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Add support for swaps via a direct contract for wrapping and unwrapping (#11845)

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* Update contract address validations in swaps for different networks

* Add support for direct contract swaps for wrapping and unwrapping

* Add WETH_RINKEBY_CONTRACT_ADDRESS
This commit is contained in:
Daniel 2021-09-08 20:08:55 +02:00 committed by GitHub
parent a35f22fcdf
commit 6f0d6b1693
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GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 262 additions and 177 deletions
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3
app/_locales/en/messages.json
View File

@ -2131,6 +2131,9 @@
"swapDecentralizedExchange": {
"message": "Decentralized exchange"
},
"swapDirectContract": {
"message": "Direct contract"
},
"swapEditLimit": {
"message": "Edit limit"
},

39
shared/constants/swaps.js
View File

@ -75,8 +75,14 @@ const BSC_CONTRACT_ADDRESS = '0x1a1ec25dc08e98e5e93f1104b5e5cdd298707d31';
// It's the same as we use for BSC.
const POLYGON_CONTRACT_ADDRESS = '0x1a1ec25dc08e98e5e93f1104b5e5cdd298707d31';
export const ETH_WETH_CONTRACT_ADDRESS =
export const WETH_CONTRACT_ADDRESS =
'0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2';
export const WETH_RINKEBY_CONTRACT_ADDRESS =
'0xc778417e063141139fce010982780140aa0cd5ab';
export const WBNB_CONTRACT_ADDRESS =
'0xbb4cdb9cbd36b01bd1cbaebf2de08d9173bc095c';
export const WMATIC_CONTRACT_ADDRESS =
'0x0d500b1d8e8ef31e21c99d1db9a6444d3adf1270';
const METASWAP_ETH_API_HOST = 'https://api.metaswap.codefi.network';
@ -121,6 +127,37 @@ export const SWAPS_CHAINID_CONTRACT_ADDRESS_MAP = {
[RINKEBY_CHAIN_ID]: TESTNET_CONTRACT_ADDRESS,
};
export const SWAPS_WRAPPED_TOKENS_ADDRESSES = {
[MAINNET_CHAIN_ID]: WETH_CONTRACT_ADDRESS,
[SWAPS_TESTNET_CHAIN_ID]: WETH_CONTRACT_ADDRESS,
[BSC_CHAIN_ID]: WBNB_CONTRACT_ADDRESS,
[POLYGON_CHAIN_ID]: WMATIC_CONTRACT_ADDRESS,
[RINKEBY_CHAIN_ID]: WETH_RINKEBY_CONTRACT_ADDRESS,
};
export const ALLOWED_CONTRACT_ADDRESSES = {
[MAINNET_CHAIN_ID]: [
SWAPS_CHAINID_CONTRACT_ADDRESS_MAP[MAINNET_CHAIN_ID],
SWAPS_WRAPPED_TOKENS_ADDRESSES[MAINNET_CHAIN_ID],
],
[SWAPS_TESTNET_CHAIN_ID]: [
SWAPS_CHAINID_CONTRACT_ADDRESS_MAP[SWAPS_TESTNET_CHAIN_ID],
SWAPS_WRAPPED_TOKENS_ADDRESSES[SWAPS_TESTNET_CHAIN_ID],
],
[RINKEBY_CHAIN_ID]: [
SWAPS_CHAINID_CONTRACT_ADDRESS_MAP[RINKEBY_CHAIN_ID],
SWAPS_WRAPPED_TOKENS_ADDRESSES[RINKEBY_CHAIN_ID],
],
[BSC_CHAIN_ID]: [
SWAPS_CHAINID_CONTRACT_ADDRESS_MAP[BSC_CHAIN_ID],
SWAPS_WRAPPED_TOKENS_ADDRESSES[BSC_CHAIN_ID],
],
[POLYGON_CHAIN_ID]: [
SWAPS_CHAINID_CONTRACT_ADDRESS_MAP[POLYGON_CHAIN_ID],
SWAPS_WRAPPED_TOKENS_ADDRESSES[POLYGON_CHAIN_ID],
],
};
export const SWAPS_CHAINID_DEFAULT_TOKEN_MAP = {
[MAINNET_CHAIN_ID]: ETH_SWAPS_TOKEN_OBJECT,
[SWAPS_TESTNET_CHAIN_ID]: TEST_ETH_SWAPS_TOKEN_OBJECT,

