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-rw-r--r--packages/website/ts/blockchain.ts6
1 files changed, 3 insertions, 3 deletions
diff --git a/packages/website/ts/blockchain.ts b/packages/website/ts/blockchain.ts
index 809da7d4f..76640a072 100644
--- a/packages/website/ts/blockchain.ts
+++ b/packages/website/ts/blockchain.ts
@@ -23,9 +23,9 @@ import {
LedgerWalletSubprovider,
RedundantRPCSubprovider,
} from '@0xproject/subproviders';
+import {promisify} from '@0xproject/utils';
import BigNumber from 'bignumber.js';
import compareVersions = require('compare-versions');
-import promisify = require('es6-promisify');
import ethUtil = require('ethereumjs-util');
import findVersions = require('find-versions');
import * as _ from 'lodash';
@@ -68,7 +68,7 @@ export class Blockchain {
public nodeVersion: string;
private zeroEx: ZeroEx;
private dispatcher: Dispatcher;
- private web3Wrapper: Web3Wrapper;
+ private web3Wrapper?: Web3Wrapper;
private exchangeAddress: string;
private tokenTransferProxy: ContractInstance;
private tokenRegistry: ContractInstance;
@@ -631,7 +631,7 @@ export class Blockchain {
let networkIdIfExists: number;
if (!_.isUndefined(injectedWeb3)) {
try {
- networkIdIfExists = _.parseInt(await promisify(injectedWeb3.version.getNetwork)());
+ networkIdIfExists = _.parseInt(await promisify<string>(injectedWeb3.version.getNetwork)());
} catch (err) {
// Ignore error and proceed with networkId undefined
}