Fix prettier

15 files changed, 305 insertions, 305 deletions

diff --git a/packages/testnet-faucets/README.md b/packages/testnet-faucets/README.md
index a52d16a00..36322e76e 100644
--- a/packages/testnet-faucets/README.md
+++ b/packages/testnet-faucets/README.md
@@ -63,26 +63,26 @@ Returns a JSON payload describing the state of the queues for each network. For
 
 ```json
 {
-    "3": {
-        "ether": {
-            "full": false,
-            "size": 4
-        },
-        "zrx": {
-            "full": false,
-            "size": 6
-        }
-    },
-    "42": {
-        "ether": {
-            "full": false,
-            "size": 8
-        },
-        "zrx": {
-            "full": false,
-            "size": 20
-        }
-    }
+	"3": {
+		"ether": {
+			"full": false,
+			"size": 4
+		},
+		"zrx": {
+			"full": false,
+			"size": 6
+		}
+	},
+	"42": {
+		"ether": {
+			"full": false,
+			"size": 8
+		},
+		"zrx": {
+			"full": false,
+			"size": 20
+		}
+	}
 }
 ```
 
diff --git a/packages/testnet-faucets/package.json b/packages/testnet-faucets/package.json
index 6c27df0d5..4f8bcfdcf 100644
--- a/packages/testnet-faucets/package.json
+++ b/packages/testnet-faucets/package.json
@@ -1,43 +1,43 @@
 {
-    "private": true,
-    "name": "@0xproject/testnet-faucets",
-    "version": "1.0.7",
-    "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": "^0.30.2",
-        "@0xproject/utils": "^0.2.2",
-        "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": "^0.4.4",
-        "@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": "^0.9.6",
-        "webpack": "^3.1.0",
-        "webpack-node-externals": "^1.6.0"
-    }
+	"private": true,
+	"name": "@0xproject/testnet-faucets",
+	"version": "1.0.7",
+	"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": "^0.30.2",
+		"@0xproject/utils": "^0.2.2",
+		"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": "^0.4.4",
+		"@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": "^0.9.6",
+		"webpack": "^3.1.0",
+		"webpack-node-externals": "^1.6.0"
+	}
 }
diff --git a/packages/testnet-faucets/src/ts/configs.ts b/packages/testnet-faucets/src/ts/configs.ts
index 038c8e22a..038df5322 100644
--- a/packages/testnet-faucets/src/ts/configs.ts
+++ b/packages/testnet-faucets/src/ts/configs.ts
@@ -1,7 +1,7 @@
 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,
-    INFURA_API_KEY: process.env.INFURA_API_KEY,
-    ROLLBAR_ACCESS_KEY: process.env.FAUCET_ROLLBAR_ACCESS_KEY,
+	DISPENSER_ADDRESS: (process.env.DISPENSER_ADDRESS as string).toLowerCase(),
+	DISPENSER_PRIVATE_KEY: process.env.DISPENSER_PRIVATE_KEY,
+	ENVIRONMENT: process.env.FAUCET_ENVIRONMENT,
+	INFURA_API_KEY: process.env.INFURA_API_KEY,
+	ROLLBAR_ACCESS_KEY: process.env.FAUCET_ROLLBAR_ACCESS_KEY,
 };
diff --git a/packages/testnet-faucets/src/ts/error_reporter.ts b/packages/testnet-faucets/src/ts/error_reporter.ts
index 6865d3893..0cef6cfa8 100644
--- a/packages/testnet-faucets/src/ts/error_reporter.ts
+++ b/packages/testnet-faucets/src/ts/error_reporter.ts
@@ -5,36 +5,36 @@ import { configs } from './configs';
 import { utils } from './utils';
 
 export const errorReporter = {
-    setup() {
-        rollbar.init(configs.ROLLBAR_ACCESS_KEY, {
-            environment: configs.ENVIRONMENT,
-        });
+	setup() {
+		rollbar.init(configs.ROLLBAR_ACCESS_KEY, {
+			environment: configs.ENVIRONMENT,
+		});
 
