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634 lines
19 KiB
634 lines
19 KiB
const Component = require('react').Component
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const PropTypes = require('prop-types')
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const connect = require('react-redux').connect
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const h = require('react-hyperscript')
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const inherits = require('util').inherits
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const tokenAbi = require('human-standard-token-abi')
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const abiDecoder = require('abi-decoder')
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abiDecoder.addABI(tokenAbi)
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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 GasFeeDisplay = require('../send/gas-fee-display-v2.js')
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const ethUtil = require('ethereumjs-util')
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const BN = ethUtil.BN
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const {
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conversionUtil,
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multiplyCurrencies,
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addCurrencies,
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} = require('../../conversion-util')
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const {
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getGasTotal,
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isBalanceSufficient,
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} = require('../send/send-utils')
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const {
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calcTokenAmount,
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} = require('../../token-util')
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const classnames = require('classnames')
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const { MIN_GAS_PRICE_HEX } = require('../send/send-constants')
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const {
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getTokenExchangeRate,
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getSelectedAddress,
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getSelectedTokenContract,
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} = require('../../selectors')
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ConfirmSendToken.contextTypes = {
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t: PropTypes.func,
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}
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module.exports = connect(mapStateToProps, mapDispatchToProps)(ConfirmSendToken)
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function mapStateToProps (state, ownProps) {
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const { token: { symbol }, txData } = ownProps
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const { txParams } = txData || {}
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const tokenData = txParams.data && abiDecoder.decodeMethod(txParams.data)
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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 = getSelectedAddress(state)
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const tokenExchangeRate = getTokenExchangeRate(state, symbol)
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const { balance } = accounts[selectedAddress]
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return {
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conversionRate,
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identities,
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selectedAddress,
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tokenExchangeRate,
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tokenData: tokenData || {},
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currentCurrency: currentCurrency.toUpperCase(),
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send: state.metamask.send,
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tokenContract: getSelectedTokenContract(state),
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balance,
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}
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}
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function mapDispatchToProps (dispatch, ownProps) {
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const { token: { symbol } } = ownProps
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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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updateTokenExchangeRate: () => dispatch(actions.updateTokenExchangeRate(symbol)),
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editTransaction: txMeta => {
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const { token: { address } } = ownProps
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const { txParams = {}, id } = txMeta
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const tokenData = txParams.data && abiDecoder.decodeMethod(txParams.data) || {}
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const { params = [] } = tokenData
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const { value: to } = params[0] || {}
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const { value: tokenAmountInDec } = params[1] || {}
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const tokenAmountInHex = conversionUtil(tokenAmountInDec, {
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fromNumericBase: 'dec',
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toNumericBase: 'hex',
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})
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const {
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gas: gasLimit,
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gasPrice,
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} = txParams
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dispatch(actions.setSelectedToken(address))
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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: tokenAmountInHex,
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errors: { to: null, amount: null },
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editingTransactionId: id,
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token: ownProps.token,
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}))
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dispatch(actions.showSendTokenPage())
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},
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showCustomizeGasModal: (txMeta, sendGasLimit, sendGasPrice, sendGasTotal) => {
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const { id, txParams, lastGasPrice } = txMeta
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const { gas: txGasLimit, gasPrice: txGasPrice } = txParams
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const tokenData = txParams.data && abiDecoder.decodeMethod(txParams.data)
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const { params = [] } = tokenData
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const { value: to } = params[0] || {}
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const { value: tokenAmountInDec } = params[1] || {}
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const tokenAmountInHex = conversionUtil(tokenAmountInDec, {
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fromNumericBase: 'dec',
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toNumericBase: 'hex',
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})
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let forceGasMin
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if (lastGasPrice) {
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forceGasMin = ethUtil.addHexPrefix(multiplyCurrencies(lastGasPrice, 1.1, {
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multiplicandBase: 16,
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multiplierBase: 10,
