Use PKWalletSubprovider in testnet faucet

1 files changed, 5 insertions, 2 deletions

diff --git a/packages/testnet-faucets/src/ts/handler.ts b/packages/testnet-faucets/src/ts/handler.ts
index f9ac484de..9c8e59248 100644
--- a/packages/testnet-faucets/src/ts/handler.ts
+++ b/packages/testnet-faucets/src/ts/handler.ts
@@ -9,7 +9,7 @@ import * as Web3 from 'web3';
 // we are not running in a browser env.
 // Filed issue: https://github.com/ethereum/web3.js/issues/844
 (global as any).XMLHttpRequest = undefined;
-import { NonceTrackerSubprovider } from '@0xproject/subproviders';
+import { NonceTrackerSubprovider, PKWalletSubprovider } from '@0xproject/subproviders';
 import ProviderEngine = require('web3-provider-engine');
 import HookedWalletSubprovider = require('web3-provider-engine/subproviders/hooked-wallet');
 import RpcSubprovider = require('web3-provider-engine/subproviders/rpc');
@@ -41,9 +41,12 @@ const FIVE_DAYS_IN_MS = 4.32e8; // TODO: make this configurable
 export class Handler {
     private _networkConfigByNetworkId: ItemByNetworkId<NetworkConfig> = {};
     private static _createProviderEngine(rpcUrl: string) {
+        if (_.isUndefined(configs.DISPENSER_PRIVATE_KEY)) {
+            throw new Error('Dispenser Private key not found');
+        }
         const engine = new ProviderEngine();
         engine.addProvider(new NonceTrackerSubprovider());
-        engine.addProvider(new HookedWalletSubprovider(idManagement));
+        engine.addProvider(new PKWalletSubprovider(configs.DISPENSER_PRIVATE_KEY));
         engine.addProvider(
             new RpcSubprovider({
                 rpcUrl,