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const inherits = require('util').inherits
const Component = require('react').Component
const ReactCSSTransitionGroup = require('react-addons-css-transition-group')
const h = require('react-hyperscript')
const connect = require('react-redux').connect
const actions = require('./actions')
const txHelper = require('../lib/tx-helper')
const isPopupOrNotification = require('../../app/scripts/lib/is-popup-or-notification')
const ethUtil = require('ethereumjs-util')
const BN = ethUtil.BN
const PendingTx = require('./components/pending-tx')
const PendingMsg = require('./components/pending-msg')
module.exports = connect(mapStateToProps)(ConfirmTxScreen)
function mapStateToProps (state) {
return {
identities: state.metamask.identities,
accounts: state.metamask.accounts,
selectedAddress: state.metamask.selectedAddress,
unconfTxs: state.metamask.unconfTxs,
unconfMsgs: state.metamask.unconfMsgs,
index: state.appState.currentView.context,
warning: state.appState.warning,
network: state.metamask.network,
}
}
inherits(ConfirmTxScreen, Component)
function ConfirmTxScreen () {
Component.call(this)
}
ConfirmTxScreen.prototype.render = function () {
var state = this.props
var network = state.network
var unconfTxs = state.unconfTxs
var unconfMsgs = state.unconfMsgs
var unconfTxList = txHelper(unconfTxs, unconfMsgs, network)
var index = state.index !== undefined ? state.index : 0
var txData = unconfTxList[index] || unconfTxList[0] || {}
var isNotification = isPopupOrNotification() === 'notification'
return (
h('.flex-column.flex-grow', [
// subtitle and nav
h('.section-title.flex-row.flex-center', [
!isNotification ? h('i.fa.fa-arrow-left.fa-lg.cursor-pointer', {
onClick: this.goHome.bind(this),
}) : null,
h('h2.page-subtitle', 'Confirm Transaction'),
]),
h('h3', {
style: {
alignSelf: 'center',
display: unconfTxList.length > 1 ? 'block' : 'none',
},
}, [
h('i.fa.fa-arrow-left.fa-lg.cursor-pointer', {
style: {
display: state.index === 0 ? 'none' : 'inline-block',
},
onClick: () => state.dispatch(actions.previousTx()),
}),
` ${state.index + 1} of ${unconfTxList.length} `,
h('i.fa.fa-arrow-right.fa-lg.cursor-pointer', {
style: {
display: state.index + 1 === unconfTxList.length ? 'none' : 'inline-block',
},
onClick: () => state.dispatch(actions.nextTx()),
}),
]),
warningIfExists(state.warning),
h(ReactCSSTransitionGroup, {
className: 'css-transition-group',
transitionName: 'main',
transitionEnterTimeout: 300,
transitionLeaveTimeout: 300,
}, [
currentTxView({
// Properties
txData: txData,
key: txData.id,
selectedAddress: state.selectedAddress,
accounts: state.accounts,
identities: state.identities,
// Actions
sendTransaction: this.sendTransaction.bind(this, txData),
cancelTransaction: this.cancelTransaction.bind(this, txData),
signMessage: this.signMessage.bind(this, txData),
cancelMessage: this.cancelMessage.bind(this, txData),
}),
]),
])
)
}
function currentTxView (opts) {
if ('txParams' in opts.txData) {
// This is a pending transaction
return h(PendingTx, opts)
} else if ('msgParams' in opts.txData) {
// This is a pending message to sign
return h(PendingMsg, opts)
}
}
ConfirmTxScreen.prototype.sendTransaction = function (txData, event) {
var state = this.props
var txParams = txData.txParams || {}
var address = txParams.from || state.selectedAddress
var account = state.accounts[address]
var balance = account ? account.balance : '0x0'
var gasCost = new BN(ethUtil.stripHexPrefix(txParams.gas || txData.estimatedGas), 16)
var gasPrice = new BN(ethUtil.stripHexPrefix(txParams.gasPrice || '0x4a817c800'), 16)
var txFee = gasCost.mul(gasPrice)
var txValue = new BN(ethUtil.stripHexPrefix(txParams.value || '0x0'), 16)
var maxCost = txValue.add(txFee)
var balanceBn = new BN(ethUtil.stripHexPrefix(balance), 16)
event.stopPropagation()
if (maxCost.gt(balanceBn)) {
this.props.dispatch(actions.buyEthView(address))
} else {
this.props.dispatch(actions.sendTx(txData))
}
}
ConfirmTxScreen.prototype.cancelTransaction = function (txData, event) {
event.stopPropagation()
this.props.dispatch(actions.cancelTx(txData))
}
ConfirmTxScreen.prototype.signMessage = function (msgData, event) {
var params = msgData.msgParams
params.metamaskId = msgData.id
event.stopPropagation()
this.props.dispatch(actions.signMsg(params))
}
ConfirmTxScreen.prototype.cancelMessage = function (msgData, event) {
event.stopPropagation()
this.props.dispatch(actions.cancelMsg(msgData))
}
ConfirmTxScreen.prototype.goHome = function (event) {
event.stopPropagation()
this.props.dispatch(actions.goHome())
}
function warningIfExists (warning) {
if (warning) {
return h('span.error', { style: { margin: 'auto' } }, warning)
}
}
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