Don't use private transport in subscriptions

src/subscriptions/eth.js

@@ -26,7 +26,7 @@ class Eth {
     this._pollTimerId = null;
     this._pollBlockNumber = this._pollBlockNumber.bind(this);
 
-    this._api.transport.on('close', () => {
+    this._api.provider.on('close', () => {
       if (this.isStarted) {
         this.start();
       }
@@ -70,7 +70,7 @@ class Eth {
       }
     };
 
-    if (!this._api.transport.isConnected) {
+    if (!this._api.provider.isConnected) {
       nextTimeout(500, true);
       return;
     }

src/subscriptions/eth.spec.js

@@ -30,7 +30,7 @@ function stubApi (blockNumber) {
 
   return {
     _calls,
-    transport: {
+    provider: {
       isConnected: true,
       on: () => {}
     },

src/subscriptions/manager.spec.js

@@ -26,7 +26,7 @@ function newStub () {
   const start = () => manager._updateSubscriptions(manager.__test, null, 'test');
 
   const manager = new Manager({
-    transport: {
+    provider: {
       isConnected: true,
       on: sinon.stub()
     }

src/subscriptions/personal.js

@@ -28,7 +28,7 @@ class Personal {
     this._defaultAccount = this._defaultAccount.bind(this);
     this._listAccounts = this._listAccounts.bind(this);
 
-    this._api.transport.on('close', () => {
+    this._api.provider.on('close', () => {
       if (this.isStarted) {
         this.start();
       }
@@ -85,7 +85,7 @@ class Personal {
       }
     };
 
-    if (!this._api.transport.isConnected) {
+    if (!this._api.isConnected) {
       nextTimeout(500);
       return;
     }

src/subscriptions/personal.spec.js

@@ -38,7 +38,8 @@ function stubApi (accounts, info) {
 
   return {
     _calls,
-    transport: {
+    isConnected: true,
+    provider: {
       isConnected: true,
       on: sinon.stub()
     },

src/subscriptions/signer.js

@@ -25,7 +25,7 @@ class Signer {
 
     this._listRequests = this._listRequests.bind(this);
 
-    this._api.transport.on('close', () => {
+    this._api.provider.on('close', () => {
       if (this.isStarted) {
         this.start();
       }
@@ -74,7 +74,7 @@ class Signer {
       }
     };
 
-    if (!this._api.transport.isConnected) {
+    if (!this._api.isConnected) {
       nextTimeout(500, true);
       return;
     }

src/util/wei.js

@@ -25,7 +25,7 @@ function _getUnitMultiplier (unit) {
     throw new Error(`Unknown unit ${unit} passed to wei formatter`);
   }
 
-  return 10 ** (position * 3);
+  return Math.pow(10, position * 3);
 }
 
 function fromWei (value, unit = 'ether') {

src/util/wei.spec.js

@@ -19,15 +19,15 @@ const { _getUnitMultiplier, fromWei, toWei } = require('./wei');
 describe('util/wei', () => {
   describe('_getUnitMultiplier', () => {
     it('returns 10^0 for wei', () => {
-      expect(_getUnitMultiplier('wei')).to.equal(10 ** 0);
+      expect(_getUnitMultiplier('wei')).to.equal(Math.pow(10, 0));
     });
 
     it('returns 10^15 for finney', () => {
-      expect(_getUnitMultiplier('finney')).to.equal(10 ** 15);
+      expect(_getUnitMultiplier('finney')).to.equal(Math.pow(10, 15));
     });
 
     it('returns 10^18 for ether', () => {
-      expect(_getUnitMultiplier('ether')).to.equal(10 ** 18);
+      expect(_getUnitMultiplier('ether')).to.equal(Math.pow(10, 18));
     });
 
     it('throws an error on invalid units', () => {