Fix prettier

13 files changed, 480 insertions, 480 deletions

diff --git a/packages/connect/src/globals.d.ts b/packages/connect/src/globals.d.ts
index 078e189cd..d2011026b 100644
--- a/packages/connect/src/globals.d.ts
+++ b/packages/connect/src/globals.d.ts
@@ -1,6 +1,6 @@
 declare module 'dirty-chai';
 
 declare module '*.json' {
-    const value: any;
-    export default value;
+	const value: any;
+	export default value;
 }
diff --git a/packages/connect/src/http_client.ts b/packages/connect/src/http_client.ts
index 3df77b0f0..03c0b9702 100644
--- a/packages/connect/src/http_client.ts
+++ b/packages/connect/src/http_client.ts
@@ -6,17 +6,17 @@ import * as queryString from 'query-string';
 
 import { schemas as clientSchemas } from './schemas/schemas';
 import {
-    Client,
-    FeesRequest,
-    FeesResponse,
-    HttpRequestOptions,
-    HttpRequestType,
-    OrderbookRequest,
-    OrderbookResponse,
-    OrdersRequest,
-    SignedOrder,
-    TokenPairsItem,
-    TokenPairsRequest,
+	Client,
+	FeesRequest,
+	FeesResponse,
+	HttpRequestOptions,
+	HttpRequestType,
+	OrderbookRequest,
+	OrderbookResponse,
+	OrdersRequest,
+	SignedOrder,
+	TokenPairsItem,
+	TokenPairsRequest,
 } from './types';
 import { relayerResponseJsonParsers } from './utils/relayer_response_json_parsers';
 
