message: update balance while switch the currency
diff: @@ -368,7 +368,7 @@ export default class AddOffer extends Component {
  sellAmount: '',
  buyAmount: '',
  }))
  - await this.checkBalance(sellCurrency)
  + await this.checkBalance(buyCurrency)
  await this.updateExchangeRate(buyCurrency, sellCurrency)
  actions.pairs.selectPair(buyCurrency)
  