lamassu/lamassu-server
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Refactored some exchange code

Browse source
This commit is contained in:
José Oliveira 2021-01-21 11:08:20 +00:00 • committed by Josh Harvey
parent 54a231ab60
commit 134eaaa518
20 changed files with 141 additions and 643 deletions
Download patch file Download diff file Expand all files Collapse all files

49
lib/plugins/ticker/bitstamp/bitstamp.js
View file

@ -1,49 +0,0 @@
const axios = require('axios')
const _ = require('lodash/fp')
const BN = require('../../../bn')
const common = require('../../common/bitstamp')
exports.NAME = 'Bitstamp'
exports.SUPPORTED_MODULES = ['ticker']
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.toString())
}
exports.ticker = function ticker (account, fiatCode, cryptoCode) {
if (fiatCode === 'USD' || fiatCode === 'EUR') {
return getCurrencyRates(fiatCode, cryptoCode)
}
return axios.get('https://bitpay.com/rates')
.then(response => {
const fxRates = response.data.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) {
return Promise.resolve()
.then(() => {
const market = common.buildMarket(fiatCode, cryptoCode)
return common.request('/ticker/' + market, 'GET')
})
.then(r => ({
rates: {
ask: BN(r.ask),
bid: BN(r.bid)
}
}))
}

4
lib/plugins/ticker/ccxt/ccxt.js → lib/plugins/ticker/ccxt.js
View file

@ -1,8 +1,8 @@
const ccxt = require('ccxt')
const BN = require('../../../bn')
const BN = require('../../bn')
const axios = require('axios')
const _ = require('lodash/fp')
const common = require('../../common/ccxt')
const common = require('../common/ccxt')
function ticker (exchangeName, fiatCode, cryptoCode) {
const exchange = new ccxt[exchangeName]()

54
lib/plugins/ticker/coinbase/coinbase.js
View file

@ -1,54 +0,0 @@
const _ = require('lodash/fp')
const axios = require('axios')
const BN = require('../../../bn')
function getBuyPrice (obj) {
const currencyPair = obj.currencyPair
return axios({
method: 'get',
url: `https://api.coinbase.com/v2/prices/${currencyPair}/buy`,
headers: {'CB-Version': '2017-07-10'}
})
.then(r => r.data)
}
function getSellPrice (obj) {
const currencyPair = obj.currencyPair
return axios({
method: 'get',
url: `https://api.coinbase.com/v2/prices/${currencyPair}/sell`,
headers: {'CB-Version': '2017-07-10'}
})
.then(r => r.data)
}
function ticker (account, fiatCode, cryptoCode) {
return Promise.resolve()
.then(() => {
if (!_.includes(cryptoCode, ['BTC', 'ETH', 'LTC', 'BCH', 'ZEC', 'DASH'])) {
throw new Error('Unsupported crypto: ' + cryptoCode)
}
})
.then(() => {
const currencyPair = `${cryptoCode}-${fiatCode}`
const promises = [
getBuyPrice({currencyPair}),
getSellPrice({currencyPair})
]
return Promise.all(promises)
})
.then(([buyPrice, sellPrice]) => ({
rates: {
ask: BN(buyPrice.data.amount),
bid: BN(sellPrice.data.amount)
}
}))
}
module.exports = {
ticker
}

54
lib/plugins/ticker/itbit/itbit.js
View file

@ -1,54 +0,0 @@
const axios = require('axios')
const _ = require('lodash/fp')
const BN = require('../../../bn')
const common = require('../../common/itbit')
exports.NAME = 'itBit'
exports.SUPPORTED_MODULES = ['ticker']
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.toString())
}
exports.ticker = function ticker (account, fiatCode, cryptoCode) {
if (_.includes(fiatCode, ['USD', 'EUR', 'SGD'])) {
return getCurrencyRates(fiatCode, cryptoCode)
}
return axios.get('https://bitpay.com/api/rates')
.then(response => {
const fxRates = response.data
try {
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)
}
}))
} catch (e) {
return Promise.reject(e)
}
})
}
function getCurrencyRates (fiatCode, cryptoCode) {
try {
const market = common.buildMarket(fiatCode, cryptoCode)
return common.request('GET', '/markets/' + market + '/ticker')
.then(r => ({
rates: {
ask: BN(r.ask),
bid: BN(r.bid)
}
}))
} catch (e) {
return Promise.reject(e)
}
}

52
lib/plugins/ticker/kraken/kraken.js
View file

@ -1,52 +0,0 @@
const axios = require('axios')
const _ = require('lodash/fp')
const BN = require('../../../bn')
const common = require('../../common/kraken')
exports.NAME = 'Kraken'
exports.SUPPORTED_MODULES = ['ticker']
const PAIRS = common.PAIRS
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.toString())
}
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])
}
}
})
}