@@ -26,127 +26,127 @@ const TRAILING_SLASHES_REGEX = /\/+$/;
  * that implement the standard relayer API v0
  */
 export class HttpClient implements Client {
-    private _apiEndpointUrl: string;
-    /**
-     * Instantiates a new HttpClient instance
-     * @param   url    The relayer API base HTTP url you would like to interact with
-     * @return  An instance of HttpClient
-     */
-    constructor(url: string) {
-        assert.isHttpUrl('url', url);
-        this._apiEndpointUrl = url.replace(TRAILING_SLASHES_REGEX, ''); // remove trailing slashes
-    }
-    /**
-     * Retrieve token pair info from the API
-     * @param   request     A TokenPairsRequest instance describing specific token information
-     *                      to retrieve
-     * @return  The resulting TokenPairsItems that match the request
-     */
-    public async getTokenPairsAsync(request?: TokenPairsRequest): Promise<TokenPairsItem[]> {
-        if (!_.isUndefined(request)) {
-            assert.doesConformToSchema('request', request, clientSchemas.relayerTokenPairsRequestSchema);
-        }
-        const requestOpts = {
-            params: request,
-        };
-        const responseJson = await this._requestAsync('/token_pairs', HttpRequestType.Get, requestOpts);
-        const tokenPairs = relayerResponseJsonParsers.parseTokenPairsJson(responseJson);
-        return tokenPairs;
-    }
-    /**
-     * Retrieve orders from the API
-     * @param   request     An OrdersRequest instance describing specific orders to retrieve
-     * @return  The resulting SignedOrders that match the request
-     */
-    public async getOrdersAsync(request?: OrdersRequest): Promise<SignedOrder[]> {
-        if (!_.isUndefined(request)) {
-            assert.doesConformToSchema('request', request, clientSchemas.relayerOrdersRequestSchema);
-        }
-        const requestOpts = {
-            params: request,
-        };
-        const responseJson = await this._requestAsync(`/orders`, HttpRequestType.Get, requestOpts);
-        const orders = relayerResponseJsonParsers.parseOrdersJson(responseJson);
-        return orders;
-    }
-    /**
-     * Retrieve a specific order from the API
-     * @param   orderHash     An orderHash generated from the desired order
-     * @return  The SignedOrder that matches the supplied orderHash
-     */
-    public async getOrderAsync(orderHash: string): Promise<SignedOrder> {
-        assert.doesConformToSchema('orderHash', orderHash, schemas.orderHashSchema);
-        const responseJson = await this._requestAsync(`/order/${orderHash}`, HttpRequestType.Get);
-        const order = relayerResponseJsonParsers.parseOrderJson(responseJson);
-        return order;
-    }
-    /**
-     * Retrieve an orderbook from the API
-     * @param   request     An OrderbookRequest instance describing the specific orderbook to retrieve
-     * @return  The resulting OrderbookResponse that matches the request
-     */
-    public async getOrderbookAsync(request: OrderbookRequest): Promise<OrderbookResponse> {
-        assert.doesConformToSchema('request', request, clientSchemas.relayerOrderBookRequestSchema);
-        const requestOpts = {
-            params: request,
-        };
-        const responseJson = await this._requestAsync('/orderbook', HttpRequestType.Get, requestOpts);
-        const orderbook = relayerResponseJsonParsers.parseOrderbookResponseJson(responseJson);
-        return orderbook;
-    }
-    /**
-     * Retrieve fee information from the API
-     * @param   request     A FeesRequest instance describing the specific fees to retrieve
-     * @return  The resulting FeesResponse that matches the request
-     */
-    public async getFeesAsync(request: FeesRequest): Promise<FeesResponse> {
-        assert.doesConformToSchema('request', request, schemas.relayerApiFeesPayloadSchema);
-        const requestOpts = {
-            payload: request,
-        };
-        const responseJson = await this._requestAsync('/fees', HttpRequestType.Post, requestOpts);
-        const fees = relayerResponseJsonParsers.parseFeesResponseJson(responseJson);
-        return fees;
-    }
-    /**
-     * Submit a signed order to the API
-     * @param   signedOrder     A SignedOrder instance to submit
-     */
-    public async submitOrderAsync(signedOrder: SignedOrder): Promise<void> {
-        assert.doesConformToSchema('signedOrder', signedOrder, schemas.signedOrderSchema);
-        const requestOpts = {
-            payload: signedOrder,
-        };
-        await this._requestAsync('/order', HttpRequestType.Post, requestOpts);
-    }
-    private async _requestAsync(
-        path: string,
-        requestType: HttpRequestType,
-        requestOptions?: HttpRequestOptions,
-    ): Promise<any> {
-        const params = _.get(requestOptions, 'params');
-        const payload = _.get(requestOptions, 'payload');
-        let query = '';
-        if (!_.isUndefined(params) && !_.isEmpty(params)) {
-            const stringifiedParams = queryString.stringify(params);
-            query = `?${stringifiedParams}`;
-        }
-        const url = `${this._apiEndpointUrl}${path}${query}`;
-        const headers = new Headers({
-            'content-type': 'application/json',
-        });
-        const response = await fetch(url, {
-            method: requestType,
-            body: JSON.stringify(payload),
-            headers,
-        });
-        const json = await response.json();
-        if (!response.ok) {
-            const errorString = `${response.status} - ${response.statusText}\n${requestType} ${url}\n${JSON.stringify(
-                json,
-            )}`;
-            throw Error(errorString);
-        }
-        return json;
-    }
+	private _apiEndpointUrl: string;
+	/**
+	 * Instantiates a new HttpClient instance
+	 * @param   url    The relayer API base HTTP url you would like to interact with
+	 * @return  An instance of HttpClient
+	 */
+	constructor(url: string) {
+		assert.isHttpUrl('url', url);
+		this._apiEndpointUrl = url.replace(TRAILING_SLASHES_REGEX, ''); // remove trailing slashes
+	}
+	/**
+	 * Retrieve token pair info from the API
+	 * @param   request     A TokenPairsRequest instance describing specific token information
+	 *                      to retrieve
+	 * @return  The resulting TokenPairsItems that match the request
+	 */
+	public async getTokenPairsAsync(request?: TokenPairsRequest): Promise<TokenPairsItem[]> {
+		if (!_.isUndefined(request)) {
+			assert.doesConformToSchema('request', request, clientSchemas.relayerTokenPairsRequestSchema);
+		}
+		const requestOpts = {
+			params: request,
+		};
+		const responseJson = await this._requestAsync('/token_pairs', HttpRequestType.Get, requestOpts);
+		const tokenPairs = relayerResponseJsonParsers.parseTokenPairsJson(responseJson);
+		return tokenPairs;
+	}
+	/**
+	 * Retrieve orders from the API
+	 * @param   request     An OrdersRequest instance describing specific orders to retrieve
+	 * @return  The resulting SignedOrders that match the request
+	 */
+	public async getOrdersAsync(request?: OrdersRequest): Promise<SignedOrder[]> {
+		if (!_.isUndefined(request)) {
+			assert.doesConformToSchema('request', request, clientSchemas.relayerOrdersRequestSchema);
+		}
+		const requestOpts = {
+			params: request,
+		};
+		const responseJson = await this._requestAsync(`/orders`, HttpRequestType.Get, requestOpts);
+		const orders = relayerResponseJsonParsers.parseOrdersJson(responseJson);
+		return orders;
+	}
+	/**
+	 * Retrieve a specific order from the API
+	 * @param   orderHash     An orderHash generated from the desired order
+	 * @return  The SignedOrder that matches the supplied orderHash
+	 */
+	public async getOrderAsync(orderHash: string): Promise<SignedOrder> {
