fcoin/scripts/update.js
2016-01-04 20:13:06 -08:00

60 lines
1.5 KiB
JavaScript

// Update preloader
var assert = require('assert');
var dns = require('dns');
var net = require('net');
var path = require('path');
var bcoin = require('../');
var addrs = bcoin.protocol.network.seeds.slice();
var pool = bcoin.pool({
size: 6,
redundancy: 1,
parallel: 4000,
loadWindow: 750,
createConnection: function() {
console.log('connecting...');
return net.connect(8333, addrs[(Math.random() * addrs.length) | 0]);
}
});
pool.on('error', function() {});
console.log('Updating bcoin preloaded chain...');
pool.on('block', function(block) {
console.log('Got: %s from %s chain len %d orp %d act %d queue %d',
block.hash('hex'),
new Date(block.ts * 1000).toString(),
pool.chain.index.hashes.length,
pool.chain.orphan.count,
pool.request.active,
pool.request.queue.length);
});
pool.on('addr', function(data) {
if (data.port !== 8333) return;
console.log('Found new peer: %s', data.host);
addrs.push(data.address);
});
pool.once('full', finish);
process.once('SIGINT', finish);
var once = false;
function finish() {
if (once)
return;
once = true;
console.log('Done...');
var chain = '// Autogenerated, use scripts/update.js to update\n' +
'module.exports = ' +
JSON.stringify(pool.chain.toJSON(), null, 2) + '\n';
var file =
path.resolve(__dirname, '..', 'lib', 'bcoin', 'protocol', 'preload.js');
require('fs').writeFileSync(file, chain);
pool.destroy();
}