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502 lines
13 KiB
502 lines
13 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 EnsInput = require('./components/ens-input')
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const GasTooltip = require('./components/send/gas-tooltip')
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const CurrencyToggle = require('./components/send/currency-toggle')
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const GasFeeDisplay = require('./components/send/gas-fee-display')
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const { getSelectedIdentity } = require('./selectors')
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const {
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showAccountsPage,
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backToAccountDetail,
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displayWarning,
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hideWarning,
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addToAddressBook,
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signTx,
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} = require('./actions')
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const { stripHexPrefix, addHexPrefix } = require('ethereumjs-util')
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const { isHex, numericBalance, isValidAddress, allNull } = require('./util')
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const { conversionUtil, conversionGreaterThan } = require('./conversion-util')
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const BigNumber = require('bignumber.js')
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module.exports = connect(mapStateToProps)(SendTransactionScreen)
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function mapStateToProps (state) {
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const {
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selectedAddress: address,
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accounts,
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identities,
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network,
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addressBook,
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conversionRate,
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currentBlockGasLimit: blockGasLimit,
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} = state.metamask
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const { warning } = state.appState
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const selectedIdentity = getSelectedIdentity(state)
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const account = accounts[address]
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return {
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address,
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accounts,
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identities,
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network,
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addressBook,
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conversionRate,
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blockGasLimit,
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warning,
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selectedIdentity,
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error: warning && warning.split('.')[0],
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account,
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identity: identities[address],
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balance: account ? account.balance : null,
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}
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}
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inherits(SendTransactionScreen, PersistentForm)
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function SendTransactionScreen () {
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PersistentForm.call(this)
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// [WIP] These are the bare minimum of tx props needed to sign a transaction
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// We will need a few more for contract-related interactions
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this.state = {
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newTx: {
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from: '',
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to: '',
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amount: 0,
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amountToSend: '0x0',
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gasPrice: '0x5d21dba00',
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gas: '0x7b0d',
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txData: null,
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memo: '',
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},
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activeCurrency: 'USD',
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tooltipIsOpen: false,
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errors: {},
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isValid: false,
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}
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this.back = this.back.bind(this)
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this.closeTooltip = this.closeTooltip.bind(this)
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this.onSubmit = this.onSubmit.bind(this)
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this.setActiveCurrency = this.setActiveCurrency.bind(this)
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this.toggleTooltip = this.toggleTooltip.bind(this)
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this.validate = this.validate.bind(this)
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this.getAmountToSend = this.getAmountToSend.bind(this)
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this.setErrorsFor = this.setErrorsFor.bind(this)
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this.clearErrorsFor = this.clearErrorsFor.bind(this)
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this.renderFromInput = this.renderFromInput.bind(this)
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this.renderToInput = this.renderToInput.bind(this)
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this.renderAmountInput = this.renderAmountInput.bind(this)
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this.renderGasInput = this.renderGasInput.bind(this)
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this.renderMemoInput = this.renderMemoInput.bind(this)
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this.renderErrorMessage = this.renderErrorMessage.bind(this)
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}
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SendTransactionScreen.prototype.renderErrorMessage = function(errorType, warning) {
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const { errors } = this.state
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const errorMessage = errors[errorType];
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return errorMessage || warning
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? h('div.send-screen-input-wrapper__error-message', [ errorMessage || warning ])
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: null
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}
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SendTransactionScreen.prototype.renderFromInput = function (from, identities) {
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return h('div.send-screen-input-wrapper', [
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h('div', 'From:'),
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h('input.large-input.send-screen-input', {
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list: 'accounts',
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placeholder: 'Account',
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value: from,
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onChange: (event) => {
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this.setState({
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newTx: {
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...this.state.newTx,
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from: event.target.value,
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},
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})
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},
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onBlur: () => this.setErrorsFor('from'),
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onFocus: () => this.clearErrorsFor('from'),
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}),
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h('datalist#accounts', [
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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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]),
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this.renderErrorMessage('from'),
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])
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}
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SendTransactionScreen.prototype.renderToInput = function (to, identities, addressBook) {
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return h('div.send-screen-input-wrapper', [
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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: (event) => {
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this.setState({
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newTx: {
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...this.state.newTx,
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to: event.target.value,
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},
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})
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},
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onBlur: () => this.setErrorsFor('to'),
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onFocus: () => this.clearErrorsFor('to'),
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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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// Corresponds to previously sent-to addresses.