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toNumericBase: 'hex',
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fromDenomination: 'WEI',
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}))
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}
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dispatch(actions.updateSend({
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gasLimit: sendGasLimit || txGasLimit,
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gasPrice: sendGasPrice || txGasPrice,
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editingTransactionId: id,
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gasTotal: sendGasTotal,
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to,
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amount: tokenAmountInHex,
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forceGasMin,
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}))
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dispatch(actions.showModal({ name: 'CUSTOMIZE_GAS' }))
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},
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updateSendErrors: error => dispatch(actions.updateSendErrors(error)),
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}
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}
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inherits(ConfirmSendToken, Component)
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function ConfirmSendToken () {
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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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ConfirmSendToken.prototype.updateComponentSendErrors = function (prevProps) {
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const {
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balance: oldBalance,
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conversionRate: oldConversionRate,
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} = prevProps
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const {
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updateSendErrors,
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balance,
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conversionRate,
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send: {
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errors: {
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simulationFails,
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},
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},
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} = this.props
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const txMeta = this.gatherTxMeta()
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const shouldUpdateBalanceSendErrors = balance && [
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balance !== oldBalance,
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conversionRate !== oldConversionRate,
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].some(x => Boolean(x))
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if (shouldUpdateBalanceSendErrors) {
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const balanceIsSufficient = this.isBalanceSufficient(txMeta)
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updateSendErrors({
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insufficientFunds: balanceIsSufficient ? false : this.context.t('insufficientFunds'),
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})
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}
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const shouldUpdateSimulationSendError = Boolean(txMeta.simulationFails) !== Boolean(simulationFails)
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if (shouldUpdateSimulationSendError) {
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updateSendErrors({
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simulationFails: !txMeta.simulationFails ? false : this.context.t('transactionError'),
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})
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}
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}
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ConfirmSendToken.prototype.componentWillMount = function () {
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const { tokenContract, selectedAddress } = this.props
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tokenContract && tokenContract
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.balanceOf(selectedAddress)
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.then(usersToken => {
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})
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this.props.updateTokenExchangeRate()
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this.updateComponentSendErrors({})
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}
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ConfirmSendToken.prototype.componentDidUpdate = function (prevProps) {
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this.updateComponentSendErrors(prevProps)
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}
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ConfirmSendToken.prototype.getAmount = function () {
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const {
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conversionRate,
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tokenExchangeRate,
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token,
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tokenData,
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send: { amount, editingTransactionId },
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} = this.props
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const { params = [] } = tokenData
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let { value } = params[1] || {}
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const { decimals } = token
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if (editingTransactionId) {
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value = conversionUtil(amount, {
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fromNumericBase: 'hex',
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toNumericBase: 'dec',
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})
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}
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const sendTokenAmount = calcTokenAmount(value, decimals)
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return {
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fiat: tokenExchangeRate
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? +(sendTokenAmount * tokenExchangeRate * conversionRate).toFixed(2)
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: null,
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token: typeof value === 'undefined'
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? this.context.t('unknown')
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: +sendTokenAmount.toFixed(decimals),
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}
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}
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ConfirmSendToken.prototype.getGasFee = function () {
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const { conversionRate, tokenExchangeRate, token, currentCurrency } = this.props
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const txMeta = this.gatherTxMeta()
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const txParams = txMeta.txParams || {}
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const { decimals } = token
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const gas = txParams.gas
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const gasPrice = txParams.gasPrice || MIN_GAS_PRICE_HEX
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const gasTotal = multiplyCurrencies(gas, gasPrice, {
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multiplicandBase: 16,
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multiplierBase: 16,
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})
