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448 lines
9.7 KiB
448 lines
9.7 KiB
const { inherits } = require('util')
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const PersistentForm = require('../lib/persistent-form')
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const h = require('react-hyperscript')
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const connect = require('react-redux').connect
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const Identicon = require('./components/identicon')
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const FromDropdown = require('./components/send/from-dropdown')
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const ToAutoComplete = require('./components/send/to-autocomplete')
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const CurrencyDisplay = require('./components/send/currency-display')
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const MemoTextArea = require('./components/send/memo-textarea')
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const GasFeeDisplay = require('./components/send/gas-fee-display-v2')
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const { MIN_GAS_TOTAL } = require('./components/send/send-constants')
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const { showModal } = require('./actions')
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const {
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multiplyCurrencies,
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conversionGreaterThan,
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addCurrencies,
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} = require('./conversion-util')
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const { isValidAddress } = require('./util')
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module.exports = SendTransactionScreen
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inherits(SendTransactionScreen, PersistentForm)
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function SendTransactionScreen () {
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PersistentForm.call(this)
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this.state = {
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dropdownOpen: false,
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errors: {
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to: null,
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amount: null,
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},
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}
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this.handleToChange = this.handleToChange.bind(this)
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this.handleAmountChange = this.handleAmountChange.bind(this)
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this.validateAmount = this.validateAmount.bind(this)
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}
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SendTransactionScreen.prototype.componentWillMount = function () {
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const {
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updateTokenExchangeRate,
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selectedToken = {},
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getGasPrice,
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estimateGas,
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selectedAddress,
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data,
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updateGasTotal,
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} = this.props
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const { symbol } = selectedToken || {}
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const estimateGasParams = {
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from: selectedAddress,
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gas: '746a528800',
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}
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if (symbol) {
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updateTokenExchangeRate(symbol)
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Object.assign(estimateGasParams, { value: '0x0' })
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}
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if (data) {
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Object.assign(estimateGasParams, { data })
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}
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Promise
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.all([
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getGasPrice(),
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estimateGas({
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from: selectedAddress,
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gas: '746a528800',
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}),
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])
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.then(([gasPrice, gas]) => {
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const newGasTotal = multiplyCurrencies(gas, gasPrice, {
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toNumericBase: 'hex',
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multiplicandBase: 16,
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multiplierBase: 16,
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})
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updateGasTotal(newGasTotal)
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})
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}
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SendTransactionScreen.prototype.renderHeaderIcon = function () {
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const { selectedToken } = this.props
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return h('div.send-v2__send-header-icon-container', [
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selectedToken
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? h(Identicon, {
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diameter: 40,
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address: selectedToken.address,
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})
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: h('img.send-v2__send-header-icon', { src: '../images/eth_logo.svg' })
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])
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}
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SendTransactionScreen.prototype.renderTitle = function () {
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const { selectedToken } = this.props
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return h('div.send-v2__title', [selectedToken ? 'Send Tokens' : 'Send Funds'])
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}
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SendTransactionScreen.prototype.renderCopy = function () {
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const { selectedToken } = this.props
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const tokenText = selectedToken ? 'tokens' : 'ETH'
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return h('div.send-v2__form-header-copy', [
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h('div.send-v2__copy', `Only send ${tokenText} to an Ethereum address.`),
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h('div.send-v2__copy', 'Sending to a different crytpocurrency that is not Ethereum may result in permanent loss.'),
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])
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}
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SendTransactionScreen.prototype.renderHeader = function () {
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return h('div', [
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h('div.send-v2__header', {}, [
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this.renderHeaderIcon(),
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h('div.send-v2__arrow-background', [
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h('i.fa.fa-lg.fa-arrow-circle-right.send-v2__send-arrow-icon'),
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]),
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h('div.send-v2__header-tip'),
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]),
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])
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}
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SendTransactionScreen.prototype.renderErrorMessage = function(errorType) {
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const { errors } = this.props
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const errorMessage = errors[errorType];
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return errorMessage
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? h('div.send-v2__error', [ errorMessage ] )
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: null
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}
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SendTransactionScreen.prototype.renderFromRow = function () {
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const {
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from,
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fromAccounts,
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conversionRate,
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setSelectedAddress,
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updateSendFrom,
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} = this.props
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const { dropdownOpen } = this.state
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return h('div.send-v2__form-row', [
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h('div.send-v2__form-label', 'From:'),
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h('div.send-v2__form-field', [
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h(FromDropdown, {
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dropdownOpen,
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accounts: fromAccounts,
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selectedAccount: from,
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onSelect: updateSendFrom,
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openDropdown: () => this.setState({ dropdownOpen: true }),
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closeDropdown: () => this.setState({ dropdownOpen: false }),
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conversionRate,
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}),
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]),
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])
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}
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SendTransactionScreen.prototype.handleToChange = function (event) {
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const { updateSendTo, updateSendErrors } = this.props
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const to = event.target.value
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let toError = null
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if (!to) {
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toError = 'Required'
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} else if (!isValidAddress(to)) {
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toError = 'Recipient address is invalid.'
