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proxy.js
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"use strict";
const cluster = require('cluster');
const net = require('net');
const tls = require('tls');
const http = require('http');
const moment = require('moment');
const fs = require('fs');
const async = require('async');
const uuidV4 = require('uuid/v4');
const support = require('./lib/support.js')();
global.config = require('./config.json');
const PROXY_VERSION = "0.13.0";
const DEFAULT_ALGO = [ "cn/r" ];
const DEFAULT_ALGO_PERF = { "cn": 1, "cn/half": 1.9, "cn/rwz": 1.3, "cn/zls": 1.3, "cn/double": 0.5 };
/*
General file design/where to find things.
Internal Variables
IPC Registry
Combined Functions
Pool Definition
Master Functions
Miner Definition
Slave Functions
API Calls (Master-Only)
System Init
*/
let debug = {
pool: require('debug')('pool'),
diff: require('debug')('diff'),
blocks: require('debug')('blocks'),
shares: require('debug')('shares'),
miners: require('debug')('miners'),
workers: require('debug')('workers'),
balancer: require('debug')('balancer'),
misc: require('debug')('misc')
};
global.threadName = '';
let nonceCheck = new RegExp("^[0-9a-f]{8}$");
let activePorts = [];
let httpResponse = ' 200 OK\nContent-Type: text/plain\nContent-Length: 19\n\nMining Proxy Online';
let activeMiners = {};
let activeCoins = {};
let bans = {};
let activePools = {};
let activeWorkers = {};
let defaultPools = {};
let accessControl = {};
let lastAccessControlLoadTime = null;
let masterStats = {shares: 0, blocks: 0, hashes: 0};
// IPC Registry
function masterMessageHandler(worker, message, handle) {
if (typeof message !== 'undefined' && 'type' in message){
switch (message.type) {
case 'blockFind':
case 'shareFind':
if (message.host in activePools){
activePools[message.host].sendShare(worker, message.data);
}
break;
case 'needPoolState':
worker.send({
type: 'poolState',
data: Object.keys(activePools)
});
for (let hostname in activePools){
if (activePools.hasOwnProperty(hostname)){
if (!is_active_pool(hostname)) continue;
let pool = activePools[hostname];
worker.send({
host: hostname,
type: 'newBlockTemplate',
data: pool.coinFuncs.getMasterJob(pool, worker.id)
});
}
}
break;
case 'workerStats':
activeWorkers[worker.id][message.minerID] = message.data;
break;
}
}
}
function slaveMessageHandler(message) {
switch (message.type) {
case 'newBlockTemplate':
if (message.host in activePools){
if(activePools[message.host].activeBlocktemplate){
debug.workers(`Received a new block template for ${message.host} and have one in cache. Storing`);
activePools[message.host].pastBlockTemplates.enq(activePools[message.host].activeBlocktemplate);
} else {
debug.workers(`Received a new block template for ${message.host} do not have one in cache.`);
}
activePools[message.host].activeBlocktemplate = new activePools[message.host].coinFuncs.BlockTemplate(message.data);
for (let miner in activeMiners){
if (activeMiners.hasOwnProperty(miner)){
let realMiner = activeMiners[miner];
if (realMiner.pool === message.host){
realMiner.messageSender('job', realMiner.getJob(realMiner, activePools[message.host].activeBlocktemplate));
}
}
}
}
break;
case 'poolState':
message.data.forEach(function(hostname){
if(!(hostname in activePools)){
global.config.pools.forEach(function(poolData){
if (!poolData.coin) poolData.coin = "xmr";
if (hostname === poolData.hostname){
activePools[hostname] = new Pool(poolData);
}
});
}
});
break;
case 'changePool':
if (activeMiners.hasOwnProperty(message.worker) && activePools.hasOwnProperty(message.pool)){
activeMiners[message.worker].pool = message.pool;
activeMiners[message.worker].messageSender('job',
activeMiners[message.worker].getJob(activeMiners[message.worker], activePools[message.pool].activeBlocktemplate, true));
}
break;
case 'disablePool':
if (activePools.hasOwnProperty(message.pool)){
