From 379cbdd8f19ba1e2d85253d16af7287df70a5ea8 Mon Sep 17 00:00:00 2001
From: Christopher Dedominici
 <18092467+ChristopherDedominici@users.noreply.github.com>
Date: Fri, 6 Sep 2024 11:44:13 +0200
Subject: [PATCH] add check to validate that JSON file is fully written

---
 v-next/hardhat-utils/test/subprocess.ts | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/v-next/hardhat-utils/test/subprocess.ts b/v-next/hardhat-utils/test/subprocess.ts
index 6c7e790337..9ee9a50efa 100644
--- a/v-next/hardhat-utils/test/subprocess.ts
+++ b/v-next/hardhat-utils/test/subprocess.ts
@@ -35,8 +35,12 @@ async function checkIfSubprocessWasExecuted() {
       counter++;
 
       if (await exists(ABSOLUTE_PATH_TO_TMP_RESULT_SUBPROCESS_FILE)) {
-        clearInterval(intervalId);
-        resolve(true);
+        try {
+          // Wait for the file to be readable. The file could exist but the writing could be in progress.
+          await readJsonFile(ABSOLUTE_PATH_TO_TMP_RESULT_SUBPROCESS_FILE);
+          clearInterval(intervalId);
+          resolve(true);
+        } catch (_err) {}
       } else if (counter > MAX_COUNTER) {
         clearInterval(intervalId);
         reject("Subprocess was not executed in the expected time");