You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
638 lines
15 KiB
638 lines
15 KiB
const { inherits } = require('util')
|
|
const PersistentForm = require('../lib/persistent-form')
|
|
const h = require('react-hyperscript')
|
|
|
|
const ethAbi = require('ethereumjs-abi')
|
|
const ethUtil = require('ethereumjs-util')
|
|
|
|
const FromDropdown = require('./components/send/from-dropdown')
|
|
const ToAutoComplete = require('./components/send/to-autocomplete')
|
|
const CurrencyDisplay = require('./components/send/currency-display')
|
|
const MemoTextArea = require('./components/send/memo-textarea')
|
|
const GasFeeDisplay = require('./components/send/gas-fee-display-v2')
|
|
|
|
const {
|
|
TOKEN_TRANSFER_FUNCTION_SIGNATURE,
|
|
} = require('./components/send/send-constants')
|
|
|
|
const {
|
|
multiplyCurrencies,
|
|
conversionGreaterThan,
|
|
subtractCurrencies,
|
|
} = require('./conversion-util')
|
|
const {
|
|
calcTokenAmount,
|
|
} = require('./token-util')
|
|
const {
|
|
isBalanceSufficient,
|
|
isTokenBalanceSufficient,
|
|
} = require('./components/send/send-utils')
|
|
const { isValidAddress } = require('./util')
|
|
|
|
module.exports = SendTransactionScreen
|
|
|
|
inherits(SendTransactionScreen, PersistentForm)
|
|
function SendTransactionScreen () {
|
|
PersistentForm.call(this)
|
|
|
|
this.state = {
|
|
fromDropdownOpen: false,
|
|
toDropdownOpen: false,
|
|
errors: {
|
|
to: null,
|
|
amount: null,
|
|
},
|
|
gasLoadingError: false,
|
|
}
|
|
|
|
this.handleToChange = this.handleToChange.bind(this)
|
|
this.handleAmountChange = this.handleAmountChange.bind(this)
|
|
this.validateAmount = this.validateAmount.bind(this)
|
|
}
|
|
|
|
const getParamsForGasEstimate = function (selectedAddress, symbol, data) {
|
|
const estimatedGasParams = {
|
|
from: selectedAddress,
|
|
gas: '746a528800',
|
|
}
|
|
|
|
if (symbol) {
|
|
Object.assign(estimatedGasParams, { value: '0x0' })
|
|
}
|
|
|
|
if (data) {
|
|
Object.assign(estimatedGasParams, { data })
|
|
}
|
|
|
|
return estimatedGasParams
|
|
}
|
|
|
|
SendTransactionScreen.prototype.updateSendTokenBalance = function (usersToken) {
|
|
if (!usersToken) return
|
|
|
|
const {
|
|
selectedToken = {},
|
|
updateSendTokenBalance,
|
|
} = this.props
|
|
const { decimals } = selectedToken || {}
|
|
const tokenBalance = calcTokenAmount(usersToken.balance.toString(), decimals)
|
|
|
|
updateSendTokenBalance(tokenBalance)
|
|
}
|
|
|
|
SendTransactionScreen.prototype.componentWillMount = function () {
|
|
const {
|
|
updateTokenExchangeRate,
|
|
selectedToken = {},
|
|
} = this.props
|
|
|
|
const { symbol } = selectedToken || {}
|
|
|
|
if (symbol) {
|
|
updateTokenExchangeRate(symbol)
|
|
}
|
|
|
|
this.updateGas()
|
|
}
|
|
|
|
SendTransactionScreen.prototype.updateGas = function () {
|
|
const {
|
|
selectedToken = {},
|
|
getGasPrice,
|
|
estimateGas,
|
|
selectedAddress,
|
|
data,
|
|
updateGasTotal,
|
|
from,
|
|
tokenContract,
|
|
editingTransactionId,
|
|
gasPrice,
|
|
gasLimit,
|
|
} = this.props
|
|
|
|
const { symbol } = selectedToken || {}
|
|
|
|
const tokenBalancePromise = tokenContract
|
|
? tokenContract.balanceOf(from.address)
|
|
