Remove web3Factory.create and remove dev-tools dependency on sol-cov

packages/dev-utils/src/web3_factory.ts

@@ -13,16 +13,8 @@ import * as _ from 'lodash';
 import * as process from 'process';
 
 import { constants } from './constants';
-import { coverage } from './coverage';
 import { env, EnvVars } from './env';
 
-// HACK: web3 leaks XMLHttpRequest into the global scope and causes requests to hang
-// because they are using the wrong XHR package.
-// importing web3 after subproviders fixes this issue
-// Filed issue: https://github.com/ethereum/web3.js/issues/844
-// tslint:disable-next-line:ordered-imports
-import * as Web3 from 'web3';
-
 export interface Web3Config {
     hasAddresses?: boolean; // default: true
     shouldUseInProcessGanache?: boolean; // default: false
@@ -30,18 +22,8 @@ export interface Web3Config {
 }
 
 export const web3Factory = {
-    create(config: Web3Config = {}): Web3 {
-        const provider = this.getRpcProvider(config);
-        const web3 = new Web3();
-        web3.setProvider(provider);
-        return web3;
-    },
-    getRpcProvider(config: Web3Config = {}): Provider {
+    getRpcProvider(config: Web3Config = {}): ProviderEngine {
         const provider = new ProviderEngine();
-        const isCoverageEnabled = env.parseBoolean(EnvVars.SolidityCoverage);
-        if (isCoverageEnabled) {
-            provider.addProvider(coverage.getCoverageSubproviderSingleton());
-        }
         const hasAddresses = _.isUndefined(config.hasAddresses) || config.hasAddresses;
         if (!hasAddresses) {
             provider.addProvider(new EmptyWalletSubprovider());