1 files changed, 55 insertions, 55 deletions
diff --git a/packages/0x.js/src/contract_wrappers/token_transfer_proxy_wrapper.ts b/packages/0x.js/src/contract_wrappers/token_transfer_proxy_wrapper.ts
index 635588fed..f5d9d108a 100644
--- a/packages/0x.js/src/contract_wrappers/token_transfer_proxy_wrapper.ts
+++ b/packages/0x.js/src/contract_wrappers/token_transfer_proxy_wrapper.ts
@@ -10,59 +10,59 @@ import { TokenTransferProxyContract } from './generated/token_transfer_proxy';
  * This class includes the functionality related to interacting with the TokenTransferProxy contract.
  */
 export class TokenTransferProxyWrapper extends ContractWrapper {
-	private _tokenTransferProxyContractIfExists?: TokenTransferProxyContract;
-	private _contractAddressIfExists?: string;
-	constructor(web3Wrapper: Web3Wrapper, networkId: number, contractAddressIfExists?: string) {
-		super(web3Wrapper, networkId);
-		this._contractAddressIfExists = contractAddressIfExists;
-	}
-	/**
-	 * Check if the Exchange contract address is authorized by the TokenTransferProxy contract.
-	 * @param   exchangeContractAddress     The hex encoded address of the Exchange contract to call.
-	 * @return  Whether the exchangeContractAddress is authorized.
-	 */
-	public async isAuthorizedAsync(exchangeContractAddress: string): Promise<boolean> {
-		const tokenTransferProxyContractInstance = await this._getTokenTransferProxyContractAsync();
-		const isAuthorized = await tokenTransferProxyContractInstance.authorized.callAsync(exchangeContractAddress);
-		return isAuthorized;
-	}
-	/**
-	 * Get the list of all Exchange contract addresses authorized by the TokenTransferProxy contract.
-	 * @return  The list of authorized addresses.
-	 */
-	public async getAuthorizedAddressesAsync(): Promise<string[]> {
-		const tokenTransferProxyContractInstance = await this._getTokenTransferProxyContractAsync();
-		const authorizedAddresses = await tokenTransferProxyContractInstance.getAuthorizedAddresses.callAsync();
-		return authorizedAddresses;
-	}
-	/**
-	 * Retrieves the Ethereum address of the TokenTransferProxy contract deployed on the network
-	 * that the user-passed web3 provider is connected to.
-	 * @returns The Ethereum address of the TokenTransferProxy contract being used.
-	 */
-	public getContractAddress(): string {
-		const contractAddress = this._getContractAddress(
-			artifacts.TokenTransferProxyArtifact,
-			this._contractAddressIfExists,
-		);
-		return contractAddress;
-	}
-	private _invalidateContractInstance(): void {
-		delete this._tokenTransferProxyContractIfExists;
-	}
-	private async _getTokenTransferProxyContractAsync(): Promise<TokenTransferProxyContract> {
-		if (!_.isUndefined(this._tokenTransferProxyContractIfExists)) {
-			return this._tokenTransferProxyContractIfExists;
-		}
-		const web3ContractInstance = await this._instantiateContractIfExistsAsync(
-			artifacts.TokenTransferProxyArtifact,
-			this._contractAddressIfExists,
-		);
-		const contractInstance = new TokenTransferProxyContract(
-			web3ContractInstance,
-			this._web3Wrapper.getContractDefaults(),
-		);
-		this._tokenTransferProxyContractIfExists = contractInstance;
-		return this._tokenTransferProxyContractIfExists;
-	}
+    private _tokenTransferProxyContractIfExists?: TokenTransferProxyContract;
+    private _contractAddressIfExists?: string;
+    constructor(web3Wrapper: Web3Wrapper, networkId: number, contractAddressIfExists?: string) {
+        super(web3Wrapper, networkId);
+        this._contractAddressIfExists = contractAddressIfExists;
+    }
+    /**
+     * Check if the Exchange contract address is authorized by the TokenTransferProxy contract.
+     * @param   exchangeContractAddress     The hex encoded address of the Exchange contract to call.
+     * @return  Whether the exchangeContractAddress is authorized.
+     */
+    public async isAuthorizedAsync(exchangeContractAddress: string): Promise<boolean> {
+        const tokenTransferProxyContractInstance = await this._getTokenTransferProxyContractAsync();
+        const isAuthorized = await tokenTransferProxyContractInstance.authorized.callAsync(exchangeContractAddress);
+        return isAuthorized;
+    }
+    /**
+     * Get the list of all Exchange contract addresses authorized by the TokenTransferProxy contract.
+     * @return  The list of authorized addresses.
+     */
+    public async getAuthorizedAddressesAsync(): Promise<string[]> {
+        const tokenTransferProxyContractInstance = await this._getTokenTransferProxyContractAsync();
+        const authorizedAddresses = await tokenTransferProxyContractInstance.getAuthorizedAddresses.callAsync();
+        return authorizedAddresses;
+    }
+    /**
+     * Retrieves the Ethereum address of the TokenTransferProxy contract deployed on the network
+     * that the user-passed web3 provider is connected to.
+     * @returns The Ethereum address of the TokenTransferProxy contract being used.
+     */
+    public getContractAddress(): string {
+        const contractAddress = this._getContractAddress(
+            artifacts.TokenTransferProxyArtifact,
+            this._contractAddressIfExists,
+        );
+        return contractAddress;
+    }
+    private _invalidateContractInstance(): void {
+        delete this._tokenTransferProxyContractIfExists;
+    }
+    private async _getTokenTransferProxyContractAsync(): Promise<TokenTransferProxyContract> {
+        if (!_.isUndefined(this._tokenTransferProxyContractIfExists)) {
+            return this._tokenTransferProxyContractIfExists;
+        }
+        const web3ContractInstance = await this._instantiateContractIfExistsAsync(
+            artifacts.TokenTransferProxyArtifact,
+            this._contractAddressIfExists,
+        );
+        const contractInstance = new TokenTransferProxyContract(
+            web3ContractInstance,
+            this._web3Wrapper.getContractDefaults(),
+        );
+        this._tokenTransferProxyContractIfExists = contractInstance;
+        return this._tokenTransferProxyContractIfExists;
+    }
 }