chore: replace imports to point to lamassu-coins module

lib/plugins/exchange/bitstamp/bitstamp.js

@@ -0,0 +1,46 @@
+const common = require('../../common/bitstamp')
+const { utils } = require('lamassu-coins')
+// const coinUtils = require('../../../coin-utils')
+
+function buy (account, cryptoAtoms, fiatCode, cryptoCode) {
+  return trade('buy', account, cryptoAtoms, fiatCode, cryptoCode)
+}
+
+function sell (account, cryptoAtoms, fiatCode, cryptoCode) {
+  return trade('sell', account, cryptoAtoms, fiatCode, cryptoCode)
+}
+
+function handleErrors (data) {
+  if (!data.reason || !data.reason.__all__) return data
+
+  const err = new Error(data.reason.__all__[0])
+
+  if (data.reason.__all__[0].indexOf('Minimum order size is') === 0) {
+    err.name = 'orderTooSmall'
+  }
+
+  throw err
+}
+
+function trade (type, account, cryptoAtoms, _fiatCode, cryptoCode) {
+  const fiatCode = _fiatCode === 'USD' ? 'USD' : 'EUR'
+
+  try {
+    const market = common.buildMarket(fiatCode, cryptoCode)
+    const options = {amount: utils.toUnit(cryptoAtoms, cryptoCode).toFixed(8)}
+
+    return common.authRequest(account, '/' + type + '/market/' + market, options)
+      .catch(e => {
+        if (e.response) handleErrors(e.response.data)
+        throw e
+      })
+      .then(handleErrors)
+  } catch (e) {
+    return Promise.reject(e)
+  }
+}
+
+module.exports = {
+  buy,
+  sell
+}

lib/plugins/exchange/itbit/itbit.js

@@ -0,0 +1,46 @@
+const common = require('../../common/itbit')
+const { utils } = require('lamassu-coins')
+// const coinUtils = require('../../../coin-utils')
+
+exports.buy = function (account, cryptoAtoms, fiatCode, cryptoCode) {
+  return trade('buy', account, cryptoAtoms, fiatCode, cryptoCode)
+}
+
+exports.sell = function (account, cryptoAtoms, fiatCode, cryptoCode) {
+  return trade('sell', account, cryptoAtoms, fiatCode, cryptoCode)
+}
+
+function trade (type, account, cryptoAtoms, fiatCode, cryptoCode) {
+  try {
+    const instrument = common.buildMarket(fiatCode, cryptoCode)
+    const cryptoAmount = utils.toUnit(cryptoAtoms, cryptoCode)
+
+    return calculatePrice(type, instrument, cryptoAmount)
+      .then(price => {
+        const args = {
+          side: type,
+          type: 'limit',
+          currency: cryptoCode,
+          amount: cryptoAmount.toFixed(4),
+          price: price.toFixed(2),
+          instrument: instrument
+        }
+        return common.authRequest(account, 'POST', '/wallets/' + account.walletId + '/orders', args)
+      })
+  } catch (e) {
+    return Promise.reject(e)
+  }
+}
+
+function calculatePrice (type, tickerSymbol, amount) {
+  return common.request('GET', '/markets/' + tickerSymbol + '/order_book')
+    .then(orderBook => {
+      const book = type == 'buy' ? 'asks' : 'bids'
+      let collected = 0.0
+      for (const entry of orderBook[book]) {
+        collected += parseFloat(entry[1])
+        if (collected >= amount) return parseFloat(entry[0])
+      }
+      throw new Error('Insufficient market depth')
+    })
+}

lib/plugins/exchange/kraken/kraken.js

@@ -0,0 +1,45 @@
+// Note: Using DeX3/npm-kraken-api to adjust timeout time
+const Kraken = require('kraken-api')
+const _ = require('lodash/fp')
+
+const common = require('../../common/kraken')
+const { utils } = require('lamassu-coins')
+// const coinUtils = require('../../../coin-utils')
+
+var PAIRS = common.PAIRS
+
+module.exports = {buy, sell}
+
+function buy (account, cryptoAtoms, fiatCode, cryptoCode) {
+  return trade(account, 'buy', cryptoAtoms, fiatCode, cryptoCode)
+}
+
+function sell (account, cryptoAtoms, fiatCode, cryptoCode) {
+  return trade(account, 'sell', cryptoAtoms, fiatCode, cryptoCode)
+}
+
+function trade (account, type, cryptoAtoms, fiatCode, cryptoCode) {
+  const kraken = new Kraken(account.apiKey, account.privateKey, {timeout: 30000})
+  const amount = utils.toUnit(cryptoAtoms, cryptoCode)
+  const amountStr = amount.toFixed(6)
+
+  const pair = _.includes(fiatCode, ['USD', 'EUR'])
+    ? PAIRS[cryptoCode][fiatCode]
+    : PAIRS[cryptoCode]['EUR']
+
+  var orderInfo = {
+    pair,
+    type,
+    ordertype: 'market',
+    volume: amountStr,
+    expiretm: '+60'
+  }
+
+  return new Promise((resolve, reject) => {
+    kraken.api('AddOrder', orderInfo, (error, response) => {
+      if (error) return reject(error)
+
+      return resolve()
+    })
+  })
+}