joeuhren
760 lines
22 KiB
JavaScript
760 lines
22 KiB
JavaScript
var mongoose = require('mongoose')
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, Stats = require('../models/stats')
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, Markets = require('../models/markets')
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, Address = require('../models/address')
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, Tx = require('../models/tx')
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, Richlist = require('../models/richlist')
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, Peers = require('../models/peers')
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, Heavy = require('../models/heavy')
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, lib = require('./explorer')
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, settings = require('./settings')
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, poloniex = require('./markets/poloniex')
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, bittrex = require('./markets/bittrex')
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, bleutrade = require('./markets/bleutrade')
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, yobit = require('./markets/yobit')
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, stex = require('./markets/stex')
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, crex = require('./markets/crex')
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, coindesk = require('./apis/coindesk');
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function find_address(hash, caseSensitive, cb) {
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if (caseSensitive) {
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// faster search but only matches exact string including case
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Address.findOne({a_id: hash}, function(err, address) {
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if (address)
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return cb(address);
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else
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return cb();
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});
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} else {
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// slower search but matches exact string ignoring case
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Address.findOne({a_id: {$regex: '^' + hash + '$', $options: 'i'}}, function(err, address) {
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if (address)
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return cb(address);
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else
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return cb();
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});
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}
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}
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function find_richlist(coin, cb) {
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Richlist.findOne({coin: coin}, function(err, richlist) {
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if(richlist) {
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return cb(richlist);
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} else {
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return cb();
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}
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});
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}
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function update_address(hash, txid, amount, type, cb) {
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// Check if address exists
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find_address(hash, true, function(address) {
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if (address) {
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// if coinbase (new coins PoW), update sent only and return cb.
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if ( hash == 'coinbase' ) {
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Address.updateOne({a_id:hash}, {
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sent: address.sent + amount,
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balance: 0,
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}, function() {
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return cb();
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});
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} else {
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// ensure tx doesnt already exist in address.txs
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lib.is_unique(address.txs, txid, function(unique, index) {
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var tx_array = address.txs;
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var received = address.received;
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var sent = address.sent;
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if (type == 'vin') {
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sent = sent + amount;
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} else {
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received = received + amount;
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}
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if (unique == true) {
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tx_array.push({addresses: txid, type: type});
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if ( tx_array.length > settings.txcount ) {
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tx_array.shift();
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}
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Address.updateOne({a_id:hash}, {
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txs: tx_array,
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received: received,
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sent: sent,
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balance: received - sent
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}, function() {
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return cb();
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});
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} else {
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if (type == tx_array[index].type) {
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return cb(); //duplicate
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} else {
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Address.updateOne({a_id:hash}, {
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txs: tx_array,
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received: received,
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sent: sent,
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balance: received - sent
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}, function() {
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return cb();
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});
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}
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}
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});
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}
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} else {
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//new address
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if (type == 'vin') {
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var newAddress = new Address({
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a_id: hash,
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txs: [ {addresses: txid, type: 'vin'} ],
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sent: amount,
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balance: amount,
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});
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} else {
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var newAddress = new Address({
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a_id: hash,
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txs: [ {addresses: txid, type: 'vout'} ],
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received: amount,
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balance: amount,
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});
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}
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newAddress.save(function(err) {
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if (err) {
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return cb(err);
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} else {
