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439 lines
12 KiB
439 lines
12 KiB
const Component = require('react').Component
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const connect = require('react-redux').connect
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const h = require('react-hyperscript')
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const classnames = require('classnames')
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const abi = require('ethereumjs-abi')
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const inherits = require('util').inherits
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const actions = require('../../actions')
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const selectors = require('../../selectors')
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const { isValidAddress, allNull } = require('../../util')
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// const BalanceComponent = require('./balance-component')
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const Identicon = require('../identicon')
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const TokenBalance = require('../token-balance')
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const CurrencyToggle = require('../send/currency-toggle')
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const GasTooltip = require('../send/gas-tooltip')
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const GasFeeDisplay = require('../send/gas-fee-display')
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module.exports = connect(mapStateToProps, mapDispatchToProps)(SendTokenScreen)
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function mapStateToProps (state) {
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// const sidebarOpen = state.appState.sidebarOpen
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const { warning } = state.appState
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const identities = state.metamask.identities
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const addressBook = state.metamask.addressBook
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const conversionRate = state.metamask.conversionRate
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const currentBlockGasLimit = state.metamask.currentBlockGasLimit
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const accounts = state.metamask.accounts
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const selectedTokenAddress = state.metamask.selectedTokenAddress
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const selectedAddress = state.metamask.selectedAddress || Object.keys(accounts)[0]
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const selectedToken = selectors.getSelectedToken(state)
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const tokenExchangeRates = state.metamask.tokenExchangeRates
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const pair = `${selectedToken.symbol.toLowerCase()}_eth`
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const { rate: tokenExchangeRate = 0 } = tokenExchangeRates[pair] || {}
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return {
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selectedAddress,
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selectedTokenAddress,
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identities,
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addressBook,
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conversionRate,
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tokenExchangeRate,
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currentBlockGasLimit,
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selectedToken,
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warning,
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}
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}
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function mapDispatchToProps (dispatch) {
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return {
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backToAccountDetail: address => dispatch(actions.backToAccountDetail(address)),
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hideWarning: () => dispatch(actions.hideWarning()),
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addToAddressBook: (recipient, nickname) => dispatch(
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actions.addToAddressBook(recipient, nickname)
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),
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signTx: txParams => dispatch(actions.signTx(txParams)),
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signTokenTx: (tokenAddress, toAddress, amount, txData) => (
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dispatch(actions.signTokenTx(tokenAddress, toAddress, amount, txData))
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),
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updateTokenExchangeRate: token => dispatch(actions.updateTokenExchangeRate(token)),
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estimateGas: params => dispatch(actions.estimateGas(params)),
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getGasPrice: () => dispatch(actions.getGasPrice()),
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}
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}
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inherits(SendTokenScreen, Component)
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function SendTokenScreen () {
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Component.call(this)
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this.state = {
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to: '',
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amount: '0x0',
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amountToSend: '0x0',
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selectedCurrency: 'USD',
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isGasTooltipOpen: false,
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gasPrice: null,
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gasLimit: null,
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errors: {},
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}
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}
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SendTokenScreen.prototype.componentWillMount = function () {
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const {
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updateTokenExchangeRate,
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selectedToken: { symbol },
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getGasPrice,
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estimateGas,
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selectedAddress,
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} = this.props
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updateTokenExchangeRate(symbol)
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const data = Array.prototype.map.call(
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abi.rawEncode(['address', 'uint256'], [selectedAddress, '0x0']),
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x => ('00' + x.toString(16)).slice(-2)
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).join('')
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console.log(data)
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Promise.all([
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getGasPrice(),
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estimateGas({
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from: selectedAddress,
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value: '0x0',
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gas: '746a528800',
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data,
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}),
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])
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.then(([blockGasPrice, estimatedGas]) => {
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console.log({ blockGasPrice, estimatedGas})
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this.setState({
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gasPrice: blockGasPrice,
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gasLimit: estimatedGas,
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})
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})
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}
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SendTokenScreen.prototype.validate = function () {
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const {
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to,
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amount: stringAmount,
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gasPrice: hexGasPrice,
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gasLimit: hexGasLimit,
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} = this.state
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const gasPrice = parseInt(hexGasPrice, 16)
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const gasLimit = parseInt(hexGasLimit, 16) / 1000000000
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const amount = Number(stringAmount)
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const errors = {
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to: !to ? 'Required' : null,
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amount: !amount ? 'Required' : null,
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gasPrice: !gasPrice ? 'Gas Price Required' : null,
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gasLimit: !gasLimit ? 'Gas Limit Required' : null,
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}
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if (to && !isValidAddress(to)) {
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errors.to = 'Invalid address'
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}
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const isValid = Object.entries(errors).every(([key, value]) => value === null)
