ethstats-server/models/node.js

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var geoip = require('geoip-lite');
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var _ = require('lodash');
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var MAX_HISTORY = 36;
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var Node = function Node(data)
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{
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this.id = null;
this.info = {};
this.geo = {}
this.stats = {
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active: false,
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listening: false,
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mining: false,
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peers: 0,
pending: 0,
gasPrice: 0,
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block: {
difficulty: 0,
number: 0,
gasLimit: 0,
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timestamp: 0,
arrival: 0,
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propagation: 0,
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received: 0,
transactions: []
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},
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blocktimeAvg: 0,
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blockTimes: [],
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difficulty: [],
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latency: 0,
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uptime: 0,
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lastUpdate: 0
};
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this.history = new Array(MAX_HISTORY);
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this.uptime = {
started: null,
history: []
};
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_.fill(this.history, -1);
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if(this.id === null) {
this.uptime.started = (new Date()).getTime();
this.setState(true);
}
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if(typeof data.id !== 'undefined')
this.id = data.id;
if(typeof data.info !== 'undefined')
this.info = data.info;
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if(typeof data.ip !== 'undefined'){
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if(data.ip === '::ffff:127.0.0.1')
data.ip = '84.117.82.122';
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this.info.ip = data.ip;
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this.setGeo(data.ip);
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}
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if(typeof data.spark !== 'undefined')
this.spark = data.spark;
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if(typeof data.latency !== 'undefined')
this.stats.latency = data.latency;
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return this;
}
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Node.prototype.setGeo = function(ip)
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{
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this.geo = geoip.lookup(ip);
}
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Node.prototype.setInfo = function(data)
{
if(typeof data.info !== 'undefined')
this.info = data.info;
if(typeof data.ip !== 'undefined'){
this.info.ip = data.ip;
this.setGeo(data.ip);
}
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if(typeof data.spark !== 'undefined')
this.spark = data.spark;
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if(this.uptime.history.length > 0 && this.uptime.history[this.uptime.history.length - 1].status == 'down')
this.setState(true);
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}
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Node.prototype.getInfo = function()
{
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return {id: this.id, info: this.info, geo: this.geo, stats: this.stats, history: this.history};
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}
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Node.prototype.setStats = function(stats, history)
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{
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if(typeof stats !== 'undefined' && typeof stats.block !== 'undefined' && typeof stats.block.number !== 'undefined')
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{
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this.history = history;
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this.stats = stats;
return this.getStats();
}
return false;
}
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Node.prototype.setLatency = function(latency)
{
if(typeof latency !== 'undefined')
{
this.stats.latency = latency;
return { id: this.id, latency: latency };
}
return false;
}
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Node.prototype.getStats = function()
{
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return {id: this.id, stats: this.stats, history: this.history};
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}
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Node.prototype.setState = function(active)
{
this.stats.active = active;
this.uptime.history.push({status: (active ? 'up' : 'down'), time: (new Date()).getTime()});
}
module.exports = Node;