activePools[message.pool].active = false;
checkActivePools();
}
break;
case 'enablePool':
if (activePools.hasOwnProperty(message.pool)){
activePools[message.pool].active = true;
process.send({type: 'needPoolState'});
}
break;
}
}
// Combined Functions
function readConfig() {
let local_conf = JSON.parse(fs.readFileSync('config.json'));
if (typeof global.config === 'undefined') {
global.config = {};
}
for (let key in local_conf) {
if (local_conf.hasOwnProperty(key) && (typeof global.config[key] === 'undefined' || global.config[key] !== local_conf[key])) {
global.config[key] = local_conf[key];
}
}
if (!cluster.isMaster) {
activatePorts();
}
}
// Pool Definition
function Pool(poolData){
/*
Pool data is the following:
{
"hostname": "pool.supportxmr.com",
"port": 7777,
"ssl": false,
"share": 80,
"username": "",
"password": "",
"keepAlive": true,
"coin": "xmr"
}
Client Data format:
{
"method":"submit",
"params":{
"id":"12e168f2-db42-4eea-b56a-f1e7d57f94c9",
"job_id":"/4FIQEI/Qq++EzzH1e03oTrWF5Ed",
"nonce":"9e008000",
"result":"4eee0b966418fdc3ec1a684322715e65765554f11ff8f7fed3f75ac45ef20300"
},
"id":1
}
*/
this.hostname = poolData.hostname;
this.port = poolData.port;
this.ssl = poolData.ssl;
this.share = poolData.share;
this.username = poolData.username;
this.password = poolData.password;
this.keepAlive = poolData.keepAlive;
this.default = poolData.default;
this.devPool = poolData.hasOwnProperty('devPool') && poolData.devPool === true;
this.coin = poolData.coin;
this.pastBlockTemplates = support.circularBuffer(4);
this.coinFuncs = require(`./lib/${this.coin}.js`)();
this.activeBlocktemplate = null;
this.active = true;
this.sendId = 1;
this.sendLog = {};
this.poolJobs = {};
this.socket = null;
this.allowSelfSignedSSL = true;
// Partial checks for people whom havn't upgraded yet
if (poolData.hasOwnProperty('allowSelfSignedSSL')){
this.allowSelfSignedSSL = !poolData.allowSelfSignedSSL;
}
const algo_arr = poolData.algo ? (poolData.algo instanceof Array ? poolData.algo : [poolData.algo]) : DEFAULT_ALGO;
this.default_algo_set = {};
this.algos = {};
for (let i in algo_arr) this.algos[algo_arr[i]] = this.default_algo_set[algo_arr[i]] = 1;
this.algos_perf = DEFAULT_ALGO_PERF;
this.blob_type = poolData.blob_type;
setInterval(function(pool) {
if (pool.keepAlive && pool.socket && is_active_pool(pool.hostname)) pool.sendData('keepalived');
}, 30000, this);
this.close_socket = function(){
try {
if (this.socket !== null){
this.socket.end();
this.socket.destroy();
}
} catch (e) {
console.warn(global.threadName + "Had issues murdering the old socket. Om nom: " + e)
}
this.socket = null;
};
this.disable = function(){
for (let worker in cluster.workers){
if (cluster.workers.hasOwnProperty(worker)){
cluster.workers[worker].send({type: 'disablePool', pool: this.hostname});
}
}
this.active = false;
this.close_socket();
};
this.connect = function(hostname){
function connect2(pool) {
pool.close_socket();
if (pool.ssl){
pool.socket = tls.connect(pool.port, pool.hostname, {rejectUnauthorized: pool.allowSelfSignedSSL})
.on('connect', () => { poolSocket(pool.hostname); })
.on('error', (err) => {
setTimeout(connect2, 30*1000, pool);
console.warn(`${global.threadName}SSL pool socket connect error from ${pool.hostname}: ${err}`);
});
} else {
pool.socket = net.connect(pool.port, pool.hostname)
.on('connect', () => { poolSocket(pool.hostname); })
.on('error', (err) => {
setTimeout(connect2, 30*1000, pool);
console.warn(`${global.threadName}Plain pool socket connect error from ${pool.hostname}: ${err}`);
});
}
}
let pool = activePools[hostname];
pool.disable();
connect2(pool);
};
this.sendData = function (method, params) {
if (typeof params === 'undefined'){
params = {};
}
let rawSend = {
method: method,
id: this.sendId++,
};
if (typeof this.id !== 'undefined'){
params.id = this.id;
}
rawSend.params = params;
