Joe Uhren
40d367510d
-URL encoding the mongo username and password helps prevent connection issues when using certain special characters such as % or @ for example
636 lines
28 KiB
JavaScript
636 lines
28 KiB
JavaScript
var mongoose = require('mongoose'),
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lib = require('../lib/explorer'),
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db = require('../lib/database'),
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Tx = require('../models/tx'),
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Address = require('../models/address'),
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AddressTx = require('../models/addresstx'),
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Richlist = require('../models/richlist'),
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Stats = require('../models/stats'),
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settings = require('../lib/settings');
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var mode = 'update';
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var database = 'index';
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var block_start = 1;
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var lockCreated = false;
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// displays usage and exits
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function usage() {
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console.log('Usage: /path/to/node scripts/sync.js [mode]');
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console.log('');
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console.log('Mode: (required)');
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console.log('update Updates index from last sync to current block');
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console.log('check Checks index for (and adds) any missing transactions/addresses');
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console.log(' Optional parameter: block number to start checking from');
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console.log('reindex Clears index then resyncs from genesis to current block');
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console.log('reindex-rich Clears and recreates the richlist data');
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console.log('reindex-txcount Rescan and flatten the tx count value for faster access');
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console.log('reindex-last Rescan and flatten the last blockindex value for faster access');
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console.log('market Updates market summaries, orderbooks, trade history + charts');
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console.log('peers Updates peer info based on local wallet connections');
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console.log('masternodes Updates the list of active masternodes on the network');
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console.log('');
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console.log('Notes:');
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console.log('- \'current block\' is the latest created block when script is executed.');
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console.log('- The market + peers databases only support (& defaults to) reindex mode.');
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console.log('- If check mode finds missing data (other than new data since last sync),');
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console.log(' this likely means that sync.update_timeout in settings.json is set too low.');
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console.log('');
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process.exit(100);
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}
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// exit function used to cleanup before finishing script
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function exit(exitCode) {
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// always disconnect mongo connection
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mongoose.disconnect();
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// only remove sync lock if it was created in this session
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if (!lockCreated || lib.remove_lock(database) == true) {
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// clean exit with previous exit code
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process.exit(exitCode);
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} else {
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// error removing lock
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process.exit(1);
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}
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}
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function update_heavy(coin, height, count, heavycoin_enabled, cb) {
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if (heavycoin_enabled == true) {
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db.update_heavy(coin, height, count, function() {
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return cb(true);
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});
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} else
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return cb(false);
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}
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function update_network_history(height, network_history_enabled, cb) {
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if (network_history_enabled == true) {
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db.update_network_history(height, function() {
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return cb(true);
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});
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} else
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return cb(false);
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}
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function check_show_sync_message(blocks_to_sync) {
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var retVal = false;
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var filePath = './tmp/show_sync_message.tmp';
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// Check if the sync msg should be shown
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if (blocks_to_sync > settings.sync.show_sync_msg_when_syncing_more_than_blocks) {
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// Check if the show sync stub file already exists
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if (!db.fs.existsSync(filePath)) {
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// File doesn't exist, so create it now
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db.fs.writeFileSync(filePath, '');
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}
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retVal = true;
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}
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return retVal;
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}
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function get_last_usd_price() {
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// get the last usd price for coinstats
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db.get_last_usd_price(function(err) {
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// check for errors
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if (err == null) {
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// update markets_last_updated value
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db.update_last_updated_stats(settings.coin.name, { markets_last_updated: Math.floor(new Date() / 1000) }, function(cb) {
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console.log('Market sync complete');
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exit(0);
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});
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} else {
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// display error msg
