add blockchain install scripts

lib/admin/funding.js

@@ -1,12 +1,44 @@
+const _ = require('lodash/fp')
 const BN = require('../bn')
 const settingsLoader = require('../settings-loader')
 const configManager = require('../config-manager')
 const wallet = require('../wallet')
 const ticker = require('../ticker')
 const coinUtils = require('../coin-utils')
+const machineLoader = require('../machine-loader')
 
 module.exports = {getFunding}
 
+function allScopes (cryptoScopes, machineScopes) {
+  const scopes = []
+  cryptoScopes.forEach(c => {
+    machineScopes.forEach(m => scopes.push([c, m]))
+  })
+
+  return scopes
+}
+
+function allMachineScopes (machineList, machineScope) {
+  const machineScopes = []
+
+  if (machineScope === 'global' || machineScope === 'both') machineScopes.push('global')
+  if (machineScope === 'specific' || machineScope === 'both') machineList.forEach(r => machineScopes.push(r))
+
+  return machineScopes
+}
+
+function getCryptos (config, machineList) {
+  const scopes = allScopes(['global'], allMachineScopes(machineList, 'both'))
+  const scoped = scope => configManager.scopedValue(scope[0], scope[1], 'cryptoCurrencies', config)
+
+  return _.uniq(_.flatten(_.map(scoped, scopes)))
+}
+
+function fetchMachines () {
+  return machineLoader.getMachines()
+  .then(machineList => machineList.map(r => r.deviceId))
+}
+
 function computeCrypto (cryptoCode, _balance) {
   const unitScale = coinUtils.coins[cryptoCode].unitScale
 
@@ -19,15 +51,17 @@ function computeFiat (rate, cryptoCode, _balance) {
   return BN(_balance).shift(-unitScale).mul(rate).round(5)
 }
 
-function getFunding (cryptoCode) {
-  cryptoCode = cryptoCode || 'BTC'
-  const cryptoDisplays = coinUtils.cryptoDisplays
-
-  if (!coinUtils.coins[cryptoCode]) throw new Error(`Unsupported coin: ${cryptoCode}`)
-  return settingsLoader.loadLatest()
-  .then(settings => {
+function getFunding (_cryptoCode) {
+  return Promise.all([settingsLoader.loadLatest(), fetchMachines()])
+  .then(([settings, machineList]) => {
     const config = configManager.unscoped(settings.config)
+    const cryptoCodes = getCryptos(settings.config, machineList)
+    const cryptoCode = _cryptoCode || cryptoCodes[0]
     const fiatCode = config.fiatCurrency
+    const pareCoins = c => _.includes(c.cryptoCode, cryptoCodes)
+    const cryptoDisplays = _.filter(pareCoins, coinUtils.cryptoDisplays)
+
+    if (!coinUtils.coins[cryptoCode]) throw new Error(`Unsupported coin: ${cryptoCode}`)
 
     const promises = [
       wallet.newFunding(settings, cryptoCode),