v12.0.0 - initial commit

packages/server/lib/plugins/common/ccxt.js

@@ -0,0 +1,53 @@
+const _ = require('lodash/fp')
+
+const kraken = require('../exchange/kraken')
+const bitstamp = require('../exchange/bitstamp')
+const itbit = require('../exchange/itbit')
+const binanceus = require('../exchange/binanceus')
+const cex = require('../exchange/cex')
+const bitpay = require('../ticker/bitpay')
+const binance = require('../exchange/binance')
+const bitfinex = require('../exchange/bitfinex')
+
+const ALL = {
+  cex: cex,
+  binanceus: binanceus,
+  kraken: kraken,
+  bitstamp: bitstamp,
+  itbit: itbit,
+  bitpay: bitpay,
+  binance: binance,
+  bitfinex: bitfinex,
+}
+
+function buildMarket(fiatCode, cryptoCode, serviceName) {
+  if (!_.includes(cryptoCode, ALL[serviceName].CRYPTO)) {
+    throw new Error('Unsupported crypto: ' + cryptoCode)
+  }
+
+  if (_.isNil(fiatCode))
+    throw new Error('Market pair building failed: Missing fiat code')
+  return cryptoCode + '/' + fiatCode
+}
+
+function verifyFiatSupport(fiatCode, serviceName) {
+  const fiat = ALL[serviceName].FIAT
+  return fiat === 'ALL_CURRENCIES' ? true : _.includes(fiatCode, fiat)
+}
+
+function isConfigValid(config, fields) {
+  const values = _.map(it => _.get(it)(config))(fields)
+  return _.every(it => it || it === 0)(values)
+}
+
+function defaultFiatMarket(serviceName) {
+  return ALL[serviceName].DEFAULT_FIAT_MARKET
+}
+
+module.exports = {
+  buildMarket,
+  ALL,
+  verifyFiatSupport,
+  isConfigValid,
+  defaultFiatMarket,
+}