if (this.socket === null || !this.socket.writable){
return false;
}
this.socket.write(JSON.stringify(rawSend) + '\n');
this.sendLog[rawSend.id] = rawSend;
debug.pool(`Sent ${JSON.stringify(rawSend)} to ${this.hostname}`);
};
this.login = function () {
this.sendData('login', {
login: this.username,
pass: this.password,
agent: 'xmr-node-proxy/' + PROXY_VERSION,
"algo": Object.keys(this.algos),
"algo-perf": this.algos_perf
});
this.active = true;
for (let worker in cluster.workers){
if (cluster.workers.hasOwnProperty(worker)){
cluster.workers[worker].send({type: 'enablePool', pool: this.hostname});
}
}
};
this.update_algo_perf = function (algos, algos_perf) {
// do not update not changed algo/algo-perf
const prev_algos = this.algos;
const prev_algos_perf = this.algos_perf;
const prev_algos_str = JSON.stringify(Object.keys(prev_algos));
const prev_algos_perf_str = JSON.stringify(prev_algos_perf);
const algos_str = JSON.stringify(Object.keys(algos));
const algos_perf_str = JSON.stringify(algos_perf);
if ( algos_str === prev_algos_str && algos_perf_str === prev_algos_perf_str) return;
const curr_time = Date.now();
if (!this.last_common_algo_notify_time || curr_time - this.last_common_algo_notify_time > 5*60*1000 || algos_str !== prev_algos_str) {
console.log("Setting common algo: " + algos_str + " with algo-perf: " + algos_perf_str + " for pool " + this.hostname);
this.last_common_algo_notify_time = curr_time;
}
this.sendData('getjob', {
"algo": Object.keys(this.algos = algos),
"algo-perf": (this.algos_perf = algos_perf)
});
};
this.sendShare = function (worker, shareData) {
//btID - Block template ID in the poolJobs circ buffer.
let job = this.poolJobs[worker.id].toarray().filter(function (job) {
return job.id === shareData.btID;
})[0];
if (job){
this.sendData('submit', {
job_id: job.masterJobID,
nonce: shareData.nonce,
result: shareData.resultHash,
workerNonce: shareData.workerNonce,
poolNonce: job.poolNonce
});
}
};
}
// Master Functions
/*
The master performs the following tasks:
1. Serve all API calls.
2. Distribute appropriately modified block template bases to all pool servers.
3. Handle all to/from the various pool servers.
4. Manage and suggest miner changes in order to achieve correct h/s balancing between the various systems.
*/
function connectPools(){
global.config.pools.forEach(function (poolData) {
if (!poolData.coin) poolData.coin = "xmr";
if (activePools.hasOwnProperty(poolData.hostname)){
return;
}
activePools[poolData.hostname] = new Pool(poolData);
activePools[poolData.hostname].connect(poolData.hostname);
});
let seen_coins = {};
if (global.config.developerShare > 0){
for (let pool in activePools){
if (activePools.hasOwnProperty(pool)){
if (seen_coins.hasOwnProperty(activePools[pool].coin)){
return;
}
let devPool = activePools[pool].coinFuncs.devPool;
if (activePools.hasOwnProperty(devPool.hostname)){
return;
}
activePools[devPool.hostname] = new Pool(devPool);
activePools[devPool.hostname].connect(devPool.hostname);
seen_coins[activePools[pool].coin] = true;
}
}
}
for (let coin in seen_coins){
if (seen_coins.hasOwnProperty(coin)){
activeCoins[coin] = true;
}
}
}
let poolStates = {};
function balanceWorkers(){
/*
This function deals with handling how the pool deals with getting traffic balanced to the various pools.
Step 1: Enumerate all workers (Child servers), and their miners/coins into known states
Step 1: Enumerate all miners, move their H/S into a known state tagged to the coins and pools
Step 2: Enumerate all pools, verify the percentages as fractions of 100.
Step 3: Determine if we're sharing with the developers (Woohoo! You're the best if you do!)
Step 4: Process the state information to determine splits/moves.
Step 5: Notify child processes of other pools to send traffic to if needed.
The Master, as the known state holder of all information, deals with handling this data.
