sdk-monorepo/test/web.test.ts

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import chai from 'chai'
import { TorHttpClient, RegularHttpClient, TorProvider, Relayer } from '@tornado/sdk-web'
// Waffle matchers
import { solidity } from 'ethereum-waffle'
import { ErrorUtils } from '@tornado/sdk-utils'
import { parseUnits } from 'ethers/lib/utils'
import { Web3Provider } from '@ethersproject/providers'
chai.use(solidity)
const expect = chai.expect
describe('web', () => {
const torify = process.env.TORIFY === 'true'
if (!process.env.ETH_MAINNET_TEST_RPC || !process.env.TOR_PORT)
throw ErrorUtils.getError('need a tor port and mainnet rpc endpoint.')
let torProvider: Web3Provider
if (torify) torProvider = new TorProvider(process.env.ETH_MAINNET_TEST_RPC, { port: +process.env.TOR_PORT })
const httpClient = torify ? new TorHttpClient({ port: +process.env.TOR_PORT }) : new RegularHttpClient()
if (torify)
console.log(
'\nSome Tor tips: Support non-profit exit node operators, host your own nodes, avoid spy nodes by configuring torrc.\n'
)
function torErrorThrow(err: Error) {
err.message =
"\n\nThis test most likely failed because you (Tor) didn't open a SOCKS5 tunnel at either 9050 or the Tor port you specified in .env. As such, the provider couldn't send a request. Please start Tor or Tor Browser. 🧅\n\n"
throw err
}
it('Relayer: should be able to initialize a Relayer and fetch properties', async () => {
if (!process.env.TEST_RELAYER_DOMAIN)
throw ErrorUtils.getError('web.test.ts: this test requires a relayer domain name.')
const relayer = new Relayer({
url: 'https://' + process.env.TEST_RELAYER_DOMAIN,
httpClient: httpClient
})
console.log(await relayer.fetchProperties())
}).timeout(0)
it('httpClient: Should be able to send requests over Tor', async function () {
try {
const check = (await httpClient.get('https://check.torproject.org/api/ip')).data
expect(check.IsTor).to.be.true
console.log(
`\n🧅 check.torproject.org/api/ip says...\n\nWe are using Tor: ${check.IsTor ? '✅' : '❌'}`
)
console.log(`Our IP is: ${check.IP}\n`)
} catch (err) {
torErrorThrow(ErrorUtils.ensureError(err))
}
}).timeout(0)
it('TorProvider: Should be able to fetch some basic blockchain data over Tor', async () => {
try {
console.log('\nBlock Number: ' + (await torProvider.getBlockNumber()))
console.log('Gas Price: ' + (await torProvider.getGasPrice()).div(1000000000) + ' gwei')
console.log(
'Zero address ETH burned: ' +
(await torProvider.getBalance('0x0000000000000000000000000000000000000000')).div(parseUnits('1')) +
'\n'
)
} catch (err) {
torErrorThrow(ErrorUtils.ensureError(err))
}
}).timeout(0)
it('DISCONNECTED: Should not be able to request over Tor', async function () {
try {
await torProvider.getBlockNumber()
throw ErrorUtils.getError('should not have succeeded.')
} catch (err) {}
}).timeout(0)
})