Hardfork

package.json

@@ -182,7 +182,7 @@
     "filesize": "^3.6.1",
     "find-process": "^1.1.0",
     "fs-extra": "^7.0.1",
-    "ganache-core": "2.3.3",
+    "ganache-core": "2.4.0",
     "lodash.clonedeep": "^4.5.0",
     "lodash.isequal": "^4.5.0",
     "lodash.merge": "^4.6.1",

src/Components/AppShell/TopNavbar.js

@@ -114,6 +114,7 @@ class TopNavbar extends Component {
     const blockNumber = this.props.core.latestBlock
     const gasPrice = this.props.core.gasPrice
     const gasLimit = this.props.core.gasLimit
+    const hardfork = this.props.config.settings.server.hardfork
     const snapshots = this.props.core.snapshots
     const isMining = this.props.core.isMining
     const isLogsPage = this.props.location.pathname === '/logs'
@@ -170,6 +171,7 @@ class TopNavbar extends Component {
               title="GAS LIMIT"
               value={gasLimit}
             />
+            <StatusIndicator title="HARDFORK" value={hardfork} />
             <StatusIndicator
               title="NETWORK ID"
               value={this.props.config.settings.server.network_id}

src/Components/Config/ConfigScreens/ChainScreen.js

@@ -2,6 +2,8 @@ import React, { Component } from 'react'
 import connect from '../../Helpers/connect'
 import OnlyIf from '../../../Elements/OnlyIf'
 
+import StyledSelect from '../../../Elements/StyledSelect';
+
 const VALIDATIONS = {
   "server.gasPrice": {
     allowedChars: /^\d*$/,
@@ -14,6 +16,10 @@ const VALIDATIONS = {
     min: 1,
     max: Number.MAX_SAFE_INTEGER,
     canBeBlank: true
+  },
+  "server.hardfork": {
+    allowedChars: /^(byzantium|constantinople)$/,
+    canBeBlank: false
   }
 }
 
@@ -113,6 +119,25 @@ class ChainScreen extends Component {
             </div>
           </div>
         </section>
+        <h2>HARDFORK</h2>
+        <section>
+          <h4>HARDFORK</h4>
+          <div className="Row">
+            <div className="RowItem">
+              <StyledSelect
+                name="server.hardfork"
+                defaultValue={this.props.config.settings.server.hardfork}
+                changeFunction={this.validateChange}
+              >
+                  <option key="constantinople" value="constantinople">Constantinople</option>
+                  <option key="constantinople" value="byzantium">Byzantium</option>
+              </StyledSelect>
+            </div>
+            <div className="RowItem">
+              <p>The hardfork to use. Default is Constantinople.</p>
+            </div>
+          </div>
+        </section>
         {/* <h2>CHAIN FORKING</h2>
         <section>
           <div className="Row">

src/Reducers/Core.js

@@ -13,6 +13,7 @@ const initialState = {
   lastRequestedBlock: -1, // Last block whose data was requested
   gasPrice: "0",
   gasLimit: "0",
+  hardfork: "constantinople",
   snapshots: [],
   systemError: null,
   showBugModal: false,

src/Services/GoogleAnalytics.js

@@ -118,7 +118,8 @@ class GoogleAnalyticsService {
           autoMnemonic: settings.randomizeMnemonicOnStart,
           locked: settings.server.locked,
           gasLimit: settings.server.gasLimit,
-          gasPrice: settings.server.gasPrice
+          gasPrice: settings.server.gasPrice,
+          hardfork: settings.server.hardfork
         }
 
         this.user.set('cd1', config.hostname)
@@ -131,6 +132,7 @@ class GoogleAnalyticsService {
         this.user.set('cd8', config.locked)
         this.user.set('cd9', config.gasLimit)
         this.user.set('cd10', config.gasPrice)
+        this.user.set('cd11', config.hardfork)
       }
     }
   }

src/Services/Settings.js

@@ -24,13 +24,15 @@ const initialSettings = {
     logger: null,
     verbose: false,
     gasLimit: 6721975,
-    gasPrice: 20000000000
+    gasPrice: 20000000000,
+    hardfork: "constantinople"
   }
 }
 
 const defaultSettings = {
   'server.gasLimit': initialSettings.server.gasLimit,
-  'server.gasPrice': initialSettings.server.gasPrice
+  'server.gasPrice': initialSettings.server.gasPrice,
+  'server.hardfork': initialSettings.server.hardfork
 };
 
 class Settings {