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feature: switch token pricing to CoinGecko API (#6424)

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Paul Bouchon 2019-04-10 18:37:15 -04:00 committed by GitHub
parent 7e0006a7fd
commit a973a7420a
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1 changed files with 8 additions and 8 deletions
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16
app/scripts/controllers/token-rates.js
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@ -28,16 +28,16 @@ class TokenRatesController {
async updateExchangeRates () {
if (!this.isActive) { return }
const contractExchangeRates = {}
const nativeCurrency = this.currency ? this.currency.getState().nativeCurrency.toUpperCase() : 'ETH'
const pairs = this._tokens.map(token => `pairs[]=${token.address}/${nativeCurrency}`)
const query = pairs.join('&')
const nativeCurrency = this.currency ? this.currency.getState().nativeCurrency.toLowerCase() : 'eth'
const pairs = this._tokens.map(token => token.address).join(',')
const query = `contract_addresses=${pairs}&vs_currencies=${nativeCurrency}`
if (this._tokens.length > 0) {
try {
const response = await fetch(`https://exchanges.balanc3.net/pie?${query}&autoConversion=false`)
const { prices = [] } = await response.json()
prices.forEach(({ pair, price }) => {
const address = pair.split('/')[0]
contractExchangeRates[normalizeAddress(address)] = typeof price === 'number' ? price : 0
const response = await fetch(`https://api.coingecko.com/api/v3/simple/token_price/ethereum?${query}`)
const prices = await response.json()
this._tokens.forEach(token => {
const price = prices[token.address.toLowerCase()]
contractExchangeRates[normalizeAddress(token.address)] = price ? price[nativeCurrency] : 0
})
} catch (error) {
log.warn(`MetaMask - TokenRatesController exchange rate fetch failed.`, error)