Migrate plugins to lib directory

lib/plugins/ticker/bitpay/bitpay.js

@@ -0,0 +1,25 @@
+const axios = require('axios')
+const BN = require('../../../bn')
+
+function ticker (account, fiatCode, cryptoCode) {
+  if (cryptoCode !== 'BTC') {
+    return Promise.reject('Unsupported crypto: ' + cryptoCode)
+  }
+
+  return axios.get('https://bitpay.com/api/rates/' + fiatCode)
+  .then(r => {
+    const data = r.data
+    const price = BN(data.rate)
+    return {
+      rates: {
+        ask: price,
+        bid: price
+      }
+    }
+  })
+}
+
+module.exports = {
+  ticker,
+  name: 'BitPay'
+}

lib/plugins/ticker/bitstamp/bitstamp.js

@@ -0,0 +1,26 @@
+const BN = require('../../../bn')
+const common = require('../common/bitstamp')
+
+function ticker (account, fiatCode, cryptoCode) {
+  return Promise.resolve()
+  .then(() => {
+    if (cryptoCode !== 'BTC') {
+      throw new Error('Unsupported crypto: ' + cryptoCode)
+    }
+  })
+  .then(() => {
+    const market = common.buildMarket(fiatCode, cryptoCode)
+    return common.request('/ticker/' + market, 'GET')
+  })
+  .then(r => ({
+    rates: {
+      ask: BN(r.ask),
+      bid: BN(r.bid)
+    }
+  }))
+}
+
+module.exports = {
+  ticker
+}
+

lib/plugins/ticker/kraken/kraken.js

@@ -0,0 +1,60 @@
+const axios = require('axios')
+const _ = require('lodash/fp')
+
+const BN = require('../../../bn')
+
+exports.NAME = 'Kraken'
+exports.SUPPORTED_MODULES = ['ticker']
+
+const PAIRS = {
+  BTC: {
+    USD: 'XXBTZUSD',
+    EUR: 'XXBTZEUR'
+  },
+  ETH: {
+    USD: 'XETHZUSD',
+    EUR: 'XETHZEUR'
+  }
+}
+
+function findCurrency (fxRates, fiatCode) {
+  const rates = _.find(_.matchesProperty('code', fiatCode), fxRates)
+  if (!rates || !rates.rate) throw new Error(`Unsupported currency: ${fiatCode}`)
+  return BN(rates.rate)
+}
+
+exports.ticker = function ticker (account, fiatCode, cryptoCode) {
+  if (fiatCode === 'USD' || fiatCode === 'EUR') {
+    return getCurrencyRates(fiatCode, cryptoCode)
+  }
+
+  return axios.get('https://bitpay.com/api/rates')
+  .then(response => {
+    const fxRates = response.data
+    const usdRate = findCurrency(fxRates, 'USD')
+    const fxRate = findCurrency(fxRates, fiatCode).div(usdRate)
+
+    return getCurrencyRates('USD', cryptoCode)
+    .then(res => ({
+      rates: {
+        ask: res.rates.ask.times(fxRate),
+        bid: res.rates.bid.times(fxRate)
+      }
+    }))
+  })
+}
+
+function getCurrencyRates (fiatCode, cryptoCode) {
+  const pair = PAIRS[cryptoCode][fiatCode]
+
+  return axios.get('https://api.kraken.com/0/public/Ticker?pair=' + pair)
+  .then(function (response) {
+    const rates = response.data.result[pair]
+    return {
+      rates: {
+        ask: BN(rates.a[0]),
+        bid: BN(rates.b[0])
+      }
+    }
+  })
+}