ethereumjs · holgerd77 · Jun 28, 2022 · Jun 23, 2022 · Jun 23, 2022 · Jun 28, 2022
diff --git a/packages/block/test/difficulty.spec.ts b/packages/block/test/difficulty.spec.ts
@@ -37,6 +37,8 @@ const hardforkTestData: TestData = {
   arrowGlacier:
     require('../../ethereum-tests/DifficultyTests/dfArrowGlacier/difficultyArrowGlacier.json')
       .difficultyArrowGlacier.ArrowGlacier,
+  grayGlacier: require('./testdata/dfGrayGlacier/difficultyGrayGlacier.json').difficultyGrayGlacier
+    .GrayGlacier,
 }
 
 const chainTestData: TestData = {

diff --git a/packages/block/test/testdata/dfGrayGlacier/difficultyGrayGlacier.json b/packages/block/test/testdata/dfGrayGlacier/difficultyGrayGlacier.json
diff --git a/packages/block/test/testdata/dfGrayGlacier/difficultyGrayGlacierForkBlock.json b/packages/block/test/testdata/dfGrayGlacier/difficultyGrayGlacierForkBlock.json
diff --git a/packages/block/test/testdata/dfGrayGlacier/difficultyGrayGlacierMinus1.json b/packages/block/test/testdata/dfGrayGlacier/difficultyGrayGlacierMinus1.json
diff --git a/packages/block/test/testdata/dfGrayGlacier/difficultyGrayGlacierTimeDiff1.json b/packages/block/test/testdata/dfGrayGlacier/difficultyGrayGlacierTimeDiff1.json
diff --git a/packages/block/test/testdata/dfGrayGlacier/difficultyGrayGlacierTimeDiff2.json b/packages/block/test/testdata/dfGrayGlacier/difficultyGrayGlacierTimeDiff2.json
diff --git a/packages/common/src/chains/mainnet.json b/packages/common/src/chains/mainnet.json
@@ -82,6 +82,11 @@
       "block": 13773000,
       "forkHash": "0x20c327fc"
     },
+    {
+      "name": "grayGlacier",
+      "block": 15050000,
+      "forkHash": "0xf0afd0e3"
+    },
     {
       "name": "mergeForkIdTransition",
       "block": null,

diff --git a/packages/common/src/eips/5133.json b/packages/common/src/eips/5133.json
@@ -0,0 +1,17 @@
+{
+  "name": "EIP-5133",
+  "number": 5133,
+  "comment": "Delaying Difficulty Bomb to mid-September 2022",
+  "url": "https://eips.ethereum.org/EIPS/eip-5133",
+  "status": "Draft",
+  "minimumHardfork": "grayGlacier",
+  "gasConfig": {},
+  "gasPrices": {},
+  "vm": {},
+  "pow": {
+    "difficultyBombDelay": {
+      "v": 11400000,
+      "d": "the amount of blocks to delay the difficulty bomb with"
+    }
+  }
+}
diff --git a/packages/common/src/eips/index.ts b/packages/common/src/eips/index.ts
@@ -21,4 +21,5 @@ export const EIPs: { [key: number]: any } = {
   3860: require('./3860.json'),
   4345: require('./4345.json'),
   4399: require('./4399.json'),
+  5133: require('./5133.json'),
 }
diff --git a/packages/common/src/enums.ts b/packages/common/src/enums.ts
@@ -21,9 +21,10 @@ export enum Hardfork {
   Berlin = 'berlin',
   London = 'london',
   ArrowGlacier = 'arrowGlacier',
-  Shanghai = 'shanghai',
+  GrayGlacier = 'grayGlacier',
   MergeForkIdTransition = 'mergeForkIdTransition',
   Merge = 'merge',
+  Shanghai = 'shanghai',
 }
 
 export enum ConsensusType {

diff --git a/packages/common/src/hardforks/grayGlacier.json b/packages/common/src/hardforks/grayGlacier.json
@@ -0,0 +1,11 @@
+{
+    "name": "grayGlacier",
+    "comment": "Delaying the difficulty bomb to Mid September 2022",
+    "url": "https://github.com/ethereum/execution-specs/blob/master/network-upgrades/mainnet-upgrades/gray-glacier.md",
+    "status": "Draft",
+    "eips": [5133],
+    "gasConfig": {},
+    "gasPrices": {},
+    "vm": {},
+    "pow": {}
+}
diff --git a/packages/common/src/hardforks/index.ts b/packages/common/src/hardforks/index.ts
@@ -13,6 +13,7 @@ export const hardforks = [
   ['london', require('./london.json')],
   ['shanghai', require('./shanghai.json')],
   ['arrowGlacier', require('./arrowGlacier.json')],
+  ['grayGlacier', require('./grayGlacier.json')],
   ['mergeForkIdTransition', require('./mergeForkIdTransition.json')],
   ['merge', require('./merge.json')],
 ]
diff --git a/packages/common/tests/hardforks.spec.ts b/packages/common/tests/hardforks.spec.ts
@@ -16,6 +16,7 @@ tape('[Common]: Hardfork logic', function (t: tape.Test) {
       Hardfork.Berlin,
       Hardfork.London,
       Hardfork.ArrowGlacier,
+      Hardfork.GrayGlacier,
       Hardfork.Shanghai,
       Hardfork.Merge,
     ]
@@ -41,8 +42,8 @@ tape('[Common]: Hardfork logic', function (t: tape.Test) {
     st.equal(c.getHardforkByBlockNumber(12244000), Hardfork.Berlin, msg)
     st.equal(c.getHardforkByBlockNumber(12965000), Hardfork.London, msg)
     st.equal(c.getHardforkByBlockNumber(13773000), Hardfork.ArrowGlacier, msg)
-    st.equal(c.getHardforkByBlockNumber(999999999999), Hardfork.ArrowGlacier, msg)
-
+    st.equal(c.getHardforkByBlockNumber(15050000), Hardfork.GrayGlacier, msg)
+    st.equal(c.getHardforkByBlockNumber(999999999999), Hardfork.GrayGlacier, msg)
     msg = 'should set HF correctly'
 