*/
let minerStates = {};
poolStates = {};
for (let poolName in activePools){
if (activePools.hasOwnProperty(poolName)){
let pool = activePools[poolName];
if (!poolStates.hasOwnProperty(pool.coin)){
poolStates[pool.coin] = { 'totalPercentage': 0, 'activePoolCount': 0, 'devPool': false};
}
poolStates[pool.coin][poolName] = {
miners: {},
hashrate: 0,
percentage: pool.share,
devPool: pool.devPool,
idealRate: 0
};
if(pool.devPool){
poolStates[pool.coin].devPool = poolName;
debug.balancer(`Found a developer pool enabled. Pool is: ${poolName}`);
} else if (is_active_pool(poolName)) {
poolStates[pool.coin].totalPercentage += pool.share;
++ poolStates[pool.coin].activePoolCount;
} else {
console.error(`${global.threadName}Pool ${poolName} is disabled due to issues with it`);
}
if (!minerStates.hasOwnProperty(pool.coin)){
minerStates[pool.coin] = {
hashrate: 0
};
}
}
}
/*
poolStates now contains an object that looks approximately like:
poolStates = {
'xmr':
{
'mine.xmrpool.net': {
'miners': {},
'hashrate': 0,
'percentage': 20,
'devPool': false,
'amtChange': 0
},
'donations.xmrpool.net': {
'miners': {},
'hashrate': 0,
'percentage': 0,
'devPool': true,
'amtChange': 0
},
'devPool': 'donations.xmrpool.net',
'totalPercentage': 20
}
}
*/
for (let coin in poolStates){
if(poolStates.hasOwnProperty(coin)){
if (poolStates[coin].totalPercentage !== 100){
debug.balancer(`Pools on ${coin} are using ${poolStates[coin].totalPercentage}% balance. Adjusting.`);
// Need to adjust all the pools that aren't the dev pool.
if (poolStates[coin].totalPercentage) {
let percentModifier = 100 / poolStates[coin].totalPercentage;
for (let pool in poolStates[coin]){
if (poolStates[coin].hasOwnProperty(pool) && activePools.hasOwnProperty(pool)){
if (poolStates[coin][pool].devPool || !is_active_pool(pool)) continue;
poolStates[coin][pool].percentage *= percentModifier;
}
}
} else if (poolStates[coin].activePoolCount) {
let addModifier = 100 / poolStates[coin].activePoolCount;
for (let pool in poolStates[coin]){
if (poolStates[coin].hasOwnProperty(pool) && activePools.hasOwnProperty(pool)){
if (poolStates[coin][pool].devPool || !is_active_pool(pool)) continue;
poolStates[coin][pool].percentage += addModifier;
}
}
} else {
debug.balancer(`No active pools for ${coin} coin, so waiting for the next cycle.`);
continue;
}
}
delete(poolStates[coin].totalPercentage);
delete(poolStates[coin].activePoolCount);
}
}
/*
poolStates now contains an object that looks approximately like:
poolStates = {
'xmr':
{
'mine.xmrpool.net': {
'miners': {},
'hashrate': 0,
'percentage': 100,
'devPool': false
},
'donations.xmrpool.net': {
'miners': {},
'hashrate': 0,
'percentage': 0,
'devPool': true
},
'devPool': 'donations.xmrpool.net',
}
}
*/
for (let workerID in activeWorkers){
if (activeWorkers.hasOwnProperty(workerID)){
for (let minerID in activeWorkers[workerID]){
if (activeWorkers[workerID].hasOwnProperty(minerID)){
let miner = activeWorkers[workerID][minerID];
try {
let minerCoin = miner.coin;
if (!minerStates.hasOwnProperty(minerCoin)){
minerStates[minerCoin] = {
hashrate: 0
};
}
minerStates[minerCoin].hashrate += miner.avgSpeed;
poolStates[minerCoin][miner.pool].hashrate += miner.avgSpeed;
poolStates[minerCoin][miner.pool].miners[`${workerID}_${minerID}`] = miner.avgSpeed;
} catch (err) {}
}
}
}
}
/*
poolStates now contains the hashrate per pool. This can be compared against minerStates/hashRate to determine
the approximate hashrate that should be moved between pools once the general hashes/second per pool/worker
is determined.