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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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this.renderErrorMessage('to'),
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])
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}
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SendTransactionScreen.prototype.renderAmountInput = function (activeCurrency) {
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return h('div.send-screen-input-wrapper', [
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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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activeCurrency,
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onClick: (newCurrency) => this.setActiveCurrency(newCurrency),
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}), // holding on icon from design
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]),
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h('input.large-input.send-screen-input', {
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placeholder: `0 ${activeCurrency}`,
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type: 'number',
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onChange: (event) => {
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this.setState({
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newTx: Object.assign(
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this.state.newTx,
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{
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amount: event.target.value,
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amountToSend: this.getAmountToSend(event.target.value),
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}
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),
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})
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},
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onBlur: () => this.setErrorsFor('amount'),
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onFocus: () => this.clearErrorsFor('amount'),
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}),
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this.renderErrorMessage('amount'),
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])
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}
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SendTransactionScreen.prototype.renderGasInput = function (gasPrice, gas, activeCurrency, conversionRate, blockGasLimit) {
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return h('div.send-screen-input-wrapper', [
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this.state.tooltipIsOpen && h(GasTooltip, {
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className: 'send-tooltip',
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gasPrice,
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gasLimit: gas,
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onClose: this.closeTooltip,
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onFeeChange: ({gasLimit, gasPrice}) => {
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this.setState({
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newTx: {
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...this.state.newTx,
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gas: gasLimit,
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gasPrice,
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},
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})
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},
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}),
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h('div.send-screen-gas-labels', [
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h('span', [
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h('i.fa.fa-bolt'),
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'Gas fee:',
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]),
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h('span', 'What\'s this?'),
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]),
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// TODO: handle loading time when switching to USD
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h('div.large-input.send-screen-gas-input', {}, [
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h(GasFeeDisplay, {
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activeCurrency,
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conversionRate,
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gas,
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gasPrice,
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blockGasLimit,
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}),
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h('div.send-screen-gas-input-customize', {
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onClick: this.toggleTooltip,
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}, [
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'Customize',
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]),
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]),
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])
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}
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SendTransactionScreen.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('input.large-input.send-screen-input', {
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onChange: () => {
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this.setState({
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newTx: Object.assign(
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this.state.newTx,
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{
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memo: event.target.value,
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}
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),
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})
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},
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}),
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])
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}
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SendTransactionScreen.prototype.render = function () {
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this.persistentFormParentId = 'send-tx-form'
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const props = this.props
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const {
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warning,
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identities,
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addressBook,
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conversionRate,
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} = props
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const { blockGasLimit, newTx, activeCurrency, isValid } = this.state
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const { gas, gasPrice } = newTx
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return (
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h('div.send-screen-wrapper', [
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// Main Send token Card
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h('div.send-screen-card', [
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h('img.send-eth-icon', { src: '../images/eth_logo.svg' }),
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h('div.send-screen__title', 'Send'),
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h('div.send-screen__subtitle', 'Send Ethereum to anyone with an Ethereum account'),
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this.renderFromInput(this.state.newTx.from, identities),
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this.renderToInput(this.state.newTx.to, identities, addressBook),
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this.renderAmountInput(activeCurrency),
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this.renderGasInput(gasPrice, gas, activeCurrency, conversionRate, blockGasLimit),
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this.renderMemoInput(),
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this.renderErrorMessage(null, warning),
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]),
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// Buttons underneath card
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h('section.flex-column.flex-center', [
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h('button.btn-secondary.send-screen__send-button', {
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className: !isValid && 'send-screen__send-button__disabled',
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onClick: (event) => isValid && this.onSubmit(event),
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}, 'Next'),
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h('button.btn-tertiary.send-screen__cancel-button', {
