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metamask-extension/ui/app/components/pending-tx.js
Dan J Miller 1e83835ba8 [New-UI] Confirm Screen restyle and connect to state (#2042)
* Adds utility for converting currencies (WIP)

* Implements confirm screen

* Style tweaks.

* Confirm screen total ammount now uses real data.

* Confirm screen total ammount now uses real data.

* Replace content divider with sibling css.

* Replace section divider with scss.
2017-09-11 22:19:05 -07:00

424 lines
11 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 FiatValue = require('./fiat-value')
const Identicon = require('./identicon')
const { setCurrentCurrency } = require('../actions')
const ethUtil = require('ethereumjs-util')
const BN = ethUtil.BN
const hexToBn = require('../../../app/scripts/lib/hex-to-bn')
const util = require('../util')
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)
// Next: create separate react components
// roughly 5 components:
// heroIcon
// numericDisplay (contains symbol + currency)
// divider
// contentBox
// actionButtons
module.exports = connect(mapStateToProps, mapDispatchToProps)(PendingTx)
function mapStateToProps (state) {
const {
conversionRate,
identities,
} = state.metamask
return {
conversionRate,
identities,
}
}
function mapDispatchToProps (dispatch) {
return {
setCurrentCurrencyToUSD: () => dispatch(setCurrentCurrency('USD'))
}
}
inherits(PendingTx, Component)
function PendingTx () {
Component.call(this)
this.state = {
valid: true,
txData: null,
submitting: false,
}
}
PendingTx.prototype.componentWillMount = function () {
this.props.setCurrentCurrencyToUSD()
}
PendingTx.prototype.render = function () {
const props = this.props
const { blockGasLimit, conversionRate, identities } = props
const txMeta = this.gatherTxMeta()
const txParams = txMeta.txParams || {}
// Account Details
const address = txParams.from || props.selectedAddress
const account = props.accounts[address]
const balance = account ? account.balance : '0x0'
// recipient check
const isValidAddress = !txParams.to || util.isValidAddress(txParams.to)
// 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 amountBn = hexToBn(txParams.value)
// TODO: insufficient balance should be handled on send screen
// const maxCost = txFeeBn.add(amountBn)
// const balanceBn = hexToBn(balance)
// const insufficientBalance = balanceBn.lt(maxCost)
const fromName = identities[txParams.from].name;
const toName = identities[txParams.to].name;
const endOfFromAddress = txParams.from.slice(txParams.from.length - 4)
const endOfToAddress = txParams.to.slice(txParams.to.length - 4)
const gasFeeInUSD = conversionUtil(txFeeBn, {
fromFormat: 'BN',
fromCurrency: 'GWEI',
toCurrency: 'USD',
conversionRate,
})
const gasFeeInETH = conversionUtil(txFeeBn, {
fromFormat: 'BN',
fromCurrency: 'GWEI',
toCurrency: 'ETH',
conversionRate,
})
const totalInUSD = conversionUtil(amountBn, {
fromFormat: 'BN',
toCurrency: 'USD',
conversionRate,
})
const totalInETH = conversionUtil(amountBn, {
fromFormat: 'BN',
toCurrency: 'ETH',
conversionRate,
})
this.inputs = []
return (
h('div.flex-column.flex-grow.confirm-screen-container', {
style: {
// overflow: 'scroll',
minWidth: '355px', // TODO: maxWidth TBD, use home.html
},
}, [
// 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', {}, 'BACK'),
h('div.confirm-screen-title', {}, 'Confirm Transaction'),
]),
h('div.flex-row.flex-center.confirm-screen-identicons', {}, [
h('div.confirm-screen-account-wrapper', {}, [
h(
Identicon,
{
address: txParams.from,
diameter: 64,
style: {},
},
),
h('span.confirm-screen-account-name', {}, fromName),
h('span.confirm-screen-account-number', {}, endOfFromAddress),
]),
h('i.fa.fa-arrow-right.fa-lg'),
h('div.confirm-screen-account-wrapper', {}, [
h(
Identicon,
{
address: txParams.to,
diameter: 64,
style: {},
},
),
h('span.confirm-screen-account-name', {}, toName),
h('span.confirm-screen-account-number', {}, endOfToAddress),
])
]),
h('h3.flex-center.confirm-screen-sending-to-message', {
style: {