*/
for (let coin in poolStates){
if (poolStates.hasOwnProperty(coin) && minerStates.hasOwnProperty(coin)){
let coinMiners = minerStates[coin];
let coinPools = poolStates[coin];
let devPool = coinPools.devPool;
let highPools = {};
let lowPools = {};
delete(coinPools.devPool);
if (devPool){
let devHashrate = Math.floor(coinMiners.hashrate * (global.config.developerShare/100));
coinMiners.hashrate -= devHashrate;
coinPools[devPool].idealRate = devHashrate;
debug.balancer(`DevPool on ${coin} is enabled. Set to ${global.config.developerShare}% and ideally would have ${coinPools[devPool].idealRate}. Currently has ${coinPools[devPool].hashrate}`);
if (is_active_pool(devPool) && coinPools[devPool].idealRate > coinPools[devPool].hashrate){
lowPools[devPool] = coinPools[devPool].idealRate - coinPools[devPool].hashrate;
debug.balancer(`Pool ${devPool} is running a low hashrate compared to ideal. Want to increase by: ${lowPools[devPool]} h/s`);
} else if (!is_active_pool(devPool) || coinPools[devPool].idealRate < coinPools[devPool].hashrate){
highPools[devPool] = coinPools[devPool].hashrate - coinPools[devPool].idealRate;
debug.balancer(`Pool ${devPool} is running a high hashrate compared to ideal. Want to decrease by: ${highPools[devPool]} h/s`);
}
}
for (let pool in coinPools){
if (coinPools.hasOwnProperty(pool) && pool !== devPool && activePools.hasOwnProperty(pool)){
coinPools[pool].idealRate = Math.floor(coinMiners.hashrate * (coinPools[pool].percentage/100));
if (is_active_pool(pool) && coinPools[pool].idealRate > coinPools[pool].hashrate){
lowPools[pool] = coinPools[pool].idealRate - coinPools[pool].hashrate;
debug.balancer(`Pool ${pool} is running a low hashrate compared to ideal. Want to increase by: ${lowPools[pool]} h/s`);
} else if (!is_active_pool(pool) || coinPools[pool].idealRate < coinPools[pool].hashrate){
highPools[pool] = coinPools[pool].hashrate - coinPools[pool].idealRate;
debug.balancer(`Pool ${pool} is running a high hashrate compared to ideal. Want to decrease by: ${highPools[pool]} h/s`);
}
//activePools[pool].share = coinPools[pool].percentage;
}
}
if (Object.keys(highPools).length === 0 && Object.keys(lowPools).length === 0){
debug.balancer(`No high or low ${coin} coin pools, so waiting for the next cycle.`);
continue;
}
let freed_miners = {};
if (Object.keys(highPools).length > 0){
for (let pool in highPools){
if (highPools.hasOwnProperty(pool)){
for (let miner in coinPools[pool].miners){
if (coinPools[pool].miners.hasOwnProperty(miner)){
if ((!is_active_pool(pool) || coinPools[pool].miners[miner] <= highPools[pool]) && coinPools[pool].miners[miner] !== 0){
highPools[pool] -= coinPools[pool].miners[miner];
freed_miners[miner] = coinPools[pool].miners[miner];
debug.balancer(`Freeing up ${miner} on ${pool} for ${freed_miners[miner]} h/s`);
delete(coinPools[pool].miners[miner]);
}
}
}
}
}
}
let minerChanges = {};
if (Object.keys(lowPools).length > 0){
for (let pool in lowPools){
if (lowPools.hasOwnProperty(pool)){
minerChanges[pool] = [];
// fit low pools without overflow
if (Object.keys(freed_miners).length > 0){
for (let miner in freed_miners){
if (freed_miners.hasOwnProperty(miner)){
if (freed_miners[miner] <= lowPools[pool]){
minerChanges[pool].push(miner);
lowPools[pool] -= freed_miners[miner];
debug.balancer(`Snagging up ${miner} for ${pool} for ${freed_miners[miner]} h/s`);
delete(freed_miners[miner]);
}
}
}
}
if(lowPools[pool] > 100){
for (let donatorPool in coinPools){
if(coinPools.hasOwnProperty(donatorPool) && !lowPools.hasOwnProperty(donatorPool)){
for (let miner in coinPools[donatorPool].miners){
if (coinPools[donatorPool].miners.hasOwnProperty(miner)){
if (coinPools[donatorPool].miners[miner] <= lowPools[pool] && coinPools[donatorPool].miners[miner] !== 0){
minerChanges[pool].push(miner);
lowPools[pool] -= coinPools[donatorPool].miners[miner];
debug.balancer(`Moving ${miner} for ${pool} from ${donatorPool} for ${coinPools[donatorPool].miners[miner]} h/s`);
delete(coinPools[donatorPool].miners[miner]);
}
if (lowPools[pool] < 50){
break;
}
}
}
if (lowPools[pool] < 50){
break;
}
}
}
}
}
}
// fit low pools with overflow except devPool
if (Object.keys(freed_miners).length > 0){
for (let pool in lowPools){
if (lowPools.hasOwnProperty(pool) && pool !== devPool){
if (!(pool in minerChanges)) minerChanges[pool] = [];
for (let miner in freed_miners){
