From d965fdb11dfba5631c1f98ad3e309876c199999a Mon Sep 17 00:00:00 2001 From: Brandon Millman Date: Tue, 23 Jan 2018 10:10:43 -0800 Subject: Rename to testnet-faucets --- packages/testnet-faucets/Dockerfile | 13 +++ packages/testnet-faucets/README.md | 78 ++++++++++++++++++ packages/testnet-faucets/gulpfile.js | 92 +++++++++++++++++++++ packages/testnet-faucets/package.json | 43 ++++++++++ packages/testnet-faucets/scripts/postpublish.js | 15 ++++ packages/testnet-faucets/src/ts/configs.ts | 12 +++ packages/testnet-faucets/src/ts/error_reporter.ts | 40 ++++++++++ .../testnet-faucets/src/ts/ether_request_queue.ts | 27 +++++++ packages/testnet-faucets/src/ts/global.d.ts | 26 ++++++ packages/testnet-faucets/src/ts/handler.ts | 93 ++++++++++++++++++++++ packages/testnet-faucets/src/ts/id_management.ts | 23 ++++++ packages/testnet-faucets/src/ts/request_queue.ts | 56 +++++++++++++ packages/testnet-faucets/src/ts/server.ts | 28 +++++++ packages/testnet-faucets/src/ts/utils.ts | 7 ++ .../testnet-faucets/src/ts/zrx_request_queue.ts | 45 +++++++++++ packages/testnet-faucets/tsconfig.json | 7 ++ packages/testnet-faucets/tslint.json | 3 + 17 files changed, 608 insertions(+) create mode 100644 packages/testnet-faucets/Dockerfile create mode 100644 packages/testnet-faucets/README.md create mode 100644 packages/testnet-faucets/gulpfile.js create mode 100644 packages/testnet-faucets/package.json create mode 100644 packages/testnet-faucets/scripts/postpublish.js create mode 100644 packages/testnet-faucets/src/ts/configs.ts create mode 100644 packages/testnet-faucets/src/ts/error_reporter.ts create mode 100644 packages/testnet-faucets/src/ts/ether_request_queue.ts create mode 100644 packages/testnet-faucets/src/ts/global.d.ts create mode 100644 packages/testnet-faucets/src/ts/handler.ts create mode 100644 packages/testnet-faucets/src/ts/id_management.ts create mode 100644 packages/testnet-faucets/src/ts/request_queue.ts create mode 100644 packages/testnet-faucets/src/ts/server.ts create mode 100644 packages/testnet-faucets/src/ts/utils.ts create mode 100644 packages/testnet-faucets/src/ts/zrx_request_queue.ts create mode 100644 packages/testnet-faucets/tsconfig.json create mode 100644 packages/testnet-faucets/tslint.json (limited to 'packages/testnet-faucets') diff --git a/packages/testnet-faucets/Dockerfile b/packages/testnet-faucets/Dockerfile new file mode 100644 index 000000000..6d6ddc192 --- /dev/null +++ b/packages/testnet-faucets/Dockerfile @@ -0,0 +1,13 @@ +FROM node + +WORKDIR /src + +COPY package.json . +RUN npm i +RUN npm install forever -g + +COPY . . + +EXPOSE 3000 + +CMD ["forever", "./bin/server.js"] diff --git a/packages/testnet-faucets/README.md b/packages/testnet-faucets/README.md new file mode 100644 index 000000000..504eacedc --- /dev/null +++ b/packages/testnet-faucets/README.md @@ -0,0 +1,78 @@ +## @0xproject/testnet_faucets + +This faucet dispenses 0.1 test ether to one recipient per second and 0.1 test ZRX every 5 seconds. It has a max queue size of 1000. + +## Installation + +This is a private package and therefore is not published to npm. In order to build and run this package locally, see the [Install Dependencies](#Install-Dependencies) section and onwards below. + +## Contributing + +We strongly recommend that the community help us make improvements and determine the future direction of the protocol. To report bugs within this package, please create an issue in this