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Refactoring useGasFeeInputs hook (#12327)

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Refactoring useGasFeeInputs hook
This commit is contained in:
Jyoti Puri 2021-10-22 22:44:28 +05:30 committed by GitHub
parent 3068324ae0
commit 79b08fb803
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17 changed files with 2077 additions and 153 deletions
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2
ui/components/app/edit-gas-popover/edit-gas-popover.component.js
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import React, { useCallback, useContext, useState } from 'react';
import PropTypes from 'prop-types';
import { useDispatch, useSelector } from 'react-redux';
import { useGasFeeInputs } from '../../../hooks/useGasFeeInputs';
import { useGasFeeInputs } from '../../../hooks/gasFeeInput/useGasFeeInputs';
import { getGasLoadingAnimationIsShowing } from '../../../ducks/app/app';
import { txParamsAreDappSuggested } from '../../../../shared/modules/transaction.utils';
import { EDIT_GAS_MODES, GAS_LIMITS } from '../../../../shared/constants/gas';

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ui/hooks/gasFeeInput/test-utils.js Normal file
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import { useSelector } from 'react-redux';
import { GAS_ESTIMATE_TYPES } from '../../../shared/constants/gas';
import {
conversionUtil,
multiplyCurrencies,
} from '../../../shared/modules/conversion.utils';
import {
getConversionRate,
getNativeCurrency,
} from '../../ducks/metamask/metamask';
import {
checkNetworkAndAccountSupports1559,
getCurrentCurrency,
getSelectedAccount,
getShouldShowFiat,
getPreferences,
txDataSelector,
} from '../../selectors';
import { ETH } from '../../helpers/constants/common';
import { useGasFeeEstimates } from '../useGasFeeEstimates';
// Why this number?
// 20 gwei * 21000 gasLimit = 420,000 gwei
// 420,000 gwei is 0.00042 ETH
// 0.00042 ETH * 100000 = $42
export const MOCK_ETH_USD_CONVERSION_RATE = 100000;
export const LEGACY_GAS_ESTIMATE_RETURN_VALUE = {
gasEstimateType: GAS_ESTIMATE_TYPES.LEGACY,
gasFeeEstimates: {
low: '10',
medium: '20',
high: '30',
},
estimatedGasFeeTimeBounds: {},
};
export const FEE_MARKET_ESTIMATE_RETURN_VALUE = {
gasEstimateType: GAS_ESTIMATE_TYPES.FEE_MARKET,
gasFeeEstimates: {
low: {
minWaitTimeEstimate: 180000,
maxWaitTimeEstimate: 300000,
suggestedMaxPriorityFeePerGas: '3',
suggestedMaxFeePerGas: '53',
},
medium: {
minWaitTimeEstimate: 15000,
maxWaitTimeEstimate: 60000,
suggestedMaxPriorityFeePerGas: '7',
suggestedMaxFeePerGas: '70',
},
high: {
minWaitTimeEstimate: 0,
maxWaitTimeEstimate: 15000,
suggestedMaxPriorityFeePerGas: '10',
suggestedMaxFeePerGas: '100',
},
estimatedBaseFee: '50',
},
estimatedGasFeeTimeBounds: {},
};
export const HIGH_FEE_MARKET_ESTIMATE_RETURN_VALUE = {
gasEstimateType: GAS_ESTIMATE_TYPES.FEE_MARKET,
gasFeeEstimates: {
low: {
minWaitTimeEstimate: 180000,
maxWaitTimeEstimate: 300000,
suggestedMaxPriorityFeePerGas: '3',
suggestedMaxFeePerGas: '53000',
},
medium: {
minWaitTimeEstimate: 15000,
maxWaitTimeEstimate: 60000,
suggestedMaxPriorityFeePerGas: '7',
suggestedMaxFeePerGas: '70000',
},
high: {
minWaitTimeEstimate: 0,
maxWaitTimeEstimate: 15000,
suggestedMaxPriorityFeePerGas: '10',
suggestedMaxFeePerGas: '100000',
},
estimatedBaseFee: '50000',
},
estimatedGasFeeTimeBounds: {},
};
export const generateUseSelectorRouter = ({
checkNetworkAndAccountSupports1559Response,
shouldShowFiat = true,
} = {}) => (selector) => {
if (selector === getConversionRate) {
return MOCK_ETH_USD_CONVERSION_RATE;
}
if (selector === getNativeCurrency) {
return ETH;
}
if (selector === getPreferences) {
return {
useNativeCurrencyAsPrimaryCurrency: true,
};
}
if (selector === getCurrentCurrency) {
return 'USD';
}
if (selector === getShouldShowFiat) {
return shouldShowFiat;
}
if (selector === txDataSelector) {
return {
txParams: {
value: '0x5555',
},
};
}
if (selector === getSelectedAccount) {
return {
balance: '0x440aa47cc2556',
};
}
if (selector === checkNetworkAndAccountSupports1559) {
return checkNetworkAndAccountSupports1559Response;
}
return undefined;
};
export function getTotalCostInETH(gwei, gasLimit) {
return multiplyCurrencies(gwei, gasLimit, {
fromDenomination: 'GWEI',
toDenomination: 'ETH',
multiplicandBase: 10,
multiplierBase: 10,
});
}
export function convertFromHexToFiat(value) {
const val = conversionUtil(value, {
fromNumericBase: 'hex',
toNumericBase: 'dec',
fromDenomination: 'WEI',
});
return `$${(val * MOCK_ETH_USD_CONVERSION_RATE).toFixed(2)}`;
}
export function convertFromHexToETH(value) {
const val = conversionUtil(value, {
fromNumericBase: 'hex',
toNumericBase: 'dec',
fromDenomination: 'WEI',
});
return `${val} ETH`;
}
export const configureEIP1559 = () => {
useGasFeeEstimates.mockImplementation(() => FEE_MARKET_ESTIMATE_RETURN_VALUE);
useSelector.mockImplementation(
generateUseSelectorRouter({
checkNetworkAndAccountSupports1559Response: true,
}),
);
};
export const configureLegacy = () => {
useGasFeeEstimates.mockImplementation(() => LEGACY_GAS_ESTIMATE_RETURN_VALUE);
useSelector.mockImplementation(
generateUseSelectorRouter({
checkNetworkAndAccountSupports1559Response: false,
}),
);
};
export const configure = () => {
useSelector.mockImplementation(generateUseSelectorRouter());
};

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ui/hooks/gasFeeInput/useGasEstimates.js Normal file
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import { useSelector } from 'react-redux';
import {
EDIT_GAS_MODES,
GAS_ESTIMATE_TYPES,
} from '../../../shared/constants/gas';
import {
getMaximumGasTotalInHexWei,
getMinimumGasTotalInHexWei,
} from '../../../shared/modules/gas.utils';
import { PRIMARY, SECONDARY } from '../../helpers/constants/common';
import {
checkNetworkAndAccountSupports1559,
getShouldShowFiat,
} from '../../selectors';
import {
decGWEIToHexWEI,
decimalToHex,
} from '../../helpers/utils/conversions.util';
import { isLegacyTransaction } from '../../helpers/utils/transactions.util';
import { useCurrencyDisplay } from '../useCurrencyDisplay';
import { useUserPreferencedCurrency } from '../useUserPreferencedCurrency';
/**
* @typedef {Object} GasEstimatesReturnType
* @property {string} [estimatedMinimumFiat] - The amount estimated to be paid
* based on current network conditions. Expressed in user's preferred currency.
* @property {string} [estimatedMaximumFiat] - the maximum amount estimated to be paid if current
* network transaction volume increases. Expressed in user's preferred currency.
* @property {string} [estimatedMaximumNative] - the maximum amount estimated to be paid if the
* current network transaction volume increases. Expressed in the network's native currency.
* @property {string} [estimatedMinimumNative] - the maximum amount estimated to be paid if the
* current network transaction volume increases. Expressed in the network's native currency.
* @property {string} [estimatedMinimumNative] - the maximum amount estimated to be paid if the
* current network transaction volume increases. Expressed in the network's native currency.
* @property {HexWeiString} [estimatedBaseFee] - estimatedBaseFee from fee-market gasFeeEstimates
* in HexWei.
* @property {HexWeiString} [minimumCostInHexWei] - the minimum amount this transaction will cost.
*/
export function useGasEstimates({
editGasMode,
gasEstimateType,
gasFeeEstimates,
gasLimit,
gasPrice,
maxFeePerGas,
maxPriorityFeePerGas,
minimumGasLimit,
transaction,
}) {
const supportsEIP1559 =
useSelector(checkNetworkAndAccountSupports1559) &&
!isLegacyTransaction(transaction?.txParams);
const {
currency: fiatCurrency,
numberOfDecimals: fiatNumberOfDecimals,
} = useUserPreferencedCurrency(SECONDARY);
const showFiat = useSelector(getShouldShowFiat);
const {
currency: primaryCurrency,
numberOfDecimals: primaryNumberOfDecimals,
} = useUserPreferencedCurrency(PRIMARY);
// We have two helper methods that take an object that can have either
// gasPrice OR the EIP-1559 fields on it, plus gasLimit. This object is
// conditionally set to the appropriate fields to compute the minimum
// and maximum cost of a transaction given the current estimates or selected
// gas fees.
let gasSettings = {
gasLimit: decimalToHex(gasLimit),
};
if (supportsEIP1559) {
gasSettings = {
...gasSettings,
maxFeePerGas: decGWEIToHexWEI(maxFeePerGas || gasPrice || '0'),
maxPriorityFeePerGas: decGWEIToHexWEI(
maxPriorityFeePerGas || maxFeePerGas || gasPrice || '0',
),
baseFeePerGas: decGWEIToHexWEI(gasFeeEstimates.estimatedBaseFee ?? '0'),
};
} else if (gasEstimateType === GAS_ESTIMATE_TYPES.NONE) {
gasSettings = {
...gasSettings,
gasPrice: '0x0',
};
} else {
gasSettings = {
...gasSettings,
gasPrice: decGWEIToHexWEI(gasPrice),
};
}
// The maximum amount this transaction will cost
const maximumCostInHexWei = getMaximumGasTotalInHexWei(gasSettings);
if (editGasMode === EDIT_GAS_MODES.SWAPS) {
gasSettings = { ...gasSettings, gasLimit: decimalToHex(minimumGasLimit) };
}
// The minimum amount this transaction will cost
const minimumCostInHexWei = getMinimumGasTotalInHexWei(gasSettings);
// The estimated total amount of native currency that will be expended
// given the selected gas fees.
const [estimatedMaximumNative] = useCurrencyDisplay(maximumCostInHexWei, {
numberOfDecimals: primaryNumberOfDecimals,
currency: primaryCurrency,
});
const [, { value: estimatedMaximumFiat }] = useCurrencyDisplay(
maximumCostInHexWei,
{
numberOfDecimals: fiatNumberOfDecimals,
currency: fiatCurrency,
},
);
const [estimatedMinimumNative] = useCurrencyDisplay(minimumCostInHexWei, {
numberOfDecimals: primaryNumberOfDecimals,
currency: primaryCurrency,
});
// We also need to display our closest estimate of the low end of estimation
// in fiat.
const [, { value: estimatedMinimumFiat }] = useCurrencyDisplay(
minimumCostInHexWei,
{
numberOfDecimals: fiatNumberOfDecimals,
currency: fiatCurrency,
},
);
return {
estimatedMaximumFiat: showFiat ? estimatedMaximumFiat : '',
estimatedMinimumFiat: showFiat ? estimatedMinimumFiat : '',
estimatedMaximumNative,
estimatedMinimumNative,
estimatedBaseFee: supportsEIP1559
? decGWEIToHexWEI(gasFeeEstimates.estimatedBaseFee ?? '0')
: undefined,
minimumCostInHexWei,
};
}