+		assert.doesConformToSchema('orderHash', orderHash, schemas.orderHashSchema);
+		const responseJson = await this._requestAsync(`/order/${orderHash}`, HttpRequestType.Get);
+		const order = relayerResponseJsonParsers.parseOrderJson(responseJson);
+		return order;
+	}
+	/**
+	 * Retrieve an orderbook from the API
+	 * @param   request     An OrderbookRequest instance describing the specific orderbook to retrieve
+	 * @return  The resulting OrderbookResponse that matches the request
+	 */
+	public async getOrderbookAsync(request: OrderbookRequest): Promise<OrderbookResponse> {
+		assert.doesConformToSchema('request', request, clientSchemas.relayerOrderBookRequestSchema);
+		const requestOpts = {
+			params: request,
+		};
+		const responseJson = await this._requestAsync('/orderbook', HttpRequestType.Get, requestOpts);
+		const orderbook = relayerResponseJsonParsers.parseOrderbookResponseJson(responseJson);
+		return orderbook;
+	}
+	/**
+	 * Retrieve fee information from the API
+	 * @param   request     A FeesRequest instance describing the specific fees to retrieve
+	 * @return  The resulting FeesResponse that matches the request
+	 */
+	public async getFeesAsync(request: FeesRequest): Promise<FeesResponse> {
+		assert.doesConformToSchema('request', request, schemas.relayerApiFeesPayloadSchema);
+		const requestOpts = {
+			payload: request,
+		};
+		const responseJson = await this._requestAsync('/fees', HttpRequestType.Post, requestOpts);
+		const fees = relayerResponseJsonParsers.parseFeesResponseJson(responseJson);
+		return fees;
+	}
+	/**
+	 * Submit a signed order to the API
+	 * @param   signedOrder     A SignedOrder instance to submit
+	 */
+	public async submitOrderAsync(signedOrder: SignedOrder): Promise<void> {
+		assert.doesConformToSchema('signedOrder', signedOrder, schemas.signedOrderSchema);
+		const requestOpts = {
+			payload: signedOrder,
+		};
+		await this._requestAsync('/order', HttpRequestType.Post, requestOpts);
+	}
+	private async _requestAsync(
+		path: string,
+		requestType: HttpRequestType,
+		requestOptions?: HttpRequestOptions,
+	): Promise<any> {
+		const params = _.get(requestOptions, 'params');
+		const payload = _.get(requestOptions, 'payload');
+		let query = '';
+		if (!_.isUndefined(params) && !_.isEmpty(params)) {
+			const stringifiedParams = queryString.stringify(params);
+			query = `?${stringifiedParams}`;
+		}
+		const url = `${this._apiEndpointUrl}${path}${query}`;
+		const headers = new Headers({
+			'content-type': 'application/json',
+		});
+		const response = await fetch(url, {
+			method: requestType,
+			body: JSON.stringify(payload),
+			headers,
+		});
+		const json = await response.json();
+		if (!response.ok) {
+			const errorString = `${response.status} - ${response.statusText}\n${requestType} ${url}\n${JSON.stringify(
+				json,
+			)}`;
+			throw Error(errorString);
+		}
+		return json;
+	}
 }
diff --git a/packages/connect/src/index.ts b/packages/connect/src/index.ts
index a492f5ae9..d0cce9935 100644
--- a/packages/connect/src/index.ts
+++ b/packages/connect/src/index.ts
@@ -1,19 +1,19 @@
 export { HttpClient } from './http_client';
 export { WebSocketOrderbookChannel } from './ws_orderbook_channel';
 export {
-    Client,
-    ECSignature,
-    FeesRequest,
-    FeesResponse,
-    Order,
-    OrderbookChannel,
-    OrderbookChannelHandler,
-    OrderbookChannelSubscriptionOpts,
-    OrderbookRequest,
-    OrderbookResponse,
-    OrdersRequest,
-    SignedOrder,
-    TokenPairsItem,
-    TokenPairsRequest,
-    TokenTradeInfo,
+	Client,
+	ECSignature,
+	FeesRequest,
+	FeesResponse,
+	Order,
+	OrderbookChannel,
+	OrderbookChannelHandler,
+	OrderbookChannelSubscriptionOpts,
+	OrderbookRequest,
+	OrderbookResponse,
+	OrdersRequest,
+	SignedOrder,
+	TokenPairsItem,
+	TokenPairsRequest,
+	TokenTradeInfo,
 } from './types';
diff --git a/packages/connect/src/schemas/relayer_fees_request_schema.ts b/packages/connect/src/schemas/relayer_fees_request_schema.ts
index f20e077ba..bd0b91fa3 100644
--- a/packages/connect/src/schemas/relayer_fees_request_schema.ts
+++ b/packages/connect/src/schemas/relayer_fees_request_schema.ts
@@ -1,8 +1,8 @@
 export const relayerOrderBookRequestSchema = {
-    id: '/RelayerOrderBookRequest',
-    type: 'object',
-    properties: {
-        baseTokenAddress: { $ref: '/Address' },
-        quoteTokenAddress: { $ref: '/Address' },
-    },
+	id: '/RelayerOrderBookRequest',
+	type: 'object',
+	properties: {
+		baseTokenAddress: { $ref: '/Address' },
+		quoteTokenAddress: { $ref: '/Address' },
+	},
 };
diff --git a/packages/connect/src/schemas/relayer_orderbook_request_schema.ts b/packages/connect/src/schemas/relayer_orderbook_request_schema.ts
index f20e077ba..bd0b91fa3 100644
--- a/packages/connect/src/schemas/relayer_orderbook_request_schema.ts
+++ b/packages/connect/src/schemas/relayer_orderbook_request_schema.ts
@@ -1,8 +1,8 @@
 export const relayerOrderBookRequestSchema = {
-    id: '/RelayerOrderBookRequest',
-    type: 'object',
-    properties: {
-        baseTokenAddress: { $ref: '/Address' },
-        quoteTokenAddress: { $ref: '/Address' },
-    },
+	id: '/RelayerOrderBookRequest',
+	type: 'object',
+	properties: {
+		baseTokenAddress: { $ref: '/Address' },
+		quoteTokenAddress: { $ref: '/Address' },
+	},
 };
diff --git a/packages/connect/src/schemas/relayer_orders_request_schema.ts b/packages/connect/src/schemas/relayer_orders_request_schema.ts
index 570238dae..0471cb104 100644
--- a/packages/connect/src/schemas/relayer_orders_request_schema.ts
+++ b/packages/connect/src/schemas/relayer_orders_request_schema.ts
@@ -1,16 +1,16 @@
 export const relayerOrdersRequestSchema = {
-    id: '/RelayerOrdersRequest',
-    type: 'object',
-    properties: {
-        exchangeContractAddress: { $ref: '/Address' },
-        tokenAddress: { $ref: '/Address' },
-        makerTokenAddress: { $ref: '/Address' },
-        takerTokenAddress: { $ref: '/Address' },
-        tokenA: { $ref: '/Address' },
-        tokenB: { $ref: '/Address' },
-        maker: { $ref: '/Address' },
-        taker: { $ref: '/Address' },
-        trader: { $ref: '/Address' },
-        feeRecipient: { $ref: '/Address' },
-    },
+	id: '/RelayerOrdersRequest',
+	type: 'object',
+	properties: {
+		exchangeContractAddress: { $ref: '/Address' },
+		tokenAddress: { $ref: '/Address' },
+		makerTokenAddress: { $ref: '/Address' },
+		takerTokenAddress: { $ref: '/Address' },
+		tokenA: { $ref: '/Address' },
+		tokenB: { $ref: '/Address' },
+		maker: { $ref: '/Address' },
+		taker: { $ref: '/Address' },
+		trader: { $ref: '/Address' },
+		feeRecipient: { $ref: '/Address' },
+	},
 };
diff --git a/packages/connect/src/schemas/relayer_token_pairs_request_schema.ts b/packages/connect/src/schemas/relayer_token_pairs_request_schema.ts
index 379232204..cb79efdb3 100644
--- a/packages/connect/src/schemas/relayer_token_pairs_request_schema.ts
+++ b/packages/connect/src/schemas/relayer_token_pairs_request_schema.ts
@@ -1,8 +1,8 @@
 export const relayerTokenPairsRequestSchema = {
-    id: '/RelayerTokenPairsRequest',
-    type: 'object',
-    properties: {
-        tokenA: { $ref: '/Address' },
-        tokenB: { $ref: '/Address' },
-    },
+	id: '/RelayerTokenPairsRequest',
+	type: 'object',
+	properties: {
+		tokenA: { $ref: '/Address' },
+		tokenB: { $ref: '/Address' },
+	},
 };
diff --git a/packages/connect/src/schemas/schemas.ts b/packages/connect/src/schemas/schemas.ts
index 288d6969d..2982d81ab 100644
--- a/packages/connect/src/schemas/schemas.ts
+++ b/packages/connect/src/schemas/schemas.ts
@@ -3,7 +3,7 @@ import { relayerOrdersRequestSchema } from './relayer_orders_request_schema';
 import { relayerTokenPairsRequestSchema } from './relayer_token_pairs_request_schema';
 
