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init.js
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init.js
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var fs = require('fs');
var path = require('path');
var os = require('os');
var cluster = require('cluster');
var async = require('async');
var extend = require('extend');
var redis = require('redis');
var PoolLogger = require('./libs/logUtil.js');
var CliListener = require('./libs/cliListener.js');
var PoolWorker = require('./libs/poolWorker.js');
var PaymentProcessor = require('./libs/paymentProcessor.js');
var Website = require('./libs/website.js');
var ProfitSwitch = require('./libs/profitSwitch.js');
var algos = require('stratum-pool/lib/algoProperties.js');
JSON.minify = JSON.minify || require("node-json-minify");
if (!fs.existsSync('config.json')){
console.log('config.json file does not exist. Read the installation/setup instructions.');
return;
}
var portalConfig = JSON.parse(JSON.minify(fs.readFileSync("config.json", {encoding: 'utf8'})));
var poolConfigs;
var logger = new PoolLogger({
logLevel: portalConfig.logLevel,
logColors: portalConfig.logColors
});
try {
require('newrelic');
if (cluster.isMaster)
logger.debug('NewRelic', 'Monitor', 'New Relic initiated');
} catch(e) {}
//Try to give process ability to handle 100k concurrent connections
try{
var posix = require('posix');
try {
posix.setrlimit('nofile', { soft: 100000, hard: 100000 });
}
catch(e){
if (cluster.isMaster)
logger.warning('POSIX', 'Connection Limit', '(Safe to ignore) Must be ran as root to increase resource limits');
}
finally {
// Find out which user used sudo through the environment variable
var uid = parseInt(process.env.SUDO_UID);
// Set our server's uid to that user
if (uid) {
process.setuid(uid);
logger.debug('POSIX', 'Connection Limit', 'Raised to 100K concurrent connections, now running as non-root user: ' + process.getuid());
}
}
}
catch(e){
if (cluster.isMaster)
logger.debug('POSIX', 'Connection Limit', '(Safe to ignore) POSIX module not installed and resource (connection) limit was not raised');
}
if (cluster.isWorker){
switch(process.env.workerType){
case 'pool':
new PoolWorker(logger);
break;
case 'paymentProcessor':
new PaymentProcessor(logger);
break;
case 'website':
new Website(logger);
break;
case 'profitSwitch':
new ProfitSwitch(logger);
break;
}
return;
}
//Read all pool configs from pool_configs and join them with their coin profile
var buildPoolConfigs = function(){
var configs = {};
var configDir = 'pool_configs/';
var poolConfigFiles = [];
/* Get filenames of pool config json files that are enabled */
fs.readdirSync(configDir).forEach(function(file){
if (!fs.existsSync(configDir + file) || path.extname(configDir + file) !== '.json') return;
var poolOptions = JSON.parse(JSON.minify(fs.readFileSync(configDir + file, {encoding: 'utf8'})));
if (!poolOptions.enabled) return;
poolOptions.fileName = file;
poolConfigFiles.push(poolOptions);
});
/* Ensure no pool uses any of the same ports as another pool */
for (var i = 0; i < poolConfigFiles.length; i++){
var ports = Object.keys(poolConfigFiles[i].ports);
for (var f = 0; f < poolConfigFiles.length; f++){
if (f === i) continue;
var portsF = Object.keys(poolConfigFiles[f].ports);
for (var g = 0; g < portsF.length; g++){
if (ports.indexOf(portsF[g]) !== -1){
logger.error('Master', poolConfigFiles[f].fileName, 'Has same configured port of ' + portsF[g] + ' as ' + poolConfigFiles[i].fileName);
process.exit(1);
return;
}
}
if (poolConfigFiles[f].coin === poolConfigFiles[i].coin){
logger.error('Master', poolConfigFiles[f].fileName, 'Pool has same configured coin file coins/' + poolConfigFiles[f].coin + ' as ' + poolConfigFiles[i].fileName + ' pool');
process.exit(1);
return;
}
}
}
poolConfigFiles.forEach(function(poolOptions){
poolOptions.coinFileName = poolOptions.coin;
var coinFilePath = 'coins/' + poolOptions.coinFileName;
if (!fs.existsSync(coinFilePath)){
logger.error('Master', poolOptions.coinFileName, 'could not find file: ' + coinFilePath);
