From 66fb793ab99fc83c6241397bf1fbc8c3c3ecc848 Mon Sep 17 00:00:00 2001
From: Aoi Emerauda <Aaoi@emerauda.com>
Date: Fri, 8 Nov 2024 02:02:31 +0900
Subject: [PATCH] bugfix: "Cannot convert undefined to a BigInt error" Update
 default difficulty value in JobManager constructor

---
 lib/jobManager.js | 8 +++++++-
 package.json      | 2 +-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/lib/jobManager.js b/lib/jobManager.js
index 7c438b73..b3ae2da9 100644
--- a/lib/jobManager.js
+++ b/lib/jobManager.js
@@ -252,7 +252,13 @@ var JobManager = module.exports = function JobManager(options) {
             return shareError([24, `Algorithm properties not found for ${algorithm}`]);
         }
     
-        var diff1 = BigInt(algoProps.diff) || BigInt('0x00000000ffff0000000000000000000000000000000000000000000000000000');
+        var diff1;
+        try {
+            // Ensure algoProps.diff is defined; if not, set a default value
+            diff1 = BigInt(algoProps.diff || '0x00000000ffff0000000000000000000000000000000000000000000000000000');
+        } catch (e) {
+            return shareError([25, 'Cannot convert diff to BigInt: ' + e.message]);
+        }
         var multiplier = algoProps.multiplier || 1;
     
         var shareDiff = Number(diff1) / Number(headerBigNum) * multiplier;
diff --git a/package.json b/package.json
index 07920f2b..8161c2ee 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "stratum-pool",
-    "version": "0.2.6",
+    "version": "0.2.7",
     "description": "High performance Stratum poolserver in Node.js",
     "keywords": [
         "stratum",