ethstats-server/src-lite/js/controllers.js

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/* Controllers */
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netStatsApp.controller('StatsCtrl', function($scope, $filter, socket, _, toastr) {
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var MAX_BINS = 40;
// Main Stats init
// ---------------
$scope.nodesTotal = 0;
$scope.nodesActive = 0;
$scope.bestBlock = 0;
$scope.lastBlock = 0;
$scope.lastDifficulty = 0;
$scope.upTimeTotal = 0;
$scope.avgBlockTime = 0;
$scope.blockPropagationAvg = 0;
$scope.avgHashrate = 0;
$scope.uncleCount = 0;
$scope.bestStats = {};
$scope.lastBlocksTime = _.fill(Array(MAX_BINS), 2);
$scope.difficultyChart = _.fill(Array(MAX_BINS), 2);
$scope.transactionDensity = _.fill(Array(MAX_BINS), 2);
$scope.gasSpending = _.fill(Array(MAX_BINS), 2);
$scope.miners = [];
$scope.nodes = [];
$scope.map = [];
$scope.blockPropagationChart = [];
$scope.uncleCountChart = _.fill(Array(MAX_BINS), 2);
$scope.coinbases = [];
$scope.latency = 0;
$scope.currentApiVersion = "0.0.16";
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$scope.predicate = ['-pinned', '-stats.active', '-stats.block.number', 'stats.block.propagation'];
$scope.reverse = false;
$scope.pinned = [];
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$scope.prefixPredicate = ['-pinned', '-stats.active'];
$scope.originalPredicate = ['-stats.block.number', 'stats.block.propagation'];
$scope.orderTable = function(predicate, reverse)
{
if(!_.isEqual(predicate, $scope.originalPredicate))
{
$scope.reverse = reverse;
$scope.originalPredicate = predicate;
$scope.predicate = _.union($scope.prefixPredicate, predicate);
}
else
{
$scope.reverse = !$scope.reverse;
if($scope.reverse === true){
_.forEach(predicate, function (value, key) {
predicate[key] = (value[0] === '-' ? value.replace('-', '') : '-' + value);
});
}
$scope.predicate = _.union($scope.prefixPredicate, predicate);
}
}
$scope.pinNode = function(id)
{
index = findIndex({id: id});
if( !_.isUndefined($scope.nodes[index]) )
{
$scope.nodes[index].pinned = !$scope.nodes[index].pinned;
if($scope.nodes[index].pinned)
{
$scope.pinned.push(id);
}
else
{
$scope.pinned.splice($scope.pinned.indexOf(id), 1);
}
}
}
var timeout = setInterval(function ()
{
$scope.$apply();
}, 300);
$scope.getNumber = function (num) {
return new Array(num);
}
// Socket listeners
// ----------------
socket.on('open', function open() {
socket.emit('ready');
console.log('The connection has been opened.');
})
.on('end', function end() {
console.log('Socket connection ended.')
})
.on('error', function error(err) {
console.log(err);
})
.on('reconnecting', function reconnecting(opts) {
console.log('We are scheduling a reconnect operation', opts);
})
.on('data', function incoming(data) {
$scope.$apply(socketAction(data.action, data.data));
});
socket.on('init', function(data)
{
$scope.$apply(socketAction("init", data.nodes));
});
socket.on('client-latency', function(data)
{
$scope.latency = data.latency;
})
function socketAction(action, data)
{
// console.log('Action: ', action);
// console.log('Data: ', data);
switch(action)
{
case "init":
$scope.nodes = data;
_.forEach($scope.nodes, function (node, index) {
// Init hashrate
if( _.isUndefined(node.stats.hashrate) )
node.stats.hashrate = 0;
// Init latency
latencyFilter(node);
// Init history
if( _.isUndefined(data.history) )
{
data.history = new Array(40);
_.fill(data.history, -1);
}
// Init or recover pin
node.pinned = ($scope.pinned.indexOf(node.id) >= 0 ? true : false);
});
if( $scope.nodes.length > 0 )
{
toastr['success']("Got nodes list", "Got nodes!");
updateActiveNodes();
}
break;
case "add":
var index = findIndex({id: data.id});
if( addNewNode(data) )
toastr['success']("New node "+ $scope.nodes[findIndex({id: data.id})].info.name +" connected!", "New node!");
else
toastr['info']("Node "+ $scope.nodes[index].info.name +" reconnected!", "Node is back!");
break;
// TODO: Remove when everybody updates api client to 0.0.12
case "update":
var index = findIndex({id: data.id});
if( index >= 0 && !_.isUndefined($scope.nodes[index]) && !_.isUndefined($scope.nodes[index].stats) )
{