repository. + +Please read our [contribution guidelines](../../CONTRIBUTING.md) before getting started. + +### Install Dependencies + +If you don't have yarn workspaces enabled (Yarn < v1.0) - enable them: + +```bash +yarn config set workspaces-experimental true +``` + +Then install dependencies + +```bash +yarn install +``` + +### Start + +Set the following environment variables: + +```bash +export FAUCET_ENVIRONMENT=development +export DISPENSER_ADDRESS=0x5409ed021d9299bf6814279a6a1411a7e866a631 +export DISPENSER_PRIVATE_KEY=f2f48ee19680706196e2e339e5da3491186e0c4c5030670656b0e0164837257d +export FAUCET_ROLLBAR_ACCESS_KEY={GET_THIS_FROM_ROLLBAR_ACCOUNT_SETTINGS} +export INFURA_API_KEY={GET_THIS_FROM_INFURA} +``` + +Infura API Key can be requested here: https://infura.io/register.html + +Note: The above public/private keys exist when running `testrpc` with the following option `--mnemonic concert load couple harbor equip island argue ramp clarify fence smart topic`. + +```bash +yarn dev +``` + +### Endpoints + +`GET /ether/:recipient` + +Where recipient_address is a hex encoded Ethereum address prefixed with `0x`. + +`GET /zrx/:recipient` + +Where recipient_address is a hex encoded Ethereum address prefixed with `0x`. + +### Docker configs + +``` +docker run -d \ +-p 80:3000 \ +--name testnet-faucets \ +--log-opt max-size=100m \ +--log-opt max-file=20 \ +-e DISPENSER_ADDRESS=$DISPENSER_ADDRESS \ +-e DISPENSER_PRIVATE_KEY=$DISPENSER_PRIVATE_KEY \ +-e FAUCET_ROLLBAR_ACCESS_KEY=$FAUCET_ROLLBAR_ACCESS_KEY \ +-e FAUCET_ENVIRONMENT=production \ +testnet-faucets +``` + +### Lint + +```bash +yarn lint +``` diff --git a/packages/testnet-faucets/gulpfile.js b/packages/testnet-faucets/gulpfile.js new file mode 100644 index 000000000..773faf33a --- /dev/null +++ b/packages/testnet-faucets/gulpfile.js @@ -0,0 +1,92 @@ +const gulp = require('gulp'); +const nodemon = require('nodemon'); +const path = require('path'); +const webpack = require('webpack'); +const fs = require('fs'); +const nodeExternals = require('webpack-node-externals'); + +const config = { + target: 'node', + entry: [path.join(__dirname, '/src/ts/server.ts')], + output: { + path: path.join(__dirname, '/bin'), + filename: 'server.js', + }, + devtool: 'source-map', + resolve: { + modules: [ + path.join(__dirname, '/src/ts'), + 'node_modules', + ], + extensions: ['.ts', '.tsx', '.js', '.jsx', '.json'], + alias: { + ts: path.join(__dirname, '/src/ts'), + contract_artifacts: path.join(__dirname, '/src/contract_artifacts'), + }, + }, + module: { + rules: [ + { + test: /\.js$/, + loader: 'source-map-loader', + }, + { + test: /\.tsx?$/, + loader: 'awesome-typescript-loader', + }, + ], + }, + plugins: [ + new webpack.BannerPlugin({ + banner: 'require("source-map-support").install();', + raw: true, + entryOnly: false, + }), + ], + externals: nodeExternals({ + modulesDir: path.join(__dirname, '../../node_modules') + }), + watchOptions: { + ignored: /bin|node_modules|transpiled/ + }, +}; + +gulp.task('build', function(done) { + webpack(config).run(onBuild(done)); +}); + +gulp.task('watch', function() { + webpack(config).watch(100, function(err, stats) { + onBuild()(err, stats); + nodemon.restart(); + }); +}); + +gulp.task('run', ['watch'], function() { + nodemon({ + execMap: { + js: 'node', + }, + script: path.join(__dirname, 'bin/server'), + ignore: ['*'], + watch: ['foo/'], + ext: 'noop', + }).on('restart', function() { + console.log('Restarted!'); + }); +}); + +function