From e4d58e1e86fb81f6e30c52ea50a2c46a4e544a79 Mon Sep 17 00:00:00 2001
From: Oleh Komendant <oleg02kom@gmail.com>
Date: Fri, 15 Nov 2024 20:05:48 +0200
Subject: [PATCH] Fix code style

---
 src/core/dependencies/CircomFilesResolver.ts |  5 ++---
 src/utils/utils.ts                           | 23 ++++++++++++--------
 2 files changed, 16 insertions(+), 12 deletions(-)

diff --git a/src/core/dependencies/CircomFilesResolver.ts b/src/core/dependencies/CircomFilesResolver.ts
index 056b82e..8ebe015 100644
--- a/src/core/dependencies/CircomFilesResolver.ts
+++ b/src/core/dependencies/CircomFilesResolver.ts
@@ -19,7 +19,7 @@ import { getRealPath } from "hardhat/internal/util/fs-utils";
 
 import { CircomFilesParser } from "./parser/CircomFilesParser";
 import { CIRCOM_FILE_REG_EXP, NODE_MODULES, NODE_MODULES_REG_EXP, URI_SCHEME_REG_EXP } from "../../constants";
-import { getSHA1Hash } from "../../utils";
+import { getFileHash } from "../../utils";
 import { HardhatZKitError } from "../../errors";
 
 import {
@@ -385,8 +385,7 @@ export class CircomFilesResolver {
     const stats = await fsExtra.stat(absolutePath);
     const lastModificationDate = new Date(stats.ctime);
 
-    // Add await here
-    const contentHash = await getSHA1Hash(fsExtra.readFileSync(absolutePath));
+    const contentHash = await getFileHash(absolutePath);
 
     const fileData = this._parser.parse(rawContent, absolutePath, contentHash);
 
diff --git a/src/utils/utils.ts b/src/utils/utils.ts
index 7400b36..ab3b2c4 100644
--- a/src/utils/utils.ts
+++ b/src/utils/utils.ts
@@ -8,11 +8,11 @@ import * as snarkjs from "snarkjs";
 import { ProvingSystemType } from "@solarity/zkit";
 
 import { Reporter } from "../reporter";
+import { HardhatZKitError } from "../errors";
+import { BN128_CURVE_NAME } from "../constants";
 
 import { ExecCallResult } from "../types/utils";
 
-import { BN128_CURVE_NAME } from "../constants";
-
 /**
  * Downloads a file from the specified URL
  *
@@ -108,14 +108,19 @@ export async function getFileHash(filePath: string): Promise<string> {
     const hash = createHash("sha1");
     const stream = fsExtra.createReadStream(filePath);
 
-    stream.on("data", (data) => hash.update(data));
-    stream.on("end", () => resolve(hash.digest("hex")));
-    stream.on("error", reject);
-  });
-}
+    stream.on("data", (data: Buffer) => {
+      // Add data chunk to the hash object
+      hash.update(data);
+    });
+
+    stream.on("end", () => {
+      resolve(hash.digest("hex"));
+    });
 
-export function getSHA1Hash(rawFileData: Buffer): string {
-  return createHash("sha1").update(rawFileData).digest().toString("hex");
+    stream.on("error", () => {
+      reject(new HardhatZKitError(`Failed to read ${filePath} file`));
+    });
+  });
 }
 
 export function getUniqueProvingSystems(provingSystems: ProvingSystemType | ProvingSystemType[]): ProvingSystemType[] {