-        rollbar.handleUncaughtExceptions(configs.ROLLBAR_ACCESS_KEY);
+		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
-        }
+		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);
-    },
+		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
index 1c4b19ab9..aa75a00e4 100644
--- a/packages/testnet-faucets/src/ts/ether_request_queue.ts
+++ b/packages/testnet-faucets/src/ts/ether_request_queue.ts
@@ -9,19 +9,19 @@ 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);
-        }
-    }
+	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
index 97cd35680..90866565d 100644
--- a/packages/testnet-faucets/src/ts/global.d.ts
+++ b/packages/testnet-faucets/src/ts/global.d.ts
@@ -5,22 +5,22 @@ 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 */
+	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;
+	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
index bf5b3e81e..455a925e3 100644
--- a/packages/testnet-faucets/src/ts/handler.ts
+++ b/packages/testnet-faucets/src/ts/handler.ts
@@ -20,95 +20,95 @@ import { ZRXRequestQueue } from './zrx_request_queue';
 import * as Web3 from 'web3';
 
 interface RequestQueueByNetworkId {
-    [networkId: string]: RequestQueue;
+	[networkId: string]: RequestQueue;
 }
 
 enum QueueType {
-    ETH = 'ETH',
-    ZRX = 'ZRX',
+	ETH = 'ETH',
+	ZRX = 'ZRX',
 }
 
 const DEFAULT_NETWORK_ID = 42; // kovan
 
 export class Handler {
-    private _etherRequestQueueByNetworkId: RequestQueueByNetworkId = {};
-    private _zrxRequestQueueByNetworkId: RequestQueueByNetworkId = {};
-    constructor() {
-        _.forIn(rpcUrls, (rpcUrl: string, networkId: string) => {
-            const providerObj = this._createProviderEngine(rpcUrl);
-            const web3 = new Web3(providerObj);
-            this._etherRequestQueueByNetworkId[networkId] = new EtherRequestQueue(web3);
-            this._zrxRequestQueueByNetworkId[networkId] = new ZRXRequestQueue(web3, +networkId);
-        });
-    }
-    public getQueueInfo(req: express.Request, res: express.Response) {
-        res.setHeader('Content-Type', 'application/json');
-        const queueInfo = _.mapValues(rpcUrls, (rpcUrl: string, networkId: string) => {
-            utils.consoleLog(networkId);
-            const etherRequestQueue = this._etherRequestQueueByNetworkId[networkId];
-            const zrxRequestQueue = this._zrxRequestQueueByNetworkId[networkId];
-            return {
-                ether: {
-                    full: etherRequestQueue.isFull(),
-                    size: etherRequestQueue.size(),
-                },
-                zrx: {
-                    full: zrxRequestQueue.isFull(),
-                    size: zrxRequestQueue.size(),
-                },
-            };
-        });
-        const payload = JSON.stringify(queueInfo);
-        res.status(200).send(payload);
-    }
-    public dispenseEther(req: express.Request, res: express.Response) {
-        this._dispense(req, res, this._etherRequestQueueByNetworkId, QueueType.ETH);
-    }
-    public dispenseZRX(req: express.Request, res: express.Response) {
-        this._dispense(req, res, this._zrxRequestQueueByNetworkId, QueueType.ZRX);
-    }
-    private _dispense(
-        req: express.Request,
-        res: express.Response,
-        requestQueueByNetworkId: RequestQueueByNetworkId,
-        queueType: QueueType,
-    ) {
-        const recipientAddress = req.params.recipient;
-        if (_.isUndefined(recipientAddress) || !this._isValidEthereumAddress(recipientAddress)) {
-            res.status(400).send('INVALID_RECIPIENT_ADDRESS');
-            return;
-        }
-        const networkId = _.get(req.query, 'networkId', DEFAULT_NETWORK_ID);
-        const requestQueue = _.get(requestQueueByNetworkId, networkId);
-        if (_.isUndefined(requestQueue)) {
-            res.status(400).send('INVALID_NETWORK_ID');
-            return;
-        }
-        const lowerCaseRecipientAddress = recipientAddress.toLowerCase();
-        const didAddToQueue = requestQueue.add(lowerCaseRecipientAddress);
-        if (!didAddToQueue) {
-            res.status(503).send('QUEUE_IS_FULL');
-            return;
-        }
-        utils.consoleLog(`Added ${lowerCaseRecipientAddress} to queue: ${queueType} networkId: ${networkId}`);
-        res.status(200).end();
-    }
-    // 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;
-    }
-    // tslint:disable-next-line:prefer-function-over-method
-    private _isValidEthereumAddress(address: string): boolean {
-        const lowercaseAddress = address.toLowerCase();
-        return addressUtils.isAddress(lowercaseAddress);
-    }
+	private _etherRequestQueueByNetworkId: RequestQueueByNetworkId = {};
+	private _zrxRequestQueueByNetworkId: RequestQueueByNetworkId = {};
+	constructor() {
+		_.forIn(rpcUrls, (rpcUrl: string, networkId: string) => {
+			const providerObj = this._createProviderEngine(rpcUrl);
+			const web3 = new Web3(providerObj);
+			this._etherRequestQueueByNetworkId[networkId] = new EtherRequestQueue(web3);
+			this._zrxRequestQueueByNetworkId[networkId] = new ZRXRequestQueue(web3, +networkId);
+		});
+	}
+	public getQueueInfo(req: express.Request, res: express.Response) {
+		res.setHeader('Content-Type', 'application/json');
+		const queueInfo = _.mapValues(rpcUrls, (rpcUrl: string, networkId: string) => {
+			utils.consoleLog(networkId);
+			const etherRequestQueue = this._etherRequestQueueByNetworkId[networkId];
+			const zrxRequestQueue = this._zrxRequestQueueByNetworkId[networkId];
+			return {
+				ether: {
+					full: etherRequestQueue.isFull(),
+					size: etherRequestQueue.size(),
+				},
+				zrx: {
+					full: zrxRequestQueue.isFull(),
+					size: zrxRequestQueue.size(),
+				},
+			};
+		});
+		const payload = JSON.stringify(queueInfo);
+		res.status(200).send(payload);
+	}
+	public dispenseEther(req: express.Request, res: express.Response) {
+		this._dispense(req, res, this._etherRequestQueueByNetworkId, QueueType.ETH);
+	}
+	public dispenseZRX(req: express.Request, res: express.Response) {
+		this._dispense(req, res, this._zrxRequestQueueByNetworkId, QueueType.ZRX);
+	}
+	private _dispense(
+		req: express.Request,
+		res: express.Response,
+		requestQueueByNetworkId: RequestQueueByNetworkId,
+		queueType: QueueType,
+	) {
+		const recipientAddress = req.params.recipient;
+		if (_.isUndefined(recipientAddress) || !this._isValidEthereumAddress(recipientAddress)) {
+			res.status(400).send('INVALID_RECIPIENT_ADDRESS');
+			return;
+		}
+		const networkId = _.get(req.query, 'networkId', DEFAULT_NETWORK_ID);
+		const requestQueue = _.get(requestQueueByNetworkId, networkId);
+		if (_.isUndefined(requestQueue)) {
+			res.status(400).send('INVALID_NETWORK_ID');
+			return;
+		}
+		const lowerCaseRecipientAddress = recipientAddress.toLowerCase();
+		const didAddToQueue = requestQueue.add(lowerCaseRecipientAddress);
+		if (!didAddToQueue) {
+			res.status(503).send('QUEUE_IS_FULL');
+			return;
+		}
+		utils.consoleLog(`Added ${lowerCaseRecipientAddress} to queue: ${queueType} networkId: ${networkId}`);
+		res.status(200).end();
+	}
+	// 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;
+	}
+	// tslint:disable-next-line:prefer-function-over-method
+	private _isValidEthereumAddress(address: string): boolean {
+		const lowercaseAddress = address.toLowerCase();
+		return addressUtils.isAddress(lowercaseAddress);
+	}
 }
diff --git a/packages/testnet-faucets/src/ts/id_management.ts b/packages/testnet-faucets/src/ts/id_management.ts
index db9b610a3..2f04b5ff9 100644
--- a/packages/testnet-faucets/src/ts/id_management.ts
+++ b/packages/testnet-faucets/src/ts/id_management.ts
@@ -5,17 +5,17 @@ import { configs } from './configs';
 type Callback = (err: Error | null, accounts: any) => void;
 