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//console.log('address saved: %s', hash);
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//console.log(newAddress);
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return cb();
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}
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});
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}
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});
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}
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function find_tx(txid, cb) {
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Tx.findOne({txid: txid}, function(err, tx) {
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if(tx) {
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return cb(tx);
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} else {
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return cb(null);
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}
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});
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}
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function save_tx(txid, cb) {
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//var s_timer = new Date().getTime();
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lib.get_rawtransaction(txid, function(tx){
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if (tx != 'There was an error. Check your console.') {
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lib.get_block(tx.blockhash, function(block){
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if (block) {
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lib.prepare_vin(tx, function(vin) {
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lib.prepare_vout(tx.vout, txid, vin, ((typeof tx.vjoinsplit === 'undefined' || tx.vjoinsplit == null) ? [] : tx.vjoinsplit), function(vout, nvin) {
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lib.syncLoop(vin.length, function (loop) {
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var i = loop.iteration();
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update_address(nvin[i].addresses, txid, nvin[i].amount, 'vin', function(){
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loop.next();
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});
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}, function(){
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lib.syncLoop(vout.length, function (subloop) {
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var t = subloop.iteration();
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if (vout[t].addresses) {
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update_address(vout[t].addresses, txid, vout[t].amount, 'vout', function(){
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subloop.next();
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});
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} else {
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subloop.next();
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}
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}, function(){
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lib.calculate_total(vout, function(total){
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var newTx = new Tx({
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txid: tx.txid,
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vin: nvin,
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vout: vout,
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total: total.toFixed(8),
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timestamp: tx.time,
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blockhash: tx.blockhash,
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blockindex: block.height,
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});
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newTx.save(function(err) {
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if (err) {
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return cb(err);
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} else {
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//console.log('txid: ');
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return cb();
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}
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});
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});
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});
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});
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});
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});
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} else {
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return cb('block not found: ' + tx.blockhash);
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}
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});
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} else {
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return cb('tx not found: ' + txid);
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}
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});
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}
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function get_market_data(market, cb) {
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switch(market) {
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case 'bittrex':
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bittrex.get_data(settings.markets.coin, settings.markets.exchange, function(err, obj){
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return cb(err, obj);
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});
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break;
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case 'bleutrade':
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bleutrade.get_data(settings.markets.coin, settings.markets.exchange, function(err, obj){
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return cb(err, obj);
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});
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break;
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case 'poloniex':
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poloniex.get_data(settings.markets.coin, settings.markets.exchange, function(err, obj){
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return cb(err, obj);
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});
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break;
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case 'yobit':
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yobit.get_data(settings.markets.coin.toLowerCase(), settings.markets.exchange.toLowerCase(), function(err, obj){
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return cb(err, obj);
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});
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break;
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case 'stex':
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stex.get_data(settings.markets.coin, settings.markets.exchange, settings.markets.stex_id, function(err, obj){
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return cb(err, obj);
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});
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break;
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case 'crex':
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crex.get_data(settings.markets.coin, settings.markets.exchange, function (err, obj) {
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return cb(err, obj);
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});
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break;
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default:
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return cb(null);
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}
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}
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module.exports = {
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// initialize DB
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connect: function(database, cb) {
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mongoose.connect(database, { useNewUrlParser: true, useCreateIndex: true, useUnifiedTopology: true }, function(err) {
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if (err) {
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console.log('Unable to connect to database: %s', database);
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console.log('Aborting');
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process.exit(1);
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}
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//console.log('Successfully connected to MongoDB');