if( !_.isUndefined($scope.nodes[index].stats.latency) )
data.stats.latency = $scope.nodes[index].stats.latency;
if( _.isUndefined(data.stats.hashrate) )
data.stats.hashrate = 0;
if( $scope.nodes[index].stats.block.number < data.stats.block.number )
{
var best = _.max($scope.nodes, function (node) {
return parseInt(node.stats.block.number);
}).stats.block;
if (data.stats.block.number > best.number) {
data.stats.block.arrived = _.now();
} else {
data.stats.block.arrived = best.arrived;
}
$scope.nodes[index].history = data.history;
}
$scope.nodes[index].stats = data.stats;
if( !_.isUndefined(data.stats.latency) && _.get($scope.nodes[index], 'stats.latency', 0) !== data.stats.latency )
{
$scope.nodes[index].stats.latency = data.stats.latency;
latencyFilter($scope.nodes[index]);
}
updateBestBlock();
}
break;
case "block":
var index = findIndex({id: data.id});
if( index >= 0 && !_.isUndefined($scope.nodes[index]) && !_.isUndefined($scope.nodes[index].stats) )
{
if( $scope.nodes[index].stats.block.number < data.block.number )
{
var best = _.max($scope.nodes, function (node) {
return parseInt(node.stats.block.number);
}).stats.block;
if (data.block.number > best.number) {
data.block.arrived = _.now();
} else {
data.block.arrived = best.arrived;
}
$scope.nodes[index].history = data.history;
}
$scope.nodes[index].stats.block = data.block;
$scope.nodes[index].stats.propagationAvg = data.propagationAvg;
updateBestBlock();
}
break;
case "pending":
var index = findIndex({id: data.id});
if( !_.isUndefined(data.id) && index >= 0 )
{
var node = $scope.nodes[index];
if( !_.isUndefined(node) && !_.isUndefined(node.stats.pending) && !_.isUndefined(data.pending) )
$scope.nodes[index].stats.pending = data.pending;
}
break;
case "stats":
var index = findIndex({id: data.id});
if( !_.isUndefined(data.id) && index >= 0 )
{
var node = $scope.nodes[index];
if( !_.isUndefined(node) && !_.isUndefined(node.stats) )
{
$scope.nodes[index].stats.active = data.stats.active;
$scope.nodes[index].stats.mining = data.stats.mining;
$scope.nodes[index].stats.hashrate = data.stats.hashrate;
$scope.nodes[index].stats.peers = data.stats.peers;
$scope.nodes[index].stats.gasPrice = data.stats.gasPrice;
$scope.nodes[index].stats.uptime = data.stats.uptime;
if( !_.isUndefined(data.stats.latency) && _.get($scope.nodes[index], 'stats.latency', 0) !== data.stats.latency )
{
$scope.nodes[index].stats.latency = data.stats.latency;
latencyFilter($scope.nodes[index]);
}
updateActiveNodes();
}
}
break;
case "info":
var index = findIndex({id: data.id});
if( index >= 0 )
{
$scope.nodes[index].info = data.info;
if( _.isUndefined($scope.nodes[index].pinned) )
$scope.nodes[index].pinned = false;
// Init latency
latencyFilter($scope.nodes[index]);
updateActiveNodes();
}
break;
case "blockPropagationChart":
$scope.blockPropagationChart = data.histogram;
$scope.blockPropagationAvg = data.avg;
break;
case "uncleCount":
$scope.uncleCount = data[0] + data[1];
data.reverse();
$scope.uncleCountChart = data;
break;
case "charts":
if( !_.isEqual($scope.avgBlockTime, data.avgBlocktime) )
$scope.avgBlockTime = data.avgBlocktime;
if( !_.isEqual($scope.avgHashrate, data.avgHashrate) )
$scope.avgHashrate = data.avgHashrate;
if( !_.isEqual($scope.lastBlocksTime, data.blocktime) && data.blocktime.length >= MAX_BINS )
$scope.lastBlocksTime = data.blocktime;
data.uncleCount.reverse();
if( !_.isEqual($scope.uncleCountChart, data.uncleCount) && data.uncleCount.length >= MAX_BINS ) {
$scope.uncleCount = data.uncleCount[data.uncleCount.length-2] + data.uncleCount[data.uncleCount.length-1];
$scope.uncleCountChart = data.uncleCount;
}
break;
case "inactive":
var index = findIndex({id: data.id});
if( index >= 0 )
{
if( !_.isUndefined(data.stats) )
$scope.nodes[index].stats = data.stats;
toastr['error']("Node "+ $scope.nodes[index].info.name +" went away!", "Node connection was lost!");
updateActiveNodes();
}
break;
case "latency":
if( !_.isUndefined(data.id) && !_.isUndefined(data.latency) )
{
var index = findIndex({id: data.id});
if( index >= 0 )
{
var node = $scope.nodes[index];
if( !_.isUndefined(node) && !_.isUndefined(node.stats) && !_.isUndefined(node.stats.latency) && node.stats.latency !== data.latency )