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ui/hooks/gasFeeInput/useGasEstimates.test.js Normal file
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import { useSelector } from 'react-redux';
import { renderHook } from '@testing-library/react-hooks';
import {
getMaximumGasTotalInHexWei,
getMinimumGasTotalInHexWei,
} from '../../../shared/modules/gas.utils';
import {
decGWEIToHexWEI,
decimalToHex,
} from '../../helpers/utils/conversions.util';
import {
FEE_MARKET_ESTIMATE_RETURN_VALUE,
LEGACY_GAS_ESTIMATE_RETURN_VALUE,
configureEIP1559,
configureLegacy,
convertFromHexToETH,
convertFromHexToFiat,
generateUseSelectorRouter,
} from './test-utils';
import { useGasEstimates } from './useGasEstimates';
jest.mock('../useGasFeeEstimates', () => ({
useGasFeeEstimates: jest.fn(),
}));
jest.mock('react-redux', () => {
const actual = jest.requireActual('react-redux');
return {
...actual,
useSelector: jest.fn(),
};
});
const useGasEstimatesHook = (props) =>
useGasEstimates({
transaction: { txParams: { type: '0x2', value: '100' } },
gasLimit: '21000',
gasPrice: '10',
maxPriorityFeePerGas: '10',
maxFeePerGas: '100',
minimumCostInHexWei: '0x5208',
minimumGasLimit: '0x5208',
supportsEIP1559: true,
...FEE_MARKET_ESTIMATE_RETURN_VALUE,
...props,
});
describe('useGasEstimates', () => {
beforeEach(() => {
jest.clearAllMocks();
});
describe('EIP-1559 scenario', () => {
beforeEach(() => {
configureEIP1559();
});
it('uses new EIP-1559 gas fields to calculate minimum values', () => {
const gasLimit = '21000';
const maxFeePerGas = '100';
const maxPriorityFeePerGas = '10';
const {
estimatedBaseFee,
} = FEE_MARKET_ESTIMATE_RETURN_VALUE.gasFeeEstimates;
const { result } = renderHook(() =>
useGasEstimatesHook({ gasLimit, maxFeePerGas, maxPriorityFeePerGas }),
);
const minimumHexValue = getMinimumGasTotalInHexWei({
baseFeePerGas: decGWEIToHexWEI(estimatedBaseFee),
gasLimit: decimalToHex(gasLimit),
maxFeePerGas: decGWEIToHexWEI(maxFeePerGas),
maxPriorityFeePerGas: decGWEIToHexWEI(maxPriorityFeePerGas),
});
expect(result.current.minimumCostInHexWei).toBe(minimumHexValue);
expect(result.current.estimatedMinimumFiat).toBe(
convertFromHexToFiat(minimumHexValue),
);
expect(result.current.estimatedMinimumNative).toBe(
convertFromHexToETH(minimumHexValue),
);
});
it('uses new EIP-1559 gas fields to calculate maximum values', () => {
const gasLimit = '21000';
const maxFeePerGas = '100';
const { result } = renderHook(() =>
useGasEstimatesHook({ gasLimit, maxFeePerGas }),
);
const maximumHexValue = getMaximumGasTotalInHexWei({
gasLimit: decimalToHex(gasLimit),
maxFeePerGas: decGWEIToHexWEI(maxFeePerGas),
});
expect(result.current.estimatedMaximumFiat).toBe(
convertFromHexToFiat(maximumHexValue),
);
expect(result.current.estimatedMaximumNative).toBe(
convertFromHexToETH(maximumHexValue),
);
});
it('does not return fiat values if showFiat is false', () => {
const gasLimit = '21000';
const maxFeePerGas = '100';
useSelector.mockImplementation(
generateUseSelectorRouter({
checkNetworkAndAccountSupports1559Response: true,
shouldShowFiat: false,
}),
);
const { result } = renderHook(() =>
useGasEstimatesHook({ gasLimit, maxFeePerGas }),
);
expect(result.current.estimatedMaximumFiat).toBe('');
expect(result.current.estimatedMinimumFiat).toBe('');
});
it('uses gasFeeEstimates.estimatedBaseFee prop to calculate estimatedBaseFee', () => {
const {
estimatedBaseFee,
} = FEE_MARKET_ESTIMATE_RETURN_VALUE.gasFeeEstimates;
const { result } = renderHook(() => useGasEstimatesHook());
expect(result.current.estimatedBaseFee).toBe(
decGWEIToHexWEI(estimatedBaseFee),
);
});
});
describe('legacy scenario', () => {
beforeEach(() => {
configureLegacy();
});
it('uses legacy gas fields to calculate minimum values', () => {
const gasLimit = '21000';
const gasPrice = '10';
const { result } = renderHook(() =>
useGasEstimatesHook({
gasLimit,
gasPrice,
supportsEIP1559: false,
...LEGACY_GAS_ESTIMATE_RETURN_VALUE,
}),
);
const minimumHexValue = getMinimumGasTotalInHexWei({
gasLimit: decimalToHex(gasLimit),
gasPrice: decGWEIToHexWEI(gasPrice),
});
expect(result.current.minimumCostInHexWei).toBe(minimumHexValue);
expect(result.current.estimatedMinimumFiat).toBe(
convertFromHexToFiat(minimumHexValue),
);
expect(result.current.estimatedMinimumNative).toBe(
convertFromHexToETH(minimumHexValue),
);
});
it('uses legacy gas fields to calculate maximum values', () => {
const gasLimit = '21000';
const gasPrice = '10';
const { result } = renderHook(() =>
useGasEstimatesHook({
gasLimit,
gasPrice,
supportsEIP1559: false,
...LEGACY_GAS_ESTIMATE_RETURN_VALUE,
}),
);
const maximumHexValue = getMaximumGasTotalInHexWei({
gasLimit: decimalToHex(gasLimit),
gasPrice: decGWEIToHexWEI(gasPrice),
});
expect(result.current.estimatedMaximumFiat).toBe(
convertFromHexToFiat(maximumHexValue),
);
expect(result.current.estimatedMaximumNative).toBe(
convertFromHexToETH(maximumHexValue),
);
});
it('estimatedBaseFee is undefined', () => {
const { result } = renderHook(() =>
useGasEstimatesHook({ supportsEIP1559: false }),
);
expect(result.current.estimatedBaseFee).toBeUndefined();
});
});
});