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return cb();
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});
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},
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check_stats: function(coin, cb) {
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Stats.findOne({coin: coin}, function(err, stats) {
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if(stats) {
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// collection exists, now check if it is missing the last_usd_price column
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Stats.findOne({last_usd_price: {$exists: false}}, function(err, stats) {
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if (stats) {
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// the last_usd_price needs to be added to the collection
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Stats.updateOne({coin: coin}, {
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last_usd_price: 0,
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}, function() { return cb(null); });
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}
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});
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return cb(true);
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} else {
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return cb(false);
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}
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});
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},
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get_stats: function(coin, cb) {
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Stats.findOne({coin: coin}, function(err, stats) {
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if(stats) {
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return cb(stats);
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} else {
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return cb(null);
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}
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});
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},
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create_stats: function(coin, cb) {
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var newStats = new Stats({
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coin: coin,
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});
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newStats.save(function(err) {
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if (err) {
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console.log(err);
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return cb();
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} else {
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console.log("initial stats entry created for %s", coin);
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//console.log(newStats);
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return cb();
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}
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});
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},
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get_address: function(hash, caseSensitive, cb) {
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find_address(hash, caseSensitive, function(address){
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return cb(address);
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});
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},
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get_richlist: function(coin, cb) {
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find_richlist(coin, function(richlist){
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return cb(richlist);
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});
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},
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//property: 'received' or 'balance'
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update_richlist: function(list, cb){
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// Create the burn address array so that we omit burned coins from the rich list
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var oBurnAddresses = [];
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for (var x = 0; x < settings.burned_coins.length; x++) {
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oBurnAddresses.push(settings.burned_coins[x].address);
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}
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// always omit the private address from the richlist
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oBurnAddresses.push("private_tx");
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if(list == 'received') {
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Address.find({a_id: { $nin: oBurnAddresses }}).sort({received: 'desc'}).limit(100).exec(function(err, addresses){
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Richlist.updateOne({coin: settings.coin}, {
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received: addresses,
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}, function() {
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return cb();
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});
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});
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} else { //balance
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Address.find({a_id: { $nin: oBurnAddresses }}).sort({balance: 'desc'}).limit(100).exec(function(err, addresses){
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Richlist.updateOne({coin: settings.coin}, {
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balance: addresses,
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}, function() {
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return cb();
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});
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});
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}
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},
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get_tx: function(txid, cb) {
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find_tx(txid, function(tx){
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return cb(tx);
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});
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},
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get_txs: function(block, cb) {
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var txs = [];
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lib.syncLoop(block.tx.length, function (loop) {
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var i = loop.iteration();
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find_tx(block.tx[i], function(tx){
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if (tx) {
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txs.push(tx);
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loop.next();
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} else {
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loop.next();
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}
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})
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}, function(){
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return cb(txs);
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});
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},
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create_tx: function(txid, cb) {
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save_tx(txid, function(err){
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if (err) {
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return cb(err);
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} else {
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//console.log('tx stored: %s', txid);
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return cb();
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}
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});
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},
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create_txs: function(block, cb) {
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lib.syncLoop(block.tx.length, function (loop) {
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var i = loop.iteration();
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save_tx(block.tx[i], function(err){
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if (err) {
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loop.next();
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} else {