onBuild(done) { + return function(err, stats) { + if(err) { + console.log('Error', err); + } + else { + console.log(stats.toString()); + } + + if(done) { + done(); + } + } +} diff --git a/packages/testnet-faucets/package.json b/packages/testnet-faucets/package.json new file mode 100644 index 000000000..3f5698332 --- /dev/null +++ b/packages/testnet-faucets/package.json @@ -0,0 +1,43 @@ +{ + "private": true, + "name": "@0xproject/testnet_faucets", + "version": "1.0.5", + "description": "A faucet micro-service that dispenses test ERC20 tokens or Ether", + "main": "server.js", + "scripts": { + "build": "node ../../node_modules/gulp/bin/gulp.js build", + "dev": "node ../../node_modules/gulp/bin/gulp.js run", + "start": "node ./bin/server.js", + "lint": "tslint --project . 'src/**/*.ts'", + "clean": "shx rm -rf bin" + }, + "author": "Fabio Berger", + "license": "Apache-2.0", + "dependencies": { + "0x.js": "^0.30.0", + "@0xproject/utils": "^0.2.0", + "body-parser": "^1.17.1", + "ethereumjs-tx": "^1.3.3", + "express": "^4.15.2", + "lodash": "^4.17.4", + "rollbar": "^0.6.5", + "web3": "^0.20.0", + "web3-provider-engine": "^13.0.1" + }, + "devDependencies": { + "@0xproject/tslint-config": "^0.4.2", + "@types/body-parser": "^1.16.1", + "@types/express": "^4.0.35", + "@types/lodash": "^4.14.86", + "awesome-typescript-loader": "^3.1.3", + "gulp": "^3.9.1", + "nodemon": "^1.11.0", + "shx": "^0.2.2", + "source-map-loader": "^0.1.6", + "tslint": "5.8.0", + "typescript": "~2.6.1", + "web3-typescript-typings": "^0.9.4", + "webpack": "^3.1.0", + "webpack-node-externals": "^1.6.0" + } +} diff --git a/packages/testnet-faucets/scripts/postpublish.js b/packages/testnet-faucets/scripts/postpublish.js new file mode 100644 index 000000000..16d67e03f --- /dev/null +++ b/packages/testnet-faucets/scripts/postpublish.js @@ -0,0 +1,15 @@ +const postpublish_utils = require('../../../scripts/postpublish_utils'); +const packageJSON = require('../package.json'); + +const subPackageName = packageJSON.name; + +postpublish_utils + .getLatestTagAndVersionAsync(subPackageName) + .then(function(result) { + const releaseName = postpublish_utils.getReleaseName(subPackageName, result.version); + const assets = []; + return postpublish_utils.publishReleaseNotes(result.tag, releaseName, assets); + }) + .catch(function(err) { + throw err; + }); diff --git a/packages/testnet-faucets/src/ts/configs.ts b/packages/testnet-faucets/src/ts/configs.ts new file mode 100644 index 000000000..2e5a7f64d --- /dev/null +++ b/packages/testnet-faucets/src/ts/configs.ts @@ -0,0 +1,12 @@ +export const configs = { + DISPENSER_ADDRESS: (process.env.DISPENSER_ADDRESS as string).toLowerCase(), + DISPENSER_PRIVATE_KEY: process.env.DISPENSER_PRIVATE_KEY, + ENVIRONMENT: process.env.FAUCET_ENVIRONMENT, + ROLLBAR_ACCESS_KEY: process.env.FAUCET_ROLLBAR_ACCESS_KEY, + RPC_URL: + process.env.FAUCET_ENVIRONMENT === 'development' + ? 