if (freed_miners.hasOwnProperty(miner)){
minerChanges[pool].push(miner);
lowPools[pool] -= freed_miners[miner];
debug.balancer(`Moving overflow ${miner} for ${pool} for ${freed_miners[miner]} h/s`);
delete(freed_miners[miner]);
}
}
}
}
}
}
for (let pool in minerChanges){
if(minerChanges.hasOwnProperty(pool) && minerChanges[pool].length > 0){
minerChanges[pool].forEach(function(miner){
let minerBits = miner.split('_');
cluster.workers[minerBits[0]].send({
type: 'changePool',
worker: minerBits[1],
pool: pool
});
});
}
}
}
}
}
function enumerateWorkerStats() {
let stats, global_stats = {miners: 0, hashes: 0, hashRate: 0, diff: 0};
let pool_algos = {};
let pool_algos_perf = {};
for (let poolID in activeWorkers){
if (activeWorkers.hasOwnProperty(poolID)){
stats = {
miners: 0,
hashes: 0,
hashRate: 0,
diff: 0
};
let inactivityDeadline = (typeof global.config.minerInactivityTime === 'undefined') ? Math.floor((Date.now())/1000) - 120
: (global.config.minerInactivityTime <= 0 ? 0 : Math.floor((Date.now())/1000) - global.config.minerInactivityTime);
for (let workerID in activeWorkers[poolID]){
if (activeWorkers[poolID].hasOwnProperty(workerID)) {
let workerData = activeWorkers[poolID][workerID];
if (typeof workerData !== 'undefined') {
try{
if (workerData.lastContact < inactivityDeadline){
delete activeWorkers[poolID][workerID];
continue;
}
++ stats.miners;
stats.hashes += workerData.hashes;
stats.hashRate += workerData.avgSpeed;
stats.diff += workerData.diff;
// process smart miners and assume all other miners to only support pool algo
let miner_algos = workerData.algos;
if (!miner_algos) miner_algos = activePools[workerData.pool].default_algo_set;
if (workerData.pool in pool_algos) { // compute union of miner_algos and pool_algos[workerData.pool]
for (let algo in pool_algos[workerData.pool]) {
if (!(algo in miner_algos)) delete pool_algos[workerData.pool][algo];
}
} else {
pool_algos[workerData.pool] = miner_algos;
pool_algos_perf[workerData.pool] = {};
}
if (workerData.algos_perf) { // only process smart miners and add algo_perf from all smart miners
for (let algo in workerData.algos_perf) {
if (algo in pool_algos_perf[workerData.pool]) pool_algos_perf[workerData.pool][algo] += workerData.algos_perf[algo];
else pool_algos_perf[workerData.pool][algo] = workerData.algos_perf[algo];
}
}
} catch (err) {
delete activeWorkers[poolID][workerID];
}
} else {
delete activeWorkers[poolID][workerID];
}
}
}
global_stats.miners += stats.miners;
global_stats.hashes += stats.hashes;
global_stats.hashRate += stats.hashRate;
global_stats.diff += stats.diff;
debug.workers(`Worker: ${poolID} currently has ${stats.miners} miners connected at ${stats.hashRate} h/s with an average diff of ${Math.floor(stats.diff/stats.miners)}`);
}
}
let pool_hs = "";
for (let coin in poolStates) {
if (!poolStates.hasOwnProperty(coin)) continue;
for (let pool in poolStates[coin] ){
if (!poolStates[coin].hasOwnProperty(pool) || !activePools.hasOwnProperty(pool) || poolStates[coin][pool].devPool || poolStates[coin][pool].hashrate === 0) continue;
if (pool_hs != "") pool_hs += ", ";
pool_hs += `${pool}/${poolStates[coin][pool].percentage.toFixed(2)}%`;
}
}
if (pool_hs != "") pool_hs = " (" + pool_hs + ")";
// do update of algo/algo-perf if it was changed
for (let pool in pool_algos) {
let pool_algos_perf2 = pool_algos_perf[pool];
if (Object.keys(pool_algos_perf2).length === 0) pool_algos_perf2 = DEFAULT_ALGO_PERF;
activePools[pool].update_algo_perf(pool_algos[pool], pool_algos_perf2);
}
console.log(`The proxy currently has ${global_stats.miners} miners connected at ${global_stats.hashRate} h/s${pool_hs} with an average diff of ${Math.floor(global_stats.diff/global_stats.miners)}`);
}
function poolSocket(hostname){
let pool = activePools[hostname];
let socket = pool.socket;
let dataBuffer = '';
socket.on('data', (d) => {
dataBuffer += d;
if (dataBuffer.indexOf('\n') !== -1) {
let messages = dataBuffer.split('\n');
let incomplete = dataBuffer.slice(-1) === '\n' ? '' : messages.pop();
for (let i = 0; i < messages.length; i++) {
let message = messages[i];
if (message.trim() === '') {
continue;
}
let jsonData;
try {
jsonData = JSON.parse(message);
}
catch (e) {
if (message.indexOf('GET /') === 0) {
if (message.indexOf('HTTP/1.1') !== -1) {
socket.end('HTTP/1.1' + httpResponse);
break;
}
else if (message.indexOf('HTTP/1.0') !== -1) {