     st.equal(c.setHardforkByBlockNumber(0), Hardfork.Chainstart, msg)
@@ -52,7 +53,8 @@ tape('[Common]: Hardfork logic', function (t: tape.Test) {
     st.equal(c.setHardforkByBlockNumber(12244000), Hardfork.Berlin, msg)
     st.equal(c.setHardforkByBlockNumber(12965000), Hardfork.London, msg)
     st.equal(c.setHardforkByBlockNumber(13773000), Hardfork.ArrowGlacier, msg)
-    st.equal(c.setHardforkByBlockNumber(999999999999), Hardfork.ArrowGlacier, msg)
+    st.equal(c.setHardforkByBlockNumber(15050000), Hardfork.GrayGlacier, msg)
+    st.equal(c.setHardforkByBlockNumber(999999999999), Hardfork.GrayGlacier, msg)
 
     c = new Common({ chain: Chain.Ropsten })
     st.equal(c.setHardforkByBlockNumber(0), 'tangerineWhistle', msg)

diff --git a/packages/evm/src/evm.ts b/packages/evm/src/evm.ts
@@ -74,6 +74,7 @@ export interface EVMOpts {
    * - [EIP-3855](https://eips.ethereum.org/EIPS/eip-3855) - PUSH0 instruction (`experimental`)
    * - [EIP-3860](https://eips.ethereum.org/EIPS/eip-3860) - Limit and meter initcode (`experimental`)
    * - [EIP-4399](https://eips.ethereum.org/EIPS/eip-4399) - Supplant DIFFICULTY opcode with PREVRANDAO (Merge) (`experimental`)
+   * - [EIP-5133](https://eips.ethereum.org/EIPS/eip-5133) - Delaying Difficulty Bomb to mid-September 2022
    *
    * *Annotations:*
    *
@@ -233,7 +234,7 @@ export default class EVM extends AsyncEventEmitter<EVMEvents> implements EVMInte
     // Supported EIPs
     const supportedEIPs = [
       1153, 1559, 2315, 2537, 2565, 2718, 2929, 2930, 3074, 3198, 3529, 3540, 3541, 3607, 3651,
-      3670, 3855, 3860, 4399,
+      3670, 3855, 3860, 4399, 5133,
     ]
 
     for (const eip of this._common.eips()) {
@@ -242,6 +243,30 @@ export default class EVM extends AsyncEventEmitter<EVMEvents> implements EVMInte
       }
     }
 
+    const supportedHardforks = [
+      Hardfork.Chainstart,
+      Hardfork.Homestead,
+      Hardfork.Dao,
+      Hardfork.TangerineWhistle,
+      Hardfork.SpuriousDragon,
+      Hardfork.Byzantium,
+      Hardfork.Constantinople,
+      Hardfork.Petersburg,
+      Hardfork.Istanbul,
+      Hardfork.MuirGlacier,
+      Hardfork.Berlin,
+      Hardfork.London,
+      Hardfork.ArrowGlacier,
+      Hardfork.GrayGlacier,
+      Hardfork.MergeForkIdTransition,
+      Hardfork.Merge,
+    ]
+    if (!supportedHardforks.includes(this._common.hardfork() as Hardfork)) {
+      throw new Error(
+        `Hardfork ${this._common.hardfork()} not set as supported in supportedHardforks`
+      )
+    }
+
     this._allowUnlimitedContractSize = opts.allowUnlimitedContractSize ?? false
     this._customOpcodes = opts.customOpcodes
     this._customPrecompiles = opts.customPrecompiles

