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Merge branch 'dev' into feat-decouple-l-s-entrypoint

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Rafael Taranto 2022-04-27 15:59:33 +01:00 • committed by GitHub
commit 9f13873e36
18 changed files with 569 additions and 136 deletions
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108
lib/plugins/ticker/ccxt.js
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@ -1,49 +1,59 @@
const ccxt = require('ccxt')
const BN = require('../../bn')
const { buildMarket, verifyFiatSupport } = require('../common/ccxt')
const { getRate } = require('../../../lib/forex')
const RETRIES = 2
function ticker (fiatCode, cryptoCode, tickerName) {
const ticker = new ccxt[tickerName]({ timeout: 3000 })
if (verifyFiatSupport(fiatCode, tickerName)) {
return getCurrencyRates(ticker, fiatCode, cryptoCode)
}
return getRate(RETRIES, fiatCode)
.then(({ fxRate }) => {
try {
return getCurrencyRates(ticker, '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 (ticker, fiatCode, cryptoCode) {
try {
if (!ticker.has['fetchTicker']) {
throw new Error('Ticker not available')
}
const symbol = buildMarket(fiatCode, cryptoCode, ticker.id)
return ticker.fetchTicker(symbol)
.then(res => ({
rates: {
ask: new BN(res.ask),
bid: new BN(res.bid)
}
}))
} catch (e) {
return Promise.reject(e)
}
}
module.exports = { ticker }
const ccxt = require('ccxt')
const BN = require('../../bn')
const { buildMarket, verifyFiatSupport } = require('../common/ccxt')
const { getRate } = require('../../../lib/forex')
const RETRIES = 2
const tickerObjects = {}
function ticker (fiatCode, cryptoCode, tickerName) {
if (!tickerObjects[tickerName]) {
tickerObjects[tickerName] = new ccxt[tickerName]({
timeout: 3000,
enableRateLimit: false,
})
}
const ticker = tickerObjects[tickerName]
if (verifyFiatSupport(fiatCode, tickerName)) {
return getCurrencyRates(ticker, fiatCode, cryptoCode)
}
return getRate(RETRIES, fiatCode)
.then(({ fxRate }) => {
try {
return getCurrencyRates(ticker, '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 (ticker, fiatCode, cryptoCode) {
try {
if (!ticker.has['fetchTicker']) {
throw new Error('Ticker not available')
}
const symbol = buildMarket(fiatCode, cryptoCode, ticker.id)
return ticker.fetchTicker(symbol)
.then(res => ({
rates: {
ask: new BN(res.ask),
bid: new BN(res.bid)
}
}))
} catch (e) {
return Promise.reject(e)
}
}
module.exports = { ticker }