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return {
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isValid,
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errors: isValid ? {} : errors,
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}
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}
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SendTokenScreen.prototype.setErrorsFor = function (field) {
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const { errors: previousErrors } = this.state
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const {
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isValid,
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errors: newErrors
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} = this.validate()
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const nextErrors = Object.assign({}, previousErrors, {
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[field]: newErrors[field] || null
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})
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if (!isValid) {
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this.setState({
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errors: nextErrors,
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isValid,
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})
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}
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}
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SendTokenScreen.prototype.clearErrorsFor = function (field) {
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const { errors: previousErrors } = this.state
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const nextErrors = Object.assign({}, previousErrors, {
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[field]: null
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})
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this.setState({
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errors: nextErrors,
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isValid: allNull(nextErrors),
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})
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}
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SendTokenScreen.prototype.getAmountToSend = function (amount, selectedToken) {
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const { decimals } = selectedToken || {}
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const multiplier = Math.pow(10, Number(decimals || 0))
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const sendAmount = '0x' + Number(amount * multiplier).toString(16)
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return sendAmount
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}
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SendTokenScreen.prototype.submit = function () {
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const {
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to,
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amount,
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gasPrice,
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gasLimit,
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} = this.state
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const {
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identities,
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selectedAddress,
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selectedTokenAddress,
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hideWarning,
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addToAddressBook,
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signTokenTx,
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selectedToken,
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} = this.props
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const { nickname = ' ' } = identities[to] || {}
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hideWarning()
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addToAddressBook(to, nickname)
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const txParams = {
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from: selectedAddress,
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value: '0',
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gas: gasLimit,
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gasPrice: gasPrice,
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}
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const sendAmount = this.getAmountToSend(amount, selectedToken)
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signTokenTx(selectedTokenAddress, to, sendAmount, txParams)
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}
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SendTokenScreen.prototype.renderToAddressInput = function () {
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const {
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identities,
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addressBook,
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} = this.props
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const {
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to,
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errors: { to: errorMessage },
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} = this.state
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return h('div', {
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className: classnames('send-screen-input-wrapper', {
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'send-screen-input-wrapper--error': errorMessage,
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}),
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}, [
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h('div', ['To:']),
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h('input.large-input.send-screen-input', {
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name: 'address',
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list: 'addresses',
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placeholder: 'Address',
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value: to,
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onChange: e => this.setState({
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to: e.target.value,
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errors: {},
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}),
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onBlur: () => {
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this.setErrorsFor('to')
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},
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onFocus: event => {
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if (to) event.target.select()
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this.clearErrorsFor('to')
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},
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}),
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h('datalist#addresses', [
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// Corresponds to the addresses owned.
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Object.entries(identities).map(([key, { address, name }]) => {
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return h('option', {
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value: address,
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label: name,
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key: address,
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})
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}),
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addressBook.map(({ address, name }) => {
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return h('option', {
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value: address,
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label: name,
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key: address,
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})
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}),
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]),
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h('div.send-screen-input-wrapper__error-message', [ errorMessage ]),
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])
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}
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SendTokenScreen.prototype.renderAmountInput = function () {
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const {
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selectedCurrency,
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amount,
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errors: { amount: errorMessage },
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} = this.state
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const {
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tokenExchangeRate,
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selectedToken: {symbol},
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} = this.props
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return h('div.send-screen-input-wrapper', {
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className: classnames('send-screen-input-wrapper', {
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'send-screen-input-wrapper--error': errorMessage,
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}),
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}, [
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h('div.send-screen-amount-labels', [
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h('span', ['Amount']),
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h(CurrencyToggle, {
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currentCurrency: tokenExchangeRate ? selectedCurrency : 'USD',
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currencies: tokenExchangeRate ? [ symbol, 'USD' ] : [],
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onClick: currency => this.setState({ selectedCurrency: currency }),
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}),
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]),
