Files
purple-explorer/app.js
T
2020-12-21 18:12:40 -07:00

419 lines
15 KiB
JavaScript

var express = require('express')
, path = require('path')
, nodeapi = require('./lib/nodeapi')
, favicon = require('serve-favicon')
, logger = require('morgan')
, cookieParser = require('cookie-parser')
, bodyParser = require('body-parser')
, settings = require('./lib/settings')
, routes = require('./routes/index')
, lib = require('./lib/explorer')
, db = require('./lib/database')
, package_metadata = require('./package.json')
, locale = require('./lib/locale')
, request = require('postman-request');
var app = express();
// nodeapi
nodeapi.setWalletDetails(settings.wallet);
if (settings.heavy != true) {
nodeapi.setAccess('only', ['getinfo', 'getnetworkhashps', 'getmininginfo','getdifficulty', 'getconnectioncount',
'getmasternodecount', 'getmasternodelist', 'getvotelist', 'getblockcount', 'getblockhash', 'getblock', 'getrawtransaction',
'getpeerinfo', 'gettxoutsetinfo', 'verifymessage']);
} else {
// enable additional heavy api calls
/*
getvote - Returns the current block reward vote setting.
getmaxvote - Returns the maximum allowed vote for the current phase of voting.
getphase - Returns the current voting phase ('Mint', 'Limit' or 'Sustain').
getreward - Returns the current block reward, which has been decided democratically in the previous round of block reward voting.
getnextrewardestimate - Returns an estimate for the next block reward based on the current state of decentralized voting.
getnextrewardwhenstr - Returns string describing how long until the votes are tallied and the next block reward is computed.
getnextrewardwhensec - Same as above, but returns integer seconds.
getsupply - Returns the current money supply.
getmaxmoney - Returns the maximum possible money supply.
*/
nodeapi.setAccess('only', ['getinfo', 'getstakinginfo', 'getnetworkhashps', 'getdifficulty', 'getconnectioncount',
'getmasternodecount', 'getmasternodelist', 'getvotelist', 'getblockcount', 'getblockhash',
'getblock', 'getrawtransaction', 'getmaxmoney', 'getvote', 'getmaxvote', 'getphase', 'getreward', 'getpeerinfo',
'getnextrewardestimate', 'getnextrewardwhenstr', 'getnextrewardwhensec', 'getsupply', 'gettxoutsetinfo', 'verifymessage']);
}
// determine if cors should be enabled
if (settings.usecors == true) {
app.use(function(req, res, next) {
res.header("Access-Control-Allow-Origin", settings.corsorigin);
res.header('Access-Control-Allow-Methods', 'DELETE, PUT, GET, POST');
res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
next();
});
}
// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'pug');
app.use(favicon(path.join(__dirname, settings.favicon)));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
// routes
app.use('/api', nodeapi.app);
app.use('/', routes);
app.use('/ext/getmoneysupply', function(req,res) {
lib.get_supply(function(supply) {
res.setHeader('content-type', 'text/plain');
res.end((supply ? supply.toString() : '0'));
});
});
app.use('/ext/getaddress/:hash', function(req,res){
db.get_address(req.params.hash, false, function(address){
db.get_address_txs_ajax(req.params.hash, 0, settings.txcount, function(txs, count){
if (address) {
var last_txs = [];
for(i=0; i<txs.length; i++){
if(typeof txs[i].txid !== "undefined") {
var out = 0,
vin = 0,
tx_type = 'vout',
row = {};
txs[i].vout.forEach(function (r) {
if (r.addresses == req.params.hash) {
out += r.amount;
}
});
txs[i].vin.forEach(function (s) {
if (s.addresses == req.params.hash) {
vin += s.amount;
}
});
if (vin > out) {
tx_type = 'vin';
}
row['addresses'] = txs[i].txid;
row['type'] = tx_type;
last_txs.push(row);
}
}
var a_ext = {
address: address.a_id,
sent: (address.sent / 100000000),
received: (address.received / 100000000),
balance: (address.balance / 100000000).toString().replace(/(^-+)/mg, ''),
last_txs: last_txs
};
res.send(a_ext);
} else {
res.send({ error: 'address not found.', hash: req.params.hash});
}
});
});
});
app.use('/ext/gettx/:txid', function(req, res) {
var txid = req.params.txid;
db.get_tx(txid, function(tx) {
if (tx) {
lib.get_blockcount(function(blockcount) {
res.send({ active: 'tx', tx: tx, confirmations: settings.confirmations, blockcount: (blockcount ? blockcount : 0)});
});
}
else {
lib.get_rawtransaction(txid, function(rtx) {
if (rtx && rtx.txid) {
lib.prepare_vin(rtx, function(vin) {
lib.prepare_vout(rtx.vout, rtx.txid, vin, ((typeof rtx.vjoinsplit === 'undefined' || rtx.vjoinsplit == null) ? [] : rtx.vjoinsplit), function(rvout, rvin) {
lib.calculate_total(rvout, function(total){