 export const schemas = {
-    relayerOrderBookRequestSchema,
-    relayerOrdersRequestSchema,
-    relayerTokenPairsRequestSchema,
+	relayerOrderBookRequestSchema,
+	relayerOrdersRequestSchema,
+	relayerTokenPairsRequestSchema,
 };
diff --git a/packages/connect/src/types.ts b/packages/connect/src/types.ts
index edb6c77a6..5f72f6e85 100644
--- a/packages/connect/src/types.ts
+++ b/packages/connect/src/types.ts
@@ -2,45 +2,45 @@ import { BigNumber } from '@0xproject/utils';
 
 // TODO: Consolidate Order, SignedOrder and ECSignature into a shared package instead of duplicating them from 0x.js
 export interface Order {
-    maker: string;
-    taker: string;
-    makerFee: BigNumber;
-    takerFee: BigNumber;
-    makerTokenAmount: BigNumber;
-    takerTokenAmount: BigNumber;
-    makerTokenAddress: string;
-    takerTokenAddress: string;
-    salt: BigNumber;
-    exchangeContractAddress: string;
-    feeRecipient: string;
-    expirationUnixTimestampSec: BigNumber;
+	maker: string;
+	taker: string;
+	makerFee: BigNumber;
+	takerFee: BigNumber;
+	makerTokenAmount: BigNumber;
+	takerTokenAmount: BigNumber;
+	makerTokenAddress: string;
+	takerTokenAddress: string;
+	salt: BigNumber;
+	exchangeContractAddress: string;
+	feeRecipient: string;
+	expirationUnixTimestampSec: BigNumber;
 }
 
 export interface SignedOrder extends Order {
-    ecSignature: ECSignature;
+	ecSignature: ECSignature;
 }
 
 /**
  * Elliptic Curve signature
  */
 export interface ECSignature {
-    v: number;
-    r: string;
-    s: string;
+	v: number;
+	r: string;
+	s: string;
 }
 
 export interface Client {
-    getTokenPairsAsync: (request?: TokenPairsRequest) => Promise<TokenPairsItem[]>;
-    getOrdersAsync: (request?: OrdersRequest) => Promise<SignedOrder[]>;
-    getOrderAsync: (orderHash: string) => Promise<SignedOrder>;
-    getOrderbookAsync: (request: OrderbookRequest) => Promise<OrderbookResponse>;
-    getFeesAsync: (request: FeesRequest) => Promise<FeesResponse>;
-    submitOrderAsync: (signedOrder: SignedOrder) => Promise<void>;
+	getTokenPairsAsync: (request?: TokenPairsRequest) => Promise<TokenPairsItem[]>;
+	getOrdersAsync: (request?: OrdersRequest) => Promise<SignedOrder[]>;
+	getOrderAsync: (orderHash: string) => Promise<SignedOrder>;
+	getOrderbookAsync: (request: OrderbookRequest) => Promise<OrderbookResponse>;
+	getFeesAsync: (request: FeesRequest) => Promise<FeesResponse>;
+	submitOrderAsync: (signedOrder: SignedOrder) => Promise<void>;
 }
 
 export interface OrderbookChannel {
-    subscribe: (subscriptionOpts: OrderbookChannelSubscriptionOpts, handler: OrderbookChannelHandler) => void;
-    close: () => void;
+	subscribe: (subscriptionOpts: OrderbookChannelSubscriptionOpts, handler: OrderbookChannelHandler) => void;
+	close: () => void;
 }
 
 /*
@@ -50,129 +50,129 @@ export interface OrderbookChannel {
  * limit: Maximum number of bids and asks in orderbook snapshot
  */
 export interface OrderbookChannelSubscriptionOpts {
-    baseTokenAddress: string;
-    quoteTokenAddress: string;
-    snapshot: boolean;
-    limit: number;
+	baseTokenAddress: string;
+	quoteTokenAddress: string;
+	snapshot: boolean;
+	limit: number;
 }
 
 export interface OrderbookChannelHandler {
-    onSnapshot: (
-        channel: OrderbookChannel,
-        subscriptionOpts: OrderbookChannelSubscriptionOpts,
-        snapshot: OrderbookResponse,
-    ) => void;
-    onUpdate: (
-        channel: OrderbookChannel,
-        subscriptionOpts: OrderbookChannelSubscriptionOpts,
-        order: SignedOrder,
-    ) => void;
-    onError: (channel: OrderbookChannel, subscriptionOpts: OrderbookChannelSubscriptionOpts, err: Error) => void;
-    onClose: (channel: OrderbookChannel, subscriptionOpts: OrderbookChannelSubscriptionOpts) => void;
+	onSnapshot: (
+		channel: OrderbookChannel,
+		subscriptionOpts: OrderbookChannelSubscriptionOpts,
+		snapshot: OrderbookResponse,
+	) => void;
+	onUpdate: (
+		channel: OrderbookChannel,
+		subscriptionOpts: OrderbookChannelSubscriptionOpts,
+		order: SignedOrder,
+	) => void;
+	onError: (channel: OrderbookChannel, subscriptionOpts: OrderbookChannelSubscriptionOpts, err: Error) => void;
+	onClose: (channel: OrderbookChannel, subscriptionOpts: OrderbookChannelSubscriptionOpts) => void;
 }
 
 export type OrderbookChannelMessage =
-    | SnapshotOrderbookChannelMessage
-    | UpdateOrderbookChannelMessage
-    | UnknownOrderbookChannelMessage;
+	| SnapshotOrderbookChannelMessage
+	| UpdateOrderbookChannelMessage
+	| UnknownOrderbookChannelMessage;
 