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ui/hooks/gasFeeInput/useGasFeeErrors.js Normal file
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import { useMemo } from 'react';
import { useSelector } from 'react-redux';
import { GAS_ESTIMATE_TYPES, GAS_LIMITS } from '../../../shared/constants/gas';
import {
conversionLessThan,
conversionGreaterThan,
} from '../../../shared/modules/conversion.utils';
import {
checkNetworkAndAccountSupports1559,
getSelectedAccount,
} from '../../selectors';
import { addHexes } from '../../helpers/utils/conversions.util';
import { isLegacyTransaction } from '../../helpers/utils/transactions.util';
import {
bnGreaterThan,
bnLessThan,
bnLessThanEqualTo,
} from '../../helpers/utils/util';
import { GAS_FORM_ERRORS } from '../../helpers/constants/gas';
const HIGH_FEE_WARNING_MULTIPLIER = 1.5;
const validateGasLimit = (gasLimit, minimumGasLimit) => {
const gasLimitTooLow = conversionLessThan(
{ value: gasLimit, fromNumericBase: 'dec' },
{ value: minimumGasLimit || GAS_LIMITS.SIMPLE, fromNumericBase: 'hex' },
);
if (gasLimitTooLow) return GAS_FORM_ERRORS.GAS_LIMIT_OUT_OF_BOUNDS;
return undefined;
};
const validateMaxPriorityFee = (maxPriorityFeePerGas, supportsEIP1559) => {
if (!supportsEIP1559) return undefined;
if (bnLessThanEqualTo(maxPriorityFeePerGas, 0)) {
return GAS_FORM_ERRORS.MAX_PRIORITY_FEE_BELOW_MINIMUM;
}
return undefined;
};
const validateMaxFee = (
maxFeePerGas,
maxPriorityFeeError,
maxPriorityFeePerGas,
supportsEIP1559,
) => {
if (maxPriorityFeeError || !supportsEIP1559) return undefined;
if (bnGreaterThan(maxPriorityFeePerGas, maxFeePerGas)) {
return GAS_FORM_ERRORS.MAX_FEE_IMBALANCE;
}
return undefined;
};
const validateGasPrice = (
isFeeMarketGasEstimate,
gasPrice,
supportsEIP1559,
transaction,
) => {
if (supportsEIP1559 && isFeeMarketGasEstimate) return undefined;
if (
(!supportsEIP1559 || transaction?.txParams?.gasPrice) &&
bnLessThanEqualTo(gasPrice, 0)
) {
return GAS_FORM_ERRORS.GAS_PRICE_TOO_LOW;
}
return undefined;
};
const getMaxPriorityFeeWarning = (
gasFeeEstimates,
isFeeMarketGasEstimate,
isGasEstimatesLoading,
maxPriorityFeePerGas,
supportsEIP1559,
) => {
if (!supportsEIP1559 || !isFeeMarketGasEstimate || isGasEstimatesLoading)
return undefined;
if (
bnLessThan(
maxPriorityFeePerGas,
gasFeeEstimates?.low?.suggestedMaxPriorityFeePerGas,
)
) {
return GAS_FORM_ERRORS.MAX_PRIORITY_FEE_TOO_LOW;
}
if (
gasFeeEstimates?.high &&
bnGreaterThan(
maxPriorityFeePerGas,
gasFeeEstimates.high.suggestedMaxPriorityFeePerGas *
HIGH_FEE_WARNING_MULTIPLIER,
)
) {
return GAS_FORM_ERRORS.MAX_PRIORITY_FEE_HIGH_WARNING;
}
return undefined;
};
const getMaxFeeWarning = (
gasFeeEstimates,
isGasEstimatesLoading,
isFeeMarketGasEstimate,
maxFeeError,
maxPriorityFeeError,
maxFeePerGas,
supportsEIP1559,
) => {
if (
maxPriorityFeeError ||
maxFeeError ||
!isFeeMarketGasEstimate ||
!supportsEIP1559 ||
isGasEstimatesLoading
) {
return undefined;
}
if (bnLessThan(maxFeePerGas, gasFeeEstimates?.low?.suggestedMaxFeePerGas)) {
return GAS_FORM_ERRORS.MAX_FEE_TOO_LOW;
}
if (
gasFeeEstimates?.high &&
bnGreaterThan(
maxFeePerGas,
gasFeeEstimates.high.suggestedMaxFeePerGas * HIGH_FEE_WARNING_MULTIPLIER,
)
) {
return GAS_FORM_ERRORS.MAX_FEE_HIGH_WARNING;
}
return undefined;
};
const getBalanceError = (minimumCostInHexWei, transaction, ethBalance) => {
const minimumTxCostInHexWei = addHexes(
minimumCostInHexWei,
transaction?.txParams?.value || '0x0',
);
return conversionGreaterThan(
{ value: minimumTxCostInHexWei, fromNumericBase: 'hex' },
{ value: ethBalance, fromNumericBase: 'hex' },
);
};
/**
* @typedef {Object} GasFeeErrorsReturnType
* @property {Object} [gasErrors] - combined map of errors and warnings.
* @property {boolean} [hasGasErrors] - true if there are errors that can block submission.
* @property {Object} gasWarnings - map of gas warnings for EIP-1559 fields.
* @property {boolean} [balanceError] - true if user balance is less than transaction value.
* @property {boolean} [estimatesUnavailableWarning] - true if supportsEIP1559 is true and
* estimate is not of type fee-market.
*/
export function useGasFeeErrors({
gasEstimateType,
gasFeeEstimates,
isGasEstimatesLoading,
gasLimit,
gasPrice,
maxPriorityFeePerGas,
maxFeePerGas,
minimumCostInHexWei,
minimumGasLimit,
transaction,
}) {
const supportsEIP1559 =
useSelector(checkNetworkAndAccountSupports1559) &&
!isLegacyTransaction(transaction?.txParams);
const isFeeMarketGasEstimate =
gasEstimateType === GAS_ESTIMATE_TYPES.FEE_MARKET;
// Get all errors
const gasLimitError = validateGasLimit(gasLimit, minimumGasLimit);
const maxPriorityFeeError = validateMaxPriorityFee(
maxPriorityFeePerGas,
supportsEIP1559,
);
const maxFeeError = validateMaxFee(
maxFeePerGas,
maxPriorityFeeError,
maxPriorityFeePerGas,
supportsEIP1559,
);
const gasPriceError = validateGasPrice(
isFeeMarketGasEstimate,
gasPrice,
supportsEIP1559,
transaction,
);
// Get all warnings
const maxPriorityFeeWarning = getMaxPriorityFeeWarning(
gasFeeEstimates,
isFeeMarketGasEstimate,
isGasEstimatesLoading,
maxPriorityFeePerGas,
supportsEIP1559,
);
const maxFeeWarning = getMaxFeeWarning(
gasFeeEstimates,
isGasEstimatesLoading,
isFeeMarketGasEstimate,
maxFeeError,
maxPriorityFeeError,
maxFeePerGas,
supportsEIP1559,
);
// Separating errors from warnings so we can know which value problems
// are blocking or simply useful information for the users
const gasErrors = useMemo(() => {
const errors = {};
if (gasLimitError) errors.gasLimit = gasLimitError;
if (maxPriorityFeeError) errors.maxPriorityFee = maxPriorityFeeError;
if (maxFeeError) errors.maxFee = maxFeeError;
if (gasPriceError) errors.gasPrice = gasPriceError;
return errors;
}, [gasLimitError, maxPriorityFeeError, maxFeeError, gasPriceError]);
const gasWarnings = useMemo(() => {
const warnings = {};
if (maxPriorityFeeWarning) warnings.maxPriorityFee = maxPriorityFeeWarning;
if (maxFeeWarning) warnings.maxFee = maxFeeWarning;
return warnings;
}, [maxPriorityFeeWarning, maxFeeWarning]);
const estimatesUnavailableWarning =
supportsEIP1559 && !isFeeMarketGasEstimate;
// Determine if we have any errors which should block submission
const hasGasErrors = Boolean(Object.keys(gasErrors).length);
// Combine the warnings and errors into one object for easier use within the UI.
// This object should have no effect on whether or not the user can submit the form
const errorsAndWarnings = useMemo(
() => ({
...gasWarnings,
...gasErrors,
}),
[gasErrors, gasWarnings],
);
const { balance: ethBalance } = useSelector(getSelectedAccount);
const balanceError = getBalanceError(
minimumCostInHexWei,
transaction,
ethBalance,
);
return {
gasErrors: errorsAndWarnings,
hasGasErrors,
gasWarnings,
balanceError,
estimatesUnavailableWarning,
};
}