return;
}
var coinProfile = JSON.parse(JSON.minify(fs.readFileSync(coinFilePath, {encoding: 'utf8'})));
poolOptions.coin = coinProfile;
poolOptions.coin.name = poolOptions.coin.name.toLowerCase();
if (poolOptions.coin.name in configs){
logger.error('Master', poolOptions.fileName, 'coins/' + poolOptions.coinFileName
+ ' has same configured coin name ' + poolOptions.coin.name + ' as coins/'
+ configs[poolOptions.coin.name].coinFileName + ' used by pool config '
+ configs[poolOptions.coin.name].fileName);
process.exit(1);
return;
}
for (var option in portalConfig.defaultPoolConfigs){
if (!(option in poolOptions)){
var toCloneOption = portalConfig.defaultPoolConfigs[option];
var clonedOption = {};
if (toCloneOption.constructor === Object)
extend(true, clonedOption, toCloneOption);
else
clonedOption = toCloneOption;
poolOptions[option] = clonedOption;
}
}
configs[poolOptions.coin.name] = poolOptions;
if (!(coinProfile.algorithm in algos)){
logger.error('Master', coinProfile.name, 'Cannot run a pool for unsupported algorithm "' + coinProfile.algorithm + '"');
delete configs[poolOptions.coin.name];
}
});
return configs;
};
function roundTo(n, digits) {
if (digits === undefined) {
digits = 0;
}
var multiplicator = Math.pow(10, digits);
n = parseFloat((n * multiplicator).toFixed(11));
var test =(Math.round(n) / multiplicator);
return +(test.toFixed(digits));
}
var _lastStartTimes = [];
var _lastShareTimes = [];
var spawnPoolWorkers = function(){
var redisConfig;
var connection;
Object.keys(poolConfigs).forEach(function(coin){
var pcfg = poolConfigs[coin];
if (!Array.isArray(pcfg.daemons) || pcfg.daemons.length < 1){
logger.error('Master', coin, 'No daemons configured so a pool cannot be started for this coin.');
delete poolConfigs[coin];
} else if (!connection) {
redisConfig = pcfg.redis;
connection = redis.createClient(redisConfig.port, redisConfig.host);
if (redisConfig.password != "") {
connection.auth(redisConfig.password);
connection.on("error", function (err) {
logger.error("redis", coin, "An error occured while attempting to authenticate redis: " + err);
});
}
connection.on('ready', function(){
logger.debug('PPLNT', coin, 'TimeShare processing setup with redis (' + redisConfig.host +
':' + redisConfig.port + ')');
});
}
});
if (Object.keys(poolConfigs).length === 0){
logger.warning('Master', 'PoolSpawner', 'No pool configs exists or are enabled in pool_configs folder. No pools spawned.');
return;
}
var serializedConfigs = JSON.stringify(poolConfigs);
var numForks = (function(){
if (!portalConfig.clustering || !portalConfig.clustering.enabled)
return 1;
if (portalConfig.clustering.forks === 'auto')
return os.cpus().length;
if (!portalConfig.clustering.forks || isNaN(portalConfig.clustering.forks))
return 1;
return portalConfig.clustering.forks;
})();
var poolWorkers = {};
var createPoolWorker = function(forkId){
var worker = cluster.fork({
workerType: 'pool',
forkId: forkId,
pools: serializedConfigs,
portalConfig: JSON.stringify(portalConfig)
});
worker.forkId = forkId;
worker.type = 'pool';
poolWorkers[forkId] = worker;
worker.on('exit', function(code, signal){
logger.error('Master', 'PoolSpawner', 'Fork ' + forkId + ' died, spawning replacement worker...');
setTimeout(function(){
createPoolWorker(forkId);
}, 2000);
}).on('message', function(msg){
switch(msg.type){
case 'banIP':
Object.keys(cluster.workers).forEach(function(id) {
if (cluster.workers[id].type === 'pool'){
cluster.workers[id].send({type: 'banIP', ip: msg.ip});
}
});
break;
case 'shareTrack':
// pplnt time share tracking of workers
if (msg.isValidShare && !msg.isValidBlock) {
var now = Date.now();
var lastShareTime = now;
var lastStartTime = now;
var workerAddress = msg.data.worker.split('.')[0];
// if needed, initialize PPLNT objects for coin
if (!_lastShareTimes[msg.coin]) {
_lastShareTimes[msg.coin] = {};
}
if (!_lastStartTimes[msg.coin]) {
_lastStartTimes[msg.coin] = {};
}
// did they just join in this round?
