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Code readability and added the forgotten mocks

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This commit is contained in:
José Oliveira 2021-01-25 23:51:39 +00:00 • committed by Josh Harvey
parent 134eaaa518
commit 7accdaa84f
12 changed files with 126 additions and 96 deletions
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18
lib/plugins/exchange/bitstamp.js
View file

@ -1,9 +1,13 @@
const common = require('../common/ccxt')
const _ = require('lodash/fp')
const consts = require('./consts')
const ORDER_TYPE = consts.ORDER_TYPES.MARKET
const FIAT = common.FIAT['kraken']
const CRYPTO = common.CRYPTO['kraken']
const { ORDER_TYPES } = require('./consts')
const { COINS } = require('../../new-admin/config/coins')
const ORDER_TYPE = ORDER_TYPES.MARKET
const { BTC, ETH, LTC, BCH } = COINS
const CRYPTO = [BTC, ETH, LTC, BCH]
const FIAT = ['USD', 'EUR']
const AMOUNT_PRECISION = 8
const loadConfig = (account) => {
const mapper = {
@ -16,6 +20,4 @@ const loadConfig = (account) => {
const isConfigValid = ({ key, clientId, secret }) => key && secret && clientId
const amountPrecision = () => 8
module.exports = { loadConfig, isConfigValid, amountPrecision , CRYPTO, FIAT, ORDER_TYPE }
module.exports = { loadConfig, isConfigValid, CRYPTO, FIAT, ORDER_TYPE, AMOUNT_PRECISION }

45
lib/plugins/exchange/ccxt.js
View file

@ -1,37 +1,34 @@
var ccxt = require('ccxt')
const coinUtils = require('../../coin-utils')
const common = require('../common/ccxt')
const kraken = require('./kraken')
const bitstamp = require('./bitstamp')
const itbit = require('./itbit')
const consts = require('./consts')
const _ = require('lodash/fp')
const ccxt = require('ccxt')
const ALL_EXCHANGES = {
kraken,
bitstamp,
itbit
}
const { toUnit } = require('../../coin-utils')
const { buildMarket, ALL } = require('../common/ccxt')
const { ORDER_TYPES } = require('./consts')
const DEFAULT_PRICE_PRECISION = 2
const DEFAULT_AMOUNT_PRECISION = 8
function trade (side, account, cryptoAtoms, fiatCode, cryptoCode, exchangeName) {
try {
const exchangeConfig = ALL_EXCHANGES[exchangeName]
const exchangeConfig = ALL[exchangeName]
if (!exchangeConfig) throw Error('Exchange configuration not found')
if (!exchangeConfig) throw Error('no exchange')
if (exchangeConfig.isConfigValid && !exchangeConfig.isConfigValid(account)) throw Error('Invalid config')
const { loadOptions, loadConfig = _.noop, isConfigValid, ORDER_TYPE, AMOUNT_PRECISION } = exchangeConfig
if (_.isFunction(isConfigValid) && !isConfigValid(account)) throw Error('Invalid config')
const exchange = new ccxt[exchangeName](exchangeConfig.loadConfig(account))
const symbol = buildMarket(fiatCode, cryptoCode, exchangeName)
const precision = _.defaultTo(DEFAULT_AMOUNT_PRECISION, AMOUNT_PRECISION)
const amount = toUnit(cryptoAtoms, cryptoCode).toFixed(precision)
const options = _.isFunction(loadOptions) ? loadOptions(account) : {}
const exchange = new ccxt[exchangeName](loadConfig(account))
const symbol = common.verifyCurrencies(exchangeName, fiatCode, cryptoCode)
const precision = exchangeConfig.amountPrecision ? exchangeConfig.amountPrecision() : consts.DECIMAL_PRECISION.DEFAULT_AMOUNT
const amount = coinUtils.toUnit(cryptoAtoms, cryptoCode).toFixed(precision)
const options = exchangeConfig.loadOptions ? exchangeConfig.loadOptions(account) : {}
if (exchangeConfig.ORDER_TYPE === consts.ORDER_TYPES.MARKET) {
return exchange.createOrder(symbol, consts.ORDER_TYPES.MARKET, side, amount, null, options)
if (ORDER_TYPE === ORDER_TYPES.MARKET) {
return exchange.createOrder(symbol, ORDER_TYPES.MARKET, side, amount, null, options)
}
return exchange.fetchOrderBook(symbol)
.then(orderBook => {
const price = calculatePrice(side, amount, orderBook).toFixed(consts.DECIMAL_PRECISION.PRICE)
return exchange.createOrder(symbol, consts.ORDER_TYPES.LIMIT, side, amount, price, options)
const price = calculatePrice(side, amount, orderBook).toFixed(DEFAULT_PRICE_PRECISION)
return exchange.createOrder(symbol, ORDER_TYPES.LIMIT, side, amount, price, options)
})
} catch (e) {
return Promise.reject(e)

