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metamask-extension/ui/app/components/pending-tx/confirm-deploy-contract.js
2017-10-20 18:26:18 -07:00

351 lines
10 KiB
JavaScript

const Component = require('react').Component
const { connect } = require('react-redux')
const h = require('react-hyperscript')
const inherits = require('util').inherits
const actions = require('../../actions')
const clone = require('clone')
const Identicon = require('../identicon')
const ethUtil = require('ethereumjs-util')
const BN = ethUtil.BN
const hexToBn = require('../../../../app/scripts/lib/hex-to-bn')
const { conversionUtil } = require('../../conversion-util')
const MIN_GAS_PRICE_GWEI_BN = new BN(1)
const GWEI_FACTOR = new BN(1e9)
const MIN_GAS_PRICE_BN = MIN_GAS_PRICE_GWEI_BN.mul(GWEI_FACTOR)
module.exports = connect(mapStateToProps, mapDispatchToProps)(ConfirmDeployContract)
function mapStateToProps (state) {
const {
conversionRate,
identities,
currentCurrency,
} = state.metamask
const accounts = state.metamask.accounts
const selectedAddress = state.metamask.selectedAddress || Object.keys(accounts)[0]
return {
currentCurrency,
conversionRate,
identities,
selectedAddress,
}
}
function mapDispatchToProps (dispatch) {
return {
backToAccountDetail: address => dispatch(actions.backToAccountDetail(address)),
cancelTransaction: ({ id }) => dispatch(actions.cancelTx({ id })),
}
}
inherits(ConfirmDeployContract, Component)
function ConfirmDeployContract () {
Component.call(this)
this.state = {}
this.onSubmit = this.onSubmit.bind(this)
}
ConfirmDeployContract.prototype.onSubmit = function (event) {
event.preventDefault()
const txMeta = this.gatherTxMeta()
const valid = this.checkValidity()
this.setState({ valid, submitting: true })
if (valid && this.verifyGasParams()) {
this.props.sendTransaction(txMeta, event)
} else {
this.props.dispatch(actions.displayWarning('Invalid Gas Parameters'))
this.setState({ submitting: false })
}
}
ConfirmDeployContract.prototype.cancel = function (event, txMeta) {
event.preventDefault()
this.props.cancelTransaction(txMeta)
}
ConfirmDeployContract.prototype.checkValidity = function () {
const form = this.getFormEl()
const valid = form.checkValidity()
return valid
}
ConfirmDeployContract.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,
ConfirmDeployContract.prototype.gatherTxMeta = function () {
const props = this.props
const state = this.state
const txData = clone(state.txData) || clone(props.txData)
// log.debug(`UI has defaulted to tx meta ${JSON.stringify(txData)}`)
return txData
}
ConfirmDeployContract.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)
)
}
ConfirmDeployContract.prototype._notZeroOrEmptyString = function (obj) {
return obj !== '' && obj !== '0x0'
}
ConfirmDeployContract.prototype.bnMultiplyByFraction = function (targetBN, numerator, denominator) {
const numBN = new BN(numerator)
const denomBN = new BN(denominator)
return targetBN.mul(numBN).div(denomBN)
}
ConfirmDeployContract.prototype.getData = function () {
const { identities } = this.props
const txMeta = this.gatherTxMeta()
const txParams = txMeta.txParams || {}
return {
from: {
address: txParams.from,
name: identities[txParams.from].name,
},
memo: txParams.memo || '',
}
}
ConfirmDeployContract.prototype.getAmount = function () {
const { conversionRate, currentCurrency } = this.props
const txMeta = this.gatherTxMeta()
const txParams = txMeta.txParams || {}
const FIAT = conversionUtil(txParams.value, {
fromNumericBase: 'hex',
toNumericBase: 'dec',
fromCurrency: 'ETH',
toCurrency: currentCurrency,
numberOfDecimals: 2,
fromDenomination: 'WEI',
conversionRate,
})
const ETH = conversionUtil(txParams.value, {
fromNumericBase: 'hex',
toNumericBase: 'dec',
fromCurrency: 'ETH',
toCurrency: 'ETH',
fromDenomination: 'WEI',
conversionRate,
numberOfDecimals: 6,
})
return {
fiat: Number(FIAT),
token: Number(ETH),
}
}
ConfirmDeployContract.prototype.getGasFee = function () {
const { conversionRate, currentCurrency } = this.props
const txMeta = this.gatherTxMeta()
const txParams = txMeta.txParams || {}
// Gas
const gas = txParams.gas
const gasBn = hexToBn(gas)
// Gas Price
const gasPrice = txParams.gasPrice || MIN_GAS_PRICE_BN.toString(16)
const gasPriceBn = hexToBn(gasPrice)
const txFeeBn = gasBn.mul(gasPriceBn)
const FIAT = conversionUtil(txFeeBn, {
fromNumericBase: 'BN',
toNumericBase: 'dec',
