vm: update default vm sm to simple state manager

packages/statemanager/src/simpleStateManager.ts

@@ -141,13 +141,18 @@ export class SimpleStateManager implements StateManagerInterface {
  return copy
  }
 
- // State root functionality not implemented
- getStateRoot(): Promise<Uint8Array> {
- throw new Error('Method not implemented.')
- }
- setStateRoot(): Promise<void> {
- throw new Error('Method not implemented.')
+ /**
+ * @deprecated This method is not used by the RPC State Manager and is a stub required by the State Manager interface
+ */
+ getStateRoot = async () => {
+ return new Uint8Array(32)
  }
+
+ /**
+ * @deprecated This method is not used by the RPC State Manager and is a stub required by the State Manager interface
+ */
+ setStateRoot = async (_root: Uint8Array) => {}
+
  hasStateRoot(): Promise<boolean> {
  throw new Error('Method not implemented.')
  }

packages/vm/src/vm.ts

@@ -1,7 +1,7 @@
 import { createBlockchain } from '@ethereumjs/blockchain'
 import { Common, Mainnet } from '@ethereumjs/common'
 import { createEVM, getActivePrecompiles } from '@ethereumjs/evm'
-import { Caches, DefaultStateManager } from '@ethereumjs/statemanager'
+import { SimpleStateManager } from '@ethereumjs/statemanager'
 import {
  Account,
  Address,
@@ -82,8 +82,7 @@ export class VM {
  }
 
  if (opts.stateManager === undefined) {
- opts.stateManager = new DefaultStateManager({
- caches: new Caches(),
+ opts.stateManager = new SimpleStateManager({
  common: opts.common,
  })
  }