Merge pull request #588 from hermeznetwork/replace-exchange-rates-api

Replace exchange rates api

.env.example

@@ -7,8 +7,6 @@ REACT_APP_AIRDROP_ID=8
 REACT_APP_ACCUMULATED_AIRDROP_IDS="1,2,3"
 # Enables token swap feature
 REACT_APP_ENABLE_TOKEN_SWAP=false
-# Exchange rates API Key
-REACT_APP_EXCHANGE_RATES_API_KEY=example
 # Infura API Key
 REACT_APP_INFURA_API_KEY=example
 # Can be production or development

src/apis/fiat-exchange-rates.js

@@ -5,35 +5,29 @@ import { FIAT_EXCHANGE_RATES_API_URL } from '../constants'
 
 const baseApiUrl = FIAT_EXCHANGE_RATES_API_URL
 
+const mockedFiatExchangeRates = {
+  EUR: 0.837775,
+  CNY: 6.446304,
+  JPY: 110.253954,
+  GBP: 0.716945
+}
+
 /**
  * Fetches the USD exchange rates for the requested currency symbols
  * @param {string[]} symbols - ISO 4217 currency codes
  * @returns {Object} - USD exchange rates for the requested symbols
  */
 // eslint-disable-next-line no-unused-vars
 function getFiatExchangeRates (symbols) {
-  const params = { base: CurrencySymbol.USD.code, symbols: symbols.join(','), access_key: process.env.REACT_APP_EXCHANGE_RATES_API_KEY }
-
-  return axios.get(`${baseApiUrl}/latest`, { params })
-    .then(res => res.data)
-}
+  const params = { base: CurrencySymbol.USD.code, symbols: symbols.join('|') }
 
-/**
- * Mocks the USD exchange rates for the requested currency symbols
- * @param {string[]} symbols - ISO 4217 currency codes
- * @returns {Object} - USD exchange rates for the requested symbols
- */
-function getMockedFiatExchangeRates () {
-  return Promise.resolve({
-    success: true,
-    base: 'USD',
-    rates: {
-      EUR: 0.837775,
-      CNY: 6.446304,
-      JPY: 110.253954,
-      GBP: 0.716945
-    }
-  })
+  return axios.get(`${baseApiUrl}/currencies`, { params })
+    .then((res) => {
+      return res.data.currencies.reduce((acc, rate) => ({
+        ...acc,
+        [rate.currency]: rate.price
+      }), {})
+    })
 }
 
-export { getMockedFiatExchangeRates as getFiatExchangeRates }
+export { mockedFiatExchangeRates, getFiatExchangeRates }

src/constants.js

@@ -5,7 +5,7 @@ export const MY_ACCOUNT = {
   DEFAULT_PREFERRED_CURRENCY: CurrencySymbol.USD.code
 }
 
-export const FIAT_EXCHANGE_RATES_API_URL = 'https://api.exchangeratesapi.io/v1'
+export const FIAT_EXCHANGE_RATES_API_URL = 'https://api.hermez.io/v1'
 
 export const MY_CODE = {
   QR_CODE_SIZE: 216

src/store/global/global.thunks.js

@@ -95,14 +95,9 @@ function fetchFiatExchangeRates () {
     dispatch(globalActions.loadFiatExchangeRates())
 
     return fiatExchangeRatesApi.getFiatExchangeRates(symbols)
-      .then(res => dispatch(globalActions.loadFiatExchangeRatesSuccess(res.rates)))
+      .then(res => dispatch(globalActions.loadFiatExchangeRatesSuccess(res)))
       .catch(() => {
-        const rates = {}
-        for (const rate of symbols) {
-          rates[rate] = undefined
-        }
-
-        dispatch(globalActions.loadFiatExchangeRatesSuccess(rates))
+        dispatch(globalActions.loadFiatExchangeRatesSuccess(fiatExchangeRatesApi.mockedFiatExchangeRates))
       })
   }
 }