2
ui/ducks/swaps/swaps.js
View File

@ -779,7 +779,7 @@ export const signAndSendTransactions = (history, metaMetricsEvent) => {
sensitiveProperties: swapMetaData,
});
if (!isContractAddressValid(usedTradeTxParams.to, swapMetaData, chainId)) {
if (!isContractAddressValid(usedTradeTxParams.to, chainId)) {
captureMessage('Invalid contract address', {
extra: {
token_from: swapMetaData.token_from,

32
ui/pages/swaps/build-quote/build-quote.js
View File

@ -59,7 +59,11 @@ import {
} from '../../../../shared/constants/swaps';
import { resetSwapsPostFetchState, removeToken } from '../../../store/actions';
import { fetchTokenPrice, fetchTokenBalance } from '../swaps.util';
import {
fetchTokenPrice,
fetchTokenBalance,
shouldEnableDirectWrapping,
} from '../swaps.util';
import SwapsFooter from '../swaps-footer';
const fuseSearchKeys = [
@ -375,6 +379,12 @@ export default function BuildQuote({
fromTokenSymbol || SWAPS_CHAINID_DEFAULT_TOKEN_MAP[chainId]?.symbol || '',
]);
const isDirectWrappingEnabled = shouldEnableDirectWrapping(
chainId,
fromTokenAddress,
selectedToToken.address,
);
return (
<div className="build-quote">
<div className="build-quote__content">
@ -552,15 +562,17 @@ export default function BuildQuote({
)}
</div>
))}
<div className="build-quote__slippage-buttons-container">
<SlippageButtons
onSelect={(newSlippage) => {
setMaxSlippage(newSlippage);
}}
maxAllowedSlippage={MAX_ALLOWED_SLIPPAGE}
currentSlippage={maxSlippage}
/>
</div>
{!isDirectWrappingEnabled && (
<div className="build-quote__slippage-buttons-container">
<SlippageButtons
onSelect={(newSlippage) => {
setMaxSlippage(newSlippage);
}}
maxAllowedSlippage={MAX_ALLOWED_SLIPPAGE}
currentSlippage={maxSlippage}
/>
</div>
)}
</div>
<SwapsFooter
onSubmit={() => {

22
ui/pages/swaps/fee-card/fee-card.js
View File

@ -82,17 +82,19 @@ export default function FeeCard({
{bestQuoteText && (
<p className="fee-card__savings-text">{bestQuoteText}</p>
)}
<div
className="fee-card__quote-link-container"
onClick={onQuotesClick}
>
<p className="fee-card__quote-link-text">
{t('swapNQuotes', [numberOfQuotes])}
</p>
<div className="fee-card__caret-right">
<i className="fa fa-angle-up" />
{numberOfQuotes > 1 && (
<div
className="fee-card__quote-link-container"
onClick={onQuotesClick}
>
<p className="fee-card__quote-link-text">
{t('swapNQuotes', [numberOfQuotes])}
</p>
<div className="fee-card__caret-right">
<i className="fa fa-angle-up" />
</div>
</div>
</div>
)}
</div>
</div>
<div className="fee-card__main">

