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bridge.util.test.ts
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import { zeroAddress } from 'ethereumjs-util';
import fetchWithCache from '../../lib/fetch-with-cache';
import { CHAIN_IDS } from '../../constants/network';
import mockBridgeQuotesErc20Erc20 from '../../../test/data/bridge/mock-quotes-erc20-erc20.json';
import mockBridgeQuotesNativeErc20 from '../../../test/data/bridge/mock-quotes-native-erc20.json';
import {
fetchBridgeFeatureFlags,
fetchBridgeQuotes,
fetchBridgeTokens,
} from './bridge.util';
jest.mock('../../../shared/lib/fetch-with-cache');
describe('Bridge utils', () => {
beforeEach(() => {
jest.clearAllMocks();
});
describe('fetchBridgeFeatureFlags', () => {
it('should fetch bridge feature flags successfully', async () => {
const mockResponse = {
'extension-config': {
refreshRate: 3,
maxRefreshCount: 1,
support: true,
chains: {
'1': {
isActiveSrc: true,
isActiveDest: true,
},
'10': {
isActiveSrc: true,
isActiveDest: false,
},
'59144': {
isActiveSrc: true,
isActiveDest: true,
},
'120': {
isActiveSrc: true,
isActiveDest: false,
},
'137': {
isActiveSrc: false,
isActiveDest: true,
},
'11111': {
isActiveSrc: false,
isActiveDest: true,
},
'1151111081099710': {
isActiveSrc: true,
isActiveDest: true,
},
},
},
};
(fetchWithCache as jest.Mock).mockResolvedValue(mockResponse);
const result = await fetchBridgeFeatureFlags();
expect(fetchWithCache).toHaveBeenCalledWith({
url: 'https://bridge.api.cx.metamask.io/getAllFeatureFlags',
fetchOptions: {
method: 'GET',
headers: { 'X-Client-Id': 'extension' },
},
cacheOptions: { cacheRefreshTime: 600000 },
functionName: 'fetchBridgeFeatureFlags',
});
expect(result).toStrictEqual({
extensionConfig: {
maxRefreshCount: 1,
refreshRate: 3,
support: true,
chains: {
[CHAIN_IDS.MAINNET]: {
isActiveSrc: true,
isActiveDest: true,
},
[CHAIN_IDS.OPTIMISM]: {
isActiveSrc: true,
isActiveDest: false,
},
[CHAIN_IDS.LINEA_MAINNET]: {
isActiveSrc: true,
isActiveDest: true,
},
'0x78': {
isActiveSrc: true,
isActiveDest: false,
},
[CHAIN_IDS.POLYGON]: {
isActiveSrc: false,
isActiveDest: true,
},
'0x2b67': {
isActiveSrc: false,
isActiveDest: true,
},
'solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp': {
isActiveDest: true,
isActiveSrc: true,
},
},
},
});
});
it('should use fallback bridge feature flags if response is unexpected', async () => {
const mockResponse = {
'extension-config': {
refreshRate: 3,
maxRefreshCount: 1,
support: 25,
chains: {
a: {
isActiveSrc: 1,
isActiveDest: 'test',
},
'2': {
isActiveSrc: 'test',
isActiveDest: 2,
},
},
},
};
(fetchWithCache as jest.Mock).mockResolvedValue(mockResponse);
const result = await fetchBridgeFeatureFlags();
expect(fetchWithCache).toHaveBeenCalledWith({
url: 'https://bridge.api.cx.metamask.io/getAllFeatureFlags',
fetchOptions: {
method: 'GET',
headers: { 'X-Client-Id': 'extension' },
},
cacheOptions: { cacheRefreshTime: 600000 },
functionName: 'fetchBridgeFeatureFlags',
});
expect(result).toStrictEqual({
extensionConfig: {
maxRefreshCount: 5,
refreshRate: 30000,
support: false,
chains: {},
},
});
});
it('should handle fetch error', async () => {
const mockError = new Error('Failed to fetch');
(fetchWithCache as jest.Mock).mockRejectedValue(mockError);
await expect(fetchBridgeFeatureFlags()).rejects.toThrow(mockError);
});
});
describe('fetchBridgeTokens', () => {
it('should fetch bridge tokens successfully', async () => {
const mockResponse = [
{
address: '0x1f9840a85d5af5bf1d1762f925bdaddc4201f984',
symbol: 'ABC',
decimals: 16,
},
{
address: '0x1f9840a85d5af5bf1d1762f925bdaddc4201f985',
decimals: 16,
},
{
address: '0x1f9840a85d5af5bf1d1762f925bdaddc4201f986',
decimals: 16,
symbol: 'DEF',
aggregators: ['lifi'],
},
{
address: '0x1f9840a85d5af5bf1d1762f925bdaddc4201f987',
symbol: 'DEF',
},
{
address: '0x124',
symbol: 'JKL',
decimals: 16,
},
];
(fetchWithCache as jest.Mock).mockResolvedValue(mockResponse);
const result = await fetchBridgeTokens('0xa');
expect(fetchWithCache).toHaveBeenCalledWith({
url: 'https://bridge.api.cx.metamask.io/getTokens?chainId=10',
fetchOptions: {
method: 'GET',
headers: { 'X-Client-Id': 'extension' },
},
cacheOptions: { cacheRefreshTime: 600000 },
functionName: 'fetchBridgeTokens',
});