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}
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updateSendTo(to)
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updateSendErrors({ to: toError })
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}
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SendTransactionScreen.prototype.renderToRow = function () {
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const { toAccounts, errors } = this.props
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const { to } = this.state
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return h('div.send-v2__form-row', [
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h('div.send-v2__form-label', [
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'To:',
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this.renderErrorMessage('to'),
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]),
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h('div.send-v2__form-field', [
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h(ToAutoComplete, {
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to,
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accounts: toAccounts,
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onChange: this.handleToChange,
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inError: Boolean(errors.to),
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}),
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]),
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])
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}
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SendTransactionScreen.prototype.handleAmountChange = function (value) {
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const amount = value
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const { updateSendAmount } = this.props
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updateSendAmount(amount)
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}
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SendTransactionScreen.prototype.validateAmount = function (value) {
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const {
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from: { balance },
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updateSendErrors,
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amountConversionRate,
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conversionRate,
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primaryCurrency,
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toCurrency,
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selectedToken,
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gasTotal,
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} = this.props
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const amount = value
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let amountError = null
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const totalAmount = addCurrencies(amount, gasTotal, {
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aBase: 16,
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bBase: 16,
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toNumericBase: 'hex',
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})
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const sufficientBalance = conversionGreaterThan(
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{
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value: balance,
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fromNumericBase: 'hex',
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fromCurrency: primaryCurrency,
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conversionRate,
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},
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{
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value: totalAmount,
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fromNumericBase: 'hex',
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conversionRate: amountConversionRate,
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fromCurrency: selectedToken || primaryCurrency,
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conversionRate: amountConversionRate,
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},
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)
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const amountLessThanZero = conversionGreaterThan(
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{ value: 0, fromNumericBase: 'dec' },
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{ value: amount, fromNumericBase: 'hex' },
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)
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if (!sufficientBalance) {
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amountError = 'Insufficient funds.'
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} else if (amountLessThanZero) {
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amountError = 'Can not send negative amounts of ETH.'
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}
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updateSendErrors({ amount: amountError })
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}
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SendTransactionScreen.prototype.renderAmountRow = function () {
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const {
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selectedToken,
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primaryCurrency = 'ETH',
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amountConversionRate,
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errors,
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} = this.props
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const { amount } = this.state
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return h('div.send-v2__form-row', [
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h('div.send-v2__form-label', [
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'Amount:',
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this.renderErrorMessage('amount'),
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]),
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h('div.send-v2__form-field', [
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h(CurrencyDisplay, {
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inError: Boolean(errors.amount),
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primaryCurrency,
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convertedCurrency: 'USD',
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value: amount,
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conversionRate: amountConversionRate,
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convertedPrefix: '$',
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handleChange: this.handleAmountChange,
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validate: this.validateAmount,
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}),
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]),
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])
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}
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SendTransactionScreen.prototype.renderGasRow = function () {
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const {
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conversionRate,
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showCustomizeGasModal,
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gasTotal = MIN_GAS_TOTAL,
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} = this.props
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return h('div.send-v2__form-row', [
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h('div.send-v2__form-label', 'Gas fee:'),
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h('div.send-v2__form-field', [
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h(GasFeeDisplay, {
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gasTotal,
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conversionRate,
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onClick: showCustomizeGasModal,
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}),
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h('div.send-v2__sliders-icon-container', {
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onClick: showCustomizeGasModal,
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}, [
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h('i.fa.fa-sliders.send-v2__sliders-icon'),
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]),
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]),
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])
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}
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SendTransactionScreen.prototype.renderMemoRow = function () {
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const { updateSendMemo } = this.props
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const { memo } = this.state
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return h('div.send-v2__form-row', [
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h('div.send-v2__form-label', 'Transaction Memo:'),
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h('div.send-v2__form-field', [
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h(MemoTextArea, {
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memo,
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onChange: (event) => updateSendMemo(event.target.value),
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})
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]),
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])
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}
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SendTransactionScreen.prototype.renderForm = function () {
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return h('div.send-v2__form', {}, [
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h('div.sendV2__form-header', [
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this.renderTitle(),
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this.renderCopy(),
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]),
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this.renderFromRow(),
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this.renderToRow(),
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this.renderAmountRow(),
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this.renderGasRow(),
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this.renderMemoRow(),
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])
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}
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SendTransactionScreen.prototype.renderFooter = function () {
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const { goHome } = this.props
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return h('div.send-v2__footer', [
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h('button.send-v2__cancel-btn', {
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onClick: goHome,
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}, 'Cancel'),
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h('button.send-v2__next-btn', {
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onClick: event => this.onSubmit(event),
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}, 'Next'),
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])
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}
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SendTransactionScreen.prototype.render = function () {
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return (
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h('div.send-v2__container', [
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this.renderHeader(),
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this.renderForm(),
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this.renderFooter(),
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])
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)
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}
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SendTransactionScreen.prototype.addToAddressBookIfNew = function (newAddress) {
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const { toAccounts, addToAddressBook } = this.props
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if (!toAccounts.find(({ address }) => newAddress === address)) {
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// TODO: nickname, i.e. addToAddressBook(recipient, nickname)
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addToAddressBook(newAddress)
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}
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}
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SendTransactionScreen.prototype.onSubmit = function (event) {
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event.preventDefault()
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const {
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from: {address: from},
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to,
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amount,
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gasLimit: gas,
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gasPrice,
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signTokenTx,
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signTx,
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selectedToken,
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toAccounts,
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} = this.props
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this.addToAddressBookIfNew(to)
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const txParams = {
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from,
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value: '0',
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gas,
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gasPrice,
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}
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if (!selectedToken) {
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txParams.value = amount
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txParams.to = to
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}
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selectedToken
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? signTokenTx(selectedToken.address, to, amount, txParams)
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: signTx(txParams)
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}
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