry(file, selection)?;
+ }
+ }
+ map.end()
+ }
+}
+
impl AsRef<BTreeMap<String, FileOutputSelection>> for OutputSelection {
fn as_ref(&self) -> &BTreeMap<String, FileOutputSelection> {
&self.0
@@ -532,4 +565,12 @@ mod tests {
assert_eq!(json, serde_json::to_string(&deserde_selection).unwrap());
}
+
+ #[test]
+ fn empty_outputselection_serde_works() {
+ let mut empty = OutputSelection::default();
+ empty.0.insert("contract.sol".to_string(), OutputSelection::empty_file_output_select());
+ let s = serde_json::to_string(&empty).unwrap();
+ assert_eq!(s, r#"{"contract.sol":{"*":[]}}"#);
+ }
}
