StateManager: Do not throw calling getContractStorage on non-existing accounts

packages/statemanager/src/stateManager.ts

@@ -326,7 +326,7 @@ export class DefaultStateManager implements StateManagerInterface {
 
  const account = await this.getAccount(address)
  if (!account) {
- throw new Error('getStorage() called on non-existing account')
+ return new Uint8Array()
  }
  const trie = this._getStorageTrie(address, account)
  const value = await trie.get(key)
@@ -544,7 +544,6 @@ export class DefaultStateManager implements StateManagerInterface {
  await this.flush()
  const account = await this.getAccount(address)
  if (!account) {
- // throw new Error(`getProof() can only be called for an existing account`)
  const returnValue: Proof = {
  address: address.toString(),
  balance: '0x0',

packages/statemanager/test/stateManager.spec.ts

@@ -11,6 +11,7 @@ import {
  intToBytes,
  setLengthLeft,
  utf8ToBytes,
+ zeros,
 } from '@ethereumjs/util'
 import { assert, describe, it } from 'vitest'
 
@@ -43,6 +44,17 @@ describe('StateManager -> General', () => {
  assert.deepEqual(res, KECCAK256_RLP, 'it has default root')
  })
 
+ it('should not throw on getContractStorage() on non-existing accounts', async () => {
+ const sm = new DefaultStateManager()
+
+ try {
+ const storage = await sm.getStorage(createZeroAddress(), zeros(32))
+ assert.ok(equalsBytes(storage, new Uint8Array()))
+ } catch {
+ assert.fail('should not throw')
+ }
+ })
+
  it(`should clear contract storage`, async () => {
  const sm = new DefaultStateManager()