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import { renderHook } from '@testing-library/react-hooks';
import { useSelector } from 'react-redux';
import { GAS_FORM_ERRORS } from '../../helpers/constants/gas';
import { useGasFeeErrors } from './useGasFeeErrors';
import {
FEE_MARKET_ESTIMATE_RETURN_VALUE,
LEGACY_GAS_ESTIMATE_RETURN_VALUE,
configureEIP1559,
configureLegacy,
generateUseSelectorRouter,
} from './test-utils';
jest.mock('../useGasFeeEstimates', () => ({
useGasFeeEstimates: jest.fn(),
}));
jest.mock('react-redux', () => {
const actual = jest.requireActual('react-redux');
return {
...actual,
useSelector: jest.fn(),
};
});
const renderUseGasFeeErrorsHook = (props) => {
return renderHook(() =>
useGasFeeErrors({
transaction: { txParams: { type: '0x2', value: '100' } },
gasLimit: '21000',
gasPrice: '10',
maxPriorityFeePerGas: '10',
maxFeePerGas: '100',
minimumCostInHexWei: '0x5208',
minimumGasLimit: '0x5208',
...FEE_MARKET_ESTIMATE_RETURN_VALUE,
...props,
}),
);
};
describe('useGasFeeErrors', () => {
beforeEach(() => {
jest.clearAllMocks();
});
describe('gasLimit validation', () => {
beforeEach(() => {
configureLegacy();
});
it('does not returns gasLimitError if gasLimit is not below minimum', () => {
const { result } = renderUseGasFeeErrorsHook(
LEGACY_GAS_ESTIMATE_RETURN_VALUE,
);
expect(result.current.gasErrors.gasLimit).toBeUndefined();
expect(result.current.hasGasErrors).toBe(false);
});
it('returns gasLimitError if gasLimit is below minimum', () => {
const { result } = renderUseGasFeeErrorsHook({
gasLimit: '100',
...LEGACY_GAS_ESTIMATE_RETURN_VALUE,
});
expect(result.current.gasErrors.gasLimit).toBe(
GAS_FORM_ERRORS.GAS_LIMIT_OUT_OF_BOUNDS,
);
expect(result.current.hasGasErrors).toBe(true);
});
});
describe('maxPriorityFee validation', () => {
describe('EIP1559 compliant estimates', () => {
beforeEach(() => {
configureEIP1559();
});
it('does not return maxPriorityFeeError if maxPriorityFee is not 0', () => {
const { result } = renderUseGasFeeErrorsHook();
expect(result.current.gasErrors.maxPriorityFee).toBeUndefined();
expect(result.current.hasGasErrors).toBe(false);
});
it('return maxPriorityFeeError if maxPriorityFee is 0', () => {
const { result } = renderUseGasFeeErrorsHook({
maxPriorityFeePerGas: '0',
});
expect(result.current.gasErrors.maxPriorityFee).toBe(
GAS_FORM_ERRORS.MAX_PRIORITY_FEE_BELOW_MINIMUM,
);
expect(result.current.hasGasErrors).toBe(true);
});
});
describe('Legacy estimates', () => {
beforeEach(() => {
configureLegacy();
});
it('does not return maxPriorityFeeError if maxPriorityFee is 0', () => {
const { result } = renderUseGasFeeErrorsHook(
LEGACY_GAS_ESTIMATE_RETURN_VALUE,
);
expect(result.current.gasErrors.maxPriorityFee).toBeUndefined();
expect(result.current.hasGasErrors).toBe(false);
});
});
});
describe('maxFee validation', () => {
describe('EIP1559 compliant estimates', () => {
beforeEach(() => {
configureEIP1559();
});
it('does not return maxFeeError if maxFee is greater than maxPriorityFee', () => {
const { result } = renderUseGasFeeErrorsHook();
expect(result.current.gasErrors.maxFee).toBeUndefined();
expect(result.current.hasGasErrors).toBe(false);
});
it('return maxFeeError if maxFee is less than maxPriorityFee', () => {
const { result } = renderUseGasFeeErrorsHook({
maxFeePerGas: '1',
maxPriorityFeePerGas: '10',
});
expect(result.current.gasErrors.maxFee).toBe(
GAS_FORM_ERRORS.MAX_FEE_IMBALANCE,
);
expect(result.current.hasGasErrors).toBe(true);
});
it('does not return MAX_FEE_IMBALANCE error if maxPriorityFeePerGas is 0', () => {
const { result } = renderUseGasFeeErrorsHook({
maxFeePerGas: '1',
maxPriorityFeePerGas: '0',
});
expect(result.current.gasErrors.maxFee).toBeUndefined();
});
});
describe('Legacy estimates', () => {
beforeEach(() => {
configureLegacy();
});
it('does not return maxFeeError if maxFee is less than maxPriorityFee', () => {
const { result } = renderUseGasFeeErrorsHook({
maxFeePerGas: '1',
maxPriorityFeePerGas: '10',
...LEGACY_GAS_ESTIMATE_RETURN_VALUE,
});
expect(result.current.gasErrors.maxFee).toBeUndefined();
expect(result.current.hasGasErrors).toBe(false);
});
});
});
describe('gasPrice validation', () => {
describe('EIP1559 compliant estimates', () => {
beforeEach(() => {
configureEIP1559();
});
it('does not return gasPriceError if gasPrice is 0', () => {
const { result } = renderUseGasFeeErrorsHook({ gasPrice: '0' });
expect(result.current.gasErrors.gasPrice).toBeUndefined();
expect(result.current.hasGasErrors).toBe(false);
});
});
describe('Legacy estimates', () => {
beforeEach(() => {
configureLegacy();
});
it('returns gasPriceError if gasPrice is 0', () => {
const { result } = renderUseGasFeeErrorsHook({
gasPrice: '0',
...LEGACY_GAS_ESTIMATE_RETURN_VALUE,
});
expect(result.current.gasErrors.gasPrice).toBe(
GAS_FORM_ERRORS.GAS_PRICE_TOO_LOW,
);
expect(result.current.hasGasErrors).toBe(true);
});
it('does not return gasPriceError if gasPrice is > 0', () => {
const { result } = renderUseGasFeeErrorsHook(
LEGACY_GAS_ESTIMATE_RETURN_VALUE,
);
expect(result.current.gasErrors.gasPrice).toBeUndefined();
expect(result.current.hasGasErrors).toBe(false);
});
});
});
describe('maxPriorityFee warning', () => {
describe('EIP1559 compliant estimates', () => {
beforeEach(() => {
configureEIP1559();
});
it('does not return maxPriorityFeeWarning if maxPriorityFee is > suggestedMaxPriorityFeePerGas', () => {
const { result } = renderUseGasFeeErrorsHook();
expect(result.current.gasWarnings.maxPriorityFee).toBeUndefined();
});
it('return maxPriorityFeeWarning if maxPriorityFee is < suggestedMaxPriorityFeePerGas', () => {
const { result } = renderUseGasFeeErrorsHook({
maxPriorityFeePerGas: '1',
});
expect(result.current.gasWarnings.maxPriorityFee).toBe(
GAS_FORM_ERRORS.MAX_PRIORITY_FEE_TOO_LOW,
);
});
it('return maxPriorityFeeWarning if maxPriorityFee is > gasFeeEstimates.high.suggestedMaxPriorityFeePerGas', () => {
const { result } = renderUseGasFeeErrorsHook({
maxPriorityFeePerGas: '100',
});
expect(result.current.gasWarnings.maxPriorityFee).toBe(
GAS_FORM_ERRORS.MAX_PRIORITY_FEE_HIGH_WARNING,
);
});
});
describe('Legacy estimates', () => {
beforeEach(() => {
configureLegacy();
});
it('does not return maxPriorityFeeWarning if maxPriorityFee is < gasFeeEstimates.low.suggestedMaxPriorityFeePerGas', () => {
const { result } = renderUseGasFeeErrorsHook({
maxPriorityFeePerGas: '1',
...LEGACY_GAS_ESTIMATE_RETURN_VALUE,
});
expect(result.current.gasWarnings.maxPriorityFee).toBeUndefined();
expect(result.current.hasGasErrors).toBe(false);
});
});
});
describe('maxFee warning', () => {
describe('EIP1559 compliant estimates', () => {
beforeEach(() => {
configureEIP1559();
});
it('does not return maxFeeWarning if maxFee is > suggestedMaxFeePerGas', () => {
const { result } = renderUseGasFeeErrorsHook();
expect(result.current.gasWarnings.maxFee).toBeUndefined();
});
it('return maxFeeWarning if maxFee is < suggestedMaxFeePerGas', () => {
const { result } = renderUseGasFeeErrorsHook({
maxFeePerGas: '20',
});
expect(result.current.gasWarnings.maxFee).toBe(
GAS_FORM_ERRORS.MAX_FEE_TOO_LOW,
);
});
it('return maxFeeWarning if gasFeeEstimates are high and maxFee is > suggestedMaxFeePerGas', () => {
const { result } = renderUseGasFeeErrorsHook({
maxFeePerGas: '1000',
});
expect(result.current.gasWarnings.maxFee).toBe(
GAS_FORM_ERRORS.MAX_FEE_HIGH_WARNING,
);
});
});
describe('Legacy estimates', () => {
beforeEach(() => {
configureLegacy();
});
it('does not return maxFeeWarning if maxFee is < suggestedMaxFeePerGas', () => {
const { result } = renderUseGasFeeErrorsHook({
maxFeePerGas: '1',
...LEGACY_GAS_ESTIMATE_RETURN_VALUE,
});
expect(result.current.gasWarnings.maxFee).toBeUndefined();
});
});
});
describe('Balance Error', () => {
it('is false if balance is greater than transaction value', () => {
configureEIP1559();
const { result } = renderUseGasFeeErrorsHook();
expect(result.current.balanceError).toBe(false);
});
it('is true if balance is less than transaction value', () => {
configureLegacy();
const { result } = renderUseGasFeeErrorsHook({
transaction: { txParams: { type: '0x2', value: '0x440aa47cc2556' } },
...LEGACY_GAS_ESTIMATE_RETURN_VALUE,
});
expect(result.current.balanceError).toBe(true);
});
});
describe('estimatesUnavailableWarning', () => {
it('is false if supportsEIP1559 and gasEstimateType is fee-market', () => {
configureEIP1559();
const { result } = renderUseGasFeeErrorsHook();
expect(result.current.estimatesUnavailableWarning).toBe(false);
});
it('is true if supportsEIP1559 and gasEstimateType is not fee-market', () => {
useSelector.mockImplementation(
generateUseSelectorRouter({
checkNetworkAndAccountSupports1559Response: true,
}),
);
const { result } = renderUseGasFeeErrorsHook(
LEGACY_GAS_ESTIMATE_RETURN_VALUE,
);
expect(result.current.estimatesUnavailableWarning).toBe(true);
});
});
});