if (!_lastShareTimes[msg.coin][workerAddress] || !_lastStartTimes[msg.coin][workerAddress]) {
_lastShareTimes[msg.coin][workerAddress] = now;
_lastStartTimes[msg.coin][workerAddress] = now;
logger.debug('PPLNT', msg.coin, 'Thread '+msg.thread, workerAddress+' joined.');
}
// grab last times from memory objects
if (_lastShareTimes[msg.coin][workerAddress] != null && _lastShareTimes[msg.coin][workerAddress] > 0) {
lastShareTime = _lastShareTimes[msg.coin][workerAddress];
lastStartTime = _lastStartTimes[msg.coin][workerAddress];
}
var redisCommands = [];
// if its been less than 15 minutes since last share was submitted
var timeChangeSec = roundTo(Math.max(now - lastShareTime, 0) / 1000, 4);
//var timeChangeTotal = roundTo(Math.max(now - lastStartTime, 0) / 1000, 4);
if (timeChangeSec < 900) {
// loyal miner keeps mining :)
redisCommands.push(['hincrbyfloat', msg.coin + ':shares:timesCurrent', workerAddress + "." + poolConfigs[msg.coin].poolId, timeChangeSec]);
//logger.debug('PPLNT', msg.coin, 'Thread '+msg.thread, workerAddress+':{totalTimeSec:'+timeChangeTotal+', timeChangeSec:'+timeChangeSec+'}');
connection.multi(redisCommands).exec(function(err, replies){
if (err)
logger.error('PPLNT', msg.coin, 'Thread '+msg.thread, 'Error with time share processor call to redis ' + JSON.stringify(err));
});
} else {
// they just re-joined the pool
_lastStartTimes[workerAddress] = now;
logger.debug('PPLNT', msg.coin, 'Thread '+msg.thread, workerAddress+' re-joined.');
}
// track last time share
_lastShareTimes[msg.coin][workerAddress] = now;
}
if (msg.isValidBlock) {
// reset pplnt share times for next round
_lastShareTimes[msg.coin] = {};
_lastStartTimes[msg.coin] = {};
}
break;
}
});
};
var i = 0;
var spawnInterval = setInterval(function(){
createPoolWorker(i);
i++;
if (i === numForks){
clearInterval(spawnInterval);
logger.debug('Master', 'PoolSpawner', 'Spawned ' + Object.keys(poolConfigs).length + ' pool(s) on ' + numForks + ' thread(s)');
}
}, 250);
};
var startCliListener = function(){
var cliPort = portalConfig.cliPort;
var cliServer = portalConfig.cliServer || "127.0.0.1";
var listener = new CliListener(cliServer, cliPort);
listener.on('log', function(text){
logger.debug('Master', 'CLI', text);
}).on('command', function(command, params, options, reply){
switch(command){
case 'blocknotify':
Object.keys(cluster.workers).forEach(function(id) {
cluster.workers[id].send({type: 'blocknotify', coin: params[0], hash: params[1]});
});
reply('Pool workers notified');
break;
case 'coinswitch':
processCoinSwitchCommand(params, options, reply);
break;
case 'reloadpool':
Object.keys(cluster.workers).forEach(function(id) {
cluster.workers[id].send({type: 'reloadpool', coin: params[0] });
});
reply('reloaded pool ' + params[0]);
break;
default:
reply('unrecognized command "' + command + '"');
break;
}
}).start();
};
var processCoinSwitchCommand = function(params, options, reply){
var logSystem = 'CLI';
var logComponent = 'coinswitch';
var replyError = function(msg){
reply(msg);
logger.error(logSystem, logComponent, msg);
};
if (!params[0]) {
replyError('Coin name required');
return;
}
if (!params[1] && !options.algorithm){
