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metamask-extension/ui/app/components/pending-tx.js

495 lines
12 KiB
JavaScript

const Component = require('react').Component
const h = require('react-hyperscript')
const inherits = require('util').inherits
const actions = require('../actions')
const clone = require('clone')
const ethUtil = require('ethereumjs-util')
const BN = ethUtil.BN
const hexToBn = require('../../../app/scripts/lib/hex-to-bn')
const util = require('../util')
const MiniAccountPanel = require('./mini-account-panel')
const Copyable = require('./copyable')
const EthBalance = require('./eth-balance')
const addressSummary = util.addressSummary
const nameForAddress = require('../../lib/contract-namer')
const BNInput = require('./bn-as-decimal-input')
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)
const MIN_GAS_LIMIT_BN = new BN(21000)
// Faked, for Icon
const Identicon = require('./identicon')
const ARAGON = '960b236A07cf122663c4303350609A66A7B288C0'
// Next: create separate react components
// roughly 5 components:
// heroIcon
// numericDisplay (contains symbol + currency)
// divider
// contentBox
// actionButtons
const sectionDivider = h('div', {
style: {
height:'1px',
background:'#E7E7E7',
},
})
const contentDivider = h('div', {
style: {
marginLeft: '16px',
marginRight: '16px',
height:'1px',
background:'#E7E7E7',
},
})
module.exports = PendingTx
inherits(PendingTx, Component)
function PendingTx () {
Component.call(this)
this.state = {
valid: true,
txData: null,
submitting: false,
}
}
PendingTx.prototype.render = function () {
const props = this.props
const { currentCurrency, blockGasLimit } = props
const conversionRate = props.conversionRate
const txMeta = this.gatherTxMeta()
const txParams = txMeta.txParams || {}
// Account Details
const address = txParams.from || props.selectedAddress
const identity = props.identities[address] || { address: address }
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)
const gasLimit = new BN(parseInt(blockGasLimit))
const safeGasLimit = this.bnMultiplyByFraction(gasLimit, 19, 20).toString(10)
// Gas Price
const gasPrice = txParams.gasPrice || MIN_GAS_PRICE_BN.toString(16)
const gasPriceBn = hexToBn(gasPrice)
const txFeeBn = gasBn.mul(gasPriceBn)
const valueBn = hexToBn(txParams.value)
const maxCost = txFeeBn.add(valueBn)
const dataLength = txParams.data ? (txParams.data.length - 2) / 2 : 0
const balanceBn = hexToBn(balance)
const insufficientBalance = balanceBn.lt(maxCost)
this.inputs = []
return (
h('div.flex-column.flex-grow', {
style: {
// overflow: 'scroll',
minWidth: '355px', // TODO: maxWidth TBD, use home.html
},
}, [
// Main Send token Card
h('div.send-screen.flex-column.flex-grow', {
style: {
marginLeft: '3.5%',
marginRight: '3.5%',
background: '#FFFFFF', // $background-white
boxShadow: '0 2px 4px 0 rgba(0,0,0,0.08)',
}
}, [
h('section.flex-center.flex-row', {
style: {
zIndex: 15, // $token-icon-z-index
marginTop: '-35px',
}
}, [
h(Identicon, {
address: ARAGON,
diameter: 76,
}),
]),
//
// Required Fields
//
h('h3.flex-center', {
style: {
marginTop: '-18px',
fontSize: '16px',
},
}, [
'Confirm Transaction',
]),
h('h3.flex-center', {
style: {
textAlign: 'center',
fontSize: '12px',
},
}, [
'You\'re sending to Recipient ...5924',
]),
h('h3.flex-center', {
style: {
textAlign: 'center',
fontSize: '36px',
marginTop: '8px',
},
}, [
'0.24',
]),
h('h3.flex-center', {
style: {
textAlign: 'center',
fontSize: '12px',
marginTop: '4px',
},
}, [
'ANT',
]),
// error message
props.error && h('span.error.flex-center', props.error),
sectionDivider,
h('section.flex-row.flex-center', {
}, [
h('div', {
style: {
width: '50%',
}
}, [
h('span', {
style: {
textAlign: 'left',
fontSize: '12px',
}
}, [
'From'
])
]),
h('div', {
style: {
width: '50%',
}
},[
h('div', {
style: {
textAlign: 'left',
fontSize: '10px',
marginBottom: '-10px',
},
}, 'Aragon Token'),
h('div', {
style: {
textAlign: 'left',
fontSize: '8px',
},
}, 'Your Balance 2.34 ANT')
])
]),
contentDivider,
h('section.flex-row.flex-center', {
}, [
h('div', {
style: {
width: '50%',
}
}, [
h('span', {
style: {
textAlign: 'left',
fontSize: '12px',
}
}, [
'To'
])
]),
h('div', {
style: {
width: '50%',
}
},[
h('div', {
style: {
textAlign: 'left',
fontSize: '10px',
marginBottom: '-10px',
},
}, 'Ethereum Address'),
h('div', {
style: {
textAlign: 'left',
fontSize: '8px',
},
}, '...5924')
])
]),
contentDivider,
h('section.flex-row.flex-center', {
}, [
h('div', {
style: {
width: '50%',
}
}, [
h('span', {
style: {
textAlign: 'left',
fontSize: '12px',
}
}, [
'Gas Fee'
])
]),
h('div', {
style: {
width: '50%',
}
},[
h('div', {
style: {
textAlign: 'left',
fontSize: '10px',
marginBottom: '-10px',
},
}, '$0.04 USD'),
h('div', {
style: {
textAlign: 'left',
fontSize: '8px',
},
}, '0.001575 ETH')
])
]),
contentDivider,
h('section.flex-row.flex-center', {
style: {
backgroundColor: '#F6F6F6', // $wild-sand
borderRadius: '8px',
marginLeft: '10px',
marginRight: '10px',
paddingLeft: '6px',
paddingRight: '6px',
marginBottom: '10px',
}
}, [
h('div', {
style: {
width: '50%',
}
}, [
h('div', {
style: {
textAlign: 'left',
fontSize: '12px',
marginBottom: '-10px',
}
}, [
'Total Tokens'
]),
h('div', {
style: {
textAlign: 'left',
fontSize: '8px',
}
}, [
'Total Gas'
])
]),
h('div', {
style: {
width: '50%',
}
},[
h('div', {
style: {
textAlign: 'left',
fontSize: '10px',
marginBottom: '-10px',
},
}, '0.24 ANT (127.00 USD)'),
h('div', {
style: {
textAlign: 'left',
fontSize: '8px',
},
}, '0.249 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.btn-green', {
type: 'submit',
value: 'CONFIRM',
style: {
marginTop: '8px',
width: '8em',
color: '#FFFFFF',
borderRadius: '2px',
fontSize: '12px',
lineHeight: '20px',
textAlign: 'center',
borderStyle: 'none',
},
disabled: insufficientBalance || !this.state.valid || !isValidAddress || this.state.submitting,
}),
// Cancel Button
h('button.cancel.btn-light', {
style: {
background: '#F7F7F7', // $alabaster
border: 'none',
opacity: 1,
width: '8em',
},
onClick: props.cancelTransaction,
}, '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)
}