ethstats-server/models/node.js

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var geoip = require('geoip-lite');
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require('es6-promise').polyfill();
var Node = function Node(options, id)
{
this.info = options;
this.info.geo = geoip.lookup(this.info.rpcHost);
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this.info.id = parseInt(id);
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this.info.stats = {
active: false,
peers: 0,
mining: false,
block: {
height: 0,
hash: '?',
timestamp: 0
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},
uptime: {
down: 0,
inc: 0,
total: 0
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}
}
this.web3 = require('ethereum.js');
return this;
}
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Node.prototype.update = function()
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{
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var sock = new this.web3.providers.HttpSyncProvider('http://' + this.info.rpcHost + ':' + this.info.rpcPort);
this.web3.setProvider(sock);
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var eth = this.web3.eth;
try {
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this.info.stats.peers = eth.peerCount;
}
catch (err) {
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this.info.stats.peers = null;
}
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if(this.info.stats.peers != null) {
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this.info.stats.block.height = parseInt(eth.number);
var block = eth.block(this.info.stats.block.height)
this.info.stats.block.hash = block.hash;
this.info.stats.block.timestamp = block.timestamp;
this.info.stats.mining = eth.mining;
this.info.stats.active = true;
} else {
this.info.stats.active = false;
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this.info.stats.uptime.down++;
}
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this.info.stats.uptime.inc++;
this.info.stats.uptime.total = ((this.info.stats.uptime.inc - this.info.stats.uptime.down) / this.info.stats.uptime.inc) * 100;
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return this.info;
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};
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module.exports = Node;