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358 lines
10 KiB
358 lines
10 KiB
const { Component } = require('react')
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const connect = require('react-redux').connect
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const h = require('react-hyperscript')
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const PropTypes = require('prop-types')
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const actions = require('../../actions')
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const clone = require('clone')
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const ethUtil = require('ethereumjs-util')
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const BN = ethUtil.BN
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const hexToBn = require('../../../../app/scripts/lib/hex-to-bn')
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const { conversionUtil } = require('../../conversion-util')
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const SenderToRecipient = require('../sender-to-recipient')
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const NetworkDisplay = require('../network-display')
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const { MIN_GAS_PRICE_HEX } = require('../send/send.constants')
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class ConfirmDeployContract extends Component {
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constructor (props) {
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super(props)
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this.state = {
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valid: false,
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submitting: false,
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}
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}
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onSubmit (event) {
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event.preventDefault()
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const txMeta = this.gatherTxMeta()
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const valid = this.checkValidity()
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this.setState({ valid, submitting: true })
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if (valid && this.verifyGasParams()) {
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this.props.sendTransaction(txMeta, event)
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} else {
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this.props.displayWarning(this.context.t('invalidGasParams'))
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this.setState({ submitting: false })
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}
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}
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cancel (event, txMeta) {
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event.preventDefault()
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this.props.cancelTransaction(txMeta)
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}
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checkValidity () {
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const form = this.getFormEl()
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const valid = form.checkValidity()
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return valid
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}
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getFormEl () {
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const form = document.querySelector('form#pending-tx-form')
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// Stub out form for unit tests:
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if (!form) {
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return { checkValidity () { return true } }
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}
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return form
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}
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// After a customizable state value has been updated,
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gatherTxMeta () {
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const props = this.props
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const state = this.state
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const txData = clone(state.txData) || clone(props.txData)
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// log.debug(`UI has defaulted to tx meta ${JSON.stringify(txData)}`)
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return txData
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}
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verifyGasParams () {
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// We call this in case the gas has not been modified at all
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if (!this.state) { return true }
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return (
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this._notZeroOrEmptyString(this.state.gas) &&
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this._notZeroOrEmptyString(this.state.gasPrice)
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)
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}
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_notZeroOrEmptyString (obj) {
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return obj !== '' && obj !== '0x0'
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}
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bnMultiplyByFraction (targetBN, numerator, denominator) {
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const numBN = new BN(numerator)
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const denomBN = new BN(denominator)
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return targetBN.mul(numBN).div(denomBN)
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}
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getData () {
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const { identities } = this.props
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const txMeta = this.gatherTxMeta()
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const txParams = txMeta.txParams || {}
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return {
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from: {
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address: txParams.from,
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name: identities[txParams.from].name,
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},
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memo: txParams.memo || '',
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}
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}
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getAmount () {
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const { conversionRate, currentCurrency } = this.props
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const txMeta = this.gatherTxMeta()
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const txParams = txMeta.txParams || {}
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const FIAT = conversionUtil(txParams.value, {
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fromNumericBase: 'hex',
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toNumericBase: 'dec',
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fromCurrency: 'ETH',
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toCurrency: currentCurrency,
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numberOfDecimals: 2,
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fromDenomination: 'WEI',
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conversionRate,
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})
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const ETH = conversionUtil(txParams.value, {
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fromNumericBase: 'hex',
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toNumericBase: 'dec',
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fromCurrency: 'ETH',
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toCurrency: 'ETH',
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fromDenomination: 'WEI',
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conversionRate,
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numberOfDecimals: 6,
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})
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return {
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fiat: Number(FIAT),
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token: Number(ETH),
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}
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}
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getGasFee () {
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const { conversionRate, currentCurrency } = this.props
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const txMeta = this.gatherTxMeta()
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const txParams = txMeta.txParams || {}
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// Gas
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const gas = txParams.gas
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const gasBn = hexToBn(gas)
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// Gas Price
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const gasPrice = txParams.gasPrice || MIN_GAS_PRICE_HEX
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const gasPriceBn = hexToBn(gasPrice)
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const txFeeBn = gasBn.mul(gasPriceBn)
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const FIAT = conversionUtil(txFeeBn, {
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fromNumericBase: 'BN',
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toNumericBase: 'dec',
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fromDenomination: 'WEI',
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fromCurrency: 'ETH',
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toCurrency: currentCurrency,
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numberOfDecimals: 2,
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conversionRate,
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})
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const ETH = conversionUtil(txFeeBn, {
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fromNumericBase: 'BN',
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toNumericBase: 'dec',
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fromDenomination: 'WEI',
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fromCurrency: 'ETH',
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toCurrency: 'ETH',
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numberOfDecimals: 6,
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conversionRate,
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})
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return {
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fiat: Number(FIAT),
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eth: Number(ETH),
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}
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}
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renderGasFee () {
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const { currentCurrency } = this.props
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const { fiat: fiatGas, eth: ethGas } = this.getGasFee()
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return (
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h('section.flex-row.flex-center.confirm-screen-row', [
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h('span.confirm-screen-label.confirm-screen-section-column', [ this.context.t('gasFee') ]),
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h('div.confirm-screen-section-column', [