{
node.stats.latency = data.latency;
latencyFilter(node);
}
}
}
break;
case "client-ping":
socket.emit('client-pong', {
serverTime: data.serverTime,
clientTime: _.now()
});
break;
}
}
function findIndex(search)
{
return _.findIndex($scope.nodes, search);
}
function addNewNode(data)
{
var index = findIndex({id: data.id});
if( _.isUndefined(data.history) )
{
data.history = new Array(40);
_.fill(data.history, -1);
}
if( index < 0 )
{
if( !_.isUndefined(data.stats) && _.isUndefined(data.stats.hashrate) )
{
data.stats.hashrate = 0;
}
data.pinned = false;
$scope.nodes.push(data);
return true;
}
data.pinned = ( !_.isUndefined($scope.nodes[index].pinned) ? $scope.nodes[index].pinned : false);
if( !_.isUndefined($scope.nodes[index].history) )
{
data.history = $scope.nodes[index].history;
}
$scope.nodes[index] = data;
updateActiveNodes();
return false;
}
function updateActiveNodes()
{
updateBestBlock();
$scope.nodesTotal = $scope.nodes.length;
$scope.nodesActive = _.filter($scope.nodes, function (node) {
forkFilter(node);
return node.stats.active == true;
}).length;
}
function updateBestBlock()
{
if( $scope.nodes.length )
{
var chains = {};
var maxScore = 0;
_($scope.nodes)
.map(function (item)
{
maxScore += (item.trusted ? 50 : 1);
if( _.isUndefined(chains[item.stats.block.number]) )
chains[item.stats.block.number] = [];
if( _.isUndefined(chains[item.stats.block.number][item.stats.block.fork]) )
chains[item.stats.block.number][item.stats.block.fork] = {
fork: item.stats.block.fork,
count: 0,
trusted: 0,
score: 0
};
if(item.stats.block.trusted)
chains[item.stats.block.number][item.stats.block.fork].trusted++;
else
chains[item.stats.block.number][item.stats.block.fork].count++;
chains[item.stats.block.number][item.stats.block.fork].score = chains[item.stats.block.number][item.stats.block.fork].trusted * 50 + chains[item.stats.block.number][item.stats.block.fork].count;
})
.value();
$scope.maxScore = maxScore;
$scope.chains = _.reduce(chains, function (result, item, key)
{
result[key] = _.max(item, 'score');
return result;
}, {});
var bestBlock = _.max($scope.nodes, function (node)
{
// if( $scope.chains[node.stats.block.number].fork === node.stats.block.fork && $scope.chains[node.stats.block.number].score / $scope.maxScore >= 0.5 )
// {
return parseInt(node.stats.block.number);
// }
// return 0;
}).stats.block.number;
if( bestBlock !== $scope.bestBlock )
{
$scope.bestBlock = bestBlock;
$scope.bestStats = _.max($scope.nodes, function (node) {
return parseInt(node.stats.block.number);
}).stats;
$scope.lastBlock = $scope.bestStats.block.arrived;
$scope.lastDifficulty = $scope.bestStats.block.difficulty;
}
}
}
function forkFilter(node)
{
if( _.isUndefined(node.readable) )
node.readable = {};
node.readable.forkClass = 'hidden';
node.readable.forkMessage = '';
return true;
if( $scope.chains[node.stats.block.number].fork === node.stats.block.fork && $scope.chains[node.stats.block.number].score / $scope.maxScore >= 0.5 )
{
node.readable.forkClass = 'hidden';
node.readable.forkMessage = '';
return true;
}
if( $scope.chains[node.stats.block.number].fork !== node.stats.block.fork )
{
node.readable.forkClass = 'text-danger';
node.readable.forkMessage = 'Wrong chain.<br/>This chain is a fork.';
return false;
}
if( $scope.chains[node.stats.block.number].score / $scope.maxScore < 0.5)
{
node.readable.forkClass = 'text-warning';
node.readable.forkMessage = 'May not be main chain.<br/>Waiting for more confirmations.';
return false;
}
}
function latencyFilter(node)
{
if( _.isUndefined(node.readable) )
node.readable = {};
if( _.isUndefined(node.stats) ) {
node.readable.latencyClass = 'text-danger';
node.readable.latency = 'offline';
}
if (node.stats.active === false)
{
node.readable.latencyClass = 'text-danger';
node.readable.latency = 'offline';
}
else
{
if (node.stats.latency <= 100)
node.readable.latencyClass = 'text-success';
if (node.stats.latency > 100 && node.stats.latency <= 1000)
node.readable.latencyClass = 'text-warning';
if (node.stats.latency > 1000)
node.readable.latencyClass = 'text-danger';
node.readable.latency = node.stats.latency + ' ms';
}
}
});