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console.log('Error: %s', err);
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exit(1);
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}
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});
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}
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/** Function that count occurrences of a substring in a string;
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* @param {String} string The string
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* @param {String} subString The sub string to search for
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* @param {Boolean} [allowOverlapping] Optional. (Default:false)
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*
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* @author Vitim.us https://gist.github.com/victornpb/7736865
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* @see Unit Test https://jsfiddle.net/Victornpb/5axuh96u/
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* @see http://stackoverflow.com/questions/4009756/how-to-count-string-occurrence-in-string/7924240#7924240
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*/
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function occurrences(string, subString, allowOverlapping) {
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string += "";
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subString += "";
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if (subString.length <= 0) return (string.length + 1);
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var n = 0,
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pos = 0,
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step = allowOverlapping ? 1 : subString.length;
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while (true) {
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pos = string.indexOf(subString, pos);
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if (pos >= 0) {
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++n;
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pos += step;
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} else break;
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}
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return n;
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}
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// check options
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if (process.argv[2] == null || process.argv[2] == 'index' || process.argv[2] == 'update') {
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mode = null;
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switch (process.argv[3]) {
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case undefined:
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case null:
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case 'update':
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mode = 'update';
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break;
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case 'check':
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mode = 'check';
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// check if the block start value was passed in and is an integer
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if (!isNaN(process.argv[4]) && Number.isInteger(parseFloat(process.argv[4]))) {
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// Check if the block start value is less than 1
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if (parseInt(process.argv[4]) < 1)
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block_start = 1;
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else
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block_start = parseInt(process.argv[4]);
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}
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break;
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case 'reindex':
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// check if readlinesync module is installed
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if (!db.fs.existsSync('./node_modules/readline-sync')) {
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const { execSync } = require('child_process');
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console.log('Installing missing packages.. Please wait..');
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// install updated packages
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execSync('npm update');
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}
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const readlineSync = require('readline-sync');
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console.log('You are about to delete all blockchain data (transactions and addresses)');
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console.log('and resync from the genesis block.');
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// prompt for the reindex
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if (readlineSync.keyInYN('Are you sure you want to do this? ')) {
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// set mode to 'reindex'
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mode = 'reindex';
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} else {
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console.log('Process aborted. Nothing was deleted');
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exit(2);
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}
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break;
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case 'reindex-rich':
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mode = 'reindex-rich';
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break;
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case 'reindex-txcount':
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mode = 'reindex-txcount';
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break;
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case 'reindex-last':
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mode = 'reindex-last';
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break;
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default:
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usage();
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}
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} else if (process.argv[2] == 'peers' || process.argv[2] == 'masternodes')
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database = process.argv[2];
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else if (process.argv[2] == 'market')
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database = `${process.argv[2]}s`;
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else
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usage();
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// check if this sync option is already running/locked
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if (lib.is_locked([database]) == false) {
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// create a new sync lock before checking the rest of the locks to minimize problems with running scripts at the same time
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lib.create_lock(database);
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// ensure the lock will be deleted on exit
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lockCreated = true;
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// check the backup, restore and delete locks since those functions would be problematic when updating data
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if (lib.is_locked(['backup', 'restore', 'delete']) == false) {
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// all tests passed. OK to run sync
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console.log("Script launched with pid: " + process.pid);
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if (mode == 'update')
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console.log(`Syncing ${(database == 'index' ? 'blocks' : database)}.. Please wait..`);