diff --git a/packages/vm/src/types.ts b/packages/vm/src/types.ts
@@ -69,30 +69,8 @@ export interface VMOpts {
    * - `hardfork`: `mainnet` hardforks up to the `London` hardfork
    * - `eips`: `2537` (usage e.g. `eips: [ 2537, ]`)
    *
-   * ### Supported EIPs
-   *
-   * - [EIP-1153](https://eips.ethereum.org/EIPS/eip-1153) - Transient Storage Opcodes (`experimental`)
-   * - [EIP-1559](https://eips.ethereum.org/EIPS/eip-1559) - EIP-1559 Fee Market
-   * - [EIP-2315](https://eips.ethereum.org/EIPS/eip-2315) - VM simple subroutines (`experimental`)
-   * - [EIP-2537](https://eips.ethereum.org/EIPS/eip-2537) - BLS12-381 precompiles (`experimental`)
-   * - [EIP-2565](https://eips.ethereum.org/EIPS/eip-2565) - ModExp Gas Cost
-   * - [EIP-2718](https://eips.ethereum.org/EIPS/eip-2718) - Typed Transactions
-   * - [EIP-2929](https://eips.ethereum.org/EIPS/eip-2929) - Gas cost increases for state access opcodes
-   * - [EIP-2930](https://eips.ethereum.org/EIPS/eip-2930) - Access List Transaction Type
-   * - [EIP-3074](https://eips.ethereum.org/EIPS/eip-3074) - AUTH and AUTHCALL opcodes
-   * - [EIP-3198](https://eips.ethereum.org/EIPS/eip-3198) - BASEFEE opcode
-   * - [EIP-3529](https://eips.ethereum.org/EIPS/eip-3529) - Reduction in refunds
-   * - [EIP-3540](https://eips.ethereum.org/EIPS/eip-3541) - EVM Object Format (EOF) v1 (`experimental`)
-   * - [EIP-3541](https://eips.ethereum.org/EIPS/eip-3541) - Reject new contracts starting with the 0xEF byte
-   *   [EIP-3651](https://eips.ethereum.org/EIPS/eip-3651) - Warm COINBASE (`experimental`)
-   * - [EIP-3670](https://eips.ethereum.org/EIPS/eip-3670) - EOF - Code Validation (`experimental`)
-   * - [EIP-3855](https://eips.ethereum.org/EIPS/eip-3855) - PUSH0 instruction (`experimental`)
-   * - [EIP-3860](https://eips.ethereum.org/EIPS/eip-3860) - Limit and meter initcode (`experimental`)
-   * - [EIP-4399](https://eips.ethereum.org/EIPS/eip-4399) - Supplant DIFFICULTY opcode with PREVRANDAO (Merge) (`experimental`)
-   *
-   * *Annotations:*
-   *
-   * - `experimental`: behaviour can change on patch versions
+   * Note: check the associated `@ethereumjs/evm` instance options
+   * documentation for supported EIPs.
    *
    * ### Default Setup
    *

diff --git a/packages/vm/src/vm.ts b/packages/vm/src/vm.ts
@@ -1,6 +1,6 @@
 import { Account, Address, toType, TypeOutput } from '@ethereumjs/util'
 import Blockchain from '@ethereumjs/blockchain'
-import Common, { Chain, Hardfork } from '@ethereumjs/common'
+import Common, { Chain } from '@ethereumjs/common'
 import { StateManager, DefaultStateManager } from '@ethereumjs/statemanager'
 import { default as runTx } from './runTx'
 import { default as runBlock } from './runBlock'
@@ -86,45 +86,12 @@ export class VM extends AsyncEventEmitter<VMEvents> {
     this._opts = opts
 
     if (opts.common) {
-      // Supported EIPs
-      const supportedEIPs = [
-        1153, 1559, 2315, 2537, 2565, 2718, 2929, 2930, 3074, 3198, 3529, 3540, 3541, 3607, 3651,
-        3670, 3855, 3860, 4399,
-      ]
-      for (const eip of opts.common.eips()) {
-        if (!supportedEIPs.includes(eip)) {
-          throw new Error(`EIP-${eip} is not supported by the VM`)
-        }
-      }
       this._common = opts.common
     } else {
       const DEFAULT_CHAIN = Chain.Mainnet
       this._common = new Common({ chain: DEFAULT_CHAIN })
     }
 
-    const supportedHardforks = [
-      Hardfork.Chainstart,
-      Hardfork.Homestead,
-      Hardfork.Dao,
-      Hardfork.TangerineWhistle,
-      Hardfork.SpuriousDragon,
-      Hardfork.Byzantium,
-      Hardfork.Constantinople,
-      Hardfork.Petersburg,
-      Hardfork.Istanbul,
-      Hardfork.MuirGlacier,
-      Hardfork.Berlin,
-      Hardfork.London,
-      Hardfork.ArrowGlacier,
-      Hardfork.MergeForkIdTransition,
-      Hardfork.Merge,
-    ]
-    if (!supportedHardforks.includes(this._common.hardfork() as Hardfork)) {
-      throw new Error(
-        `Hardfork ${this._common.hardfork()} not set as supported in supportedHardforks`
-      )
-    }
-
     if (opts.stateManager) {
       this.stateManager = opts.stateManager
     } else {