v12.0.0 - initial commit
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packages/server/lib/blockchain/common.js
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222
packages/server/lib/blockchain/common.js
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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 makeDir = require('make-dir')
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const _ = require('lodash/fp')
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const logger = require('console-log-level')({ level: 'info' })
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const { isDevMode } = require('../environment-helper')
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const BLOCKCHAIN_DIR = process.env.BLOCKCHAIN_DIR
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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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getBinaries,
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isUpdateDependent,
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}
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const BINARIES = {
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BTC: {
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defaultUrl:
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'https://bitcoincore.org/bin/bitcoin-core-0.20.1/bitcoin-0.20.1-x86_64-linux-gnu.tar.gz',
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defaultUrlHash:
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'376194f06596ecfa40331167c39bc70c355f960280bd2a645fdbf18f66527397',
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defaultDir: 'bitcoin-0.20.1/bin',
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url: 'https://bitcoincore.org/bin/bitcoin-core-29.0/bitcoin-29.0-x86_64-linux-gnu.tar.gz',
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dir: 'bitcoin-29.0/bin',
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urlHash: 'a681e4f6ce524c338a105f214613605bac6c33d58c31dc5135bbc02bc458bb6c',
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},
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ETH: {
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url: 'https://gethstore.blob.core.windows.net/builds/geth-linux-amd64-1.15.11-36b2371c.tar.gz',
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dir: 'geth-linux-amd64-1.15.11-36b2371c',
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urlHash: 'a14a4285daedf75ea04a7a298e6caa48d566a2786c93fc5e86ec2c5998c92455',
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},
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ZEC: {
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url: 'https://download.z.cash/downloads/zcash-6.2.0-linux64-debian-bullseye.tar.gz',
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dir: 'zcash-6.2.0/bin',
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urlHash: '71cf378c27582a4b9f9d57cafc2b5a57a46e9e52a5eda33be112dc9790c64c6f',
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},
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DASH: {
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defaultUrl:
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'https://github.com/dashpay/dash/releases/download/v18.1.0/dashcore-18.1.0-x86_64-linux-gnu.tar.gz',
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defaultUrlHash:
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'd89c2afd78183f3ee815adcccdff02098be0c982633889e7b1e9c9656fbef219',
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defaultDir: 'dashcore-18.1.0/bin',
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url: 'https://github.com/dashpay/dash/releases/download/v22.1.2/dashcore-22.1.2-x86_64-linux-gnu.tar.gz',
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dir: 'dashcore-22.1.2/bin',
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urlHash: '230e871ef55c64c1550f358089a324a1e47e52a9a9c032366162cd82a19fa1af',
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},
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LTC: {
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defaultUrl:
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'https://download.litecoin.org/litecoin-0.18.1/linux/litecoin-0.18.1-x86_64-linux-gnu.tar.gz',
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defaultUrlHash:
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'ca50936299e2c5a66b954c266dcaaeef9e91b2f5307069b9894048acf3eb5751',
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defaultDir: 'litecoin-0.18.1/bin',
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url: 'https://download.litecoin.org/litecoin-0.21.4/linux/litecoin-0.21.4-x86_64-linux-gnu.tar.gz',
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dir: 'litecoin-0.21.4/bin',
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urlHash: '857fc41091f2bae65c3bf0fd4d388fca915fc93a03f16dd2578ac3cc92898390',
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},
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BCH: {
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url: 'https://github.com/bitcoin-cash-node/bitcoin-cash-node/releases/download/v28.0.1/bitcoin-cash-node-28.0.1-x86_64-linux-gnu.tar.gz',
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dir: 'bitcoin-cash-node-28.0.1/bin',
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files: [
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['bitcoind', 'bitcoincashd'],
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['bitcoin-cli', 'bitcoincash-cli'],
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],
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urlHash: 'd69ee632147f886ca540cecdff5b1b85512612b4c005e86b09083a63c35b64fa',
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},
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XMR: {
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url: 'https://downloads.getmonero.org/cli/monero-linux-x64-v0.18.4.0.tar.bz2',
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dir: 'monero-x86_64-linux-gnu-v0.18.4.0',
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files: [
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['monerod', 'monerod'],
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['monero-wallet-rpc', 'monero-wallet-rpc'],
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],
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urlHash: '16cb74c899922887827845a41d37c7f3121462792a540843f2fcabcc1603993f',
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},
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}
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const coinsUpdateDependent = ['BTC', 'LTC', 'DASH']
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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 ${portsString}`)
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}
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function randomPass() {
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return crypto.randomBytes(32).toString('hex')
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}
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function es(cmd) {
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const env = { HOME: os.userInfo().homedir }
