From a5c3b3fa2c92c690bd110b7de9b770124e580154 Mon Sep 17 00:00:00 2001
From: aciddude <aciddude@users.noreply.github.com>
Date: Sun, 9 Sep 2018 22:28:47 +0100
Subject: [PATCH] Added NeoScrypt (#158)

* added neoscrypt

* Update algoProperties.js

* Update jobManager.js
---
 lib/algoProperties.js |  9 +++++++++
 lib/jobManager.js     | 15 ++++++---------
 2 files changed, 15 insertions(+), 9 deletions(-)

diff --git a/lib/algoProperties.js b/lib/algoProperties.js
index ddb0920..b7bbebe 100644
--- a/lib/algoProperties.js
+++ b/lib/algoProperties.js
@@ -73,6 +73,7 @@ var algos = module.exports = global.algos = {
             }
         }
     },
+
     sha1: {
         hash: function(){
             return function(){
@@ -145,6 +146,14 @@ var algos = module.exports = global.algos = {
             }
         }
     },
+    neoscrypt: {
+        multiplier: Math.pow(2, 5),
+        hash: function(){
+            return function(){
+                return multiHashing.neoscrypt.apply(this, arguments);
+            }
+        }
+    },
     skein: {
         hash: function(){
             return function(){
diff --git a/lib/jobManager.js b/lib/jobManager.js
index cbcfc48..a66048c 100644
--- a/lib/jobManager.js
+++ b/lib/jobManager.js
@@ -69,7 +69,6 @@ var JobManager = module.exports = function JobManager(options){
     var coinbaseHasher = (function(){
         switch(options.coin.algorithm){
             case 'keccak':
-            case 'blake':
             case 'fugue':
             case 'groestl':
                 if (options.coin.normalHashing === true)
@@ -90,12 +89,6 @@ var JobManager = module.exports = function JobManager(options){
                         return util.reverseBuffer(hashDigest.apply(this, arguments));
                     };
                 }
-            case 'scrypt-og':
-                if (options.coin.reward === 'POS') {
-                    return function (d) {
-                        return util.reverseBuffer(hashDigest.apply(this, arguments));
-                    };
-                }
             case 'scrypt-jane':
                 if (options.coin.reward === 'POS') {
                     return function (d) {
@@ -103,7 +96,6 @@ var JobManager = module.exports = function JobManager(options){
                     };
                 }
             case 'scrypt-n':
-            case 'sha1':
                 return function (d) {
                     return util.reverseBuffer(util.sha256d(d));
                 };
@@ -236,7 +228,12 @@ var JobManager = module.exports = function JobManager(options){
         //Check if share is a block candidate (matched network difficulty)
         if (job.target.ge(headerBigNum)){
             blockHex = job.serializeBlock(headerBuffer, coinbaseBuffer).toString('hex');
-            blockHash = blockHasher(headerBuffer, nTime).toString('hex');
+            if (options.coin.algorithm === 'blake' || options.coin.algorithm === 'neoscrypt') {                
+                blockHash = util.reverseBuffer(util.sha256d(headerBuffer, nTime)).toString('hex');
+            }
+            else {
+            	blockHash = blockHasher(headerBuffer, nTime).toString('hex');
+            }
         }
         else {
             if (options.emitInvalidBlockHashes)