2014-03-01 17:19:10 -08:00
|
|
|
var redis = require('redis');
|
2014-03-06 12:46:01 -08:00
|
|
|
var Stratum = require('stratum-pool');
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
This module deals with handling shares when in internal payment processing mode. It connects to a redis
|
|
|
|
database and inserts shares with the database structure of:
|
|
|
|
|
|
|
|
key: coin_name + ':' + block_height
|
|
|
|
value: a hash with..
|
|
|
|
key:
|
|
|
|
|
|
|
|
*/
|
|
|
|
|
2014-03-01 17:19:10 -08:00
|
|
|
|
2014-03-05 14:10:50 -08:00
|
|
|
module.exports = function(logger, poolConfig){
|
2014-03-03 12:51:11 -08:00
|
|
|
|
2014-03-06 12:46:01 -08:00
|
|
|
var internalConfig = poolConfig.shareProcessing.internal;
|
|
|
|
var redisConfig = internalConfig.redis;
|
2014-03-05 14:10:50 -08:00
|
|
|
var coin = poolConfig.coin.name;
|
2014-03-03 12:51:11 -08:00
|
|
|
|
2014-03-05 14:10:50 -08:00
|
|
|
var connection;
|
2014-03-04 12:24:02 -08:00
|
|
|
|
2014-03-05 14:10:50 -08:00
|
|
|
function connect(){
|
2014-03-05 14:31:32 -08:00
|
|
|
|
|
|
|
var reconnectTimeout;
|
|
|
|
|
2014-03-06 12:46:01 -08:00
|
|
|
connection = redis.createClient(redisConfig.port, redisConfig.host);
|
2014-03-05 14:31:32 -08:00
|
|
|
connection.on('ready', function(){
|
|
|
|
clearTimeout(reconnectTimeout);
|
|
|
|
logger.debug('redis', 'Successfully connected to redis database');
|
|
|
|
});
|
2014-03-05 14:10:50 -08:00
|
|
|
connection.on('error', function(err){
|
|
|
|
logger.error('redis', 'Redis client had an error: ' + JSON.stringify(err))
|
|
|
|
});
|
|
|
|
connection.on('end', function(){
|
2014-03-05 14:31:32 -08:00
|
|
|
logger.error('redis', 'Connection to redis database as been ended');
|
|
|
|
logger.warning('redis', 'Trying reconnection in 3 seconds...');
|
|
|
|
reconnectTimeout = setTimeout(function(){
|
|
|
|
connect();
|
|
|
|
}, 3000);
|
2014-03-04 12:24:02 -08:00
|
|
|
});
|
2014-03-05 14:10:50 -08:00
|
|
|
}
|
|
|
|
connect();
|
2014-03-03 12:51:11 -08:00
|
|
|
|
|
|
|
|
2014-03-12 23:37:27 -07:00
|
|
|
//Every 10 minutes clear out old hashrate stat data from redis
|
|
|
|
setInterval(function(){
|
|
|
|
var tenMinutesAgo = (Date.now() / 1000 | 0) - (60 * 10);
|
|
|
|
connection.zremrangebyscore([coin + '_hashrate', '-inf', tenMinutesAgo]);
|
|
|
|
}, 10 * 60 * 1000);
|
|
|
|
|
|
|
|
|
2014-03-05 14:10:50 -08:00
|
|
|
this.handleShare = function(isValidShare, isValidBlock, shareData){
|
2014-03-04 12:24:02 -08:00
|
|
|
|
|
|
|
|
2014-03-05 14:10:50 -08:00
|
|
|
if (!isValidShare) return;
|
2014-03-03 12:51:11 -08:00
|
|
|
|
2014-03-11 21:57:03 -07:00
|
|
|
/*use http://redis.io/commands/zrangebyscore to store shares with timestamps
|
|
|
|
so we can use the min-max to get shares from the last x minutes to determine hash rate :)
|
|
|
|
also use a hash like coin_stats:{ invalidShares, validShares, invalidBlocks, validBlocks, etc }
|
|
|
|
for more efficient stats
|
|
|
|
*/
|
|
|
|
|
2014-03-12 23:37:27 -07:00
|
|
|
//store share diff, worker, and unique value with a score that is the timestamp
|
|
|
|
//unique value ensures it doesnt overwrite an existing entry
|
|
|
|
//the timestamp as score lets us query shares from last X minutes to generate hashrate for each worker and pool
|
|
|
|
connection.zadd(coin + '_hashrate', Date.now() / 1000 | 0, shareData.difficulty + ':' + shareData.worker + ':' + Math.random());
|
2014-03-11 21:57:03 -07:00
|
|
|
|
2014-03-11 18:56:19 -07:00
|
|
|
connection.hincrby([coin + '_shares:roundCurrent', shareData.worker, shareData.difficulty], function(error, result){
|
2014-03-04 12:24:02 -08:00
|
|
|
if (error)
|
2014-03-05 14:10:50 -08:00
|
|
|
logger.error('redis', 'Could not store worker share')
|
2014-03-04 12:24:02 -08:00
|
|
|
});
|
2014-03-03 12:51:11 -08:00
|
|
|
|
2014-03-07 14:04:14 -08:00
|
|
|
if (isValidBlock){
|
2014-03-11 18:56:19 -07:00
|
|
|
connection.rename(coin + '_shares:roundCurrent', coin + '_shares:round' + shareData.height, function(result){
|
2014-03-11 12:12:46 -07:00
|
|
|
console.log('rename result: ' + result);
|
|
|
|
});
|
2014-03-12 15:33:29 -07:00
|
|
|
connection.sadd([coin + '_blocks', shareData.tx + ':' + shareData.height + ':' + shareData.reward], function(error, result){
|
2014-03-07 14:04:14 -08:00
|
|
|
if (error)
|
|
|
|
logger.error('redis', 'Could not store block data');
|
|
|
|
});
|
|
|
|
}
|
|
|
|
|
2014-03-04 00:33:55 -08:00
|
|
|
};
|
2014-03-01 17:19:10 -08:00
|
|
|
|
2014-03-04 00:33:55 -08:00
|
|
|
};
|