mirror of https://github.com/BTCPrivate/z-nomp.git
82 lines
3.0 KiB
JavaScript
82 lines
3.0 KiB
JavaScript
var redis = require('redis');
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var Stratum = require('stratum-pool');
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/*
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This module deals with handling shares when in internal payment processing mode. It connects to a redis
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database and inserts shares with the database structure of:
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key: coin_name + ':' + block_height
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value: a hash with..
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key:
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*/
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module.exports = function(logger, poolConfig){
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var internalConfig = poolConfig.shareProcessing.internal;
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var redisConfig = internalConfig.redis;
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var coin = poolConfig.coin.name;
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var forkId = process.env.forkId;
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var logSystem = 'Pool';
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var logComponent = coin;
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var logSubCat = 'Thread ' + (parseInt(forkId) + 1);
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var connection = redis.createClient(redisConfig.port, redisConfig.host);
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connection.on('ready', function(){
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logger.debug(logSystem, logComponent, logSubCat, 'Share processing setup with redis (' + redisConfig.host +
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':' + redisConfig.port + ')');
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});
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connection.on('error', function(err){
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logger.error(logSystem, logComponent, logSubCat, 'Redis client had an error: ' + JSON.stringify(err))
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});
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connection.on('end', function(){
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logger.error(logSystem, logComponent, logSubCat, 'Connection to redis database as been ended');
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});
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this.handleShare = function(isValidShare, isValidBlock, shareData){
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var redisCommands = [];
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if (isValidShare){
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redisCommands.push(['hincrbyfloat', coin + '_shares:roundCurrent', shareData.worker, shareData.difficulty]);
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redisCommands.push(['hincrby', coin + '_stats', 'validShares', 1]);
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/* Stores share diff, worker, and unique value with a score that is the timestamp. Unique value ensures it
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doesn't overwrite an existing entry, and timestamp as score lets us query shares from last X minutes to
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generate hashrate for each worker and pool. */
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var dateNow = Date.now();
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redisCommands.push(['zadd', coin + '_hashrate', dateNow / 1000 | 0, [shareData.difficulty, shareData.worker, dateNow].join(':')]);
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}
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else{
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redisCommands.push(['hincrby', coin + '_stats', 'invalidShares', 1]);
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}
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if (isValidBlock){
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redisCommands.push(['rename', coin + '_shares:roundCurrent', coin + '_shares:round' + shareData.height]);
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redisCommands.push(['sadd', coin + '_blocksPending', [shareData.blockHash, shareData.txHash, shareData.height, shareData.reward].join(':')]);
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redisCommands.push(['hincrby', coin + '_stats', 'validBlocks', 1]);
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}
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else if (shareData.blockHash){
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redisCommands.push(['hincrby', coin + '_stats', 'invalidBlocks', 1]);
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}
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connection.multi(redisCommands).exec(function(err, replies){
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if (err)
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logger.error(logSystem, logComponent, logSubCat, 'Error with share processor multi ' + JSON.stringify(err));
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else
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logger.debug(logSystem, logComponent, logSubCat, 'Share data and stats recorded');
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});
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};
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};
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