add Sepolia and Goerli provider

apps/remix-ide/src/app.js

@@ -29,6 +29,8 @@ import { NotificationPlugin } from './app/plugins/notification'
 import { Blockchain } from './blockchain/blockchain.js'
 import { BerlinVMProvider, LondonVMProvider } from './app/providers/vm-provider'
 import { MainnetForkVMProvider } from './app/providers/mainnet-vm-fork-provider'
+import { SepoliaForkVMProvider } from './app/providers/sepolia-vm-fork-provider'
+import { GoerliForkVMProvider } from './app/providers/goerli-vm-fork-provider'
 import { CustomForkVMProvider } from './app/providers/custom-vm-fork-provider'
 import { HardhatProvider } from './app/providers/hardhat-provider'
 import { GanacheProvider } from './app/providers/ganache-provider'
@@ -207,6 +209,8 @@ class AppComponent {
     const web3Provider = new Web3ProviderModule(blockchain)
     const vmProviderCustomFork = new CustomForkVMProvider(blockchain)
     const vmProviderMainnetFork = new MainnetForkVMProvider(blockchain)
+    const vmProviderSepoliaFork = new SepoliaForkVMProvider(blockchain)
+    const vmProviderGoerliFork = new GoerliForkVMProvider(blockchain)
     const vmProviderBerlin = new BerlinVMProvider(blockchain)
     const vmProviderLondon = new LondonVMProvider(blockchain)
     const hardhatProvider = new HardhatProvider(blockchain)
@@ -277,6 +281,8 @@ class AppComponent {
       storagePlugin,
       vmProviderBerlin,
       vmProviderLondon,
+      vmProviderSepoliaFork,
+      vmProviderGoerliFork,
       vmProviderMainnetFork,
       vmProviderCustomFork,
       hardhatProvider,

apps/remix-ide/src/app/providers/goerli-vm-fork-provider.tsx

@@ -0,0 +1,29 @@
+import * as packageJson from '../../../../../package.json'
+import { BasicVMProvider } from './vm-provider'
+
+export class GoerliForkVMProvider extends BasicVMProvider {
+  nodeUrl: string
+  blockNumber: number | 'latest'
+  constructor (blockchain) {
+    super({
+      name: 'vm-goerli-fork',
+      displayName: 'Goerli fork - Remix VM (London)',
+      kind: 'provider',
+      description: 'Remix VM (London)',
+      methods: ['sendAsync', 'init'],
+      version: packageJson.version
+    }, blockchain)
+    this.blockchain = blockchain
+    this.fork = 'merge'
+    this.nodeUrl = 'https://remix-sepolia.ethdevops.io'
+    this.blockNumber = 'latest'
+  }
+
+  async init () {
+    return {
+      'fork': this.fork,
+      'nodeUrl': this.nodeUrl,
+      'blockNumber': this.blockNumber
+    }
+  }
+}

apps/remix-ide/src/app/providers/sepolia-vm-fork-provider.tsx

@@ -0,0 +1,29 @@
+import * as packageJson from '../../../../../package.json'
+import { BasicVMProvider } from './vm-provider'
+
+export class SepoliaForkVMProvider extends BasicVMProvider {
+  nodeUrl: string
+  blockNumber: number | 'latest'
+  constructor (blockchain) {
+    super({
+      name: 'vm-sepolia-fork',
+      displayName: 'Sepolia fork - Remix VM (London)',
+      kind: 'provider',
+      description: 'Remix VM (London)',
+      methods: ['sendAsync', 'init'],
+      version: packageJson.version
+    }, blockchain)
+    this.blockchain = blockchain
+    this.fork = 'merge'
+    this.nodeUrl = 'https://remix-sepolia.ethdevops.io'
+    this.blockNumber = 'latest'
+  }
+
+  async init () {
+    return {
+      'fork': this.fork,
+      'nodeUrl': this.nodeUrl,
+      'blockNumber': this.blockNumber
+    }
+  }
+}

apps/remix-ide/src/app/udapp/run-tab.js

@@ -136,6 +136,8 @@ export class RunTab extends ViewPlugin {
     await addProvider('vm-london', 'Remix VM (London)', false, true, 'london', 'settingsVMLondonMode', titleVM)
     await addProvider('vm-berlin', 'Remix VM (Berlin)', false, true, 'berlin', 'settingsVMBerlinMode', titleVM)
     await addProvider('vm-mainnet-fork', 'Remix VM - Mainnet fork', false, true, 'london', 'settingsVMMainnetMode', titleVM)
+    await addProvider('vm-sepolia-fork', 'Remix VM - Sepolia fork', false, true, '', 'settingsVMSepoliaMode', titleVM)
+    await addProvider('vm-goerli-fork', 'Remix VM - Goerli fork', false, true, '', 'settingsVMGoerliMode', titleVM)
     await addProvider('vm-custom-fork', 'Remix VM - Custom fork', false, true, '', 'settingsVMCustomMode', titleVM)
 
     // external provider

libs/remix-simulator/src/genesis.ts

@@ -1,13 +1,18 @@
 import { Block } from '@ethereumjs/block'
+import { ConsensusType } from '@ethereumjs/common'
 
 export function generateBlock (vmContext) {
+  const common = vmContext.vmObject().common
+
+  const difficulty = common.consensusType() === ConsensusType.ProofOfStake ? 0 : 69762765929000
+
   return new Promise((resolve, reject) => {
     const block: Block = Block.fromBlockData({
       header: {
         timestamp: (new Date().getTime() / 1000 | 0),
         number: 0,
         coinbase: '0x0e9281e9c6a0808672eaba6bd1220e144c9bb07a',
-        difficulty: 69762765929000,
+        difficulty,
         gasLimit: 8000000
       }
     }, { common: vmContext.vmObject().common })