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onClick: this.back,
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}, 'Cancel'),
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]),
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])
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)
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}
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SendTransactionScreen.prototype.toggleTooltip = function () {
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this.setState({ tooltipIsOpen: !this.state.tooltipIsOpen })
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}
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SendTransactionScreen.prototype.closeTooltip = function () {
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this.setState({ tooltipIsOpen: false })
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}
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SendTransactionScreen.prototype.setActiveCurrency = function (newCurrency) {
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this.setState({ activeCurrency: newCurrency })
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}
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SendTransactionScreen.prototype.back = function () {
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var address = this.props.address
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this.props.dispatch(backToAccountDetail(address))
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}
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SendTransactionScreen.prototype.validate = function (balance, amountToSend, { to, from }) {
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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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},
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{
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value: amountToSend,
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fromNumericBase: 'hex',
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},
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)
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const amountLessThanZero = conversionGreaterThan(
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{
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value: 0,
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fromNumericBase: 'dec',
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},
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{
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value: amountToSend,
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fromNumericBase: 'hex',
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},
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)
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const errors = {}
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if (!sufficientBalance) {
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errors.amount = 'Insufficient funds.'
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}
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if (amountLessThanZero) {
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errors.amount = 'Can not send negative amounts of ETH.'
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}
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if (!from) {
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errors.from = 'Required'
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}
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if (from && !isValidAddress(from)) {
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errors.from = 'Sender address is invalid.'
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}
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if (!to) {
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errors.to = 'Required'
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}
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if (to && !isValidAddress(to)) {
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errors.to = 'Recipient address is invalid.'
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}
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// if (txData && !isHex(stripHexPrefix(txData))) {
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// message = 'Transaction data must be hex string.'
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// return this.props.dispatch(displayWarning(message))
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// }
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return {
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isValid: allNull(errors),
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errors,
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}
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}
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SendTransactionScreen.prototype.getAmountToSend = function (amount) {
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const { activeCurrency } = this.state
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const { conversionRate } = this.props
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// TODO: need a clean way to integrate this into conversionUtil
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const sendConversionRate = activeCurrency === 'ETH'
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? conversionRate
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: new BigNumber(1.0).div(conversionRate)
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return conversionUtil(amount, {
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fromNumericBase: 'dec',
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toNumericBase: 'hex',
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fromCurrency: activeCurrency,
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toCurrency: 'ETH',
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toDenomination: 'WEI',
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conversionRate: sendConversionRate,
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})
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}
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SendTransactionScreen.prototype.setErrorsFor = function (field) {
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const { balance } = this.props
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const { newTx, errors: previousErrors } = this.state
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const { amountToSend } = newTx
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const {
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isValid,
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errors: newErrors
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} = this.validate(balance, amountToSend, newTx)
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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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SendTransactionScreen.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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SendTransactionScreen.prototype.onSubmit = function (event) {
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event.preventDefault()
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const { warning, balance, amountToSend } = this.props
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const state = this.state || {}
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const recipient = state.newTx.to
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const sender = state.newTx.from
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const nickname = state.nickname || ' '
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// TODO: convert this to hex when created and include it in send
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const txData = state.newTx.memo
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this.props.dispatch(hideWarning())
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this.props.dispatch(addToAddressBook(recipient, nickname))
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var txParams = {
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from: this.state.newTx.from,
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to: this.state.newTx.to,
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value: amountToSend,
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gas: this.state.newTx.gas,
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gasPrice: this.state.newTx.gasPrice,
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}
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if (recipient) txParams.to = addHexPrefix(recipient)
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if (txData) txParams.data = txData
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this.props.dispatch(signTx(txParams))
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}
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