: Promise.resolve()
|
|
tokenBalancePromise
|
|
.then(usersToken => this.updateSendTokenBalance(usersToken))
|
|
|
|
if (!editingTransactionId) {
|
|
const estimateGasParams = getParamsForGasEstimate(selectedAddress, symbol, data)
|
|
|
|
Promise
|
|
.all([
|
|
getGasPrice(),
|
|
estimateGas(estimateGasParams),
|
|
])
|
|
.then(([gasPrice, gas]) => {
|
|
const newGasTotal = this.getGasTotal(gas, gasPrice)
|
|
updateGasTotal(newGasTotal)
|
|
this.setState({ gasLoadingError: false })
|
|
})
|
|
.catch(err => {
|
|
this.setState({ gasLoadingError: true })
|
|
})
|
|
} else {
|
|
const newGasTotal = this.getGasTotal(gasLimit, gasPrice)
|
|
updateGasTotal(newGasTotal)
|
|
}
|
|
}
|
|
|
|
SendTransactionScreen.prototype.getGasTotal = function (gasLimit, gasPrice) {
|
|
return multiplyCurrencies(gasLimit, gasPrice, {
|
|
toNumericBase: 'hex',
|
|
multiplicandBase: 16,
|
|
multiplierBase: 16,
|
|
})
|
|
}
|
|
|
|
SendTransactionScreen.prototype.componentDidUpdate = function (prevProps) {
|
|
const {
|
|
from: { balance },
|
|
gasTotal,
|
|
tokenBalance,
|
|
amount,
|
|
selectedToken,
|
|
network,
|
|
} = this.props
|
|
|
|
const {
|
|
from: { balance: prevBalance },
|
|
gasTotal: prevGasTotal,
|
|
tokenBalance: prevTokenBalance,
|
|
network: prevNetwork,
|
|
} = prevProps
|
|
|
|
const uninitialized = [prevBalance, prevGasTotal].every(n => n === null)
|
|
|
|
const balanceHasChanged = balance !== prevBalance
|
|
const gasTotalHasChange = gasTotal !== prevGasTotal
|
|
const tokenBalanceHasChanged = selectedToken && tokenBalance !== prevTokenBalance
|
|
const amountValidationChange = balanceHasChanged || gasTotalHasChange || tokenBalanceHasChanged
|
|
|
|
if (!uninitialized) {
|
|
if (amountValidationChange) {
|
|
this.validateAmount(amount)
|
|
}
|
|
|
|
if (network !== prevNetwork && network !== 'loading') {
|
|
this.updateGas()
|
|
}
|
|
}
|
|
}
|
|
|
|
SendTransactionScreen.prototype.renderHeader = function () {
|
|
const { selectedToken, clearSend, goHome } = this.props
|
|
|
|
return h('div.page-container__header', [
|
|
|
|
h('div.page-container__title', selectedToken ? this.props.t('sendTokens') : this.props.t('sendETH')),
|
|
|
|
h('div.page-container__subtitle', this.props.t('onlySendToEtherAddress')),
|
|
|
|
h('div.page-container__header-close', {
|
|
onClick: () => {
|
|
clearSend()
|
|
goHome()
|
|
},
|
|
}),
|
|
|
|
])
|
|
}
|
|
|
|
SendTransactionScreen.prototype.renderErrorMessage = function (errorType) {
|
|
const { errors } = this.props
|
|
const errorMessage = errors[errorType]
|
|
|
|
return errorMessage
|
|
? h('div.send-v2__error', [ errorMessage ])
|
|
: null
|
|
}
|
|
|
|
SendTransactionScreen.prototype.handleFromChange = async function (newFrom) {
|
|
const {
|
|
updateSendFrom,
|
|
tokenContract,
|
|
} = this.props
|
|
|
|
if (tokenContract) {
|
|
const usersToken = await tokenContract.balanceOf(newFrom.address)
|
|
this.updateSendTokenBalance(usersToken)
|
|
}
|
|
updateSendFrom(newFrom)
|
|
}
|
|
|
|
SendTransactionScreen.prototype.renderFromRow = function () {
|
|
const {
|
|
from,
|
|
fromAccounts,
|
|
conversionRate,
|
|
} = this.props
|
|
|
|
const { fromDropdownOpen } = this.state
|
|
|
|
