support for Coin ATM Radar

lib/coinatmradar/coinatmradar.js

@@ -0,0 +1,124 @@
+const axios = require('axios')
+const _ = require('lodash/fp')
+
+const db = require('../db')
+const configManager = require('../config-manager')
+const options = require('../options')
+const logger = require('../logger')
+
+const TIMEOUT = 10000
+const MAX_CONTENT_LENGTH = 2000
+
+// How long a machine can be down before it's considered offline
+const STALE_INTERVAL = '2 minutes'
+
+module.exports = {update, mapRecord}
+
+function mapCoin (info, deviceId, cryptoCode) {
+  const config = info.config
+  const rates = info.rates[cryptoCode] || {cashIn: null, cashOut: null}
+  const cryptoConfig = configManager.scoped(cryptoCode, deviceId, config)
+  const unscoped = configManager.unscoped(config)
+  const showRates = unscoped.coinAtmRadarShowRates
+
+  const cashInFee = showRates ? cryptoConfig.cashInCommission / 100 : null
+  const cashOutFee = showRates ? cryptoConfig.cashOutCommission / 100 : null
+  const cashInRate = showRates ? rates.cashIn.toNumber() : null
+  const cashOutRate = showRates ? rates.cashOut.toNumber() : null
+
+  return {
+    cryptoCode,
+    cashInFee,
+    cashOutFee,
+    cashInRate,
+    cashOutRate
+  }
+}
+
+function mapIdentification (info, deviceId) {
+  const machineConfig = configManager.machineScoped(deviceId, info.config)
+
+  return {
+    isPhone: machineConfig.smsVerificationActive,
+    isPalmVein: false,
+    isPhoto: false,
+    isIdDocScan: machineConfig.idCardDataVerificationActive,
+    isFingerprint: false
+  }
+}
+
+function mapMachine (info, machineRow) {
+  const deviceId = machineRow.device_id
+  const config = info.config
+  const machineConfig = configManager.machineScoped(deviceId, config)
+
+  const lastOnline = machineRow.last_online.toISOString()
+  const status = machineRow.stale ? 'online' : 'offline'
+
+  const cashLimit = machineConfig.hardLimitVerificationActive
+    ? machineConfig.hardLimitVerificationThreshold
+    : Infinity
+
+  const cryptoCurrencies = machineConfig.cryptoCurrencies
+  const identification = mapIdentification(info, deviceId)
+  const coins = _.map(_.partial(mapCoin, [info, deviceId]), cryptoCurrencies)
+
+  return {
+    machineId: deviceId,
+    status,
+    lastOnline,
+    cashIn: true,
+    cashOut: machineConfig.cashOutEnabled,
+    manufacturer: 'lamassu',
+    cashInTxLimit: cashLimit,
+    cashOutTxLimit: cashLimit,
+    cashInDailyLimit: cashLimit,
+    cashOutDailyLimit: cashLimit,
+    fiatCurrency: machineConfig.fiatCurrency,
+    identification,
+    coins
+  }
+}
+
+function getMachines (info) {
+  const sql = `select device_id, last_online, now() - last_online < $1 as stale from devices
+  where display=TRUE and
+  paired=TRUE
+  order by created`
+
+  return db.any(sql, [STALE_INTERVAL])
+    .then(_.map(_.partial(mapMachine, [info])))
+}
+
+function sendRadar (data) {
+  const config = {
+    url: options.coinAtmRadar.url,
+    method: 'post',
+    data,
+    timeout: TIMEOUT,
+    maxContentLength: MAX_CONTENT_LENGTH
+  }
+
+  return axios(config)
+    .then(r => console.log(r.status))
+}
+
+function mapRecord (info) {
+  const timestamp = new Date().toISOString()
+  return getMachines(info)
+    .then(machines => ({
+      operatorId: options.operatorId,
+      timestamp,
+      machines
+    }))
+}
+
+function update (info) {
+  const config = configManager.unscoped(info.config)
+
+  if (!config.coinAtmRadarActive) return Promise.resolve()
+
+  return mapRecord(info)
+    .then(sendRadar)
+    .catch(err => logger.error(err))
+}