const Component = require('react').Component const connect = require('react-redux').connect const h = require('react-hyperscript') const inherits = require('util').inherits const TokenBalance = require('./token-balance') const Identicon = require('./identicon') const currencyFormatter = require('currency-formatter') const currencies = require('currency-formatter/currencies') const { formatBalance, generateBalanceObject } = require('../util') module.exports = connect(mapStateToProps)(BalanceComponent) function mapStateToProps (state) { const accounts = state.metamask.accounts const network = state.metamask.network const selectedAddress = state.metamask.selectedAddress || Object.keys(accounts)[0] const account = accounts[selectedAddress] return { account, network, conversionRate: state.metamask.conversionRate, currentCurrency: state.metamask.currentCurrency, } } inherits(BalanceComponent, Component) function BalanceComponent () { Component.call(this) } BalanceComponent.prototype.render = function () { const props = this.props const { token, network } = props return h('div.balance-container', {}, [ // TODO: balance icon needs to be passed in // h('img.balance-icon', { // src: '../images/eth_logo.svg', // style: {}, // }), h(Identicon, { diameter: 50, address: token && token.address, network, }), token ? this.renderTokenBalance() : this.renderBalance(), ]) } BalanceComponent.prototype.renderTokenBalance = function () { const { token } = this.props return h('div.flex-column.balance-display', [ h('div.token-amount', [ h(TokenBalance, { token }) ]), ]) } BalanceComponent.prototype.renderBalance = function () { const props = this.props const { shorten, account } = props const balanceValue = account && account.balance const needsParse = 'needsParse' in props ? props.needsParse : true const formattedBalance = balanceValue ? formatBalance(balanceValue, 6, needsParse) : '...' const showFiat = 'showFiat' in props ? props.showFiat : true if (formattedBalance === 'None' || formattedBalance === '...') { return h('div.flex-column.balance-display', {}, [ h('div.token-amount', { style: {}, }, formattedBalance), ]) } return h('div.flex-column.balance-display', {}, [ h('div.token-amount', { style: {}, }, this.getTokenBalance(formattedBalance, shorten)), showFiat ? this.renderFiatValue(formattedBalance) : null, ]) } BalanceComponent.prototype.renderFiatValue = function (formattedBalance) { const { conversionRate, currentCurrency } = this.props const fiatDisplayNumber = this.getFiatDisplayNumber(formattedBalance, conversionRate) const fiatPrefix = currentCurrency === 'USD' ? '$' : '' return this.renderFiatAmount(fiatDisplayNumber, currentCurrency, fiatPrefix) } BalanceComponent.prototype.renderFiatAmount = function (fiatDisplayNumber, fiatSuffix, fiatPrefix) { const shouldNotRenderFiat = fiatDisplayNumber === 'N/A' || Number(fiatDisplayNumber) === 0 if (shouldNotRenderFiat) return null const upperCaseFiatSuffix = fiatSuffix.toUpperCase() const display = currencies.find(currency => currency.code === upperCaseFiatSuffix) ? currencyFormatter.format(Number(fiatDisplayNumber), { code: upperCaseFiatSuffix, }) : `${fiatPrefix}${fiatDisplayNumber} ${upperCaseFiatSuffix}` return h('div.fiat-amount', { style: {}, }, display) } BalanceComponent.prototype.getTokenBalance = function (formattedBalance, shorten) { const balanceObj = generateBalanceObject(formattedBalance, shorten ? 1 : 3) const balanceValue = shorten ? balanceObj.shortBalance : balanceObj.balance const label = balanceObj.label return `${balanceValue} ${label}` } BalanceComponent.prototype.getFiatDisplayNumber = function (formattedBalance, conversionRate) { if (formattedBalance === 'None') return formattedBalance if (conversionRate === 0) return 'N/A' const splitBalance = formattedBalance.split(' ') const convertedNumber = (Number(splitBalance[0]) * conversionRate) const wholePart = Math.floor(convertedNumber) const decimalPart = convertedNumber - wholePart return wholePart + Number(decimalPart.toPrecision(2)) }