Ethereum network status dashboard for PoW and PoA networks
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ethstats-server/models/collection.js

164 lines
2.9 KiB

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var _ = require('lodash');
var Blockchain = require('./history');
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var Node = require('./node');
var Collection = function Collection()
{
this._items = [];
this._blockchain = new Blockchain();
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return this;
}
Collection.prototype.add = function(data)
{
var node = this.getNodeOrNew({ id : data.id }, data);
node.setInfo(data);
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return node.getInfo();
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}
Collection.prototype.update = function(id, stats)
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{
var node = this.getNode({ id: id });
if(!node)
return false;
var block = this._blockchain.add(stats.block, id);
if(! block)
return false;
var propagationHistory = this._blockchain.getNodePropagation(id);
stats.block.arrived = block.arrived;
stats.block.received = block.received;
stats.block.propagation = block.propagation;
return node.setStats(stats, propagationHistory);
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}
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Collection.prototype.addHistory = function(id, blocks)
{
var node = this.getNode({ id: id });
if(!node)
return false;
blocks = blocks.reverse();
for (var i = 0; i <= blocks.length - 1; i++)
{
this._blockchain.add(blocks[i], id);
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};
return this.getCharts();
}
Collection.prototype.updateLatency = function(id, latency)
{
var node = this.getNode({ id: id });
if(!node)
return false;
return node.setLatency(latency);
}
Collection.prototype.inactive = function(id)
{
var node = this.getNode({ spark: id });
if(!node)
return false;
node.setState(false);
return node.getStats();
}
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Collection.prototype.getIndex = function(search)
{
return _.findIndex(this._items, search);
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}
Collection.prototype.getNode = function(search)
{
var index = this.getIndex(search);
if(index >= 0)
return this._items[index];
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return false;
}
Collection.prototype.getNodeByIndex = function(index)
{
if(this._items[index])
return this._items[index];
return false;
}
Collection.prototype.getIndexOrNew = function(search, data)
{
var index = this.getIndex(search);
return (index >= 0 ? index : this._items.push(new Node(data)) - 1);
}
Collection.prototype.getNodeOrNew = function(search, data)
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{
return this.getNodeByIndex(this.getIndexOrNew(search, data));
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}
Collection.prototype.all = function()
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{
return this._items;
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}
Collection.prototype.blockPropagationChart = function()
{
return this._blockchain.getBlockPropagation();
}
Collection.prototype.getUncleCount = function()
{
return this._blockchain.getUncleCount();
}
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Collection.prototype.getCharts = function()
{
return this._blockchain.getCharts();
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}
Collection.prototype.getHistory = function()
{
return this._blockchain;
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}
Collection.prototype.canNodeUpdate = function(id)
{
var node = this.getNode({id: id});
if(!node)
return false;
if(node.canUpdate())
{
var diff = this._blockchain.bestBlockNumber() - node.getBlockNumber();
return (diff <= 0);
}
return false;
}
Collection.prototype.requiresUpdate = function(id)
{
return ( this.canNodeUpdate(id) && this._blockchain.requiresUpdate() );
}
module.exports = Collection;