WIP

lib/app.js

@@ -4,15 +4,14 @@ var http = require('http')
 var https = require('https')
 var express = require('express')
 var bodyParser = require('body-parser')
-var LamassuConfig = require('lamassu-config')
 var routes = require('./routes')
 var plugins = require('./plugins')
 var logger = require('./logger')
+var configManager = require('./config-manager')
 
 module.exports = function (options) {
   var app = express()
   var server
-  var lamassuConfig
 
   const psqlUrl = options.postgresql
   if (!psqlUrl) {
@@ -20,33 +19,19 @@ module.exports = function (options) {
     process.exit(1)
   }
 
-  lamassuConfig = new LamassuConfig(psqlUrl)
-
   const seedPath = options.seedPath || './seeds/seed.txt'
   plugins.init(psqlUrl, seedPath)
 
-  lamassuConfig.load(function (err, config) {
-    if (err) {
-      logger.error('Loading config failed')
-      throw err
-    }
+  console.log('DEBUG6')
 
+  configManager.load()
+  .then(config => {
+    console.log('DEBUG5: %j', config)
     plugins.configure(config)
     plugins.startPolling()
     plugins.startCheckingNotification()
   })
 
-  lamassuConfig.on('configUpdate', function () {
-    lamassuConfig.load(function (err, config) {
-      if (err) {
-        return logger.error('Error while reloading config')
-      }
-
-      plugins.configure(config)
-      logger.info('Config reloaded')
-    })
-  })
-
   app.use(bodyParser.json())
 
   var authMiddleware
@@ -64,24 +49,15 @@ module.exports = function (options) {
     server = https.createServer(serverOptions, app)
 
     authMiddleware = function (req, res, next) {
-      lamassuConfig.isAuthorized(routes.getDeviceId(req), function (err,
-        device) {
-        if (err) {
-          res.json({err: 'Internal Server Error'})
-          return next(err)
-        }
-        if (!device) {
-          res.json(404, {err: 'Not Found'})
-          return next(new Error('Device is unpaired'))
-        }
-        next()
-      })
+      next()  // TODO: authentication
     }
   } else {
     server = http.createServer(app)
 
     authMiddleware = function (req, res, next) {
       req.device = {}
+      console.log('DEBUG2')
+      console.log(req.route)
       return next()
     }
   }
@@ -96,7 +72,6 @@ module.exports = function (options) {
   routes.init({
     app: app,
     localApp: localApp,
-    lamassuConfig: lamassuConfig,
     plugins: plugins,
     authMiddleware: authMiddleware,
     // reloadConfigMiddleware: reloadConfigMiddleware,

lib/config-manager.js

@@ -1,8 +1,9 @@
 var pgp = require('pg-promise')()
-var psqlUrl = require('../lib/options').postgres
+var psqlUrl = require('../lib/options').postgresql
 var R = require('ramda')
 
 function connect () {
+  console.log(psqlUrl)
   return pgp(psqlUrl)
 }
 exports.connect = connect
@@ -37,8 +38,8 @@ module.exports = {
 }
 
 function matchesValue (crypto, machine, instance) {
-  instance.fieldScope.crypto === crypto &&
-  instance.fieldScope.machine === machine
+  return instance.fieldLocator.fieldScope.crypto === crypto &&
+  instance.fieldLocator.fieldScope.machine === machine
 }
 
 function permutations (crypto, machine) {
@@ -50,37 +51,43 @@ function permutations (crypto, machine) {
   ])
 }
 
-function fallbackValue (arr, instances) {
-  const crypto = arr[0]
-  const machine = arr[1]
+function fallbackValue (crypto, machine, instances) {
   const notNil = R.pipe(R.isNil, R.not)
-  const pickValue = (crypto, machine) => R.find(matchesValue, instances)
-
+  console.log('DEBUG10: %j', instances)
+  const pickValue = arr => R.find(instance => matchesValue(arr[0], arr[1], instance), instances)
+  console.log('DEBUG11: %j', permutations(crypto, machine))
+  console.log('DEBUG14: %j', R.map(pickValue, permutations(crypto, machine)))
   return R.find(notNil, R.map(pickValue, permutations(crypto, machine)))
 }
 
 function generalScoped (crypto, machine, config) {
-  const machineScopedCluster = fieldCluster =>
-    [fieldCluster.code, fallbackValue(crypto, machine, fieldCluster.fieldInstances)]
+  const scopedValue = (key, instances) =>
+    [key, fallbackValue(crypto, machine, keyedValues(key, instances))]
 