254
ui/hooks/gasFeeInput/useGasFeeInputs.js Normal file
View File

@ -0,0 +1,254 @@
import { useCallback, useState } from 'react';
import { useSelector } from 'react-redux';
import { getAdvancedInlineGasShown } from '../../selectors';
import { hexToDecimal } from '../../helpers/utils/conversions.util';
import { GAS_FORM_ERRORS } from '../../helpers/constants/gas';
import { useGasFeeEstimates } from '../useGasFeeEstimates';
import { useGasFeeErrors } from './useGasFeeErrors';
import { useGasPriceInput } from './useGasPriceInput';
import { useMaxFeePerGasInput } from './useMaxFeePerGasInput';
import { useMaxPriorityFeePerGasInput } from './useMaxPriorityFeePerGasInput';
import { useGasEstimates } from './useGasEstimates';
/**
* @typedef {Object} GasFeeInputReturnType
* @property {DecGweiString} [maxFeePerGas] - the maxFeePerGas input value.
* @property {string} [maxFeePerGasFiat] - the maxFeePerGas converted to the
* user's preferred currency.
* @property {(DecGweiString) => void} setMaxFeePerGas - state setter method to
* update the maxFeePerGas.
* @property {DecGweiString} [maxPriorityFeePerGas] - the maxPriorityFeePerGas
* input value.
* @property {string} [maxPriorityFeePerGasFiat] - the maxPriorityFeePerGas
* converted to the user's preferred currency.
* @property {(DecGweiString) => void} setMaxPriorityFeePerGas - state setter
* method to update the maxPriorityFeePerGas.
* @property {DecGweiString} [gasPrice] - the gasPrice input value.
* @property {(DecGweiString) => void} setGasPrice - state setter method to
* update the gasPrice.
* @property {DecGweiString} gasLimit - the gasLimit input value.
* @property {(DecGweiString) => void} setGasLimit - state setter method to
* update the gasLimit.
* @property {EstimateLevel} [estimateToUse] - the estimate level currently
* selected. This will be null if the user has ejected from using the
* estimates.
* @property {([EstimateLevel]) => void} setEstimateToUse - Setter method for
* choosing which EstimateLevel to use.
* @property {string} [estimatedMinimumFiat] - The amount estimated to be paid
* based on current network conditions. Expressed in user's preferred
* currency.
* @property {string} [estimatedMaximumFiat] - the maximum amount estimated to be
* paid if current network transaction volume increases. Expressed in user's
* preferred currency.
* @property {string} [estimatedMaximumNative] - the maximum amount estimated to
* be paid if the current network transaction volume increases. Expressed in
* the network's native currency.
*/
/**
* Uses gasFeeEstimates and state to keep track of user gas fee inputs.
* Will update the gas fee state when estimates update if the user has not yet
* modified the fields.
* @param {EstimateLevel} defaultEstimateToUse - which estimate
* level to default the 'estimateToUse' state variable to.
* @returns {GasFeeInputReturnType & import(
* './useGasFeeEstimates'
* ).GasEstimates} - gas fee input state and the GasFeeEstimates object
*/
export function useGasFeeInputs(
defaultEstimateToUse = 'medium',
transaction,
minimumGasLimit = '0x5208',
editGasMode,
) {
// We need the gas estimates from the GasFeeController in the background.
// Calling this hooks initiates polling for new gas estimates and returns the
// current estimate.
const {
gasEstimateType,
gasFeeEstimates,
isGasEstimatesLoading,
estimatedGasFeeTimeBounds,
} = useGasFeeEstimates();
const userPrefersAdvancedGas = useSelector(getAdvancedInlineGasShown);
const [estimateToUse, setInternalEstimateToUse] = useState(() => {
if (
userPrefersAdvancedGas &&
transaction?.txParams?.maxPriorityFeePerGas &&
transaction?.txParams?.maxFeePerGas
)
return null;
if (transaction) return transaction?.userFeeLevel || null;
return defaultEstimateToUse;
});
const [gasLimit, setGasLimit] = useState(
Number(hexToDecimal(transaction?.txParams?.gas ?? '0x0')),
);
const {
gasPrice,
setGasPrice,
setGasPriceHasBeenManuallySet,
} = useGasPriceInput({
estimateToUse,
gasEstimateType,
gasFeeEstimates,
transaction,
});
const {
maxFeePerGas,
maxFeePerGasFiat,
setMaxFeePerGas,
} = useMaxFeePerGasInput({
estimateToUse,
gasEstimateType,
gasFeeEstimates,
gasLimit,
gasPrice,
transaction,
});
const {
maxPriorityFeePerGas,
maxPriorityFeePerGasFiat,
setMaxPriorityFeePerGas,
} = useMaxPriorityFeePerGasInput({
estimateToUse,
gasEstimateType,
gasFeeEstimates,
gasLimit,
transaction,
});
const {
estimatedBaseFee,
estimatedMaximumFiat,
estimatedMinimumFiat,
estimatedMaximumNative,
estimatedMinimumNative,
minimumCostInHexWei,
} = useGasEstimates({
editGasMode,
gasEstimateType,
gasFeeEstimates,
gasLimit,
gasPrice,
maxFeePerGas,
maxPriorityFeePerGas,
minimumGasLimit,
transaction,
});
const {
balanceError,
estimatesUnavailableWarning,
gasErrors,
gasWarnings,
hasGasErrors,
} = useGasFeeErrors({
gasEstimateType,
gasFeeEstimates,
isGasEstimatesLoading,
gasLimit,
gasPrice,
maxPriorityFeePerGas,
maxFeePerGas,
minimumCostInHexWei,
minimumGasLimit,
transaction,
});
const handleGasLimitOutOfBoundError = useCallback(() => {
if (gasErrors.gasLimit === GAS_FORM_ERRORS.GAS_LIMIT_OUT_OF_BOUNDS) {
const transactionGasLimitDec = hexToDecimal(transaction?.txParams?.gas);
const minimumGasLimitDec = hexToDecimal(minimumGasLimit);
setGasLimit(
transactionGasLimitDec > minimumGasLimitDec
? transactionGasLimitDec
: minimumGasLimitDec,
);
}
}, [minimumGasLimit, gasErrors.gasLimit, transaction]);
// When a user selects an estimate level, it will wipe out what they have
// previously put in the inputs. This returns the inputs to the estimated
// values at the level specified.
const setEstimateToUse = useCallback(
(estimateLevel) => {
setInternalEstimateToUse(estimateLevel);
handleGasLimitOutOfBoundError();
setMaxFeePerGas(null);
setMaxPriorityFeePerGas(null);
setGasPrice(null);
setGasPriceHasBeenManuallySet(false);
},
[
setInternalEstimateToUse,
handleGasLimitOutOfBoundError,
setMaxFeePerGas,
setMaxPriorityFeePerGas,
setGasPrice,
setGasPriceHasBeenManuallySet,
],
);
const onManualChange = useCallback(() => {
setInternalEstimateToUse('custom');
handleGasLimitOutOfBoundError();
// Restore existing values
setGasPrice(gasPrice);
setGasLimit(gasLimit);
setMaxFeePerGas(maxFeePerGas);
setMaxPriorityFeePerGas(maxPriorityFeePerGas);
setGasPriceHasBeenManuallySet(true);
}, [
setInternalEstimateToUse,
handleGasLimitOutOfBoundError,
setGasPrice,
gasPrice,
setGasLimit,
gasLimit,
setMaxFeePerGas,
maxFeePerGas,
setMaxPriorityFeePerGas,
maxPriorityFeePerGas,
setGasPriceHasBeenManuallySet,
]);
return {
maxFeePerGas,
maxFeePerGasFiat,
setMaxFeePerGas,
maxPriorityFeePerGas,
maxPriorityFeePerGasFiat,
setMaxPriorityFeePerGas,
gasPrice,
setGasPrice,
gasLimit,
setGasLimit,
estimateToUse,
setEstimateToUse,
estimatedMinimumFiat,
estimatedMaximumFiat,
estimatedMaximumNative,
estimatedMinimumNative,
isGasEstimatesLoading,
gasFeeEstimates,
gasEstimateType,
estimatedGasFeeTimeBounds,
onManualChange,
estimatedBaseFee,
// error and warnings
balanceError,
estimatesUnavailableWarning,
gasErrors,
gasWarnings,
hasGasErrors,
};
}

248
ui/hooks/useGasFeeInputs.test.js → ui/hooks/gasFeeInput/useGasFeeInputs.test.js
View File

