Merge pull request #4502 from NomicFoundation/fix-compiler-downloader

Fix compiler download

Author: fvictorio

.changeset/unlucky-pens-melt.md

@@ -0,0 +1,5 @@
+---
+"hardhat": patch
+---
+
+Fixed the compiler download, which broke with the latest version of undici

packages/hardhat-core/src/internal/util/download.ts

@@ -48,7 +48,7 @@ export async function download(
   });
 
   if (response.statusCode >= 200 && response.statusCode <= 299) {
-    const responseBody = await response.body.arrayBuffer();
+    const responseBody = Buffer.from(await response.body.arrayBuffer());
     const tmpFilePath = resolveTempFileName(filePath);
     await fsExtra.ensureDir(path.dirname(filePath));