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var dbString = 'mongodb://' + encodeURIComponent(settings.dbsettings.user);
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dbString = dbString + ':' + encodeURIComponent(settings.dbsettings.password);
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dbString = dbString + '@' + settings.dbsettings.address;
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dbString = dbString + ':' + settings.dbsettings.port;
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dbString = dbString + '/' + settings.dbsettings.database;
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mongoose.connect(dbString, function(err) {
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if (err) {
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console.log('Error: Unable to connect to database: %s', dbString);
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exit(1);
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} else if (database == 'index') {
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db.check_stats(settings.coin.name, function(exists) {
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if (exists == false) {
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console.log('Run \'npm start\' to create database structures before running this script.');
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exit(1);
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} else {
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db.update_db(settings.coin.name, function(stats) {
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// check if stats returned properly
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if (stats !== false) {
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// determine which index mode to run
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if (mode == 'reindex') {
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console.log('Deleting transactions.. Please wait..');
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Tx.deleteMany({}, function(err) {
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console.log('Transactions deleted successfully');
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console.log('Deleting addresses.. Please wait..');
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Address.deleteMany({}, function(err2) {
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console.log('Addresses deleted successfully');
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console.log('Deleting address transactions.. Please wait..');
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AddressTx.deleteMany({}, function(err3) {
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console.log('Address transactions deleted successfully');
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console.log('Deleting top 100 data.. Please wait..');
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Richlist.updateOne({coin: settings.coin.name}, {
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received: [],
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balance: []
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}, function(err3) {
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console.log('Top 100 data deleted successfully');
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console.log('Deleting block index.. Please wait..');
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Stats.updateOne({coin: settings.coin.name}, {
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last: 0,
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count: 0,
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supply: 0,
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txes: 0,
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blockchain_last_updated: 0,
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richlist_last_updated: 0
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}, function() {
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console.log('Block index deleted successfully');
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// Check if the sync msg should be shown
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check_show_sync_message(stats.count);
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console.log('Starting resync of blockchain data.. Please wait..');
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db.update_tx_db(settings.coin.name, block_start, stats.count, stats.txes, settings.sync.update_timeout, false, function() {
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// update blockchain_last_updated value
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db.update_last_updated_stats(settings.coin.name, { blockchain_last_updated: Math.floor(new Date() / 1000) }, function(cb) {
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db.update_richlist('received', function() {
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db.update_richlist('balance', function() {
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// update richlist_last_updated value
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db.update_last_updated_stats(settings.coin.name, { richlist_last_updated: Math.floor(new Date() / 1000) }, function(cb) {
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db.get_stats(settings.coin.name, function(nstats) {
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// check for and update heavycoin data if applicable
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update_heavy(settings.coin.name, stats.count, 20, settings.blockchain_specific.heavycoin.enabled, function(heavy) {
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// check for and update network history data if applicable
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update_network_history(nstats.last, settings.network_history.enabled, function(network_hist) {
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// always check for and remove the sync msg if exists
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db.remove_sync_message();
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console.log('Reindex complete (block: %s)', nstats.last);
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exit(0);
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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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});
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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 if (mode == 'check') {
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console.log('Checking blocks.. Please wait..');
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db.update_tx_db(settings.coin.name, block_start, stats.count, stats.txes, settings.sync.check_timeout, true, function() {
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db.get_stats(settings.coin.name, function(nstats) {
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console.log('Block check complete (block: %s)', nstats.last);
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exit(0);
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});
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});
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} else if (mode == 'update') {
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// Get the last synced block index value
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var last = (stats.last ? stats.last : 0);
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// Get the total number of blocks
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var count = (stats.count ? stats.count : 0);
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// Check if the sync msg should be shown
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check_show_sync_message(count - last);
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db.update_tx_db(settings.coin.name, last, count, stats.txes, settings.sync.update_timeout, false, function() {
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// update blockchain_last_updated value
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db.update_last_updated_stats(settings.coin.name, { blockchain_last_updated: Math.floor(new Date() / 1000) }, function(cb) {
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db.update_richlist('received', function() {