'http://127.0.0.1:8545' + : `https://kovan.infura.io/${process.env.INFURA_API_KEY}`, + ZRX_TOKEN_ADDRESS: '0x6ff6c0ff1d68b964901f986d4c9fa3ac68346570', + KOVAN_NETWORK_ID: 42, +}; diff --git a/packages/testnet-faucets/src/ts/error_reporter.ts b/packages/testnet-faucets/src/ts/error_reporter.ts new file mode 100644 index 000000000..6865d3893 --- /dev/null +++ b/packages/testnet-faucets/src/ts/error_reporter.ts @@ -0,0 +1,40 @@ +import * as express from 'express'; +import rollbar = require('rollbar'); + +import { configs } from './configs'; +import { utils } from './utils'; + +export const errorReporter = { + setup() { + rollbar.init(configs.ROLLBAR_ACCESS_KEY, { + environment: configs.ENVIRONMENT, + }); + + rollbar.handleUncaughtExceptions(configs.ROLLBAR_ACCESS_KEY); + + process.on('unhandledRejection', async (err: Error) => { + utils.consoleLog(`Uncaught exception ${err}. Stack: ${err.stack}`); + await this.reportAsync(err); + process.exit(1); + }); + }, + async reportAsync(err: Error, req?: express.Request): Promise { + if (configs.ENVIRONMENT === 'development') { + return; // Do not log development environment errors + } + + return new Promise((resolve, reject) => { + rollbar.handleError(err, req, (rollbarErr: Error) => { + if (rollbarErr) { + utils.consoleLog(`Error reporting to rollbar, ignoring: ${rollbarErr}`); + reject(rollbarErr); + } else { + resolve(); + } + }); + }); + }, + errorHandler() { + return rollbar.errorHandler(configs.ROLLBAR_ACCESS_KEY); + }, +}; diff --git a/packages/testnet-faucets/src/ts/ether_request_queue.ts b/packages/testnet-faucets/src/ts/ether_request_queue.ts new file mode 100644 index 000000000..1c4b19ab9 --- /dev/null +++ b/packages/testnet-faucets/src/ts/ether_request_queue.ts @@ -0,0 +1,27 @@ +import { promisify } from '@0xproject/utils'; +import * as _ from 'lodash'; + +import { configs } from './configs'; +import { errorReporter } from './error_reporter'; +import { RequestQueue } from './request_queue'; +import { utils } from './utils'; + +const DISPENSE_AMOUNT_ETHER = 0.1; + +export class EtherRequestQueue extends RequestQueue { + protected async processNextRequestFireAndForgetAsync(recipientAddress: string) { + utils.consoleLog(`Processing ETH ${recipientAddress}`); + const sendTransactionAsync = promisify(this.web3.eth.sendTransaction); + try { + const txHash = await sendTransactionAsync({ + from: configs.DISPENSER_ADDRESS, + to: recipientAddress, + value: this.web3.toWei(DISPENSE_AMOUNT_ETHER, 'ether'), + }); + utils.consoleLog(`Sent ${DISPENSE_AMOUNT_ETHER} ETH to ${recipientAddress} tx: ${txHash}`); + } catch (err) { + utils.consoleLog(`Unexpected err: ${err} - ${JSON.stringify(err)}`); + await errorReporter.reportAsync(err); + } + } +} diff --git a/packages/testnet-faucets/src/ts/global.d.ts b/packages/testnet-faucets/src/ts/global.d.ts new file mode 100644 index 000000000..97cd35680 --- /dev/null +++ b/packages/testnet-faucets/src/ts/global.d.ts @@ -0,0 +1,26 @@ +declare module 'rollbar'; +declare module 'web3-provider-engine'; +declare module 'web3-provider-engine/subproviders/rpc'; +declare module 'web3-provider-engine/subproviders/nonce-tracker'; +declare module 'web3-provider-engine/subproviders/hooked-wallet'; + +declare module '*.json' { + const json: any; + /* tslint:disable */ + export default json; + /* tslint:enable */ +} + +// Ethereumjs-tx declarations +declare module 'ethereumjs-tx' { + class EthereumTx { + public raw: Buffer[]; + public r: Buffer; + public s: Buffer; + public v: Buffer; + public serialize(): Buffer; + public sign(buffer: Buffer): void; + constructor(txParams: any); + } + export = EthereumTx; +} diff --git a/packages/testnet-faucets/src/ts/handler.ts b/packages/testnet-faucets/src/ts/handler.ts new file mode 100644 index 000000000..4bf776264 --- /dev/null +++ b/packages/testnet-faucets/src/ts/handler.ts @@ -0,0 +1,93 @@ +import * as express from 'express'; +import * as _ from 