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//console.log('tx stored: %s', block.tx[i]);
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loop.next();
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}
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});
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}, function(){
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return cb();
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});
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},
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get_last_txs: function(count, min, cb) {
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Tx.find({'total': {$gt: min}, $where: "this.vout.length > 0"}).sort({_id: 'desc'}).limit(count).exec(function(err, txs){
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if (err) {
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return cb(err);
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} else {
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return cb(txs);
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}
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});
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},
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create_market: function(coin, exchange, market, cb) {
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var newMarkets = new Markets({
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market: market,
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coin: coin,
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exchange: exchange,
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});
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newMarkets.save(function(err) {
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if (err) {
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console.log(err);
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return cb();
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} else {
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console.log("initial markets entry created for %s", market);
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//console.log(newMarkets);
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return cb();
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}
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});
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},
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// checks market data exists for given market
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check_market: function(market, cb) {
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Markets.findOne({market: market}, function(err, exists) {
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if(exists) {
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return cb(market, true);
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} else {
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return cb(market, false);
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}
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});
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},
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// gets market data for given market
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get_market: function(market, cb) {
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Markets.findOne({market: market}, function(err, data) {
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if(data) {
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return cb(data);
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} else {
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return cb(null);
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}
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});
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},
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// creates initial richlist entry in database; called on first launch of explorer
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create_richlist: function(coin, cb) {
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var newRichlist = new Richlist({
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coin: coin,
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});
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newRichlist.save(function(err) {
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if (err) {
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console.log(err);
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return cb();
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} else {
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console.log("initial richlist entry created for %s", coin);
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//console.log(newRichlist);
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return cb();
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}
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});
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},
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// checks richlist data exists for given coin
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check_richlist: function(coin, cb) {
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Richlist.findOne({coin: coin}, function(err, exists) {
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if(exists) {
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return cb(true);
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} else {
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return cb(false);
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}
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});
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},
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create_heavy: function(coin, cb) {
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var newHeavy = new Heavy({
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coin: coin,
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});
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newHeavy.save(function(err) {
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if (err) {
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console.log(err);
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return cb();
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} else {
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console.log("initial heavy entry created for %s", coin);
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console.log(newHeavy);
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return cb();
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}
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});
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},
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check_heavy: function(coin, cb) {
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Heavy.findOne({coin: coin}, function(err, exists) {
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if(exists) {
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return cb(true);
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} else {
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return cb(false);
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}
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});
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},
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get_heavy: function(coin, cb) {
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Heavy.findOne({coin: coin}, function(err, heavy) {
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if(heavy) {
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return cb(heavy);
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} else {
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return cb(null);
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}
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});
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},
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get_distribution: function(richlist, stats, cb){
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var distribution = {
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supply: stats.supply,
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t_1_25: {percent: 0, total: 0 },
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t_26_50: {percent: 0, total: 0 },
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t_51_75: {percent: 0, total: 0 },
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t_76_100: {percent: 0, total: 0 },
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t_101plus: {percent: 0, total: 0 }
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};
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lib.syncLoop(richlist.balance.length, function (loop) {