fromDenomination: 'WEI',
fromCurrency: 'ETH',
toCurrency: currentCurrency,
numberOfDecimals: 2,
conversionRate,
})
const ETH = conversionUtil(txFeeBn, {
fromNumericBase: 'BN',
toNumericBase: 'dec',
fromDenomination: 'WEI',
fromCurrency: 'ETH',
toCurrency: 'ETH',
numberOfDecimals: 6,
conversionRate,
})
return {
fiat: Number(FIAT),
eth: Number(ETH),
}
}
ConfirmDeployContract.prototype.renderGasFee = function () {
const { currentCurrency } = this.props
const { fiat: fiatGas, eth: ethGas } = this.getGasFee()
return (
h('section.flex-row.flex-center.confirm-screen-row', [
h('span.confirm-screen-label.confirm-screen-section-column', [ 'Gas Fee' ]),
h('div.confirm-screen-section-column', [
h('div.confirm-screen-row-info', `${fiatGas} ${currentCurrency.toUpperCase()}`),
h(
'div.confirm-screen-row-detail',
`${ethGas} ETH`
),
]),
])
)
}
ConfirmDeployContract.prototype.renderHeroAmount = function () {
const { currentCurrency } = this.props
const { fiat: fiatAmount } = this.getAmount()
const txMeta = this.gatherTxMeta()
const txParams = txMeta.txParams || {}
const { memo = '' } = txParams
return (
h('div.confirm-send-token__hero-amount-wrapper', [
h('h3.flex-center.confirm-screen-send-amount', `${fiatAmount}`),
h('h3.flex-center.confirm-screen-send-amount-currency', currentCurrency.toUpperCase()),
h('div.flex-center.confirm-memo-wrapper', [
h('h3.confirm-screen-send-memo', memo),
]),
])
)
}
ConfirmDeployContract.prototype.renderTotalPlusGas = function () {
const { currentCurrency } = this.props
const { fiat: fiatAmount, token: tokenAmount } = this.getAmount()
const { fiat: fiatGas, eth: ethGas } = this.getGasFee()
return (
h('section.flex-row.flex-center.confirm-screen-total-box ', [
h('div.confirm-screen-section-column', [
h('span.confirm-screen-label', [ 'Total ' ]),
h('div.confirm-screen-total-box__subtitle', [ 'Amount + Gas' ]),
]),
h('div.confirm-screen-section-column', [
h('div.confirm-screen-row-info', `${fiatAmount + fiatGas} ${currentCurrency.toUpperCase()}`),
h('div.confirm-screen-row-detail', `${tokenAmount + ethGas} ETH`),
]),
])
)
}
ConfirmDeployContract.prototype.render = function () {
const { backToAccountDetail, selectedAddress } = this.props
const txMeta = this.gatherTxMeta()
const {
from: {
address: fromAddress,
name: fromName,
},
} = this.getData()
this.inputs = []
return (
h('div.flex-column.flex-grow.confirm-screen-container', {
style: { minWidth: '355px' },
}, [
// Main Send token Card
h('div.confirm-screen-wrapper.flex-column.flex-grow', [
h('h3.flex-center.confirm-screen-header', [
h('button.confirm-screen-back-button', {
onClick: () => backToAccountDetail(selectedAddress),
}, 'BACK'),
h('div.confirm-screen-title', 'Confirm Contract'),
h('div.confirm-screen-header-tip'),
]),
h('div.flex-row.flex-center.confirm-screen-identicons', [
h('div.confirm-screen-account-wrapper', [
h(
Identicon,
{
address: fromAddress,
diameter: 60,
},
),
h('span.confirm-screen-account-name', fromName),
// h('span.confirm-screen-account-number', fromAddress.slice(fromAddress.length - 4)),
]),
h('i.fa.fa-arrow-right.fa-lg'),
h('div.confirm-screen-account-wrapper', [
h('i.fa.fa-file-text-o'),
h('span.confirm-screen-account-name', 'New Contract'),
h('span.confirm-screen-account-number', ' '),
]),
]),
// h('h3.flex-center.confirm-screen-sending-to-message', {
// style: {
// textAlign: 'center',
// fontSize: '16px',
// },
// }, [
// `You're deploying a new contract.`,
// ]),
this.renderHeroAmount(),
h('div.confirm-screen-rows', [
h('section.flex-row.flex-center.confirm-screen-row', [
h('span.confirm-screen-label.confirm-screen-section-column', [ 'From' ]),
h('div.confirm-screen-section-column', [
h('div.confirm-screen-row-info', fromName),
h('div.confirm-screen-row-detail', `...${fromAddress.slice(fromAddress.length - 4)}`),
]),
]),
h('section.flex-row.flex-center.confirm-screen-row', [
h('span.confirm-screen-label.confirm-screen-section-column', [ 'To' ]),
h('div.confirm-screen-section-column', [
h('div.confirm-screen-row-info', 'New Contract'),
]),
]),
this.renderGasFee(),
this.renderTotalPlusGas(),
]),
]),
h('form#pending-tx-form', {
onSubmit: this.onSubmit,
}, [
// Cancel Button
h('div.cancel.btn-light.confirm-screen-cancel-button', {
onClick: (event) => this.cancel(event, txMeta),
}, 'CANCEL'),
// Accept Button
h('button.confirm-screen-confirm-button', ['CONFIRM']),
]),
])
)
}