 export const idManagement = {
-    getAccounts(callback: Callback) {
-        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${tx.serialize().toString('hex')}`;
-        callback(null, rawTx);
-    },
+	getAccounts(callback: Callback) {
+		callback(null, [configs.DISPENSER_ADDRESS]);
+	},
+	approveTransaction(txData: object, callback: Callback) {
+		callback(null, true);
+	},
+	signTransaction(txData: object, callback: Callback) {
+		const tx = new EthereumTx(txData);
+		const privateKeyBuffer = new Buffer(configs.DISPENSER_PRIVATE_KEY as string, 'hex');
+		tx.sign(privateKeyBuffer);
+		const rawTx = `0x${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
index 20f2833a1..37b5505f8 100644
--- a/packages/testnet-faucets/src/ts/request_queue.ts
+++ b/packages/testnet-faucets/src/ts/request_queue.ts
@@ -11,46 +11,46 @@ 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 = [];
+	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.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 subclass');
-    }
+		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 subclass');
+	}
 }
diff --git a/packages/testnet-faucets/src/ts/rpc_urls.ts b/packages/testnet-faucets/src/ts/rpc_urls.ts
index 25a3b938f..9e12bca37 100644
--- a/packages/testnet-faucets/src/ts/rpc_urls.ts
+++ b/packages/testnet-faucets/src/ts/rpc_urls.ts
@@ -1,13 +1,13 @@
 import { configs } from './configs';
 
