remove band as oracle option

yfii · Feb 3, 2021 · 3b18cbe · 3b18cbe
1 parent 2c31cf3
commit 3b18cbe
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Showing 4 changed files with 63 additions and 284 deletions.
diff --git a/package.json b/package.json
@@ -4,9 +4,8 @@
   "repository": "beefyfinance/beefy-app",
   "license": "MIT",
   "private": true,
-  "type" : "module",
+  "type": "module",
   "dependencies": {
-    "@bandprotocol/bandchain.js": "^1.1.5",
     "@download/blockies": "^1.0.3",
     "@material-ui/core": "^4.11.0",
     "@material-ui/icons": "^4.9.1",

diff --git a/src/features/configure/pools.js b/src/features/configure/pools.js
@@ -2917,8 +2917,8 @@ export const pools = [
     earnContractAddress: '0xD6fca61Edb1cD0259320A6E0899E8aD1044BBCda',
     pricePerFullShare: 1,
     tvl: 0,
-    oracle: 'band',
-    oracleId: 'BUSD/USD',
+    oracle: 'pancake',
+    oracleId: 'BUSD',
     oraclePrice: 0,
     depositsPaused: false,
     status: 'active',
@@ -2941,8 +2941,8 @@ export const pools = [
     earnContractAddress: '0x7bF55acDe006C398Bb605Ae564A8F832F80000ee',
     pricePerFullShare: 1,
     tvl: 0,
-    oracle: 'band',
-    oracleId: 'LINK/USD',
+    oracle: 'pancake',
+    oracleId: 'LINK',
     oraclePrice: 0,
     depositsPaused: false,
     status: 'active',
@@ -2965,8 +2965,8 @@ export const pools = [
     earnContractAddress: '0x63a2CEF28904956552714ddb226ceE96c3F0C9EF',
     pricePerFullShare: 1,
     tvl: 0,
-    oracle: 'band',
-    oracleId: 'DOT/USD',
+    oracle: 'pancake',
+    oracleId: 'DOT',
     oraclePrice: 0,
     depositsPaused: false,
     status: 'active',
@@ -2989,8 +2989,8 @@ export const pools = [
     earnContractAddress: '0xc16187F3eb15aEE949e7d784906d53fd7E364B26',
     pricePerFullShare: 1,
     tvl: 0,
-    oracle: 'band',
-    oracleId: 'USDT/USD',
+    oracle: 'pancake',
+    oracleId: 'USDT',
     oraclePrice: 0,
     depositsPaused: false,
     status: 'active',
@@ -3013,8 +3013,8 @@ export const pools = [
     earnContractAddress: '0x6F0Df0858542fC4A1c7f82c14fAA490d7763592F',
     pricePerFullShare: 1,
     tvl: 0,
-    oracle: 'band',
-    oracleId: 'BTC/USD',
+    oracle: 'pancake',
+    oracleId: 'BTCB',
     oraclePrice: 0,
     depositsPaused: false,
     status: 'active',

diff --git a/src/features/web3/fetchPrice.js b/src/features/web3/fetchPrice.js
@@ -1,20 +1,18 @@
 import axios from 'axios';
-import BandChain from '@bandprotocol/bandchain.js';
-import { pools } from '../configure/pools'
+import { pools } from '../configure/pools';
 
 const endpoints = {
-  bakery:    'https://api.beefy.finance/bakery/price',
-  bakeryLp:  'https://api.beefy.finance/bakery/lps',
-  bandchain: 'https://poa-api.bandchain.org',
+  bakery: 'https://api.beefy.finance/bakery/price',
+  bakeryLp: 'https://api.beefy.finance/bakery/lps',
   bdollarLp: 'https://api.beefy.finance/bdollar/lps',
   coingecko: 'https://api.coingecko.com/api/v3/simple/price',
   jetfuelLp: 'https://api.beefy.finance/jetfuel/lps',
-  kebabLp:   'https://api.beefy.finance/kebab/lps',
+  kebabLp: 'https://api.beefy.finance/kebab/lps',
   narwhalLp: 'https://api.beefy.finance/narwhal/lps',
-  pancake:   'https://api.beefy.finance/pancake/price',
+  pancake: 'https://api.beefy.finance/pancake/price',
   pancakeLp: 'https://api.beefy.finance/pancake/lps',
-  thugs:     'https://api.beefy.finance/thugs/tickers',
-  thugsLp:   'https://api.beefy.finance/thugs/lps',
+  thugs: 'https://api.beefy.finance/thugs/tickers',
+  thugsLp: 'https://api.beefy.finance/thugs/lps',
 };
 
 const WBNB = '0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c';
@@ -24,50 +22,36 @@ const WBNB_BUSD = `${WBNB}_${BUSD}`;
 const CACHE_TIMEOUT_MS = 1 * 60 * 1000; // 1 minute(s)
 const priceCache = {
   cache: new Map(),
-  lastUpdated: undefined
-}
+  lastUpdated: undefined,
+};
 
 function isCached(id) {
-  return priceCache.cache.has(id)
+  return priceCache.cache.has(id);
 }
 
 function getCachedPrice(id) {
   return priceCache.cache.get(id);
 }
 
 function maybeUpdateCache() {
-  const currentTimestamp = new Date()
-  if (priceCache.lastUpdated && currentTimestamp.getTime() > priceCache.lastUpdated.getTime() + CACHE_TIMEOUT_MS) {
-    initializePriceCache()
+  const currentTimestamp = new Date();
+  if (
+    priceCache.lastUpdated &&
+    currentTimestamp.getTime() > priceCache.lastUpdated.getTime() + CACHE_TIMEOUT_MS
+  ) {
+    initializePriceCache();
     // console.trace('price cache updated')
   }
 }
 
