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Remove max mode for eth feature from swaps (#9531)

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* Remove max mode for eth feature from swaps

* Fix unit tests after removing maxMode from swaps
feature/default_network_editable
Dan J Miller 4 years ago committed by GitHub
parent 325dd9c036
commit 549140f6f5
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GPG Key ID: 4AEE18F83AFDEB23
8 changed files with 14 additions and 139 deletions
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  1. 49
      app/scripts/controllers/swaps.js
  2. 1
      app/scripts/metamask-controller.js
  3. 10
      test/unit/app/controllers/swaps-test.js
  4. 49
      ui/app/ducks/swaps/swaps.js
  5. 20
      ui/app/pages/swaps/build-quote/build-quote.js
  6. 3
      ui/app/pages/swaps/index.js
  7. 14
      ui/app/pages/swaps/view-quote/view-quote.js
  8. 7
      ui/app/store/actions.js

49
app/scripts/controllers/swaps.js
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@ -3,7 +3,6 @@ import log from 'loglevel'
import BigNumber from 'bignumber.js'
import ObservableStore from 'obs-store'
import { mapValues } from 'lodash'
import ethUtil from 'ethereumjs-util'
import abi from 'human-standard-token-abi'
import { calcTokenAmount } from '../../../ui/app/helpers/utils/token-util'
import { calcGasTotal } from '../../../ui/app/pages/send/send.utils'
@ -55,7 +54,6 @@ const initialState = {
tokens: null,
tradeTxId: null,
approveTxId: null,
maxMode: false,
quotesLastFetched: null,
customMaxGas: '',
customGasPrice: null,
@ -179,10 +177,6 @@ export default class SwapsController {
if (!approvalRequired && !fetchParams?.balanceError) {
newQuotes = await this.getAllQuotesWithGasEstimates(newQuotes)
if (fetchParamsMetaData.maxMode && fetchParams.sourceToken === ETH_SWAPS_TOKEN_ADDRESS) {
newQuotes = await this._modifyAndFilterValuesForMaxEthMode(newQuotes, fetchParamsMetaData.accountBalance)
}
if (Object.values(newQuotes).length === 0) {
this.setSwapsErrorKey(QUOTES_NOT_AVAILABLE_ERROR)
} else {
@ -345,11 +339,6 @@ export default class SwapsController {
this.store.updateState({ swapsState: { ...swapsState, tradeTxId } })
}
setMaxMode (maxMode) {
const { swapsState } = this.store.getState()
this.store.updateState({ swapsState: { ...swapsState, maxMode } })
}
setQuotesLastFetched (quotesLastFetched) {
const { swapsState } = this.store.getState()
this.store.updateState({ swapsState: { ...swapsState, quotesLastFetched } })
@ -584,42 +573,4 @@ export default class SwapsController {
}
}
async _modifyAndFilterValuesForMaxEthMode (newQuotes, accountBalance) {
const {
swapsState: { customGasPrice },
} = this.store.getState()
const usedGasPrice = customGasPrice || await this._getEthersGasPrice()
const mappedNewQuotes = {}
Object.values(newQuotes).forEach((quote) => {
const oldSourceAmount = quote.sourceAmount
const gasTotalInWeiHex = calcGasTotal((new BigNumber(quote.maxGas, 10)).toString(16), usedGasPrice)
const newSourceAmount = (new BigNumber(accountBalance, 16)).minus(gasTotalInWeiHex, 16).toString(10)
const newOldRatio = (new BigNumber(newSourceAmount, 10)).div(oldSourceAmount, 10)
const oldNewDifference = (new BigNumber(oldSourceAmount, 10)).minus(newSourceAmount, 10).toString(10)
const oldDestinationAmount = quote.destinationAmount
const newDestinationAmount = (new BigNumber(oldDestinationAmount, 10)).times(newOldRatio).toString(10)
const oldValue = quote.trade.value
const newValue = (new BigNumber(oldValue, 16)).minus(oldNewDifference, 10).toString(16)
if ((new BigNumber(newSourceAmount, 10).gt(0))) {
mappedNewQuotes[quote.aggregator] = {
...quote,
trade: {
...quote.trade,
value: ethUtil.addHexPrefix(newValue),
},
destinationAmount: newDestinationAmount,
sourceAmount: newSourceAmount,
}
}
})
return mappedNewQuotes
}
}

