mirror of
https://github.com/kremalicious/metamask-extension.git
synced 2024-11-24 19:10:22 +01:00
475 lines
14 KiB
JavaScript
475 lines
14 KiB
JavaScript
const Component = require('react').Component
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const { connect } = require('react-redux')
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const h = require('react-hyperscript')
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const inherits = require('util').inherits
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const actions = require('../../actions')
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const clone = require('clone')
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const Identicon = require('../identicon')
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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, addCurrencies } = require('../../conversion-util')
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const t = require('../../../i18n')
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const { MIN_GAS_PRICE_HEX } = require('../send/send-constants')
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module.exports = connect(mapStateToProps, mapDispatchToProps)(ConfirmSendEther)
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function 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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send,
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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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conversionRate,
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identities,
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selectedAddress,
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currentCurrency,
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send,
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}
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}
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function mapDispatchToProps (dispatch) {
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return {
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clearSend: () => dispatch(actions.clearSend()),
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editTransaction: txMeta => {
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const { id, txParams } = txMeta
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const {
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gas: gasLimit,
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gasPrice,
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to,
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value: amount,
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} = txParams
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dispatch(actions.updateSend({
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gasLimit,
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gasPrice,
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gasTotal: null,
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to,
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amount,
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errors: { to: null, amount: null },
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editingTransactionId: id,
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}))
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dispatch(actions.showSendPage())
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},
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cancelTransaction: ({ id }) => dispatch(actions.cancelTx({ id })),
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}
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}
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inherits(ConfirmSendEther, Component)
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function ConfirmSendEther () {
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Component.call(this)
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this.state = {}
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this.onSubmit = this.onSubmit.bind(this)
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}
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ConfirmSendEther.prototype.getAmount = function () {
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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,
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ETH,
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}
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}
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ConfirmSendEther.prototype.getGasFee = function () {
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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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// From latest master
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// const gasLimit = new BN(parseInt(blockGasLimit))
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// const safeGasLimitBN = this.bnMultiplyByFraction(gasLimit, 19, 20)
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// const saferGasLimitBN = this.bnMultiplyByFraction(gasLimit, 18, 20)
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// const safeGasLimit = safeGasLimitBN.toString(10)
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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,
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ETH,
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}
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}
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ConfirmSendEther.prototype.getData = function () {
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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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const { FIAT: gasFeeInFIAT, ETH: gasFeeInETH } = this.getGasFee()
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const { FIAT: amountInFIAT, ETH: amountInETH } = this.getAmount()
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const totalInFIAT = addCurrencies(gasFeeInFIAT, amountInFIAT, {
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toNumericBase: 'dec',
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numberOfDecimals: 2,
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})
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const totalInETH = addCurrencies(gasFeeInETH, amountInETH, {
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toNumericBase: 'dec',
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numberOfDecimals: 6,
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})
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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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to: {
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address: txParams.to,
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name: identities[txParams.to] ? identities[txParams.to].name : t('newRecipient'),
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},
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memo: txParams.memo || '',
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gasFeeInFIAT,
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gasFeeInETH,
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amountInFIAT,
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amountInETH,
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totalInFIAT,
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totalInETH,
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}
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}
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ConfirmSendEther.prototype.render = function () {
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const { editTransaction, currentCurrency, clearSend } = this.props
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const txMeta = this.gatherTxMeta()
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const txParams = txMeta.txParams || {}
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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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to: {
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address: toAddress,
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name: toName,
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},
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memo,
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gasFeeInFIAT,
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gasFeeInETH,
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amountInFIAT,
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totalInFIAT,
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totalInETH,
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} = this.getData()
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// This is from the latest master
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// It handles some of the errors that we are not currently handling
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// Leaving as comments fo reference
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// const balanceBn = hexToBn(balance)
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// const insufficientBalance = balanceBn.lt(maxCost)
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// const buyDisabled = insufficientBalance || !this.state.valid || !isValidAddress || this.state.submitting
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// const showRejectAll = props.unconfTxListLength > 1
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// const dangerousGasLimit = gasBn.gte(saferGasLimitBN)
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// const gasLimitSpecified = txMeta.gasLimitSpecified
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this.inputs = []
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return (
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h('div.confirm-screen-container.confirm-send-ether', [
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// Main Send token Card
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h('div.page-container', [
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h('div.page-container__header', [
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h('button.confirm-screen-back-button', {
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onClick: () => editTransaction(txMeta),
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}, 'Edit'),
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h('div.page-container__title', 'Confirm'),
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h('div.page-container__subtitle', `Please review your transaction.`),
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]),
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h('.page-container__content', [
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h('div.flex-row.flex-center.confirm-screen-identicons', [
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h('div.confirm-screen-account-wrapper', [
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h(
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Identicon,
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{
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address: fromAddress,
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diameter: 60,
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},
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),
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h('span.confirm-screen-account-name', fromName),
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// h('span.confirm-screen-account-number', fromAddress.slice(fromAddress.length - 4)),
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]),
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h('i.fa.fa-arrow-right.fa-lg'),
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h('div.confirm-screen-account-wrapper', [
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h(