replyError('If switch key is not provided then algorithm options must be specified');
return;
}
else if (params[1] && !portalConfig.switching[params[1]]){
replyError('Switch key not recognized: ' + params[1]);
return;
}
else if (options.algorithm && !Object.keys(portalConfig.switching).filter(function(s){
return portalConfig.switching[s].algorithm === options.algorithm;
})[0]){
replyError('No switching options contain the algorithm ' + options.algorithm);
return;
}
var messageCoin = params[0].toLowerCase();
var newCoin = Object.keys(poolConfigs).filter(function(p){
return p.toLowerCase() === messageCoin;
})[0];
if (!newCoin){
replyError('Switch message to coin that is not recognized: ' + messageCoin);
return;
}
var switchNames = [];
if (params[1]) {
switchNames.push(params[1]);
}
else{
for (var name in portalConfig.switching){
if (portalConfig.switching[name].enabled && portalConfig.switching[name].algorithm === options.algorithm)
switchNames.push(name);
}
}
switchNames.forEach(function(name){
if (poolConfigs[newCoin].coin.algorithm !== portalConfig.switching[name].algorithm){
replyError('Cannot switch a '
+ portalConfig.switching[name].algorithm
+ ' algo pool to coin ' + newCoin + ' with ' + poolConfigs[newCoin].coin.algorithm + ' algo');
return;
}
Object.keys(cluster.workers).forEach(function (id) {
cluster.workers[id].send({type: 'coinswitch', coin: newCoin, switchName: name });
});
});
reply('Switch message sent to pool workers');
};
var startPaymentProcessor = function(){
var enabledForAny = false;
for (var pool in poolConfigs){
var p = poolConfigs[pool];
var enabled = p.enabled && p.paymentProcessing && p.paymentProcessing.enabled;
if (enabled){
enabledForAny = true;
break;
}
}
if (!enabledForAny)
return;
var worker = cluster.fork({
workerType: 'paymentProcessor',
pools: JSON.stringify(poolConfigs)
});
worker.on('exit', function(code, signal){
logger.error('Master', 'Payment Processor', 'Payment processor died, spawning replacement...');
setTimeout(function(){
startPaymentProcessor(poolConfigs);
}, 2000);
});
};
var startWebsite = function(){
if (!portalConfig.website.enabled) return;
var worker = cluster.fork({
workerType: 'website',
pools: JSON.stringify(poolConfigs),
portalConfig: JSON.stringify(portalConfig)
});
worker.on('exit', function(code, signal){
logger.error('Master', 'Website', 'Website process died, spawning replacement...');
setTimeout(function(){
startWebsite(portalConfig, poolConfigs);
}, 2000);
});
};
var startProfitSwitch = function(){
if (!portalConfig.profitSwitch || !portalConfig.profitSwitch.enabled){
//logger.error('Master', 'Profit', 'Profit auto switching disabled');
return;
}
var worker = cluster.fork({
workerType: 'profitSwitch',
pools: JSON.stringify(poolConfigs),
portalConfig: JSON.stringify(portalConfig)
});
worker.on('exit', function(code, signal){
logger.error('Master', 'Profit', 'Profit switching process died, spawning replacement...');
setTimeout(function(){
startWebsite(portalConfig, poolConfigs);
}, 2000);
});
};
(function init(){
poolConfigs = buildPoolConfigs();
spawnPoolWorkers();
startPaymentProcessor();
startWebsite();
startProfitSwitch();
startCliListener();
})();