 export enum OrderbookChannelMessageTypes {
-    Snapshot = 'snapshot',
-    Update = 'update',
-    Unknown = 'unknown',
+	Snapshot = 'snapshot',
+	Update = 'update',
+	Unknown = 'unknown',
 }
 
 export interface SnapshotOrderbookChannelMessage {
-    type: OrderbookChannelMessageTypes.Snapshot;
-    requestId: number;
-    payload: OrderbookResponse;
+	type: OrderbookChannelMessageTypes.Snapshot;
+	requestId: number;
+	payload: OrderbookResponse;
 }
 
 export interface UpdateOrderbookChannelMessage {
-    type: OrderbookChannelMessageTypes.Update;
-    requestId: number;
-    payload: SignedOrder;
+	type: OrderbookChannelMessageTypes.Update;
+	requestId: number;
+	payload: SignedOrder;
 }
 
 export interface UnknownOrderbookChannelMessage {
-    type: OrderbookChannelMessageTypes.Unknown;
-    requestId: number;
-    payload: undefined;
+	type: OrderbookChannelMessageTypes.Unknown;
+	requestId: number;
+	payload: undefined;
 }
 
 export enum WebsocketConnectionEventType {
-    Close = 'close',
-    Error = 'error',
-    Message = 'message',
+	Close = 'close',
+	Error = 'error',
+	Message = 'message',
 }
 
 export enum WebsocketClientEventType {
-    Connect = 'connect',
-    ConnectFailed = 'connectFailed',
+	Connect = 'connect',
+	ConnectFailed = 'connectFailed',
 }
 
 export interface TokenPairsRequest {
-    tokenA?: string;
-    tokenB?: string;
+	tokenA?: string;
+	tokenB?: string;
 }
 
 export interface TokenPairsItem {
-    tokenA: TokenTradeInfo;
-    tokenB: TokenTradeInfo;
+	tokenA: TokenTradeInfo;
+	tokenB: TokenTradeInfo;
 }
 
 export interface TokenTradeInfo {
-    address: string;
-    minAmount: BigNumber;
-    maxAmount: BigNumber;
-    precision: number;
+	address: string;
+	minAmount: BigNumber;
+	maxAmount: BigNumber;
+	precision: number;
 }
 
 export interface OrdersRequest {
-    exchangeContractAddress?: string;
-    tokenAddress?: string;
-    makerTokenAddress?: string;
-    takerTokenAddress?: string;
-    maker?: string;
-    taker?: string;
-    trader?: string;
-    feeRecipient?: string;
+	exchangeContractAddress?: string;
+	tokenAddress?: string;
+	makerTokenAddress?: string;
+	takerTokenAddress?: string;
+	maker?: string;
+	taker?: string;
+	trader?: string;
+	feeRecipient?: string;
 }
 
 export interface OrderbookRequest {
-    baseTokenAddress: string;
-    quoteTokenAddress: string;
+	baseTokenAddress: string;
+	quoteTokenAddress: string;
 }
 
 export interface OrderbookResponse {
-    bids: SignedOrder[];
-    asks: SignedOrder[];
+	bids: SignedOrder[];
+	asks: SignedOrder[];
 }
 
 export interface FeesRequest {
-    exchangeContractAddress: string;
-    maker: string;
-    taker: string;
-    makerTokenAddress: string;
-    takerTokenAddress: string;
-    makerTokenAmount: BigNumber;
-    takerTokenAmount: BigNumber;
-    expirationUnixTimestampSec: BigNumber;
-    salt: BigNumber;
+	exchangeContractAddress: string;
+	maker: string;
+	taker: string;
+	makerTokenAddress: string;
+	takerTokenAddress: string;
+	makerTokenAmount: BigNumber;
+	takerTokenAmount: BigNumber;
+	expirationUnixTimestampSec: BigNumber;
+	salt: BigNumber;
 }
 
 export interface FeesResponse {
-    feeRecipient: string;
-    makerFee: BigNumber;
-    takerFee: BigNumber;
+	feeRecipient: string;
+	makerFee: BigNumber;
+	takerFee: BigNumber;
 }
 
 export interface HttpRequestOptions {
-    params?: object;
-    payload?: object;
+	params?: object;
+	payload?: object;
 }
 
 export enum HttpRequestType {
-    Get = 'GET',
-    Post = 'POST',
+	Get = 'GET',
+	Post = 'POST',
 }
diff --git a/packages/connect/src/utils/orderbook_channel_message_parser.ts b/packages/connect/src/utils/orderbook_channel_message_parser.ts
index 9a9ca8901..c5dd2ee2e 100644
--- a/packages/connect/src/utils/orderbook_channel_message_parser.ts
+++ b/packages/connect/src/utils/orderbook_channel_message_parser.ts
@@ -7,31 +7,31 @@ import { OrderbookChannelMessage, OrderbookChannelMessageTypes } from '../types'
 import { relayerResponseJsonParsers } from './relayer_response_json_parsers';
 