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db.update_richlist('balance', function() {
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// update richlist_last_updated value
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db.update_last_updated_stats(settings.coin.name, { richlist_last_updated: Math.floor(new Date() / 1000) }, function(cb) {
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db.get_stats(settings.coin.name, function(nstats) {
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// check for and update heavycoin data if applicable
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update_heavy(settings.coin.name, stats.count, 20, settings.blockchain_specific.heavycoin.enabled, function(heavy) {
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// check for and update network history data if applicable
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update_network_history(nstats.last, settings.network_history.enabled, function(network_hist) {
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// always check for and remove the sync msg if exists
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db.remove_sync_message();
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console.log('Block update complete (block: %s)', nstats.last);
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exit(0);
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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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});
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} else if (mode == 'reindex-rich') {
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console.log('Check richlist');
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db.check_richlist(settings.coin.name, function(exists) {
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if (exists)
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console.log('Richlist entry found, deleting now..');
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db.delete_richlist(settings.coin.name, function(deleted) {
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if (deleted)
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console.log('Richlist entry deleted');
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db.create_richlist(settings.coin.name, false, function() {
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console.log('Richlist created');
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db.update_richlist('received', function() {
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console.log('Richlist updated received');
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db.update_richlist('balance', function() {
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// update richlist_last_updated value
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db.update_last_updated_stats(settings.coin.name, { richlist_last_updated: Math.floor(new Date() / 1000) }, function(cb) {
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console.log('Richlist update complete');
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exit(0);
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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 if (mode == 'reindex-txcount') {
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console.log('Calculating tx count.. Please wait..');
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// Resetting the transaction counter requires a single lookup on the txes collection to find all txes that have a positive or zero total and 1 or more vout
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Tx.find({'total': {$gte: 0}, 'vout': { $gte: { $size: 1 }}}).countDocuments(function(err, count) {
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console.log('Found tx count: ' + count.toString());
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Stats.updateOne({coin: settings.coin.name}, {
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txes: count
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}, function() {
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console.log('Tx count update complete');
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exit(0);
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});
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});
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} else if (mode == 'reindex-last') {
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console.log('Finding last blockindex.. Please wait..');
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// Resetting the last blockindex counter requires a single lookup on the txes collection to find the last indexed blockindex
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Tx.find({}, {blockindex:1, _id:0}).sort({blockindex: -1}).limit(1).exec(function(err, tx) {
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// check if any blocks exists
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if (err != null || tx == null || tx.length == 0) {
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console.log('No blocks found. setting last blockindex to 0.');
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Stats.updateOne({coin: settings.coin.name}, {
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last: 0
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}, function() {
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console.log('Last blockindex update complete');
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exit(0);
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});
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} else {
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console.log('Found last blockindex: ' + tx[0].blockindex.toString());
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Stats.updateOne({coin: settings.coin.name}, {
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last: tx[0].blockindex
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}, function() {
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console.log('Last blockindex update complete');
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exit(0);
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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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// update_db threw an error so exit
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exit(1);
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}
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});
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}
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});
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} else if (database == 'peers') {
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lib.get_peerinfo(function(body) {
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if (body != null) {
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lib.syncLoop(body.length, function(loop) {
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var i = loop.iteration();
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var address = body[i].addr;
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var port = null;
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if (occurrences(address, ':') == 1 || occurrences(address, ']:') == 1) {
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// Separate the port # from the IP address
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address = address.substring(0, address.lastIndexOf(":")).replace("[", "").replace("]", "");
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port = body[i].addr.substring(body[i].addr.lastIndexOf(":") + 1);
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}
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if (address.indexOf("]") > -1) {
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// Remove [] characters from IPv6 addresses
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address = address.replace("[", "").replace("]", "");
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}
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db.find_peer(address, function(peer) {
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if (peer) {