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const FIAT = conversionUtil(gasTotal, {
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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(gasTotal, {
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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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const tokenGas = multiplyCurrencies(gas, gasPrice, {
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toNumericBase: 'dec',
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multiplicandBase: 16,
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multiplierBase: 16,
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toCurrency: 'BAT',
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conversionRate: tokenExchangeRate,
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invertConversionRate: true,
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fromDenomination: 'WEI',
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numberOfDecimals: decimals || 4,
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})
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return {
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fiat: +Number(FIAT).toFixed(2),
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eth: ETH,
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token: tokenExchangeRate
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? tokenGas
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: null,
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gasFeeInHex: gasTotal.toString(16),
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}
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}
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ConfirmSendToken.prototype.getData = function () {
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const { identities, tokenData } = this.props
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const { params = [] } = tokenData
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const { value } = params[0] || {}
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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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to: {
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address: value,
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name: identities[value] ? identities[value].name : this.context.t('newRecipient'),
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},
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memo: txParams.memo || '',
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}
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}
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ConfirmSendToken.prototype.renderHeroAmount = function () {
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const { token: { symbol }, currentCurrency } = this.props
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const { fiat: fiatAmount, token: tokenAmount } = 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 fiatAmount
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? (
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h('div.confirm-send-token__hero-amount-wrapper', [
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h('h3.flex-center.confirm-screen-send-amount', `${fiatAmount}`),
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h('h3.flex-center.confirm-screen-send-amount-currency', currentCurrency),
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h('div.flex-center.confirm-memo-wrapper', [
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h('h3.confirm-screen-send-memo', [ memo ? `"${memo}"` : '' ]),
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]),
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])
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)
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: (
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h('div.confirm-send-token__hero-amount-wrapper', [
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h('h3.flex-center.confirm-screen-send-amount', tokenAmount),
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h('h3.flex-center.confirm-screen-send-amount-currency', symbol),
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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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])
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)
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}
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ConfirmSendToken.prototype.renderGasFee = function () {
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const {
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currentCurrency: convertedCurrency,
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conversionRate,
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send: { gasTotal, gasLimit: sendGasLimit, gasPrice: sendGasPrice },
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showCustomizeGasModal,
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} = this.props
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const txMeta = this.gatherTxMeta()
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const { gasFeeInHex } = 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(GasFeeDisplay, {
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gasTotal: gasTotal || gasFeeInHex,
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conversionRate,
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convertedCurrency,
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onClick: () => showCustomizeGasModal(txMeta, sendGasLimit, sendGasPrice, gasTotal),
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}),
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]),
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])
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)
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}
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ConfirmSendToken.prototype.renderTotalPlusGas = function () {
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const { token: { symbol }, currentCurrency, send: { errors } } = this.props
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const { fiat: fiatAmount, token: tokenAmount } = this.getAmount()
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const { fiat: fiatGas, token: tokenGas } = this.getGasFee()
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return fiatAmount && fiatGas
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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', [ 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', `${addCurrencies(fiatAmount, fiatGas)} ${currentCurrency}`),
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h('div.confirm-screen-row-detail', `${addCurrencies(tokenAmount, tokenGas || '0')} ${symbol}`),
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]),
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])
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)
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: (
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h('section.flex-row.flex-center.confirm-screen-row.confirm-screen-total-box ', [
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h('div', {
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className: classnames({
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'confirm-screen-section-column--with-error': errors['insufficientFunds'],
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'confirm-screen-section-column': !errors['insufficientFunds'],
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}),
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}, [
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h('span.confirm-screen-label', [ this.context.t('total') + ' ' ]),
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h('div.confirm-screen-total-box__subtitle', [ this.context.t('amountPlusGas') ]),
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]),
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h('div.confirm-screen-section-column', [
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h('div.confirm-screen-row-info', `${tokenAmount} ${symbol}`),