 export const orderbookChannelMessageParser = {
-    parse(utf8Data: string): OrderbookChannelMessage {
-        const messageObj = JSON.parse(utf8Data);
-        const type: string = _.get(messageObj, 'type');
-        assert.assert(!_.isUndefined(type), `Message is missing a type parameter: ${utf8Data}`);
-        assert.isString('type', type);
-        switch (type) {
-            case OrderbookChannelMessageTypes.Snapshot: {
-                assert.doesConformToSchema('message', messageObj, schemas.relayerApiOrderbookChannelSnapshotSchema);
-                const orderbookJson = messageObj.payload;
-                const orderbook = relayerResponseJsonParsers.parseOrderbookResponseJson(orderbookJson);
-                return _.assign(messageObj, { payload: orderbook });
-            }
-            case OrderbookChannelMessageTypes.Update: {
-                assert.doesConformToSchema('message', messageObj, schemas.relayerApiOrderbookChannelUpdateSchema);
-                const orderJson = messageObj.payload;
-                const order = relayerResponseJsonParsers.parseOrderJson(orderJson);
-                return _.assign(messageObj, { payload: order });
-            }
-            default: {
-                return {
-                    type: OrderbookChannelMessageTypes.Unknown,
-                    requestId: 0,
-                    payload: undefined,
-                };
-            }
-        }
-    },
+	parse(utf8Data: string): OrderbookChannelMessage {
+		const messageObj = JSON.parse(utf8Data);
+		const type: string = _.get(messageObj, 'type');
+		assert.assert(!_.isUndefined(type), `Message is missing a type parameter: ${utf8Data}`);
+		assert.isString('type', type);
+		switch (type) {
+			case OrderbookChannelMessageTypes.Snapshot: {
+				assert.doesConformToSchema('message', messageObj, schemas.relayerApiOrderbookChannelSnapshotSchema);
+				const orderbookJson = messageObj.payload;
+				const orderbook = relayerResponseJsonParsers.parseOrderbookResponseJson(orderbookJson);
+				return _.assign(messageObj, { payload: orderbook });
+			}
+			case OrderbookChannelMessageTypes.Update: {
+				assert.doesConformToSchema('message', messageObj, schemas.relayerApiOrderbookChannelUpdateSchema);
+				const orderJson = messageObj.payload;
+				const order = relayerResponseJsonParsers.parseOrderJson(orderJson);
+				return _.assign(messageObj, { payload: order });
+			}
+			default: {
+				return {
+					type: OrderbookChannelMessageTypes.Unknown,
+					requestId: 0,
+					payload: undefined,
+				};
+			}
+		}
+	},
 };
diff --git a/packages/connect/src/utils/relayer_response_json_parsers.ts b/packages/connect/src/utils/relayer_response_json_parsers.ts
index 668461bf4..b6c5decaf 100644
--- a/packages/connect/src/utils/relayer_response_json_parsers.ts
+++ b/packages/connect/src/utils/relayer_response_json_parsers.ts
@@ -7,31 +7,31 @@ import { FeesResponse, OrderbookResponse, SignedOrder, TokenPairsItem } from '..
 import { typeConverters } from './type_converters';
 
 export const relayerResponseJsonParsers = {
-    parseTokenPairsJson(json: any): TokenPairsItem[] {
-        assert.doesConformToSchema('tokenPairs', json, schemas.relayerApiTokenPairsResponseSchema);
-        return json.map((tokenPair: any) => {
-            return typeConverters.convertStringsFieldsToBigNumbers(tokenPair, [
-                'tokenA.minAmount',
-                'tokenA.maxAmount',
-                'tokenB.minAmount',
-                'tokenB.maxAmount',
-            ]);
-        });
-    },
-    parseOrdersJson(json: any): SignedOrder[] {
-        assert.doesConformToSchema('orders', json, schemas.signedOrdersSchema);
-        return json.map((order: object) => typeConverters.convertOrderStringFieldsToBigNumber(order));
-    },
-    parseOrderJson(json: any): SignedOrder {
-        assert.doesConformToSchema('order', json, schemas.signedOrderSchema);
-        return typeConverters.convertOrderStringFieldsToBigNumber(json);
-    },
-    parseOrderbookResponseJson(json: any): OrderbookResponse {
-        assert.doesConformToSchema('orderBook', json, schemas.relayerApiOrderBookResponseSchema);
-        return typeConverters.convertOrderbookStringFieldsToBigNumber(json);
-    },
-    parseFeesResponseJson(json: any): FeesResponse {
-        assert.doesConformToSchema('fees', json, schemas.relayerApiFeesResponseSchema);
-        return typeConverters.convertStringsFieldsToBigNumbers(json, ['makerFee', 'takerFee']);
-    },
+	parseTokenPairsJson(json: any): TokenPairsItem[] {
+		assert.doesConformToSchema('tokenPairs', json, schemas.relayerApiTokenPairsResponseSchema);
+		return json.map((tokenPair: any) => {
+			return typeConverters.convertStringsFieldsToBigNumbers(tokenPair, [
+				'tokenA.minAmount',
+				'tokenA.maxAmount',
+				'tokenB.minAmount',
+				'tokenB.maxAmount',
+			]);
+		});
+	},
+	parseOrdersJson(json: any): SignedOrder[] {
+		assert.doesConformToSchema('orders', json, schemas.signedOrdersSchema);
+		return json.map((order: object) => typeConverters.convertOrderStringFieldsToBigNumber(order));
+	},
+	parseOrderJson(json: any): SignedOrder {
+		assert.doesConformToSchema('order', json, schemas.signedOrderSchema);
+		return typeConverters.convertOrderStringFieldsToBigNumber(json);
+	},
+	parseOrderbookResponseJson(json: any): OrderbookResponse {
+		assert.doesConformToSchema('orderBook', json, schemas.relayerApiOrderBookResponseSchema);
+		return typeConverters.convertOrderbookStringFieldsToBigNumber(json);
+	},
+	parseFeesResponseJson(json: any): FeesResponse {
+		assert.doesConformToSchema('fees', json, schemas.relayerApiFeesResponseSchema);
+		return typeConverters.convertStringsFieldsToBigNumbers(json, ['makerFee', 'takerFee']);
+	},
 };
diff --git a/packages/connect/src/utils/type_converters.ts b/packages/connect/src/utils/type_converters.ts
index c1808ce8a..beea557c2 100644
--- a/packages/connect/src/utils/type_converters.ts
+++ b/packages/connect/src/utils/type_converters.ts
@@ -2,29 +2,29 @@ import { BigNumber } from '@0xproject/utils';
 import * as _ from 'lodash';
 
