resolve some bugs

lib/blockTemplate.js

@@ -126,7 +126,7 @@ var BlockTemplate = module.exports = function BlockTemplate(jobId, rpcData, pool
             var b = JSONbig.stringify(rpcData.b);
             this.jobParams = [
                 this.jobId,
-                "",//this.prevHashReversed,
+                this.rpcData.height,//this.prevHashReversed,
                 this.rpcData.msg,// this.generationTransaction[0].toString('hex'),
                 "",// this.generationTransaction[1].toString('hex'),
                 "",// this.merkleBranch,

lib/jobManager.js

@@ -2,9 +2,13 @@ var events = require('events');
 var crypto = require('crypto');
 var blake2 = require('blake2');
 var bignum = require('bignum');
+var uint64be = require('uint64be')
+
+// var BigInt = require('bigint-buffer/helper/bigint');
 const BigIntBuffer = require('bigint-buffer');
 
 const N = BigInt(Math.pow(2, 26));
+const M = Buffer.concat(Array(1024).fill().map((_, i) => uint64be.encode(i)));
 
 
 var util = require('./util.js');
@@ -193,8 +197,6 @@ var JobManager = module.exports = function JobManager(options){
             return {error: error, result: null};
         };
 
-        var submitTime = Date.now() / 1000 | 0;
-
         if (extraNonce2.length / 2 !== _this.extraNonce2Size)
             return shareError([20, 'incorrect size of extranonce2']);
 
@@ -228,16 +230,18 @@ var JobManager = module.exports = function JobManager(options){
 
         var coinbaseBuffer = job.serializeCoinbase(extraNonce1Buffer, extraNonce2Buffer);
         var h = BigIntBuffer.toBufferBE(BigInt(job.rpcData.height), 8);
-        var i = BigIntBuffer.toBigIntBE(blake2b(coinbaseBuffer).slice(0, 8)) % N;
+        var i = BigIntBuffer.toBufferBE(BigIntBuffer.toBigIntBE(blake2b(coinbaseBuffer).slice(24, 32)) % N, 4);
         var e = blake2b(Buffer.concat([
-            BigIntBuffer.toBufferBE(i, 8),
-            h
-        ])).slice(0, 31);
-        var J = genIndexes(Buffer.concat([e, coinbaseBuffer]));
-        var f = J.map(item => BigIntBuffer.toBigIntBE(blake2b(Buffer.concat([
-            BigIntBuffer.toBufferBE(BigInt(item), 8),
-            h
-        ])).slice(0, 31))).reduce((a, b) => a + b);
+            i,
+            h,
+            M
+        ])).slice(1, 32);
+        var J = genIndexes(Buffer.concat([e, coinbaseBuffer])).map(item=>BigIntBuffer.toBufferBE(BigInt(item), 4));
+        var f = J.map(item => BigIntBuffer.toBigIntBE(
+            blake2b(
+                Buffer.concat([item, h, M])
+            ).slice(1, 32)
+        )).reduce((a, b) => a + b);
 
         var fh = BigIntBuffer.toBigIntBE(blake2b(BigIntBuffer.toBufferBE(f, 32)));
         // var coinbaseHash = coinbaseHasher(coinbaseBuffer);

package.json

@@ -34,7 +34,8 @@
         "bignum": "0.13.1",
         "blake2": "^4.0.2",
         "json-bigint": "^1.0.0",
-        "multi-hashing": "git://github.com/zone117x/node-multi-hashing.git"
+        "multi-hashing": "git://github.com/zone117x/node-multi-hashing.git",
+        "uint64be": "^3.0.0"
     },
     "engines": {
         "node": ">=0.10"

start.js

@@ -188,4 +188,6 @@ pool.on('log', function(severity, logKey, logText){
     console.log(severity + ': ' + '[' + logKey + '] ' + logText);
 });
 
+var uint64be = require('uint64be')
+
 pool.start();