textAlign: 'center',
fontSize: '16px',
}
}, [
`You're sending to Recipient ...${endOfToAddress}`
]),
h('h3.flex-center.confirm-screen-send-amount', {}, [`$${totalInUSD}`]),
h('h3.flex-center.confirm-screen-send-amount-currency', {}, [
'USD',
]),
h('div.flex-center.confirm-memo-wrapper', {}, h(
'h3.confirm-screen-send-memo', {}, txParams.memo || 'Fake memo'
)),
// TODO: put this error message in the right place
// props.error && h('span.error.flex-center', props.error),
h('section.flex-row.flex-center.confirm-screen-row', {
}, [
h('div', {
style: {
width: '50%',
},
}, [
h('span.confirm-screen-label', {}, [
'From',
]),
]),
h('div', {
style: {
width: '50%',
},
}, [
h('div.confirm-screen-row-info', {}, fromName),
h('div.confirm-screen-row-detail', {}, `...${endOfFromAddress}`),
]),
]),
h('section.flex-row.flex-center.confirm-screen-row', {
}, [
h('div', {
style: {
width: '50%',
},
}, [
h('span.confirm-screen-label', {}, [
'To',
]),
]),
h('div', {
style: {
width: '50%',
},
}, [
h('div.confirm-screen-row-info', {}, toName),
h('div.confirm-screen-row-detail', {}, `...${endOfToAddress}`),
]),
]),
h('section.flex-row.flex-center.confirm-screen-row', {
}, [
h('div', {
style: {
width: '50%',
},
}, [
h('span.confirm-screen-label', {}, [
'Gas Fee',
]),
]),
h('div', {
style: {
width: '50%',
},
}, [
h('div.confirm-screen-row-info', {}, `$${gasFeeInUSD} USD`),
h('div.confirm-screen-row-detail', {}, `${gasFeeInETH} ETH`),
]),
]),
h('section.flex-row.flex-center.confirm-screen-total-box ', {}, [
h('div', {
style: {
width: '50%',
},
}, [
h('span.confirm-screen-label', {}, [
'Total ',
]),
h('div', {
style: {
textAlign: 'left',
fontSize: '8px',
},
}, [
'Amount + Gas',
]),
]),
h('div', {
style: {
width: '50%',
},
}, [
h('div.confirm-screen-row-info', {}, `$${totalInUSD} USD`),
h('div.confirm-screen-row-detail', {}, `${totalInETH} ETH`),
]),
]),
]), // end of container
h('form#pending-tx-form.flex-column.flex-center', {
onSubmit: this.onSubmit.bind(this),
}, [
// Reset Button
// h('button', {
// onClick: (event) => {
// this.resetGasFields()
// event.preventDefault()
// },
// }, 'Reset'),
// Accept Button
h('input.confirm-screen-confirm-button', {
type: 'submit',
value: 'CONFIRM',
// disabled: insufficientBalance || !this.state.valid || !isValidAddress || this.state.submitting,
}),
// Cancel Button
h('button.cancel.btn-light.confirm-screen-cancel-button', {}, 'CANCEL'),
]),
]) // end of minwidth wrapper
)
}
// PendingTx.prototype.gasPriceChanged = function (newBN, valid) {
// log.info(`Gas price changed to: ${newBN.toString(10)}`)
// const txMeta = this.gatherTxMeta()
// txMeta.txParams.gasPrice = '0x' + newBN.toString('hex')
// this.setState({
// txData: clone(txMeta),
// valid,
// })
// }
// PendingTx.prototype.gasLimitChanged = function (newBN, valid) {
// log.info(`Gas limit changed to ${newBN.toString(10)}`)
// const txMeta = this.gatherTxMeta()
// txMeta.txParams.gas = '0x' + newBN.toString('hex')
// this.setState({
// txData: clone(txMeta),
// valid,
// })
// }
// PendingTx.prototype.resetGasFields = function () {
// log.debug(`pending-tx resetGasFields`)
// this.inputs.forEach((hexInput) => {
// if (hexInput) {
// hexInput.setValid()
// }
// })
// this.setState({
// txData: null,
// valid: true,
// })
// }
PendingTx.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 })
}
}
PendingTx.prototype.checkValidity = function () {
const form = this.getFormEl()
const valid = form.checkValidity()
return valid
}
PendingTx.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,
PendingTx.prototype.gatherTxMeta = function () {
log.debug(`pending-tx gatherTxMeta`)
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
}
PendingTx.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)
)
}
PendingTx.prototype._notZeroOrEmptyString = function (obj) {
return obj !== '' && obj !== '0x0'
}
PendingTx.prototype.bnMultiplyByFraction = function (targetBN, numerator, denominator) {
const numBN = new BN(numerator)
const denomBN = new BN(denominator)
return targetBN.mul(numBN).div(denomBN)
}