test: Add tests for token config (pancakeswap#709)

.env.test

@@ -0,0 +1,5 @@
+REACT_APP_CHAIN_ID = "56"
+
+REACT_APP_NODE_1 = "https://bsc-dataseed1.ninicoin.io"
+REACT_APP_NODE_2 = "https://bsc-dataseed1.defibit.io"
+REACT_APP_NODE_3 = "https://bsc-dataseed.binance.org"

src/__tests__/config/tokens.test.ts

@@ -0,0 +1,28 @@
+import map from 'lodash/map'
+import omitBy from 'lodash/omitBy'
+import erc20ABI from 'config/abi/erc20.json'
+import tokens from 'config/constants/tokens'
+import { Token } from 'config/constants/types'
+import multicall from 'utils/multicall'
+
+// remove BNB because it's not a Bep20 token
+const tokensToTest = omitBy(tokens, (token) => token.symbol.toLowerCase() === 'bnb')
+
+describe('Config tokens', () => {
+  it.each(map(tokensToTest, (token, key) => [key, token]))('Token %s', async (key, token: Token) => {
+    const [[symbol], [decimals]] = await multicall(erc20ABI, [
+      {
+        address: token.address[56],
+        name: 'symbol',
+      },
+      {
+        address: token.address[56],
+        name: 'decimals',
+      },
+    ])
+
+    expect(key).toBe(token.symbol.toLowerCase())
+    expect(token.symbol.toLowerCase()).toBe(symbol.toLowerCase())
+    expect(token.decimals).toBe(parseInt(decimals, 10))
+  })
+})

src/config/constants/tokens.ts

@@ -435,8 +435,8 @@ const tokens = {
     decimals: 18,
     projectLink: 'https://pancakeswap.finance/',
   },
-  blk: {
-    symbol: 'BLK',
+  blink: {
+    symbol: 'BLINK',
     address: {
       56: '0x63870a18b6e42b01ef1ad8a2302ef50b7132054f',
       97: '',
@@ -741,8 +741,8 @@ const tokens = {
     decimals: 18,
     projectLink: 'https://tether.to/',
   },
-  btc: {
-    symbol: 'BTC',
+  btcb: {
+    symbol: 'BTCB',
     address: {
       56: '0x7130d2a12b9bcbfae4f2634d864a1ee1ce3ead9c',
       97: '0xE02dF9e3e622DeBdD69fb838bB799E3F168902c5',