message: Fix auto calculation with custom input value;
diff: @@ -242,7 +242,7 @@ export default class AddOffer extends Component {
  })
  } else {
  this.setState({
  - sellAmount: new BigNumber(String(value) || 0).multipliedBy(exchangeRate || 0),
  + sellAmount: new BigNumber(String(value) || 0).dividedBy(exchangeRate || 0),
  buyAmount: new BigNumber(String(value)),
  })
  }
  