metamask-extension/ui/app/pages/confirm-send-token/confirm-send-token.component.js

import React, { Component } from 'react';
import PropTypes from 'prop-types';
import ConfirmTokenTransactionBaseContainer from '../confirm-token-transaction-base';
import { SEND_ROUTE } from '../../helpers/constants/routes';

export default class ConfirmSendToken extends Component {
  static propTypes = {
    history: PropTypes.object,
    editTransaction: PropTypes.func,
    tokenAmount: PropTypes.string,
  };

  handleEdit(confirmTransactionData) {
    const { editTransaction, history } = this.props;
    editTransaction(confirmTransactionData);
    history.push(SEND_ROUTE);
  }

  render() {
    const { tokenAmount } = this.props;

    return (
      <ConfirmTokenTransactionBaseContainer
        onEdit={(confirmTransactionData) =>
          this.handleEdit(confirmTransactionData)
        }
        tokenAmount={tokenAmount}
      />
    );
  }
}