return h('div.send-v2__form-row', [
|
|
|
|
h('div.send-v2__form-label', 'From:'),
|
|
|
|
h('div.send-v2__form-field', [
|
|
h(FromDropdown, {
|
|
dropdownOpen: fromDropdownOpen,
|
|
accounts: fromAccounts,
|
|
selectedAccount: from,
|
|
onSelect: newFrom => this.handleFromChange(newFrom),
|
|
openDropdown: () => this.setState({ fromDropdownOpen: true }),
|
|
closeDropdown: () => this.setState({ fromDropdownOpen: false }),
|
|
conversionRate,
|
|
}),
|
|
]),
|
|
|
|
])
|
|
}
|
|
|
|
SendTransactionScreen.prototype.handleToChange = function (to) {
|
|
const {
|
|
updateSendTo,
|
|
updateSendErrors,
|
|
from: {address: from},
|
|
} = this.props
|
|
let toError = null
|
|
|
|
if (!to) {
|
|
toError = this.props.t('required')
|
|
} else if (!isValidAddress(to)) {
|
|
toError = this.props.t('invalidAddressRecipient')
|
|
} else if (to === from) {
|
|
toError = this.props.t('fromToSame')
|
|
}
|
|
|
|
updateSendTo(to)
|
|
updateSendErrors({ to: toError })
|
|
}
|
|
|
|
SendTransactionScreen.prototype.renderToRow = function () {
|
|
const { toAccounts, errors, to } = this.props
|
|
|
|
const { toDropdownOpen } = this.state
|
|
|
|
return h('div.send-v2__form-row', [
|
|
|
|
h('div.send-v2__form-label', [
|
|
|
|
this.props.t('to'),
|
|
|
|
this.renderErrorMessage(this.props.t('to')),
|
|
|
|
]),
|
|
|
|
h('div.send-v2__form-field', [
|
|
h(ToAutoComplete, {
|
|
to,
|
|
accounts: Object.entries(toAccounts).map(([key, account]) => account),
|
|
dropdownOpen: toDropdownOpen,
|
|
openDropdown: () => this.setState({ toDropdownOpen: true }),
|
|
closeDropdown: () => this.setState({ toDropdownOpen: false }),
|
|
onChange: this.handleToChange,
|
|
inError: Boolean(errors.to),
|
|
}),
|
|
]),
|
|
|
|
])
|
|
}
|
|
|
|
SendTransactionScreen.prototype.handleAmountChange = function (value) {
|
|
const amount = value
|
|
const { updateSendAmount, setMaxModeTo } = this.props
|
|
|
|
setMaxModeTo(false)
|
|
this.validateAmount(amount)
|
|
updateSendAmount(amount)
|
|
}
|
|
|
|
SendTransactionScreen.prototype.setAmountToMax = function () {
|
|
const {
|
|
from: { balance },
|
|
updateSendAmount,
|
|
updateSendErrors,
|
|
tokenBalance,
|
|
selectedToken,
|
|
gasTotal,
|
|
} = this.props
|
|
const { decimals } = selectedToken || {}
|
|
const multiplier = Math.pow(10, Number(decimals || 0))
|
|
|
|
const maxAmount = selectedToken
|
|
? multiplyCurrencies(tokenBalance, multiplier, {toNumericBase: 'hex'})
|
|
: subtractCurrencies(
|
|
ethUtil.addHexPrefix(balance),
|
|
ethUtil.addHexPrefix(gasTotal),
|
|
{ toNumericBase: 'hex' }
|
|
)
|
|
|
|
updateSendErrors({ amount: null })
|
|
|
|
updateSendAmount(maxAmount)
|
|
}
|
|
|
|
SendTransactionScreen.prototype.validateAmount = function (value) {
|
|
const {
|
|
from: { balance },
|
|
updateSendErrors,
|
|
amountConversionRate,
|
|
conversionRate,
|
|
primaryCurrency,
|
|
selectedToken,
|
|
gasTotal,
|
|
tokenBalance,
|
|
} = this.props
|
|
const { decimals } = selectedToken || {}
|
|
const amount = value
|
|
|
|
let amountError = null
|
|
|
|
let sufficientBalance = true
|
|
|
|
if (gasTotal) {
|
|
sufficientBalance = isBalanceSufficient({
|
|
amount: selectedToken ? '0x0' : amount,
|
|