47
ui/pages/swaps/swaps.util.js
View File

@ -4,8 +4,8 @@ import abi from 'human-standard-token-abi';
import {
SWAPS_CHAINID_DEFAULT_TOKEN_MAP,
METASWAP_CHAINID_API_HOST_MAP,
SWAPS_CHAINID_CONTRACT_ADDRESS_MAP,
ETH_WETH_CONTRACT_ADDRESS,
ALLOWED_CONTRACT_ADDRESSES,
SWAPS_WRAPPED_TOKENS_ADDRESSES,
ETHEREUM,
POLYGON,
BSC,
@ -21,8 +21,6 @@ import {
isSwapsDefaultTokenSymbol,
} from '../../../shared/modules/swaps.utils';
import {
ETH_SYMBOL,
WETH_SYMBOL,
MAINNET_CHAIN_ID,
BSC_CHAIN_ID,
POLYGON_CHAIN_ID,
@ -267,6 +265,19 @@ function validateData(validators, object, urlUsed) {
});
}
export const shouldEnableDirectWrapping = (
chainId,
sourceToken,
destinationToken,
) => {
const wrappedToken = SWAPS_WRAPPED_TOKENS_ADDRESSES[chainId];
const nativeToken = SWAPS_CHAINID_DEFAULT_TOKEN_MAP[chainId]?.address;
return (
(sourceToken === wrappedToken && destinationToken === nativeToken) ||
(sourceToken === nativeToken && destinationToken === wrappedToken)
);
};
export async function fetchTradesInfo(
{
slippage,
@ -291,6 +302,9 @@ export async function fetchTradesInfo(
if (exchangeList) {
urlParams.exchangeList = exchangeList;
}
if (shouldEnableDirectWrapping(chainId, sourceToken, destinationToken)) {
urlParams.enableDirectWrapping = true;
}
const queryString = new URLSearchParams(urlParams).toString();
const tradeURL = `${getBaseApi(
@ -628,6 +642,8 @@ export function quotesToRenderableData(
renderedSlippage = 0;
} else if (aggType === 'DEX') {
liquiditySourceKey = 'swapDecentralizedExchange';
} else if (aggType === 'CONTRACT') {
liquiditySourceKey = 'swapDirectContract';
} else {
liquiditySourceKey = 'swapUnknown';
}
@ -769,29 +785,16 @@ export function formatSwapsValueForDisplay(destinationAmount) {
*/
export const isContractAddressValid = (
contractAddress,
swapMetaData,
chainId = MAINNET_CHAIN_ID,
) => {
const contractAddressForChainId = SWAPS_CHAINID_CONTRACT_ADDRESS_MAP[chainId];
if (!contractAddress || !contractAddressForChainId) {
if (!contractAddress || !ALLOWED_CONTRACT_ADDRESSES[chainId]) {
return false;
}
if (
(swapMetaData.token_from === ETH_SYMBOL &&
swapMetaData.token_to === WETH_SYMBOL) ||
(swapMetaData.token_from === WETH_SYMBOL &&
swapMetaData.token_to === ETH_SYMBOL)
) {
return ALLOWED_CONTRACT_ADDRESSES[chainId].some(
// Sometimes we get a contract address with a few upper-case chars and since addresses are
// case-insensitive, we compare uppercase versions for validity.
return (
contractAddress.toUpperCase() ===
ETH_WETH_CONTRACT_ADDRESS.toUpperCase() ||
contractAddressForChainId.toUpperCase() === contractAddress.toUpperCase()
);
}
return (
contractAddressForChainId.toUpperCase() === contractAddress.toUpperCase()
// case-insensitive, we compare lowercase versions for validity.
(allowedContractAddress) =>
contractAddress.toLowerCase() === allowedContractAddress.toLowerCase(),
);
};