6
lib/plugins/exchange/consts.js
View file

@ -3,9 +3,5 @@ const ORDER_TYPES = {
MARKET: 'market',
LIMIT: 'limit'
}
const DECIMAL_PRECISION = {
PRICE: 2,
DEFAULT_AMOUNT: 8
}
module.exports = { ORDER_TYPES, DECIMAL_PRECISION }
module.exports = { ORDER_TYPES }

18
lib/plugins/exchange/itbit.js
View file

@ -1,9 +1,13 @@
const common = require('../common/ccxt')
const _ = require('lodash/fp')
const consts = require('./consts')
const ORDER_TYPE = consts.ORDER_TYPES.LIMIT
const FIAT = common.FIAT['kraken']
const CRYPTO = common.CRYPTO['kraken']
const { ORDER_TYPES } = require('./consts')
const { COINS } = require('../../new-admin/config/coins') // para cada exchange
const ORDER_TYPE = ORDER_TYPES.LIMIT
const { BTC, ETH, LTC, BCH } = COINS
const CRYPTO = [BTC, ETH, LTC, BCH]
const FIAT = ['USD']
const AMOUNT_PRECISION = 4
const loadConfig = (account) => {
const mapper = {
@ -17,6 +21,4 @@ const loadConfig = (account) => {
const loadOptions = ({ walletId }) => ({ walletId })
const isConfigValid = ({ clientKey, clientSecret, userId, walletId }) => clientKey && clientSecret && userId && walletId
const amountPrecision = () => 4
module.exports = { amountPrecision, loadOptions, loadConfig, isConfigValid, CRYPTO, FIAT, ORDER_TYPE }
module.exports = { loadOptions, loadConfig, isConfigValid, CRYPTO, FIAT, ORDER_TYPE, AMOUNT_PRECISION }

18
lib/plugins/exchange/kraken.js
View file

@ -1,9 +1,13 @@
const common = require('../common/ccxt')
const _ = require('lodash/fp')
const consts = require('./consts')
const ORDER_TYPE = consts.ORDER_TYPES.MARKET
const FIAT = common.FIAT['kraken']
const CRYPTO = common.CRYPTO['kraken']
const { ORDER_TYPES } = require('./consts')
const { COINS } = require('../../new-admin/config/coins')
const ORDER_TYPE = ORDER_TYPES.MARKET
const { BTC, BCH, DASH, ETH, LTC, ZEC } = COINS
const CRYPTO = [BTC, ETH, LTC, DASH, ZEC, BCH]
const FIAT = ['USD', 'EUR']
const AMOUNT_PRECISION = 6
const loadConfig = (account) => {
const mapper = {
@ -16,6 +20,4 @@ const loadConfig = (account) => {
const loadOptions = () => ({ expiretm: '+60' })
const isConfigValid = ({ apiKey, privateKey }) => apiKey && privateKey
const amountPrecision = () => 6
module.exports = { amountPrecision, loadOptions, loadConfig, isConfigValid, CRYPTO, FIAT, ORDER_TYPE }
module.exports = { loadOptions, loadConfig, isConfigValid, CRYPTO, FIAT, ORDER_TYPE, AMOUNT_PRECISION }

4
lib/plugins/exchange/mock-exchange/mock-exchange.js → lib/plugins/exchange/mock-exchange.js
View file

@ -3,12 +3,12 @@ module.exports = {
sell
}
function buy (account, cryptoAtoms, fiatCode, cryptoCode) {
function buy (cryptoAtoms, fiatCode, cryptoCode) {
console.log('[mock] buying %s %s for %s', cryptoAtoms.toString(), cryptoCode, fiatCode)
return Promise.resolve()
}
function sell (account, cryptoAtoms, fiatCode, cryptoCode) {
function sell (cryptoAtoms, fiatCode, cryptoCode) {
console.log('[mock] selling %s %s for %s', cryptoAtoms.toString(), cryptoCode, fiatCode)
return Promise.resolve()
}