107 lines
2.6 KiB
JavaScript
107 lines
2.6 KiB
JavaScript
const crypto = require('crypto')
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const os = require('os')
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const path = require('path')
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const cp = require('child_process')
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const fs = require('fs')
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const logger = require('console-log-level')({level: 'info'})
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module.exports = {
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es,
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writeSupervisorConfig,
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firewall,
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randomPass,
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fetchAndInstall,
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logger,
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isInstalledSoftware,
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writeFile
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}
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const BINARIES = {
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BTC: {
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url: 'https://bitcoin.org/bin/bitcoin-core-0.14.2/bitcoin-0.14.2-x86_64-linux-gnu.tar.gz',
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dir: 'bitcoin-0.14.2/bin'
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},
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ETH: {
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url: 'https://gethstore.blob.core.windows.net/builds/geth-linux-amd64-1.7.2-1db4ecdc.tar.gz',
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dir: 'geth-linux-amd64-1.7.2-1db4ecdc.tar.gz'
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},
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ZEC: {
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url: 'https://z.cash/downloads/zcash-1.0.12-linux64.tar.gz',
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dir: 'zcash-1.0.12/bin'
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},
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DASH: {
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url: 'https://www.dash.org/binaries/dashcore-0.12.1.5-linux64.tar.gz',
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dir: 'dashcore-0.12.1/bin'
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},
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LTC: {
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url: 'https://download.litecoin.org/litecoin-0.13.2/linux/litecoin-0.13.2-x86_64-linux-gnu.tar.gz',
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dir: 'litecoin-0.13.2/bin'
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}
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}
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function firewall (ports) {
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if (!ports || ports.length === 0) throw new Error('No ports supplied')
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const portsString = ports.join(',')
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es(`sudo ufw allow ${portsString}`)
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}
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function randomPass () {
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return crypto.randomBytes(32).toString('hex')
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}
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function es (cmd) {
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const env = {HOME: os.userInfo().homedir}
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const options = {encoding: 'utf8', env}
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const res = cp.execSync(cmd, options)
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logger.debug(res)
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return res.toString()
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}
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function writeSupervisorConfig (coinRec, cmd) {
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if (isInstalledSoftware(coinRec)) return
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const blockchain = coinRec.code
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const supervisorConfig = `[program:${blockchain}]
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command=nice ${cmd}
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autostart=true
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autorestart=true
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stderr_logfile=/var/log/supervisor/${blockchain}.err.log
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stdout_logfile=/var/log/supervisor/${blockchain}.out.log
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environment=HOME="/root"
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`
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writeFile(`/etc/supervisor/conf.d/${coinRec.code}.conf`, supervisorConfig)
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}
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function isInstalledSoftware (coinRec) {
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return fs.existsSync(`/etc/supervisor/conf.d/${coinRec.code}.conf`)
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}
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function fetchAndInstall (coinRec) {
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if (isInstalledSoftware(coinRec)) return
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const binaries = BINARIES[coinRec.cryptoCode]
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if (!binaries) throw new Error(`No such coin: ${coinRec.code}`)
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const url = binaries.url
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const downloadFile = path.basename(url)
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const binDir = binaries.dir
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es(`wget -q ${url}`)
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es(`tar -xzf ${downloadFile}`)
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es(`sudo cp ${binDir}/* /usr/local/bin`)
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}
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function writeFile (path, content) {
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try {
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fs.writeFileSync(path, content)
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} catch (err) {
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if (err.code === 'EEXIST') {
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logger.info(`${path} exists, skipping.`)
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return
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}
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throw err
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}
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}
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