use exchangerate.host instead of fixer.io

1 files changed, 13 insertions, 12 deletions

diff --git a/lib/rates.js b/lib/rates.js
index 33982ba3..30ab0dce 100644
--- a/lib/rates.js
+++ b/lib/rates.js
@@ -1,25 +1,26 @@
 const axios = require("axios");
+const fs = require("fs");
 
 let binance = require("./binance")();
 
 let fetchRates;
 (fetchRates = async () => {
-  let fx = require("./devrates");
+  let date, fx;
 
-  if (prod) {
-    try {
-      let res = await axios.get(
-        `http://data.fixer.io/api/latest?access_key=${config.fixer}`
-      );
+  try {
+    ({ date, fx } = JSON.parse(fs.readFileSync("fx")));
+  } catch {
+    l.warn("Failed to read fx file");
+  }
 
-      fx = res.data.rates;
+  let today = JSON.stringify(new Date()).replace(/T.*/, "").replace(/"/, "");
 
-      fx &&
-        Object.keys(fx).map(symbol => {
-          rates[symbol] = fx[symbol] / fx["USD"];
-        });
+  if (date !== today) {
+    try {
+      let { data: { rates: fx }} = await axios.get('https://api.exchangerate.host/latest');
+      fs.writeFileSync("fx", JSON.stringify({ date, fx }));
     } catch (e) {
-      l.error("error fetching rates", e);
+      l.error("error fetching rates", e.message);
     }
   }