diff options
Diffstat (limited to 'packages/kovan-faucets/src/ts')
-rw-r--r-- | packages/kovan-faucets/src/ts/configs.ts | 12 | ||||
-rw-r--r-- | packages/kovan-faucets/src/ts/error_reporter.ts | 40 | ||||
-rw-r--r-- | packages/kovan-faucets/src/ts/ether_request_queue.ts | 27 | ||||
-rw-r--r-- | packages/kovan-faucets/src/ts/global.d.ts | 26 | ||||
-rw-r--r-- | packages/kovan-faucets/src/ts/handler.ts | 93 | ||||
-rw-r--r-- | packages/kovan-faucets/src/ts/id_management.ts | 23 | ||||
-rw-r--r-- | packages/kovan-faucets/src/ts/request_queue.ts | 56 | ||||
-rw-r--r-- | packages/kovan-faucets/src/ts/server.ts | 28 | ||||
-rw-r--r-- | packages/kovan-faucets/src/ts/utils.ts | 7 | ||||
-rw-r--r-- | packages/kovan-faucets/src/ts/zrx_request_queue.ts | 45 |
10 files changed, 0 insertions, 357 deletions
diff --git a/packages/kovan-faucets/src/ts/configs.ts b/packages/kovan-faucets/src/ts/configs.ts deleted file mode 100644 index 2e5a7f64d..000000000 --- a/packages/kovan-faucets/src/ts/configs.ts +++ /dev/null @@ -1,12 +0,0 @@ -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/kovan-faucets/src/ts/error_reporter.ts b/packages/kovan-faucets/src/ts/error_reporter.ts deleted file mode 100644 index 6865d3893..000000000 --- a/packages/kovan-faucets/src/ts/error_reporter.ts +++ /dev/null @@ -1,40 +0,0 @@ -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<any> { - 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/kovan-faucets/src/ts/ether_request_queue.ts b/packages/kovan-faucets/src/ts/ether_request_queue.ts deleted file mode 100644 index 1c4b19ab9..000000000 --- a/packages/kovan-faucets/src/ts/ether_request_queue.ts +++ /dev/null @@ -1,27 +0,0 @@ -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/kovan-faucets/src/ts/global.d.ts b/packages/kovan-faucets/src/ts/global.d.ts deleted file mode 100644 index 97cd35680..000000000 --- a/packages/kovan-faucets/src/ts/global.d.ts +++ /dev/null @@ -1,26 +0,0 @@ -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/kovan-faucets/src/ts/handler.ts b/packages/kovan-faucets/src/ts/handler.ts deleted file mode 100644 index 4bf776264..000000000 --- a/packages/kovan-faucets/src/ts/handler.ts +++ /dev/null @@ -1,93 +0,0 @@ -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/kovan-faucets/src/ts/id_management.ts b/packages/kovan-faucets/src/ts/id_management.ts deleted file mode 100644 index 930821172..000000000 --- a/packages/kovan-faucets/src/ts/id_management.ts +++ /dev/null @@ -1,23 +0,0 @@ -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/kovan-faucets/src/ts/request_queue.ts b/packages/kovan-faucets/src/ts/request_queue.ts deleted file mode 100644 index 2b42ca4bf..000000000 --- a/packages/kovan-faucets/src/ts/request_queue.ts +++ /dev/null @@ -1,56 +0,0 @@ -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/kovan-faucets/src/ts/server.ts b/packages/kovan-faucets/src/ts/server.ts deleted file mode 100644 index 23642787d..000000000 --- a/packages/kovan-faucets/src/ts/server.ts +++ /dev/null @@ -1,28 +0,0 @@ -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/kovan-faucets/src/ts/utils.ts b/packages/kovan-faucets/src/ts/utils.ts deleted file mode 100644 index 893f82ca3..000000000 --- a/packages/kovan-faucets/src/ts/utils.ts +++ /dev/null @@ -1,7 +0,0 @@ -export const utils = { - consoleLog(message: string) { - /* tslint:disable */ - console.log(message); - /* tslint:enable */ - }, -}; diff --git a/packages/kovan-faucets/src/ts/zrx_request_queue.ts b/packages/kovan-faucets/src/ts/zrx_request_queue.ts deleted file mode 100644 index bbc06f1de..000000000 --- a/packages/kovan-faucets/src/ts/zrx_request_queue.ts +++ /dev/null @@ -1,45 +0,0 @@ -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); - } - } -} |