message: rule of main currency
diff: @@ -353,7 +353,17 @@ export default class PartialClosure extends Component {
  handlePush = () => {
  const { haveCurrency, getCurrency } = this.state
  - this.props.history.push(`${getCurrency}-${haveCurrency}`)
  +
  + let historyLink = `${haveCurrency}-${getCurrency}`
  + if ((haveCurrency === 'btc' && getCurrency === 'ustd') || (haveCurrency === 'ustd' && getCurrency === 'btc')) {
  + historyLink = 'btc-ustd'
  + } else {
  + if (haveCurrency === 'btc') {
  + historyLink = `${getCurrency}-${haveCurrency}`
  + }
  + }
  +
  + this.props.history.push(historyLink)
  }
  setClearState = () => {
  