 export const typeConverters = {
-    convertOrderbookStringFieldsToBigNumber(orderbook: any): any {
-        const bids = _.get(orderbook, 'bids', []);
-        const asks = _.get(orderbook, 'asks', []);
-        return {
-            bids: bids.map((order: any) => this.convertOrderStringFieldsToBigNumber(order)),
-            asks: asks.map((order: any) => this.convertOrderStringFieldsToBigNumber(order)),
-        };
-    },
-    convertOrderStringFieldsToBigNumber(order: any): any {
-        return this.convertStringsFieldsToBigNumbers(order, [
-            'makerTokenAmount',
-            'takerTokenAmount',
-            'makerFee',
-            'takerFee',
-            'expirationUnixTimestampSec',
-            'salt',
-        ]);
-    },
-    convertStringsFieldsToBigNumbers(obj: any, fields: string[]): any {
-        const result = _.assign({}, obj);
-        _.each(fields, field => {
-            _.update(result, field, (value: string) => new BigNumber(value));
-        });
-        return result;
-    },
+	convertOrderbookStringFieldsToBigNumber(orderbook: any): any {
+		const bids = _.get(orderbook, 'bids', []);
+		const asks = _.get(orderbook, 'asks', []);
+		return {
+			bids: bids.map((order: any) => this.convertOrderStringFieldsToBigNumber(order)),
+			asks: asks.map((order: any) => this.convertOrderStringFieldsToBigNumber(order)),
+		};
+	},
+	convertOrderStringFieldsToBigNumber(order: any): any {
+		return this.convertStringsFieldsToBigNumbers(order, [
+			'makerTokenAmount',
+			'takerTokenAmount',
+			'makerFee',
+			'takerFee',
+			'expirationUnixTimestampSec',
+			'salt',
+		]);
+	},
+	convertStringsFieldsToBigNumbers(obj: any, fields: string[]): any {
+		const result = _.assign({}, obj);
+		_.each(fields, field => {
+			_.update(result, field, (value: string) => new BigNumber(value));
+		});
+		return result;
+	},
 };
diff --git a/packages/connect/src/ws_orderbook_channel.ts b/packages/connect/src/ws_orderbook_channel.ts
index 822a022f4..bbb47c649 100644
--- a/packages/connect/src/ws_orderbook_channel.ts
+++ b/packages/connect/src/ws_orderbook_channel.ts
@@ -4,12 +4,12 @@ import * as _ from 'lodash';
 import * as WebSocket from 'websocket';
 
 import {
-    OrderbookChannel,
-    OrderbookChannelHandler,
-    OrderbookChannelMessageTypes,
-    OrderbookChannelSubscriptionOpts,
-    WebsocketClientEventType,
-    WebsocketConnectionEventType,
+	OrderbookChannel,
+	OrderbookChannelHandler,
+	OrderbookChannelMessageTypes,
+	OrderbookChannelSubscriptionOpts,
+	WebsocketClientEventType,
+	WebsocketConnectionEventType,
 } from './types';
 import { orderbookChannelMessageParser } from './utils/orderbook_channel_message_parser';
 