gasTotal,
|
|
balance,
|
|
primaryCurrency,
|
|
amountConversionRate,
|
|
conversionRate,
|
|
})
|
|
}
|
|
|
|
const verifyTokenBalance = selectedToken && tokenBalance !== null
|
|
let sufficientTokens
|
|
if (verifyTokenBalance) {
|
|
sufficientTokens = isTokenBalanceSufficient({
|
|
tokenBalance,
|
|
amount,
|
|
decimals,
|
|
})
|
|
}
|
|
|
|
const amountLessThanZero = conversionGreaterThan(
|
|
{ value: 0, fromNumericBase: 'dec' },
|
|
{ value: amount, fromNumericBase: 'hex' },
|
|
)
|
|
|
|
if (conversionRate && !sufficientBalance) {
|
|
amountError = this.props.t('insufficientFunds')
|
|
} else if (verifyTokenBalance && !sufficientTokens) {
|
|
amountError = this.props.t('insufficientTokens')
|
|
} else if (amountLessThanZero) {
|
|
amountError = this.props.t('negativeETH')
|
|
}
|
|
|
|
updateSendErrors({ amount: amountError })
|
|
}
|
|
|
|
SendTransactionScreen.prototype.renderAmountRow = function () {
|
|
const {
|
|
selectedToken,
|
|
primaryCurrency = 'ETH',
|
|
convertedCurrency,
|
|
amountConversionRate,
|
|
errors,
|
|
amount,
|
|
setMaxModeTo,
|
|
maxModeOn,
|
|
gasTotal,
|
|
} = this.props
|
|
|
|
return h('div.send-v2__form-row', [
|
|
|
|
h('div.send-v2__form-label', [
|
|
'Amount:',
|
|
this.renderErrorMessage('amount'),
|
|
!errors.amount && gasTotal && h('div.send-v2__amount-max', {
|
|
onClick: (event) => {
|
|
event.preventDefault()
|
|
setMaxModeTo(true)
|
|
this.setAmountToMax()
|
|
},
|
|
}, [ !maxModeOn ? this.props.t('max') : '' ]),
|
|
]),
|
|
|
|
h('div.send-v2__form-field', [
|
|
h(CurrencyDisplay, {
|
|
inError: Boolean(errors.amount),
|
|
primaryCurrency,
|
|
convertedCurrency,
|
|
selectedToken,
|
|
value: amount || '0x0',
|
|
conversionRate: amountConversionRate,
|
|
handleChange: this.handleAmountChange,
|
|
}),
|
|
]),
|
|
|
|
])
|
|
}
|
|
|
|
SendTransactionScreen.prototype.renderGasRow = function () {
|
|
const {
|
|
conversionRate,
|
|
convertedCurrency,
|
|
showCustomizeGasModal,
|
|
gasTotal,
|
|
} = this.props
|
|
const { gasLoadingError } = this.state
|
|
|
|
return h('div.send-v2__form-row', [
|
|
|
|
h('div.send-v2__form-label', h('gasFee')),
|
|
|
|
h('div.send-v2__form-field', [
|
|
|
|
h(GasFeeDisplay, {
|
|
gasTotal,
|
|
conversionRate,
|
|
convertedCurrency,
|
|
onClick: showCustomizeGasModal,
|
|
gasLoadingError,
|
|
}),
|
|
|
|
]),
|
|
|
|
])
|
|
}
|
|
|
|
SendTransactionScreen.prototype.renderMemoRow = function () {
|
|
const { updateSendMemo, memo } = this.props
|
|
|
|
return h('div.send-v2__form-row', [
|
|
|
|
h('div.send-v2__form-label', 'Transaction Memo:'),
|
|
|
|
h('div.send-v2__form-field', [
|
|
h(MemoTextArea, {
|
|
memo,
|
|
onChange: (event) => updateSendMemo(event.target.value),
|
|
}),
|
|
]),
|
|
|
|
])
|
|
}
|
|
|
|
SendTransactionScreen.prototype.renderForm = function () {
|
|
return h('.page-container__content', {}, [
|
|
h('.send-v2__form', [
|
|
this.renderFromRow(),
|
|
|
|
this.renderToRow(),
|
|
|
|
this.renderAmountRow(),
|
|
|
|
this.renderGasRow(),
|
|
|
|
// this.renderMemoRow(),
|
|
|
|
]),
|
|
])
|
|
}
|
|
|
|
SendTransactionScreen.prototype.renderFooter = function () {
|
|
const {
|
|
goHome,
|
|
clearSend,
|
|
gasTotal,
|
|
