uniswap-interface-uncensored/cypress/support/ethereum.ts
Zach Pomerantz 48f8c6a141
test: update cypress (#3908)
* test: update cypress

* chore: comment on infura origin

* test: split build and serve

* chore: rm setupNodeEvents
2022-06-13 17:43:58 -04:00

94 lines
2.9 KiB
TypeScript

/**
* Updates cy.visit() to include an injected window.ethereum provider.
*/
import { Eip1193Bridge } from '@ethersproject/experimental/lib/eip1193-bridge'
import { JsonRpcProvider } from '@ethersproject/providers'
import { Wallet } from '@ethersproject/wallet'
import assert = require('assert')
// todo: figure out how env vars actually work in CI
// const TEST_PRIVATE_KEY = Cypress.env('INTEGRATION_TEST_PRIVATE_KEY')
const TEST_PRIVATE_KEY = '0xe580410d7c37d26c6ad1a837bbae46bc27f9066a466fb3a66e770523b4666d19'
// address of the above key
export const TEST_ADDRESS_NEVER_USE = new Wallet(TEST_PRIVATE_KEY).address
export const TEST_ADDRESS_NEVER_USE_SHORTENED = `${TEST_ADDRESS_NEVER_USE.substr(
0,
6
)}...${TEST_ADDRESS_NEVER_USE.substr(-4, 4)}`
const provider = new JsonRpcProvider('https://rinkeby.infura.io/v3/4bf032f2d38a4ed6bb975b80d6340847', 4)
const signer = new Wallet(TEST_PRIVATE_KEY, provider)
const injected = new (class extends Eip1193Bridge {
chainId = 4
async sendAsync(...args: any[]) {
console.debug('sendAsync called', ...args)
return this.send(...args)
}
async send(...args: any[]) {
console.debug('send called', ...args)
const isCallbackForm = typeof args[0] === 'object' && typeof args[1] === 'function'
let callback
let method
let params
if (isCallbackForm) {
callback = args[1]
method = args[0].method
params = args[0].params
} else {
method = args[0]
params = args[1]
}
if (method === 'eth_requestAccounts' || method === 'eth_accounts') {
if (isCallbackForm) {
callback({ result: [TEST_ADDRESS_NEVER_USE] })
} else {
return Promise.resolve([TEST_ADDRESS_NEVER_USE])
}
}
if (method === 'eth_chainId') {
if (isCallbackForm) {
callback(null, { result: '0x4' })
} else {
return Promise.resolve('0x4')
}
}
try {
const result = await super.send(method, params)
console.debug('result received', method, params, result)
if (isCallbackForm) {
callback(null, { result })
} else {
return result
}
} catch (error) {
if (isCallbackForm) {
callback(error, null)
} else {
throw error
}
}
}
})(signer, provider)
// sets up the injected provider to be a mock ethereum provider with the given mnemonic/index
// eslint-disable-next-line no-undef
Cypress.Commands.overwrite(
'visit',
(original, url: string | Partial<Cypress.VisitOptions>, options?: Partial<Cypress.VisitOptions>) => {
assert(typeof url === 'string')
return original({
...options,
url: (url.startsWith('/') && url.length > 2 && !url.startsWith('/#') ? `/#${url}` : url) + '?chain=rinkeby',
onBeforeLoad(win: Cypress.AUTWindow & { ethereum?: Eip1193Bridge }) {
options?.onBeforeLoad?.(win)
win.localStorage.clear()
win.ethereum = injected
},
})
}
)