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h('div.confirm-screen-row-info', `${fiatGas} ${currentCurrency.toUpperCase()}`),
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h(
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'div.confirm-screen-row-detail',
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`${ethGas} ETH`
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),
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]),
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])
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)
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}
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renderHeroAmount () {
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const { currentCurrency } = this.props
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const { fiat: fiatAmount } = this.getAmount()
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const txMeta = this.gatherTxMeta()
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const txParams = txMeta.txParams || {}
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const { memo = '' } = txParams
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return (
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h('div.confirm-send-token__hero-amount-wrapper', [
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h('h3.flex-center.confirm-screen-send-amount', `${fiatAmount}`),
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h('h3.flex-center.confirm-screen-send-amount-currency', currentCurrency.toUpperCase()),
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h('div.flex-center.confirm-memo-wrapper', [
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h('h3.confirm-screen-send-memo', memo),
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]),
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])
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)
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}
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renderTotalPlusGas () {
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const { currentCurrency } = this.props
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const { fiat: fiatAmount, token: tokenAmount } = this.getAmount()
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const { fiat: fiatGas, eth: ethGas } = this.getGasFee()
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return (
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h('section.flex-row.flex-center.confirm-screen-row.confirm-screen-total-box ', [
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h('div.confirm-screen-section-column', [
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h('span.confirm-screen-label', [ this.context.t('total') + ' ' ]),
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h('div.confirm-screen-total-box__subtitle', [ this.context.t('amountPlusGas') ]),
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]),
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h('div.confirm-screen-section-column', [
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h('div.confirm-screen-row-info', `${fiatAmount + fiatGas} ${currentCurrency.toUpperCase()}`),
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h('div.confirm-screen-row-detail', `${tokenAmount + ethGas} ETH`),
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]),
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])
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)
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}
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render () {
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const { backToAccountDetail, selectedAddress } = this.props
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const txMeta = this.gatherTxMeta()
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const {
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from: {
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address: fromAddress,
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name: fromName,
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},
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} = this.getData()
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this.inputs = []
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return (
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h('.page-container', [
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h('.page-container__header', [
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h('.page-container__header-row', [
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h('span.page-container__back-button', {
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onClick: () => backToAccountDetail(selectedAddress),
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}, this.context.t('back')),
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window.METAMASK_UI_TYPE === 'notification' && h(NetworkDisplay),
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]),
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h('.page-container__title', this.context.t('confirmContract')),
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h('.page-container__subtitle', this.context.t('pleaseReviewTransaction')),
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]),
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// Main Send token Card
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h('.page-container__content', [
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h(SenderToRecipient, {
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senderName: fromName,
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senderAddress: fromAddress,
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}),
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// h('h3.flex-center.confirm-screen-sending-to-message', {
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// style: {
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// textAlign: 'center',
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// fontSize: '16px',
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// },
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// }, [
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// `You're deploying a new contract.`,
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// ]),
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this.renderHeroAmount(),
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h('div.confirm-screen-rows', [
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h('section.flex-row.flex-center.confirm-screen-row', [
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h('span.confirm-screen-label.confirm-screen-section-column', [ this.context.t('from') ]),
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h('div.confirm-screen-section-column', [
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h('div.confirm-screen-row-info', fromName),
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h('div.confirm-screen-row-detail', `...${fromAddress.slice(fromAddress.length - 4)}`),
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]),
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]),
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h('section.flex-row.flex-center.confirm-screen-row', [
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h('span.confirm-screen-label.confirm-screen-section-column', [ this.context.t('to') ]),
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h('div.confirm-screen-section-column', [
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h('div.confirm-screen-row-info', this.context.t('newContract')),
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]),
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]),
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this.renderGasFee(),
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this.renderTotalPlusGas(),
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]),
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]),
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h('form#pending-tx-form', {
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onSubmit: event => this.onSubmit(event),
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}, [
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h('.page-container__footer', [
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// Cancel Button
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h('button.btn-cancel.page-container__footer-button.allcaps', {
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onClick: event => this.cancel(event, txMeta),
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}, this.context.t('cancel')),
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// Accept Button
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h('button.btn-confirm.page-container__footer-button.allcaps', {
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onClick: event => this.onSubmit(event),
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}, this.context.t('confirm')),
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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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ConfirmDeployContract.propTypes = {
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sendTransaction: PropTypes.func,
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cancelTransaction: PropTypes.func,
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backToAccountDetail: PropTypes.func,
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displayWarning: PropTypes.func,
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identities: PropTypes.object,
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conversionRate: PropTypes.number,
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currentCurrency: PropTypes.string,
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selectedAddress: PropTypes.string,
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t: PropTypes.func,
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}
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const mapStateToProps = state => {
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const {
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conversionRate,
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identities,
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currentCurrency,
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} = state.metamask
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const accounts = state.metamask.accounts
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const selectedAddress = state.metamask.selectedAddress || Object.keys(accounts)[0]
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return {
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currentCurrency,
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conversionRate,
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identities,
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selectedAddress,
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}
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}
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const mapDispatchToProps = dispatch => {
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return {
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backToAccountDetail: address => dispatch(actions.backToAccountDetail(address)),
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cancelTransaction: ({ id }) => dispatch(actions.cancelTx({ id })),
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displayWarning: warning => actions.displayWarning(warning),
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}
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}
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ConfirmDeployContract.contextTypes = {
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t: PropTypes.func,
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}
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module.exports = connect(mapStateToProps, mapDispatchToProps)(ConfirmDeployContract)
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