Add Holesky testnet (#2982)

* genesis/common: add Holesky testnet [no ci] * common/blockchain: ensure holesky gets imported * blockchain: remove it.only * common: remove stale comment
ethereumjs · Aug 23, 2023 · 5f96687 · 5f96687
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diff --git a/packages/blockchain/test/index.spec.ts b/packages/blockchain/test/index.spec.ts
@@ -40,6 +40,18 @@ describe('blockchain test', () => {
     )
   })
 
+  it('should initialize holesky correctly', async () => {
+    // Taken from: https://github.com/eth-clients/holesky/blob/36e4ff2d5138dcb2eb614f0f60fdb060b2adc1e2/README.md#metadata
+    const holeskyHash = '0xff9006519a8ce843ac9c28549d24211420b546e12ce2d170c77a8cca7964f23d'
+    const common = new Common({ chain: Chain.Holesky })
+    const blockchain = await Blockchain.create({
+      common,
+    })
+    const genesisHash = blockchain.genesisBlock.hash()
+
+    assert.deepEqual(bytesToHex(genesisHash), holeskyHash, 'correct genesis hash for holesky')
+  })
+
   it('should initialize correctly with Blockchain.fromBlocksData()', async () => {
     const common = new Common({ chain: Chain.Mainnet, hardfork: Hardfork.Chainstart })
     const blockchain = await Blockchain.fromBlocksData(blocksData, {

diff --git a/packages/common/src/chains.ts b/packages/common/src/chains.ts
@@ -448,4 +448,120 @@ export const chains: ChainsDict = {
       'enrtree://AKA3AM6LPBYEUDMVNU3BSVQJ5AD45Y7YPOHJLEF6W26QOE4VTUDPE@all.sepolia.ethdisco.net',
     ],
   },
+  holesky: {
+    name: 'holesky',
+    chainId: 17000,
+    networkId: 17000,
+    defaultHardfork: 'paris',
+    consensus: {
+      type: 'pos',
+      algorithm: 'casper',
+    },
+    comment: 'PoS test network to replace Goerli',
+    url: 'https://github.com/eth-clients/holesky/',
+    genesis: {
+      baseFeePerGas: '0x3B9ACA00',
+      difficulty: '0x01',
+      extraData: '0x686f77206d7563682069732074686520666973683f',
+      gasLimit: '0x17D7840',
+      nonce: '0x0000000000001234',
+      timestamp: '0x65046234',
+    },
+    hardforks: [
+      {
+        name: 'chainstart',
+        block: 0,
+        forkHash: '0x01d65a8c',
+      },
+      {
+        name: 'homestead',
+        block: 0,
+        forkHash: '0x01d65a8c',
+      },
+      {
+        name: 'tangerineWhistle',
+        block: 0,
+        forkHash: '0x01d65a8c',
+      },
+      {
+        name: 'spuriousDragon',
+        block: 0,
+        forkHash: '0x01d65a8c',
+      },
+      {
+        name: 'byzantium',
+        block: 0,
+        forkHash: '0x01d65a8c',
+      },
+      {
+        name: 'constantinople',
+        block: 0,
+        forkHash: '0x01d65a8c',
+      },
+      {
+        name: 'petersburg',
+        block: 0,
+        forkHash: '0x01d65a8c',
+      },
+      {
+        name: 'istanbul',
+        block: 0,
+        forkHash: '0x01d65a8c',
+      },
+      {
+        name: 'muirGlacier',
+        block: 0,
+        forkHash: '0x01d65a8c',
+      },
+      {
+        name: 'berlin',
+        block: 0,
+        forkHash: '0x01d65a8c',
+      },
+      {
+        name: 'london',
+        block: 0,
+        forkHash: '0x01d65a8c',
+      },
+      {
+        name: 'paris',
+        ttd: '0',
+        block: 0,
+        forkHash: '0x01d65a8c',
+      },
+      {
+        name: 'mergeForkIdTransition',
+        block: 0,
+        forkHash: '0x01d65a8c',
+      },
+      {
+        name: 'shanghai',
+        block: null,
+        timestamp: '1694790240',
+        forkHash: '0x445efa46',
+      },
+      {
+        name: 'cancun',
+        block: null,
+        timestamp: '2000000000',
+        forkHash: '0x104c16da',
+      },
+    ],
+    bootstrapNodes: [
+      {
+        ip: '146.190.13.128',
+        port: 30303,
+        id: 'ac906289e4b7f12df423d654c5a962b6ebe5b3a74cc9e06292a85221f9a64a6f1cfdd6b714ed6dacef51578f92b34c60ee91e9ede9c7f8fadc4d347326d95e2b',
+        location: '',
+        comment: 'bootnode 1',
+      },
+      {
+        ip: '178.128.136.233',
+        port: 30303,
+        id: 'a3435a0155a3e837c02f5e7f5662a2f1fbc25b48e4dc232016e1c51b544cb5b4510ef633ea3278c0e970fa8ad8141e2d4d0f9f95456c537ff05fdf9b31c15072',
+        location: '',
+        comment: 'bootnode 2',
+      },
+    ],
+  },
 }
diff --git a/packages/common/src/enums.ts b/packages/common/src/enums.ts
@@ -4,6 +4,7 @@ export enum Chain {
   Mainnet = 1,
   Goerli = 5,
   Sepolia = 11155111,
+  Holesky = 17000,
 }
 
 /**
@@ -33,6 +34,10 @@ export const ChainGenesis: Record<Chain, GenesisState> = {
     blockNumber: BigInt(0),
     stateRoot: hexToBytes('0x5eb6e371a698b8d68f665192350ffcecbbbf322916f4b51bd79bb6887da3f494'),
   },
+  [Chain.Holesky]: {
+    blockNumber: BigInt(0),
+    stateRoot: hexToBytes('0x69d8c9d72f6fa4ad42d4702b433707212f90db395eb54dc20bc85de253788783'),
+  },
 }
 
 export enum Hardfork {