1
app/scripts/metamask-controller.js
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@ -605,7 +605,6 @@ export default class MetamaskController extends EventEmitter {
setSwapsTokens: nodeify(swapsController.setSwapsTokens, swapsController),
setApproveTxId: nodeify(swapsController.setApproveTxId, swapsController),
setTradeTxId: nodeify(swapsController.setTradeTxId, swapsController),
setMaxMode: nodeify(swapsController.setMaxMode, swapsController),
setSwapsTxGasPrice: nodeify(swapsController.setSwapsTxGasPrice, swapsController),
setSwapsTxGasLimit: nodeify(swapsController.setSwapsTxGasLimit, swapsController),
safeRefetchQuotes: nodeify(swapsController.safeRefetchQuotes, swapsController),

10
test/unit/app/controllers/swaps-test.js
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@ -101,7 +101,6 @@ const EMPTY_INIT_STATE = {
tokens: null,
tradeTxId: null,
approveTxId: null,
maxMode: false,
quotesLastFetched: null,
customMaxGas: '',
customGasPrice: null,
@ -197,15 +196,6 @@ describe('SwapsController', function () {
)
})
it('should set max mode', function () {
const maxMode = true
swapsController.setMaxMode(maxMode)
assert.strictEqual(
swapsController.store.getState().swapsState.maxMode,
maxMode,
)
})
it('should set swaps tx gas price', function () {
const gasPrice = 1
swapsController.setSwapsTxGasPrice(gasPrice)

