message: fix erc20 api
diff: @@ -22,8 +22,8 @@ import ReactTooltip from 'react-tooltip'
  import typeforce from 'swap.app/util/typeforce'
  import Web3 from 'web3'
  -const serviceURLMainnet = 'https://api.etherscan.io/api?module=proxy&action=eth_call'
  -const serviceURLTestnet = 'https://api-rinkeby.etherscan.io/api?module=proxy&action=eth_call'
  +const serviceURLMainnet = 'https://api.etherscan.io/api?apikey=87F9B9IH33JPVRM5ZVFEK1DQTM64FUZFMV&module=proxy&action=eth_call'
  +const serviceURLTestnet = 'https://api-rinkeby.etherscan.io/api?apikey=87F9B9IH33JPVRM5ZVFEK1DQTM64FUZFMV&module=proxy&action=eth_call'
  const serviceURL = (process.env.MAINNET) ? serviceURLMainnet : serviceURLTestnet
  const nameSignature = '0x06fdde03'
  