socket.end('HTTP/1.0' + httpResponse);
break;
}
}
console.warn(`${global.threadName}Pool wrong reply error from ${pool.hostname}: ${message}`);
socket.destroy();
break;
}
handlePoolMessage(jsonData, pool.hostname);
}
dataBuffer = incomplete;
}
}).on('error', (err) => {
console.warn(`${global.threadName}Pool socket error from ${pool.hostname}: ${err}`);
activePools[pool.hostname].disable();
setTimeout(activePools[pool.hostname].connect, 30*1000, pool.hostname);
}).on('close', () => {
console.warn(`${global.threadName}Pool socket closed from ${pool.hostname}`);
activePools[pool.hostname].disable();
setTimeout(activePools[pool.hostname].connect, 30*1000, pool.hostname);
});
socket.setKeepAlive(true);
socket.setEncoding('utf8');
console.log(`${global.threadName}Connected to pool: ${pool.hostname}`);
pool.login();
}
function handlePoolMessage(jsonData, hostname){
let pool = activePools[hostname];
debug.pool(`Received ${JSON.stringify(jsonData)} from ${pool.hostname}`);
if (jsonData.hasOwnProperty('method')){
// The only time method is set, is with a push of data. Everything else is a reply/
if (jsonData.method === 'job'){
handleNewBlockTemplate(jsonData.params, hostname);
}
} else {
if (jsonData.error !== null){
console.error(`${global.threadName}Error response from pool ${pool.hostname}: ${JSON.stringify(jsonData.error)}`);
if ((jsonData.error instanceof Object) && (typeof jsonData.error.message === 'string') && jsonData.error.message.includes("Unauthenticated")) activePools[hostname].disable();
return;
}
let sendLog = pool.sendLog[jsonData.id];
switch(sendLog.method){
case 'login':
pool.id = jsonData.result.id;
handleNewBlockTemplate(jsonData.result.job, hostname);
break;
case 'getjob':
handleNewBlockTemplate(jsonData.result, hostname);
break;
case 'submit':
sendLog.accepted = true;
break;
}
}
}
function handleNewBlockTemplate(blockTemplate, hostname){
let pool = activePools[hostname];
let algo_variant = "";
if (blockTemplate.algo) algo_variant += "algo: " + blockTemplate.algo;
if (blockTemplate.variant) {
if (algo_variant != "") algo_variant += ", ";
algo_variant += "variant: " + blockTemplate.variant;
}
if (algo_variant != "") algo_variant = " (" + algo_variant + ")";
console.log(`Received new block template on ${blockTemplate.height} height${algo_variant} with ${blockTemplate.target_diff} target difficulty from ${pool.hostname}`);
if(pool.activeBlocktemplate){
if (pool.activeBlocktemplate.job_id === blockTemplate.job_id){
debug.pool('No update with this job, it is an upstream dupe');
return;
}
debug.pool('Storing the previous block template');
pool.pastBlockTemplates.enq(pool.activeBlocktemplate);
}
if (!blockTemplate.algo) blockTemplate.algo = pool.coinFuncs.detectAlgo(pool.default_algo_set, 16 * parseInt(blockTemplate.blocktemplate_blob[0]) + parseInt(blockTemplate.blocktemplate_blob[1]));
if (!blockTemplate.blob_type) blockTemplate.blob_type = pool.blob_type;
pool.activeBlocktemplate = new pool.coinFuncs.MasterBlockTemplate(blockTemplate);
for (let id in cluster.workers){
if (cluster.workers.hasOwnProperty(id)){
cluster.workers[id].send({
host: hostname,
type: 'newBlockTemplate',
data: pool.coinFuncs.getMasterJob(pool, id)
});
}
}
}
function is_active_pool(hostname) {
let pool = activePools[hostname];
if ((cluster.isMaster && !pool.socket) || !pool.active || pool.activeBlocktemplate === null) return false;
let top_height = 0;
for (let poolName in activePools){
if (!activePools.hasOwnProperty(poolName)) continue;
let pool2 = activePools[poolName];
if (pool2.coin != pool.coin) continue;
if ((cluster.isMaster && !pool2.socket) || !pool2.active || pool2.activeBlocktemplate === null) continue;
if (Math.abs(pool2.activeBlocktemplate.height - pool.activeBlocktemplate.height) > 1000) continue; // different coin templates, can't compare here
if (pool2.activeBlocktemplate.height > top_height) top_height = pool2.activeBlocktemplate.height;
}
if (pool.activeBlocktemplate.height < top_height - 5) return false;
return true;
}
// Miner Definition
function Miner(id, params, ip, pushMessage, portData, minerSocket) {
// Arguments
// minerId, params, ip, pushMessage, portData
// Username Layout - <address in BTC or XMR>.<Difficulty>
// Password Layout - <password>.<miner identifier>.<payment ID for XMR>
// Default function is to use the password so they can login. Identifiers can be unique, payment ID is last.
