EIP 4444 explorations

package.json

@@ -51,9 +51,9 @@
     "vitest": "0.32.2"
   },
   "peerDependencies": {
+    "@vitest/browser": "0.32.2",
     "playwright": "^1.35.1",
-    "webdriverio": "^8.10.7",
-    "@vitest/browser": "0.32.2"
+    "webdriverio": "^8.10.7"
   },
   "peerDependenciesMeta": {
     "playwright": {

packages/client/bin/cli.ts

@@ -402,6 +402,11 @@ const args: ClientOpts = yargs(hideBin(process.argv))
       'Skip executing blocks in new payload calls in engine, alias for --engineNewpayloadMaxExecute=0 and overrides any engineNewpayloadMaxExecute if also provided',
     boolean: true,
   })
+  .option('fourFours', {
+    describe: 'Activate EIP-4444 to prune ancient chain history',
+    boolean: true,
+    default: false,
+  })
   .completion()
   // strict() ensures that yargs throws when an invalid arg is provided
   .strict()
@@ -790,7 +795,11 @@ async function run() {
   }
 
   let customGenesisState: GenesisState | undefined
-  let common = new Common({ chain, hardfork: Hardfork.Chainstart })
+  let common = new Common({
+    chain,
+    hardfork: Hardfork.Chainstart,
+    eips: args.fourFours === true ? [4444] : undefined,
+  })
 
   if (args.dev === true || typeof args.dev === 'string') {
     args.discDns = false
@@ -814,6 +823,7 @@ async function run() {
       common = new Common({
         chain: customChainParams.name,
         customChains: [customChainParams],
+        eips: args.fourFours === true ? [4444] : undefined,
       })
     } catch (err: any) {
       console.error(`invalid chain parameters: ${err.message}`)
@@ -826,6 +836,7 @@ async function run() {
     common = Common.fromGethGenesis(genesisFile, {
       chain: chainName,
       mergeForkIdPostMerge: args.mergeForkIdPostMerge,
+      eips: args.fourFours === true ? [4444] : undefined,
     })
     customGenesisState = parseGethGenesisState(genesisFile)
   }

packages/client/package.json

@@ -86,6 +86,7 @@
     "level": "^8.0.0",
     "memory-level": "^1.0.0",
     "multiaddr": "^10.0.1",
+    "portalnetwork": "../../ultralight",
     "qheap": "^1.4.0",
     "winston": "^3.3.3",
     "winston-daily-rotate-file": "^4.5.5",

packages/client/src/client.ts

@@ -1,3 +1,5 @@
+import { type HistoryNetwork, NetworkId, PortalNetwork } from 'portalnetwork'
+
 import { version as packageVersion } from '../package.json'
 
 import { Chain } from './blockchain'
@@ -70,7 +72,7 @@ export class EthereumClient {
   public config: Config
   public chain: Chain
   public services: (FullEthereumService | LightEthereumService)[] = []
-
+  public history: HistoryNetwork | undefined
   public opened: boolean
   public started: boolean
 
@@ -124,6 +126,11 @@ export class EthereumClient {
     if (this.opened) {
       return false
     }
+    if (this.config.chainCommon.isActivatedEIP(4444)) {
+      // Instantiate portal network if EIP-4444 is activated
+      const portal = await PortalNetwork.create({ supportedNetworks: [NetworkId.HistoryNetwork] })
+      this.history = portal.network()['0x500b']
+    }
     const name = this.config.chainCommon.chainName()
     const chainId = this.config.chainCommon.chainId()
     this.config.logger.info(

packages/client/src/types.ts

@@ -167,4 +167,5 @@ export interface ClientOpts {
   statelessVerkle?: boolean
   engineNewpayloadMaxExecute?: number
   skipEngineExec?: boolean
+  fourFours?: boolean
 }

packages/common/src/eips.ts

@@ -364,6 +364,20 @@ export const EIPs: EIPsDict = {
       },
     },
   },
+  4444: {
+    comment: 'Bound Historical Data in Execution Clients',
+    url: 'https://eips.ethereum.org/EIPS/eip-4444',
+    status: Status.Draft,
+    minimumHardfork: Hardfork.Shanghai,
+    requiredEIPs: [],
+    gasPrices: {},
+    history: {
+      historyPruneEpochs: {
+        v: 82125,
+        d: 'A year in beacon chain epochs',
+      },
+    },
+  },
   4788: {
     comment: 'Beacon block root in the EVM',
     url: 'https://eips.ethereum.org/EIPS/eip-4788',

packages/common/src/types.ts

@@ -152,6 +152,9 @@ export type EIPOrHFConfig = {
   vm?: {
     [key: string]: ParamDict
   }
+  history?: {
+    [key: string]: ParamDict
+  }
 }
 
 export type EIPConfig = {