@ -1,31 +1,29 @@
import { act, renderHook } from '@testing-library/react-hooks';
import { useSelector } from 'react-redux';
import { GAS_ESTIMATE_TYPES } from '../../shared/constants/gas';
import { multiplyCurrencies } from '../../shared/modules/conversion.utils';
import { TRANSACTION_ENVELOPE_TYPES } from '../../shared/constants/transaction';
import {
getConversionRate,
getNativeCurrency,
} from '../ducks/metamask/metamask';
import {
checkNetworkAndAccountSupports1559,
getCurrentCurrency,
getShouldShowFiat,
txDataSelector,
getSelectedAccount,
} from '../selectors';
import { TRANSACTION_ENVELOPE_TYPES } from '../../../shared/constants/transaction';
import { ETH, PRIMARY } from '../helpers/constants/common';
import { ETH, PRIMARY } from '../../helpers/constants/common';
import { useGasFeeEstimates } from './useGasFeeEstimates';
import { useUserPreferencedCurrency } from '../useUserPreferencedCurrency';
import { useGasFeeEstimates } from '../useGasFeeEstimates';
import { useGasFeeInputs } from './useGasFeeInputs';
import { useUserPreferencedCurrency } from './useUserPreferencedCurrency';
jest.mock('./useUserPreferencedCurrency', () => ({
import {
MOCK_ETH_USD_CONVERSION_RATE,
LEGACY_GAS_ESTIMATE_RETURN_VALUE,
FEE_MARKET_ESTIMATE_RETURN_VALUE,
HIGH_FEE_MARKET_ESTIMATE_RETURN_VALUE,
configureEIP1559,
configureLegacy,
generateUseSelectorRouter,
getTotalCostInETH,
} from './test-utils';
jest.mock('../useUserPreferencedCurrency', () => ({
useUserPreferencedCurrency: jest.fn(),
}));
jest.mock('./useGasFeeEstimates', () => ({
jest.mock('../useGasFeeEstimates', () => ({
useGasFeeEstimates: jest.fn(),
}));
@ -38,116 +36,6 @@ jest.mock('react-redux', () => {
};
});
// Why this number?
// 20 gwei * 21000 gasLimit = 420,000 gwei
// 420,000 gwei is 0.00042 ETH
// 0.00042 ETH * 100000 = $42
const MOCK_ETH_USD_CONVERSION_RATE = 100000;
const LEGACY_GAS_ESTIMATE_RETURN_VALUE = {
gasEstimateType: GAS_ESTIMATE_TYPES.LEGACY,
gasFeeEstimates: {
low: '10',
medium: '20',
high: '30',
},
estimatedGasFeeTimeBounds: {},
};
const FEE_MARKET_ESTIMATE_RETURN_VALUE = {
gasEstimateType: GAS_ESTIMATE_TYPES.FEE_MARKET,
gasFeeEstimates: {
low: {
minWaitTimeEstimate: 180000,
maxWaitTimeEstimate: 300000,
suggestedMaxPriorityFeePerGas: '3',
suggestedMaxFeePerGas: '53',
},
medium: {
minWaitTimeEstimate: 15000,
maxWaitTimeEstimate: 60000,
suggestedMaxPriorityFeePerGas: '7',
suggestedMaxFeePerGas: '70',
},
high: {
minWaitTimeEstimate: 0,
maxWaitTimeEstimate: 15000,
suggestedMaxPriorityFeePerGas: '10',
suggestedMaxFeePerGas: '100',
},
estimatedBaseFee: '50',
},
estimatedGasFeeTimeBounds: {},
};
const HIGH_FEE_MARKET_ESTIMATE_RETURN_VALUE = {
gasEstimateType: GAS_ESTIMATE_TYPES.FEE_MARKET,
gasFeeEstimates: {
low: {
minWaitTimeEstimate: 180000,
maxWaitTimeEstimate: 300000,
suggestedMaxPriorityFeePerGas: '3',
suggestedMaxFeePerGas: '53000',
},
medium: {
minWaitTimeEstimate: 15000,
maxWaitTimeEstimate: 60000,
suggestedMaxPriorityFeePerGas: '7',
suggestedMaxFeePerGas: '70000',
},
high: {
minWaitTimeEstimate: 0,
maxWaitTimeEstimate: 15000,
suggestedMaxPriorityFeePerGas: '10',
suggestedMaxFeePerGas: '100000',
},
estimatedBaseFee: '50000',
},
estimatedGasFeeTimeBounds: {},
};
const generateUseSelectorRouter = ({
checkNetworkAndAccountSupports1559Response,
} = {}) => (selector) => {
if (selector === getConversionRate) {
return MOCK_ETH_USD_CONVERSION_RATE;
}
if (selector === getNativeCurrency) {
return ETH;
}
if (selector === getCurrentCurrency) {
return 'USD';
}
if (selector === getShouldShowFiat) {
return true;
}
if (selector === txDataSelector) {
return {
txParams: {
value: '0x5555',
},
};
}
if (selector === getSelectedAccount) {
return {
balance: '0x440aa47cc2556',
};
}
if (selector === checkNetworkAndAccountSupports1559) {
return checkNetworkAndAccountSupports1559Response;
}
return undefined;
};
function getTotalCostInETH(gwei, gasLimit) {
return multiplyCurrencies(gwei, gasLimit, {
fromDenomination: 'GWEI',
toDenomination: 'ETH',
multiplicandBase: 10,
multiplierBase: 10,
});
}
describe('useGasFeeInputs', () => {
beforeEach(() => {
jest.clearAllMocks();
@ -161,10 +49,7 @@ describe('useGasFeeInputs', () => {
describe('when using gasPrice API for estimation', () => {
beforeEach(() => {
useGasFeeEstimates.mockImplementation(
() => LEGACY_GAS_ESTIMATE_RETURN_VALUE,
);
useSelector.mockImplementation(generateUseSelectorRouter());
configureLegacy();
});
it('passes through the raw estimate values from useGasFeeEstimates', () => {
const { result } = renderHook(() => useGasFeeInputs());
@ -226,11 +111,9 @@ describe('useGasFeeInputs', () => {
describe('when transaction is type-0', () => {
beforeEach(() => {
useGasFeeEstimates.mockImplementation(
() => FEE_MARKET_ESTIMATE_RETURN_VALUE,
);
useSelector.mockImplementation(generateUseSelectorRouter());
configureEIP1559();
});
it('returns gasPrice appropriately, and "0" for EIP1559 fields', () => {
const { result } = renderHook(() =>
useGasFeeInputs('medium', {
@ -251,10 +134,7 @@ describe('useGasFeeInputs', () => {
describe('when using EIP 1559 API for estimation', () => {
beforeEach(() => {
useGasFeeEstimates.mockImplementation(
() => FEE_MARKET_ESTIMATE_RETURN_VALUE,
);
useSelector.mockImplementation(generateUseSelectorRouter());
configureEIP1559();
});
it('passes through the raw estimate values from useGasFeeEstimates', () => {
const { result } = renderHook(() => useGasFeeInputs());
@ -326,10 +206,7 @@ describe('useGasFeeInputs', () => {
describe('when balance is sufficient for minimum transaction cost', () => {
beforeEach(() => {
useGasFeeEstimates.mockImplementation(
() => FEE_MARKET_ESTIMATE_RETURN_VALUE,
);
useSelector.mockImplementation(generateUseSelectorRouter());
configureEIP1559();
});
it('should return false', () => {
@ -340,14 +217,10 @@ describe('useGasFeeInputs', () => {
describe('when balance is insufficient for minimum transaction cost', () => {
beforeEach(() => {
configureEIP1559();
useGasFeeEstimates.mockImplementation(
() => HIGH_FEE_MARKET_ESTIMATE_RETURN_VALUE,
);
useSelector.mockImplementation(
generateUseSelectorRouter({
checkNetworkAndAccountSupports1559Response: true,
}),
);
});
it('should return true', () => {
@ -360,4 +233,79 @@ describe('useGasFeeInputs', () => {
expect(result.current.balanceError).toBe(true);
});
});
describe('callback setEstimateToUse', () => {
beforeEach(() => {
configureEIP1559();
});
it('should change estimateToUse value', () => {
const { result } = renderHook(() =>
useGasFeeInputs(null, {
userFeeLevel: 'medium',
txParams: { gas: '0x5208' },
}),
);
act(() => {
result.current.setEstimateToUse('high');
});
expect(result.current.estimateToUse).toBe('high');
expect(result.current.maxFeePerGas).toBe(
FEE_MARKET_ESTIMATE_RETURN_VALUE.gasFeeEstimates.high
.suggestedMaxFeePerGas,
);
expect(result.current.maxPriorityFeePerGas).toBe(
FEE_MARKET_ESTIMATE_RETURN_VALUE.gasFeeEstimates.high
.suggestedMaxPriorityFeePerGas,
);
});
});
describe('callback onManualChange', () => {
beforeEach(() => {
configureEIP1559();
});
it('should change estimateToUse value to custom', () => {
const { result } = renderHook(() =>
useGasFeeInputs(null, {
userFeeLevel: 'medium',
txParams: { gas: '0x5208' },
}),
);
act(() => {
result.current.onManualChange();
result.current.setMaxFeePerGas('100');
result.current.setMaxPriorityFeePerGas('10');
});
expect(result.current.estimateToUse).toBe('custom');
expect(result.current.maxFeePerGas).toBe('100');
expect(result.current.maxPriorityFeePerGas).toBe('10');
});
});
describe('when showFiat is false', () => {
beforeEach(() => {
configureEIP1559();
useSelector.mockImplementation(
generateUseSelectorRouter({
checkNetworkAndAccountSupports1559Response: true,
shouldShowFiat: false,
}),
);
});
it('does not return fiat values', () => {
const { result } = renderHook(() =>
useGasFeeInputs(null, {
userFeeLevel: 'medium',
txParams: { gas: '0x5208' },
}),
);
expect(result.current.maxFeePerGasFiat).toBe('');
expect(result.current.maxPriorityFeePerGasFiat).toBe('');
expect(result.current.estimatedMaximumFiat).toBe('');
expect(result.current.estimatedMinimumFiat).toBe('');
});
});
});

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import { useState } from 'react';
import { isEqual } from 'lodash';
import { GAS_ESTIMATE_TYPES } from '../../../shared/constants/gas';
import { hexWEIToDecGWEI } from '../../helpers/utils/conversions.util';
import { isLegacyTransaction } from '../../helpers/utils/transactions.util';
import { feeParamsAreCustom } from './utils';
function getGasPriceEstimate(gasFeeEstimates, gasEstimateType, estimateToUse) {
if (gasEstimateType === GAS_ESTIMATE_TYPES.LEGACY) {
return gasFeeEstimates?.[estimateToUse] ?? '0';
} else if (gasEstimateType === GAS_ESTIMATE_TYPES.ETH_GASPRICE) {
return gasFeeEstimates?.gasPrice ?? '0';
}
return '0';
}
/**
* @typedef {Object} GasPriceInputsReturnType
* @property {DecGweiString} [gasPrice] - the gasPrice input value.
* @property {(DecGweiString) => void} setGasPrice - state setter method to update the gasPrice.
* @property {(boolean) => true} setGasPriceHasBeenManuallySet - state setter method to update gasPriceHasBeenManuallySet
* field gasPriceHasBeenManuallySet is used in gasPrice calculations.
*/
export function useGasPriceInput({
estimateToUse,
gasEstimateType,
gasFeeEstimates,
transaction,
}) {
const [gasPriceHasBeenManuallySet, setGasPriceHasBeenManuallySet] = useState(
transaction?.userFeeLevel === 'custom',
);
const [gasPrice, setGasPrice] = useState(() => {
const { gasPrice: txGasPrice } = transaction?.txParams || {};
return txGasPrice && feeParamsAreCustom(transaction)
? Number(hexWEIToDecGWEI(txGasPrice))
: null;
});
const [initialGasPriceEstimates] = useState(gasFeeEstimates);
const gasPriceEstimatesHaveNotChanged = isEqual(
initialGasPriceEstimates,
gasFeeEstimates,
);
const gasPriceToUse =
gasPrice !== null &&
(gasPriceHasBeenManuallySet ||
gasPriceEstimatesHaveNotChanged ||
isLegacyTransaction(transaction?.txParams))
? gasPrice
: getGasPriceEstimate(gasFeeEstimates, gasEstimateType, estimateToUse);
return {
gasPrice: gasPriceToUse,
setGasPrice,
setGasPriceHasBeenManuallySet,
};
}