294
ui/pages/swaps/swaps.util.test.js
View File

@ -1,8 +1,6 @@
import nock from 'nock';
import { MOCKS } from '../../../test/jest';
import {
ETH_SYMBOL,
WETH_SYMBOL,
MAINNET_CHAIN_ID,
BSC_CHAIN_ID,
POLYGON_CHAIN_ID,
@ -12,7 +10,10 @@ import {
} from '../../../shared/constants/network';
import {
SWAPS_CHAINID_CONTRACT_ADDRESS_MAP,
ETH_WETH_CONTRACT_ADDRESS,
SWAPS_CHAINID_DEFAULT_TOKEN_MAP,
WETH_CONTRACT_ADDRESS,
WBNB_CONTRACT_ADDRESS,
WMATIC_CONTRACT_ADDRESS,
ETHEREUM,
POLYGON,
BSC,
@ -34,6 +35,7 @@ import {
getNetworkNameByChainId,
getSwapsLivenessForNetwork,
countDecimals,
shouldEnableDirectWrapping,
} from './swaps.util';
jest.mock('../../helpers/utils/storage-helpers.js', () => ({
@ -188,197 +190,113 @@ describe('Swaps Util', () => {
});
describe('isContractAddressValid', () => {
let swapMetaData;
let usedTradeTxParams;
beforeEach(() => {
swapMetaData = {
available_quotes: undefined,
average_savings: undefined,
best_quote_source: 'paraswap',
custom_slippage: true,
estimated_gas: '134629',
fee_savings: undefined,
gas_fees: '47.411896',
median_metamask_fee: undefined,
other_quote_selected: false,
other_quote_selected_source: '',
performance_savings: undefined,
slippage: 5,
suggested_gas_price: '164',
token_from: ETH_SYMBOL,
token_from_amount: '1',
token_to: WETH_SYMBOL,
token_to_amount: '1.0000000',
used_gas_price: '164',
};
usedTradeTxParams = {
data: 'testData',
from: '0xe53a5bc256898bfa5673b20aceeb2b2152075d17',
gas: '2427c',
gasPrice: '27592f5a00',
to: ETH_WETH_CONTRACT_ADDRESS,
to: WETH_CONTRACT_ADDRESS,
value: '0xde0b6b3a7640000',
};
});
it('returns true if "token_from" is ETH, "token_to" is WETH and "to" is ETH_WETH contract address', () => {
it('returns true if "to" is WETH contract address', () => {
expect(
isContractAddressValid(
usedTradeTxParams.to,
swapMetaData,
MAINNET_CHAIN_ID,
),
isContractAddressValid(usedTradeTxParams.to, MAINNET_CHAIN_ID),
).toBe(true);
});
it('returns true if "token_from" is WETH, "token_to" is ETH and "to" is ETH_WETH contract address', () => {
swapMetaData.token_from = WETH_SYMBOL;
swapMetaData.token_to = ETH_SYMBOL;
expect(
isContractAddressValid(
usedTradeTxParams.to,
swapMetaData,
MAINNET_CHAIN_ID,
),
).toBe(true);
});
it('returns true if "token_from" is ETH, "token_to" is WETH and "to" is ETH_WETH contract address with some uppercase chars', () => {
it('returns true if "to" is WETH contract address with some uppercase chars', () => {
usedTradeTxParams.to = '0xc02AAA39B223fe8d0a0e5c4f27ead9083c756cc2';
expect(
isContractAddressValid(
usedTradeTxParams.to,
swapMetaData,
MAINNET_CHAIN_ID,
),
isContractAddressValid(usedTradeTxParams.to, MAINNET_CHAIN_ID),
).toBe(true);
});
it('returns true if "token_from" is ETH, "token_to" is WETH and "to" is mainnet contract address', () => {
it('returns true if "to" is ETH mainnet contract address on ETH mainnet', () => {
usedTradeTxParams.to =
SWAPS_CHAINID_CONTRACT_ADDRESS_MAP[MAINNET_CHAIN_ID];
expect(
isContractAddressValid(
usedTradeTxParams.to,
swapMetaData,
MAINNET_CHAIN_ID,
),
isContractAddressValid(usedTradeTxParams.to, MAINNET_CHAIN_ID),
).toBe(true);
});
it('returns true if "token_from" is WETH, "token_to" is ETH and "to" is mainnet contract address', () => {
swapMetaData.token_from = WETH_SYMBOL;
swapMetaData.token_to = ETH_SYMBOL;
usedTradeTxParams.to =
SWAPS_CHAINID_CONTRACT_ADDRESS_MAP[MAINNET_CHAIN_ID];