if (!rtx.confirmations > 0) {
var utx = {
txid: rtx.txid,
vin: rvin,
vout: rvout,
total: total.toFixed(8),
timestamp: rtx.time,
blockhash: '-',
blockindex: -1,
};
res.send({ active: 'tx', tx: utx, confirmations: settings.confirmations, blockcount:-1});
} else {
var utx = {
txid: rtx.txid,
vin: rvin,
vout: rvout,
total: total.toFixed(8),
timestamp: rtx.time,
blockhash: rtx.blockhash,
blockindex: rtx.blockheight,
};
lib.get_blockcount(function(blockcount) {
res.send({ active: 'tx', tx: utx, confirmations: settings.confirmations, blockcount: (blockcount ? blockcount : 0)});
});
}
});
});
});
} else {
res.send({ error: 'tx not found.', hash: txid});
}
});
}
});
});
app.use('/ext/getbalance/:hash', function(req,res){
db.get_address(req.params.hash, false, function(address){
if (address) {
res.setHeader('content-type', 'text/plain');
res.end((address.balance / 100000000).toString().replace(/(^-+)/mg, ''));
} else {
res.send({ error: 'address not found.', hash: req.params.hash})
}
});
});
app.use('/ext/getdistribution', function(req,res){
db.get_richlist(settings.coin, function(richlist){
db.get_stats(settings.coin, function(stats){
db.get_distribution(richlist, stats, function(dist){
res.send(dist);
});
});
});
});
app.use('/ext/getcurrentprice', function(req,res){
db.get_stats(settings.coin, function (stats) {
eval('var p_ext = { "last_price_'+settings.markets.exchange.toLowerCase()+'": stats.last_price, "last_price_usd": stats.last_usd_price, }');
res.send(p_ext);
});
});
app.use('/ext/getbasicstats', function(req,res) {
lib.get_blockcount(function(blockcount) {
lib.get_supply(function(supply) {
db.get_stats(settings.coin, function (stats) {
lib.get_masternodecount(function(masternodestotal) {
eval('var p_ext = { "block_count": (blockcount ? blockcount : 0), "money_supply": (supply ? supply : 0), "last_price_'+settings.markets.exchange.toLowerCase()+'": stats.last_price, "last_price_usd": stats.last_usd_price, "masternode_count": masternodestotal.total }');
res.send(p_ext);
});
});
});
});
});
app.use('/ext/getlasttxs/:min', function(req, res) {
var min = req.params.min, start, length;
// split url suffix by forward slash and remove blank entries
var split = req.url.split('/').filter(function(v) { return v; });
// determine how many parameters were passed
switch (split.length) {
case 2:
// capture start and length
start = split[0];
length = split[1];
break;
default:
if (split.length == 1) {
// capture start
start = split[0];
} else if (split.length > 2) {
// capture start and length
start = split[0];
length = split[1];
}
break;
}
// fix parameters
if (typeof length === 'undefined' || isNaN(length) || length > settings.index.last_txs)
length = settings.index.last_txs;
if (typeof start === 'undefined' || isNaN(start) || start < 0)
start = 0;
if (typeof min === 'undefined' || isNaN(min) || min < 0)
min = 0;
else
min = (min * 100000000);
db.get_last_txs(start, length, min, function(data, count) {
res.json({"data":data, "recordsTotal": count, "recordsFiltered": count});
});
});
app.use('/ext/getaddresstxs/:address/:start/:length', function(req,res) {
// fix parameters
if (typeof req.params.length === 'undefined' || isNaN(req.params.length) || req.params.length > settings.txcount)
req.params.length = settings.txcount;
if (typeof req.params.start === 'undefined' || isNaN(req.params.start) || req.params.start < 0)
req.params.start = 0;
if (typeof req.params.min === 'undefined' || isNaN(req.params.min) || req.params.min < 0)
req.params.min = 0;
else
req.params.min = (req.params.min * 100000000);
db.get_address_txs_ajax(req.params.address, req.params.start, req.params.length, function(txs, count) {
var data = [];
for (i = 0; i < txs.length; i++) {
if (typeof txs[i].txid !== "undefined") {
var out = 0;
var vin = 0;
txs[i].vout.forEach(function(r) {
if (r.addresses == req.params.address) {
out += r.amount;
}
});
txs[i].vin.forEach(function(s) {
if (s.addresses == req.params.address) {
vin += s.amount;
}
});
var row = [];
row.push(new Date((txs[i].timestamp) * 1000).toUTCString());
row.push(txs[i].txid);
row.push(out);
row.push(vin);
row.push(txs[i].balance);
data.push(row);
}
}
res.json({"data":data, "recordsTotal": count, "recordsFiltered": count});
});
});
app.post('/address/:hash/claim', function(req, res) {
lib.verify_message(req.body.address, req.body.signature, req.body.message, function(body) {
if (body == false) {
res.json({'status': 'failed', 'error': true, 'message': 'Invalid signature'});
} else if (body == true) {
db.update_label(req.body.address, req.body.message, function() {