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import { act, renderHook } from '@testing-library/react-hooks';
import {
FEE_MARKET_ESTIMATE_RETURN_VALUE,
LEGACY_GAS_ESTIMATE_RETURN_VALUE,
configure,
} from './test-utils';
import { useGasPriceInput } from './useGasPriceInput';
jest.mock('../useGasFeeEstimates', () => ({
useGasFeeEstimates: jest.fn(),
}));
jest.mock('react-redux', () => {
const actual = jest.requireActual('react-redux');
return {
...actual,
useSelector: jest.fn(),
};
});
describe('useGasPriceInput', () => {
beforeEach(() => {
jest.clearAllMocks();
configure();
});
it('returns gasPrice values from transaction if transaction.userFeeLevel is custom', () => {
const { result } = renderHook(() =>
useGasPriceInput({
transaction: {
userFeeLevel: 'custom',
txParams: { gasPrice: '0x5028' },
},
}),
);
expect(result.current.gasPrice).toBe(0.00002052);
});
it('does not return gasPrice values from transaction if transaction.userFeeLevel is not custom', () => {
configure();
const { result } = renderHook(() =>
useGasPriceInput({
estimateToUse: 'high',
transaction: {
userFeeLevel: 'high',
txParams: { gasPrice: '0x5028' },
},
...LEGACY_GAS_ESTIMATE_RETURN_VALUE,
}),
);
expect(result.current.gasPrice).toBe('30');
});
it('if no gasPrice is provided returns default estimate for legacy transaction', () => {
const { result } = renderHook(() =>
useGasPriceInput({
estimateToUse: 'medium',
...LEGACY_GAS_ESTIMATE_RETURN_VALUE,
}),
);
expect(result.current.gasPrice).toBe('20');
});
it('for legacy transaction if estimateToUse is high and no gasPrice is provided returns high estimate value', () => {
const { result } = renderHook(() =>
useGasPriceInput({
estimateToUse: 'high',
...LEGACY_GAS_ESTIMATE_RETURN_VALUE,
}),
);
expect(result.current.gasPrice).toBe('30');
});
it('returns 0 if gasPrice is not present in transaction and estimates are also not legacy', () => {
const { result } = renderHook(() =>
useGasPriceInput({
estimateToUse: 'medium',
...FEE_MARKET_ESTIMATE_RETURN_VALUE,
}),
);
expect(result.current.gasPrice).toBe('0');
});
it('returns gasPrice set by user if gasPriceHasBeenManuallySet is true', () => {
const { result } = renderHook(() =>
useGasPriceInput({ estimateToUse: 'medium' }),
);
act(() => {
result.current.setGasPriceHasBeenManuallySet(true);
result.current.setGasPrice(100);
});
expect(result.current.gasPrice).toBe(100);
});
});

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import { useState } from 'react';
import { useSelector } from 'react-redux';
import { GAS_ESTIMATE_TYPES } from '../../../shared/constants/gas';
import { SECONDARY } from '../../helpers/constants/common';
import { getMaximumGasTotalInHexWei } from '../../../shared/modules/gas.utils';
import {
decGWEIToHexWEI,
decimalToHex,
hexWEIToDecGWEI,
} from '../../helpers/utils/conversions.util';
import {
checkNetworkAndAccountSupports1559,
getShouldShowFiat,
} from '../../selectors';
import { isLegacyTransaction } from '../../helpers/utils/transactions.util';
import { useCurrencyDisplay } from '../useCurrencyDisplay';
import { useUserPreferencedCurrency } from '../useUserPreferencedCurrency';
import { feeParamsAreCustom, getGasFeeEstimate } from './utils';
const getMaxFeePerGasFromTransaction = (transaction) => {
const { maxFeePerGas, gasPrice } = transaction?.txParams || {};
return Number(hexWEIToDecGWEI(maxFeePerGas || gasPrice));
};
/**
* @typedef {Object} MaxFeePerGasInputReturnType
* @property {(DecGweiString) => void} setMaxFeePerGas - state setter method to
* update the maxFeePerGas.
* @property {string} [maxFeePerGasFiat] - the maxFeePerGas converted to the
* user's preferred currency.
* @property {(DecGweiString) => void} setMaxFeePerGas - state setter
* method to update the setMaxFeePerGas.
*/
export function useMaxFeePerGasInput({
estimateToUse,
gasEstimateType,
gasFeeEstimates,
gasLimit,
gasPrice,
transaction,
}) {
const supportsEIP1559 =
useSelector(checkNetworkAndAccountSupports1559) &&
!isLegacyTransaction(transaction?.txParams);
const {
currency: fiatCurrency,
numberOfDecimals: fiatNumberOfDecimals,
} = useUserPreferencedCurrency(SECONDARY);
const showFiat = useSelector(getShouldShowFiat);
const maxFeePerGasFromTransaction = supportsEIP1559
? getMaxFeePerGasFromTransaction(transaction)
: 0;
// This hook keeps track of a few pieces of transitional state. It is
// transitional because it is only used to modify a transaction in the
// metamask (background) state tree.
const [maxFeePerGas, setMaxFeePerGas] = useState(() => {
if (maxFeePerGasFromTransaction && feeParamsAreCustom(transaction))
return maxFeePerGasFromTransaction;
return null;
});
let gasSettings = {
gasLimit: decimalToHex(gasLimit),
};
if (supportsEIP1559) {
gasSettings = {
...gasSettings,
maxFeePerGas: decGWEIToHexWEI(maxFeePerGas || gasPrice || '0'),
};
} else if (gasEstimateType === GAS_ESTIMATE_TYPES.NONE) {
gasSettings = {
...gasSettings,
gasPrice: '0x0',
};
} else {
gasSettings = {
...gasSettings,
gasPrice: decGWEIToHexWEI(gasPrice),
};
}
const maximumCostInHexWei = getMaximumGasTotalInHexWei(gasSettings);
// We need to display thee estimated fiat currency impact of the maxFeePerGas
// field to the user. This hook calculates that amount. This also works for
// the gasPrice amount because in legacy transactions cost is always gasPrice
// * gasLimit.
const [, { value: maxFeePerGasFiat }] = useCurrencyDisplay(
maximumCostInHexWei,
{
numberOfDecimals: fiatNumberOfDecimals,
currency: fiatCurrency,
},
);
// We specify whether to use the estimate value by checking if the state
// value has been set. The state value is only set by user input and is wiped
// when the user selects an estimate. Default here is '0' to avoid bignumber
// errors in later calculations for nullish values.
const maxFeePerGasToUse =
maxFeePerGas ??
getGasFeeEstimate(
'suggestedMaxFeePerGas',
gasFeeEstimates,
gasEstimateType,
estimateToUse,
maxFeePerGasFromTransaction,
);
return {
maxFeePerGas: maxFeePerGasToUse,
maxFeePerGasFiat: showFiat ? maxFeePerGasFiat : '',
setMaxFeePerGas,
};
}

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import { useSelector } from 'react-redux';
import { act, renderHook } from '@testing-library/react-hooks';
import { getMaximumGasTotalInHexWei } from '../../../shared/modules/gas.utils';
import { decimalToHex } from '../../helpers/utils/conversions.util';
import {
FEE_MARKET_ESTIMATE_RETURN_VALUE,
LEGACY_GAS_ESTIMATE_RETURN_VALUE,
configureEIP1559,
configureLegacy,
convertFromHexToFiat,
generateUseSelectorRouter,
} from './test-utils';
import { useMaxFeePerGasInput } from './useMaxFeePerGasInput';
jest.mock('../useGasFeeEstimates', () => ({
useGasFeeEstimates: jest.fn(),
}));
jest.mock('react-redux', () => {
const actual = jest.requireActual('react-redux');
return {
...actual,
useSelector: jest.fn(),
};
});
const renderUseMaxFeePerGasInputHook = (props) =>
renderHook(() =>
useMaxFeePerGasInput({
gasLimit: '21000',
estimateToUse: 'medium',
transaction: {
userFeeLevel: 'custom',
txParams: { maxFeePerGas: '0x5028' },
},
...FEE_MARKET_ESTIMATE_RETURN_VALUE,
...props,
}),
);
describe('useMaxFeePerGasInput', () => {
beforeEach(() => {
jest.clearAllMocks();
configureEIP1559();
});
it('returns maxFeePerGas values from transaction if transaction.userFeeLevel is custom', () => {
const { result } = renderUseMaxFeePerGasInputHook();
expect(result.current.maxFeePerGas).toBe(0.00002052);
});
it('returns gasPrice values from transaction if transaction.userFeeLevel is custom and maxFeePerGas is not provided', () => {
const { result } = renderUseMaxFeePerGasInputHook({
transaction: {
userFeeLevel: 'custom',
txParams: { gasPrice: '0x5028' },
},
});
expect(result.current.maxFeePerGas).toBe(0.00002052);
});
it('does not returns maxFeePerGas values from transaction if transaction.userFeeLevel is not custom', () => {
const { result } = renderUseMaxFeePerGasInputHook({
estimateToUse: 'high',
transaction: {
userFeeLevel: 'high',
txParams: { maxFeePerGas: '0x5028' },
},
});
expect(result.current.maxFeePerGas).toBe(
FEE_MARKET_ESTIMATE_RETURN_VALUE.gasFeeEstimates.high
.suggestedMaxFeePerGas,
);
});
it('if no maxFeePerGas is provided by user or in transaction it returns value from fee market estimate', () => {
const { result } = renderUseMaxFeePerGasInputHook({
transaction: {
userFeeLevel: 'high',
txParams: {},
},
});
expect(result.current.maxFeePerGas).toBe(
FEE_MARKET_ESTIMATE_RETURN_VALUE.gasFeeEstimates.medium
.suggestedMaxFeePerGas,
);
});
it('maxFeePerGasFiat is maximum amount that the transaction can cost', () => {
const { result } = renderUseMaxFeePerGasInputHook();
const maximumHexValue = getMaximumGasTotalInHexWei({
gasLimit: decimalToHex('21000'),
maxFeePerGas: '0x5028',
});
expect(result.current.maxFeePerGasFiat).toBe(
convertFromHexToFiat(maximumHexValue),
);
});
it('does not return fiat values if showFiat is false', () => {
useSelector.mockImplementation(
generateUseSelectorRouter({
checkNetworkAndAccountSupports1559Response: true,
shouldShowFiat: false,
}),
);
const { result } = renderUseMaxFeePerGasInputHook();
expect(result.current.maxFeePerGasFiat).toBe('');
});
it('returns 0 if EIP1559 is not supported and legacy gas estimates have been provided', () => {
configureLegacy();
const { result } = renderUseMaxFeePerGasInputHook({
...LEGACY_GAS_ESTIMATE_RETURN_VALUE,
});
expect(result.current.maxFeePerGas).toBe('0');
});
it('returns maxFeePerGas set by user if setMaxFeePerGas is called', () => {
const { result } = renderUseMaxFeePerGasInputHook();
act(() => {
result.current.setMaxFeePerGas(100);
});
expect(result.current.maxFeePerGas).toBe(100);
});
});