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Identicon,
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{
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address: txParams.to,
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diameter: 60,
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},
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),
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h('span.confirm-screen-account-name', toName),
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// h('span.confirm-screen-account-number', toAddress.slice(toAddress.length - 4)),
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]),
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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 sending to Recipient ...${toAddress.slice(toAddress.length - 4)}`,
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// ]),
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h('h3.flex-center.confirm-screen-send-amount', [`${amountInFIAT}`]),
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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 ? `"${memo}"` : '' ]),
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]),
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h('div.confirm-screen-rows', [
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h('section.flex-row.flex-center.confirm-screen-row', [
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h('span.confirm-screen-label.confirm-screen-section-column', [ t('from') ]),
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h('div.confirm-screen-section-column', [
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h('div.confirm-screen-row-info', fromName),
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h('div.confirm-screen-row-detail', `...${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', [ t('to') ]),
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h('div.confirm-screen-section-column', [
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h('div.confirm-screen-row-info', toName),
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h('div.confirm-screen-row-detail', `...${toAddress.slice(toAddress.length - 4)}`),
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]),
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]),
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h('section.flex-row.flex-center.confirm-screen-row', [
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h('span.confirm-screen-label.confirm-screen-section-column', [ t('gasFee') ]),
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h('div.confirm-screen-section-column', [
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h('div.confirm-screen-row-info', `${gasFeeInFIAT} ${currentCurrency.toUpperCase()}`),
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h('div.confirm-screen-row-detail', `${gasFeeInETH} ETH`),
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]),
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]),
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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', [ t('total') + ' ' ]),
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h('div.confirm-screen-total-box__subtitle', [ 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', `${totalInFIAT} ${currentCurrency.toUpperCase()}`),
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h('div.confirm-screen-row-detail', `${totalInETH} ETH`),
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]),
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]),
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]),
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// These are latest errors handling from master
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// Leaving as comments as reference when we start implementing error handling
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// h('style', `
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// .conf-buttons button {
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// margin-left: 10px;
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// text-transform: uppercase;
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// }
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// `),
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// txMeta.simulationFails ?
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// h('.error', {
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// style: {
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// marginLeft: 50,
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// fontSize: '0.9em',
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// },
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// }, 'Transaction Error. Exception thrown in contract code.')
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// : null,
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// !isValidAddress ?
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// h('.error', {
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// style: {
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// marginLeft: 50,
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// fontSize: '0.9em',
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// },
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// }, 'Recipient address is invalid. Sending this transaction will result in a loss of ETH.')
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// : null,
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// insufficientBalance ?
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// h('span.error', {
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// style: {
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// marginLeft: 50,
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// fontSize: '0.9em',
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// },
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// }, 'Insufficient balance for transaction')
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// : null,
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// // send + cancel
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// h('.flex-row.flex-space-around.conf-buttons', {
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// style: {
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// display: 'flex',
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// justifyContent: 'flex-end',
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// margin: '14px 25px',
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// },
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// }, [
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// h('button', {
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// onClick: (event) => {
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// this.resetGasFields()
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// event.preventDefault()
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// },
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// }, 'Reset'),
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// // Accept Button or Buy Button
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// insufficientBalance ? h('button.btn-green', { onClick: props.buyEth }, 'Buy Ether') :
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// h('input.confirm.btn-green', {
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// type: 'submit',
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// value: 'SUBMIT',
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// style: { marginLeft: '10px' },
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// disabled: buyDisabled,
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// }),
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// h('button.cancel.btn-red', {
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// onClick: props.cancelTransaction,
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// }, 'Reject'),
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// ]),
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// showRejectAll ? h('.flex-row.flex-space-around.conf-buttons', {
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// style: {
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// display: 'flex',
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// justifyContent: 'flex-end',
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// margin: '14px 25px',
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// },
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// }, [
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// h('button.cancel.btn-red', {
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// onClick: props.cancelAllTransactions,
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// }, 'Reject All'),
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// ]) : null,
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// ]),
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// ])
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// )
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// }
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]),
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h('form#pending-tx-form', {
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onSubmit: this.onSubmit,
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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) => {
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clearSend()
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this.cancel(event, txMeta)
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},
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}, t('cancel')),
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// Accept Button
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h('button.btn-confirm.page-container__footer-button.allcaps', [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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ConfirmSendEther.prototype.onSubmit = function (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.dispatch(actions.displayWarning(t('invalidGasParams')))
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this.setState({ submitting: false })
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}
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}
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ConfirmSendEther.prototype.cancel = function (event, txMeta) {
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event.preventDefault()
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const { cancelTransaction } = this.props
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cancelTransaction(txMeta)
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}
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ConfirmSendEther.prototype.checkValidity = function () {
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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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ConfirmSendEther.prototype.getFormEl = function () {
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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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ConfirmSendEther.prototype.gatherTxMeta = function () {
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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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ConfirmSendEther.prototype.verifyGasParams = function () {
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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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ConfirmSendEther.prototype._notZeroOrEmptyString = function (obj) {
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return obj !== '' && obj !== '0x0'
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}
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ConfirmSendEther.prototype.bnMultiplyByFraction = function (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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