'lodash'; +import ProviderEngine = require('web3-provider-engine'); +import HookedWalletSubprovider = require('web3-provider-engine/subproviders/hooked-wallet'); +import NonceSubprovider = require('web3-provider-engine/subproviders/nonce-tracker'); +import RpcSubprovider = require('web3-provider-engine/subproviders/rpc'); + +import { configs } from './configs'; +import { EtherRequestQueue } from './ether_request_queue'; +import { idManagement } from './id_management'; +import { utils } from './utils'; +import { ZRXRequestQueue } from './zrx_request_queue'; + +// HACK: web3 leaks XMLHttpRequest into the global scope and causes requests to hang +// because they are using the wrong XHR package. +// Filed issue: https://github.com/ethereum/web3.js/issues/844 +// tslint:disable-next-line:ordered-imports +import * as Web3 from 'web3'; + +export class Handler { + private _etherRequestQueue: EtherRequestQueue; + private _zrxRequestQueue: ZRXRequestQueue; + private _web3: Web3; + constructor() { + // Setup provider engine to talk with RPC node + const providerObj = this._createProviderEngine(configs.RPC_URL); + this._web3 = new Web3(providerObj); + + this._etherRequestQueue = new EtherRequestQueue(this._web3); + this._zrxRequestQueue = new ZRXRequestQueue(this._web3); + } + public dispenseEther(req: express.Request, res: express.Response) { + const recipientAddress = req.params.recipient; + if (_.isUndefined(recipientAddress) || !this._isValidEthereumAddress(recipientAddress)) { + res.status(400).send('INVALID_REQUEST'); + return; + } + const lowerCaseRecipientAddress = recipientAddress.toLowerCase(); + const didAddToQueue = this._etherRequestQueue.add(lowerCaseRecipientAddress); + if (!didAddToQueue) { + res.status(503).send('QUEUE_IS_FULL'); + return; + } + utils.consoleLog(`Added ${lowerCaseRecipientAddress} to the ETH queue`); + res.status(200).end(); + } + public dispenseZRX(req: express.Request, res: express.Response) { + const recipientAddress = req.params.recipient; + if (_.isUndefined(recipientAddress) || !this._isValidEthereumAddress(recipientAddress)) { + res.status(400).send('INVALID_REQUEST'); + return; + } + const lowerCaseRecipientAddress = recipientAddress.toLowerCase(); + const didAddToQueue = this._zrxRequestQueue.add(lowerCaseRecipientAddress); + if (!didAddToQueue) { + res.status(503).send('QUEUE_IS_FULL'); + return; + } + utils.consoleLog(`Added ${lowerCaseRecipientAddress} to the ZRX queue`); + res.status(200).end(); + } + public getQueueInfo(req: express.Request, res: express.Response) { + res.setHeader('Content-Type', 'application/json'); + const payload = JSON.stringify({ + ether: { + full: this._etherRequestQueue.isFull(), + size: this._etherRequestQueue.size(), + }, + zrx: { + full: this._zrxRequestQueue.isFull(), + size: this._zrxRequestQueue.size(), + }, + }); + res.status(200).send(payload); + } + // tslint:disable-next-line:prefer-function-over-method + private _createProviderEngine(rpcUrl: string) { + const engine = new ProviderEngine(); + engine.addProvider(new NonceSubprovider()); + engine.addProvider(new HookedWalletSubprovider(idManagement)); + engine.addProvider( + new RpcSubprovider({ + rpcUrl, + }), + ); + engine.start(); + return engine; + } + private _isValidEthereumAddress(address: string): boolean { + const lowercaseAddress = address.toLowerCase(); + return this._web3.isAddress(lowercaseAddress); + } +} diff --git a/packages/testnet-faucets/src/ts/id_management.ts