49
ui/app/ducks/swaps/swaps.js
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@ -21,10 +21,9 @@ import {
setSwapsLiveness,
} from '../../store/actions'
import { AWAITING_SWAP_ROUTE, BUILD_QUOTE_ROUTE, LOADING_QUOTES_ROUTE, SWAPS_ERROR_ROUTE, SWAPS_MAINTENANCE_ROUTE } from '../../helpers/constants/routes'
import { fetchTradesInfo, fetchSwapsFeatureLiveness } from '../../pages/swaps/swaps.util'
import { fetchSwapsFeatureLiveness } from '../../pages/swaps/swaps.util'
import { calcGasTotal } from '../../pages/send/send.utils'
import { decimalToHex, getValueFromWeiHex, hexMax, decGWEIToHexWEI, hexWEIToDecETH } from '../../helpers/utils/conversions.util'
import { constructTxParams } from '../../helpers/utils/util'
import { decimalToHex, getValueFromWeiHex, hexMax, decGWEIToHexWEI } from '../../helpers/utils/conversions.util'
import { calcTokenAmount } from '../../helpers/utils/token-util'
import {
getFastPriceEstimateInHexWEI,
@ -132,8 +131,6 @@ export const getCustomSwapsGasPrice = (state) => state.metamask.swapsState.custo
export const getFetchParams = (state) => state.metamask.swapsState.fetchParams
export const getMaxMode = (state) => state.metamask.swapsState.maxMode
export const getQuotes = (state) => state.metamask.swapsState.quotes
export const getQuotesLastFetched = (state) => state.metamask.swapsState.quotesLastFetched
@ -317,8 +314,6 @@ export const fetchQuotesAndSetQuoteState = (history, inputValue, maxSlippage, me
dispatch(setFromToken(selectedFromToken))
const maxMode = getMaxMode(state)
metaMetricsEvent({
event: 'Quotes Requested',
category: 'swaps',
@ -354,7 +349,6 @@ export const fetchQuotesAndSetQuoteState = (history, inputValue, maxSlippage, me
sourceDecimals: fromTokenDecimals,
},
{
maxMode,
sourceTokenInfo,
destinationTokenInfo,
accountBalance: selectedAccount.balance,
@ -445,7 +439,7 @@ export const signAndSendTransactions = (history, metaMetricsEvent) => {
history.push(AWAITING_SWAP_ROUTE)
const usedQuote = getUsedQuote(state)
let usedTradeTxParams = usedQuote.trade
const usedTradeTxParams = usedQuote.trade
const estimatedGasLimit = new BigNumber(usedQuote?.gasEstimate || decimalToHex(usedQuote?.averageGas || 0), 16)
const estimatedGasLimitWithMultiplier = estimatedGasLimit.times(1.4, 10).round(0).toString(16)
@ -458,43 +452,6 @@ export const signAndSendTransactions = (history, metaMetricsEvent) => {
const usedGasPrice = customConvertGasPrice || tradeTxParams?.gasPrice || fastGasEstimate
usedTradeTxParams.gasPrice = usedGasPrice
const totalGasLimitForCalculation = (new BigNumber(usedTradeTxParams.gas, 16)).plus(usedQuote.approvalNeeded?.gas || '0x0', 16).toString(16)
const gasTotalInWeiHex = calcGasTotal(totalGasLimitForCalculation, usedGasPrice)
const maxMode = getMaxMode(state)
const selectedAccount = getSelectedAccount(state)
if (maxMode && sourceTokenInfo.symbol === 'ETH') {
const ethBalance = selectedAccount.balance
if ((new BigNumber(ethBalance, 16)).lte(gasTotalInWeiHex, 16)) {
// If somehow signAndSendTransactions was called when the users eth balance is less than the gas cost of a swap, an error has occured.
// The swap transaction should not be created.
dispatch(setSwapsErrorKey(SWAP_FAILED_ERROR))
history.push(SWAPS_ERROR_ROUTE)
return
}
const revisedTradeValueInHexWei = (new BigNumber(ethBalance, 16)).minus(gasTotalInWeiHex, 16).toString(16)
const revisedTradeValueInEth = hexWEIToDecETH(revisedTradeValueInHexWei)
const revisedQuotes = await fetchTradesInfo({
sourceToken: sourceTokenInfo.address,
destinationToken: destinationTokenInfo.address,
slippage,
value: revisedTradeValueInEth,
exchangeList: usedQuote.aggregator,
fromAddress: selectedAccount.address,
timeout: 10000,
sourceDecimals: 18,
})
const revisedQuote = Object.values(revisedQuotes)[0]
usedTradeTxParams = constructTxParams({
...revisedQuote.trade,
gas: decimalToHex(usedTradeTxParams.gas),
amount: decimalToHex(revisedQuote.trade.value),
gasPrice: tradeTxParams.gasPrice,
})
}
const conversionRate = getConversionRate(state)
const destinationValue = calcTokenAmount(usedQuote.destinationAmount, destinationTokenInfo.decimals || 18).toPrecision(8)
const usedGasLimitEstimate = usedQuote?.gasEstimateWithRefund || (`0x${decimalToHex(usedQuote?.averageGas || 0)}`)

20
ui/app/pages/swaps/build-quote/build-quote.js
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@ -32,7 +32,7 @@ import { useEthFiatAmount } from '../../../hooks/useEthFiatAmount'
import { ETH_SWAPS_TOKEN_OBJECT } from '../../../helpers/constants/swaps'
import { setMaxMode, resetSwapsPostFetchState, removeToken } from '../../../store/actions'
import { resetSwapsPostFetchState, removeToken } from '../../../store/actions'
import { fetchTokenPrice, fetchTokenBalance } from '../swaps.util'
import SwapsFooter from '../swaps-footer'
@ -139,7 +139,6 @@ export default function BuildQuote ({
})
}
dispatch(setSwapsFromToken(token))
dispatch(setMaxMode(false))
onInputChange(token?.address ? inputValue : '', token.string, token.decimals)
}
@ -154,6 +153,7 @@ export default function BuildQuote ({
const hideDropdownItemIf = useCallback((item) => item.address === fromTokenAddress, [fromTokenAddress])
// If the eth balance changes while on build quote, we update the selected from token
useEffect(() => {
if (fromToken?.address === ETH_SWAPS_TOKEN_OBJECT.address && (fromToken?.balance !== ethBalance)) {
dispatch(setSwapsFromToken({ ...fromToken, balance: ethBalance, string: getValueFromWeiHex({ value: ethBalance, numberOfDecimals: 4, toDenomination: 'ETH' }) }))
@ -175,20 +175,18 @@ export default function BuildQuote ({
<div className="build-quote__content">
<div className="build-quote__dropdown-input-pair-header">
<div className="build-quote__input-label">{t('swapSwapFrom')}</div>
<div
className="build-quote__max-button"
onClick={() => {
dispatch(setMaxMode(true))
onInputChange(fromTokenBalance || '0', fromTokenBalance)
}}
>{t('max')}
</div>
{fromTokenSymbol !== 'ETH' && (
<div
className="build-quote__max-button"
onClick={() => onInputChange(fromTokenBalance || '0', fromTokenBalance)}
>{t('max')}
</div>
)}
</div>
<DropdownInputPair
onSelect={onFromSelect}
itemsToSearch={tokensToSearch}
onInputChange={(value) => {
dispatch(setMaxMode(false))
onInputChange(value, fromTokenBalance)
}}
inputValue={inputValue}