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h('input.large-input.send-screen-input', {
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placeholder: `0 ${symbol}`,
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type: 'number',
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value: amount,
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onChange: e => this.setState({
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amount: e.target.value,
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}),
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onBlur: () => {
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this.setErrorsFor('amount')
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},
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onFocus: () => this.clearErrorsFor('amount'),
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}),
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h('div.send-screen-input-wrapper__error-message', [ errorMessage ]),
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])
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}
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SendTokenScreen.prototype.renderGasInput = function () {
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const {
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isGasTooltipOpen,
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gasPrice,
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gasLimit,
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selectedCurrency,
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errors: {
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gasPrice: gasPriceErrorMessage,
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gasLimit: gasLimitErrorMessage,
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},
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} = this.state
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const {
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conversionRate,
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tokenExchangeRate,
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currentBlockGasLimit,
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} = this.props
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return h('div.send-screen-input-wrapper', {
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className: classnames('send-screen-input-wrapper', {
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'send-screen-input-wrapper--error': gasPriceErrorMessage || gasLimitErrorMessage,
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}),
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}, [
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isGasTooltipOpen && h(GasTooltip, {
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className: 'send-tooltip',
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gasPrice: gasPrice || '0x0',
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gasLimit: gasLimit || '0x0',
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onClose: () => this.setState({ isGasTooltipOpen: false }),
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onFeeChange: ({ gasLimit, gasPrice }) => {
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this.setState({ gasLimit, gasPrice, errors: {} })
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},
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onBlur: () => {
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this.setErrorsFor('gasLimit')
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this.setErrorsFor('gasPrice')
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},
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onFocus: () => {
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this.clearErrorsFor('gasLimit')
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this.clearErrorsFor('gasPrice')
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},
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}),
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h('div.send-screen-gas-labels', {}, [
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h('span', [ h('i.fa.fa-bolt'), 'Gas fee:']),
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h('span', ['What\'s this?']),
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]),
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h('div.large-input.send-screen-gas-input', [
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h(GasFeeDisplay, {
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conversionRate,
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tokenExchangeRate,
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gasPrice: gasPrice || '0x0',
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activeCurrency: selectedCurrency,
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gas: gasLimit || '0x0',
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blockGasLimit: currentBlockGasLimit,
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}),
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h(
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'div.send-screen-gas-input-customize',
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{ onClick: () => this.setState({ isGasTooltipOpen: !isGasTooltipOpen }) },
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['Customize']
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),
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]),
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h('div.send-screen-input-wrapper__error-message', [
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gasPriceErrorMessage || gasLimitErrorMessage,
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]),
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])
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}
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SendTokenScreen.prototype.renderMemoInput = function () {
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return h('div.send-screen-input-wrapper', [
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h('div', {}, ['Transaction memo (optional)']),
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h(
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'input.large-input.send-screen-input',
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{ onChange: e => this.setState({ memo: e.target.value }) }
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),
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])
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}
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SendTokenScreen.prototype.renderButtons = function () {
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const { selectedAddress, backToAccountDetail } = this.props
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const { isValid } = this.validate()
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return h('div.send-token__button-group', [
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h('button.send-token__button-next.btn-secondary', {
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className: !isValid && 'send-screen__send-button__disabled',
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onClick: () => isValid && this.submit(),
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}, ['Next']),
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h('button.send-token__button-cancel.btn-tertiary', {
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onClick: () => backToAccountDetail(selectedAddress),
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}, ['Cancel']),
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])
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}
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SendTokenScreen.prototype.render = function () {
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const {
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selectedTokenAddress,
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selectedToken,
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warning,
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} = this.props
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return h('div.send-token', [
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h('div.send-token__content', [
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h(Identicon, {
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diameter: 75,
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address: selectedTokenAddress,
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}),
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h('div.send-token__title', ['Send Tokens']),
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h('div.send-token__description', ['Send Tokens to anyone with an Ethereum account']),
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h('div.send-token__balance-text', ['Your Token Balance is:']),
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h('div.send-token__token-balance', [
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h(TokenBalance, { token: selectedToken, balanceOnly: true }),
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]),
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h('div.send-token__token-symbol', [selectedToken.symbol]),
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this.renderToAddressInput(),
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this.renderAmountInput(),
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this.renderGasInput(),
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this.renderMemoInput(),
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warning && h('div.send-screen-input-wrapper--error', {},
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h('div.send-screen-input-wrapper__error-message', [
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warning,
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])
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),
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]),
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this.renderButtons(),
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])
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}
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