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if ((peer['port'] != null && (isNaN(peer['port']) || peer['port'].length < 2)) || peer['country'].length < 1 || peer['country_code'].length < 1) {
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db.drop_peers(function() {
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console.log('Saved peers missing ports or country, dropping peers. Re-run this script afterwards.');
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exit(1);
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});
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}
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// peer already exists
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console.log('Updated peer %s [%s/%s]', address, (i + 1).toString(), body.length.toString());
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loop.next();
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} else {
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const rateLimitLib = require('../lib/ratelimit');
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const rateLimit = new rateLimitLib.RateLimit(1, 2000, false);
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rateLimit.schedule(function() {
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lib.get_geo_location(address, function(error, geo) {
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// check if an error was returned
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if (error) {
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console.log(error);
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exit(1);
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} else if (geo == null || typeof geo != 'object') {
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console.log('Error: geolocation api did not return a valid object');
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exit(1);
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} else {
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// add peer to collection
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db.create_peer({
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address: address,
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port: port,
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protocol: body[i].version,
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version: body[i].subver.replace('/', '').replace('/', ''),
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country: geo.country_name,
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country_code: geo.country_code
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}, function() {
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console.log('Added new peer %s [%s/%s]', address, (i + 1).toString(), body.length.toString());
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loop.next();
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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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}, function() {
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// update network_last_updated value
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db.update_last_updated_stats(settings.coin.name, { network_last_updated: Math.floor(new Date() / 1000) }, function(cb) {
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console.log('Peer sync complete');
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exit(0);
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});
|
|
});
|
|
} else {
|
|
console.log('No peers found');
|
|
exit(2);
|
|
}
|
|
});
|
|
} else if (database == 'masternodes') {
|
|
lib.get_masternodelist(function(body) {
|
|
if (body != null) {
|
|
var isObject = false;
|
|
var objectKeys = null;
|
|
|
|
// Check if the masternode data is an array or an object
|
|
if (body.length == null) {
|
|
// Process data as an object
|
|
objectKeys = Object.keys(body);
|
|
isObject = true;
|
|
}
|
|
|
|
lib.syncLoop((isObject ? objectKeys : body).length, function(loop) {
|
|
var i = loop.iteration();
|
|
|
|
db.save_masternode((isObject ? body[objectKeys[i]] : body[i]), function(success) {
|
|
if (success)
|
|
loop.next();
|
|
else {
|
|
console.log('Error: Cannot save masternode %s.', (isObject ? (body[objectKeys[i]].payee ? body[objectKeys[i]].payee : 'UNKNOWN') : (body[i].addr ? body[i].addr : 'UNKNOWN')));
|
|
exit(1);
|
|
}
|
|
});
|
|
}, function() {
|
|
db.remove_old_masternodes(function(cb) {
|
|
db.update_last_updated_stats(settings.coin.name, { masternodes_last_updated: Math.floor(new Date() / 1000) }, function(cb) {
|
|
console.log('Masternode sync complete');
|
|
exit(0);
|
|
});
|
|
});
|
|
});
|
|
} else {
|
|
console.log('No masternodes found');
|
|
exit(2);
|
|
}
|
|
});
|
|
} else {
|
|
// check if market feature is enabled
|
|
if (settings.markets_page.enabled == true) {
|
|
var complete = 0;
|
|
var total_pairs = 0;
|
|
var exchanges = Object.keys(settings.markets_page.exchanges);
|
|
|
|
// loop through all exchanges to determine how many trading pairs must be updated
|
|
exchanges.forEach(function(key, index, map) {
|
|
// check if market is enabled via settings
|
|
if (settings.markets_page.exchanges[key].enabled == true) {
|
|
// check if market is installed/supported
|
|
if (db.fs.existsSync('./lib/markets/' + key + '.js')) {
|
|
// add trading pairs to total
|
|
total_pairs += settings.markets_page.exchanges[key].trading_pairs.length;
|
|
|
|
// loop through all trading pairs for this market
|
|
for (var i = 0; i < settings.markets_page.exchanges[key].trading_pairs.length; i++) {
|
|
// ensure trading pair setting is always uppercase
|
|
settings.markets_page.exchanges[key].trading_pairs[i] = settings.markets_page.exchanges[key].trading_pairs[i].toUpperCase();
|
|
}
|
|
}
|
|
}
|
|
});
|
|
|
|
// check if there are any trading pairs to update
|
|
if (total_pairs > 0) {
|
|
// initialize the rate limiter to wait 2 seconds between requests to prevent abusing external apis
|
|
var rateLimitLib = require('../lib/ratelimit');
|
|
var rateLimit = new rateLimitLib.RateLimit(1, 2000, false);
|
|
// loop through and test all exchanges defined in the settings.json file
|
|
exchanges.forEach(function(key, index, map) {
|
|
// check if market is enabled via settings
|
|
if (settings.markets_page.exchanges[key].enabled == true) {
|
|
// check if market is installed/supported
|
|
if (db.fs.existsSync('./lib/markets/' + key + '.js')) {
|
|
// loop through all trading pairs
|
|
settings.markets_page.exchanges[key].trading_pairs.forEach(function(pair_key, pair_index, pair_map) {
|
|
// split the pair data
|
|
var split_pair = pair_key.split('/');
|
|
// check if this is a valid trading pair
|
|
if (split_pair.length == 2) {
|
|
// lookup the exchange in the market collection
|
|
db.check_market(key, split_pair[0], split_pair[1], function(mkt, exists) {
|
|
// check if exchange trading pair exists in the market collection
|
|
if (exists) {
|
|
// automatically pause for 2 seconds in between requests
|
|
rateLimit.schedule(function() {
|
|
// update market data
|
|
db.update_markets_db(key, split_pair[0], split_pair[1], function(err) {
|
|
if (!err) {
|
|
console.log('%s[%s]: Market data updated successfully.', key, pair_key);
|
|
complete++;
|
|
|
|
if (complete == total_pairs)
|
|
get_last_usd_price();
|
|
} else {
|
|
console.log('%s[%s] Error: %s', key, pair_key, err);
|
|
complete++;
|
|
|
|
if (complete == total_pairs)
|
|
get_last_usd_price();
|
|
}
|
|
});
|
|
});
|
|
} else {
|
|
console.log('Error: Entry for %s[%s] does not exist in markets database.', key, pair_key);
|
|
complete++;
|
|
if (complete == total_pairs)
|
|
get_last_usd_price();
|
|
}
|
|
});
|
|
}
|
|
});
|
|
} else {
|
|
// market not installed
|
|
console.log('%s market not installed', key);
|
|
complete++;
|
|
|
|
if (complete == total_pairs)
|
|
get_last_usd_price();
|
|
}
|
|
}
|
|
});
|
|
} else {
|
|
// no market trading pairs are enabled
|
|
console.log('Error: No market trading pairs are enabled in settings');
|
|
exit(1);
|
|
}
|
|
} else {
|
|
// market page is not enabled
|
|
console.log('Error: Market feature is disabled in settings');
|
|
exit(1);
|
|
}
|
|
}
|
|
});
|
|
} else {
|
|
// another script process is currently running
|
|
console.log("Sync aborted");
|
|
exit(2);
|
|
}
|
|
} else {
|
|
// sync process is already running
|
|
console.log("Sync aborted");
|
|
exit(2);
|
|
} |