-  const scopedGroups = group =>
-    [group.code, R.fromPairs(group.fieldClusters.map(machineScopedCluster))]
+  const keyedValues = (key, instances) => R.filter(r => r.fieldLocator.code === key, instances)
+  const keys = instances => R.uniq(R.map(r => r.fieldLocator.code, instances))
+
+  const scopedGroups = group => {
+    const instances = group.values
+    console.log('DEBUG66: %j', keys(instances))
+    return [group.code, R.fromPairs(keys(instances).map(key => scopedValue(key, instances)))]
+  }
 
   return R.fromPairs(config.groups.map(scopedGroups))
 }
 
 function machineScoped (machine, config) {
-  generalScoped('global', machine, config)
+  return generalScoped('global', machine, config)
 }
 
 function unscoped (config) {
-  generalScoped('global', 'global', config)
+  return generalScoped('global', 'global', config)
 }
 
 function cryptoScoped (crypto, config) {
-  generalScoped(crypto, 'global', config)
+  return generalScoped(crypto, 'global', config)
 }
 
 function scoped (crypto, machine, config) {
-  generalScoped(crypto, machine, config)
+  return generalScoped(crypto, machine, config)
 }

lib/options.js

@@ -13,6 +13,7 @@ try {
 } catch (err) {
   try {
     configPath = path.resolve(os.homedir(), '.lamassu', 'lamassu.json')
+    console.log(configPath)
     options = JSON.parse(fs.readFileSync(configPath))
   } catch (err2) {
     console.log('Missing configuration file -- exiting.')

lib/plugins.js

@@ -11,7 +11,7 @@ const db = require('./postgresql_interface')
 const logger = require('./logger')
 const notifier = require('./notifier')
 const T = require('./time')
-const config = require('./config')
+const configManager = require('./config-manager')
 
 const tradeIntervals = {}
 
@@ -166,13 +166,12 @@ function loadOrConfigPlugin (pluginHandle, pluginType, cryptoCode, cfg, accounts
 exports.loadOrConfigPlugin = loadOrConfigPlugin
 
 // Note: this whole function gets called every time there's a config update
-exports.configure = function configure (cfg) {
-  if (config.exchanges.settings.lowBalanceMargin < 1) {
-    throw new Error('\'settings.lowBalanceMargin\' has to be >= 1')
-  }
+exports.configure = function configure (config) {
+  console.log('DEBUG4: %j', config)
 
-  cachedConfig = cfg
-  const accounts = config.loadAccounts()
+  cachedConfig = config
+
+  const accounts = configManager.loadAccounts()
   deviceCurrency = config.fiat.fiatCurrency
   cryptoCodes = config.crypto.cryptoCurrencies
 
@@ -255,8 +254,10 @@ exports.configure = function configure (cfg) {
   )
 }
 
-exports.getConfig = function getConfig () {
-  return cachedConfig
+exports.getConfig = function getConfig (machineId) {
+  console.log('DEBUG3: %j', cachedConfig)
+  console.log('DEBUG55: %j', configManager.machineScoped(machineId, cachedConfig))
+  return configManager.machineScoped(machineId, cachedConfig)
 }
 
 exports.logEvent = db.recordDeviceEvent

lib/routes.js

@@ -2,11 +2,11 @@
 
 const BigNumber = require('bignumber.js')
 const logger = require('./logger')
+const configManager = require('./config-manager')
 
 let mock = false
 
 let plugins
-let lamassuConfig
 
 module.exports = {
   init,
@@ -56,6 +56,7 @@ function buildBalances () {
 }
 
 function poll (req, res) {
+  console.log('DEBUG1')
   const deviceId = getDeviceId(req)
   const deviceTime = getDeviceTime(req)
   const pid = req.query.pid
@@ -209,22 +210,11 @@ function verifyTx (req, res) {
 }
 
 function pair (req, res) {
-  const token = req.body.token
-  const name = req.body.name
-
-  lamassuConfig.pair(
-    token,
-    getDeviceId(req),
-    name,
-    err => {
-      if (err) {
-        logger.error(err)
-        return res.json({err: err.message})
-      }
+  // const token = req.body.token
+  // const name = req.body.name
 
+  // TODO: Pair
   res.json({success: true})
-    }
-  )
 }
 
 function phoneCode (req, res) {
@@ -323,14 +313,13 @@ function dispense (req, res) {
   .catch(err => logger.error(err))
 }
 
-function init (localConfig) {
-  lamassuConfig = localConfig.lamassuConfig
-  plugins = localConfig.plugins
-  mock = localConfig.mock
+function init (opts) {
+  plugins = opts.plugins
+  mock = opts.mock
 
-  const authMiddleware = localConfig.authMiddleware
-  const app = localConfig.app
-  const localApp = localConfig.localApp
+  const authMiddleware = opts.authMiddleware
+  const app = opts.app
+  const localApp = opts.localApp
 
   app.get('/poll', authMiddleware, poll)
 
@@ -371,6 +360,15 @@ function init (localConfig) {
     res.sendStatus(200)
   })
 
+  localApp.post('/dbChange', (req, res) => {
+    return configManager.load()
+    .then(config => {
+      plugins.configure(config)
+      logger.info('Config reloaded')
+    })
+    .catch(logger.error)
+  })
+
   return app
 }
 

todo.txt

@@ -89,3 +89,8 @@ options: configure per machine; configure per crypto/fiat
    currencies now. (passed in on trade -- we assume that we're using machine currency, which may not be true)
 
 - consider defining exchange fiat currency in exchange account config, we don't pass in fiat amount, anyway
+
+-----------------------------
+
+- convert result to actual value, not record
+- default values