97
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import { useSelector } from 'react-redux';
import { useState } from 'react';
import { addHexPrefix } from 'ethereumjs-util';
import { SECONDARY } from '../../helpers/constants/common';
import { hexWEIToDecGWEI } from '../../helpers/utils/conversions.util';
import {
checkNetworkAndAccountSupports1559,
getShouldShowFiat,
} from '../../selectors';
import { multiplyCurrencies } from '../../../shared/modules/conversion.utils';
import { isLegacyTransaction } from '../../helpers/utils/transactions.util';
import { useCurrencyDisplay } from '../useCurrencyDisplay';
import { useUserPreferencedCurrency } from '../useUserPreferencedCurrency';
import { feeParamsAreCustom, getGasFeeEstimate } from './utils';
const getMaxPriorityFeePerGasFromTransaction = (transaction) => {
const { maxPriorityFeePerGas, maxFeePerGas, gasPrice } =
transaction?.txParams || {};
return Number(
hexWEIToDecGWEI(maxPriorityFeePerGas || maxFeePerGas || gasPrice),
);
};
/**
* @typedef {Object} MaxPriorityFeePerGasInputReturnType
* @property {DecGweiString} [maxPriorityFeePerGas] - the maxPriorityFeePerGas
* input value.
* @property {string} [maxPriorityFeePerGasFiat] - the maxPriorityFeePerGas
* converted to the user's preferred currency.
* @property {(DecGweiString) => void} setMaxPriorityFeePerGas - state setter
* method to update the maxPriorityFeePerGas.
*/
export function useMaxPriorityFeePerGasInput({
estimateToUse,
gasEstimateType,
gasFeeEstimates,
gasLimit,
transaction,
}) {
const supportsEIP1559 =
useSelector(checkNetworkAndAccountSupports1559) &&
!isLegacyTransaction(transaction?.txParams);
const {
currency: fiatCurrency,
numberOfDecimals: fiatNumberOfDecimals,
} = useUserPreferencedCurrency(SECONDARY);
const showFiat = useSelector(getShouldShowFiat);
const maxPriorityFeePerGasFromTransaction = supportsEIP1559
? getMaxPriorityFeePerGasFromTransaction(transaction)
: 0;
const [maxPriorityFeePerGas, setMaxPriorityFeePerGas] = useState(() => {
if (maxPriorityFeePerGasFromTransaction && feeParamsAreCustom(transaction))
return maxPriorityFeePerGasFromTransaction;
return null;
});
const maxPriorityFeePerGasToUse =
maxPriorityFeePerGas ??
getGasFeeEstimate(
'suggestedMaxPriorityFeePerGas',
gasFeeEstimates,
gasEstimateType,
estimateToUse,
maxPriorityFeePerGasFromTransaction,
);
// We need to display the estimated fiat currency impact of the
// maxPriorityFeePerGas field to the user. This hook calculates that amount.
const [, { value: maxPriorityFeePerGasFiat }] = useCurrencyDisplay(
addHexPrefix(
multiplyCurrencies(maxPriorityFeePerGasToUse, gasLimit, {
toNumericBase: 'hex',
fromDenomination: 'GWEI',
toDenomination: 'WEI',
multiplicandBase: 10,
multiplierBase: 10,
}),
),
{
numberOfDecimals: fiatNumberOfDecimals,
currency: fiatCurrency,
},
);
return {
maxPriorityFeePerGas: maxPriorityFeePerGasToUse,
maxPriorityFeePerGasFiat: showFiat ? maxPriorityFeePerGasFiat : '',
setMaxPriorityFeePerGas,
};
}

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import { useSelector } from 'react-redux';
import { act, renderHook } from '@testing-library/react-hooks';
import {
FEE_MARKET_ESTIMATE_RETURN_VALUE,
LEGACY_GAS_ESTIMATE_RETURN_VALUE,
configureEIP1559,
configureLegacy,
convertFromHexToFiat,
generateUseSelectorRouter,
} from './test-utils';
import { useMaxPriorityFeePerGasInput } from './useMaxPriorityFeePerGasInput';
jest.mock('../useGasFeeEstimates', () => ({
useGasFeeEstimates: jest.fn(),
}));
jest.mock('react-redux', () => {
const actual = jest.requireActual('react-redux');
return {
...actual,
useSelector: jest.fn(),
};
});
const renderUseMaxPriorityFeePerGasInputHook = (props) => {
return renderHook(() =>
useMaxPriorityFeePerGasInput({
gasLimit: '21000',
estimateToUse: 'medium',
transaction: {
userFeeLevel: 'custom',
txParams: { maxPriorityFeePerGas: '0x5028' },
},
...FEE_MARKET_ESTIMATE_RETURN_VALUE,
...props,
}),
);
};
describe('useMaxPriorityFeePerGasInput', () => {
beforeEach(() => {
jest.clearAllMocks();
configureEIP1559();
});
it('returns maxPriorityFeePerGas values from transaction if transaction.userFeeLevel is custom', () => {
const { result } = renderUseMaxPriorityFeePerGasInputHook();
expect(result.current.maxPriorityFeePerGas).toBe(0.00002052);
expect(result.current.maxPriorityFeePerGasFiat).toBe(
convertFromHexToFiat('0x5028'),
);
});
it('returns maxFeePerGas values from transaction if transaction.userFeeLevel is custom and maxPriorityFeePerGas is not provided', () => {
const { result } = renderUseMaxPriorityFeePerGasInputHook({
transaction: {
userFeeLevel: 'custom',
txParams: { maxFeePerGas: '0x5028' },
},
});
expect(result.current.maxPriorityFeePerGas).toBe(0.00002052);
});
it('does not returns maxPriorityFeePerGas values from transaction if transaction.userFeeLevel is not custom', () => {
const { result } = renderUseMaxPriorityFeePerGasInputHook({
estimateToUse: 'high',
transaction: {
userFeeLevel: 'high',
txParams: { maxPriorityFeePerGas: '0x5028' },
},
});
expect(result.current.maxPriorityFeePerGas).toBe(
FEE_MARKET_ESTIMATE_RETURN_VALUE.gasFeeEstimates.high
.suggestedMaxPriorityFeePerGas,
);
});
it('if no maxPriorityFeePerGas is provided by user or in transaction it returns value from fee market estimate', () => {
const { result } = renderUseMaxPriorityFeePerGasInputHook({
transaction: {
txParams: {},
},
});
expect(result.current.maxPriorityFeePerGas).toBe(
FEE_MARKET_ESTIMATE_RETURN_VALUE.gasFeeEstimates.medium
.suggestedMaxPriorityFeePerGas,
);
});
it('does not return fiat values if showFiat is false', () => {
useSelector.mockImplementation(
generateUseSelectorRouter({
checkNetworkAndAccountSupports1559Response: true,
shouldShowFiat: false,
}),
);
const { result } = renderUseMaxPriorityFeePerGasInputHook();
expect(result.current.maxPriorityFeePerGasFiat).toBe('');
});
it('returns 0 if EIP1559 is not supported and gas estimates are legacy', () => {
configureLegacy();
const { result } = renderUseMaxPriorityFeePerGasInputHook({
...LEGACY_GAS_ESTIMATE_RETURN_VALUE,
});
expect(result.current.maxPriorityFeePerGas).toBe('0');
});
it('returns maxPriorityFeePerGas set by user if setMaxPriorityFeePerGas is called', () => {
const { result } = renderUseMaxPriorityFeePerGasInputHook();
act(() => {
result.current.setMaxPriorityFeePerGas(100);
});
expect(result.current.maxPriorityFeePerGas).toBe(100);
});
});

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import { GAS_ESTIMATE_TYPES } from '../../../shared/constants/gas';
export function getGasFeeEstimate(
field,
gasFeeEstimates,
gasEstimateType,
estimateToUse,
fallback = '0',
) {
if (gasEstimateType === GAS_ESTIMATE_TYPES.FEE_MARKET) {
return gasFeeEstimates?.[estimateToUse]?.[field] ?? String(fallback);
}
return String(fallback);
}
export const feeParamsAreCustom = (transaction) =>
!transaction?.userFeeLevel || transaction?.userFeeLevel === 'custom';

2
ui/pages/swaps/view-quote/view-quote.js
View File

@ -10,7 +10,7 @@ import { useEthFiatAmount } from '../../../hooks/useEthFiatAmount';
import { useEqualityCheck } from '../../../hooks/useEqualityCheck';
import { useNewMetricEvent } from '../../../hooks/useMetricEvent';
import { usePrevious } from '../../../hooks/usePrevious';
import { useGasFeeInputs } from '../../../hooks/useGasFeeInputs';
import { useGasFeeInputs } from '../../../hooks/gasFeeInput/useGasFeeInputs';
import { MetaMetricsContext } from '../../../contexts/metametrics.new';
import FeeCard from '../fee-card';
import EditGasPopover from '../../../components/app/edit-gas-popover/edit-gas-popover.component';

2
ui/pages/swaps/view-quote/view-quote.test.js
View File

@ -14,7 +14,7 @@ jest.mock('../../../components/ui/info-tooltip/info-tooltip-icon', () => () =>
'<InfoTooltipIcon />',
);
jest.mock('../../../hooks/useGasFeeInputs', () => {
jest.mock('../../../hooks/gasFeeInput/useGasFeeInputs', () => {
return {
useGasFeeInputs: () => {
return {