flocore-node/lib/scaffold/default-config.js
2017-08-09 12:51:18 -04:00

101 lines
2.8 KiB
JavaScript

'use strict';
var path = require('path');
var mkdirp = require('mkdirp');
var fs = require('fs');
var packageJson = require('../../package');
function getMajorVersion(versionString) {
return parseInt(versionString.split('.')[0]);
}
/**
* Will return the path and default bitcore-node configuration. It will search for the
* configuration file in the "~/.bitcore" directory, and if it doesn't exist, it will create one
* based on default settings.
* @param {Object} [options]
* @param {Array} [options.additionalServices] - An optional array of services.
*/
function getDefaultConfig(options) {
/* jshint maxstatements: 40 */
if (!options) {
options = {};
}
var defaultPath = path.resolve(process.env.HOME, './.bitcore');
var defaultConfigFile = path.resolve(defaultPath, './bitcore-node.json');
if (!fs.existsSync(defaultPath)) {
mkdirp.sync(defaultPath);
}
if (fs.existsSync(defaultConfigFile)) {
var currentConfig = require(defaultConfigFile);
// config must have a `version` field with major equal to package major version
if(currentConfig.version && getMajorVersion(packageJson.version) === getMajorVersion(currentConfig.version)) {
return {
path: defaultPath,
config: currentConfig
};
}
console.log(`The configuration file at '${defaultConfigFile}' is incompatible with this version of Bitcore.`);
var now = new Date();
// bitcore-node.YYYY-MM-DD.UnixTimestamp.json
var backupFileName = `bitcore-node.${now.getUTCFullYear()}-${now.getUTCMonth()}-${now.getUTCDate()}.${now.getTime()}.json`;
var backupFile = path.resolve(defaultPath, backupFileName);
fs.renameSync(defaultConfigFile, backupFile);
console.log(`The previous configuration file has been moved to: ${backupFile}.`);
}
console.log(`Creating a new configuration file at: ${defaultConfigFile}.`);
var defaultServices = [
'address',
'block',
'db',
'fee',
'header',
'mempool',
'p2p',
'timestamp',
'transaction',
'web'
];
var defaultDataDir = path.resolve(defaultPath, './data');
if (!fs.existsSync(defaultDataDir)) {
mkdirp.sync(defaultDataDir);
}
var defaultConfig = {
version: packageJson.version,
network: 'livenet',
port: 3001,
services: options.additionalServices ? defaultServices.concat(options.additionalServices) : defaultServices,
datadir: defaultDataDir,
servicesConfig: {
'insight-api': {
cwdRequirePath: 'node_modules/insight-api'
},
'insight-ui': {
cwdRequirePath: 'node_modules/insight-ui'
}
}
};
fs.writeFileSync(defaultConfigFile, JSON.stringify(defaultConfig, null, 2));
var config = JSON.parse(fs.readFileSync(defaultConfigFile, 'utf-8'));
return {
path: defaultPath,
config: config
};
}
module.exports = getDefaultConfig;