tokenBalance,
|
|
selectedToken,
|
|
errors: { amount: amountError, to: toError },
|
|
} = this.props
|
|
|
|
const missingTokenBalance = selectedToken && !tokenBalance
|
|
const noErrors = !amountError && toError === null
|
|
|
|
return h('div.page-container__footer', [
|
|
h('button.btn-cancel.page-container__footer-button', {
|
|
onClick: () => {
|
|
clearSend()
|
|
goHome()
|
|
},
|
|
}, this.props.t('cancel')),
|
|
h('button.btn-clear.page-container__footer-button', {
|
|
disabled: !noErrors || !gasTotal || missingTokenBalance,
|
|
onClick: event => this.onSubmit(event),
|
|
}, this.props.t('next')),
|
|
])
|
|
}
|
|
|
|
SendTransactionScreen.prototype.render = function () {
|
|
return (
|
|
|
|
h('div.page-container', [
|
|
|
|
this.renderHeader(),
|
|
|
|
this.renderForm(),
|
|
|
|
this.renderFooter(),
|
|
])
|
|
|
|
)
|
|
}
|
|
|
|
SendTransactionScreen.prototype.addToAddressBookIfNew = function (newAddress) {
|
|
const { toAccounts, addToAddressBook } = this.props
|
|
if (!toAccounts.find(({ address }) => newAddress === address)) {
|
|
// TODO: nickname, i.e. addToAddressBook(recipient, nickname)
|
|
addToAddressBook(newAddress)
|
|
}
|
|
}
|
|
|
|
SendTransactionScreen.prototype.getEditedTx = function () {
|
|
const {
|
|
from: {address: from},
|
|
to,
|
|
amount,
|
|
gasLimit: gas,
|
|
gasPrice,
|
|
selectedToken,
|
|
editingTransactionId,
|
|
unapprovedTxs,
|
|
} = this.props
|
|
|
|
const editingTx = {
|
|
...unapprovedTxs[editingTransactionId],
|
|
txParams: {
|
|
from: ethUtil.addHexPrefix(from),
|
|
gas: ethUtil.addHexPrefix(gas),
|
|
gasPrice: ethUtil.addHexPrefix(gasPrice),
|
|
},
|
|
}
|
|
|
|
if (selectedToken) {
|
|
const data = TOKEN_TRANSFER_FUNCTION_SIGNATURE + Array.prototype.map.call(
|
|
ethAbi.rawEncode(['address', 'uint256'], [to, ethUtil.addHexPrefix(amount)]),
|
|
x => ('00' + x.toString(16)).slice(-2)
|
|
).join('')
|
|
|
|
Object.assign(editingTx.txParams, {
|
|
value: ethUtil.addHexPrefix('0'),
|
|
to: ethUtil.addHexPrefix(selectedToken.address),
|
|
data,
|
|
})
|
|
} else {
|
|
const data = unapprovedTxs[editingTransactionId].txParams.data
|
|
Object.assign(editingTx.txParams, {
|
|
value: ethUtil.addHexPrefix(amount),
|
|
to: ethUtil.addHexPrefix(to),
|
|
data,
|
|
})
|
|
}
|
|
|
|
return editingTx
|
|
}
|
|
|
|
SendTransactionScreen.prototype.onSubmit = function (event) {
|
|
event.preventDefault()
|
|
const {
|
|
from: {address: from},
|
|
to,
|
|
amount,
|
|
gasLimit: gas,
|
|
gasPrice,
|
|
signTokenTx,
|
|
signTx,
|
|
updateTx,
|
|
selectedToken,
|
|
editingTransactionId,
|
|
errors: { amount: amountError, to: toError },
|
|
} = this.props
|
|
|
|
const noErrors = !amountError && toError === null
|
|
|
|
if (!noErrors) {
|
|
return
|
|
}
|
|
|
|
this.addToAddressBookIfNew(to)
|
|
|
|
if (editingTransactionId) {
|
|
const editedTx = this.getEditedTx()
|
|
|
|
updateTx(editedTx)
|
|
} else {
|
|
|
|
const txParams = {
|
|
from,
|
|
value: '0',
|
|
gas,
|
|
gasPrice,
|
|
}
|
|
|
|
if (!selectedToken) {
|
|
txParams.value = amount
|
|
txParams.to = to
|
|
}
|
|
|
|
selectedToken
|
|
? signTokenTx(selectedToken.address, to, amount, txParams)
|
|
: signTx(txParams)
|
|
}
|
|
}
|
|
|