zap-desktop/app/components/ChannelForm/StepThree.js

import React, { Component } from 'react'
import PropTypes from 'prop-types'
import CurrencyIcon from 'components/CurrencyIcon'
import styles from './StepThree.scss'

class StepThree extends Component {
  render() {
    const { push_amt, setPushAmount } = this.props

    return (
      <div className={styles.container}>
        <div className={styles.explainer}>
          <h2>Push Amount</h2>
          <p>
            The push amount is the amount of bitcoin (if any at all) you&apos;d like
            to &quot;push&quot; to the other side of the channel when it opens.
            This amount will be set on the remote side of the channel as part of the initial commitment state.
          </p>
        </div>

        <form>
          <label htmlFor='amount'>
            <CurrencyIcon currency={'btc'} crypto={'btc'} />
          </label>
          <input
            type='number'
            min='0'
            max='0.16'
            ref={(input) => { this.input = input }}
            size=''
            value={push_amt}
            onChange={event => setPushAmount(event.target.value)}
            id='amount'
            style={{ width: isNaN((push_amt.length + 1) * 55) ? 140 : (push_amt.length + 1) * 55 }}
          />
        </form>
      </div>
    )
  }
}

StepThree.propTypes = {
  push_amt: PropTypes.oneOfType([
    PropTypes.number,
    PropTypes.string
  ]).isRequired,
  setPushAmount: PropTypes.func.isRequired
}

export default StepThree