3
ui/app/pages/swaps/index.js
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@ -42,7 +42,7 @@ import {
OFFLINE_FOR_MAINTENANCE,
} from '../../helpers/constants/swaps'
import { resetBackgroundSwapsState, setSwapsTokens, setMaxMode, removeToken, setBackgroundSwapRouteState, setSwapsErrorKey } from '../../store/actions'
import { resetBackgroundSwapsState, setSwapsTokens, removeToken, setBackgroundSwapRouteState, setSwapsErrorKey } from '../../store/actions'
import { getFastPriceEstimateInHexWEI, currentNetworkTxListSelector, getRpcPrefsForCurrentProvider } from '../../selectors'
import { useNewMetricEvent } from '../../hooks/useMetricEvent'
import { getValueFromWeiHex } from '../../helpers/utils/conversions.util'
@ -268,7 +268,6 @@ export default function Swap () {
onInputChange={onInputChange}
ethBalance={ethBalance}
setMaxSlippage={setMaxSlippage}
setMaxMode={setMaxMode}
selectedAccountAddress={selectedAccountAddress}
maxSlippage={maxSlippage}
/>

14
ui/app/pages/swaps/view-quote/view-quote.js
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@ -19,7 +19,6 @@ import {
setBalanceError,
getQuotesLastFetched,
getBalanceError,
getMaxMode,
getCustomSwapsGas,
getDestinationTokenInfo,
getSwapsTradeTxParams,
@ -110,7 +109,6 @@ export default function ViewQuote () {
const currentCurrency = useSelector(getCurrentCurrency)
const swapsTokens = useSelector(getTokens)
const balanceError = useSelector(getBalanceError)
const maxMode = useSelector(getMaxMode)
const fetchParams = useSelector(getFetchParams)
const approveTxParams = useSelector(getApproveTxParams)
const selectedQuote = useSelector(getSelectedQuote)
@ -233,9 +231,6 @@ export default function ViewQuote () {
(tokenCost).gt(new BigNumber(selectedFromToken.balance || '0x0'))
)
const insufficientEthForGas = (new BigNumber(gasTotalInWeiHex, 16))
.gt(new BigNumber(ethBalance || '0x0'))
const insufficientEth = (ethCost).gt(new BigNumber(ethBalance || '0x0'))
const tokenBalanceNeeded = insufficientTokens
@ -282,16 +277,9 @@ export default function ViewQuote () {
}
}, [originalApproveAmount, approveAmount])
const allowedMaxModeSubmit = (
maxMode &&
sourceTokenSymbol === 'ETH' &&
!insufficientEthForGas
)
const showWarning = (
(balanceError || tokenBalanceNeeded || ethBalanceNeeded) &&
!warningHidden &&
!allowedMaxModeSubmit
!warningHidden
)
const numberOfQuotes = Object.values(quotes).length

7
ui/app/store/actions.js
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@ -2180,13 +2180,6 @@ export function resetBackgroundSwapsState () {
}
}
export function setMaxMode (maxMode) {
return async (dispatch) => {
await promisifiedBackground.setMaxMode(maxMode)
await forceUpdateMetamaskState(dispatch)
}
}
export function setCustomApproveTxData (data) {
return async (dispatch) => {
await promisifiedBackground.setCustomApproveTxData(data)

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