res.json({'status': 'success'});
});
} else
res.json({'status': 'failed', 'error': true, 'message': 'There was an error. Check your console.'});
});
});
app.use('/ext/connections', function(req,res){
db.get_peers(function(peers){
res.send({data: peers});
});
});
// locals
app.set('title', settings.title);
app.set('explorer_version', package_metadata.version);
app.set('symbol', settings.symbol);
app.set('coin', settings.coin);
app.set('locale', locale);
app.set('display', settings.display);
app.set('markets', settings.markets);
app.set('twitter', settings.twitter);
app.set('facebook', settings.facebook);
app.set('googleplus', settings.googleplus);
app.set('bitcointalk', settings.bitcointalk);
app.set('github', settings.github);
app.set('slack', settings.slack);
app.set('discord', settings.discord);
app.set('telegram', settings.telegram);
app.set('reddit', settings.reddit);
app.set('youtube', settings.youtube);
app.set('website', settings.website);
app.set('genesis_block', settings.genesis_block);
app.set('index', settings.index);
app.set('use_rpc', settings.use_rpc);
app.set('heavy', settings.heavy);
app.set('save_stats_after_sync_blocks', settings.save_stats_after_sync_blocks);
app.set('lock_during_index', settings.lock_during_index);
app.set('txcount', settings.txcount);
app.set('txcount_per_page', settings.txcount_per_page);
app.set('nethash', settings.nethash);
app.set('nethash_units', settings.nethash_units);
app.set('show_sent_received', settings.show_sent_received);
app.set('logo', settings.logo);
app.set('theme', settings.theme);
app.set('labels', settings.labels);
app.set('homelink', settings.homelink);
app.set('logoheight', settings.logoheight);
app.set('burned_coins', settings.burned_coins);
app.set('api_cmds', settings.api_cmds);
app.set('sticky_header', settings.sticky_header);
app.set('sticky_footer', settings.sticky_footer);
app.set('footer_height_desktop', settings.footer_height_desktop);
app.set('footer_height_tablet', settings.footer_height_tablet);
app.set('footer_height_mobile', settings.footer_height_mobile);
app.set('social_link_percent_height_desktop', settings.social_link_percent_height_desktop);
app.set('social_link_percent_height_tablet', settings.social_link_percent_height_tablet);
app.set('social_link_percent_height_mobile', settings.social_link_percent_height_mobile);
// determine panel offset based on which panels are enabled
var paneltotal=5;
var panelcount=(settings.display.networkpnl > 0 ? 1 : 0)+(settings.display.difficultypnl > 0 ? 1 : 0)+(settings.display.masternodespnl > 0 ? 1 : 0)+(settings.display.coinsupplypnl > 0 ? 1 : 0)+(settings.display.pricepnl > 0 ? 1 : 0);
app.set('paneloffset', paneltotal+1-panelcount);
// determine panel order
var panelorder = new Array();
if (settings.display.networkpnl > 0) panelorder.push({name: 'networkpnl', val: settings.display.networkpnl});
if (settings.display.difficultypnl > 0) panelorder.push({name: 'difficultypnl', val: settings.display.difficultypnl});
if (settings.display.masternodespnl > 0) panelorder.push({name: 'masternodespnl', val: settings.display.masternodespnl});
if (settings.display.coinsupplypnl > 0) panelorder.push({name: 'coinsupplypnl', val: settings.display.coinsupplypnl});
if (settings.display.pricepnl > 0) panelorder.push({name: 'pricepnl', val: settings.display.pricepnl});
panelorder.sort(function(a,b) { return a.val - b.val; });
for (var i=1; i<6; i++) {
app.set('panel'+i.toString(), ((panelorder.length >= i) ? panelorder[i-1].name : ''));
}
// Dynamically populate market names
var market_names = {};
settings.markets.enabled.forEach(function (market) {
// Check if market file exists
if (db.fs.existsSync('./lib/markets/' + market + '.js')) {
// Load market file
var exMarket = require('./lib/markets/' + market);
// Save market_name from market file to settings
eval('market_names.' + market + ' = "' + exMarket.market_name + '";');
}
});
app.set('market_names', market_names);
// catch 404 and forward to error handler
app.use(function(req, res, next) {
var err = new Error('Not Found');
err.status = 404;
next(err);
});
// development error handler
// will print stacktrace
if (app.get('env') === 'development') {
app.use(function(err, req, res, next) {
res.status(err.status || 500);
res.render('error', {
message: err.message,
error: err
});
});
}
// production error handler
// no stacktraces leaked to user
app.use(function(err, req, res, next) {
res.status(err.status || 500);
res.render('error', {
message: err.message,
error: {}
});
});
module.exports = app;