Pool updated for DeroKnight algo to support both ASIC and GPU mining.

lib/pool.js

@@ -124,12 +124,10 @@ function BlockTemplate(template){
     this.difficulty = template.difficulty;
     this.height = template.height;
     this.epoch = template.epoch;
-    this.reserveOffset =template.reserved_offset; //in the getwork
-
-
+    this.reserveOffset =template.reserved_offset + 1; //in the getwork
     this.hashingbuffer = new Buffer(this.blockhashingblob, 'hex');
-    instanceId.copy(this.hashingbuffer, this.reserveOffset + 4, 0, 3);
-        
+    instanceId.copy(this.hashingbuffer, this.reserveOffset + 8, 0, 4);
+
 //    instanceId.copy(this.buffer, this.reserveOffset + 4, 0, 3);
 //    this.previous_hash = new Buffer(32);
 //    this.buffer.copy(this.previous_hash,0,7,39);
@@ -137,13 +135,27 @@ function BlockTemplate(template){
 }
 BlockTemplate.prototype = {
     nextBlob: function(){
-        this.hashingbuffer.writeUInt32BE(++this.extraNonce, this.reserveOffset);
+
+        // make sure extra nonce  is aligned as it should be,
+        buf1 = Buffer.allocUnsafe(32);
+        for (;;) {
+            this.extraNonce++;
+        this.hashingbuffer.writeUInt32BE(this.extraNonce, this.reserveOffset+4);
+        this.hashingbuffer.copy(buf1,0,this.reserveOffset, this.reserveOffset+32); // copy 32 bytes
+        var dividend = bignum.fromBuffer(buf1);
+        var remainder = dividend.mod(101);
+        if (remainder == 0) {
+                break;
+         }
+
+        }
+
+        this.hashingbuffer.writeUInt32BE(this.extraNonce, this.reserveOffset+4);
         return this.hashingbuffer.toString('hex');
     }
 };
 
 
-
 function getBlockTemplate(callback){
     apiInterfaces.rpcDaemon('getblocktemplate', {reserve_size: 8, wallet_address: config.poolServer.poolAddress}, callback);
 }
@@ -480,12 +492,14 @@ function processShare(miner, job, blockTemplate, nonce, resultHash){
     //    template.writeUInt32BE(job.extraNonce, blockTemplate.reserveOffset);
 
     //instanceId.copy(template, blockTemplate.reserveOffset + 4, 0, 3); // copy instance ID
-    template.writeUInt32BE(job.extraNonce, blockTemplate.reserveOffset); // set extra nonce
+    template.writeUInt32BE(job.extraNonce, blockTemplate.reserveOffset+4); // set extra nonce
 
 
     nonce_buf = new Buffer(nonce, 'hex');
     nonce_buf.copy(template, 39 , 0, 4);
 
+    nonce =  nonce_buf.readUInt32LE(0);
+
      //var shareBuffer = cnUtil.construct_block_blob(template, new Buffer(nonce, 'hex'));
     shareBuffer = template
 
@@ -494,6 +508,12 @@ function processShare(miner, job, blockTemplate, nonce, resultHash){
     var hash;
     var shareType;
 
+    if ( nonce % 101 != 0){
+        //log('error', logSystem, 'nonce %d not divisible by 101',[nonce] );
+        log('warn', logSystem, 'Bad hash from miner %s@%s', [miner.login, miner.ip]);
+        return false;
+    }
+
     if (shareTrustEnabled && miner.trust.threshold <= 0 && miner.trust.penalty <= 0 && Math.random() > miner.trust.probability){
         hash = new Buffer(resultHash, 'hex');
         shareType = 'trusted';