b/packages/testnet-faucets/src/ts/id_management.ts new file mode 100644 index 000000000..930821172 --- /dev/null +++ b/packages/testnet-faucets/src/ts/id_management.ts @@ -0,0 +1,23 @@ +import EthereumTx = require('ethereumjs-tx'); + +import { configs } from './configs'; +import { utils } from './utils'; + +type Callback = (err: Error | null, accounts: any) => void; + +export const idManagement = { + getAccounts(callback: Callback) { + utils.consoleLog(`configs.DISPENSER_ADDRESS: ${configs.DISPENSER_ADDRESS}`); + callback(null, [configs.DISPENSER_ADDRESS]); + }, + approveTransaction(txData: object, callback: Callback) { + callback(null, true); + }, + signTransaction(txData: object, callback: Callback) { + const tx = new EthereumTx(txData); + const privateKeyBuffer = new Buffer(configs.DISPENSER_PRIVATE_KEY as string, 'hex'); + tx.sign(privateKeyBuffer); + const rawTx = `0x${tx.serialize().toString('hex')}`; + callback(null, rawTx); + }, +}; diff --git a/packages/testnet-faucets/src/ts/request_queue.ts b/packages/testnet-faucets/src/ts/request_queue.ts new file mode 100644 index 000000000..2b42ca4bf --- /dev/null +++ b/packages/testnet-faucets/src/ts/request_queue.ts @@ -0,0 +1,56 @@ +import * as _ from 'lodash'; +import * as timers from 'timers'; + +// HACK: web3 leaks XMLHttpRequest into the global scope and causes requests to hang +// because they are using the wrong XHR package. +// Filed issue: https://github.com/ethereum/web3.js/issues/844 +// tslint:disable-next-line:ordered-imports +import * as Web3 from 'web3'; + +const MAX_QUEUE_SIZE = 500; +const DEFAULT_QUEUE_INTERVAL_MS = 1000; + +export class RequestQueue { + protected queueIntervalMs: number; + protected queue: string[]; + protected queueIntervalId: NodeJS.Timer; + protected web3: Web3; + constructor(web3: any) { + this.queueIntervalMs = DEFAULT_QUEUE_INTERVAL_MS; + this.queue = []; + + this.web3 = web3; + + this.start(); + } + public add(recipientAddress: string): boolean { + if (this.isFull()) { + return false; + } + this.queue.push(recipientAddress); + return true; + } + public size(): number { + return this.queue.length; + } + public isFull(): boolean { + return this.size() >= MAX_QUEUE_SIZE; + } + protected start() { + this.queueIntervalId = timers.setInterval(() => { + const recipientAddress = this.queue.shift(); + if (_.isUndefined(recipientAddress)) { + return; + } + // tslint:disable-next-line:no-floating-promises + this.processNextRequestFireAndForgetAsync(recipientAddress); + }, this.queueIntervalMs); + } + protected stop() { + clearInterval(this.queueIntervalId); + } + // tslint:disable-next-line:prefer-function-over-method + protected async processNextRequestFireAndForgetAsync(recipientAddress: string) { + throw new Error('Expected processNextRequestFireAndForgetAsync to be implemented by a superclass'); + } +} diff --git a/packages/testnet-faucets/src/ts/server.ts b/packages/testnet-faucets/src/ts/server.ts new file mode 100644 index 000000000..23642787d --- /dev/null +++ b/packages/testnet-faucets/src/ts/server.ts @@ -0,0 +1,28 @@ +import * as bodyParser from 'body-parser'; +import * as express from 'express'; + +import { errorReporter } from './error_reporter'; +import { Handler } from './handler'; + +// Setup the errorReporter to catch uncaught exceptions and unhandled rejections +errorReporter.setup(); + +const app = express(); +app.use(bodyParser.json()); // for parsing