-// Fetch prices from different sources
-// Expected format: { id1: 100, id2: 200 }
-const fetchBand = async ids => {
-  try {
-    const bandchain = new BandChain(endpoints.bandchain);
-    const response = await bandchain.getReferenceData(ids);
-    const prices = {}
-    response.forEach(price => {
-      prices[price.pair] = price.rate
-    })
-    return prices;
-  } catch (err) {
-    console.error(err);
-    return {};
-  }
-};
-
 const fetchCoingecko = async ids => {
   try {
     const response = await axios.get(endpoints.coingecko, {
       params: { ids: ids.join(','), vs_currencies: 'usd' },
     });
-    const prices = {}
+    const prices = {};
     for (let id in response.data) {
-      prices[id] = response.data[id].usd
+      prices[id] = response.data[id].usd;
     }
     return prices;
   } catch (err) {
@@ -90,7 +74,7 @@ const fetchThugs = async () => {
   try {
     const response = await axios.get(endpoints.thugs);
     const bnb = response.data[WBNB_BUSD]['last_price'];
-    const prices = {}
+    const prices = {};
 
     for (let pair in response.data) {
       const ticker = response.data[pair];
@@ -104,7 +88,7 @@ const fetchThugs = async () => {
         price = bnb * ticker['last_price'];
       }
 
-      prices[pair] = price
+      prices[pair] = price;
     }
 
     return prices;
@@ -114,7 +98,7 @@ const fetchThugs = async () => {
   }
 };
 
-const fetchLP = async (endpoint) => {
+const fetchLP = async endpoint => {
   try {
     const response = await axios.get(endpoint);
     return response.data;
@@ -135,52 +119,50 @@ const fetchBakery = async () => {
 };
 
 const oracleEndpoints = {
-  'band': (ids) => fetchBand(ids),
   'bakery-lp': () => fetchLP(endpoints.bakeryLp),
-  'bakery': () => fetchBakery(),
-  'bdollar-lp':() => fetchLP(endpoints.bdollarLp),
-  'coingecko': (ids) => fetchCoingecko(ids),
+  bakery: () => fetchBakery(),
+  'bdollar-lp': () => fetchLP(endpoints.bdollarLp),
+  coingecko: ids => fetchCoingecko(ids),
   'jetfuel-lp': () => fetchLP(endpoints.jetfuelLp),
   'narwhal-lp': () => fetchLP(endpoints.narwhalLp),
-  'pancake': () => fetchPancake(),
+  pancake: () => fetchPancake(),
   'pancake-lp': () => fetchLP(endpoints.pancakeLp),
-  'thugs': () => fetchThugs(),
+  thugs: () => fetchThugs(),
   'thugs-lp': () => fetchLP(endpoints.thugsLp),
-  'kebab-lp': () => fetchLP(endpoints.kebabLp)
-}
+  'kebab-lp': () => fetchLP(endpoints.kebabLp),
+};
 
-export async function initializePriceCache () {
-  const currentTimestamp = new Date()
-  priceCache.lastUpdated = currentTimestamp
+export async function initializePriceCache() {
+  const currentTimestamp = new Date();
+  priceCache.lastUpdated = currentTimestamp;
 
   const oracleToIds = new Map();
   pools.forEach(pool => {
     if (!oracleToIds.has(pool.oracle)) {
       oracleToIds.set(pool.oracle, []);
     }
     oracleToIds.get(pool.oracle).push(pool.oracleId);
-  })
+  });
 
   const promises = [...oracleToIds.keys()].map(key => oracleEndpoints[key](oracleToIds.get(key)));
   const results = await Promise.all(promises);
-  const allPrices = results.reduce((accPrices, curPrices) => ({...accPrices, ...curPrices}), {});
+  const allPrices = results.reduce((accPrices, curPrices) => ({ ...accPrices, ...curPrices }), {});
   [...oracleToIds.values()].flat().forEach(id => priceCache.cache.set(id, allPrices[id]));
 }
 
-
 export const fetchPrice = async ({ id }) => {
   if (id === undefined) {
     console.error('Undefined pair');
     return 0;
   }
-  
-  let counter = 0 // safe guard, though it shouldn't happen
+
+  let counter = 0; // safe guard, though it shouldn't happen
   while (!isCached(id) && counter < 10) {
     // console.trace(id, 'price not cached');
     counter++;
   }
 
-  maybeUpdateCache()
+  maybeUpdateCache();
 
   return getCachedPrice(id) ? getCachedPrice(id) : 0;
 };