chore(solc): create artifacts folder on output (#1772)

ethers-solc/src/artifact_output/mod.rs

@@ -10,7 +10,7 @@ use crate::{
     error::Result,
     sourcemap::{SourceMap, SyntaxError},
     sources::VersionedSourceFile,
-    utils, HardhatArtifact, ProjectPathsConfig, SolFilesCache, SolcError,
+    utils, HardhatArtifact, ProjectPathsConfig, SolFilesCache, SolcError, SolcIoError,
 };
 use ethers_core::{abi::Abi, types::Bytes};
 use semver::Version;
@@ -577,6 +577,11 @@ pub trait ArtifactOutput {
         ctx: OutputContext,
     ) -> Result<Artifacts<Self::Artifact>> {
         let mut artifacts = self.output_to_artifacts(contracts, sources, ctx);
+        fs::create_dir_all(&layout.artifacts).map_err(|err| {
+            error!(dir=?layout.artifacts, "Failed to create artifacts folder");
+            SolcIoError::new(err, &layout.artifacts)
+        })?;
+
         artifacts.join_all(&layout.artifacts);
         artifacts.write_all()?;
 

ethers-solc/src/utils.rs

@@ -468,6 +468,17 @@ mod tests {
         assert!(path.parent().unwrap().is_dir());
     }
 
+    #[test]
+    fn can_create_parent_dirs_versioned() {
+        let tmp_dir = tempdir("out").unwrap();
+        let path = tmp_dir.path().join("IVersioned.sol/IVersioned.0.8.16.json");
+        create_parent_dir_all(&path).unwrap();
+        assert!(path.parent().unwrap().is_dir());
+        let path = tmp_dir.path().join("IVersioned.sol/IVersioned.json");
+        create_parent_dir_all(&path).unwrap();
+        assert!(path.parent().unwrap().is_dir());
+    }
+
     #[test]
     fn can_determine_local_paths() {
         assert!(is_local_source_name(&[""], "./local/contract.sol"));