application/json +app.use((req, res, next) => { + res.header('Access-Control-Allow-Origin', '*'); + res.header('Access-Control-Allow-Headers', 'Origin, X-Requested-With, Content-Type, Accept'); + next(); +}); + +const handler = new Handler(); +app.get('/ping', (req: express.Request, res: express.Response) => { + res.status(200).send('pong'); +}); +app.get('/ether/:recipient', handler.dispenseEther.bind(handler)); +app.get('/zrx/:recipient', handler.dispenseZRX.bind(handler)); + +// Log to rollbar any errors unhandled by handlers +app.use(errorReporter.errorHandler()); +const port = process.env.PORT || 3000; +app.listen(port); diff --git a/packages/testnet-faucets/src/ts/utils.ts b/packages/testnet-faucets/src/ts/utils.ts new file mode 100644 index 000000000..893f82ca3 --- /dev/null +++ b/packages/testnet-faucets/src/ts/utils.ts @@ -0,0 +1,7 @@ +export const utils = { + consoleLog(message: string) { + /* tslint:disable */ + console.log(message); + /* tslint:enable */ + }, +}; diff --git a/packages/testnet-faucets/src/ts/zrx_request_queue.ts b/packages/testnet-faucets/src/ts/zrx_request_queue.ts new file mode 100644 index 000000000..bbc06f1de --- /dev/null +++ b/packages/testnet-faucets/src/ts/zrx_request_queue.ts @@ -0,0 +1,45 @@ +import { ZeroEx } from '0x.js'; +import { BigNumber } from '@0xproject/utils'; +import * as _ from 'lodash'; + +import { configs } from './configs'; +import { errorReporter } from './error_reporter'; +import { RequestQueue } from './request_queue'; +import { utils } from './utils'; + +// HACK: web3 leaks XMLHttpRequest into the global scope and causes requests to hang +// because they are using the wrong XHR package. +// Filed issue: https://github.com/ethereum/web3.js/issues/844 +// tslint:disable-next-line:ordered-imports +import * as Web3 from 'web3'; + +const DISPENSE_AMOUNT_ZRX = new BigNumber(0.1); +const QUEUE_INTERVAL_MS = 5000; + +export class ZRXRequestQueue extends RequestQueue { + private _zeroEx: ZeroEx; + constructor(web3: Web3) { + super(web3); + this.queueIntervalMs = QUEUE_INTERVAL_MS; + const zeroExConfig = { + networkId: configs.KOVAN_NETWORK_ID, + }; + this._zeroEx = new ZeroEx(web3.currentProvider, zeroExConfig); + } + protected async processNextRequestFireAndForgetAsync(recipientAddress: string) { + utils.consoleLog(`Processing ZRX ${recipientAddress}`); + const baseUnitAmount = ZeroEx.toBaseUnitAmount(DISPENSE_AMOUNT_ZRX, 18); + try { + await this._zeroEx.token.transferAsync( + configs.ZRX_TOKEN_ADDRESS, + configs.DISPENSER_ADDRESS, + recipientAddress, + baseUnitAmount, + ); + utils.consoleLog(`Sent ${DISPENSE_AMOUNT_ZRX} ZRX to ${recipientAddress}`); + } catch (err) { + utils.consoleLog(`Unexpected err: ${err} - ${JSON.stringify(err)}`); + await errorReporter.reportAsync(err); + } + } +} diff --git a/packages/testnet-faucets/tsconfig.json b/packages/testnet-faucets/tsconfig.json new file mode 100644 index 000000000..7f0c084ff --- /dev/null +++ b/packages/testnet-faucets/tsconfig.json @@ -0,0 +1,7 @@ +{ + "extends": "../../tsconfig", + "compilerOptions": { + "outDir": "lib" + }, + "include": ["./src/ts/**/*", "../../node_modules/web3-typescript-typings/index.d.ts"] +} diff --git a/packages/testnet-faucets/tslint.json b/packages/testnet-faucets/tslint.json new file mode 100644 index 000000000..ffaefe83a --- /dev/null +++ b/packages/testnet-faucets/tslint.json @@ -0,0 +1,3 @@ +{ + "extends": ["@0xproject/tslint-config"] +} -- cgit v1.2.3