@@ -18,117 +18,117 @@ import { orderbookChannelMessageParser } from './utils/orderbook_channel_message
  * that implements the standard relayer API v0
  */
 export class WebSocketOrderbookChannel implements OrderbookChannel {
-    private _apiEndpointUrl: string;
-    private _client: WebSocket.client;
-    private _connectionIfExists?: WebSocket.connection;
-    private _subscriptionCounter = 0;
-    /**
-     * Instantiates a new WebSocketOrderbookChannel instance
-     * @param   url                 The relayer API base WS url you would like to interact with
-     * @return  An instance of WebSocketOrderbookChannel
-     */
-    constructor(url: string) {
-        assert.isUri('url', url);
-        this._apiEndpointUrl = url;
-        this._client = new WebSocket.client();
-    }
-    /**
-     * Subscribe to orderbook snapshots and updates from the websocket
-     * @param   subscriptionOpts     An OrderbookChannelSubscriptionOpts instance describing which
-     *                               token pair to subscribe to
-     * @param   handler              An OrderbookChannelHandler instance that responds to various
-     *                               channel updates
-     */
-    public subscribe(subscriptionOpts: OrderbookChannelSubscriptionOpts, handler: OrderbookChannelHandler): void {
-        assert.doesConformToSchema(
-            'subscriptionOpts',
-            subscriptionOpts,
-            schemas.relayerApiOrderbookChannelSubscribePayload,
-        );
-        assert.isFunction('handler.onSnapshot', _.get(handler, 'onSnapshot'));
-        assert.isFunction('handler.onUpdate', _.get(handler, 'onUpdate'));
-        assert.isFunction('handler.onError', _.get(handler, 'onError'));
-        assert.isFunction('handler.onClose', _.get(handler, 'onClose'));
-        this._subscriptionCounter += 1;
-        const subscribeMessage = {
-            type: 'subscribe',
-            channel: 'orderbook',
-            requestId: this._subscriptionCounter,
-            payload: subscriptionOpts,
-        };
-        this._getConnection((error, connection) => {
-            if (!_.isUndefined(error)) {
-                handler.onError(this, subscriptionOpts, error);
-            } else if (!_.isUndefined(connection) && connection.connected) {
-                connection.on(WebsocketConnectionEventType.Error, wsError => {
-                    handler.onError(this, subscriptionOpts, wsError);
-                });
-                connection.on(WebsocketConnectionEventType.Close, () => {
-                    handler.onClose(this, subscriptionOpts);
-                });
-                connection.on(WebsocketConnectionEventType.Message, message => {
-                    this._handleWebSocketMessage(subscribeMessage.requestId, subscriptionOpts, message, handler);
-                });
-                connection.sendUTF(JSON.stringify(subscribeMessage));
-            }
-        });
-    }
-    /**
-     * Close the websocket and stop receiving updates
-     */
-    public close() {
-        if (!_.isUndefined(this._connectionIfExists)) {
-            this._connectionIfExists.close();
-        }
-    }
-    private _getConnection(callback: (error?: Error, connection?: WebSocket.connection) => void) {
-        if (!_.isUndefined(this._connectionIfExists) && this._connectionIfExists.connected) {
-            callback(undefined, this._connectionIfExists);
-        } else {
-            this._client.on(WebsocketClientEventType.Connect, connection => {
-                this._connectionIfExists = connection;
-                callback(undefined, this._connectionIfExists);
-            });
-            this._client.on(WebsocketClientEventType.ConnectFailed, error => {
-                callback(error, undefined);
-            });
-            this._client.connect(this._apiEndpointUrl);
-        }
-    }
-    private _handleWebSocketMessage(
-        requestId: number,
-        subscriptionOpts: OrderbookChannelSubscriptionOpts,
-        message: WebSocket.IMessage,
-        handler: OrderbookChannelHandler,
-    ): void {
-        if (!_.isUndefined(message.utf8Data)) {
-            try {
-                const utf8Data = message.utf8Data;
-                const parserResult = orderbookChannelMessageParser.parse(utf8Data);
-                if (parserResult.requestId === requestId) {
-                    switch (parserResult.type) {
-                        case OrderbookChannelMessageTypes.Snapshot: {
-                            handler.onSnapshot(this, subscriptionOpts, parserResult.payload);
-                            break;
-                        }
-                        case OrderbookChannelMessageTypes.Update: {
-                            handler.onUpdate(this, subscriptionOpts, parserResult.payload);
-                            break;
-                        }
-                        default: {
-                            handler.onError(
-                                this,
-                                subscriptionOpts,
-                                new Error(`Message has missing a type parameter: ${utf8Data}`),
-                            );
-                        }
-                    }
-                }
-            } catch (error) {
-                handler.onError(this, subscriptionOpts, error);
-            }
-        } else {
-            handler.onError(this, subscriptionOpts, new Error(`Message does not contain utf8Data`));
-        }
-    }
+	private _apiEndpointUrl: string;
+	private _client: WebSocket.client;
+	private _connectionIfExists?: WebSocket.connection;
+	private _subscriptionCounter = 0;
+	/**
+	 * Instantiates a new WebSocketOrderbookChannel instance
+	 * @param   url                 The relayer API base WS url you would like to interact with
+	 * @return  An instance of WebSocketOrderbookChannel
+	 */
+	constructor(url: string) {
+		assert.isUri('url', url);
+		this._apiEndpointUrl = url;
+		this._client = new WebSocket.client();
+	}
+	/**
+	 * Subscribe to orderbook snapshots and updates from the websocket
+	 * @param   subscriptionOpts     An OrderbookChannelSubscriptionOpts instance describing which
+	 *                               token pair to subscribe to
+	 * @param   handler              An OrderbookChannelHandler instance that responds to various
+	 *                               channel updates
+	 */
+	public subscribe(subscriptionOpts: OrderbookChannelSubscriptionOpts, handler: OrderbookChannelHandler): void {
+		assert.doesConformToSchema(
+			'subscriptionOpts',
+			subscriptionOpts,
+			schemas.relayerApiOrderbookChannelSubscribePayload,
+		);
+		assert.isFunction('handler.onSnapshot', _.get(handler, 'onSnapshot'));
+		assert.isFunction('handler.onUpdate', _.get(handler, 'onUpdate'));
+		assert.isFunction('handler.onError', _.get(handler, 'onError'));
+		assert.isFunction('handler.onClose', _.get(handler, 'onClose'));
+		this._subscriptionCounter += 1;
+		const subscribeMessage = {
+			type: 'subscribe',
+			channel: 'orderbook',
+			requestId: this._subscriptionCounter,
+			payload: subscriptionOpts,
+		};
+		this._getConnection((error, connection) => {
+			if (!_.isUndefined(error)) {
+				handler.onError(this, subscriptionOpts, error);
+			} else if (!_.isUndefined(connection) && connection.connected) {
+				connection.on(WebsocketConnectionEventType.Error, wsError => {
+					handler.onError(this, subscriptionOpts, wsError);
+				});
+				connection.on(WebsocketConnectionEventType.Close, () => {
+					handler.onClose(this, subscriptionOpts);
+				});
+				connection.on(WebsocketConnectionEventType.Message, message => {
+					this._handleWebSocketMessage(subscribeMessage.requestId, subscriptionOpts, message, handler);
+				});
+				connection.sendUTF(JSON.stringify(subscribeMessage));
+			}
+		});
+	}
+	/**
+	 * Close the websocket and stop receiving updates
+	 */
+	public close() {
+		if (!_.isUndefined(this._connectionIfExists)) {
+			this._connectionIfExists.close();
+		}
+	}
+	private _getConnection(callback: (error?: Error, connection?: WebSocket.connection) => void) {
+		if (!_.isUndefined(this._connectionIfExists) && this._connectionIfExists.connected) {
+			callback(undefined, this._connectionIfExists);
+		} else {
+			this._client.on(WebsocketClientEventType.Connect, connection => {
+				this._connectionIfExists = connection;
+				callback(undefined, this._connectionIfExists);
+			});
+			this._client.on(WebsocketClientEventType.ConnectFailed, error => {
+				callback(error, undefined);
+			});
+			this._client.connect(this._apiEndpointUrl);
+		}
+	}
+	private _handleWebSocketMessage(
+		requestId: number,
+		subscriptionOpts: OrderbookChannelSubscriptionOpts,
+		message: WebSocket.IMessage,
+		handler: OrderbookChannelHandler,
+	): void {
+		if (!_.isUndefined(message.utf8Data)) {
+			try {
+				const utf8Data = message.utf8Data;
+				const parserResult = orderbookChannelMessageParser.parse(utf8Data);
+				if (parserResult.requestId === requestId) {
+					switch (parserResult.type) {
+						case OrderbookChannelMessageTypes.Snapshot: {
+							handler.onSnapshot(this, subscriptionOpts, parserResult.payload);
+							break;
+						}
+						case OrderbookChannelMessageTypes.Update: {
+							handler.onUpdate(this, subscriptionOpts, parserResult.payload);
+							break;
+						}
+						default: {
+							handler.onError(
+								this,
+								subscriptionOpts,
+								new Error(`Message has missing a type parameter: ${utf8Data}`),
+							);
+						}
+					}
+				}
+			} catch (error) {
+				handler.onError(this, subscriptionOpts, error);
+			}
+		} else {
+			handler.onError(this, subscriptionOpts, new Error(`Message does not contain utf8Data`));
+		}
+	}
 }