// If there is no miner identifier, then the miner identifier is set to the password
// If the password is x, aka, old-logins, we're not going to allow detailed review of miners.
// Miner Variables
this.coin = portData.coin;
this.coinFuncs = require(`./lib/${this.coin}.js`)();
this.coinSettings = global.config.coinSettings[this.coin];
this.login = params.login; // Documentation purposes only.
this.user = params.login; // For accessControl and workerStats.
this.password = params.pass; // For accessControl and workerStats.
this.agent = params.agent; // Documentation purposes only.
this.ip = ip; // Documentation purposes only.
if (params.algo && (params.algo instanceof Array)) { // To report union of defined algo set to the pool for all its miners
for (let i in params.algo) {
this.algos = {};
for (let i in params.algo) this.algos[params.algo[i]] = 1;
}
}
this.algos_perf = params["algo-perf"]; // To report sum of defined algo_perf to the pool for all its miners
this.socket = minerSocket;
this.messageSender = pushMessage;
this.error = "";
this.valid_miner = true;
this.incremented = false;
let diffSplit = this.login.split("+");
this.fixed_diff = false;
this.difficulty = portData.diff;
this.connectTime = Date.now();
if (!defaultPools.hasOwnProperty(portData.coin) || !is_active_pool(defaultPools[portData.coin])) {
for (let poolName in activePools){
if (activePools.hasOwnProperty(poolName)){
let pool = activePools[poolName];
if (pool.coin != portData.coin || pool.devPool) continue;
if (is_active_pool(poolName)) {
this.pool = poolName;
break;
}
}
}
}
if (!this.pool) this.pool = defaultPools[portData.coin];
if (this.algos) {
const pool = activePools[this.pool];
if (pool) {
const blockTemplate = pool.activeBlocktemplate;
if (blockTemplate && blockTemplate.blob) {
const pool_algo = pool.coinFuncs.detectAlgo(pool.default_algo_set, 16 * parseInt(blockTemplate.blob[0]) + parseInt(blockTemplate.blob[1]));
if (!(pool_algo in this.algos)) {
this.error = "Your miner does not have " + pool_algo + " algo support. Please update it.";
this.valid_miner = false;
}
}
}
}
if (diffSplit.length === 2) {
this.fixed_diff = true;
this.difficulty = Number(diffSplit[1]);
this.user = diffSplit[0];
} else if (diffSplit.length > 2) {
this.error = "Too many options in the login field";
this.valid_miner = false;
}
if (activePools[this.pool].activeBlocktemplate === null){
this.error = "No active block template";
this.valid_miner = false;
}
// Verify if user/password is in allowed client connects
if (!isAllowedLogin(this.user, this.password)) {
this.error = "Unauthorized access";
this.valid_miner = false;
}
this.id = id;
this.heartbeat = function () {
this.lastContact = Date.now();
};
this.heartbeat();
// VarDiff System
this.lastShareTime = Date.now() / 1000 || 0;
this.shares = 0;
this.blocks = 0;
this.hashes = 0;
this.validJobs = support.circularBuffer(5);
this.cachedJob = null;
if (!params.pass) params.pass = "x";
let pass_split = params.pass.split(":");
this.identifier = global.config.addressWorkerID ? this.user : pass_split[0];
this.logString = (this.identifier && this.identifier != "x") ? this.identifier + " (" + this.ip + ")" : this.ip;
this.minerStats = function(){
if (this.socket.destroyed && !global.config.keepOfflineMiners){
delete activeMiners[this.id];
return;
}
return {
active: !this.socket.destroyed,
shares: this.shares,
blocks: this.blocks,
hashes: this.hashes,
avgSpeed: Math.floor(this.hashes/(Math.floor((Date.now() - this.connectTime)/1000))),
diff: this.difficulty,
connectTime: this.connectTime,
lastContact: Math.floor(this.lastContact/1000),
lastShare: this.lastShareTime,
coin: this.coin,
pool: this.pool,
id: this.id,
identifier: this.identifier,
ip: this.ip,
agent: this.agent,