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const options = { encoding: 'utf8', env }
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const res = cp.execSync(cmd, options)
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logger.debug(res)
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return res.toString()
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}
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function generateSupervisorConfig(cryptoCode, command, isWallet = false) {
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return `[program:${cryptoCode}${isWallet ? `-wallet` : ``}]
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command=nice ${command}
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autostart=true
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autorestart=true
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stderr_logfile=/var/log/supervisor/${cryptoCode}${isWallet ? `-wallet` : ``}.err.log
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stdout_logfile=/var/log/supervisor/${cryptoCode}${isWallet ? `-wallet` : ``}.out.log
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stderr_logfile_backups=2
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stdout_logfile_backups=2
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environment=HOME="/root"
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`
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}
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function writeSupervisorConfig(coinRec, cmd, walletCmd = '') {
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if (isInstalledSoftware(coinRec)) return
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const blockchain = coinRec.code
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if (!_.isNil(coinRec.wallet)) {
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const supervisorConfigWallet = generateSupervisorConfig(
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blockchain,
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walletCmd,
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true,
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)
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writeFile(
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`/etc/supervisor/conf.d/${coinRec.code}-wallet.conf`,
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supervisorConfigWallet,
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)
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}
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const supervisorConfig = generateSupervisorConfig(blockchain, cmd)
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writeFile(`/etc/supervisor/conf.d/${coinRec.code}.conf`, supervisorConfig)
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}
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function isInstalledSoftware(coinRec) {
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if (isDevMode()) {
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return (
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fs.existsSync(
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`${BLOCKCHAIN_DIR}/${coinRec.code}/${coinRec.configFile}`,
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) && fs.existsSync(`${BLOCKCHAIN_DIR}/bin/${coinRec.daemon}`)
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)
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}
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const nodeInstalled = fs.existsSync(
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`/etc/supervisor/conf.d/${coinRec.code}.conf`,
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)
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const walletInstalled = _.isNil(coinRec.wallet)
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? true
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: fs.existsSync(`/etc/supervisor/conf.d/${coinRec.code}.wallet.conf`)
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return nodeInstalled && walletInstalled
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}
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function fetchAndInstall(coinRec) {
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const requiresUpdate = isUpdateDependent(coinRec.cryptoCode)
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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 = requiresUpdate ? binaries.defaultUrl : binaries.url
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const hash = requiresUpdate ? binaries.defaultUrlHash : binaries.urlHash
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const downloadFile = path.basename(url)
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const binDir = requiresUpdate ? binaries.defaultDir : binaries.dir
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es(`wget -q ${url}`)
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if (es(`sha256sum ${downloadFile} | awk '{print $1}'`).trim() !== hash) {
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logger.info(
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`Failed to install ${coinRec.code}: Package signature do not match!`,
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)
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return
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}
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es(`tar -xf ${downloadFile}`)
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const usrBinDir = isDevMode()
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? path.resolve(BLOCKCHAIN_DIR, 'bin')
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: '/usr/local/bin'
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if (isDevMode()) {
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makeDir.sync(usrBinDir)
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}
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if (_.isEmpty(binaries.files)) {
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es(`sudo cp ${binDir}/* ${usrBinDir}`)
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return
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}
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_.forEach(([source, target]) => {
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es(`sudo cp ${binDir}/${source} ${usrBinDir}/${target}`)
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}, binaries.files)
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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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function getBinaries(coinCode) {
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const binaries = BINARIES[coinCode]
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if (!binaries) throw new Error(`No such coin: ${coinCode}`)
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return binaries
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}
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function isUpdateDependent(coinCode) {
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return _.includes(coinCode, coinsUpdateDependent)
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}
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