expect(result).toStrictEqual({
'0x0000000000000000000000000000000000000000': {
address: '0x0000000000000000000000000000000000000000',
decimals: 18,
iconUrl: './images/eth_logo.svg',
name: 'Ether',
symbol: 'ETH',
},
'0x1f9840a85d5af5bf1d1762f925bdaddc4201f986': {
address: '0x1f9840a85d5af5bf1d1762f925bdaddc4201f986',
decimals: 16,
symbol: 'DEF',
aggregators: ['lifi'],
},
'0x1f9840a85d5af5bf1d1762f925bdaddc4201f984': {
address: '0x1f9840a85d5af5bf1d1762f925bdaddc4201f984',
decimals: 16,
symbol: 'ABC',
},
});
});
it('should handle fetch error', async () => {
const mockError = new Error('Failed to fetch');
(fetchWithCache as jest.Mock).mockRejectedValue(mockError);
await expect(fetchBridgeTokens('0xa')).rejects.toThrow(mockError);
});
});
describe('fetchBridgeQuotes', () => {
it('should fetch bridge quotes successfully, no approvals', async () => {
(fetchWithCache as jest.Mock).mockResolvedValue(
mockBridgeQuotesNativeErc20,
);
const { signal } = new AbortController();
const result = await fetchBridgeQuotes(
{
walletAddress: '0x123',
srcChainId: 1,
destChainId: 10,
srcTokenAddress: zeroAddress(),
destTokenAddress: zeroAddress(),
srcTokenAmount: '20000',
slippage: 0.5,
},
signal,
);
expect(fetchWithCache).toHaveBeenCalledWith({
url: 'https://bridge.api.cx.metamask.io/getQuote?walletAddress=0x123&destWalletAddress=0x123&srcChainId=1&destChainId=10&srcTokenAddress=0x0000000000000000000000000000000000000000&destTokenAddress=0x0000000000000000000000000000000000000000&srcTokenAmount=20000&slippage=0.5&insufficientBal=false&resetApproval=false',
fetchOptions: {
method: 'GET',
headers: { 'X-Client-Id': 'extension' },
signal,
},
cacheOptions: { cacheRefreshTime: 0 },
functionName: 'fetchBridgeQuotes',
});
expect(result).toStrictEqual(mockBridgeQuotesNativeErc20);
});
it('should fetch bridge quotes successfully, with approvals', async () => {
(fetchWithCache as jest.Mock).mockResolvedValue([
...mockBridgeQuotesErc20Erc20,
{ ...mockBridgeQuotesErc20Erc20[0], approval: null },
{ ...mockBridgeQuotesErc20Erc20[0], trade: null },
]);
const { signal } = new AbortController();
const result = await fetchBridgeQuotes(
{
walletAddress: '0x123',
srcChainId: 1,
destChainId: 10,
srcTokenAddress: zeroAddress(),
destTokenAddress: zeroAddress(),
srcTokenAmount: '20000',
slippage: 0.5,
},
signal,
);
expect(fetchWithCache).toHaveBeenCalledWith({
url: 'https://bridge.api.cx.metamask.io/getQuote?walletAddress=0x123&destWalletAddress=0x123&srcChainId=1&destChainId=10&srcTokenAddress=0x0000000000000000000000000000000000000000&destTokenAddress=0x0000000000000000000000000000000000000000&srcTokenAmount=20000&slippage=0.5&insufficientBal=false&resetApproval=false',
fetchOptions: {
method: 'GET',
headers: { 'X-Client-Id': 'extension' },
signal,
},
cacheOptions: { cacheRefreshTime: 0 },
functionName: 'fetchBridgeQuotes',
});
expect(result).toStrictEqual(mockBridgeQuotesErc20Erc20);
});
it('should filter out malformed bridge quotes', async () => {
(fetchWithCache as jest.Mock).mockResolvedValue([
...mockBridgeQuotesErc20Erc20,
...mockBridgeQuotesErc20Erc20.map(
({ quote, ...restOfQuote }) => restOfQuote,
),
{
...mockBridgeQuotesErc20Erc20[0],
quote: {
srcAsset: {
...mockBridgeQuotesErc20Erc20[0].quote.srcAsset,
decimals: undefined,
},
},
},
{
...mockBridgeQuotesErc20Erc20[1],
quote: {
srcAsset: {
...mockBridgeQuotesErc20Erc20[1].quote.destAsset,
address: undefined,
},
},
},
]);
const { signal } = new AbortController();
const result = await fetchBridgeQuotes(
{
walletAddress: '0x123',
srcChainId: 1,
destChainId: 10,
srcTokenAddress: zeroAddress(),
destTokenAddress: zeroAddress(),
srcTokenAmount: '20000',
slippage: 0.5,
},
signal,
);
expect(fetchWithCache).toHaveBeenCalledWith({
url: 'https://bridge.api.cx.metamask.io/getQuote?walletAddress=0x123&destWalletAddress=0x123&srcChainId=1&destChainId=10&srcTokenAddress=0x0000000000000000000000000000000000000000&destTokenAddress=0x0000000000000000000000000000000000000000&srcTokenAmount=20000&slippage=0.5&insufficientBal=false&resetApproval=false',
fetchOptions: {
method: 'GET',
headers: { 'X-Client-Id': 'extension' },
signal,
},
cacheOptions: { cacheRefreshTime: 0 },
functionName: 'fetchBridgeQuotes',
});
expect(result).toStrictEqual(mockBridgeQuotesErc20Erc20);
});
});
});