it('returns true if "to" is WBNB contract address on BSC mainnet', () => {
usedTradeTxParams.to = WBNB_CONTRACT_ADDRESS;
expect(isContractAddressValid(usedTradeTxParams.to, BSC_CHAIN_ID)).toBe(
true,
);
});
it('returns true if "to" is WMATIC contract address on Polygon mainnet', () => {
usedTradeTxParams.to = WMATIC_CONTRACT_ADDRESS;
expect(
isContractAddressValid(
usedTradeTxParams.to,
swapMetaData,
MAINNET_CHAIN_ID,
),
isContractAddressValid(usedTradeTxParams.to, POLYGON_CHAIN_ID),
).toBe(true);
});
it('returns false if "token_from" is ETH, "token_to" is WETH and "to" is BSC contract address', () => {
it('returns false if "to" is BSC contract address on ETH mainnet', () => {
usedTradeTxParams.to = SWAPS_CHAINID_CONTRACT_ADDRESS_MAP[BSC_CHAIN_ID];
expect(
isContractAddressValid(
usedTradeTxParams.to,
swapMetaData,
MAINNET_CHAIN_ID,
),
).toBe(false);
});
it('returns false if "token_from" is WETH, "token_to" is ETH and "to" is BSC contract address', () => {
swapMetaData.token_from = WETH_SYMBOL;
swapMetaData.token_to = ETH_SYMBOL;
usedTradeTxParams.to = SWAPS_CHAINID_CONTRACT_ADDRESS_MAP[BSC_CHAIN_ID];
expect(
isContractAddressValid(
usedTradeTxParams.to,
swapMetaData,
MAINNET_CHAIN_ID,
),
isContractAddressValid(usedTradeTxParams.to, MAINNET_CHAIN_ID),
).toBe(false);
});
it('returns false if contractAddress is null', () => {
expect(
isContractAddressValid(null, swapMetaData, LOCALHOST_CHAIN_ID),
).toBe(false);
expect(isContractAddressValid(null, LOCALHOST_CHAIN_ID)).toBe(false);
});
it('returns false if chainId is incorrect', () => {
expect(
isContractAddressValid(
usedTradeTxParams.to,
swapMetaData,
'incorrectChainId',
),
isContractAddressValid(usedTradeTxParams.to, 'incorrectChainId'),
).toBe(false);
});
it('returns true if "token_from" is BAT and "to" is mainnet contract address', () => {
swapMetaData.token_from = 'BAT';
usedTradeTxParams.to =
SWAPS_CHAINID_CONTRACT_ADDRESS_MAP[MAINNET_CHAIN_ID];
expect(
isContractAddressValid(
usedTradeTxParams.to,
swapMetaData,
MAINNET_CHAIN_ID,
),
).toBe(true);
});
it('returns true if "token_to" is BAT and "to" is BSC contract address', () => {
swapMetaData.token_to = 'BAT';
it('returns true if "to" is BSC contract address on BSC network', () => {
usedTradeTxParams.to = SWAPS_CHAINID_CONTRACT_ADDRESS_MAP[BSC_CHAIN_ID];
expect(isContractAddressValid(usedTradeTxParams.to, BSC_CHAIN_ID)).toBe(
true,
);
});
it('returns true if "to" is Polygon contract address on Polygon network', () => {
usedTradeTxParams.to =
SWAPS_CHAINID_CONTRACT_ADDRESS_MAP[POLYGON_CHAIN_ID];
expect(
isContractAddressValid(
usedTradeTxParams.to,
swapMetaData,
BSC_CHAIN_ID,
),
isContractAddressValid(usedTradeTxParams.to, POLYGON_CHAIN_ID),
).toBe(true);
});
it('returns true if "token_to" is BAT and "to" is testnet contract address', () => {
swapMetaData.token_to = 'BAT';
it('returns true if "to" is Rinkeby contract address on Rinkeby network', () => {
usedTradeTxParams.to =
SWAPS_CHAINID_CONTRACT_ADDRESS_MAP[RINKEBY_CHAIN_ID];
expect(
isContractAddressValid(usedTradeTxParams.to, RINKEBY_CHAIN_ID),
).toBe(true);
});
it('returns true if "to" is testnet contract address', () => {
usedTradeTxParams.to =
SWAPS_CHAINID_CONTRACT_ADDRESS_MAP[LOCALHOST_CHAIN_ID];
expect(
isContractAddressValid(
usedTradeTxParams.to,
swapMetaData,
LOCALHOST_CHAIN_ID,
),
isContractAddressValid(usedTradeTxParams.to, LOCALHOST_CHAIN_ID),
).toBe(true);
});
