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Added random or configurable instance ID

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This commit is contained in:
Matt 2014-02-19 15:53:36 -07:00
parent 90bdc9a250
commit 96cfc412a8
1 changed files with 8 additions and 8 deletions
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16
lib/jobManager.js
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@ -1,4 +1,5 @@
var events = require('events'); var events = require('events');
var crypto = require('crypto');
var bignum = require('bignum'); var bignum = require('bignum');
@ -14,18 +15,17 @@ var blockTemplate = require('./blockTemplate.js');
//Unique extranonce per subscriber //Unique extranonce per subscriber
var ExtraNonceCounter = function(){ var ExtraNonceCounter = function(configInstanceId){
var instanceId = 31;
var instanceId = configInstanceId || crypto.randomBytes(4).readUInt32LE(0);
var counter = instanceId << 27; var counter = instanceId << 27;
var size = util.packUInt32BE(counter).length;
this.next = function(){ this.next = function(){
var extraNonce = util.packUInt32BE(counter++); var extraNonce = util.packUInt32BE(Math.abs(counter++));
return extraNonce.toString('hex'); return extraNonce.toString('hex');
}; };
this.size = function(){
return size; this.size = 4; //bytes
};
}; };
//Unique job per new block template //Unique job per new block template
@ -126,7 +126,7 @@ var JobManager = module.exports = function JobManager(options){
//public members //public members
this.extraNonceCounter = new ExtraNonceCounter(); this.extraNonceCounter = new ExtraNonceCounter(options.instanceId);
this.extraNoncePlaceholder = new Buffer('f000000ff111111f', 'hex'); this.extraNoncePlaceholder = new Buffer('f000000ff111111f', 'hex');
this.extraNonce2Size = this.extraNoncePlaceholder.length - this.extraNonceCounter.size(); this.extraNonce2Size = this.extraNoncePlaceholder.length - this.extraNonceCounter.size();