nifty-wallet/old-ui/app/components/fiat-value.js

import React, { Component } from 'react'
import { formatBalance, countSignificantDecimals } from '../util'
import PropTypes from 'prop-types'
import { DAI_CODE, POA_SOKOL_CODE, RSK_TESTNET_CODE, GOERLI_TESTNET_CODE } from '../../../app/scripts/controllers/network/enums'

class FiatValue extends Component {
  render = () => {
    const props = this.props
    let { conversionRate } = props
    const { currentCurrency, network } = props
    const isTestnet = parseInt(network) === POA_SOKOL_CODE || parseInt(network) === RSK_TESTNET_CODE || parseInt(network) === GOERLI_TESTNET_CODE
    const isDai = parseInt(network) === DAI_CODE
    if (isTestnet) {
      conversionRate = 0
    } else if (isDai) {
      conversionRate = 1
    }
    const renderedCurrency = currentCurrency || ''

    const value = formatBalance(props.value, 6, undefined, props.network)

    if (value === 'None') return value
    const splitBalance = value.split(' ')

    const fiatTooltipNumber = Number(splitBalance[0]) * conversionRate
    const fiatDisplayNumber = fiatTooltipNumber.toFixed(countSignificantDecimals(fiatTooltipNumber, 2))

    const valueStyle = props.valueStyle ? props.valueStyle : {
      width: '100%',
      textAlign: 'right',
      fontSize: '14px',
      color: '#ffffff',
    }

    const dimStyle = props.dimStyle ? props.dimStyle : {
      color: '#60db97',
      marginLeft: '5px',
      fontSize: '14px',
    }

    return this.fiatDisplay(fiatDisplayNumber, valueStyle, dimStyle, renderedCurrency.toUpperCase())
  }

  fiatDisplay = (fiatDisplayNumber, valueStyle, dimStyle, fiatSuffix) => {

    if (fiatDisplayNumber !== 'N/A') {
      return (
        <div
          className="flex-row"
          style={{
            alignItems: 'flex-end',
            lineHeight: '14px',
            textRendering: 'geometricPrecision',
          }}
        >
          <div className="fiat-val" style={valueStyle}>{fiatDisplayNumber}</div>
          <div className="fiat-dim" style={dimStyle}>{fiatSuffix}</div>
        </div>
      )
    } else {
      return <div/>
    }
  }
}

FiatValue.propTypes = {
  conversionRate: PropTypes.number,
  currentCurrency: PropTypes.string,
  network: PropTypes.string,
}

module.exports = FiatValue