add lamassu-coins script

lib/blockchain/install.js

@@ -24,6 +24,8 @@ const PLUGINS = {
   ZEC: require('./zcash.js')
 }
 
+module.exports = {run}
+
 function installedFilePath (crypto) {
   return path.resolve(options.blockchainDir, crypto.code, '.installed')
 }
@@ -32,32 +34,18 @@ function isInstalled (crypto) {
   return fs.existsSync(installedFilePath(crypto))
 }
 
-const choices = _.map(c => {
-  const checked = isInstalled(c)
-  return {
-    name: c.display,
-    value: c.code,
-    checked,
-    disabled: checked && 'Installed'
-  }
-}, cryptos)
-
-const questions = []
-
-questions.push({
-  type: 'checkbox',
-  name: 'crypto',
-  message: 'Which cryptocurrencies would you like to install?',
-  choices
-})
-
 function processCryptos (codes) {
   if (_.isEmpty(codes)) {
     logger.info('No cryptos selected. Exiting.')
     process.exit(0)
   }
 
-  doVolume.prepareVolume()
+  const goodVolume = doVolume.prepareVolume()
+
+  if (!goodVolume) {
+    logger.error('There was an error preparing the disk volume. Exiting.')
+    process.exit(1)
+  }
 
   logger.info('Thanks! Installing: %s. Will take a while...', _.join(', ', codes))
 
@@ -67,15 +55,6 @@ function processCryptos (codes) {
   logger.info('Installation complete.')
 }
 
-inquirer.prompt(questions)
-.then(answers => processCryptos(answers.crypto))
-
-function plugin (crypto) {
-  const plugin = PLUGINS[crypto.cryptoCode]
-  if (!plugin) throw new Error(`No such plugin: ${crypto.cryptoCode}`)
-  return plugin
-}
-
 function setupCrypto (crypto) {
   logger.info(`Installing ${crypto.display}...`)
   const cryptoDir = path.resolve(options.blockchainDir, crypto.code)
@@ -93,3 +72,33 @@ function setupCrypto (crypto) {
   process.chdir(oldDir)
 }
 
+function plugin (crypto) {
+  const plugin = PLUGINS[crypto.cryptoCode]
+  if (!plugin) throw new Error(`No such plugin: ${crypto.cryptoCode}`)
+  return plugin
+}
+
+function run () {
+  const choices = _.map(c => {
+    const checked = isInstalled(c)
+    return {
+      name: c.display,
+      value: c.code,
+      checked,
+      disabled: checked && 'Installed'
+    }
+  }, cryptos)
+
+  const questions = []
+
+  questions.push({
+    type: 'checkbox',
+    name: 'crypto',
+    message: 'Which cryptocurrencies would you like to install?',
+    choices
+  })
+
+  inquirer.prompt(questions)
+  .then(answers => processCryptos(answers.crypto))
+}
+