From 6728e25672e7454b0dc802de4f8af00d538164e4 Mon Sep 17 00:00:00 2001
From: Aoi Emerauda <mail@mofumofu.me>
Date: Sun, 15 Dec 2024 08:00:03 +0900
Subject: [PATCH 1/2] Simplify ExtraNonceCounter in jobManager.js and refactor
 hashing method for VIPSTAR algorithm in algoProperties.js

---
 lib/algoProperties.js |  2 +-
 lib/jobManager.js     | 20 ++------------------
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/lib/algoProperties.js b/lib/algoProperties.js
index 4e3f65c1..d28c5f87 100644
--- a/lib/algoProperties.js
+++ b/lib/algoProperties.js
@@ -427,7 +427,7 @@ var algos = module.exports = global.algos = {
     'vipstar': {
         hash: function () {
             return function () {
-                return multiHashing.sha256d.apply(this, arguments);
+                return multiHashing.vipstar.apply(this, arguments);
             }
         }
     }
diff --git a/lib/jobManager.js b/lib/jobManager.js
index 90bbadb4..b615b93d 100644
--- a/lib/jobManager.js
+++ b/lib/jobManager.js
@@ -7,15 +7,10 @@ var blockTemplate = require('./blockTemplate.js');
 // Unique extranonce per subscriber
 var ExtraNonceCounter = function (configInstanceId) {
     var instanceId = configInstanceId || crypto.randomBytes(4).readUInt32LE(0);
-    var counter = BigInt(instanceId) << BigInt(27);
+    var counter = instanceId << 27;
 
     this.next = function () {
-        counter++;
-        // Ensure counter is within a safe range
-        if (counter > BigInt('0xFFFFFFFF')) {
-            counter = BigInt(instanceId) << BigInt(27);
-        }
-        var extraNonce = util.packUInt32BE(Number(counter & BigInt('0xFFFFFFFF')));
+        var extraNonce = util.packUInt32BE(Math.abs(counter++));
         return extraNonce.toString('hex');
     };
 
@@ -48,16 +43,12 @@ var JobManager = module.exports = function JobManager(options) {
     var jobCounter = new JobCounter();
     var emitErrorLog = function (text) { _this.emit('log', 'error', text); };
 
-    // Initialize extranonce counter
     this.extraNonceCounter = new ExtraNonceCounter(options.instanceId);
     this.extraNoncePlaceholder = Buffer.from('f000000ff111111f', 'hex');
     this.extraNonce2Size = this.extraNoncePlaceholder.length - this.extraNonceCounter.size;
     this.currentJob;
     this.validJobs = {};
 
-    // Initialize shareMultiplier, with a default value if not provided
-    this.shareMultiplier = options.shareMultiplier || 1;
-
     var hashDigest = algos[options.coin.algorithm].hash(options.coin);
 
     var coinbaseHasher = (function () {
@@ -264,13 +255,6 @@ var JobManager = module.exports = function JobManager(options) {
             return shareError([24, `Algorithm properties not found for ${algorithm}`]);
         }
 
-        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;

From 9ab64d6fe8df3e25ae7c81ff4900c646298d9728 Mon Sep 17 00:00:00 2001
From: Aoi Emerauda <mail@mofumofu.me>
Date: Sun, 15 Dec 2024 08:03:29 +0900
Subject: [PATCH 2/2] Update package.json to version 0.2.9 and modify
 dependencies for improved compatibility

---
 package.json | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/package.json b/package.json
index e46c7587..f508e056 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "stratum-pool",
-    "version": "0.2.8",
+    "version": "0.2.9",
     "description": "High performance Stratum poolserver in Node.js",
     "keywords": [
         "stratum",
@@ -33,9 +33,9 @@
         "url": "https://github.com/ROZ-MOFUMOFU-ME/node-stratum-pool.git"
     },
     "dependencies": {
-        "@exodus/bitcoinjs-lib-zcash": "^0.0.13",
+        "@exodus/bitcoinjs-lib-zcash": "^0.0.14",
         "async": "^3.2.6",
-        "bitcoinjs-lib": "^7.0.0-rc.0",
+        "bitcoinjs-lib": "^6.1.7",
         "multi-hashing": "git+https://github.com/ROZ-MOFUMOFU-ME/node-multi-hashing.git"
     },
     "engines": {