it('returns true if "token_to" is BAT and "to" is testnet contract address with some uppercase chars', () => {
swapMetaData.token_to = 'BAT';
it('returns true if "to" is testnet contract address with some uppercase chars', () => {
usedTradeTxParams.to = '0x881D40237659C251811CEC9c364ef91dC08D300C';
expect(
isContractAddressValid(
usedTradeTxParams.to,
swapMetaData,
LOCALHOST_CHAIN_ID,
),
isContractAddressValid(usedTradeTxParams.to, LOCALHOST_CHAIN_ID),
).toBe(true);
});
it('returns false if "token_to" is BAT and "to" has mismatch with current chainId', () => {
swapMetaData.token_to = 'BAT';
it('returns false if "to" has mismatch with current chainId', () => {
usedTradeTxParams.to = SWAPS_CHAINID_CONTRACT_ADDRESS_MAP[BSC_CHAIN_ID];
expect(
isContractAddressValid(
usedTradeTxParams.to,
swapMetaData,
LOCALHOST_CHAIN_ID,
),
isContractAddressValid(usedTradeTxParams.to, LOCALHOST_CHAIN_ID),
).toBe(false);
});
});
@ -492,4 +410,114 @@ describe('Swaps Util', () => {
expect(countDecimals(1.123456789)).toBe(9);
});
});
describe('shouldEnableDirectWrapping', () => {
const randomTokenAddress = '0x881d40237659c251811cec9c364ef91234567890';
it('returns true if swapping from ETH to WETH', () => {
expect(
shouldEnableDirectWrapping(
MAINNET_CHAIN_ID,
SWAPS_CHAINID_DEFAULT_TOKEN_MAP[MAINNET_CHAIN_ID]?.address,
WETH_CONTRACT_ADDRESS,
),
).toBe(true);
});
it('returns true if swapping from WETH to ETH', () => {
expect(
shouldEnableDirectWrapping(
MAINNET_CHAIN_ID,
WETH_CONTRACT_ADDRESS,
SWAPS_CHAINID_DEFAULT_TOKEN_MAP[MAINNET_CHAIN_ID]?.address,
),
).toBe(true);
});
it('returns false if swapping from ETH to a non-WETH token', () => {
expect(
shouldEnableDirectWrapping(
MAINNET_CHAIN_ID,
SWAPS_CHAINID_DEFAULT_TOKEN_MAP[MAINNET_CHAIN_ID]?.address,
randomTokenAddress,
),
).toBe(false);
});
it('returns true if swapping from BNB to WBNB', () => {
expect(
shouldEnableDirectWrapping(
BSC_CHAIN_ID,
SWAPS_CHAINID_DEFAULT_TOKEN_MAP[BSC_CHAIN_ID]?.address,
WBNB_CONTRACT_ADDRESS,
),
).toBe(true);
});
it('returns true if swapping from WBNB to BNB', () => {
expect(
shouldEnableDirectWrapping(
BSC_CHAIN_ID,
WBNB_CONTRACT_ADDRESS,
SWAPS_CHAINID_DEFAULT_TOKEN_MAP[BSC_CHAIN_ID]?.address,
),
).toBe(true);
});
it('returns false if swapping from BNB to a non-WBNB token', () => {
expect(
shouldEnableDirectWrapping(
BSC_CHAIN_ID,
SWAPS_CHAINID_DEFAULT_TOKEN_MAP[BSC_CHAIN_ID]?.address,
randomTokenAddress,
),
).toBe(false);
});
it('returns true if swapping from MATIC to WMATIC', () => {
expect(
shouldEnableDirectWrapping(
POLYGON_CHAIN_ID,
SWAPS_CHAINID_DEFAULT_TOKEN_MAP[POLYGON_CHAIN_ID]?.address,
WMATIC_CONTRACT_ADDRESS,
),
).toBe(true);
});
it('returns true if swapping from WMATIC to MATIC', () => {
expect(
shouldEnableDirectWrapping(
POLYGON_CHAIN_ID,
WMATIC_CONTRACT_ADDRESS,
SWAPS_CHAINID_DEFAULT_TOKEN_MAP[POLYGON_CHAIN_ID]?.address,
),
).toBe(true);
});
it('returns false if swapping from MATIC to a non-WMATIC token', () => {
expect(
shouldEnableDirectWrapping(
POLYGON_CHAIN_ID,
SWAPS_CHAINID_DEFAULT_TOKEN_MAP[POLYGON_CHAIN_ID]?.address,
randomTokenAddress,
),
).toBe(false);
});
it('returns false if a source token is undefined', () => {
expect(
shouldEnableDirectWrapping(
MAINNET_CHAIN_ID,
undefined,
WETH_CONTRACT_ADDRESS,
),
).toBe(false);
});
it('returns false if a destination token is undefined', () => {
expect(
shouldEnableDirectWrapping(MAINNET_CHAIN_ID, WETH_CONTRACT_ADDRESS),
).toBe(false);
});
});
});