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h('div.confirm-screen-row-detail', `+ ${fiatGas} ${currentCurrency} ${this.context.t('gas')}`),
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]),
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this.renderErrorMessage('insufficientFunds'),
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])
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)
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}
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ConfirmSendToken.prototype.renderErrorMessage = function (message) {
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const { send: { errors } } = this.props
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return errors[message]
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? h('div.confirm-screen-error', [ errors[message] ])
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: null
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}
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ConfirmSendToken.prototype.render = function () {
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const { editTransaction } = 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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to: {
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address: toAddress,
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name: toName,
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},
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} = this.getData()
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this.inputs = []
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const isTxReprice = Boolean(txMeta.lastGasPrice)
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const title = isTxReprice ? this.context.t('reprice_title') : this.context.t('confirm')
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const subtitle = isTxReprice
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? this.context.t('reprice_subtitle')
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: this.context.t('pleaseReviewTransaction')
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return (
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h('div.confirm-screen-container.confirm-send-token', [
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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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!txMeta.lastGasPrice && h('button.confirm-screen-back-button', {
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onClick: () => editTransaction(txMeta),
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}, this.context.t('edit')),
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h('div.page-container__title', title),
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h('div.page-container__subtitle', subtitle),
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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: toAddress,
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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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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', `...${fromAddress.slice(fromAddress.length - 4)}`),
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]),
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]),
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toAddress && h('section.flex-row.flex-center.confirm-screen-row', [
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h('span.confirm-screen-label.confirm-screen-section-column', [ this.context.t('to') ]),
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h('div.confirm-screen-section-column', [
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h('div.confirm-screen-row-info', toName),
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h('div.confirm-screen-row-detail', `...${toAddress.slice(toAddress.length - 4)}`),
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]),
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]),
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this.renderGasFee(),
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this.renderTotalPlusGas(),
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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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className: 'confirm-screen-form',
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onSubmit: this.onSubmit,
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}, [
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this.renderErrorMessage('simulationFails'),
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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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|
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// Accept Button
|
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h('button.btn-confirm.page-container__footer-button.allcaps', [this.context.t('confirm')]),
|
|
]),
|
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]),
|
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]),
|
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])
|
|
)
|
|
}
|
|
|
|
ConfirmSendToken.prototype.onSubmit = function (event) {
|
|
event.preventDefault()
|
|
const { updateSendErrors } = this.props
|
|
const txMeta = this.gatherTxMeta()
|
|
const valid = this.checkValidity()
|
|
const balanceIsSufficient = this.isBalanceSufficient(txMeta)
|
|
this.setState({ valid, submitting: true })
|
|
|
|
if (valid && this.verifyGasParams() && balanceIsSufficient) {
|
|
this.props.sendTransaction(txMeta, event)
|
|
} else if (!balanceIsSufficient) {
|
|
updateSendErrors({ insufficientFunds: this.context.t('insufficientFunds') })
|
|
} else {
|
|
updateSendErrors({ invalidGasParams: this.context.t('invalidGasParams') })
|
|
this.setState({ submitting: false })
|
|
}
|
|
}
|
|
|
|
ConfirmSendToken.prototype.isBalanceSufficient = function (txMeta) {
|
|
const {
|
|
balance,
|
|
conversionRate,
|
|
} = this.props
|
|
const {
|
|
txParams: {
|
|
gas,
|
|
gasPrice,
|
|
},
|
|
} = txMeta
|
|
const gasTotal = getGasTotal(gas, gasPrice)
|
|
|
|
return isBalanceSufficient({
|
|
amount: '0',
|
|
gasTotal,
|
|
balance,
|
|
conversionRate,
|
|
})
|
|
}
|
|
|
|
|
|
ConfirmSendToken.prototype.cancel = function (event, txMeta) {
|
|
event.preventDefault()
|
|
const { cancelTransaction } = this.props
|
|
|
|
cancelTransaction(txMeta)
|
|
}
|
|
|
|
ConfirmSendToken.prototype.checkValidity = function () {
|
|
const form = this.getFormEl()
|
|
const valid = form.checkValidity()
|
|
return valid
|
|
}
|
|
|
|
ConfirmSendToken.prototype.getFormEl = function () {
|
|
const form = document.querySelector('form#pending-tx-form')
|
|
// Stub out form for unit tests:
|
|
if (!form) {
|
|
return { checkValidity () { return true } }
|
|
}
|
|
return form
|
|
}
|
|
|
|
// After a customizable state value has been updated,
|
|
ConfirmSendToken.prototype.gatherTxMeta = function () {
|
|
const props = this.props
|
|
const state = this.state
|
|
const txData = clone(state.txData) || clone(props.txData)
|
|
|
|
const { gasPrice: sendGasPrice, gas: sendGasLimit } = props.send
|
|
const {
|
|
lastGasPrice,
|
|
txParams: {
|
|
gasPrice: txGasPrice,
|
|
gas: txGasLimit,
|
|
},
|
|
} = txData
|
|
|
|
let forceGasMin
|
|
if (lastGasPrice) {
|
|
forceGasMin = ethUtil.addHexPrefix(multiplyCurrencies(lastGasPrice, 1.1, {
|
|
multiplicandBase: 16,
|
|
multiplierBase: 10,
|
|
toNumericBase: 'hex',
|
|
}))
|
|
}
|
|
|
|
txData.txParams.gasPrice = sendGasPrice || forceGasMin || txGasPrice
|
|
txData.txParams.gas = sendGasLimit || txGasLimit
|
|
|
|
// log.debug(`UI has defaulted to tx meta ${JSON.stringify(txData)}`)
|
|
return txData
|
|
}
|
|
|
|
ConfirmSendToken.prototype.verifyGasParams = function () {
|
|
// We call this in case the gas has not been modified at all
|
|
if (!this.state) { return true }
|
|
return (
|
|
this._notZeroOrEmptyString(this.state.gas) &&
|
|
this._notZeroOrEmptyString(this.state.gasPrice)
|
|
)
|
|
}
|
|
|
|
ConfirmSendToken.prototype._notZeroOrEmptyString = function (obj) {
|
|
return obj !== '' && obj !== '0x0'
|
|
}
|
|
|
|
ConfirmSendToken.prototype.bnMultiplyByFraction = function (targetBN, numerator, denominator) {
|
|
const numBN = new BN(numerator)
|
|
const denomBN = new BN(denominator)
|
|
return targetBN.mul(numBN).div(denomBN)
|
|
}
|
|
|