 const productionRpcUrls = {
-    '2': `https://ropsten.infura.io/${configs.INFURA_API_KEY}`,
-    '3': `https://rinkeby.infura.io/${configs.INFURA_API_KEY}`,
-    '42': `https://kovan.infura.io/${configs.INFURA_API_KEY}`,
+	'2': `https://ropsten.infura.io/${configs.INFURA_API_KEY}`,
+	'3': `https://rinkeby.infura.io/${configs.INFURA_API_KEY}`,
+	'42': `https://kovan.infura.io/${configs.INFURA_API_KEY}`,
 };
 
 const developmentRpcUrls = {
-    '50': 'http://127.0.0.1:8545',
+	'50': 'http://127.0.0.1:8545',
 };
 
 export const rpcUrls = configs.ENVIRONMENT === 'development' ? developmentRpcUrls : productionRpcUrls;
diff --git a/packages/testnet-faucets/src/ts/server.ts b/packages/testnet-faucets/src/ts/server.ts
index 26edfff5a..6fb555538 100644
--- a/packages/testnet-faucets/src/ts/server.ts
+++ b/packages/testnet-faucets/src/ts/server.ts
@@ -10,14 +10,14 @@ 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();
+	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');
+	res.status(200).send('pong');
 });
 app.get('/info', handler.getQueueInfo.bind(handler));
 app.get('/ether/:recipient', handler.dispenseEther.bind(handler));
diff --git a/packages/testnet-faucets/src/ts/utils.ts b/packages/testnet-faucets/src/ts/utils.ts
index 893f82ca3..821fe453c 100644
--- a/packages/testnet-faucets/src/ts/utils.ts
+++ b/packages/testnet-faucets/src/ts/utils.ts
@@ -1,7 +1,7 @@
 export const utils = {
-    consoleLog(message: string) {
-        /* tslint:disable */
-        console.log(message);
-        /* tslint:enable */
-    },
+	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
index 3d73f9dd2..b81a44cd1 100644
--- a/packages/testnet-faucets/src/ts/zrx_request_queue.ts
+++ b/packages/testnet-faucets/src/ts/zrx_request_queue.ts
@@ -17,30 +17,30 @@ const DISPENSE_AMOUNT_ZRX = new BigNumber(0.1);
 const QUEUE_INTERVAL_MS = 5000;
 
 export class ZRXRequestQueue extends RequestQueue {
-    private _zeroEx: ZeroEx;
-    constructor(web3: Web3, networkId: number) {
-        super(web3);
-        this.queueIntervalMs = QUEUE_INTERVAL_MS;
-        const zeroExConfig = {
-            networkId,
-        };
-        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 {
-            const zrxTokenAddress = this._zeroEx.exchange.getZRXTokenAddress();
-            const txHash = await this._zeroEx.token.transferAsync(
-                zrxTokenAddress,
-                configs.DISPENSER_ADDRESS,
-                recipientAddress,
-                baseUnitAmount,
-            );
-            utils.consoleLog(`Sent ${DISPENSE_AMOUNT_ZRX} ZRX to ${recipientAddress} tx: ${txHash}`);
-        } catch (err) {
-            utils.consoleLog(`Unexpected err: ${err} - ${JSON.stringify(err)}`);
-            await errorReporter.reportAsync(err);
-        }
-    }
+	private _zeroEx: ZeroEx;
+	constructor(web3: Web3, networkId: number) {
+		super(web3);
+		this.queueIntervalMs = QUEUE_INTERVAL_MS;
+		const zeroExConfig = {
+			networkId,
+		};
+		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 {
+			const zrxTokenAddress = this._zeroEx.exchange.getZRXTokenAddress();
+			const txHash = await this._zeroEx.token.transferAsync(
+				zrxTokenAddress,
+				configs.DISPENSER_ADDRESS,
+				recipientAddress,
+				baseUnitAmount,
+			);
+			utils.consoleLog(`Sent ${DISPENSE_AMOUNT_ZRX} ZRX to ${recipientAddress} tx: ${txHash}`);
+		} 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
index 7f0c084ff..e3353cc95 100644
--- a/packages/testnet-faucets/tsconfig.json
+++ b/packages/testnet-faucets/tsconfig.json
@@ -1,7 +1,7 @@
 {
-    "extends": "../../tsconfig",
-    "compilerOptions": {
-        "outDir": "lib"
-    },
-    "include": ["./src/ts/**/*", "../../node_modules/web3-typescript-typings/index.d.ts"]
+	"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
index ffaefe83a..e63054bfc 100644
--- a/packages/testnet-faucets/tslint.json
+++ b/packages/testnet-faucets/tslint.json
@@ -1,3 +1,3 @@
 {
-    "extends": ["@0xproject/tslint-config"]
+	"extends": ["@0xproject/tslint-config"]
 }