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var i = loop.iteration();
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var count = i + 1;
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var percentage = ((richlist.balance[i].balance / 100000000) / stats.supply) * 100;
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if (count <= 25 ) {
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distribution.t_1_25.percent = distribution.t_1_25.percent + percentage;
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distribution.t_1_25.total = distribution.t_1_25.total + (richlist.balance[i].balance / 100000000);
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}
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if (count <= 50 && count > 25) {
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distribution.t_26_50.percent = distribution.t_26_50.percent + percentage;
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distribution.t_26_50.total = distribution.t_26_50.total + (richlist.balance[i].balance / 100000000);
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}
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if (count <= 75 && count > 50) {
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distribution.t_51_75.percent = distribution.t_51_75.percent + percentage;
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distribution.t_51_75.total = distribution.t_51_75.total + (richlist.balance[i].balance / 100000000);
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}
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if (count <= 100 && count > 75) {
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distribution.t_76_100.percent = distribution.t_76_100.percent + percentage;
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distribution.t_76_100.total = distribution.t_76_100.total + (richlist.balance[i].balance / 100000000);
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}
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loop.next();
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}, function(){
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distribution.t_101plus.percent = parseFloat(100 - distribution.t_76_100.percent - distribution.t_51_75.percent - distribution.t_26_50.percent - distribution.t_1_25.percent).toFixed(2);
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distribution.t_101plus.total = parseFloat(distribution.supply - distribution.t_76_100.total - distribution.t_51_75.total - distribution.t_26_50.total - distribution.t_1_25.total).toFixed(8);
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distribution.t_1_25.percent = parseFloat(distribution.t_1_25.percent).toFixed(2);
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distribution.t_1_25.total = parseFloat(distribution.t_1_25.total).toFixed(8);
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distribution.t_26_50.percent = parseFloat(distribution.t_26_50.percent).toFixed(2);
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distribution.t_26_50.total = parseFloat(distribution.t_26_50.total).toFixed(8);
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distribution.t_51_75.percent = parseFloat(distribution.t_51_75.percent).toFixed(2);
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distribution.t_51_75.total = parseFloat(distribution.t_51_75.total).toFixed(8);
|
|
distribution.t_76_100.percent = parseFloat(distribution.t_76_100.percent).toFixed(2);
|
|
distribution.t_76_100.total = parseFloat(distribution.t_76_100.total).toFixed(8);
|
|
return cb(distribution);
|
|
});
|
|
},
|
|
// updates heavy stats for coin
|
|
// height: current block height, count: amount of votes to store
|
|
update_heavy: function(coin, height, count, cb) {
|
|
var newVotes = [];
|
|
lib.get_maxmoney( function (maxmoney) {
|
|
lib.get_maxvote( function (maxvote) {
|
|
lib.get_vote( function (vote) {
|
|
lib.get_phase( function (phase) {
|
|
lib.get_reward( function (reward) {
|
|
lib.get_supply( function (supply) {
|
|
lib.get_estnext( function (estnext) {
|
|
lib.get_nextin( function (nextin) {
|
|
lib.syncLoop(count, function (loop) {
|
|
var i = loop.iteration();
|
|
lib.get_blockhash(height-i, function (hash) {
|
|
lib.get_block(hash, function (block) {
|
|
newVotes.push({count:height-i,reward:block.reward,vote:block.vote});
|
|
loop.next();
|
|
});
|
|
});
|
|
}, function(){
|
|
console.log(newVotes);
|
|
Heavy.updateOne({coin: coin}, {
|
|
lvote: vote,
|
|
reward: reward,
|
|
supply: supply,
|
|
cap: maxmoney,
|
|
estnext: estnext,
|
|
phase: phase,
|
|
maxvote: maxvote,
|
|
nextin: nextin,
|
|
votes: newVotes,
|
|
}, function() {
|
|
//console.log('address updated: %s', hash);
|
|
return cb();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
},
|
|
|
|
// updates market data for given market; called by sync.js
|
|
update_markets_db: function(market, cb) {
|
|
get_market_data(market, function (err, obj) {
|
|
if (err == null) {
|
|
Markets.updateOne({market:market}, {
|
|
chartdata: JSON.stringify(obj.chartdata),
|
|
buys: obj.buys,
|
|
sells: obj.sells,
|
|
history: obj.trades,
|
|
summary: obj.stats,
|
|
}, function() {
|
|
if ( market == settings.markets.default ) {
|
|
Stats.updateOne({coin:settings.coin}, {
|
|
last_price: obj.stats.last,
|
|
}, function(){
|
|
return cb(null);
|
|
});
|
|
} else {
|
|
return cb(null);
|
|
}
|
|
});
|
|
} else {
|
|
return cb(err);
|
|
}
|
|
});
|
|
},
|
|
|
|
get_last_usd_price: function(cb) {
|
|
// Check if the market price is being recorded in BTC
|
|
if (settings.markets.enabled.length > 0 && settings.markets.exchange.toLowerCase() == "btc") {
|
|
// Convert btc to usd via coindesk api
|
|
coindesk.get_data(function (err, last_usd) {
|
|
// Get current stats
|
|
Stats.findOne({coin:settings.coin}, function(err, stats) {
|
|
// Update the last usd price
|
|
Stats.updateOne({coin:settings.coin}, {
|
|
last_usd_price: (last_usd * stats.last_price),
|
|
}, function(){
|
|
return cb(null);
|
|
});
|
|
});
|
|
});
|
|
} else {
|
|
return cb(null);
|
|
}
|
|
},
|
|
|
|
// updates stats data for given coin; called by sync.js
|
|
update_db: function(coin, cb) {
|
|
lib.get_blockcount( function (count) {
|
|
if (!count){
|
|
console.log('Unable to connect to explorer API');
|
|
return cb(false);
|
|
}
|
|
lib.get_supply( function (supply){
|
|
lib.get_connectioncount(function (connections) {
|
|
Stats.updateOne({coin: coin}, {
|
|
coin: coin,
|
|
count : count,
|
|
supply: supply,
|
|
connections: connections,
|
|
}, function() {
|
|
return cb(true);
|
|
});
|
|
});
|
|
});
|
|
});
|
|
},
|
|
|
|
// updates tx, address & richlist db's; called by sync.js
|
|
update_tx_db: function(coin, start, end, timeout, cb) {
|
|
var complete = false;
|
|
if (start < 1) start = 1; // fix for invalid block height (skip genesis block as it should not have valid txs)
|
|
lib.syncLoop((end - start) + 1, function (loop) {
|
|
var x = loop.iteration();
|
|
if (x % 5000 === 0) {
|
|
Tx.find({}).where('blockindex').lt(start + x).sort({timestamp: 'desc'}).limit(settings.index.last_txs).exec(function(err, txs){
|
|
Stats.updateOne({coin: coin}, {
|
|
last: start + x - 1,
|
|
last_txs: '' //not used anymore left to clear out existing objects
|
|
}, function() {});
|
|
});
|
|
}
|
|
lib.get_blockhash(start + x, function(blockhash){
|
|
if (blockhash) {
|
|
lib.get_block(blockhash, function(block) {
|
|
if (block) {
|
|
lib.syncLoop(block.tx.length, function (subloop) {
|
|
var i = subloop.iteration();
|
|
Tx.findOne({txid: block.tx[i]}, function(err, tx) {
|
|
if(tx) {
|
|
tx = null;
|
|
subloop.next();
|
|
} else {
|
|
save_tx(block.tx[i], function(err){
|
|
if (err) {
|
|
console.log(err);
|
|
} else {
|
|
console.log('%s: %s', block.height, block.tx[i]);
|
|
}
|
|
setTimeout( function(){
|
|
tx = null;
|
|
subloop.next();
|
|
}, timeout);
|
|
});
|
|
}
|
|
});
|
|
}, function(){
|
|
blockhash = null;
|
|
block = null;
|
|
loop.next();
|
|
});
|
|
} else {
|
|
console.log('block not found: %s', blockhash);
|
|
loop.next();
|
|
}
|
|
});
|
|
} else {
|
|
loop.next();
|
|
}
|
|
});
|
|
}, function(){
|
|
Tx.find({}).sort({timestamp: 'desc'}).limit(settings.index.last_txs).exec(function(err, txs){
|
|
Stats.updateOne({coin: coin}, {
|
|
last: end,
|
|
last_txs: '' //not used anymore left to clear out existing objects
|
|
}, function() {
|
|
return cb();
|
|
});
|
|
});
|
|
});
|
|
},
|
|
|
|
create_peer: function(params, cb) {
|
|
var newPeer = new Peers(params);
|
|
newPeer.save(function(err) {
|
|
if (err) {
|
|
console.log(err);
|
|
return cb();
|
|
} else {
|
|
return cb();
|
|
}
|
|
});
|
|
},
|
|
|
|
find_peer: function(address, cb) {
|
|
Peers.findOne({address: address}, function(err, peer) {
|
|
if (err) {
|
|
return cb(null);
|
|
} else {
|
|
if (peer) {
|
|
return cb(peer);
|
|
} else {
|
|
return cb (null)
|
|
}
|
|
}
|
|
})
|
|
},
|
|
|
|
get_peers: function(cb) {
|
|
Peers.find({}, function(err, peers) {
|
|
if (err) {
|
|
return cb([]);
|
|
} else {
|
|
return cb(peers);
|
|
}
|
|
});
|
|
}
|
|
};
|