// @ts-ignore import TokenListJSON from '@uniswap/default-token-list' import { CyHttpMessages } from 'cypress/types/net-stubbing' beforeEach(() => { // Many API calls enforce that requests come from our app, so we must mock Origin and Referer. cy.intercept('*', (req) => { req.headers['referer'] = 'https://app.uniswap.org' req.headers['origin'] = 'https://app.uniswap.org' }) // Network RPCs are disabled for cypress tests - calls should be routed through the connected wallet instead. cy.intercept(/infura.io/, { statusCode: 404 }) cy.intercept(/quiknode.pro/, { statusCode: 404 }) // Log requests to hardhat. cy.intercept(/:8545/, logJsonRpc) // Mock analytics responses to avoid analytics in tests. cy.intercept('https://api.uniswap.org/v1/amplitude-proxy', (req) => { const requestBody = JSON.stringify(req.body) const byteSize = new Blob([requestBody]).size req.alias = 'amplitude' req.reply( JSON.stringify({ code: 200, server_upload_time: Date.now(), payload_size_bytes: byteSize, events_ingested: req.body.events.length, }), { 'origin-country': 'US', } ) }).intercept('https://*.sentry.io', { statusCode: 200 }) // Mock our own token list responses to avoid the latency of IPFS. cy.intercept('https://gateway.ipfs.io/ipns/tokens.uniswap.org', TokenListJSON) .intercept('https://gateway.ipfs.io/ipns/extendedtokens.uniswap.org', { statusCode: 404 }) .intercept('https://gateway.ipfs.io/ipns/unsupportedtokens.uniswap.org', { statusCode: 404 }) // Reset hardhat between tests to ensure isolation. // This resets the fork, as well as options like automine. cy.hardhat().then((hardhat) => hardhat.reset()) }) function logJsonRpc(req: CyHttpMessages.IncomingHttpRequest) { req.alias = req.body.method const log = Cypress.log({ autoEnd: false, name: req.body.method, message: req.body.params?.map((param: any) => typeof param === 'object' ? '{...}' : param?.toString().substring(0, 10) ), }) req.on('after:response', (res) => { if (res.statusCode === 200) { log.end() } else { log.error(new Error(`${res.statusCode}: ${res.statusMessage}`)) } }) }