From b27ecd34f1575dd21fb81bead653cd47bffcd574 Mon Sep 17 00:00:00 2001
From: dhruvja <dhruv@iamsizzling.com>
Date: Wed, 22 Apr 2026 12:54:22 +0530
Subject: [PATCH] fix(contract_manager): include filename in JSON parse errors

---
 contract_manager/src/node/utils/store.ts | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

diff --git a/contract_manager/src/node/utils/store.ts b/contract_manager/src/node/utils/store.ts
index 5f5e096b71..99319ceea4 100644
--- a/contract_manager/src/node/utils/store.ts
+++ b/contract_manager/src/node/utils/store.ts
@@ -56,6 +56,17 @@ import {
 } from "../../core/contracts/starknet";
 import { Token } from "../../core/token";
 
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+function parseJsonFile(jsonFile: string): any {
+  try {
+    return JSON.parse(readFileSync(jsonFile, "utf8"));
+  } catch (err) {
+    throw new Error(
+      `Failed to parse ${jsonFile}: ${(err as Error).message}`,
+    );
+  }
+}
+
 export class Store {
   public chains: Record<string, Chain> = { global: new GlobalChain() };
   public contracts: Record<string, PriceFeedContract> = {};
@@ -114,7 +125,7 @@ export class Store {
     };
 
     for (const jsonFile of this.getJsonFiles(`${this.path}/chains/`)) {
-      const parsedArray = JSON.parse(readFileSync(jsonFile, "utf8"));
+      const parsedArray = parseJsonFile(jsonFile);
       for (const parsed of parsedArray) {
         if (allChainClasses[parsed.type] === undefined) {
           throw new Error(
@@ -202,7 +213,7 @@ export class Store {
       [SuiLazerContract.type]: SuiLazerContract,
     };
     this.getJsonFiles(`${this.path}/contracts/`).forEach((jsonFile) => {
-      const parsedArray = JSON.parse(readFileSync(jsonFile, "utf8"));
+      const parsedArray = parseJsonFile(jsonFile);
       for (const parsed of parsedArray) {
         if (allContractClasses[parsed.type] === undefined) return;
         if (!this.chains[parsed.chain])
@@ -242,7 +253,7 @@ export class Store {
 
   loadAllTokens() {
     this.getJsonFiles(`${this.path}/tokens/`).forEach((jsonFile) => {
-      const parsedArray = JSON.parse(readFileSync(jsonFile, "utf8"));
+      const parsedArray = parseJsonFile(jsonFile);
       for (const parsed of parsedArray) {
         if (parsed.type !== Token.type) return;
 
@@ -256,7 +267,7 @@ export class Store {
 
   loadAllVaults() {
     this.getJsonFiles(`${this.path}/vaults/`).forEach((jsonFile) => {
-      const parsedArray = JSON.parse(readFileSync(jsonFile, "utf8"));
+      const parsedArray = parseJsonFile(jsonFile);
       for (const parsed of parsedArray) {
         if (parsed.type !== Vault.type) return;